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 | 16af1cb | 2009-12-11 21:38:29 +0000 | [diff] [blame] | 20 | % Copyright 1999-2010 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 | */ |
| 42 | #include "magick/studio.h" |
cristy | 5a2ca48 | 2009-10-14 18:24:56 +0000 | [diff] [blame] | 43 | #include "magick/attribute.h" |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 44 | #include "magick/cache.h" |
| 45 | #include "magick/cache-view.h" |
| 46 | #include "magick/color.h" |
| 47 | #include "magick/color-private.h" |
| 48 | #include "magick/colorspace-private.h" |
| 49 | #include "magick/composite.h" |
cristy | 508d931 | 2010-02-10 21:10:30 +0000 | [diff] [blame] | 50 | #include "magick/draw.h" |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 51 | #include "magick/effect.h" |
| 52 | #include "magick/exception.h" |
| 53 | #include "magick/exception-private.h" |
| 54 | #include "magick/geometry.h" |
| 55 | #include "magick/image.h" |
| 56 | #include "magick/memory_.h" |
| 57 | #include "magick/layer.h" |
| 58 | #include "magick/list.h" |
| 59 | #include "magick/monitor.h" |
| 60 | #include "magick/monitor-private.h" |
| 61 | #include "magick/pixel-private.h" |
| 62 | #include "magick/resource_.h" |
| 63 | #include "magick/resize.h" |
| 64 | #include "magick/statistic.h" |
| 65 | #include "magick/string_.h" |
cristy | 09d8117 | 2010-10-21 16:15:05 +0000 | [diff] [blame] | 66 | #include "magick/thread-private.h" |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 67 | #include "magick/transform.h" |
| 68 | |
| 69 | /* |
| 70 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 71 | % % |
| 72 | % % |
| 73 | % % |
| 74 | % C h o p I m a g e % |
| 75 | % % |
| 76 | % % |
| 77 | % % |
| 78 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 79 | % |
cristy | 00f9537 | 2010-02-13 16:39:29 +0000 | [diff] [blame] | 80 | % ChopImage() removes a region of an image and collapses the image to occupy |
| 81 | % the removed portion. |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 82 | % |
| 83 | % The format of the ChopImage method is: |
| 84 | % |
| 85 | % Image *ChopImage(const Image *image,const RectangleInfo *chop_info) |
| 86 | % ExceptionInfo *exception) |
| 87 | % |
| 88 | % A description of each parameter follows: |
| 89 | % |
| 90 | % o image: the image. |
| 91 | % |
| 92 | % o chop_info: Define the region of the image to chop. |
| 93 | % |
| 94 | % o exception: return any errors or warnings in this structure. |
| 95 | % |
| 96 | */ |
| 97 | MagickExport Image *ChopImage(const Image *image,const RectangleInfo *chop_info, |
| 98 | ExceptionInfo *exception) |
| 99 | { |
| 100 | #define ChopImageTag "Chop/Image" |
| 101 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 102 | CacheView |
| 103 | *chop_view, |
| 104 | *image_view; |
| 105 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 106 | Image |
| 107 | *chop_image; |
| 108 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 109 | ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 110 | y; |
| 111 | |
| 112 | MagickBooleanType |
cristy | 00f9537 | 2010-02-13 16:39:29 +0000 | [diff] [blame] | 113 | status; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 114 | |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 115 | MagickOffsetType |
| 116 | progress; |
| 117 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 118 | RectangleInfo |
| 119 | extent; |
| 120 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 121 | /* |
| 122 | Check chop geometry. |
| 123 | */ |
| 124 | assert(image != (const Image *) NULL); |
| 125 | assert(image->signature == MagickSignature); |
| 126 | if (image->debug != MagickFalse) |
| 127 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 128 | assert(exception != (ExceptionInfo *) NULL); |
| 129 | assert(exception->signature == MagickSignature); |
| 130 | assert(chop_info != (RectangleInfo *) NULL); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 131 | if (((chop_info->x+(ssize_t) chop_info->width) < 0) || |
| 132 | ((chop_info->y+(ssize_t) chop_info->height) < 0) || |
| 133 | (chop_info->x > (ssize_t) image->columns) || |
| 134 | (chop_info->y > (ssize_t) image->rows)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 135 | ThrowImageException(OptionWarning,"GeometryDoesNotContainImage"); |
| 136 | extent=(*chop_info); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 137 | if ((extent.x+(ssize_t) extent.width) > (ssize_t) image->columns) |
| 138 | extent.width=(size_t) ((ssize_t) image->columns-extent.x); |
| 139 | if ((extent.y+(ssize_t) extent.height) > (ssize_t) image->rows) |
| 140 | extent.height=(size_t) ((ssize_t) image->rows-extent.y); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 141 | if (extent.x < 0) |
| 142 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 143 | extent.width-=(size_t) (-extent.x); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 144 | extent.x=0; |
| 145 | } |
| 146 | if (extent.y < 0) |
| 147 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 148 | extent.height-=(size_t) (-extent.y); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 149 | extent.y=0; |
| 150 | } |
| 151 | chop_image=CloneImage(image,image->columns-extent.width,image->rows- |
| 152 | extent.height,MagickTrue,exception); |
| 153 | if (chop_image == (Image *) NULL) |
| 154 | return((Image *) NULL); |
| 155 | /* |
| 156 | Extract chop image. |
| 157 | */ |
cristy | 00f9537 | 2010-02-13 16:39:29 +0000 | [diff] [blame] | 158 | status=MagickTrue; |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 159 | progress=0; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 160 | image_view=AcquireCacheView(image); |
| 161 | chop_view=AcquireCacheView(chop_image); |
cristy | 2224dcd | 2010-11-15 00:49:30 +0000 | [diff] [blame] | 162 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 163 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) omp_throttle(1) |
cristy | 09d8117 | 2010-10-21 16:15:05 +0000 | [diff] [blame] | 164 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 165 | for (y=0; y < (ssize_t) extent.y; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 166 | { |
| 167 | register const PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 168 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 169 | |
| 170 | register IndexPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 171 | *restrict chop_indexes, |
| 172 | *restrict indexes; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 173 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 174 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 175 | x; |
| 176 | |
| 177 | register PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 178 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 179 | |
cristy | 00f9537 | 2010-02-13 16:39:29 +0000 | [diff] [blame] | 180 | if (status == MagickFalse) |
| 181 | continue; |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 182 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
| 183 | q=QueueCacheViewAuthenticPixels(chop_view,0,y,chop_image->columns,1, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 184 | exception); |
| 185 | if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) |
cristy | 00f9537 | 2010-02-13 16:39:29 +0000 | [diff] [blame] | 186 | { |
| 187 | status=MagickFalse; |
| 188 | continue; |
| 189 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 190 | indexes=GetCacheViewAuthenticIndexQueue(image_view); |
| 191 | chop_indexes=GetCacheViewAuthenticIndexQueue(chop_view); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 192 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 193 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 194 | if ((x < extent.x) || (x >= (ssize_t) (extent.x+extent.width))) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 195 | { |
| 196 | *q=(*p); |
| 197 | if (indexes != (IndexPacket *) NULL) |
| 198 | { |
| 199 | if (chop_indexes != (IndexPacket *) NULL) |
| 200 | *chop_indexes++=indexes[x]; |
| 201 | } |
| 202 | q++; |
| 203 | } |
| 204 | p++; |
| 205 | } |
| 206 | if (SyncCacheViewAuthenticPixels(chop_view,exception) == MagickFalse) |
cristy | 00f9537 | 2010-02-13 16:39:29 +0000 | [diff] [blame] | 207 | status=MagickFalse; |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 208 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 209 | { |
| 210 | MagickBooleanType |
| 211 | proceed; |
| 212 | |
cristy | 2224dcd | 2010-11-15 00:49:30 +0000 | [diff] [blame] | 213 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 214 | #pragma omp critical (MagickCore_ChopImage) |
| 215 | #endif |
| 216 | proceed=SetImageProgress(image,ChopImageTag,progress++,image->rows); |
| 217 | if (proceed == MagickFalse) |
| 218 | status=MagickFalse; |
| 219 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 220 | } |
| 221 | /* |
| 222 | Extract chop image. |
| 223 | */ |
cristy | 2224dcd | 2010-11-15 00:49:30 +0000 | [diff] [blame] | 224 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 225 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) omp_throttle(1) |
cristy | 09d8117 | 2010-10-21 16:15:05 +0000 | [diff] [blame] | 226 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 227 | for (y=0; y < (ssize_t) (image->rows-(extent.y+extent.height)); y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 228 | { |
| 229 | register const PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 230 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 231 | |
| 232 | register IndexPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 233 | *restrict chop_indexes, |
| 234 | *restrict indexes; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 235 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 236 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 237 | x; |
| 238 | |
| 239 | register PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 240 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 241 | |
cristy | 00f9537 | 2010-02-13 16:39:29 +0000 | [diff] [blame] | 242 | if (status == MagickFalse) |
| 243 | continue; |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 244 | p=GetCacheViewVirtualPixels(image_view,0,extent.y+extent.height+y, |
| 245 | image->columns,1,exception); |
| 246 | q=QueueCacheViewAuthenticPixels(chop_view,0,extent.y+y,chop_image->columns, |
| 247 | 1,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 248 | if ((p == (PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) |
cristy | 00f9537 | 2010-02-13 16:39:29 +0000 | [diff] [blame] | 249 | { |
| 250 | status=MagickFalse; |
| 251 | continue; |
| 252 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 253 | indexes=GetCacheViewAuthenticIndexQueue(image_view); |
| 254 | chop_indexes=GetCacheViewAuthenticIndexQueue(chop_view); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 255 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 256 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 257 | if ((x < extent.x) || (x >= (ssize_t) (extent.x+extent.width))) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 258 | { |
| 259 | *q=(*p); |
| 260 | if (indexes != (IndexPacket *) NULL) |
| 261 | { |
| 262 | if (chop_indexes != (IndexPacket *) NULL) |
| 263 | *chop_indexes++=indexes[x]; |
| 264 | } |
| 265 | q++; |
| 266 | } |
| 267 | p++; |
| 268 | } |
| 269 | if (SyncCacheViewAuthenticPixels(chop_view,exception) == MagickFalse) |
cristy | 00f9537 | 2010-02-13 16:39:29 +0000 | [diff] [blame] | 270 | status=MagickFalse; |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 271 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 272 | { |
| 273 | MagickBooleanType |
| 274 | proceed; |
| 275 | |
