cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1 | /* |
| 2 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3 | % % |
| 4 | % % |
| 5 | % % |
| 6 | % TTTTT RRRR AAA N N SSSSS FFFFF OOO RRRR M M % |
| 7 | % T R R A A NN N SS F O O R R MM MM % |
| 8 | % T RRRR AAAAA N N N SSS FFF O O RRRR M M M % |
| 9 | % T R R A A N NN SS F O O R R M M % |
| 10 | % T R R A A N N SSSSS F OOO R R M M % |
| 11 | % % |
| 12 | % % |
| 13 | % MagickCore Image Transform Methods % |
| 14 | % % |
| 15 | % Software Design % |
| 16 | % John Cristy % |
| 17 | % July 1992 % |
| 18 | % % |
| 19 | % % |
cristy | 45ef08f | 2012-12-07 13:13:34 +0000 | [diff] [blame] | 20 | % Copyright 1999-2013 ImageMagick Studio LLC, a non-profit organization % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 21 | % dedicated to making software imaging solutions freely available. % |
| 22 | % % |
| 23 | % You may not use this file except in compliance with the License. You may % |
| 24 | % obtain a copy of the License at % |
| 25 | % % |
| 26 | % http://www.imagemagick.org/script/license.php % |
| 27 | % % |
| 28 | % Unless required by applicable law or agreed to in writing, software % |
| 29 | % distributed under the License is distributed on an "AS IS" BASIS, % |
| 30 | % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % |
| 31 | % See the License for the specific language governing permissions and % |
| 32 | % limitations under the License. % |
| 33 | % % |
| 34 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 35 | % |
| 36 | % |
| 37 | */ |
| 38 | |
| 39 | /* |
| 40 | Include declarations. |
| 41 | */ |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 42 | #include "MagickCore/studio.h" |
| 43 | #include "MagickCore/attribute.h" |
| 44 | #include "MagickCore/cache.h" |
| 45 | #include "MagickCore/cache-view.h" |
| 46 | #include "MagickCore/color.h" |
| 47 | #include "MagickCore/color-private.h" |
| 48 | #include "MagickCore/colorspace-private.h" |
| 49 | #include "MagickCore/composite.h" |
cristy | fa5f6c7 | 2013-01-01 14:37:35 +0000 | [diff] [blame] | 50 | #include "MagickCore/distort.h" |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 51 | #include "MagickCore/draw.h" |
| 52 | #include "MagickCore/effect.h" |
| 53 | #include "MagickCore/exception.h" |
| 54 | #include "MagickCore/exception-private.h" |
| 55 | #include "MagickCore/geometry.h" |
| 56 | #include "MagickCore/image.h" |
| 57 | #include "MagickCore/memory_.h" |
| 58 | #include "MagickCore/layer.h" |
| 59 | #include "MagickCore/list.h" |
| 60 | #include "MagickCore/monitor.h" |
| 61 | #include "MagickCore/monitor-private.h" |
| 62 | #include "MagickCore/pixel-accessor.h" |
| 63 | #include "MagickCore/resource_.h" |
| 64 | #include "MagickCore/resize.h" |
| 65 | #include "MagickCore/statistic.h" |
| 66 | #include "MagickCore/string_.h" |
| 67 | #include "MagickCore/thread-private.h" |
| 68 | #include "MagickCore/transform.h" |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 69 | |
| 70 | /* |
| 71 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 72 | % % |
| 73 | % % |
| 74 | % % |
cristy | fa5f6c7 | 2013-01-01 14:37:35 +0000 | [diff] [blame] | 75 | % A u t o O r i e n t I m a g e % |
| 76 | % % |
| 77 | % % |
| 78 | % % |
| 79 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 80 | % |
| 81 | % AutoOrientImage() adjusts an image so that its orientation is suitable for |
| 82 | % viewing (i.e. top-left orientation). |
| 83 | % |
| 84 | % The format of the AutoOrientImage method is: |
| 85 | % |
| 86 | % Image *AutoOrientImage(const Image *image, |
| 87 | % const OrientationType orientation,ExceptionInfo *exception) |
| 88 | % |
| 89 | % A description of each parameter follows: |
| 90 | % |
| 91 | % o image: The image. |
| 92 | % |
| 93 | % o orientation: Current image orientation. |
| 94 | % |
| 95 | % o exception: Return any errors or warnings in this structure. |
| 96 | % |
| 97 | */ |
| 98 | MagickExport Image *AutoOrientImage(const Image *image, |
| 99 | const OrientationType orientation,ExceptionInfo *exception) |
| 100 | { |
| 101 | Image |
| 102 | *orient_image; |
| 103 | |
| 104 | assert(image != (const Image *) NULL); |
| 105 | assert(image->signature == MagickSignature); |
| 106 | assert(exception != (ExceptionInfo *) NULL); |
| 107 | assert(exception->signature == MagickSignature); |
| 108 | orient_image=(Image *) NULL; |
| 109 | switch(orientation) |
| 110 | { |
| 111 | case UndefinedOrientation: |
| 112 | case TopLeftOrientation: |
| 113 | default: |
| 114 | { |
| 115 | orient_image=CloneImage(image,0,0,MagickTrue,exception); |
| 116 | break; |
| 117 | } |
| 118 | case TopRightOrientation: |
| 119 | { |
| 120 | orient_image=FlopImage(image,exception); |
| 121 | break; |
| 122 | } |
| 123 | case BottomRightOrientation: |
| 124 | { |
| 125 | orient_image=RotateImage(image,180.0,exception); |
| 126 | break; |
| 127 | } |
| 128 | case BottomLeftOrientation: |
| 129 | { |
| 130 | orient_image=FlipImage(image,exception); |
| 131 | break; |
| 132 | } |
| 133 | case LeftTopOrientation: |
| 134 | { |
| 135 | orient_image=TransposeImage(image,exception); |
| 136 | break; |
| 137 | } |
| 138 | case RightTopOrientation: |
| 139 | { |
| 140 | orient_image=RotateImage(image,90.0,exception); |
| 141 | break; |
| 142 | } |
| 143 | case RightBottomOrientation: |
| 144 | { |
| 145 | orient_image=TransverseImage(image,exception); |
| 146 | break; |
| 147 | } |
| 148 | case LeftBottomOrientation: |
| 149 | { |
| 150 | orient_image=RotateImage(image,270.0,exception); |
| 151 | break; |
| 152 | } |
| 153 | } |
| 154 | if (orient_image != (Image *) NULL) |
| 155 | orient_image->orientation=TopLeftOrientation; |
| 156 | return(orient_image); |
| 157 | } |
| 158 | |
| 159 | /* |
| 160 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 161 | % % |
| 162 | % % |
| 163 | % % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 164 | % C h o p I m a g e % |
| 165 | % % |
| 166 | % % |
| 167 | % % |
| 168 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 169 | % |
cristy | 00f9537 | 2010-02-13 16:39:29 +0000 | [diff] [blame] | 170 | % ChopImage() removes a region of an image and collapses the image to occupy |
| 171 | % the removed portion. |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 172 | % |
| 173 | % The format of the ChopImage method is: |
| 174 | % |
| 175 | % Image *ChopImage(const Image *image,const RectangleInfo *chop_info) |
| 176 | % ExceptionInfo *exception) |
| 177 | % |
| 178 | % A description of each parameter follows: |
| 179 | % |
| 180 | % o image: the image. |
| 181 | % |
| 182 | % o chop_info: Define the region of the image to chop. |
| 183 | % |
| 184 | % o exception: return any errors or warnings in this structure. |
| 185 | % |
| 186 | */ |
| 187 | MagickExport Image *ChopImage(const Image *image,const RectangleInfo *chop_info, |
| 188 | ExceptionInfo *exception) |
| 189 | { |
| 190 | #define ChopImageTag "Chop/Image" |
| 191 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 192 | CacheView |
| 193 | *chop_view, |
| 194 | *image_view; |
| 195 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 196 | Image |
| 197 | *chop_image; |
| 198 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 199 | MagickBooleanType |
cristy | 00f9537 | 2010-02-13 16:39:29 +0000 | [diff] [blame] | 200 | status; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 201 | |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 202 | MagickOffsetType |
| 203 | progress; |
| 204 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 205 | RectangleInfo |
| 206 | extent; |
| 207 | |
cristy | 9d314ff | 2011-03-09 01:30:28 +0000 | [diff] [blame] | 208 | ssize_t |
| 209 | y; |
| 210 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 211 | /* |
| 212 | Check chop geometry. |
| 213 | */ |
| 214 | assert(image != (const Image *) NULL); |
| 215 | assert(image->signature == MagickSignature); |
| 216 | if (image->debug != MagickFalse) |
| 217 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 218 | assert(exception != (ExceptionInfo *) NULL); |
| 219 | assert(exception->signature == MagickSignature); |
| 220 | assert(chop_info != (RectangleInfo *) NULL); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 221 | if (((chop_info->x+(ssize_t) chop_info->width) < 0) || |
| 222 | ((chop_info->y+(ssize_t) chop_info->height) < 0) || |
| 223 | (chop_info->x > (ssize_t) image->columns) || |
| 224 | (chop_info->y > (ssize_t) image->rows)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 225 | ThrowImageException(OptionWarning,"GeometryDoesNotContainImage"); |
| 226 | extent=(*chop_info); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 227 | if ((extent.x+(ssize_t) extent.width) > (ssize_t) image->columns) |
| 228 | extent.width=(size_t) ((ssize_t) image->columns-extent.x); |
| 229 | if ((extent.y+(ssize_t) extent.height) > (ssize_t) image->rows) |
| 230 | extent.height=(size_t) ((ssize_t) image->rows-extent.y); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 231 | if (extent.x < 0) |
| 232 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 233 | extent.width-=(size_t) (-extent.x); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 234 | extent.x=0; |
| 235 | } |
| 236 | if (extent.y < 0) |
| 237 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 238 | extent.height-=(size_t) (-extent.y); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 239 | extent.y=0; |
| 240 | } |
| 241 | chop_image=CloneImage(image,image->columns-extent.width,image->rows- |
| 242 | extent.height,MagickTrue,exception); |
| 243 | if (chop_image == (Image *) NULL) |
| 244 | return((Image *) NULL); |
| 245 | /* |
| 246 | Extract chop image. |
| 247 | */ |
cristy | 00f9537 | 2010-02-13 16:39:29 +0000 | [diff] [blame] | 248 | status=MagickTrue; |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 249 | progress=0; |
cristy | 46ff267 | 2012-12-14 15:32:26 +0000 | [diff] [blame] | 250 | image_view=AcquireVirtualCacheView(image,exception); |
| 251 | chop_view=AcquireAuthenticCacheView(chop_image,exception); |
cristy | 26b6491 | 2012-12-16 18:20:09 +0000 | [diff] [blame] | 252 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | d643247 | 2013-01-06 16:56:13 +0000 | [diff] [blame] | 253 | #pragma omp parallel for schedule(static,4) shared(status) \ |
| 254 | magick_threads(image,chop_image,1,1) |
cristy | 09d8117 | 2010-10-21 16:15:05 +0000 | [diff] [blame] | 255 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 256 | for (y=0; y < (ssize_t) extent.y; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 257 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 258 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 259 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 260 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 261 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 262 | x; |
| 263 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 264 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 265 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 266 | |
cristy | 00f9537 | 2010-02-13 16:39:29 +0000 | [diff] [blame] | 267 | if (status == MagickFalse) |
| 268 | continue; |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 269 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
| 270 | q=QueueCacheViewAuthenticPixels(chop_view,0,y,chop_image->columns,1, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 271 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 272 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 00f9537 | 2010-02-13 16:39:29 +0000 | [diff] [blame] | 273 | { |
| 274 | status=MagickFalse; |
| 275 | continue; |
| 276 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 277 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 278 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 279 | if ((x < extent.x) || (x >= (ssize_t) (extent.x+extent.width))) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 280 | { |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 281 | register ssize_t |
| 282 | i; |
| 283 | |
| 284 | for (i=0; i < (ssize_t) GetPixelChannels(image); i++) |
| 285 | { |
cristy | 5a23c55 | 2013-02-13 14:34:28 +0000 | [diff] [blame] | 286 | PixelChannel channel=GetPixelChannelChannel(image,i); |
| 287 | PixelTrait traits=GetPixelChannelTraits(image,channel); |
| 288 | PixelTrait chop_traits=GetPixelChannelTraits(chop_image,channel); |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 289 | if ((traits == UndefinedPixelTrait) || |
| 290 | (chop_traits == UndefinedPixelTrait)) |
| 291 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 292 | SetPixelChannel(chop_image,channel,p[i],q); |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 293 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 294 | q+=GetPixelChannels(chop_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 295 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 296 | p+=GetPixelChannels(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 297 | } |
| 298 | if (SyncCacheViewAuthenticPixels(chop_view,exception) == MagickFalse) |
cristy | 00f9537 | 2010-02-13 16:39:29 +0000 | [diff] [blame] | 299 | status=MagickFalse; |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 300 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 301 | { |
| 302 | MagickBooleanType |
| 303 | proceed; |
| 304 | |
cristy | 26b6491 | 2012-12-16 18:20:09 +0000 | [diff] [blame] | 305 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | a5ab7ad | 2012-01-21 23:49:58 +0000 | [diff] [blame] | 306 | #pragma omp critical (MagickCore_ChopImage) |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 307 | #endif |
| 308 | proceed=SetImageProgress(image,ChopImageTag,progress++,image->rows); |
| 309 | if (proceed == MagickFalse) |
| 310 | status=MagickFalse; |
| 311 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 312 | } |
| 313 | /* |
| 314 | Extract chop image. |
| 315 | */ |
cristy | 26b6491 | 2012-12-16 18:20:09 +0000 | [diff] [blame] | 316 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | d643247 | 2013-01-06 16:56:13 +0000 | [diff] [blame] | 317 | #pragma omp parallel for schedule(static,4) shared(progress,status) \ |
| 318 | magick_threads(image,chop_image,1,1) |
cristy | 09d8117 | 2010-10-21 16:15:05 +0000 | [diff] [blame] | 319 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 320 | for (y=0; y < (ssize_t) (image->rows-(extent.y+extent.height)); y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 321 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 322 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 323 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 324 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 325 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 326 | x; |
| 327 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 328 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 329 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 330 | |
cristy | 00f9537 | 2010-02-13 16:39:29 +0000 | [diff] [blame] | 331 | if (status == MagickFalse) |
| 332 | continue; |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 333 | p=GetCacheViewVirtualPixels(image_view,0,extent.y+extent.height+y, |
| 334 | image->columns,1,exception); |
| 335 | q=QueueCacheViewAuthenticPixels(chop_view,0,extent.y+y,chop_image->columns, |
| 336 | 1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 337 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 00f9537 | 2010-02-13 16:39:29 +0000 | [diff] [blame] | 338 | { |
| 339 | status=MagickFalse; |
| 340 | continue; |
| 341 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 342 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 343 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 344 | if ((x < extent.x) || (x >= (ssize_t) (extent.x+extent.width))) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 345 | { |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 346 | register ssize_t |
| 347 | i; |
| 348 | |
| 349 | for (i=0; i < (ssize_t) GetPixelChannels(image); i++) |
| 350 | { |
cristy | 5a23c55 | 2013-02-13 14:34:28 +0000 | [diff] [blame] | 351 | PixelChannel channel=GetPixelChannelChannel(image,i); |
| 352 | PixelTrait traits=GetPixelChannelTraits(image,channel); |
| 353 | PixelTrait chop_traits=GetPixelChannelTraits(chop_image,channel); |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 354 | if ((traits == UndefinedPixelTrait) || |
| 355 | (chop_traits == UndefinedPixelTrait)) |
| 356 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 357 | SetPixelChannel(chop_image,channel,p[i],q); |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 358 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 359 | q+=GetPixelChannels(chop_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 360 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 361 | p+=GetPixelChannels(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 362 | } |
| 363 | if (SyncCacheViewAuthenticPixels(chop_view,exception) == MagickFalse) |
cristy | 00f9537 | 2010-02-13 16:39:29 +0000 | [diff] [blame] | 364 | status=MagickFalse; |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 365 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 366 | { |
| 367 | MagickBooleanType |
| 368 | proceed; |
| 369 | |
cristy | 26b6491 | 2012-12-16 18:20:09 +0000 | [diff] [blame] | 370 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | a5ab7ad | 2012-01-21 23:49:58 +0000 | [diff] [blame] | 371 | #pragma omp critical (MagickCore_ChopImage) |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 372 | #endif |
| 373 | proceed=SetImageProgress(image,ChopImageTag,progress++,image->rows); |
| 374 | if (proceed == MagickFalse) |
| 375 | status=MagickFalse; |
| 376 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 377 | } |
| 378 | chop_view=DestroyCacheView(chop_view); |
| 379 | image_view=DestroyCacheView(image_view); |
| 380 | chop_image->type=image->type; |
cristy | 1c2f48d | 2012-12-14 01:20:55 +0000 | [diff] [blame] | 381 | if (status == MagickFalse) |
| 382 | chop_image=DestroyImage(chop_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 383 | return(chop_image); |
| 384 | } |
| 385 | |
| 386 | /* |
| 387 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 388 | % % |
| 389 | % % |
| 390 | % % |
| 391 | + C o n s o l i d a t e C M Y K I m a g e % |
| 392 | % % |
| 393 | % % |
| 394 | % % |
| 395 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 396 | % |
| 397 | % ConsolidateCMYKImage() consolidates separate C, M, Y, and K planes into a |
| 398 | % single image. |
| 399 | % |
| 400 | % The format of the ConsolidateCMYKImage method is: |
| 401 | % |
| 402 | % Image *ConsolidateCMYKImage(const Image *image,ExceptionInfo *exception) |
| 403 | % |
| 404 | % A description of each parameter follows: |
| 405 | % |
| 406 | % o image: the image sequence. |
| 407 | % |
| 408 | % o exception: return any errors or warnings in this structure. |
| 409 | % |
| 410 | */ |
| 411 | MagickExport Image *ConsolidateCMYKImages(const Image *images, |
| 412 | ExceptionInfo *exception) |
| 413 | { |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 414 | CacheView |
| 415 | *cmyk_view, |
| 416 | *image_view; |
cristy | 2224dcd | 2010-11-15 00:49:30 +0000 | [diff] [blame] | 417 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 418 | Image |
| 419 | *cmyk_image, |
| 420 | *cmyk_images; |
| 421 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 422 | register ssize_t |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 423 | j; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 424 | |
cristy | 2224dcd | 2010-11-15 00:49:30 +0000 | [diff] [blame] | 425 | ssize_t |
| 426 | y; |
| 427 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 428 | /* |
| 429 | Consolidate separate C, M, Y, and K planes into a single image. |
| 430 | */ |
| 431 | assert(images != (Image *) NULL); |
| 432 | assert(images->signature == MagickSignature); |
| 433 | if (images->debug != MagickFalse) |
| 434 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename); |
| 435 | assert(exception != (ExceptionInfo *) NULL); |
| 436 | assert(exception->signature == MagickSignature); |
| 437 | cmyk_images=NewImageList(); |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 438 | for (j=0; j < (ssize_t) GetImageListLength(images); j+=4) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 439 | { |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 440 | register ssize_t |
| 441 | i; |
| 442 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 443 | cmyk_image=CloneImage(images,images->columns,images->rows,MagickTrue, |
| 444 | exception); |
| 445 | if (cmyk_image == (Image *) NULL) |
| 446 | break; |
cristy | 574cc26 | 2011-08-05 01:23:58 +0000 | [diff] [blame] | 447 | if (SetImageStorageClass(cmyk_image,DirectClass,exception) == MagickFalse) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 448 | break; |
cristy | 6324088 | 2011-08-05 19:05:27 +0000 | [diff] [blame] | 449 | (void) SetImageColorspace(cmyk_image,CMYKColorspace,exception); |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 450 | for (i=0; i < 4; i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 451 | { |
cristy | 46ff267 | 2012-12-14 15:32:26 +0000 | [diff] [blame] | 452 | image_view=AcquireVirtualCacheView(images,exception); |
| 453 | cmyk_view=AcquireAuthenticCacheView(cmyk_image,exception); |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 454 | for (y=0; y < (ssize_t) images->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 455 | { |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 456 | register const Quantum |
| 457 | *restrict p; |
| 458 | |
| 459 | register ssize_t |
| 460 | x; |
| 461 | |
| 462 | register Quantum |
| 463 | *restrict q; |
| 464 | |
| 465 | p=GetCacheViewVirtualPixels(image_view,0,y,images->columns,1,exception); |
| 466 | q=QueueCacheViewAuthenticPixels(cmyk_view,0,y,cmyk_image->columns,1, |
| 467 | exception); |
| 468 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
| 469 | break; |
| 470 | for (x=0; x < (ssize_t) images->columns; x++) |
| 471 | { |
| 472 | Quantum |
| 473 | pixel; |
| 474 | |
| 475 | pixel=QuantumRange-GetPixelIntensity(images,p); |
| 476 | switch (i) |
| 477 | { |
| 478 | case 0: SetPixelCyan(cmyk_image,pixel,q); break; |
| 479 | case 1: SetPixelMagenta(cmyk_image,pixel,q); break; |
| 480 | case 2: SetPixelYellow(cmyk_image,pixel,q); break; |
| 481 | case 3: SetPixelBlack(cmyk_image,pixel,q); break; |
| 482 | default: break; |
| 483 | } |
| 484 | p+=GetPixelChannels(images); |
| 485 | q+=GetPixelChannels(cmyk_image); |
| 486 | } |
| 487 | if (SyncCacheViewAuthenticPixels(cmyk_view,exception) == MagickFalse) |
| 488 | break; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 489 | } |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 490 | cmyk_view=DestroyCacheView(cmyk_view); |
| 491 | image_view=DestroyCacheView(image_view); |
| 492 | images=GetNextImageInList(images); |
| 493 | if (images == (Image *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 494 | break; |
| 495 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 496 | AppendImageToList(&cmyk_images,cmyk_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 497 | } |
| 498 | return(cmyk_images); |
| 499 | } |
| 500 | |
| 501 | /* |
| 502 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 503 | % % |
| 504 | % % |
| 505 | % % |
| 506 | % C r o p I m a g e % |
| 507 | % % |
| 508 | % % |
| 509 | % % |
| 510 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 511 | % |
| 512 | % CropImage() extracts a region of the image starting at the offset defined |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 513 | % by geometry. Region must be fully defined, and no special handling of |
| 514 | % geometry flags is performed. |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 515 | % |
| 516 | % The format of the CropImage method is: |
| 517 | % |
| 518 | % Image *CropImage(const Image *image,const RectangleInfo *geometry, |
| 519 | % ExceptionInfo *exception) |
| 520 | % |
| 521 | % A description of each parameter follows: |
| 522 | % |
| 523 | % o image: the image. |
| 524 | % |
| 525 | % o geometry: Define the region of the image to crop with members |
| 526 | % x, y, width, and height. |
| 527 | % |
| 528 | % o exception: return any errors or warnings in this structure. |
| 529 | % |
| 530 | */ |
| 531 | MagickExport Image *CropImage(const Image *image,const RectangleInfo *geometry, |
| 532 | ExceptionInfo *exception) |
| 533 | { |
| 534 | #define CropImageTag "Crop/Image" |
| 535 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 536 | CacheView |
| 537 | *crop_view, |
| 538 | *image_view; |
| 539 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 540 | Image |
| 541 | *crop_image; |
| 542 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 543 | MagickBooleanType |
| 544 | status; |
| 545 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 546 | MagickOffsetType |
| 547 | progress; |
| 548 | |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 549 | OffsetInfo |
| 550 | offset; |
| 551 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 552 | RectangleInfo |
| 553 | bounding_box, |
| 554 | page; |
| 555 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 556 | ssize_t |
| 557 | y; |
| 558 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 559 | /* |
| 560 | Check crop geometry. |
| 561 | */ |
| 562 | assert(image != (const Image *) NULL); |
| 563 | assert(image->signature == MagickSignature); |
| 564 | if (image->debug != MagickFalse) |
| 565 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 566 | assert(geometry != (const RectangleInfo *) NULL); |
| 567 | assert(exception != (ExceptionInfo *) NULL); |
| 568 | assert(exception->signature == MagickSignature); |
| 569 | bounding_box=image->page; |
| 570 | if ((bounding_box.width == 0) || (bounding_box.height == 0)) |
| 571 | { |
| 572 | bounding_box.width=image->columns; |
| 573 | bounding_box.height=image->rows; |
| 574 | } |
| 575 | page=(*geometry); |
| 576 | if (page.width == 0) |
| 577 | page.width=bounding_box.width; |
| 578 | if (page.height == 0) |
| 579 | page.height=bounding_box.height; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 580 | if (((bounding_box.x-page.x) >= (ssize_t) page.width) || |
| 581 | ((bounding_box.y-page.y) >= (ssize_t) page.height) || |
| 582 | ((page.x-bounding_box.x) > (ssize_t) image->columns) || |
| 583 | ((page.y-bounding_box.y) > (ssize_t) image->rows)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 584 | { |
| 585 | /* |
| 586 | Crop is not within virtual canvas, return 1 pixel transparent image. |
| 587 | */ |
| 588 | (void) ThrowMagickException(exception,GetMagickModule(),OptionWarning, |
cristy | efe601c | 2013-01-05 17:51:12 +0000 | [diff] [blame] | 589 | "GeometryDoesNotContainImage","`%s'",image->filename); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 590 | crop_image=CloneImage(image,1,1,MagickTrue,exception); |
| 591 | if (crop_image == (Image *) NULL) |
| 592 | return((Image *) NULL); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 593 | crop_image->background_color.alpha=(Quantum) TransparentAlpha; |
cristy | 6d94a30 | 2013-03-01 00:47:47 +0000 | [diff] [blame] | 594 | crop_image->alpha_trait=BlendPixelTrait; |
cristy | ea1a8aa | 2011-10-20 13:24:06 +0000 | [diff] [blame] | 595 | (void) SetImageBackgroundColor(crop_image,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 596 | crop_image->page=bounding_box; |
| 597 | crop_image->page.x=(-1); |
| 598 | crop_image->page.y=(-1); |
| 599 | if (crop_image->dispose == BackgroundDispose) |
| 600 | crop_image->dispose=NoneDispose; |
| 601 | return(crop_image); |
| 602 | } |
| 603 | if ((page.x < 0) && (bounding_box.x >= 0)) |
| 604 | { |
| 605 | page.width+=page.x-bounding_box.x; |
| 606 | page.x=0; |
| 607 | } |
| 608 | else |
| 609 | { |
| 610 | page.width-=bounding_box.x-page.x; |
| 611 | page.x-=bounding_box.x; |
| 612 | if (page.x < 0) |
| 613 | page.x=0; |
| 614 | } |
| 615 | if ((page.y < 0) && (bounding_box.y >= 0)) |
| 616 | { |
| 617 | page.height+=page.y-bounding_box.y; |
| 618 | page.y=0; |
| 619 | } |
| 620 | else |
| 621 | { |
| 622 | page.height-=bounding_box.y-page.y; |
| 623 | page.y-=bounding_box.y; |
| 624 | if (page.y < 0) |
| 625 | page.y=0; |
| 626 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 627 | if ((size_t) (page.x+page.width) > image->columns) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 628 | page.width=image->columns-page.x; |
cristy | 1e4aa46 | 2010-02-15 00:04:18 +0000 | [diff] [blame] | 629 | if ((geometry->width != 0) && (page.width > geometry->width)) |
| 630 | page.width=geometry->width; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 631 | if ((size_t) (page.y+page.height) > image->rows) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 632 | page.height=image->rows-page.y; |
cristy | 1e4aa46 | 2010-02-15 00:04:18 +0000 | [diff] [blame] | 633 | if ((geometry->height != 0) && (page.height > geometry->height)) |
| 634 | page.height=geometry->height; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 635 | bounding_box.x+=page.x; |
| 636 | bounding_box.y+=page.y; |
| 637 | if ((page.width == 0) || (page.height == 0)) |
| 638 | { |
| 639 | (void) ThrowMagickException(exception,GetMagickModule(),OptionWarning, |
cristy | efe601c | 2013-01-05 17:51:12 +0000 | [diff] [blame] | 640 | "GeometryDoesNotContainImage","`%s'",image->filename); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 641 | return((Image *) NULL); |
| 642 | } |
| 643 | /* |
| 644 | Initialize crop image attributes. |
| 645 | */ |
| 646 | crop_image=CloneImage(image,page.width,page.height,MagickTrue,exception); |
| 647 | if (crop_image == (Image *) NULL) |
| 648 | return((Image *) NULL); |
| 649 | crop_image->page.width=image->page.width; |
| 650 | crop_image->page.height=image->page.height; |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 651 | offset.x=(ssize_t) (bounding_box.x+bounding_box.width); |
| 652 | offset.y=(ssize_t) (bounding_box.y+bounding_box.height); |
| 653 | if ((offset.x > (ssize_t) image->page.width) || |
| 654 | (offset.y > (ssize_t) image->page.height)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 655 | { |
| 656 | crop_image->page.width=bounding_box.width; |
| 657 | crop_image->page.height=bounding_box.height; |
| 658 | } |
| 659 | crop_image->page.x=bounding_box.x; |
| 660 | crop_image->page.y=bounding_box.y; |
| 661 | /* |
| 662 | Crop image. |
| 663 | */ |
| 664 | status=MagickTrue; |
| 665 | progress=0; |
cristy | 46ff267 | 2012-12-14 15:32:26 +0000 | [diff] [blame] | 666 | image_view=AcquireVirtualCacheView(image,exception); |
| 667 | crop_view=AcquireAuthenticCacheView(crop_image,exception); |
cristy | 2224dcd | 2010-11-15 00:49:30 +0000 | [diff] [blame] | 668 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | d643247 | 2013-01-06 16:56:13 +0000 | [diff] [blame] | 669 | #pragma omp parallel for schedule(static,4) shared(status) \ |