cristy | 2224dcd | 2010-11-15 00:49:30 +0000 | [diff] [blame] | 276 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 277 | #pragma omp critical (MagickCore_ChopImage) |
| 278 | #endif |
| 279 | proceed=SetImageProgress(image,ChopImageTag,progress++,image->rows); |
| 280 | if (proceed == MagickFalse) |
| 281 | status=MagickFalse; |
| 282 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 283 | } |
| 284 | chop_view=DestroyCacheView(chop_view); |
| 285 | image_view=DestroyCacheView(image_view); |
| 286 | chop_image->type=image->type; |
| 287 | return(chop_image); |
| 288 | } |
| 289 | |
| 290 | /* |
| 291 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 292 | % % |
| 293 | % % |
| 294 | % % |
| 295 | + C o n s o l i d a t e C M Y K I m a g e % |
| 296 | % % |
| 297 | % % |
| 298 | % % |
| 299 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 300 | % |
| 301 | % ConsolidateCMYKImage() consolidates separate C, M, Y, and K planes into a |
| 302 | % single image. |
| 303 | % |
| 304 | % The format of the ConsolidateCMYKImage method is: |
| 305 | % |
| 306 | % Image *ConsolidateCMYKImage(const Image *image,ExceptionInfo *exception) |
| 307 | % |
| 308 | % A description of each parameter follows: |
| 309 | % |
| 310 | % o image: the image sequence. |
| 311 | % |
| 312 | % o exception: return any errors or warnings in this structure. |
| 313 | % |
| 314 | */ |
| 315 | MagickExport Image *ConsolidateCMYKImages(const Image *images, |
| 316 | ExceptionInfo *exception) |
| 317 | { |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 318 | CacheView |
| 319 | *cmyk_view, |
| 320 | *image_view; |
cristy | 2224dcd | 2010-11-15 00:49:30 +0000 | [diff] [blame] | 321 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 322 | Image |
| 323 | *cmyk_image, |
| 324 | *cmyk_images; |
| 325 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 326 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 327 | i; |
| 328 | |
cristy | 2224dcd | 2010-11-15 00:49:30 +0000 | [diff] [blame] | 329 | ssize_t |
| 330 | y; |
| 331 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 332 | /* |
| 333 | Consolidate separate C, M, Y, and K planes into a single image. |
| 334 | */ |
| 335 | assert(images != (Image *) NULL); |
| 336 | assert(images->signature == MagickSignature); |
| 337 | if (images->debug != MagickFalse) |
| 338 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename); |
| 339 | assert(exception != (ExceptionInfo *) NULL); |
| 340 | assert(exception->signature == MagickSignature); |
| 341 | cmyk_images=NewImageList(); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 342 | for (i=0; i < (ssize_t) GetImageListLength(images); i+=4) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 343 | { |
| 344 | cmyk_image=CloneImage(images,images->columns,images->rows,MagickTrue, |
| 345 | exception); |
| 346 | if (cmyk_image == (Image *) NULL) |
| 347 | break; |
| 348 | if (SetImageStorageClass(cmyk_image,DirectClass) == MagickFalse) |
| 349 | break; |
| 350 | (void) SetImageColorspace(cmyk_image,CMYKColorspace); |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 351 | image_view=AcquireCacheView(images); |
| 352 | cmyk_view=AcquireCacheView(cmyk_image); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 353 | for (y=0; y < (ssize_t) images->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 354 | { |
| 355 | register const PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 356 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 357 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 358 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 359 | x; |
| 360 | |
| 361 | register PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 362 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 363 | |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 364 | p=GetCacheViewVirtualPixels(image_view,0,y,images->columns,1,exception); |
| 365 | q=QueueCacheViewAuthenticPixels(cmyk_view,0,y,cmyk_image->columns,1, |
| 366 | exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 367 | if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) |
| 368 | break; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 369 | for (x=0; x < (ssize_t) images->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 370 | { |
| 371 | q->red=(Quantum) (QuantumRange-PixelIntensityToQuantum(p)); |
| 372 | p++; |
| 373 | q++; |
| 374 | } |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 375 | if (SyncCacheViewAuthenticPixels(cmyk_view,exception) == MagickFalse) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 376 | break; |
| 377 | } |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 378 | cmyk_view=DestroyCacheView(cmyk_view); |
| 379 | image_view=DestroyCacheView(image_view); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 380 | images=GetNextImageInList(images); |
| 381 | if (images == (Image *) NULL) |
| 382 | break; |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 383 | image_view=AcquireCacheView(images); |
| 384 | cmyk_view=AcquireCacheView(cmyk_image); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 385 | for (y=0; y < (ssize_t) images->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 386 | { |
| 387 | register const PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 388 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 389 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 390 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 391 | x; |
| 392 | |
| 393 | register PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 394 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 395 | |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 396 | p=GetCacheViewVirtualPixels(image_view,0,y,images->columns,1,exception); |
| 397 | q=GetCacheViewAuthenticPixels(cmyk_view,0,y,cmyk_image->columns,1, |
| 398 | exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 399 | if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) |
| 400 | break; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 401 | for (x=0; x < (ssize_t) images->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 402 | { |
| 403 | q->green=(Quantum) (QuantumRange-PixelIntensityToQuantum(p)); |
| 404 | p++; |
| 405 | q++; |
| 406 | } |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 407 | if (SyncCacheViewAuthenticPixels(cmyk_view,exception) == MagickFalse) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 408 | break; |
| 409 | } |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 410 | cmyk_view=DestroyCacheView(cmyk_view); |
| 411 | image_view=DestroyCacheView(image_view); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 412 | images=GetNextImageInList(images); |
| 413 | if (images == (Image *) NULL) |
| 414 | break; |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 415 | image_view=AcquireCacheView(images); |
| 416 | cmyk_view=AcquireCacheView(cmyk_image); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 417 | for (y=0; y < (ssize_t) images->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 418 | { |
| 419 | register const PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 420 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 421 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 422 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 423 | x; |
| 424 | |
| 425 | register PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 426 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 427 | |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 428 | p=GetCacheViewVirtualPixels(image_view,0,y,images->columns,1,exception); |
| 429 | q=GetCacheViewAuthenticPixels(cmyk_view,0,y,cmyk_image->columns,1, |
| 430 | exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 431 | if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) |
| 432 | break; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 433 | for (x=0; x < (ssize_t) images->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 434 | { |
| 435 | q->blue=(Quantum) (QuantumRange-PixelIntensityToQuantum(p)); |
| 436 | p++; |
| 437 | q++; |
| 438 | } |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 439 | if (SyncCacheViewAuthenticPixels(cmyk_view,exception) == MagickFalse) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 440 | break; |
| 441 | } |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 442 | cmyk_view=DestroyCacheView(cmyk_view); |
| 443 | image_view=DestroyCacheView(image_view); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 444 | images=GetNextImageInList(images); |
| 445 | if (images == (Image *) NULL) |
| 446 | break; |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 447 | image_view=AcquireCacheView(images); |
| 448 | cmyk_view=AcquireCacheView(cmyk_image); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 449 | for (y=0; y < (ssize_t) images->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 450 | { |
| 451 | register const PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 452 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 453 | |
| 454 | register IndexPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 455 | *restrict indexes; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 456 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 457 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 458 | x; |
| 459 | |
| 460 | register PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 461 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 462 | |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 463 | p=GetCacheViewVirtualPixels(image_view,0,y,images->columns,1,exception); |
| 464 | q=GetCacheViewAuthenticPixels(cmyk_view,0,y,cmyk_image->columns,1, |
| 465 | exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 466 | if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) |
| 467 | break; |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 468 | indexes=GetCacheViewAuthenticIndexQueue(cmyk_view); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 469 | for (x=0; x < (ssize_t) images->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 470 | { |
| 471 | indexes[x]=(IndexPacket) (QuantumRange-PixelIntensityToQuantum(p)); |
| 472 | p++; |
| 473 | } |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 474 | if (SyncCacheViewAuthenticPixels(cmyk_view,exception) == MagickFalse) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 475 | break; |
| 476 | } |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 477 | cmyk_view=DestroyCacheView(cmyk_view); |
| 478 | image_view=DestroyCacheView(image_view); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 479 | AppendImageToList(&cmyk_images,cmyk_image); |
| 480 | images=GetNextImageInList(images); |
| 481 | if (images == (Image *) NULL) |
| 482 | break; |
| 483 | } |
| 484 | return(cmyk_images); |
| 485 | } |
| 486 | |
| 487 | /* |
| 488 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 489 | % % |
| 490 | % % |
| 491 | % % |
| 492 | % C r o p I m a g e % |
| 493 | % % |
| 494 | % % |
| 495 | % % |
| 496 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 497 | % |
| 498 | % CropImage() extracts a region of the image starting at the offset defined |
| 499 | % by geometry. |
| 500 | % |
| 501 | % The format of the CropImage method is: |
| 502 | % |
| 503 | % Image *CropImage(const Image *image,const RectangleInfo *geometry, |
| 504 | % ExceptionInfo *exception) |
| 505 | % |
| 506 | % A description of each parameter follows: |
| 507 | % |
| 508 | % o image: the image. |
| 509 | % |
| 510 | % o geometry: Define the region of the image to crop with members |
| 511 | % x, y, width, and height. |
| 512 | % |
| 513 | % o exception: return any errors or warnings in this structure. |
| 514 | % |
| 515 | */ |