| 670 | magick_threads(image,crop_image,1,1) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 671 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 672 | for (y=0; y < (ssize_t) crop_image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 673 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 674 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 675 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 676 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 677 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 678 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 679 | |
cristy | 5ce8df8 | 2011-07-07 14:52:23 +0000 | [diff] [blame] | 680 | register ssize_t |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 681 | x; |
| 682 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 683 | if (status == MagickFalse) |
| 684 | continue; |
| 685 | p=GetCacheViewVirtualPixels(image_view,page.x,page.y+y,crop_image->columns, |
| 686 | 1,exception); |
| 687 | q=QueueCacheViewAuthenticPixels(crop_view,0,y,crop_image->columns,1, |
| 688 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 689 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 690 | { |
| 691 | status=MagickFalse; |
| 692 | continue; |
| 693 | } |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 694 | for (x=0; x < (ssize_t) crop_image->columns; x++) |
| 695 | { |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 696 | register ssize_t |
| 697 | i; |
| 698 | |
cristy | 883fde1 | 2013-04-08 00:50:13 +0000 | [diff] [blame] | 699 | if (GetPixelReadMask(image,p) == 0) |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 700 | { |
cristy | c3a5802 | 2013-10-09 23:22:42 +0000 | [diff] [blame^] | 701 | SetPixelBackgoundColor(crop_image,q); |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 702 | p+=GetPixelChannels(image); |
| 703 | q+=GetPixelChannels(crop_image); |
| 704 | continue; |
| 705 | } |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 706 | for (i=0; i < (ssize_t) GetPixelChannels(image); i++) |
| 707 | { |
cristy | 5a23c55 | 2013-02-13 14:34:28 +0000 | [diff] [blame] | 708 | PixelChannel channel=GetPixelChannelChannel(image,i); |
| 709 | PixelTrait traits=GetPixelChannelTraits(image,channel); |
| 710 | PixelTrait crop_traits=GetPixelChannelTraits(crop_image,channel); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 711 | if ((traits == UndefinedPixelTrait) || |
| 712 | (crop_traits == UndefinedPixelTrait)) |
| 713 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 714 | SetPixelChannel(crop_image,channel,p[i],q); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 715 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 716 | p+=GetPixelChannels(image); |
| 717 | q+=GetPixelChannels(crop_image); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 718 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 719 | if (SyncCacheViewAuthenticPixels(crop_view,exception) == MagickFalse) |
| 720 | status=MagickFalse; |
| 721 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 722 | { |
| 723 | MagickBooleanType |
| 724 | proceed; |
| 725 | |
cristy | 2224dcd | 2010-11-15 00:49:30 +0000 | [diff] [blame] | 726 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | a5ab7ad | 2012-01-21 23:49:58 +0000 | [diff] [blame] | 727 | #pragma omp critical (MagickCore_CropImage) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 728 | #endif |
| 729 | proceed=SetImageProgress(image,CropImageTag,progress++,image->rows); |
| 730 | if (proceed == MagickFalse) |
| 731 | status=MagickFalse; |
| 732 | } |
| 733 | } |
| 734 | crop_view=DestroyCacheView(crop_view); |
| 735 | image_view=DestroyCacheView(image_view); |
| 736 | crop_image->type=image->type; |
| 737 | if (status == MagickFalse) |
| 738 | crop_image=DestroyImage(crop_image); |
| 739 | return(crop_image); |
| 740 | } |
| 741 | |
| 742 | /* |
| 743 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 744 | % % |
| 745 | % % |
| 746 | % % |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 747 | % C r o p I m a g e T o T i l e s % |
| 748 | % % |
| 749 | % % |
| 750 | % % |
| 751 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 752 | % |
cristy | faf4955 | 2011-09-16 01:37:07 +0000 | [diff] [blame] | 753 | % CropImageToTiles() crops a single image, into a possible list of tiles. |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 754 | % This may include a single sub-region of the image. This basically applies |
| 755 | % all the normal geometry flags for Crop. |
| 756 | % |
cristy | faf4955 | 2011-09-16 01:37:07 +0000 | [diff] [blame] | 757 | % Image *CropImageToTiles(const Image *image, |
| 758 | % const RectangleInfo *crop_geometry, ExceptionInfo *exception) |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 759 | % |
| 760 | % A description of each parameter follows: |
| 761 | % |
| 762 | % o image: the image The transformed image is returned as this parameter. |
| 763 | % |
| 764 | % o crop_geometry: A crop geometry string. |
| 765 | % |
| 766 | % o exception: return any errors or warnings in this structure. |
| 767 | % |
| 768 | */ |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 769 | |
cristy | 72844f1 | 2013-04-28 23:52:36 +0000 | [diff] [blame] | 770 | static inline double MagickRound(double x) |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 771 | { |
| 772 | /* |
| 773 | Round the fraction to nearest integer. |
| 774 | */ |
cristy | ae0a3fc | 2013-04-29 08:29:35 +0000 | [diff] [blame] | 775 | if ((x-floor(x)) < (ceil(x)-x)) |
cristy | 72844f1 | 2013-04-28 23:52:36 +0000 | [diff] [blame] | 776 | return(floor(x)); |
| 777 | return(ceil(x)); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 778 | } |
| 779 | |
| 780 | MagickExport Image *CropImageToTiles(const Image *image, |
cristy | 9ec43c1 | 2012-03-03 15:11:08 +0000 | [diff] [blame] | 781 | const char *crop_geometry,ExceptionInfo *exception) |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 782 | { |
| 783 | Image |
| 784 | *next, |
| 785 | *crop_image; |
| 786 | |
| 787 | MagickStatusType |
| 788 | flags; |
| 789 | |
| 790 | RectangleInfo |
| 791 | geometry; |
| 792 | |
| 793 | assert(image != (Image *) NULL); |
| 794 | assert(image->signature == MagickSignature); |
| 795 | if (image->debug != MagickFalse) |
| 796 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 797 | crop_image=NewImageList(); |
| 798 | next=NewImageList(); |
| 799 | flags=ParseGravityGeometry(image,crop_geometry,&geometry,exception); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 800 | if ((flags & AreaValue) != 0) |
| 801 | { |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 802 | PointInfo |
| 803 | delta, |
| 804 | offset; |
| 805 | |
| 806 | RectangleInfo |
| 807 | crop; |
| 808 | |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 809 | size_t |
| 810 | height, |
| 811 | width; |
| 812 | |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 813 | /* |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 814 | Crop into NxM tiles (@ flag). |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 815 | */ |
| 816 | width=image->columns; |
| 817 | height=image->rows; |
| 818 | if (geometry.width == 0) |
| 819 | geometry.width=1; |
| 820 | if (geometry.height == 0) |
| 821 | geometry.height=1; |
| 822 | if ((flags & AspectValue) == 0) |
| 823 | { |
| 824 | width-=(geometry.x < 0 ? -1 : 1)*geometry.x; |
| 825 | height-=(geometry.y < 0 ? -1 : 1)*geometry.y; |
| 826 | } |
| 827 | else |
| 828 | { |
| 829 | width+=(geometry.x < 0 ? -1 : 1)*geometry.x; |
| 830 | height+=(geometry.y < 0 ? -1 : 1)*geometry.y; |
| 831 | } |
cristy | 240ae87 | 2011-12-02 12:05:20 +0000 | [diff] [blame] | 832 | delta.x=(double) width/geometry.width; |
| 833 | delta.y=(double) height/geometry.height; |
cristy | 9ec43c1 | 2012-03-03 15:11:08 +0000 | [diff] [blame] | 834 | if (delta.x < 1.0) |
| 835 | delta.x=1.0; |
| 836 | if (delta.y < 1.0) |
| 837 | delta.y=1.0; |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 838 | for (offset.y=0; offset.y < (double) height; ) |
| 839 | { |
| 840 | if ((flags & AspectValue) == 0) |
| 841 | { |
cristy | a19f1d7 | 2012-08-07 18:24:38 +0000 | [diff] [blame] | 842 | crop.y=(ssize_t) MagickRound((double) (offset.y- |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 843 | (geometry.y > 0 ? 0 : geometry.y))); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 844 | offset.y+=delta.y; /* increment now to find width */ |
cristy | a19f1d7 | 2012-08-07 18:24:38 +0000 | [diff] [blame] | 845 | crop.height=(size_t) MagickRound((double) (offset.y+ |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 846 | (geometry.y < 0 ? 0 : geometry.y))); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 847 | } |
| 848 | else |
| 849 | { |
cristy | a19f1d7 | 2012-08-07 18:24:38 +0000 | [diff] [blame] | 850 | crop.y=(ssize_t) MagickRound((double) (offset.y- |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 851 | (geometry.y > 0 ? geometry.y : 0))); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 852 | offset.y+=delta.y; /* increment now to find width */ |
cristy | a19f1d7 | 2012-08-07 18:24:38 +0000 | [diff] [blame] | 853 | crop.height=(size_t) MagickRound((double) |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 854 | (offset.y+(geometry.y < -1 ? geometry.y : 0))); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 855 | } |
| 856 | crop.height-=crop.y; |
| 857 | crop.y+=image->page.y; |
| 858 | for (offset.x=0; offset.x < (double) width; ) |
| 859 | { |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 860 | if ((flags & AspectValue) == 0) |
| 861 | { |
cristy | a19f1d7 | 2012-08-07 18:24:38 +0000 | [diff] [blame] | 862 | crop.x=(ssize_t) MagickRound((double) (offset.x- |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 863 | (geometry.x > 0 ? 0 : geometry.x))); |
| 864 | offset.x+=delta.x; /* increment now to find height */ |
cristy | a19f1d7 | 2012-08-07 18:24:38 +0000 | [diff] [blame] | 865 | crop.width=(size_t) MagickRound((double) (offset.x+ |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 866 | (geometry.x < 0 ? 0 : geometry.x))); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 867 | } |
| 868 | else |
| 869 | { |
cristy | a19f1d7 | 2012-08-07 18:24:38 +0000 | [diff] [blame] | 870 | crop.x=(ssize_t) MagickRound((double) (offset.x- |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 871 | (geometry.x > 0 ? geometry.x : 0))); |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 872 | offset.x+=delta.x; /* increment now to find height */ |
cristy | a19f1d7 | 2012-08-07 18:24:38 +0000 | [diff] [blame] | 873 | crop.width=(size_t) MagickRound((double) (offset.x+ |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 874 | (geometry.x < 0 ? geometry.x : 0))); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 875 | } |
| 876 | crop.width-=crop.x; |
| 877 | crop.x+=image->page.x; |
cristy | bf46f10 | 2011-08-01 18:00:16 +0000 | [diff] [blame] | 878 | next=CropImage(image,&crop,exception); |
| 879 | if (next == (Image *) NULL) |
| 880 | break; |
| 881 | AppendImageToList(&crop_image,next); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 882 | } |
| 883 | if (next == (Image *) NULL) |
| 884 | break; |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 885 | } |
cristy | 52224bf | 2011-08-01 18:17:07 +0000 | [diff] [blame] | 886 | ClearMagickException(exception); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 887 | return(crop_image); |
| 888 | } |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 889 | if (((geometry.width == 0) && (geometry.height == 0)) || |
| 890 | ((flags & XValue) != 0) || ((flags & YValue) != 0)) |
| 891 | { |
| 892 | /* |
| 893 | Crop a single region at +X+Y. |
| 894 | */ |
| 895 | crop_image=CropImage(image,&geometry,exception); |
| 896 | if ((crop_image != (Image *) NULL) && ((flags & AspectValue) != 0)) |
| 897 | { |
| 898 | crop_image->page.width=geometry.width; |
| 899 | crop_image->page.height=geometry.height; |
| 900 | crop_image->page.x-=geometry.x; |
| 901 | crop_image->page.y-=geometry.y; |
| 902 | } |
| 903 | return(crop_image); |
cristy | 9ec43c1 | 2012-03-03 15:11:08 +0000 | [diff] [blame] | 904 | } |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 905 | if ((image->columns > geometry.width) || (image->rows > geometry.height)) |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 906 | { |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 907 | RectangleInfo |
| 908 | page; |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 909 | |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 910 | size_t |
| 911 | height, |
| 912 | width; |
| 913 | |
| 914 | ssize_t |
| 915 | x, |
| 916 | y; |
| 917 | |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 918 | /* |
| 919 | Crop into tiles of fixed size WxH. |
| 920 | */ |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 921 | page=image->page; |
| 922 | if (page.width == 0) |
| 923 | page.width=image->columns; |
anthony | 5ea220b | 2011-04-22 13:15:46 +0000 | [diff] [blame] | 924 | if (page.height == 0) |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 925 | page.height=image->rows; |
anthony | 5ea220b | 2011-04-22 13:15:46 +0000 | [diff] [blame] | 926 | width=geometry.width; |
| 927 | if (width == 0) |
| 928 | width=page.width; |
| 929 | height=geometry.height; |
| 930 | if (height == 0) |
| 931 | height=page.height; |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 932 | next=NewImageList(); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 933 | for (y=0; y < (ssize_t) page.height; y+=(ssize_t) height) |
| 934 | { |
| 935 | for (x=0; x < (ssize_t) page.width; x+=(ssize_t) width) |
| 936 | { |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 937 | geometry.width=width; |
| 938 | geometry.height=height; |
| 939 | geometry.x=x; |
| 940 | geometry.y=y; |
| 941 | next=CropImage(image,&geometry,exception); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 942 | if (next == (Image *) NULL) |
| 943 | break; |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 944 | AppendImageToList(&crop_image,next); |
| 945 | } |
| 946 | if (next == (Image *) NULL) |
| 947 | break; |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 948 | } |
| 949 | return(crop_image); |
| 950 | } |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 951 | return(CloneImage(image,0,0,MagickTrue,exception)); |
| 952 | } |
| 953 | |
| 954 | /* |
| 955 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 956 | % % |
| 957 | % % |
| 958 | % % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 959 | % E x c e r p t I m a g e % |
| 960 | % % |
| 961 | % % |
| 962 | % % |
| 963 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 964 | % |
| 965 | % ExcerptImage() returns a excerpt of the image as defined by the geometry. |
| 966 | % |
| 967 | % The format of the ExcerptImage method is: |
| 968 | % |
| 969 | % Image *ExcerptImage(const Image *image,const RectangleInfo *geometry, |
| 970 | % ExceptionInfo *exception) |
| 971 | % |
| 972 | % A description of each parameter follows: |
| 973 | % |
| 974 | % o image: the image. |
| 975 | % |
| 976 | % o geometry: Define the region of the image to extend with members |
| 977 | % x, y, width, and height. |
| 978 | % |
| 979 | % o exception: return any errors or warnings in this structure. |
| 980 | % |
| 981 | */ |
| 982 | MagickExport Image *ExcerptImage(const Image *image, |
| 983 | const RectangleInfo *geometry,ExceptionInfo *exception) |