| 516 | MagickExport Image *CropImage(const Image *image,const RectangleInfo *geometry, |
| 517 | ExceptionInfo *exception) |
| 518 | { |
| 519 | #define CropImageTag "Crop/Image" |
| 520 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 521 | CacheView |
| 522 | *crop_view, |
| 523 | *image_view; |
| 524 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 525 | Image |
| 526 | *crop_image; |
| 527 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 528 | MagickBooleanType |
| 529 | status; |
| 530 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 531 | MagickOffsetType |
| 532 | progress; |
| 533 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 534 | RectangleInfo |
| 535 | bounding_box, |
| 536 | page; |
| 537 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 538 | ssize_t |
| 539 | y; |
| 540 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 541 | /* |
| 542 | Check crop geometry. |
| 543 | */ |
| 544 | assert(image != (const Image *) NULL); |
| 545 | assert(image->signature == MagickSignature); |
| 546 | if (image->debug != MagickFalse) |
| 547 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 548 | assert(geometry != (const RectangleInfo *) NULL); |
| 549 | assert(exception != (ExceptionInfo *) NULL); |
| 550 | assert(exception->signature == MagickSignature); |
| 551 | bounding_box=image->page; |
| 552 | if ((bounding_box.width == 0) || (bounding_box.height == 0)) |
| 553 | { |
| 554 | bounding_box.width=image->columns; |
| 555 | bounding_box.height=image->rows; |
| 556 | } |
| 557 | page=(*geometry); |
| 558 | if (page.width == 0) |
| 559 | page.width=bounding_box.width; |
| 560 | if (page.height == 0) |
| 561 | page.height=bounding_box.height; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 562 | if (((bounding_box.x-page.x) >= (ssize_t) page.width) || |
| 563 | ((bounding_box.y-page.y) >= (ssize_t) page.height) || |
| 564 | ((page.x-bounding_box.x) > (ssize_t) image->columns) || |
| 565 | ((page.y-bounding_box.y) > (ssize_t) image->rows)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 566 | { |
| 567 | /* |
| 568 | Crop is not within virtual canvas, return 1 pixel transparent image. |
| 569 | */ |
| 570 | (void) ThrowMagickException(exception,GetMagickModule(),OptionWarning, |
| 571 | "GeometryDoesNotContainImage","`%s'",image->filename); |
| 572 | crop_image=CloneImage(image,1,1,MagickTrue,exception); |
| 573 | if (crop_image == (Image *) NULL) |
| 574 | return((Image *) NULL); |
| 575 | crop_image->background_color.opacity=(Quantum) TransparentOpacity; |
| 576 | (void) SetImageBackgroundColor(crop_image); |
| 577 | crop_image->page=bounding_box; |
| 578 | crop_image->page.x=(-1); |
| 579 | crop_image->page.y=(-1); |
| 580 | if (crop_image->dispose == BackgroundDispose) |
| 581 | crop_image->dispose=NoneDispose; |
| 582 | return(crop_image); |
| 583 | } |
| 584 | if ((page.x < 0) && (bounding_box.x >= 0)) |
| 585 | { |
| 586 | page.width+=page.x-bounding_box.x; |
| 587 | page.x=0; |
| 588 | } |
| 589 | else |
| 590 | { |
| 591 | page.width-=bounding_box.x-page.x; |
| 592 | page.x-=bounding_box.x; |
| 593 | if (page.x < 0) |
| 594 | page.x=0; |
| 595 | } |
| 596 | if ((page.y < 0) && (bounding_box.y >= 0)) |
| 597 | { |
| 598 | page.height+=page.y-bounding_box.y; |
| 599 | page.y=0; |
| 600 | } |
| 601 | else |
| 602 | { |
| 603 | page.height-=bounding_box.y-page.y; |
| 604 | page.y-=bounding_box.y; |
| 605 | if (page.y < 0) |
| 606 | page.y=0; |
| 607 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 608 | if ((size_t) (page.x+page.width) > image->columns) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 609 | page.width=image->columns-page.x; |
cristy | 1e4aa46 | 2010-02-15 00:04:18 +0000 | [diff] [blame] | 610 | if ((geometry->width != 0) && (page.width > geometry->width)) |
| 611 | page.width=geometry->width; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 612 | if ((size_t) (page.y+page.height) > image->rows) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 613 | page.height=image->rows-page.y; |
cristy | 1e4aa46 | 2010-02-15 00:04:18 +0000 | [diff] [blame] | 614 | if ((geometry->height != 0) && (page.height > geometry->height)) |
| 615 | page.height=geometry->height; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 616 | bounding_box.x+=page.x; |
| 617 | bounding_box.y+=page.y; |
| 618 | if ((page.width == 0) || (page.height == 0)) |
| 619 | { |
| 620 | (void) ThrowMagickException(exception,GetMagickModule(),OptionWarning, |
| 621 | "GeometryDoesNotContainImage","`%s'",image->filename); |
| 622 | return((Image *) NULL); |
| 623 | } |
| 624 | /* |
| 625 | Initialize crop image attributes. |
| 626 | */ |
| 627 | crop_image=CloneImage(image,page.width,page.height,MagickTrue,exception); |
| 628 | if (crop_image == (Image *) NULL) |
| 629 | return((Image *) NULL); |
| 630 | crop_image->page.width=image->page.width; |
| 631 | crop_image->page.height=image->page.height; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 632 | if (((ssize_t) (bounding_box.x+bounding_box.width) > (ssize_t) image->page.width) || |
| 633 | ((ssize_t) (bounding_box.y+bounding_box.height) > (ssize_t) image->page.height)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 634 | { |
| 635 | crop_image->page.width=bounding_box.width; |
| 636 | crop_image->page.height=bounding_box.height; |
| 637 | } |
| 638 | crop_image->page.x=bounding_box.x; |
| 639 | crop_image->page.y=bounding_box.y; |
| 640 | /* |
| 641 | Crop image. |
| 642 | */ |
| 643 | status=MagickTrue; |
| 644 | progress=0; |
| 645 | image_view=AcquireCacheView(image); |
| 646 | crop_view=AcquireCacheView(crop_image); |
cristy | 2224dcd | 2010-11-15 00:49:30 +0000 | [diff] [blame] | 647 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 09d8117 | 2010-10-21 16:15:05 +0000 | [diff] [blame] | 648 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) omp_throttle(1) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 649 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 650 | for (y=0; y < (ssize_t) crop_image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 651 | { |
| 652 | register const IndexPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 653 | *restrict indexes; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 654 | |
| 655 | register const PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 656 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 657 | |
| 658 | register IndexPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 659 | *restrict crop_indexes; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 660 | |
| 661 | register PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 662 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 663 | |
| 664 | if (status == MagickFalse) |
| 665 | continue; |
| 666 | p=GetCacheViewVirtualPixels(image_view,page.x,page.y+y,crop_image->columns, |
| 667 | 1,exception); |
| 668 | q=QueueCacheViewAuthenticPixels(crop_view,0,y,crop_image->columns,1, |
| 669 | exception); |
| 670 | if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) |
| 671 | { |
| 672 | status=MagickFalse; |
| 673 | continue; |
| 674 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 675 | indexes=GetCacheViewVirtualIndexQueue(image_view); |
cristy | 6c20734 | 2010-02-19 17:49:50 +0000 | [diff] [blame] | 676 | crop_indexes=GetCacheViewAuthenticIndexQueue(crop_view); |
cristy | 4cb39ab | 2010-06-07 13:59:16 +0000 | [diff] [blame] | 677 | (void) CopyMagickMemory(q,p,(size_t) crop_image->columns*sizeof(*p)); |
cristy | 6c20734 | 2010-02-19 17:49:50 +0000 | [diff] [blame] | 678 | if ((indexes != (IndexPacket *) NULL) && |
| 679 | (crop_indexes != (IndexPacket *) NULL)) |
| 680 | (void) CopyMagickMemory(crop_indexes,indexes,(size_t) crop_image->columns* |
| 681 | sizeof(*crop_indexes)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 682 | if (SyncCacheViewAuthenticPixels(crop_view,exception) == MagickFalse) |
| 683 | status=MagickFalse; |
| 684 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 685 | { |
| 686 | MagickBooleanType |
| 687 | proceed; |
| 688 | |
cristy | 2224dcd | 2010-11-15 00:49:30 +0000 | [diff] [blame] | 689 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 690 | #pragma omp critical (MagickCore_CropImage) |
| 691 | #endif |
| 692 | proceed=SetImageProgress(image,CropImageTag,progress++,image->rows); |
| 693 | if (proceed == MagickFalse) |
| 694 | status=MagickFalse; |
| 695 | } |
| 696 | } |
| 697 | crop_view=DestroyCacheView(crop_view); |
| 698 | image_view=DestroyCacheView(image_view); |
| 699 | crop_image->type=image->type; |
| 700 | if (status == MagickFalse) |
| 701 | crop_image=DestroyImage(crop_image); |
| 702 | return(crop_image); |
| 703 | } |
| 704 | |
| 705 | /* |
| 706 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 707 | % % |
| 708 | % % |
| 709 | % % |
| 710 | % E x c e r p t I m a g e % |
| 711 | % % |
| 712 | % % |
| 713 | % % |
| 714 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 715 | % |
| 716 | % ExcerptImage() returns a excerpt of the image as defined by the geometry. |
| 717 | % |
| 718 | % The format of the ExcerptImage method is: |
| 719 | % |
| 720 | % Image *ExcerptImage(const Image *image,const RectangleInfo *geometry, |
| 721 | % ExceptionInfo *exception) |
| 722 | % |
| 723 | % A description of each parameter follows: |
| 724 | % |
| 725 | % o image: the image. |
| 726 | % |
| 727 | % o geometry: Define the region of the image to extend with members |
| 728 | % x, y, width, and height. |
| 729 | % |
| 730 | % o exception: return any errors or warnings in this structure. |
| 731 | % |
| 732 | */ |
| 733 | MagickExport Image *ExcerptImage(const Image *image, |
| 734 | const RectangleInfo *geometry,ExceptionInfo *exception) |
| 735 | { |
| 736 | #define ExcerptImageTag "Excerpt/Image" |
| 737 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 738 | CacheView |
| 739 | *excerpt_view, |
| 740 | *image_view; |
| 741 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 742 | Image |
| 743 | *excerpt_image; |
| 744 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 745 | MagickBooleanType |
| 746 | status; |
| 747 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 748 | MagickOffsetType |
| 749 | progress; |
| 750 | |
| 751 | ssize_t |
| 752 | y; |
| 753 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 754 | /* |
| 755 | Allocate excerpt image. |
| 756 | */ |
| 757 | assert(image != (const Image *) NULL); |
| 758 | assert(image->signature == MagickSignature); |
| 759 | if (image->debug != MagickFalse) |
| 760 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 761 | assert(geometry != (const RectangleInfo *) NULL); |
| 762 | assert(exception != (ExceptionInfo *) NULL); |
| 763 | assert(exception->signature == MagickSignature); |
| 764 | excerpt_image=CloneImage(image,geometry->width,geometry->height,MagickTrue, |
| 765 | exception); |
| 766 | if (excerpt_image == (Image *) NULL) |
| 767 | return((Image *) NULL); |
| 768 | /* |
| 769 | Excerpt each row. |
| 770 | */ |
| 771 | status=MagickTrue; |
| 772 | progress=0; |
| 773 | image_view=AcquireCacheView(image); |
| 774 | excerpt_view=AcquireCacheView(excerpt_image); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 775 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 776 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 777 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 778 | for (y=0; y < (ssize_t) excerpt_image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 779 | { |
| 780 | register const PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 781 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 782 | |
| 783 | register IndexPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 784 | *restrict excerpt_indexes, |
| 785 | *restrict indexes; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 786 | |
| 787 | register PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 788 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 789 | |
| 790 | if (status == MagickFalse) |
| 791 | continue; |
| 792 | p=GetCacheViewVirtualPixels(image_view,geometry->x,geometry->y+y, |
| 793 | geometry->width,1,exception); |
| 794 | q=GetCacheViewAuthenticPixels(excerpt_view,0,y,excerpt_image->columns,1, |
| 795 | exception); |
| 796 | if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) |
| 797 | { |
| 798 | status=MagickFalse; |
| 799 | continue; |
| 800 | } |
| 801 | (void) CopyMagickMemory(q,p,(size_t) excerpt_image->columns*sizeof(*q)); |
| 802 | indexes=GetCacheViewAuthenticIndexQueue(image_view); |
| 803 | if (indexes != (IndexPacket *) NULL) |
| 804 | { |
| 805 | excerpt_indexes=GetCacheViewAuthenticIndexQueue(excerpt_view); |
| 806 | if (excerpt_indexes != (IndexPacket *) NULL) |
| 807 | (void) CopyMagickMemory(excerpt_indexes,indexes,(size_t) |
| 808 | excerpt_image->columns*sizeof(*excerpt_indexes)); |
| 809 | } |
| 810 | if (SyncCacheViewAuthenticPixels(excerpt_view,exception) == MagickFalse) |
| 811 | status=MagickFalse; |
| 812 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 813 | { |
| 814 | MagickBooleanType |
| 815 | proceed; |
| 816 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 817 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 818 | #pragma omp critical (MagickCore_ExcerptImage) |
| 819 | #endif |
| 820 | proceed=SetImageProgress(image,ExcerptImageTag,progress++,image->rows); |
| 821 | if (proceed == MagickFalse) |
| 822 | status=MagickFalse; |
| 823 | } |
| 824 | } |
| 825 | excerpt_view=DestroyCacheView(excerpt_view); |
| 826 | image_view=DestroyCacheView(image_view); |
| 827 | excerpt_image->type=image->type; |
| 828 | if (status == MagickFalse) |
| 829 | excerpt_image=DestroyImage(excerpt_image); |
| 830 | return(excerpt_image); |
| 831 | } |
| 832 | |
| 833 | /* |
| 834 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 835 | % % |
| 836 | % % |
| 837 | % % |
| 838 | % E x t e n t I m a g e % |
| 839 | % % |
| 840 | % % |
| 841 | % % |
| 842 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 843 | % |
| 844 | % ExtentImage() extends the image as defined by the geometry, gravity, and |
| 845 | % image background color. Set the (x,y) offset of the geometry to move the |
| 846 | % original image relative to the extended image. |
| 847 | % |
| 848 | % The format of the ExtentImage method is: |
| 849 | % |
| 850 | % Image *ExtentImage(const Image *image,const RectangleInfo *geometry, |
| 851 | % ExceptionInfo *exception) |
| 852 | % |
| 853 | % A description of each parameter follows: |
| 854 | % |
| 855 | % o image: the image. |
| 856 | % |
| 857 | % o geometry: Define the region of the image to extend with members |
| 858 | % x, y, width, and height. |
| 859 | % |
| 860 | % o exception: return any errors or warnings in this structure. |
| 861 | % |
| 862 | */ |
| 863 | MagickExport Image *ExtentImage(const Image *image, |
| 864 | const RectangleInfo *geometry,ExceptionInfo *exception) |
| 865 | { |
| 866 | Image |
| 867 | *extent_image; |
| 868 | |
| 869 | /* |
| 870 | Allocate extent image. |
| 871 | */ |
| 872 | assert(image != (const Image *) NULL); |
| 873 | assert(image->signature == MagickSignature); |
| 874 | if (image->debug != MagickFalse) |
| 875 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 876 | assert(geometry != (const RectangleInfo *) NULL); |
| 877 | assert(exception != (ExceptionInfo *) NULL); |
| 878 | assert(exception->signature == MagickSignature); |
| 879 | extent_image=CloneImage(image,geometry->width,geometry->height,MagickTrue, |
| 880 | exception); |
| 881 | if (extent_image == (Image *) NULL) |
| 882 | return((Image *) NULL); |
| 883 | if (SetImageStorageClass(extent_image,DirectClass) == MagickFalse) |
| 884 | { |
| 885 | InheritException(exception,&extent_image->exception); |
| 886 | extent_image=DestroyImage(extent_image); |
| 887 | return((Image *) NULL); |
| 888 | } |
| 889 | if (extent_image->background_color.opacity != OpaqueOpacity) |
| 890 | extent_image->matte=MagickTrue; |
| 891 | (void) SetImageBackgroundColor(extent_image); |
cristy | 45b6261 | 2010-09-13 20:01:36 +0000 | [diff] [blame] | 892 | (void) CompositeImage(extent_image,image->compose,image,-geometry->x, |
| 893 | -geometry->y); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 894 | return(extent_image); |
| 895 | } |
| 896 | |
| 897 | /* |
| 898 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 899 | % % |
| 900 | % % |
| 901 | % % |
| 902 | % F l i p I m a g e % |
| 903 | % % |
| 904 | % % |
| 905 | % % |
| 906 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 907 | % |
| 908 | % FlipImage() creates a vertical mirror image by reflecting the pixels |
| 909 | % around the central x-axis. |
| 910 | % |
| 911 | % The format of the FlipImage method is: |
| 912 | % |
| 913 | % Image *FlipImage(const Image *image,ExceptionInfo *exception) |
| 914 | % |
| 915 | % A description of each parameter follows: |
| 916 | % |
| 917 | % o image: the image. |
| 918 | % |
| 919 | % o exception: return any errors or warnings in this structure. |
| 920 | % |
| 921 | */ |
| 922 | MagickExport Image *FlipImage(const Image *image,ExceptionInfo *exception) |
| 923 | { |
| 924 | #define FlipImageTag "Flip/Image" |
| 925 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 926 | CacheView |
| 927 | *flip_view, |
| 928 | *image_view; |
| 929 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 930 | Image |
| 931 | *flip_image; |
| 932 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 933 | MagickBooleanType |
| 934 | status; |
| 935 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 936 | MagickOffsetType |
| 937 | progress; |
| 938 | |
| 939 | ssize_t |
| 940 | y; |
| 941 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 942 | assert(image != (const Image *) NULL); |
| 943 | assert(image->signature == MagickSignature); |
| 944 | if (image->debug != MagickFalse) |
| 945 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 946 | assert(exception != (ExceptionInfo *) NULL); |
| 947 | assert(exception->signature == MagickSignature); |
| 948 | flip_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception); |
| 949 | if (flip_image == (Image *) NULL) |
| 950 | return((Image *) NULL); |
| 951 | /* |
| 952 | Flip image. |
| 953 | */ |
| 954 | status=MagickTrue; |
| 955 | progress=0; |
| 956 | image_view=AcquireCacheView(image); |
| 957 | flip_view=AcquireCacheView(flip_image); |
cristy | 5db1f09 | 2010-06-07 13:07:26 +0000 | [diff] [blame] | 958 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 09d8117 | 2010-10-21 16:15:05 +0000 | [diff] [blame] | 959 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) omp_throttle(1) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 960 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 961 | for (y=0; y < (ssize_t) flip_image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 962 | { |
| 963 | register const IndexPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 964 | *restrict indexes; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 965 | |
| 966 | register const PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 967 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 968 | |
| 969 | register IndexPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 970 | *restrict flip_indexes; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 971 | |
| 972 | register PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 973 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 974 | |
| 975 | if (status == MagickFalse) |
| 976 | continue; |
| 977 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
cristy | 5db1f09 | 2010-06-07 13:07:26 +0000 | [diff] [blame] | 978 | q=QueueCacheViewAuthenticPixels(flip_view,0,(ssize_t) (flip_image->rows-y- |
| 979 | 1),flip_image->columns,1,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 980 | if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) |
| 981 | { |
| 982 | status=MagickFalse; |
| 983 | continue; |
| 984 | } |
| 985 | (void) CopyMagickMemory(q,p,(size_t) image->columns*sizeof(*q)); |
| 986 | indexes=GetCacheViewVirtualIndexQueue(image_view); |
| 987 | if (indexes != (const IndexPacket *) NULL) |
| 988 | { |
| 989 | flip_indexes=GetCacheViewAuthenticIndexQueue(flip_view); |
| 990 | if (flip_indexes != (IndexPacket *) NULL) |
| 991 | (void) CopyMagickMemory(flip_indexes,indexes,(size_t) image->columns* |
| 992 | sizeof(*flip_indexes)); |
| 993 | } |
| 994 | if (SyncCacheViewAuthenticPixels(flip_view,exception) == MagickFalse) |
| 995 | status=MagickFalse; |
| 996 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 997 | { |
| 998 | MagickBooleanType |
| 999 | proceed; |
| 1000 | |
cristy | 2224dcd | 2010-11-15 00:49:30 +0000 | [diff] [blame] | 1001 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1002 | #pragma omp critical (MagickCore_FlipImage) |
| 1003 | #endif |
| 1004 | proceed=SetImageProgress(image,FlipImageTag,progress++,image->rows); |
| 1005 | if (proceed == MagickFalse) |
| 1006 | status=MagickFalse; |
| 1007 | } |
| 1008 | } |
| 1009 | flip_view=DestroyCacheView(flip_view); |
| 1010 | image_view=DestroyCacheView(image_view); |
| 1011 | flip_image->type=image->type; |
| 1012 | if (status == MagickFalse) |
| 1013 | flip_image=DestroyImage(flip_image); |
| 1014 | return(flip_image); |
| 1015 | } |
| 1016 | |
| 1017 | /* |
| 1018 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1019 | % % |
| 1020 | % % |
| 1021 | % % |
| 1022 | % F l o p I m a g e % |
| 1023 | % % |
| 1024 | % % |
| 1025 | % % |
| 1026 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1027 | % |
| 1028 | % FlopImage() creates a horizontal mirror image by reflecting the pixels |
| 1029 | % around the central y-axis. |
| 1030 | % |
| 1031 | % The format of the FlopImage method is: |
| 1032 | % |
| 1033 | % Image *FlopImage(const Image *image,ExceptionInfo *exception) |
| 1034 | % |
| 1035 | % A description of each parameter follows: |
| 1036 | % |
| 1037 | % o image: the image. |
| 1038 | % |
| 1039 | % o exception: return any errors or warnings in this structure. |
| 1040 | % |
| 1041 | */ |
| 1042 | MagickExport Image *FlopImage(const Image *image,ExceptionInfo *exception) |
| 1043 | { |
| 1044 | #define FlopImageTag "Flop/Image" |
| 1045 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 1046 | CacheView |
| 1047 | *flop_view, |
| 1048 | *image_view; |
| 1049 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1050 | Image |
| 1051 | *flop_image; |
| 1052 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1053 | MagickBooleanType |
| 1054 | status; |
| 1055 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1056 | MagickOffsetType |
| 1057 | progress; |
| 1058 | |
| 1059 | ssize_t |
| 1060 | y; |
| 1061 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1062 | assert(image != (const Image *) NULL); |
| 1063 | assert(image->signature == MagickSignature); |
| 1064 | if (image->debug != MagickFalse) |
| 1065 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1066 | assert(exception != (ExceptionInfo *) NULL); |
| 1067 | assert(exception->signature == MagickSignature); |
| 1068 | flop_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception); |
| 1069 | if (flop_image == (Image *) NULL) |
| 1070 | return((Image *) NULL); |
| 1071 | /* |
| 1072 | Flop each row. |
| 1073 | */ |
| 1074 | status=MagickTrue; |
| 1075 | progress=0; |
| 1076 | image_view=AcquireCacheView(image); |