| 984 | { |
| 985 | #define ExcerptImageTag "Excerpt/Image" |
| 986 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 987 | CacheView |
| 988 | *excerpt_view, |
| 989 | *image_view; |
| 990 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 991 | Image |
| 992 | *excerpt_image; |
| 993 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 994 | MagickBooleanType |
| 995 | status; |
| 996 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 997 | MagickOffsetType |
| 998 | progress; |
| 999 | |
| 1000 | ssize_t |
| 1001 | y; |
| 1002 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1003 | /* |
| 1004 | Allocate excerpt image. |
| 1005 | */ |
| 1006 | assert(image != (const Image *) NULL); |
| 1007 | assert(image->signature == MagickSignature); |
| 1008 | if (image->debug != MagickFalse) |
| 1009 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1010 | assert(geometry != (const RectangleInfo *) NULL); |
| 1011 | assert(exception != (ExceptionInfo *) NULL); |
| 1012 | assert(exception->signature == MagickSignature); |
| 1013 | excerpt_image=CloneImage(image,geometry->width,geometry->height,MagickTrue, |
| 1014 | exception); |
| 1015 | if (excerpt_image == (Image *) NULL) |
| 1016 | return((Image *) NULL); |
| 1017 | /* |
| 1018 | Excerpt each row. |
| 1019 | */ |
| 1020 | status=MagickTrue; |
| 1021 | progress=0; |
cristy | 46ff267 | 2012-12-14 15:32:26 +0000 | [diff] [blame] | 1022 | image_view=AcquireVirtualCacheView(image,exception); |
| 1023 | excerpt_view=AcquireAuthenticCacheView(excerpt_image,exception); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 1024 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | ac245f8 | 2012-05-05 17:13:57 +0000 | [diff] [blame] | 1025 | #pragma omp parallel for schedule(static,4) shared(progress,status) \ |
cristy | 5e6b259 | 2012-12-19 14:08:11 +0000 | [diff] [blame] | 1026 | magick_threads(image,excerpt_image,excerpt_image->rows,1) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1027 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1028 | for (y=0; y < (ssize_t) excerpt_image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1029 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1030 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1031 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1032 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1033 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1034 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1035 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1036 | register ssize_t |
| 1037 | x; |
| 1038 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1039 | if (status == MagickFalse) |
| 1040 | continue; |
| 1041 | p=GetCacheViewVirtualPixels(image_view,geometry->x,geometry->y+y, |
| 1042 | geometry->width,1,exception); |
| 1043 | q=GetCacheViewAuthenticPixels(excerpt_view,0,y,excerpt_image->columns,1, |
| 1044 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1045 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1046 | { |
| 1047 | status=MagickFalse; |
| 1048 | continue; |
| 1049 | } |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1050 | for (x=0; x < (ssize_t) excerpt_image->columns; x++) |
| 1051 | { |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1052 | register ssize_t |
| 1053 | i; |
| 1054 | |
cristy | 883fde1 | 2013-04-08 00:50:13 +0000 | [diff] [blame] | 1055 | if (GetPixelReadMask(image,p) == 0) |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 1056 | { |
cristy | c3a5802 | 2013-10-09 23:22:42 +0000 | [diff] [blame^] | 1057 | SetPixelBackgoundColor(excerpt_image,q); |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 1058 | p+=GetPixelChannels(image); |
| 1059 | q+=GetPixelChannels(excerpt_image); |
| 1060 | continue; |
| 1061 | } |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1062 | for (i=0; i < (ssize_t) GetPixelChannels(image); i++) |
| 1063 | { |
cristy | 5a23c55 | 2013-02-13 14:34:28 +0000 | [diff] [blame] | 1064 | PixelChannel channel=GetPixelChannelChannel(image,i); |
| 1065 | PixelTrait traits=GetPixelChannelTraits(image,channel); |
| 1066 | PixelTrait excerpt_traits=GetPixelChannelTraits(excerpt_image,channel); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1067 | if ((traits == UndefinedPixelTrait) || |
| 1068 | (excerpt_traits == UndefinedPixelTrait)) |
| 1069 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 1070 | SetPixelChannel(excerpt_image,channel,p[i],q); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1071 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1072 | p+=GetPixelChannels(image); |
| 1073 | q+=GetPixelChannels(excerpt_image); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1074 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1075 | if (SyncCacheViewAuthenticPixels(excerpt_view,exception) == MagickFalse) |
| 1076 | status=MagickFalse; |
| 1077 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 1078 | { |
| 1079 | MagickBooleanType |
| 1080 | proceed; |
| 1081 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 1082 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | a5ab7ad | 2012-01-21 23:49:58 +0000 | [diff] [blame] | 1083 | #pragma omp critical (MagickCore_ExcerptImage) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1084 | #endif |
| 1085 | proceed=SetImageProgress(image,ExcerptImageTag,progress++,image->rows); |
| 1086 | if (proceed == MagickFalse) |
| 1087 | status=MagickFalse; |
| 1088 | } |
| 1089 | } |
| 1090 | excerpt_view=DestroyCacheView(excerpt_view); |
| 1091 | image_view=DestroyCacheView(image_view); |
| 1092 | excerpt_image->type=image->type; |
| 1093 | if (status == MagickFalse) |
| 1094 | excerpt_image=DestroyImage(excerpt_image); |
| 1095 | return(excerpt_image); |
| 1096 | } |
| 1097 | |
| 1098 | /* |
| 1099 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1100 | % % |
| 1101 | % % |
| 1102 | % % |
| 1103 | % E x t e n t I m a g e % |
| 1104 | % % |
| 1105 | % % |
| 1106 | % % |
| 1107 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1108 | % |
| 1109 | % ExtentImage() extends the image as defined by the geometry, gravity, and |
| 1110 | % image background color. Set the (x,y) offset of the geometry to move the |
| 1111 | % original image relative to the extended image. |
| 1112 | % |
| 1113 | % The format of the ExtentImage method is: |
| 1114 | % |
| 1115 | % Image *ExtentImage(const Image *image,const RectangleInfo *geometry, |
| 1116 | % ExceptionInfo *exception) |
| 1117 | % |
| 1118 | % A description of each parameter follows: |
| 1119 | % |
| 1120 | % o image: the image. |
| 1121 | % |
| 1122 | % o geometry: Define the region of the image to extend with members |
| 1123 | % x, y, width, and height. |
| 1124 | % |
| 1125 | % o exception: return any errors or warnings in this structure. |
| 1126 | % |
| 1127 | */ |
| 1128 | MagickExport Image *ExtentImage(const Image *image, |
| 1129 | const RectangleInfo *geometry,ExceptionInfo *exception) |
| 1130 | { |
| 1131 | Image |
| 1132 | *extent_image; |
| 1133 | |
| 1134 | /* |
| 1135 | Allocate extent image. |
| 1136 | */ |
| 1137 | assert(image != (const Image *) NULL); |
| 1138 | assert(image->signature == MagickSignature); |
| 1139 | if (image->debug != MagickFalse) |
| 1140 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1141 | assert(geometry != (const RectangleInfo *) NULL); |
| 1142 | assert(exception != (ExceptionInfo *) NULL); |
| 1143 | assert(exception->signature == MagickSignature); |
| 1144 | extent_image=CloneImage(image,geometry->width,geometry->height,MagickTrue, |
| 1145 | exception); |
| 1146 | if (extent_image == (Image *) NULL) |
| 1147 | return((Image *) NULL); |
cristy | 574cc26 | 2011-08-05 01:23:58 +0000 | [diff] [blame] | 1148 | if (SetImageStorageClass(extent_image,DirectClass,exception) == MagickFalse) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1149 | { |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1150 | extent_image=DestroyImage(extent_image); |
| 1151 | return((Image *) NULL); |
| 1152 | } |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1153 | if (extent_image->background_color.alpha != OpaqueAlpha) |
cristy | 8a46d82 | 2012-08-28 23:32:39 +0000 | [diff] [blame] | 1154 | extent_image->alpha_trait=BlendPixelTrait; |
cristy | ea1a8aa | 2011-10-20 13:24:06 +0000 | [diff] [blame] | 1155 | (void) SetImageBackgroundColor(extent_image,exception); |
cristy | 3917240 | 2012-03-30 13:04:39 +0000 | [diff] [blame] | 1156 | (void) CompositeImage(extent_image,image,image->compose,MagickTrue, |
cristy | feb3e96 | 2012-03-29 17:25:55 +0000 | [diff] [blame] | 1157 | -geometry->x,-geometry->y,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1158 | return(extent_image); |
| 1159 | } |
| 1160 | |
| 1161 | /* |
| 1162 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1163 | % % |
| 1164 | % % |
| 1165 | % % |
| 1166 | % F l i p I m a g e % |
| 1167 | % % |
| 1168 | % % |
| 1169 | % % |
| 1170 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1171 | % |
| 1172 | % FlipImage() creates a vertical mirror image by reflecting the pixels |
| 1173 | % around the central x-axis. |
| 1174 | % |
| 1175 | % The format of the FlipImage method is: |
| 1176 | % |
| 1177 | % Image *FlipImage(const Image *image,ExceptionInfo *exception) |
| 1178 | % |
| 1179 | % A description of each parameter follows: |
| 1180 | % |
| 1181 | % o image: the image. |
| 1182 | % |
| 1183 | % o exception: return any errors or warnings in this structure. |
| 1184 | % |
| 1185 | */ |
| 1186 | MagickExport Image *FlipImage(const Image *image,ExceptionInfo *exception) |
| 1187 | { |
| 1188 | #define FlipImageTag "Flip/Image" |
| 1189 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 1190 | CacheView |
| 1191 | *flip_view, |
| 1192 | *image_view; |
| 1193 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1194 | Image |
| 1195 | *flip_image; |
| 1196 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1197 | MagickBooleanType |
| 1198 | status; |
| 1199 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1200 | MagickOffsetType |
| 1201 | progress; |
| 1202 | |
cristy | 74ea2cd | 2010-12-08 02:54:25 +0000 | [diff] [blame] | 1203 | RectangleInfo |
| 1204 | page; |
| 1205 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1206 | ssize_t |
| 1207 | y; |
| 1208 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1209 | assert(image != (const Image *) NULL); |
| 1210 | assert(image->signature == MagickSignature); |
| 1211 | if (image->debug != MagickFalse) |
| 1212 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1213 | assert(exception != (ExceptionInfo *) NULL); |
| 1214 | assert(exception->signature == MagickSignature); |
| 1215 | flip_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception); |
| 1216 | if (flip_image == (Image *) NULL) |
| 1217 | return((Image *) NULL); |
| 1218 | /* |
| 1219 | Flip image. |
| 1220 | */ |
| 1221 | status=MagickTrue; |
| 1222 | progress=0; |
cristy | 74ea2cd | 2010-12-08 02:54:25 +0000 | [diff] [blame] | 1223 | page=image->page; |
cristy | 46ff267 | 2012-12-14 15:32:26 +0000 | [diff] [blame] | 1224 | image_view=AcquireVirtualCacheView(image,exception); |
| 1225 | flip_view=AcquireAuthenticCacheView(flip_image,exception); |
cristy | 26b6491 | 2012-12-16 18:20:09 +0000 | [diff] [blame] | 1226 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | d643247 | 2013-01-06 16:56:13 +0000 | [diff] [blame] | 1227 | #pragma omp parallel for schedule(static,4) shared(status) \ |
| 1228 | magick_threads(image,flip_image,1,1) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1229 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1230 | for (y=0; y < (ssize_t) flip_image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1231 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1232 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1233 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1234 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1235 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1236 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1237 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1238 | register ssize_t |
| 1239 | x; |
| 1240 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1241 | if (status == MagickFalse) |
| 1242 | continue; |
| 1243 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
cristy | 5db1f09 | 2010-06-07 13:07:26 +0000 | [diff] [blame] | 1244 | q=QueueCacheViewAuthenticPixels(flip_view,0,(ssize_t) (flip_image->rows-y- |
| 1245 | 1),flip_image->columns,1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1246 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1247 | { |
| 1248 | status=MagickFalse; |
| 1249 | continue; |
| 1250 | } |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1251 | for (x=0; x < (ssize_t) flip_image->columns; x++) |
| 1252 | { |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1253 | register ssize_t |
| 1254 | i; |
| 1255 | |
cristy | 883fde1 | 2013-04-08 00:50:13 +0000 | [diff] [blame] | 1256 | if (GetPixelReadMask(image,p) == 0) |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 1257 | { |
cristy | c3a5802 | 2013-10-09 23:22:42 +0000 | [diff] [blame^] | 1258 | SetPixelBackgoundColor(flip_image,q); |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 1259 | p+=GetPixelChannels(image); |
| 1260 | q+=GetPixelChannels(flip_image); |
| 1261 | continue; |
| 1262 | } |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1263 | for (i=0; i < (ssize_t) GetPixelChannels(image); i++) |
| 1264 | { |
cristy | 5a23c55 | 2013-02-13 14:34:28 +0000 | [diff] [blame] | 1265 | PixelChannel channel=GetPixelChannelChannel(image,i); |
| 1266 | PixelTrait traits=GetPixelChannelTraits(image,channel); |
| 1267 | PixelTrait flip_traits=GetPixelChannelTraits(flip_image,channel); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1268 | if ((traits == UndefinedPixelTrait) || |
| 1269 | (flip_traits == UndefinedPixelTrait)) |
| 1270 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 1271 | SetPixelChannel(flip_image,channel,p[i],q); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1272 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1273 | p+=GetPixelChannels(image); |
| 1274 | q+=GetPixelChannels(flip_image); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1275 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1276 | if (SyncCacheViewAuthenticPixels(flip_view,exception) == MagickFalse) |
| 1277 | status=MagickFalse; |
| 1278 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 1279 | { |
| 1280 | MagickBooleanType |
| 1281 | proceed; |
| 1282 | |
cristy | 26b6491 | 2012-12-16 18:20:09 +0000 | [diff] [blame] | 1283 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | a5ab7ad | 2012-01-21 23:49:58 +0000 | [diff] [blame] | 1284 | #pragma omp critical (MagickCore_FlipImage) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1285 | #endif |
| 1286 | proceed=SetImageProgress(image,FlipImageTag,progress++,image->rows); |
| 1287 | if (proceed == MagickFalse) |
| 1288 | status=MagickFalse; |
| 1289 | } |
| 1290 | } |
| 1291 | flip_view=DestroyCacheView(flip_view); |
| 1292 | image_view=DestroyCacheView(image_view); |
| 1293 | flip_image->type=image->type; |
anthony | 37a1b91 | 2010-12-10 12:45:59 +0000 | [diff] [blame] | 1294 | if (page.height != 0) |
| 1295 | page.y=(ssize_t) (page.height-flip_image->rows-page.y); |
cristy | 74ea2cd | 2010-12-08 02:54:25 +0000 | [diff] [blame] | 1296 | flip_image->page=page; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1297 | if (status == MagickFalse) |
| 1298 | flip_image=DestroyImage(flip_image); |
| 1299 | return(flip_image); |
| 1300 | } |
| 1301 | |
| 1302 | /* |
| 1303 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1304 | % % |
| 1305 | % % |
| 1306 | % % |
| 1307 | % F l o p I m a g e % |
| 1308 | % % |
| 1309 | % % |
| 1310 | % % |
| 1311 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1312 | % |
| 1313 | % FlopImage() creates a horizontal mirror image by reflecting the pixels |
| 1314 | % around the central y-axis. |
| 1315 | % |
| 1316 | % The format of the FlopImage method is: |
| 1317 | % |
| 1318 | % Image *FlopImage(const Image *image,ExceptionInfo *exception) |
| 1319 | % |
| 1320 | % A description of each parameter follows: |
| 1321 | % |
| 1322 | % o image: the image. |
| 1323 | % |
| 1324 | % o exception: return any errors or warnings in this structure. |
| 1325 | % |
| 1326 | */ |
| 1327 | MagickExport Image *FlopImage(const Image *image,ExceptionInfo *exception) |
| 1328 | { |
| 1329 | #define FlopImageTag "Flop/Image" |
| 1330 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 1331 | CacheView |
| 1332 | *flop_view, |
| 1333 | *image_view; |
| 1334 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1335 | Image |
| 1336 | *flop_image; |
| 1337 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1338 | MagickBooleanType |
| 1339 | status; |
| 1340 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1341 | MagickOffsetType |
| 1342 | progress; |
| 1343 | |
cristy | 74ea2cd | 2010-12-08 02:54:25 +0000 | [diff] [blame] | 1344 | RectangleInfo |
| 1345 | page; |
| 1346 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1347 | ssize_t |
| 1348 | y; |
| 1349 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1350 | assert(image != (const Image *) NULL); |
| 1351 | assert(image->signature == MagickSignature); |
| 1352 | if (image->debug != MagickFalse) |
| 1353 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1354 | assert(exception != (ExceptionInfo *) NULL); |
| 1355 | assert(exception->signature == MagickSignature); |
| 1356 | flop_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception); |
| 1357 | if (flop_image == (Image *) NULL) |
| 1358 | return((Image *) NULL); |
| 1359 | /* |
| 1360 | Flop each row. |
| 1361 | */ |
| 1362 | status=MagickTrue; |
| 1363 | progress=0; |
cristy | 74ea2cd | 2010-12-08 02:54:25 +0000 | [diff] [blame] | 1364 | page=image->page; |
cristy | 46ff267 | 2012-12-14 15:32:26 +0000 | [diff] [blame] | 1365 | image_view=AcquireVirtualCacheView(image,exception); |
| 1366 | flop_view=AcquireAuthenticCacheView(flop_image,exception); |
cristy | 26b6491 | 2012-12-16 18:20:09 +0000 | [diff] [blame] | 1367 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | d643247 | 2013-01-06 16:56:13 +0000 | [diff] [blame] | 1368 | #pragma omp parallel for schedule(static,4) shared(status) \ |
| 1369 | magick_threads(image,flop_image,1,1) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1370 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1371 | for (y=0; y < (ssize_t) flop_image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1372 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1373 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1374 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1375 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1376 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1377 | x; |
| 1378 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1379 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1380 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1381 | |
| 1382 | if (status == MagickFalse) |
| 1383 | continue; |
| 1384 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
| 1385 | q=QueueCacheViewAuthenticPixels(flop_view,0,y,flop_image->columns,1, |
| 1386 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1387 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1388 | { |
| 1389 | status=MagickFalse; |
| 1390 | continue; |
| 1391 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1392 | q+=GetPixelChannels(flop_image)*flop_image->columns; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1393 | for (x=0; x < (ssize_t) flop_image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1394 | { |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1395 | register ssize_t |
| 1396 | i; |
| 1397 | |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1398 | q-=GetPixelChannels(flop_image); |
cristy | 883fde1 | 2013-04-08 00:50:13 +0000 | [diff] [blame] | 1399 | if (GetPixelReadMask(image,p) == 0) |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 1400 | { |
| 1401 | p+=GetPixelChannels(image); |
| 1402 | continue; |
| 1403 | } |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1404 | for (i=0; i < (ssize_t) GetPixelChannels(image); i++) |
| 1405 | { |
cristy | 5a23c55 | 2013-02-13 14:34:28 +0000 | [diff] [blame] | 1406 | PixelChannel channel=GetPixelChannelChannel(image,i); |
| 1407 | PixelTrait traits=GetPixelChannelTraits(image,channel); |
| 1408 | PixelTrait flop_traits=GetPixelChannelTraits(flop_image,channel); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1409 | if ((traits == UndefinedPixelTrait) || |
| 1410 | (flop_traits == UndefinedPixelTrait)) |
| 1411 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 1412 | SetPixelChannel(flop_image,channel,p[i],q); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1413 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1414 | p+=GetPixelChannels(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1415 | } |
| 1416 | if (SyncCacheViewAuthenticPixels(flop_view,exception) == MagickFalse) |
| 1417 | status=MagickFalse; |
| 1418 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 1419 | { |
| 1420 | MagickBooleanType |
| 1421 | proceed; |
| 1422 | |
cristy | 26b6491 | 2012-12-16 18:20:09 +0000 | [diff] [blame] | 1423 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | a5ab7ad | 2012-01-21 23:49:58 +0000 | [diff] [blame] | 1424 | #pragma omp critical (MagickCore_FlopImage) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1425 | #endif |
| 1426 | proceed=SetImageProgress(image,FlopImageTag,progress++,image->rows); |
| 1427 | if (proceed == MagickFalse) |
| 1428 | status=MagickFalse; |
| 1429 | } |
| 1430 | } |
| 1431 | flop_view=DestroyCacheView(flop_view); |
| 1432 | image_view=DestroyCacheView(image_view); |
| 1433 | flop_image->type=image->type; |
anthony | 37a1b91 | 2010-12-10 12:45:59 +0000 | [diff] [blame] | 1434 | if (page.width != 0) |
| 1435 | page.x=(ssize_t) (page.width-flop_image->columns-page.x); |
cristy | 74ea2cd | 2010-12-08 02:54:25 +0000 | [diff] [blame] | 1436 | flop_image->page=page; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1437 | if (status == MagickFalse) |
| 1438 | flop_image=DestroyImage(flop_image); |
| 1439 | return(flop_image); |
| 1440 | } |
| 1441 | |
| 1442 | /* |
| 1443 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1444 | % % |
| 1445 | % % |
| 1446 | % % |
| 1447 | % R o l l I m a g e % |
| 1448 | % % |
| 1449 | % % |
| 1450 | % % |
| 1451 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1452 | % |
| 1453 | % RollImage() offsets an image as defined by x_offset and y_offset. |
| 1454 | % |
| 1455 | % The format of the RollImage method is: |
| 1456 | % |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1457 | % Image *RollImage(const Image *image,const ssize_t x_offset, |
| 1458 | % const ssize_t y_offset,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1459 | % |
| 1460 | % A description of each parameter follows: |
| 1461 | % |
| 1462 | % o image: the image. |
| 1463 | % |
| 1464 | % o x_offset: the number of columns to roll in the horizontal direction. |
| 1465 | % |
| 1466 | % o y_offset: the number of rows to roll in the vertical direction. |
| 1467 | % |
| 1468 | % o exception: return any errors or warnings in this structure. |
| 1469 | % |
| 1470 | */ |
| 1471 | |
| 1472 | static inline MagickBooleanType CopyImageRegion(Image *destination, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1473 | const Image *source,const size_t columns,const size_t rows, |
| 1474 | const ssize_t sx,const ssize_t sy,const ssize_t dx,const ssize_t dy, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1475 | ExceptionInfo *exception) |
| 1476 | { |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 1477 | CacheView |
| 1478 | *source_view, |
| 1479 | *destination_view; |
| 1480 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1481 | MagickBooleanType |
| 1482 | status; |
| 1483 | |
cristy | 9d314ff | 2011-03-09 01:30:28 +0000 | [diff] [blame] | 1484 | ssize_t |
| 1485 | y; |
| 1486 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1487 | status=MagickTrue; |
cristy | 46ff267 | 2012-12-14 15:32:26 +0000 | [diff] [blame] | 1488 | source_view=AcquireVirtualCacheView(source,exception); |
| 1489 | destination_view=AcquireAuthenticCacheView(destination,exception); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 1490 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 9a5a52f | 2012-10-09 14:40:31 +0000 | [diff] [blame] | 1491 | #pragma omp parallel for schedule(static,4) shared(status) \ |
cristy | 5e6b259 | 2012-12-19 14:08:11 +0000 | [diff] [blame] | 1492 | magick_threads(source,destination,rows,1) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1493 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1494 | for (y=0; y < (ssize_t) rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1495 | { |
| 1496 | MagickBooleanType |
| 1497 | sync; |
| 1498 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1499 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1500 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1501 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1502 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1503 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1504 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1505 | register ssize_t |
| 1506 | x; |
| 1507 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1508 | /* |
| 1509 | Transfer scanline. |
| 1510 | */ |
| 1511 | if (status == MagickFalse) |
| 1512 | continue; |
| 1513 | p=GetCacheViewVirtualPixels(source_view,sx,sy+y,columns,1,exception); |
| 1514 | q=GetCacheViewAuthenticPixels(destination_view,dx,dy+y,columns,1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1515 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1516 | { |
| 1517 | status=MagickFalse; |
| 1518 | continue; |
| 1519 | } |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1520 | for (x=0; x < (ssize_t) columns; x++) |
| 1521 | { |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1522 | register ssize_t |
| 1523 | i; |
| 1524 | |
cristy | 883fde1 | 2013-04-08 00:50:13 +0000 | [diff] [blame] | 1525 | if (GetPixelReadMask(source,p) == 0) |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 1526 | { |
cristy | c3a5802 | 2013-10-09 23:22:42 +0000 | [diff] [blame^] | 1527 | SetPixelBackgoundColor(destination,q); |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 1528 | p+=GetPixelChannels(source); |
| 1529 | q+=GetPixelChannels(destination); |
| 1530 | continue; |
| 1531 | } |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1532 | for (i=0; i < (ssize_t) GetPixelChannels(source); i++) |
| 1533 | { |
cristy | 5a23c55 | 2013-02-13 14:34:28 +0000 | [diff] [blame] | 1534 | PixelChannel channel=GetPixelChannelChannel(source,i); |
| 1535 | PixelTrait source_traits=GetPixelChannelTraits(source,channel); |
| 1536 | PixelTrait destination_traits=GetPixelChannelTraits(destination, |
| 1537 | channel); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1538 | if ((source_traits == UndefinedPixelTrait) || |
| 1539 | (destination_traits == UndefinedPixelTrait)) |
| 1540 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 1541 | SetPixelChannel(destination,channel,p[i],q); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1542 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1543 | p+=GetPixelChannels(source); |
| 1544 | q+=GetPixelChannels(destination); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1545 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1546 | sync=SyncCacheViewAuthenticPixels(destination_view,exception); |
| 1547 | if (sync == MagickFalse) |
| 1548 | status=MagickFalse; |
| 1549 | } |
| 1550 | destination_view=DestroyCacheView(destination_view); |
| 1551 | source_view=DestroyCacheView(source_view); |
| 1552 | return(status); |
| 1553 | } |
| 1554 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1555 | MagickExport Image *RollImage(const Image *image,const ssize_t x_offset, |
| 1556 | const ssize_t y_offset,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1557 | { |
| 1558 | #define RollImageTag "Roll/Image" |
| 1559 | |
| 1560 | Image |
| 1561 | *roll_image; |
| 1562 | |
| 1563 | MagickStatusType |
| 1564 | status; |
| 1565 | |
| 1566 | RectangleInfo |
| 1567 | offset; |
| 1568 | |
| 1569 | /* |
| 1570 | Initialize roll image attributes. |
| 1571 | */ |
| 1572 | assert(image != (const Image *) NULL); |
| 1573 | assert(image->signature == MagickSignature); |
| 1574 | if (image->debug != MagickFalse) |
| 1575 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1576 | assert(exception != (ExceptionInfo *) NULL); |
| 1577 | assert(exception->signature == MagickSignature); |
| 1578 | roll_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception); |
| 1579 | if (roll_image == (Image *) NULL) |
| 1580 | return((Image *) NULL); |
| 1581 | offset.x=x_offset; |
| 1582 | offset.y=y_offset; |
| 1583 | while (offset.x < 0) |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1584 | offset.x+=(ssize_t) image->columns; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1585 | while (offset.x >= (ssize_t) image->columns) |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1586 | offset.x-=(ssize_t) image->columns; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1587 | while (offset.y < 0) |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1588 | offset.y+=(ssize_t) image->rows; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1589 | while (offset.y >= (ssize_t) image->rows) |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1590 | offset.y-=(ssize_t) image->rows; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1591 | /* |
| 1592 | Roll image. |
| 1593 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1594 | status=CopyImageRegion(roll_image,image,(size_t) offset.x, |
| 1595 | (size_t) offset.y,(ssize_t) image->columns-offset.x,(ssize_t) image->rows- |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1596 | offset.y,0,0,exception); |
| 1597 | (void) SetImageProgress(image,RollImageTag,0,3); |
cristy | aae13f6 | 2013-08-15 14:41:32 +0000 | [diff] [blame] | 1598 | status&=CopyImageRegion(roll_image,image,image->columns-offset.x, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1599 | (size_t) offset.y,0,(ssize_t) image->rows-offset.y,offset.x,0, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1600 | exception); |
| 1601 | (void) SetImageProgress(image,RollImageTag,1,3); |
cristy | aae13f6 | 2013-08-15 14:41:32 +0000 | [diff] [blame] | 1602 | status&=CopyImageRegion(roll_image,image,(size_t) offset.x,image->rows- |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1603 | offset.y,(ssize_t) image->columns-offset.x,0,0,offset.y,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1604 | (void) SetImageProgress(image,RollImageTag,2,3); |