| 1077 | flop_view=AcquireCacheView(flop_image); |
cristy | 5db1f09 | 2010-06-07 13:07:26 +0000 | [diff] [blame] | 1078 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 09d8117 | 2010-10-21 16:15:05 +0000 | [diff] [blame] | 1079 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) omp_throttle(1) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1080 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1081 | for (y=0; y < (ssize_t) flop_image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1082 | { |
| 1083 | register const IndexPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1084 | *restrict indexes; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1085 | |
| 1086 | register const PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1087 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1088 | |
| 1089 | register IndexPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1090 | *restrict flop_indexes; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1091 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1092 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1093 | x; |
| 1094 | |
| 1095 | register PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1096 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1097 | |
| 1098 | if (status == MagickFalse) |
| 1099 | continue; |
| 1100 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
| 1101 | q=QueueCacheViewAuthenticPixels(flop_view,0,y,flop_image->columns,1, |
| 1102 | exception); |
| 1103 | if ((p == (PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) |
| 1104 | { |
| 1105 | status=MagickFalse; |
| 1106 | continue; |
| 1107 | } |
| 1108 | q+=flop_image->columns; |
| 1109 | indexes=GetCacheViewVirtualIndexQueue(image_view); |
| 1110 | flop_indexes=GetCacheViewAuthenticIndexQueue(flop_view); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1111 | for (x=0; x < (ssize_t) flop_image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1112 | { |
| 1113 | (*--q)=(*p++); |
| 1114 | if ((indexes != (const IndexPacket *) NULL) && |
| 1115 | (flop_indexes != (IndexPacket *) NULL)) |
| 1116 | flop_indexes[flop_image->columns-x-1]=indexes[x]; |
| 1117 | } |
| 1118 | if (SyncCacheViewAuthenticPixels(flop_view,exception) == MagickFalse) |
| 1119 | status=MagickFalse; |
| 1120 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 1121 | { |
| 1122 | MagickBooleanType |
| 1123 | proceed; |
| 1124 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 1125 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1126 | #pragma omp critical (MagickCore_FlopImage) |
| 1127 | #endif |
| 1128 | proceed=SetImageProgress(image,FlopImageTag,progress++,image->rows); |
| 1129 | if (proceed == MagickFalse) |
| 1130 | status=MagickFalse; |
| 1131 | } |
| 1132 | } |
| 1133 | flop_view=DestroyCacheView(flop_view); |
| 1134 | image_view=DestroyCacheView(image_view); |
| 1135 | flop_image->type=image->type; |
| 1136 | if (status == MagickFalse) |
| 1137 | flop_image=DestroyImage(flop_image); |
| 1138 | return(flop_image); |
| 1139 | } |
| 1140 | |
| 1141 | /* |
| 1142 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1143 | % % |
| 1144 | % % |
| 1145 | % % |
| 1146 | % R o l l I m a g e % |
| 1147 | % % |
| 1148 | % % |
| 1149 | % % |
| 1150 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1151 | % |
| 1152 | % RollImage() offsets an image as defined by x_offset and y_offset. |
| 1153 | % |
| 1154 | % The format of the RollImage method is: |
| 1155 | % |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1156 | % Image *RollImage(const Image *image,const ssize_t x_offset, |
| 1157 | % const ssize_t y_offset,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1158 | % |
| 1159 | % A description of each parameter follows: |
| 1160 | % |
| 1161 | % o image: the image. |
| 1162 | % |
| 1163 | % o x_offset: the number of columns to roll in the horizontal direction. |
| 1164 | % |
| 1165 | % o y_offset: the number of rows to roll in the vertical direction. |
| 1166 | % |
| 1167 | % o exception: return any errors or warnings in this structure. |
| 1168 | % |
| 1169 | */ |
| 1170 | |
| 1171 | static inline MagickBooleanType CopyImageRegion(Image *destination, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1172 | const Image *source,const size_t columns,const size_t rows, |
| 1173 | 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] | 1174 | ExceptionInfo *exception) |
| 1175 | { |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 1176 | CacheView |
| 1177 | *source_view, |
| 1178 | *destination_view; |
| 1179 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1180 | ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1181 | y; |
| 1182 | |
| 1183 | MagickBooleanType |
| 1184 | status; |
| 1185 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1186 | status=MagickTrue; |
| 1187 | source_view=AcquireCacheView(source); |
| 1188 | destination_view=AcquireCacheView(destination); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 1189 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 1190 | #pragma omp parallel for schedule(dynamic,4) shared(status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1191 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1192 | for (y=0; y < (ssize_t) rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1193 | { |
| 1194 | MagickBooleanType |
| 1195 | sync; |
| 1196 | |
cristy | 61a3d79 | 2010-03-12 14:04:54 +0000 | [diff] [blame] | 1197 | register const IndexPacket |
| 1198 | *restrict indexes; |
| 1199 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1200 | register const PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1201 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1202 | |
| 1203 | register IndexPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1204 | *restrict destination_indexes; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1205 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1206 | register PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1207 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1208 | |
| 1209 | /* |
| 1210 | Transfer scanline. |
| 1211 | */ |
| 1212 | if (status == MagickFalse) |
| 1213 | continue; |
| 1214 | p=GetCacheViewVirtualPixels(source_view,sx,sy+y,columns,1,exception); |
| 1215 | q=GetCacheViewAuthenticPixels(destination_view,dx,dy+y,columns,1,exception); |
| 1216 | if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) |
| 1217 | { |
| 1218 | status=MagickFalse; |
| 1219 | continue; |
| 1220 | } |
cristy | 11b66ce | 2010-03-11 13:34:19 +0000 | [diff] [blame] | 1221 | indexes=GetCacheViewVirtualIndexQueue(source_view); |
cristy | a3e7c38 | 2010-03-12 17:54:07 +0000 | [diff] [blame] | 1222 | (void) CopyMagickMemory(q,p,(size_t) columns*sizeof(*p)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1223 | if (indexes != (IndexPacket *) NULL) |
| 1224 | { |
| 1225 | destination_indexes=GetCacheViewAuthenticIndexQueue(destination_view); |
cristy | a3e7c38 | 2010-03-12 17:54:07 +0000 | [diff] [blame] | 1226 | if (destination_indexes != (IndexPacket *) NULL) |
| 1227 | (void) CopyMagickMemory(destination_indexes,indexes,(size_t) |
| 1228 | columns*sizeof(*indexes)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1229 | } |
| 1230 | sync=SyncCacheViewAuthenticPixels(destination_view,exception); |
| 1231 | if (sync == MagickFalse) |
| 1232 | status=MagickFalse; |
| 1233 | } |
| 1234 | destination_view=DestroyCacheView(destination_view); |
| 1235 | source_view=DestroyCacheView(source_view); |
| 1236 | return(status); |
| 1237 | } |
| 1238 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1239 | MagickExport Image *RollImage(const Image *image,const ssize_t x_offset, |
| 1240 | const ssize_t y_offset,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1241 | { |
| 1242 | #define RollImageTag "Roll/Image" |
| 1243 | |
| 1244 | Image |
| 1245 | *roll_image; |
| 1246 | |
| 1247 | MagickStatusType |
| 1248 | status; |
| 1249 | |
| 1250 | RectangleInfo |
| 1251 | offset; |
| 1252 | |
| 1253 | /* |
| 1254 | Initialize roll image attributes. |
| 1255 | */ |
| 1256 | assert(image != (const Image *) NULL); |
| 1257 | assert(image->signature == MagickSignature); |
| 1258 | if (image->debug != MagickFalse) |
| 1259 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1260 | assert(exception != (ExceptionInfo *) NULL); |
| 1261 | assert(exception->signature == MagickSignature); |
| 1262 | roll_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception); |
| 1263 | if (roll_image == (Image *) NULL) |
| 1264 | return((Image *) NULL); |
| 1265 | offset.x=x_offset; |
| 1266 | offset.y=y_offset; |
| 1267 | while (offset.x < 0) |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1268 | offset.x+=(ssize_t) image->columns; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1269 | while (offset.x >= (ssize_t) image->columns) |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1270 | offset.x-=(ssize_t) image->columns; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1271 | while (offset.y < 0) |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1272 | offset.y+=(ssize_t) image->rows; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1273 | while (offset.y >= (ssize_t) image->rows) |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1274 | offset.y-=(ssize_t) image->rows; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1275 | /* |
| 1276 | Roll image. |
| 1277 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1278 | status=CopyImageRegion(roll_image,image,(size_t) offset.x, |
| 1279 | (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] | 1280 | offset.y,0,0,exception); |
| 1281 | (void) SetImageProgress(image,RollImageTag,0,3); |
| 1282 | status|=CopyImageRegion(roll_image,image,image->columns-offset.x, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1283 | (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] | 1284 | exception); |
| 1285 | (void) SetImageProgress(image,RollImageTag,1,3); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1286 | status|=CopyImageRegion(roll_image,image,(size_t) offset.x,image->rows- |
| 1287 | offset.y,(ssize_t) image->columns-offset.x,0,0,offset.y,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1288 | (void) SetImageProgress(image,RollImageTag,2,3); |
| 1289 | status|=CopyImageRegion(roll_image,image,image->columns-offset.x,image->rows- |
| 1290 | offset.y,0,0,offset.x,offset.y,exception); |
| 1291 | (void) SetImageProgress(image,RollImageTag,3,3); |
| 1292 | roll_image->type=image->type; |
| 1293 | if (status == MagickFalse) |
| 1294 | roll_image=DestroyImage(roll_image); |
| 1295 | return(roll_image); |
| 1296 | } |
| 1297 | |
| 1298 | /* |
| 1299 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1300 | % % |
| 1301 | % % |
| 1302 | % % |
| 1303 | % S h a v e I m a g e % |
| 1304 | % % |
| 1305 | % % |
| 1306 | % % |
| 1307 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1308 | % |
| 1309 | % ShaveImage() shaves pixels from the image edges. It allocates the memory |
| 1310 | % necessary for the new Image structure and returns a pointer to the new |
| 1311 | % image. |
| 1312 | % |
| 1313 | % The format of the ShaveImage method is: |
| 1314 | % |
| 1315 | % Image *ShaveImage(const Image *image,const RectangleInfo *shave_info, |
| 1316 | % ExceptionInfo *exception) |
| 1317 | % |
| 1318 | % A description of each parameter follows: |
| 1319 | % |
| 1320 | % o shave_image: Method ShaveImage returns a pointer to the shaved |
| 1321 | % image. A null image is returned if there is a memory shortage or |
| 1322 | % if the image width or height is zero. |
| 1323 | % |
| 1324 | % o image: the image. |
| 1325 | % |