cristy | aae13f6 | 2013-08-15 14:41:32 +0000 | [diff] [blame] | 1605 | status&=CopyImageRegion(roll_image,image,image->columns-offset.x,image->rows- |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1606 | offset.y,0,0,offset.x,offset.y,exception); |
| 1607 | (void) SetImageProgress(image,RollImageTag,3,3); |
| 1608 | roll_image->type=image->type; |
| 1609 | if (status == MagickFalse) |
| 1610 | roll_image=DestroyImage(roll_image); |
| 1611 | return(roll_image); |
| 1612 | } |
| 1613 | |
| 1614 | /* |
| 1615 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1616 | % % |
| 1617 | % % |
| 1618 | % % |
| 1619 | % S h a v e I m a g e % |
| 1620 | % % |
| 1621 | % % |
| 1622 | % % |
| 1623 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1624 | % |
| 1625 | % ShaveImage() shaves pixels from the image edges. It allocates the memory |
| 1626 | % necessary for the new Image structure and returns a pointer to the new |
| 1627 | % image. |
| 1628 | % |
| 1629 | % The format of the ShaveImage method is: |
| 1630 | % |
| 1631 | % Image *ShaveImage(const Image *image,const RectangleInfo *shave_info, |
| 1632 | % ExceptionInfo *exception) |
| 1633 | % |
| 1634 | % A description of each parameter follows: |
| 1635 | % |
| 1636 | % o shave_image: Method ShaveImage returns a pointer to the shaved |
| 1637 | % image. A null image is returned if there is a memory shortage or |
| 1638 | % if the image width or height is zero. |
| 1639 | % |
| 1640 | % o image: the image. |
| 1641 | % |
| 1642 | % o shave_info: Specifies a pointer to a RectangleInfo which defines the |
| 1643 | % region of the image to crop. |
| 1644 | % |
| 1645 | % o exception: return any errors or warnings in this structure. |
| 1646 | % |
| 1647 | */ |
| 1648 | MagickExport Image *ShaveImage(const Image *image, |
| 1649 | const RectangleInfo *shave_info,ExceptionInfo *exception) |
| 1650 | { |
| 1651 | Image |
| 1652 | *shave_image; |
| 1653 | |
| 1654 | RectangleInfo |
| 1655 | geometry; |
| 1656 | |
| 1657 | assert(image != (const Image *) NULL); |
| 1658 | assert(image->signature == MagickSignature); |
| 1659 | if (image->debug != MagickFalse) |
| 1660 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1661 | if (((2*shave_info->width) >= image->columns) || |
| 1662 | ((2*shave_info->height) >= image->rows)) |
| 1663 | ThrowImageException(OptionWarning,"GeometryDoesNotContainImage"); |
| 1664 | SetGeometry(image,&geometry); |
| 1665 | geometry.width-=2*shave_info->width; |
| 1666 | geometry.height-=2*shave_info->height; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1667 | geometry.x=(ssize_t) shave_info->width+image->page.x; |
| 1668 | geometry.y=(ssize_t) shave_info->height+image->page.y; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1669 | shave_image=CropImage(image,&geometry,exception); |
| 1670 | if (shave_image == (Image *) NULL) |
| 1671 | return((Image *) NULL); |
| 1672 | shave_image->page.width-=2*shave_info->width; |
| 1673 | shave_image->page.height-=2*shave_info->height; |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1674 | shave_image->page.x-=(ssize_t) shave_info->width; |
| 1675 | shave_image->page.y-=(ssize_t) shave_info->height; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1676 | return(shave_image); |
| 1677 | } |
| 1678 | |
| 1679 | /* |
| 1680 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1681 | % % |
| 1682 | % % |
| 1683 | % % |
| 1684 | % S p l i c e I m a g e % |
| 1685 | % % |
| 1686 | % % |
| 1687 | % % |
| 1688 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1689 | % |
| 1690 | % SpliceImage() splices a solid color into the image as defined by the |
| 1691 | % geometry. |
| 1692 | % |
| 1693 | % The format of the SpliceImage method is: |
| 1694 | % |
| 1695 | % Image *SpliceImage(const Image *image,const RectangleInfo *geometry, |
| 1696 | % ExceptionInfo *exception) |
| 1697 | % |
| 1698 | % A description of each parameter follows: |
| 1699 | % |
| 1700 | % o image: the image. |
| 1701 | % |
| 1702 | % o geometry: Define the region of the image to splice with members |
| 1703 | % x, y, width, and height. |
| 1704 | % |
| 1705 | % o exception: return any errors or warnings in this structure. |
| 1706 | % |
| 1707 | */ |
| 1708 | MagickExport Image *SpliceImage(const Image *image, |
| 1709 | const RectangleInfo *geometry,ExceptionInfo *exception) |
| 1710 | { |
| 1711 | #define SpliceImageTag "Splice/Image" |
| 1712 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 1713 | CacheView |
| 1714 | *image_view, |
| 1715 | *splice_view; |
| 1716 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1717 | Image |
| 1718 | *splice_image; |
| 1719 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1720 | MagickBooleanType |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1721 | status; |
| 1722 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1723 | MagickOffsetType |
| 1724 | progress; |
| 1725 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1726 | RectangleInfo |
| 1727 | splice_geometry; |
| 1728 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1729 | ssize_t |
| 1730 | y; |
| 1731 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1732 | /* |
| 1733 | Allocate splice image. |
| 1734 | */ |
| 1735 | assert(image != (const Image *) NULL); |
| 1736 | assert(image->signature == MagickSignature); |
| 1737 | if (image->debug != MagickFalse) |
| 1738 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1739 | assert(geometry != (const RectangleInfo *) NULL); |
| 1740 | assert(exception != (ExceptionInfo *) NULL); |
| 1741 | assert(exception->signature == MagickSignature); |
| 1742 | splice_geometry=(*geometry); |
| 1743 | splice_image=CloneImage(image,image->columns+splice_geometry.width, |
| 1744 | image->rows+splice_geometry.height,MagickTrue,exception); |
| 1745 | if (splice_image == (Image *) NULL) |
| 1746 | return((Image *) NULL); |
cristy | 574cc26 | 2011-08-05 01:23:58 +0000 | [diff] [blame] | 1747 | if (SetImageStorageClass(splice_image,DirectClass,exception) == MagickFalse) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1748 | { |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1749 | splice_image=DestroyImage(splice_image); |
| 1750 | return((Image *) NULL); |
| 1751 | } |
cristy | ea1a8aa | 2011-10-20 13:24:06 +0000 | [diff] [blame] | 1752 | (void) SetImageBackgroundColor(splice_image,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1753 | /* |
| 1754 | Respect image geometry. |
| 1755 | */ |
| 1756 | switch (image->gravity) |
| 1757 | { |
| 1758 | default: |
| 1759 | case UndefinedGravity: |
| 1760 | case NorthWestGravity: |
| 1761 | break; |
| 1762 | case NorthGravity: |
| 1763 | { |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1764 | splice_geometry.x+=(ssize_t) splice_geometry.width/2; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1765 | break; |
| 1766 | } |
| 1767 | case NorthEastGravity: |
| 1768 | { |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1769 | splice_geometry.x+=(ssize_t) splice_geometry.width; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1770 | break; |
| 1771 | } |
| 1772 | case WestGravity: |
| 1773 | { |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1774 | splice_geometry.y+=(ssize_t) splice_geometry.width/2; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1775 | break; |
| 1776 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1777 | case CenterGravity: |
| 1778 | { |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1779 | splice_geometry.x+=(ssize_t) splice_geometry.width/2; |
| 1780 | splice_geometry.y+=(ssize_t) splice_geometry.height/2; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1781 | break; |
| 1782 | } |
| 1783 | case EastGravity: |
| 1784 | { |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1785 | splice_geometry.x+=(ssize_t) splice_geometry.width; |
| 1786 | splice_geometry.y+=(ssize_t) splice_geometry.height/2; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1787 | break; |
| 1788 | } |
| 1789 | case SouthWestGravity: |
| 1790 | { |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1791 | splice_geometry.y+=(ssize_t) splice_geometry.height; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1792 | break; |
| 1793 | } |
| 1794 | case SouthGravity: |
| 1795 | { |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1796 | splice_geometry.x+=(ssize_t) splice_geometry.width/2; |
| 1797 | splice_geometry.y+=(ssize_t) splice_geometry.height; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1798 | break; |
| 1799 | } |
| 1800 | case SouthEastGravity: |
| 1801 | { |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1802 | splice_geometry.x+=(ssize_t) splice_geometry.width; |
| 1803 | splice_geometry.y+=(ssize_t) splice_geometry.height; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1804 | break; |
| 1805 | } |
| 1806 | } |
| 1807 | /* |
| 1808 | Splice image. |
| 1809 | */ |
| 1810 | status=MagickTrue; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1811 | progress=0; |
cristy | 46ff267 | 2012-12-14 15:32:26 +0000 | [diff] [blame] | 1812 | image_view=AcquireVirtualCacheView(image,exception); |
| 1813 | splice_view=AcquireAuthenticCacheView(splice_image,exception); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 1814 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | ac245f8 | 2012-05-05 17:13:57 +0000 | [diff] [blame] | 1815 | #pragma omp parallel for schedule(static,4) shared(progress,status) \ |
cristy | cb7dfcc | 2013-01-06 18:34:59 +0000 | [diff] [blame] | 1816 | magick_threads(image,splice_image,1,1) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1817 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1818 | for (y=0; y < (ssize_t) splice_geometry.y; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1819 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1820 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1821 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1822 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1823 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1824 | x; |
| 1825 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1826 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1827 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1828 | |
| 1829 | if (status == MagickFalse) |
| 1830 | continue; |
| 1831 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
| 1832 | q=QueueCacheViewAuthenticPixels(splice_view,0,y,splice_image->columns,1, |
| 1833 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1834 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1835 | { |
| 1836 | status=MagickFalse; |
| 1837 | continue; |
| 1838 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1839 | for (x=0; x < splice_geometry.x; x++) |
| 1840 | { |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1841 | register ssize_t |
| 1842 | i; |
| 1843 | |
cristy | 883fde1 | 2013-04-08 00:50:13 +0000 | [diff] [blame] | 1844 | if (GetPixelReadMask(image,p) == 0) |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 1845 | { |
cristy | c3a5802 | 2013-10-09 23:22:42 +0000 | [diff] [blame^] | 1846 | SetPixelBackgoundColor(splice_image,q); |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 1847 | p+=GetPixelChannels(image); |
| 1848 | q+=GetPixelChannels(splice_image); |
| 1849 | continue; |
| 1850 | } |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1851 | for (i=0; i < (ssize_t) GetPixelChannels(image); i++) |
| 1852 | { |
cristy | 5a23c55 | 2013-02-13 14:34:28 +0000 | [diff] [blame] | 1853 | PixelChannel channel=GetPixelChannelChannel(image,i); |
| 1854 | PixelTrait traits=GetPixelChannelTraits(image,channel); |
| 1855 | PixelTrait splice_traits=GetPixelChannelTraits(splice_image,channel); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1856 | if ((traits == UndefinedPixelTrait) || |
| 1857 | (splice_traits == UndefinedPixelTrait)) |
| 1858 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 1859 | SetPixelChannel(splice_image,channel,p[i],q); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1860 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1861 | p+=GetPixelChannels(image); |
| 1862 | q+=GetPixelChannels(splice_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1863 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1864 | for ( ; x < (ssize_t) (splice_geometry.x+splice_geometry.width); x++) |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1865 | q+=GetPixelChannels(splice_image); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1866 | for ( ; x < (ssize_t) splice_image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1867 | { |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1868 | register ssize_t |
| 1869 | i; |
| 1870 | |
cristy | 883fde1 | 2013-04-08 00:50:13 +0000 | [diff] [blame] | 1871 | if (GetPixelReadMask(image,p) == 0) |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 1872 | { |
cristy | c3a5802 | 2013-10-09 23:22:42 +0000 | [diff] [blame^] | 1873 | SetPixelBackgoundColor(splice_image,q); |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 1874 | p+=GetPixelChannels(image); |
| 1875 | q+=GetPixelChannels(splice_image); |
| 1876 | continue; |
| 1877 | } |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1878 | for (i=0; i < (ssize_t) GetPixelChannels(image); i++) |
| 1879 | { |
cristy | 5a23c55 | 2013-02-13 14:34:28 +0000 | [diff] [blame] | 1880 | PixelChannel channel=GetPixelChannelChannel(image,i); |
| 1881 | PixelTrait traits=GetPixelChannelTraits(image,channel); |
| 1882 | PixelTrait splice_traits=GetPixelChannelTraits(splice_image,channel); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1883 | if ((traits == UndefinedPixelTrait) || |
| 1884 | (splice_traits == UndefinedPixelTrait)) |
| 1885 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 1886 | SetPixelChannel(splice_image,channel,p[i],q); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1887 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1888 | p+=GetPixelChannels(image); |
| 1889 | q+=GetPixelChannels(splice_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1890 | } |
| 1891 | if (SyncCacheViewAuthenticPixels(splice_view,exception) == MagickFalse) |
| 1892 | status=MagickFalse; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1893 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 1894 | { |
| 1895 | MagickBooleanType |
| 1896 | proceed; |
| 1897 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 1898 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | a5ab7ad | 2012-01-21 23:49:58 +0000 | [diff] [blame] | 1899 | #pragma omp critical (MagickCore_TransposeImage) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1900 | #endif |
| 1901 | proceed=SetImageProgress(image,SpliceImageTag,progress++, |
| 1902 | splice_image->rows); |
| 1903 | if (proceed == MagickFalse) |
| 1904 | status=MagickFalse; |
| 1905 | } |
| 1906 | } |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 1907 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | ac245f8 | 2012-05-05 17:13:57 +0000 | [diff] [blame] | 1908 | #pragma omp parallel for schedule(static,4) shared(progress,status) \ |
cristy | cb7dfcc | 2013-01-06 18:34:59 +0000 | [diff] [blame] | 1909 | magick_threads(image,splice_image,1,1) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1910 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1911 | for (y=(ssize_t) (splice_geometry.y+splice_geometry.height); |