| 1326 | % o shave_info: Specifies a pointer to a RectangleInfo which defines the |
| 1327 | % region of the image to crop. |
| 1328 | % |
| 1329 | % o exception: return any errors or warnings in this structure. |
| 1330 | % |
| 1331 | */ |
| 1332 | MagickExport Image *ShaveImage(const Image *image, |
| 1333 | const RectangleInfo *shave_info,ExceptionInfo *exception) |
| 1334 | { |
| 1335 | Image |
| 1336 | *shave_image; |
| 1337 | |
| 1338 | RectangleInfo |
| 1339 | geometry; |
| 1340 | |
| 1341 | assert(image != (const Image *) NULL); |
| 1342 | assert(image->signature == MagickSignature); |
| 1343 | if (image->debug != MagickFalse) |
| 1344 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1345 | if (((2*shave_info->width) >= image->columns) || |
| 1346 | ((2*shave_info->height) >= image->rows)) |
| 1347 | ThrowImageException(OptionWarning,"GeometryDoesNotContainImage"); |
| 1348 | SetGeometry(image,&geometry); |
| 1349 | geometry.width-=2*shave_info->width; |
| 1350 | geometry.height-=2*shave_info->height; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1351 | geometry.x=(ssize_t) shave_info->width+image->page.x; |
| 1352 | geometry.y=(ssize_t) shave_info->height+image->page.y; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1353 | shave_image=CropImage(image,&geometry,exception); |
| 1354 | if (shave_image == (Image *) NULL) |
| 1355 | return((Image *) NULL); |
| 1356 | shave_image->page.width-=2*shave_info->width; |
| 1357 | shave_image->page.height-=2*shave_info->height; |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1358 | shave_image->page.x-=(ssize_t) shave_info->width; |
| 1359 | shave_image->page.y-=(ssize_t) shave_info->height; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1360 | return(shave_image); |
| 1361 | } |
| 1362 | |
| 1363 | /* |
| 1364 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1365 | % % |
| 1366 | % % |
| 1367 | % % |
| 1368 | % S p l i c e I m a g e % |
| 1369 | % % |
| 1370 | % % |
| 1371 | % % |
| 1372 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1373 | % |
| 1374 | % SpliceImage() splices a solid color into the image as defined by the |
| 1375 | % geometry. |
| 1376 | % |
| 1377 | % The format of the SpliceImage method is: |
| 1378 | % |
| 1379 | % Image *SpliceImage(const Image *image,const RectangleInfo *geometry, |
| 1380 | % ExceptionInfo *exception) |
| 1381 | % |
| 1382 | % A description of each parameter follows: |
| 1383 | % |
| 1384 | % o image: the image. |
| 1385 | % |
| 1386 | % o geometry: Define the region of the image to splice with members |
| 1387 | % x, y, width, and height. |
| 1388 | % |
| 1389 | % o exception: return any errors or warnings in this structure. |
| 1390 | % |
| 1391 | */ |
| 1392 | MagickExport Image *SpliceImage(const Image *image, |
| 1393 | const RectangleInfo *geometry,ExceptionInfo *exception) |
| 1394 | { |
| 1395 | #define SpliceImageTag "Splice/Image" |
| 1396 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 1397 | CacheView |
| 1398 | *image_view, |
| 1399 | *splice_view; |
| 1400 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1401 | Image |
| 1402 | *splice_image; |
| 1403 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1404 | MagickBooleanType |
| 1405 | proceed, |
| 1406 | status; |
| 1407 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1408 | MagickOffsetType |
| 1409 | progress; |
| 1410 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1411 | RectangleInfo |
| 1412 | splice_geometry; |
| 1413 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1414 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1415 | i; |
| 1416 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1417 | ssize_t |
| 1418 | y; |
| 1419 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1420 | /* |
| 1421 | Allocate splice image. |
| 1422 | */ |
| 1423 | assert(image != (const Image *) NULL); |
| 1424 | assert(image->signature == MagickSignature); |
| 1425 | if (image->debug != MagickFalse) |
| 1426 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1427 | assert(geometry != (const RectangleInfo *) NULL); |
| 1428 | assert(exception != (ExceptionInfo *) NULL); |
| 1429 | assert(exception->signature == MagickSignature); |
| 1430 | splice_geometry=(*geometry); |
| 1431 | splice_image=CloneImage(image,image->columns+splice_geometry.width, |
| 1432 | image->rows+splice_geometry.height,MagickTrue,exception); |
| 1433 | if (splice_image == (Image *) NULL) |
| 1434 | return((Image *) NULL); |
| 1435 | if (SetImageStorageClass(splice_image,DirectClass) == MagickFalse) |
| 1436 | { |
| 1437 | InheritException(exception,&splice_image->exception); |
| 1438 | splice_image=DestroyImage(splice_image); |
| 1439 | return((Image *) NULL); |
| 1440 | } |
| 1441 | (void) SetImageBackgroundColor(splice_image); |
| 1442 | /* |
| 1443 | Respect image geometry. |
| 1444 | */ |
| 1445 | switch (image->gravity) |
| 1446 | { |
| 1447 | default: |
| 1448 | case UndefinedGravity: |
| 1449 | case NorthWestGravity: |
| 1450 | break; |
| 1451 | case NorthGravity: |
| 1452 | { |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1453 | splice_geometry.x+=(ssize_t) splice_geometry.width/2; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1454 | break; |
| 1455 | } |
| 1456 | case NorthEastGravity: |
| 1457 | { |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1458 | splice_geometry.x+=(ssize_t) splice_geometry.width; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1459 | break; |
| 1460 | } |
| 1461 | case WestGravity: |
| 1462 | { |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1463 | splice_geometry.y+=(ssize_t) splice_geometry.width/2; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1464 | break; |
| 1465 | } |
| 1466 | case StaticGravity: |
| 1467 | case CenterGravity: |
| 1468 | { |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1469 | splice_geometry.x+=(ssize_t) splice_geometry.width/2; |
| 1470 | splice_geometry.y+=(ssize_t) splice_geometry.height/2; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1471 | break; |
| 1472 | } |
| 1473 | case EastGravity: |
| 1474 | { |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1475 | splice_geometry.x+=(ssize_t) splice_geometry.width; |
| 1476 | splice_geometry.y+=(ssize_t) splice_geometry.height/2; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1477 | break; |
| 1478 | } |
| 1479 | case SouthWestGravity: |
| 1480 | { |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1481 | splice_geometry.y+=(ssize_t) splice_geometry.height; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1482 | break; |
| 1483 | } |
| 1484 | case SouthGravity: |
| 1485 | { |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1486 | splice_geometry.x+=(ssize_t) splice_geometry.width/2; |
| 1487 | splice_geometry.y+=(ssize_t) splice_geometry.height; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1488 | break; |
| 1489 | } |
| 1490 | case SouthEastGravity: |
| 1491 | { |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1492 | splice_geometry.x+=(ssize_t) splice_geometry.width; |
| 1493 | splice_geometry.y+=(ssize_t) splice_geometry.height; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1494 | break; |
| 1495 | } |
| 1496 | } |
| 1497 | /* |
| 1498 | Splice image. |
| 1499 | */ |
| 1500 | status=MagickTrue; |
| 1501 | i=0; |
| 1502 | progress=0; |
| 1503 | image_view=AcquireCacheView(image); |
| 1504 | splice_view=AcquireCacheView(splice_image); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 1505 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 1506 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1507 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1508 | for (y=0; y < (ssize_t) splice_geometry.y; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1509 | { |
| 1510 | register const PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1511 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1512 | |
| 1513 | register IndexPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1514 | *restrict indexes, |
| 1515 | *restrict splice_indexes; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1516 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1517 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1518 | x; |
| 1519 | |
| 1520 | register PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1521 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1522 | |
| 1523 | if (status == MagickFalse) |
| 1524 | continue; |
| 1525 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
| 1526 | q=QueueCacheViewAuthenticPixels(splice_view,0,y,splice_image->columns,1, |
| 1527 | exception); |
| 1528 | if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) |
| 1529 | { |
| 1530 | status=MagickFalse; |
| 1531 | continue; |
| 1532 | } |
| 1533 | indexes=GetCacheViewAuthenticIndexQueue(image_view); |
| 1534 | splice_indexes=GetCacheViewAuthenticIndexQueue(splice_view); |
| 1535 | for (x=0; x < splice_geometry.x; x++) |
| 1536 | { |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1537 | SetRedPixelComponent(q,GetRedPixelComponent(p)); |
| 1538 | SetGreenPixelComponent(q,GetGreenPixelComponent(p)); |
| 1539 | SetBluePixelComponent(q,GetBluePixelComponent(p)); |
| 1540 | SetOpacityPixelComponent(q,OpaqueOpacity); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1541 | if (image->matte != MagickFalse) |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1542 | SetOpacityPixelComponent(q,GetOpacityPixelComponent(p)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1543 | if (image->colorspace == CMYKColorspace) |
| 1544 | splice_indexes[x]=(*indexes++); |
| 1545 | p++; |
| 1546 | q++; |
| 1547 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1548 | for ( ; x < (ssize_t) (splice_geometry.x+splice_geometry.width); x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1549 | q++; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1550 | for ( ; x < (ssize_t) splice_image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1551 | { |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1552 | SetRedPixelComponent(q,GetRedPixelComponent(p)); |
| 1553 | SetGreenPixelComponent(q,GetGreenPixelComponent(p)); |
| 1554 | SetBluePixelComponent(q,GetBluePixelComponent(p)); |
| 1555 | SetOpacityPixelComponent(q,OpaqueOpacity); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1556 | if (image->matte != MagickFalse) |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1557 | SetOpacityPixelComponent(q,GetOpacityPixelComponent(p)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1558 | if (image->colorspace == CMYKColorspace) |
| 1559 | splice_indexes[x]=(*indexes++); |
| 1560 | p++; |
| 1561 | q++; |
| 1562 | } |
| 1563 | if (SyncCacheViewAuthenticPixels(splice_view,exception) == MagickFalse) |
| 1564 | status=MagickFalse; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1565 | proceed=SetImageProgress(image,SpliceImageTag,(MagickOffsetType) y, |
| 1566 | splice_image->rows); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1567 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 1568 | { |
| 1569 | MagickBooleanType |
| 1570 | proceed; |
| 1571 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 1572 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1573 | #pragma omp critical (MagickCore_TransposeImage) |
| 1574 | #endif |
| 1575 | proceed=SetImageProgress(image,SpliceImageTag,progress++, |
| 1576 | splice_image->rows); |
| 1577 | if (proceed == MagickFalse) |
| 1578 | status=MagickFalse; |
| 1579 | } |
| 1580 | } |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 1581 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 1582 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1583 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1584 | for (y=(ssize_t) (splice_geometry.y+splice_geometry.height); |