| 1912 | y < (ssize_t) splice_image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1913 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1914 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1915 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1916 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1917 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1918 | x; |
| 1919 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1920 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1921 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1922 | |
| 1923 | if (status == MagickFalse) |
| 1924 | continue; |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1925 | p=GetCacheViewVirtualPixels(image_view,0,y-(ssize_t) splice_geometry.height, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1926 | image->columns,1,exception); |
cristy | 13d0704 | 2010-11-21 20:56:18 +0000 | [diff] [blame] | 1927 | if ((y < 0) || (y >= (ssize_t) splice_image->rows)) |
cristy | 2224dcd | 2010-11-15 00:49:30 +0000 | [diff] [blame] | 1928 | continue; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1929 | q=QueueCacheViewAuthenticPixels(splice_view,0,y,splice_image->columns,1, |
| 1930 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1931 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1932 | { |
| 1933 | status=MagickFalse; |
| 1934 | continue; |
| 1935 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1936 | for (x=0; x < splice_geometry.x; x++) |
| 1937 | { |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1938 | register ssize_t |
| 1939 | i; |
| 1940 | |
cristy | 883fde1 | 2013-04-08 00:50:13 +0000 | [diff] [blame] | 1941 | if (GetPixelReadMask(image,q) == 0) |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 1942 | { |
cristy | c3a5802 | 2013-10-09 23:22:42 +0000 | [diff] [blame^] | 1943 | SetPixelBackgoundColor(splice_image,q); |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 1944 | p+=GetPixelChannels(image); |
| 1945 | q+=GetPixelChannels(splice_image); |
| 1946 | continue; |
| 1947 | } |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1948 | for (i=0; i < (ssize_t) GetPixelChannels(image); i++) |
| 1949 | { |
cristy | 5a23c55 | 2013-02-13 14:34:28 +0000 | [diff] [blame] | 1950 | PixelChannel channel=GetPixelChannelChannel(image,i); |
| 1951 | PixelTrait traits=GetPixelChannelTraits(image,channel); |
| 1952 | PixelTrait splice_traits=GetPixelChannelTraits(splice_image,channel); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1953 | if ((traits == UndefinedPixelTrait) || |
| 1954 | (splice_traits == UndefinedPixelTrait)) |
| 1955 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 1956 | SetPixelChannel(splice_image,channel,p[i],q); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1957 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1958 | p+=GetPixelChannels(image); |
| 1959 | q+=GetPixelChannels(splice_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1960 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1961 | for ( ; x < (ssize_t) (splice_geometry.x+splice_geometry.width); x++) |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1962 | q+=GetPixelChannels(splice_image); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1963 | for ( ; x < (ssize_t) splice_image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1964 | { |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1965 | register ssize_t |
| 1966 | i; |
| 1967 | |
cristy | 883fde1 | 2013-04-08 00:50:13 +0000 | [diff] [blame] | 1968 | if (GetPixelReadMask(image,q) == 0) |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 1969 | { |
cristy | c3a5802 | 2013-10-09 23:22:42 +0000 | [diff] [blame^] | 1970 | SetPixelBackgoundColor(splice_image,q); |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 1971 | p+=GetPixelChannels(image); |
| 1972 | q+=GetPixelChannels(splice_image); |
| 1973 | continue; |
| 1974 | } |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1975 | for (i=0; i < (ssize_t) GetPixelChannels(image); i++) |
| 1976 | { |
cristy | 5a23c55 | 2013-02-13 14:34:28 +0000 | [diff] [blame] | 1977 | PixelChannel channel=GetPixelChannelChannel(image,i); |
| 1978 | PixelTrait traits=GetPixelChannelTraits(image,channel); |
| 1979 | PixelTrait splice_traits=GetPixelChannelTraits(splice_image,channel); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1980 | if ((traits == UndefinedPixelTrait) || |
| 1981 | (splice_traits == UndefinedPixelTrait)) |
| 1982 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 1983 | SetPixelChannel(splice_image,channel,p[i],q); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1984 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1985 | p+=GetPixelChannels(image); |
| 1986 | q+=GetPixelChannels(splice_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1987 | } |
| 1988 | if (SyncCacheViewAuthenticPixels(splice_view,exception) == MagickFalse) |
| 1989 | status=MagickFalse; |
| 1990 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 1991 | { |
| 1992 | MagickBooleanType |
| 1993 | proceed; |
| 1994 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 1995 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | a5ab7ad | 2012-01-21 23:49:58 +0000 | [diff] [blame] | 1996 | #pragma omp critical (MagickCore_TransposeImage) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1997 | #endif |
| 1998 | proceed=SetImageProgress(image,SpliceImageTag,progress++, |
| 1999 | splice_image->rows); |
| 2000 | if (proceed == MagickFalse) |
| 2001 | status=MagickFalse; |
| 2002 | } |
| 2003 | } |
| 2004 | splice_view=DestroyCacheView(splice_view); |
| 2005 | image_view=DestroyCacheView(image_view); |
| 2006 | if (status == MagickFalse) |
| 2007 | splice_image=DestroyImage(splice_image); |
| 2008 | return(splice_image); |
| 2009 | } |
| 2010 | |
| 2011 | /* |
| 2012 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2013 | % % |
| 2014 | % % |
| 2015 | % % |
| 2016 | % T r a n s f o r m I m a g e % |
| 2017 | % % |
| 2018 | % % |
| 2019 | % % |
| 2020 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2021 | % |
| 2022 | % TransformImage() is a convenience method that behaves like ResizeImage() or |
| 2023 | % CropImage() but accepts scaling and/or cropping information as a region |
| 2024 | % geometry specification. If the operation fails, the original image handle |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 2025 | % is left as is. |
| 2026 | % |
| 2027 | % This should only be used for single images. |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2028 | % |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 2029 | % This function destroys what it assumes to be a single image list. |
| 2030 | % If the input image is part of a larger list, all other images in that list |
| 2031 | % will be simply 'lost', not destroyed. |
| 2032 | % |
| 2033 | % Also if the crop generates a list of images only the first image is resized. |
| 2034 | % And finally if the crop succeeds and the resize failed, you will get a |
| 2035 | % cropped image, as well as a 'false' or 'failed' report. |
| 2036 | % |
| 2037 | % This function and should probably be depreciated in favor of direct calls |
| 2038 | % to CropImageToTiles() or ResizeImage(), as appropriate. |
| 2039 | % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2040 | % The format of the TransformImage method is: |
| 2041 | % |
| 2042 | % MagickBooleanType TransformImage(Image **image,const char *crop_geometry, |
cristy | e941a75 | 2011-10-15 01:52:48 +0000 | [diff] [blame] | 2043 | % const char *image_geometry,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2044 | % |
| 2045 | % A description of each parameter follows: |
| 2046 | % |
| 2047 | % o image: the image The transformed image is returned as this parameter. |
| 2048 | % |
| 2049 | % o crop_geometry: A crop geometry string. This geometry defines a |
| 2050 | % subregion of the image to crop. |
| 2051 | % |
| 2052 | % o image_geometry: An image geometry string. This geometry defines the |
| 2053 | % final size of the image. |
| 2054 | % |
cristy | e941a75 | 2011-10-15 01:52:48 +0000 | [diff] [blame] | 2055 | % o exception: return any errors or warnings in this structure. |
| 2056 | % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2057 | */ |
| 2058 | MagickExport MagickBooleanType TransformImage(Image **image, |
cristy | e941a75 | 2011-10-15 01:52:48 +0000 | [diff] [blame] | 2059 | const char *crop_geometry,const char *image_geometry,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2060 | { |
| 2061 | Image |
| 2062 | *resize_image, |
| 2063 | *transform_image; |
| 2064 | |
| 2065 | MagickStatusType |
| 2066 | flags; |
| 2067 | |
| 2068 | RectangleInfo |
| 2069 | geometry; |
| 2070 | |
| 2071 | assert(image != (Image **) NULL); |
| 2072 | assert((*image)->signature == MagickSignature); |
| 2073 | if ((*image)->debug != MagickFalse) |
| 2074 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",(*image)->filename); |
| 2075 | transform_image=(*image); |
| 2076 | if (crop_geometry != (const char *) NULL) |
| 2077 | { |
| 2078 | Image |
| 2079 | *crop_image; |
| 2080 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2081 | /* |
| 2082 | Crop image to a user specified size. |
| 2083 | */ |
cristy | e941a75 | 2011-10-15 01:52:48 +0000 | [diff] [blame] | 2084 | crop_image=CropImageToTiles(*image,crop_geometry,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2085 | if (crop_image == (Image *) NULL) |
cristy | e941a75 | 2011-10-15 01:52:48 +0000 | [diff] [blame] | 2086 | transform_image=CloneImage(*image,0,0,MagickTrue,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2087 | else |
| 2088 | { |
| 2089 | transform_image=DestroyImage(transform_image); |
| 2090 | transform_image=GetFirstImageInList(crop_image); |
| 2091 | } |
| 2092 | *image=transform_image; |
| 2093 | } |
| 2094 | if (image_geometry == (const char *) NULL) |
| 2095 | return(MagickTrue); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 2096 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2097 | /* |
| 2098 | Scale image to a user specified size. |
| 2099 | */ |
cristy | e941a75 | 2011-10-15 01:52:48 +0000 | [diff] [blame] | 2100 | flags=ParseRegionGeometry(transform_image,image_geometry,&geometry,exception); |
cristy | 288b080 | 2011-03-28 13:05:34 +0000 | [diff] [blame] | 2101 | (void) flags; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2102 | if ((transform_image->columns == geometry.width) && |
| 2103 | (transform_image->rows == geometry.height)) |
| 2104 | return(MagickTrue); |
cristy | 15b98cd | 2010-09-12 19:42:50 +0000 | [diff] [blame] | 2105 | resize_image=ResizeImage(transform_image,geometry.width,geometry.height, |
cristy | aa2c16c | 2012-03-25 22:21:35 +0000 | [diff] [blame] | 2106 | transform_image->filter,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2107 | if (resize_image == (Image *) NULL) |
| 2108 | return(MagickFalse); |
| 2109 | transform_image=DestroyImage(transform_image); |
| 2110 | transform_image=resize_image; |
| 2111 | *image=transform_image; |
| 2112 | return(MagickTrue); |
| 2113 | } |
| 2114 | |
| 2115 | /* |
| 2116 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2117 | % % |
| 2118 | % % |
| 2119 | % % |
| 2120 | % T r a n s f o r m I m a g e s % |
| 2121 | % % |
| 2122 | % % |
anthony | bdaa5b3 | 2010-12-10 13:06:46 +0000 | [diff] [blame] | 2123 | % % |
| 2124 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2125 | % |
| 2126 | % TransformImages() calls TransformImage() on each image of a sequence. |
| 2127 | % |
| 2128 | % The format of the TransformImage method is: |
| 2129 | % |
| 2130 | % MagickBooleanType TransformImages(Image **image, |
cristy | e941a75 | 2011-10-15 01:52:48 +0000 | [diff] [blame] | 2131 | % const char *crop_geometry,const char *image_geometry, |
| 2132 | % ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2133 | % |
| 2134 | % A description of each parameter follows: |
| 2135 | % |
| 2136 | % o image: the image The transformed image is returned as this parameter. |
| 2137 | % |
| 2138 | % o crop_geometry: A crop geometry string. This geometry defines a |
| 2139 | % subregion of the image to crop. |
| 2140 | % |
| 2141 | % o image_geometry: An image geometry string. This geometry defines the |
| 2142 | % final size of the image. |
| 2143 | % |
cristy | e941a75 | 2011-10-15 01:52:48 +0000 | [diff] [blame] | 2144 | % o exception: return any errors or warnings in this structure. |
| 2145 | % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2146 | */ |
| 2147 | MagickExport MagickBooleanType TransformImages(Image **images, |
cristy | e941a75 | 2011-10-15 01:52:48 +0000 | [diff] [blame] | 2148 | const char *crop_geometry,const char *image_geometry,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2149 | { |
| 2150 | Image |
| 2151 | *image, |
| 2152 | **image_list, |
| 2153 | *transform_images; |
| 2154 | |
| 2155 | MagickStatusType |
| 2156 | status; |
| 2157 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2158 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2159 | i; |
| 2160 | |
| 2161 | assert(images != (Image **) NULL); |
| 2162 | assert((*images)->signature == MagickSignature); |
| 2163 | if ((*images)->debug != MagickFalse) |
| 2164 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", |
| 2165 | (*images)->filename); |
cristy | e941a75 | 2011-10-15 01:52:48 +0000 | [diff] [blame] | 2166 | image_list=ImageListToArray(*images,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2167 | if (image_list == (Image **) NULL) |
| 2168 | return(MagickFalse); |
| 2169 | status=MagickTrue; |
| 2170 | transform_images=NewImageList(); |
| 2171 | for (i=0; image_list[i] != (Image *) NULL; i++) |
| 2172 | { |
| 2173 | image=image_list[i]; |
cristy | aae13f6 | 2013-08-15 14:41:32 +0000 | [diff] [blame] | 2174 | status&=TransformImage(&image,crop_geometry,image_geometry,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2175 | AppendImageToList(&transform_images,image); |
| 2176 | } |
| 2177 | *images=transform_images; |
| 2178 | image_list=(Image **) RelinquishMagickMemory(image_list); |
| 2179 | return(status != 0 ? MagickTrue : MagickFalse); |
| 2180 | } |
| 2181 | |
| 2182 | /* |
| 2183 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2184 | % % |
| 2185 | % % |
| 2186 | % % |
| 2187 | % T r a n s p o s e I m a g e % |
| 2188 | % % |
| 2189 | % % |
| 2190 | % % |
| 2191 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2192 | % |
| 2193 | % TransposeImage() creates a horizontal mirror image by reflecting the pixels |
| 2194 | % around the central y-axis while rotating them by 90 degrees. |
| 2195 | % |
| 2196 | % The format of the TransposeImage method is: |
| 2197 | % |
| 2198 | % Image *TransposeImage(const Image *image,ExceptionInfo *exception) |
| 2199 | % |
| 2200 | % A description of each parameter follows: |
| 2201 | % |
| 2202 | % o image: the image. |
| 2203 | % |
| 2204 | % o exception: return any errors or warnings in this structure. |
| 2205 | % |
| 2206 | */ |
| 2207 | MagickExport Image *TransposeImage(const Image *image,ExceptionInfo *exception) |
| 2208 | { |
| 2209 | #define TransposeImageTag "Transpose/Image" |
| 2210 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 2211 | CacheView |
| 2212 | *image_view, |
| 2213 | *transpose_view; |
| 2214 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2215 | Image |
| 2216 | *transpose_image; |
| 2217 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2218 | MagickBooleanType |
| 2219 | status; |
| 2220 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2221 | MagickOffsetType |
| 2222 | progress; |
| 2223 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2224 | RectangleInfo |
| 2225 | page; |
| 2226 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2227 | ssize_t |
| 2228 | y; |
| 2229 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2230 | assert(image != (const Image *) NULL); |
| 2231 | assert(image->signature == MagickSignature); |
| 2232 | if (image->debug != MagickFalse) |
| 2233 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 2234 | assert(exception != (ExceptionInfo *) NULL); |
| 2235 | assert(exception->signature == MagickSignature); |
| 2236 | transpose_image=CloneImage(image,image->rows,image->columns,MagickTrue, |
| 2237 | exception); |
| 2238 | if (transpose_image == (Image *) NULL) |
| 2239 | return((Image *) NULL); |
| 2240 | /* |
| 2241 | Transpose image. |
| 2242 | */ |
| 2243 | status=MagickTrue; |
| 2244 | progress=0; |
cristy | 46ff267 | 2012-12-14 15:32:26 +0000 | [diff] [blame] | 2245 | image_view=AcquireVirtualCacheView(image,exception); |
| 2246 | transpose_view=AcquireAuthenticCacheView(transpose_image,exception); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 2247 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | ac245f8 | 2012-05-05 17:13:57 +0000 | [diff] [blame] | 2248 | #pragma omp parallel for schedule(static,4) shared(progress,status) \ |
cristy | 5e6b259 | 2012-12-19 14:08:11 +0000 | [diff] [blame] | 2249 | magick_threads(image,transpose_image,image->rows,1) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2250 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2251 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2252 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2253 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 2254 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2255 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2256 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 2257 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2258 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2259 | register ssize_t |
| 2260 | x; |
| 2261 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2262 | if (status == MagickFalse) |
| 2263 | continue; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2264 | p=GetCacheViewVirtualPixels(image_view,0,(ssize_t) image->rows-y-1, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2265 | image->columns,1,exception); |
cristy | 9af9b5d | 2010-08-15 17:04:28 +0000 | [diff] [blame] | 2266 | q=QueueCacheViewAuthenticPixels(transpose_view,(ssize_t) (image->rows-y-1), |
| 2267 | 0,1,transpose_image->rows,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2268 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2269 | { |
| 2270 | status=MagickFalse; |
| 2271 | continue; |
| 2272 | } |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2273 | for (x=0; x < (ssize_t) image->columns; x++) |
| 2274 | { |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 2275 | register ssize_t |
| 2276 | i; |
| 2277 | |
cristy | 883fde1 | 2013-04-08 00:50:13 +0000 | [diff] [blame] | 2278 | if (GetPixelReadMask(image,q) == 0) |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 2279 | { |
cristy | c3a5802 | 2013-10-09 23:22:42 +0000 | [diff] [blame^] | 2280 | SetPixelBackgoundColor(transpose_image,q); |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 2281 | p+=GetPixelChannels(image); |
| 2282 | q+=GetPixelChannels(transpose_image); |
| 2283 | continue; |
| 2284 | } |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 2285 | for (i=0; i < (ssize_t) GetPixelChannels(image); i++) |
| 2286 | { |
cristy | 5a23c55 | 2013-02-13 14:34:28 +0000 | [diff] [blame] | 2287 | PixelChannel channel=GetPixelChannelChannel(image,i); |
| 2288 | PixelTrait traits=GetPixelChannelTraits(image,channel); |
| 2289 | PixelTrait transpose_traits=GetPixelChannelTraits(transpose_image, |
| 2290 | channel); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 2291 | if ((traits == UndefinedPixelTrait) || |
| 2292 | (transpose_traits == UndefinedPixelTrait)) |
| 2293 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 2294 | SetPixelChannel(transpose_image,channel,p[i],q); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 2295 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 2296 | p+=GetPixelChannels(image); |
| 2297 | q+=GetPixelChannels(transpose_image); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2298 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2299 | if (SyncCacheViewAuthenticPixels(transpose_view,exception) == MagickFalse) |
| 2300 | status=MagickFalse; |
| 2301 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 2302 | { |
| 2303 | MagickBooleanType |
| 2304 | proceed; |
| 2305 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 2306 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | a5ab7ad | 2012-01-21 23:49:58 +0000 | [diff] [blame] | 2307 | #pragma omp critical (MagickCore_TransposeImage) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2308 | #endif |
| 2309 | proceed=SetImageProgress(image,TransposeImageTag,progress++, |
| 2310 | image->rows); |
| 2311 | if (proceed == MagickFalse) |
| 2312 | status=MagickFalse; |
| 2313 | } |
| 2314 | } |
| 2315 | transpose_view=DestroyCacheView(transpose_view); |
| 2316 | image_view=DestroyCacheView(image_view); |
| 2317 | transpose_image->type=image->type; |
| 2318 | page=transpose_image->page; |
| 2319 | Swap(page.width,page.height); |
| 2320 | Swap(page.x,page.y); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2321 | transpose_image->page=page; |
| 2322 | if (status == MagickFalse) |
| 2323 | transpose_image=DestroyImage(transpose_image); |
| 2324 | return(transpose_image); |
| 2325 | } |
| 2326 | |
| 2327 | /* |
| 2328 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2329 | % % |
| 2330 | % % |
| 2331 | % % |
| 2332 | % T r a n s v e r s e I m a g e % |
| 2333 | % % |
| 2334 | % % |
| 2335 | % % |
| 2336 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2337 | % |
| 2338 | % TransverseImage() creates a vertical mirror image by reflecting the pixels |
| 2339 | % around the central x-axis while rotating them by 270 degrees. |
| 2340 | % |
| 2341 | % The format of the TransverseImage method is: |
| 2342 | % |
| 2343 | % Image *TransverseImage(const Image *image,ExceptionInfo *exception) |
| 2344 | % |
| 2345 | % A description of each parameter follows: |
| 2346 | % |
| 2347 | % o image: the image. |
| 2348 | % |
| 2349 | % o exception: return any errors or warnings in this structure. |
| 2350 | % |
| 2351 | */ |
| 2352 | MagickExport Image *TransverseImage(const Image *image,ExceptionInfo *exception) |
| 2353 | { |
| 2354 | #define TransverseImageTag "Transverse/Image" |
| 2355 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 2356 | CacheView |
| 2357 | *image_view, |
| 2358 | *transverse_view; |
| 2359 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2360 | Image |
| 2361 | *transverse_image; |
| 2362 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2363 | MagickBooleanType |
| 2364 | status; |
| 2365 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2366 | MagickOffsetType |
| 2367 | progress; |
| 2368 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2369 | RectangleInfo |
| 2370 | page; |
| 2371 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2372 | ssize_t |
| 2373 | y; |
| 2374 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2375 | assert(image != (const Image *) NULL); |
| 2376 | assert(image->signature == MagickSignature); |
| 2377 | if (image->debug != MagickFalse) |
| 2378 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 2379 | assert(exception != (ExceptionInfo *) NULL); |
| 2380 | assert(exception->signature == MagickSignature); |
| 2381 | transverse_image=CloneImage(image,image->rows,image->columns,MagickTrue, |
| 2382 | exception); |
| 2383 | if (transverse_image == (Image *) NULL) |
| 2384 | return((Image *) NULL); |
| 2385 | /* |
| 2386 | Transverse image. |
| 2387 | */ |
| 2388 | status=MagickTrue; |
| 2389 | progress=0; |
cristy | 46ff267 | 2012-12-14 15:32:26 +0000 | [diff] [blame] | 2390 | image_view=AcquireVirtualCacheView(image,exception); |
| 2391 | transverse_view=AcquireAuthenticCacheView(transverse_image,exception); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 2392 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | ac245f8 | 2012-05-05 17:13:57 +0000 | [diff] [blame] | 2393 | #pragma omp parallel for schedule(static,4) shared(progress,status) \ |
cristy | 5e6b259 | 2012-12-19 14:08:11 +0000 | [diff] [blame] | 2394 | magick_threads(image,transverse_image,image->rows,1) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2395 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2396 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2397 | { |
| 2398 | MagickBooleanType |
| 2399 | sync; |
| 2400 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2401 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 2402 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2403 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2404 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 2405 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2406 | |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 2407 | register ssize_t |
| 2408 | x; |
| 2409 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2410 | if (status == MagickFalse) |
| 2411 | continue; |
| 2412 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 2413 | q=QueueCacheViewAuthenticPixels(transverse_view,(ssize_t) (image->rows-y-1), |
| 2414 | 0,1,transverse_image->rows,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2415 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2416 | { |
| 2417 | status=MagickFalse; |
| 2418 | continue; |
| 2419 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 2420 | q+=GetPixelChannels(transverse_image)*image->columns; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2421 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2422 | { |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 2423 | register ssize_t |
| 2424 | i; |
| 2425 | |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 2426 | q-=GetPixelChannels(transverse_image); |
cristy | 883fde1 | 2013-04-08 00:50:13 +0000 | [diff] [blame] | 2427 | if (GetPixelReadMask(image,p) == 0) |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 2428 | { |
| 2429 | p+=GetPixelChannels(image); |
| 2430 | continue; |
| 2431 | } |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 2432 | for (i=0; i < (ssize_t) GetPixelChannels(image); i++) |
| 2433 | { |
cristy | 5a23c55 | 2013-02-13 14:34:28 +0000 | [diff] [blame] | 2434 | PixelChannel channel=GetPixelChannelChannel(image,i); |
| 2435 | PixelTrait traits=GetPixelChannelTraits(image,channel); |
| 2436 | PixelTrait transverse_traits=GetPixelChannelTraits(transverse_image, |
| 2437 | channel); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 2438 | if ((traits == UndefinedPixelTrait) || |
| 2439 | (transverse_traits == UndefinedPixelTrait)) |
| 2440 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 2441 | SetPixelChannel(transverse_image,channel,p[i],q); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 2442 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 2443 | p+=GetPixelChannels(image); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2444 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2445 | sync=SyncCacheViewAuthenticPixels(transverse_view,exception); |
| 2446 | if (sync == MagickFalse) |
| 2447 | status=MagickFalse; |
| 2448 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 2449 | { |
| 2450 | MagickBooleanType |
| 2451 | proceed; |
| 2452 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 2453 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | a5ab7ad | 2012-01-21 23:49:58 +0000 | [diff] [blame] | 2454 | #pragma omp critical (MagickCore_TransverseImage) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2455 | #endif |
| 2456 | proceed=SetImageProgress(image,TransverseImageTag,progress++, |
| 2457 | image->rows); |
| 2458 | if (proceed == MagickFalse) |
| 2459 | status=MagickFalse; |
| 2460 | } |
| 2461 | } |
| 2462 | transverse_view=DestroyCacheView(transverse_view); |
| 2463 | image_view=DestroyCacheView(image_view); |
| 2464 | transverse_image->type=image->type; |
| 2465 | page=transverse_image->page; |
| 2466 | Swap(page.width,page.height); |
| 2467 | Swap(page.x,page.y); |
anthony | bdaa5b3 | 2010-12-10 13:06:46 +0000 | [diff] [blame] | 2468 | if (page.width != 0) |
| 2469 | page.x=(ssize_t) (page.width-transverse_image->columns-page.x); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2470 | if (page.height != 0) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2471 | page.y=(ssize_t) (page.height-transverse_image->rows-page.y); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2472 | transverse_image->page=page; |
| 2473 | if (status == MagickFalse) |
| 2474 | transverse_image=DestroyImage(transverse_image); |
| 2475 | return(transverse_image); |
| 2476 | } |
| 2477 | |
| 2478 | /* |
| 2479 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2480 | % % |
| 2481 | % % |
| 2482 | % % |
| 2483 | % T r i m I m a g e % |
| 2484 | % % |
| 2485 | % % |
| 2486 | % % |
| 2487 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2488 | % |
| 2489 | % TrimImage() trims pixels from the image edges. It allocates the memory |
| 2490 | % necessary for the new Image structure and returns a pointer to the new |
| 2491 | % image. |
| 2492 | % |
| 2493 | % The format of the TrimImage method is: |
| 2494 | % |
| 2495 | % Image *TrimImage(const Image *image,ExceptionInfo *exception) |
| 2496 | % |
| 2497 | % A description of each parameter follows: |
| 2498 | % |
| 2499 | % o image: the image. |
| 2500 | % |
| 2501 | % o exception: return any errors or warnings in this structure. |
| 2502 | % |
| 2503 | */ |
| 2504 | MagickExport Image *TrimImage(const Image *image,ExceptionInfo *exception) |
| 2505 | { |
| 2506 | RectangleInfo |
| 2507 | geometry; |
| 2508 | |
| 2509 | assert(image != (const Image *) NULL); |
| 2510 | assert(image->signature == MagickSignature); |
| 2511 | if (image->debug != MagickFalse) |
| 2512 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 2513 | geometry=GetImageBoundingBox(image,exception); |
| 2514 | if ((geometry.width == 0) || (geometry.height == 0)) |
| 2515 | { |
| 2516 | Image |
| 2517 | *crop_image; |
| 2518 | |
| 2519 | crop_image=CloneImage(image,1,1,MagickTrue,exception); |
| 2520 | if (crop_image == (Image *) NULL) |
| 2521 | return((Image *) NULL); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2522 | crop_image->background_color.alpha=(Quantum) TransparentAlpha; |
cristy | 6d94a30 | 2013-03-01 00:47:47 +0000 | [diff] [blame] | 2523 | crop_image->alpha_trait=BlendPixelTrait; |
cristy | ea1a8aa | 2011-10-20 13:24:06 +0000 | [diff] [blame] | 2524 | (void) SetImageBackgroundColor(crop_image,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2525 | crop_image->page=image->page; |
| 2526 | crop_image->page.x=(-1); |
| 2527 | crop_image->page.y=(-1); |
| 2528 | return(crop_image); |
| 2529 | } |
| 2530 | geometry.x+=image->page.x; |
| 2531 | geometry.y+=image->page.y; |
| 2532 | return(CropImage(image,&geometry,exception)); |
| 2533 | } |