| 1585 | y < (ssize_t) splice_image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1586 | { |
| 1587 | register const PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1588 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1589 | |
| 1590 | register IndexPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1591 | *restrict indexes, |
| 1592 | *restrict splice_indexes; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1593 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1594 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1595 | x; |
| 1596 | |
| 1597 | register PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1598 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1599 | |
| 1600 | if (status == MagickFalse) |
| 1601 | continue; |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1602 | p=GetCacheViewVirtualPixels(image_view,0,y-(ssize_t) splice_geometry.height, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1603 | image->columns,1,exception); |
cristy | 13d0704 | 2010-11-21 20:56:18 +0000 | [diff] [blame^] | 1604 | if ((y < 0) || (y >= (ssize_t) splice_image->rows)) |
cristy | 2224dcd | 2010-11-15 00:49:30 +0000 | [diff] [blame] | 1605 | continue; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1606 | q=QueueCacheViewAuthenticPixels(splice_view,0,y,splice_image->columns,1, |
| 1607 | exception); |
| 1608 | if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) |
| 1609 | { |
| 1610 | status=MagickFalse; |
| 1611 | continue; |
| 1612 | } |
| 1613 | indexes=GetCacheViewAuthenticIndexQueue(image_view); |
| 1614 | splice_indexes=GetCacheViewAuthenticIndexQueue(splice_view); |
| 1615 | for (x=0; x < splice_geometry.x; x++) |
| 1616 | { |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1617 | SetRedPixelComponent(q,GetRedPixelComponent(p)); |
| 1618 | SetGreenPixelComponent(q,GetGreenPixelComponent(p)); |
| 1619 | SetBluePixelComponent(q,GetBluePixelComponent(p)); |
| 1620 | SetOpacityPixelComponent(q,OpaqueOpacity); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1621 | if (image->matte != MagickFalse) |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1622 | SetOpacityPixelComponent(q,GetOpacityPixelComponent(p)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1623 | if (image->colorspace == CMYKColorspace) |
| 1624 | splice_indexes[x]=(*indexes++); |
| 1625 | p++; |
| 1626 | q++; |
| 1627 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1628 | for ( ; x < (ssize_t) (splice_geometry.x+splice_geometry.width); x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1629 | q++; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1630 | for ( ; x < (ssize_t) splice_image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1631 | { |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1632 | SetRedPixelComponent(q,GetRedPixelComponent(p)); |
| 1633 | SetGreenPixelComponent(q,GetGreenPixelComponent(p)); |
| 1634 | SetBluePixelComponent(q,GetBluePixelComponent(p)); |
| 1635 | SetOpacityPixelComponent(q,OpaqueOpacity); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1636 | if (image->matte != MagickFalse) |
cristy | ce70c17 | 2010-01-07 17:15:30 +0000 | [diff] [blame] | 1637 | SetOpacityPixelComponent(q,GetOpacityPixelComponent(p)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1638 | if (image->colorspace == CMYKColorspace) |
| 1639 | splice_indexes[x]=(*indexes++); |
| 1640 | p++; |
| 1641 | q++; |
| 1642 | } |
| 1643 | if (SyncCacheViewAuthenticPixels(splice_view,exception) == MagickFalse) |
| 1644 | status=MagickFalse; |
| 1645 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 1646 | { |
| 1647 | MagickBooleanType |
| 1648 | proceed; |
| 1649 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 1650 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1651 | #pragma omp critical (MagickCore_TransposeImage) |
| 1652 | #endif |
| 1653 | proceed=SetImageProgress(image,SpliceImageTag,progress++, |
| 1654 | splice_image->rows); |
| 1655 | if (proceed == MagickFalse) |
| 1656 | status=MagickFalse; |
| 1657 | } |
| 1658 | } |
| 1659 | splice_view=DestroyCacheView(splice_view); |
| 1660 | image_view=DestroyCacheView(image_view); |
| 1661 | if (status == MagickFalse) |
| 1662 | splice_image=DestroyImage(splice_image); |
| 1663 | return(splice_image); |
| 1664 | } |
| 1665 | |
| 1666 | /* |
| 1667 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1668 | % % |
| 1669 | % % |
| 1670 | % % |
| 1671 | % T r a n s f o r m I m a g e % |
| 1672 | % % |
| 1673 | % % |
| 1674 | % % |
| 1675 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1676 | % |
| 1677 | % TransformImage() is a convenience method that behaves like ResizeImage() or |
| 1678 | % CropImage() but accepts scaling and/or cropping information as a region |
| 1679 | % geometry specification. If the operation fails, the original image handle |
| 1680 | % is returned. |
| 1681 | % |
| 1682 | % The format of the TransformImage method is: |
| 1683 | % |
| 1684 | % MagickBooleanType TransformImage(Image **image,const char *crop_geometry, |
| 1685 | % const char *image_geometry) |
| 1686 | % |
| 1687 | % A description of each parameter follows: |
| 1688 | % |
| 1689 | % o image: the image The transformed image is returned as this parameter. |
| 1690 | % |
| 1691 | % o crop_geometry: A crop geometry string. This geometry defines a |
| 1692 | % subregion of the image to crop. |
| 1693 | % |
| 1694 | % o image_geometry: An image geometry string. This geometry defines the |
| 1695 | % final size of the image. |
| 1696 | % |
| 1697 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1698 | static inline ssize_t MagickRound(MagickRealType x) |
anthony | c0429ed | 2009-12-27 08:22:42 +0000 | [diff] [blame] | 1699 | { |
cristy | 508d931 | 2010-02-10 21:10:30 +0000 | [diff] [blame] | 1700 | /* |
| 1701 | Round the fraction to nearest integer. |
| 1702 | */ |
anthony | c0429ed | 2009-12-27 08:22:42 +0000 | [diff] [blame] | 1703 | if (x >= 0.0) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1704 | return((ssize_t) (x+0.5)); |
| 1705 | return((ssize_t) (x-0.5)); |
anthony | c0429ed | 2009-12-27 08:22:42 +0000 | [diff] [blame] | 1706 | } |
| 1707 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1708 | MagickExport MagickBooleanType TransformImage(Image **image, |
| 1709 | const char *crop_geometry,const char *image_geometry) |
| 1710 | { |
| 1711 | Image |
cristy | 508d931 | 2010-02-10 21:10:30 +0000 | [diff] [blame] | 1712 | *next, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1713 | *resize_image, |
| 1714 | *transform_image; |
| 1715 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1716 | ssize_t |
cristy | 508d931 | 2010-02-10 21:10:30 +0000 | [diff] [blame] | 1717 | x, |
| 1718 | y; |
| 1719 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1720 | MagickStatusType |
| 1721 | flags; |
| 1722 | |
| 1723 | RectangleInfo |
| 1724 | geometry; |
| 1725 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1726 | size_t |
cristy | 508d931 | 2010-02-10 21:10:30 +0000 | [diff] [blame] | 1727 | height, |
| 1728 | width; |
| 1729 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1730 | assert(image != (Image **) NULL); |
| 1731 | assert((*image)->signature == MagickSignature); |
| 1732 | if ((*image)->debug != MagickFalse) |
| 1733 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",(*image)->filename); |
| 1734 | transform_image=(*image); |
| 1735 | if (crop_geometry != (const char *) NULL) |
| 1736 | { |
| 1737 | Image |
| 1738 | *crop_image; |
| 1739 | |
| 1740 | RectangleInfo |
| 1741 | geometry; |
| 1742 | |
| 1743 | /* |
| 1744 | Crop image to a user specified size. |
| 1745 | */ |
| 1746 | crop_image=NewImageList(); |
| 1747 | flags=ParseGravityGeometry(transform_image,crop_geometry,&geometry, |
| 1748 | &(*image)->exception); |
cristy | 508d931 | 2010-02-10 21:10:30 +0000 | [diff] [blame] | 1749 | if ((flags & AreaValue) != 0) |
anthony | c0429ed | 2009-12-27 08:22:42 +0000 | [diff] [blame] | 1750 | { |
cristy | 508d931 | 2010-02-10 21:10:30 +0000 | [diff] [blame] | 1751 | PointInfo |
cristy | 4eced73 | 2010-02-10 22:26:28 +0000 | [diff] [blame] | 1752 | delta, |
| 1753 | offset; |
anthony | c0429ed | 2009-12-27 08:22:42 +0000 | [diff] [blame] | 1754 | |
| 1755 | RectangleInfo |
| 1756 | crop; |
| 1757 | |
cristy | 508d931 | 2010-02-10 21:10:30 +0000 | [diff] [blame] | 1758 | /* |
| 1759 | Crop into NxM tiles (@ flag) - AT. |
| 1760 | */ |
| 1761 | if (geometry.width == 0) |
| 1762 | geometry.width=1; |
| 1763 | if (geometry.height == 0) |
| 1764 | geometry.height=1; |
| 1765 | width=transform_image->columns; |
| 1766 | height=transform_image->rows; |
anthony | c0429ed | 2009-12-27 08:22:42 +0000 | [diff] [blame] | 1767 | if ((flags & AspectValue) == 0) |
| 1768 | { |
cristy | 508d931 | 2010-02-10 21:10:30 +0000 | [diff] [blame] | 1769 | width-=(geometry.x < 0 ? -1 : 1)*geometry.x; |
| 1770 | height-=(geometry.y < 0 ? -1 : 1)*geometry.y; |
anthony | c0429ed | 2009-12-27 08:22:42 +0000 | [diff] [blame] | 1771 | } |
| 1772 | else |
| 1773 | { |
cristy | 508d931 | 2010-02-10 21:10:30 +0000 | [diff] [blame] | 1774 | width+=(geometry.x < 0 ? -1 : 1)*geometry.x; |
| 1775 | height+=(geometry.y < 0 ? -1 : 1)*geometry.y; |
anthony | c0429ed | 2009-12-27 08:22:42 +0000 | [diff] [blame] | 1776 | } |
cristy | 508d931 | 2010-02-10 21:10:30 +0000 | [diff] [blame] | 1777 | delta.x=(double) width/geometry.width; |
| 1778 | delta.y=(double) height/geometry.height; |
anthony | c0429ed | 2009-12-27 08:22:42 +0000 | [diff] [blame] | 1779 | next=NewImageList(); |
cristy | 4eced73 | 2010-02-10 22:26:28 +0000 | [diff] [blame] | 1780 | for (offset.y=0; offset.y < (double) height; ) |
anthony | c0429ed | 2009-12-27 08:22:42 +0000 | [diff] [blame] | 1781 | { |
| 1782 | if ((flags & AspectValue) == 0) |
| 1783 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1784 | crop.y=(ssize_t) MagickRound((MagickRealType) (offset.y- |
cristy | 508d931 | 2010-02-10 21:10:30 +0000 | [diff] [blame] | 1785 | (geometry.y > 0 ? 0 : geometry.y))); |
cristy | 4eced73 | 2010-02-10 22:26:28 +0000 | [diff] [blame] | 1786 | offset.y+=delta.y; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1787 | crop.height=(size_t) MagickRound((MagickRealType) |
cristy | 4eced73 | 2010-02-10 22:26:28 +0000 | [diff] [blame] | 1788 | (offset.y+(geometry.y < 0 ? 0 : geometry.y))); |
anthony | c0429ed | 2009-12-27 08:22:42 +0000 | [diff] [blame] | 1789 | } |
| 1790 | else |
| 1791 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1792 | crop.y=(ssize_t) MagickRound((MagickRealType) (offset.y- |
cristy | 508d931 | 2010-02-10 21:10:30 +0000 | [diff] [blame] | 1793 | (geometry.y > 0 ? geometry.y : 0))); |
cristy | 4eced73 | 2010-02-10 22:26:28 +0000 | [diff] [blame] | 1794 | offset.y+=delta.y; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1795 | crop.height=(size_t) MagickRound((MagickRealType) |
cristy | 4eced73 | 2010-02-10 22:26:28 +0000 | [diff] [blame] | 1796 | (offset.y+(geometry.y < 0 ? geometry.y : 0))); |
anthony | c0429ed | 2009-12-27 08:22:42 +0000 | [diff] [blame] | 1797 | } |
cristy | 508d931 | 2010-02-10 21:10:30 +0000 | [diff] [blame] | 1798 | crop.height-=crop.y; |
cristy | 3d81861 | 2010-04-01 18:56:37 +0000 | [diff] [blame] | 1799 | crop.y+=transform_image->page.y; |
cristy | 4eced73 | 2010-02-10 22:26:28 +0000 | [diff] [blame] | 1800 | for (offset.x=0; offset.x < (double) width; ) |
anthony | c0429ed | 2009-12-27 08:22:42 +0000 | [diff] [blame] | 1801 | { |
| 1802 | if ((flags & AspectValue) == 0) |
| 1803 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1804 | crop.x=(ssize_t) MagickRound((MagickRealType) (offset.x- |
cristy | 508d931 | 2010-02-10 21:10:30 +0000 | [diff] [blame] | 1805 | (geometry.x > 0 ? 0 : geometry.x))); |
cristy | 4eced73 | 2010-02-10 22:26:28 +0000 | [diff] [blame] | 1806 | offset.x+=+delta.x; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1807 | crop.width=(size_t) MagickRound((MagickRealType) |
cristy | 4eced73 | 2010-02-10 22:26:28 +0000 | [diff] [blame] | 1808 | (offset.x+(geometry.x < 0 ? 0 : geometry.x))); |
anthony | c0429ed | 2009-12-27 08:22:42 +0000 | [diff] [blame] | 1809 | } |
| 1810 | else |
| 1811 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1812 | crop.x=(ssize_t) MagickRound((MagickRealType) (offset.x- |
cristy | 508d931 | 2010-02-10 21:10:30 +0000 | [diff] [blame] | 1813 | (geometry.x > 0 ? geometry.x : 0))); |
cristy | 4eced73 | 2010-02-10 22:26:28 +0000 | [diff] [blame] | 1814 | offset.x+=+delta.x; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1815 | crop.width=(size_t) MagickRound((MagickRealType) |
cristy | 4eced73 | 2010-02-10 22:26:28 +0000 | [diff] [blame] | 1816 | (offset.x+(geometry.x < 0 ? geometry.x : 0))); |
anthony | c0429ed | 2009-12-27 08:22:42 +0000 | [diff] [blame] | 1817 | } |
cristy | 508d931 | 2010-02-10 21:10:30 +0000 | [diff] [blame] | 1818 | crop.width-=crop.x; |
cristy | 3d81861 | 2010-04-01 18:56:37 +0000 | [diff] [blame] | 1819 | crop.x+=transform_image->page.x; |
anthony | c0429ed | 2009-12-27 08:22:42 +0000 | [diff] [blame] | 1820 | next=CropImage(transform_image,&crop,&(*image)->exception); |
| 1821 | if (next == (Image *) NULL) |
| 1822 | break; |
| 1823 | AppendImageToList(&crop_image,next); |
| 1824 | } |
| 1825 | if (next == (Image *) NULL) |
| 1826 | break; |
| 1827 | } |
| 1828 | } |
cristy | 508d931 | 2010-02-10 21:10:30 +0000 | [diff] [blame] | 1829 | else |
| 1830 | if (((geometry.width == 0) && (geometry.height == 0)) || |
anthony | c0429ed | 2009-12-27 08:22:42 +0000 | [diff] [blame] | 1831 | ((flags & XValue) != 0) || ((flags & YValue) != 0)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1832 | { |
cristy | 508d931 | 2010-02-10 21:10:30 +0000 | [diff] [blame] | 1833 | /* |
| 1834 | Crop a single region at +X+Y. |
| 1835 | */ |
| 1836 | crop_image=CropImage(transform_image,&geometry, |
| 1837 | &(*image)->exception); |
| 1838 | if ((crop_image != (Image *) NULL) && ((flags & AspectValue) != 0)) |
| 1839 | { |
| 1840 | crop_image->page.width=geometry.width; |
| 1841 | crop_image->page.height=geometry.height; |
| 1842 | crop_image->page.x-=geometry.x; |
| 1843 | crop_image->page.y-=geometry.y; |
| 1844 | } |
| 1845 | } |
| 1846 | else |
| 1847 | if ((transform_image->columns > geometry.width) || |
| 1848 | (transform_image->rows > geometry.height)) |
| 1849 | { |
| 1850 | MagickBooleanType |
| 1851 | proceed; |
| 1852 | |
| 1853 | MagickProgressMonitor |
| 1854 | progress_monitor; |
| 1855 | |
| 1856 | MagickOffsetType |
| 1857 | i; |
| 1858 | |
| 1859 | MagickSizeType |
| 1860 | number_images; |
| 1861 | |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 1862 | RectangleInfo |
| 1863 | page; |
| 1864 | |
cristy | 508d931 | 2010-02-10 21:10:30 +0000 | [diff] [blame] | 1865 | /* |
| 1866 | Crop into tiles of fixed size WxH. |
| 1867 | */ |
| 1868 | if (transform_image->page.width == 0) |
| 1869 | transform_image->page.width=transform_image->columns; |
| 1870 | if (transform_image->page.height == 0) |
| 1871 | transform_image->page.height=transform_image->rows; |
| 1872 | width=geometry.width; |
| 1873 | if (width == 0) |
| 1874 | width=transform_image->page.width; |
| 1875 | height=geometry.height; |
| 1876 | if (height == 0) |
| 1877 | height=transform_image->page.height; |
| 1878 | next=NewImageList(); |
| 1879 | proceed=MagickTrue; |
| 1880 | i=0; |
cristy | 0e9f9c1 | 2010-02-11 03:00:47 +0000 | [diff] [blame] | 1881 | number_images=0; |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 1882 | page=transform_image->page; |
| 1883 | for (y=0; y < (ssize_t) page.height; y+=(ssize_t) height) |
| 1884 | for (x=0; x < (ssize_t) page.width; x+=(ssize_t) width) |
cristy | 0e9f9c1 | 2010-02-11 03:00:47 +0000 | [diff] [blame] | 1885 | number_images++; |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 1886 | for (y=0; y < (ssize_t) page.height; y+=(ssize_t) height) |
cristy | 508d931 | 2010-02-10 21:10:30 +0000 | [diff] [blame] | 1887 | { |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 1888 | for (x=0; x < (ssize_t) page.width; x+=(ssize_t) width) |
cristy | 508d931 | 2010-02-10 21:10:30 +0000 | [diff] [blame] | 1889 | { |
| 1890 | progress_monitor=SetImageProgressMonitor(transform_image, |
| 1891 | (MagickProgressMonitor) NULL,transform_image->client_data); |
| 1892 | geometry.width=width; |
| 1893 | geometry.height=height; |
| 1894 | geometry.x=x; |
| 1895 | geometry.y=y; |
| 1896 | next=CropImage(transform_image,&geometry,&(*image)->exception); |
| 1897 | (void) SetImageProgressMonitor(transform_image, |
| 1898 | progress_monitor,transform_image->client_data); |
| 1899 | proceed=SetImageProgress(transform_image,CropImageTag,i++, |
| 1900 | number_images); |
| 1901 | if (proceed == MagickFalse) |
| 1902 | break; |
| 1903 | if (next == (Image *) NULL) |
| 1904 | break; |
cristy | 36507e6 | 2010-02-11 00:26:48 +0000 | [diff] [blame] | 1905 | (void) SetImageProgressMonitor(next,progress_monitor, |
| 1906 | next->client_data); |
cristy | 2a9e7cb | 2010-03-05 02:15:05 +0000 | [diff] [blame] | 1907 | if (crop_image == (Image *) NULL) |
| 1908 | crop_image=next; |
| 1909 | else |
| 1910 | { |
| 1911 | next->previous=crop_image; |
| 1912 | crop_image->next=next; |
| 1913 | crop_image=crop_image->next; |
| 1914 | } |
cristy | 508d931 | 2010-02-10 21:10:30 +0000 | [diff] [blame] | 1915 | } |
| 1916 | if (next == (Image *) NULL) |
| 1917 | break; |
| 1918 | if (proceed == MagickFalse) |
| 1919 | break; |
| 1920 | } |
| 1921 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1922 | if (crop_image == (Image *) NULL) |
| 1923 | transform_image=CloneImage(*image,0,0,MagickTrue,&(*image)->exception); |
| 1924 | else |
| 1925 | { |
| 1926 | transform_image=DestroyImage(transform_image); |
| 1927 | transform_image=GetFirstImageInList(crop_image); |
| 1928 | } |
| 1929 | *image=transform_image; |
| 1930 | } |
| 1931 | if (image_geometry == (const char *) NULL) |
| 1932 | return(MagickTrue); |
| 1933 | /* |
| 1934 | Scale image to a user specified size. |
| 1935 | */ |
| 1936 | flags=ParseRegionGeometry(transform_image,image_geometry,&geometry, |
| 1937 | &(*image)->exception); |
| 1938 | if ((transform_image->columns == geometry.width) && |
| 1939 | (transform_image->rows == geometry.height)) |
| 1940 | return(MagickTrue); |
cristy | 15b98cd | 2010-09-12 19:42:50 +0000 | [diff] [blame] | 1941 | resize_image=ResizeImage(transform_image,geometry.width,geometry.height, |
| 1942 | transform_image->filter,transform_image->blur,&(*image)->exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1943 | if (resize_image == (Image *) NULL) |
| 1944 | return(MagickFalse); |
| 1945 | transform_image=DestroyImage(transform_image); |
| 1946 | transform_image=resize_image; |
| 1947 | *image=transform_image; |
| 1948 | return(MagickTrue); |
| 1949 | } |
| 1950 | |
| 1951 | /* |
| 1952 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1953 | % % |
| 1954 | % % |
| 1955 | % % |
| 1956 | % T r a n s f o r m I m a g e s % |
| 1957 | % % |
| 1958 | % % |
| 1959 | % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1960 | % |
| 1961 | % TransformImages() calls TransformImage() on each image of a sequence. |
| 1962 | % |
| 1963 | % The format of the TransformImage method is: |
| 1964 | % |
| 1965 | % MagickBooleanType TransformImages(Image **image, |
| 1966 | % const char *crop_geometry,const char *image_geometry) |
| 1967 | % |
| 1968 | % A description of each parameter follows: |
| 1969 | % |
| 1970 | % o image: the image The transformed image is returned as this parameter. |
| 1971 | % |
| 1972 | % o crop_geometry: A crop geometry string. This geometry defines a |
| 1973 | % subregion of the image to crop. |
| 1974 | % |
| 1975 | % o image_geometry: An image geometry string. This geometry defines the |
| 1976 | % final size of the image. |
| 1977 | % |
| 1978 | */ |
| 1979 | MagickExport MagickBooleanType TransformImages(Image **images, |
| 1980 | const char *crop_geometry,const char *image_geometry) |
| 1981 | { |
| 1982 | Image |
| 1983 | *image, |
| 1984 | **image_list, |
| 1985 | *transform_images; |
| 1986 | |
| 1987 | MagickStatusType |
| 1988 | status; |
| 1989 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1990 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1991 | i; |
| 1992 | |
| 1993 | assert(images != (Image **) NULL); |
| 1994 | assert((*images)->signature == MagickSignature); |
| 1995 | if ((*images)->debug != MagickFalse) |
| 1996 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", |
| 1997 | (*images)->filename); |
| 1998 | image_list=ImageListToArray(*images,&(*images)->exception); |
| 1999 | if (image_list == (Image **) NULL) |
| 2000 | return(MagickFalse); |
| 2001 | status=MagickTrue; |
| 2002 | transform_images=NewImageList(); |
| 2003 | for (i=0; image_list[i] != (Image *) NULL; i++) |
| 2004 | { |
| 2005 | image=image_list[i]; |
| 2006 | status|=TransformImage(&image,crop_geometry,image_geometry); |
| 2007 | AppendImageToList(&transform_images,image); |
| 2008 | } |
| 2009 | *images=transform_images; |
| 2010 | image_list=(Image **) RelinquishMagickMemory(image_list); |
| 2011 | return(status != 0 ? MagickTrue : MagickFalse); |
| 2012 | } |
| 2013 | |
| 2014 | /* |
| 2015 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2016 | % % |
| 2017 | % % |
| 2018 | % % |
| 2019 | % T r a n s p o s e I m a g e % |
| 2020 | % % |
| 2021 | % % |
| 2022 | % % |
| 2023 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2024 | % |
| 2025 | % TransposeImage() creates a horizontal mirror image by reflecting the pixels |
| 2026 | % around the central y-axis while rotating them by 90 degrees. |
| 2027 | % |
| 2028 | % The format of the TransposeImage method is: |
| 2029 | % |
| 2030 | % Image *TransposeImage(const Image *image,ExceptionInfo *exception) |
| 2031 | % |
| 2032 | % A description of each parameter follows: |
| 2033 | % |
| 2034 | % o image: the image. |
| 2035 | % |
| 2036 | % o exception: return any errors or warnings in this structure. |
| 2037 | % |
| 2038 | */ |
| 2039 | MagickExport Image *TransposeImage(const Image *image,ExceptionInfo *exception) |
| 2040 | { |
| 2041 | #define TransposeImageTag "Transpose/Image" |
| 2042 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 2043 | CacheView |
| 2044 | *image_view, |
| 2045 | *transpose_view; |
| 2046 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2047 | Image |
| 2048 | *transpose_image; |
| 2049 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2050 | MagickBooleanType |
| 2051 | status; |
| 2052 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2053 | MagickOffsetType |
| 2054 | progress; |
| 2055 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2056 | RectangleInfo |
| 2057 | page; |
| 2058 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2059 | ssize_t |
| 2060 | y; |
| 2061 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2062 | assert(image != (const Image *) NULL); |
| 2063 | assert(image->signature == MagickSignature); |
| 2064 | if (image->debug != MagickFalse) |
| 2065 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 2066 | assert(exception != (ExceptionInfo *) NULL); |
| 2067 | assert(exception->signature == MagickSignature); |
| 2068 | transpose_image=CloneImage(image,image->rows,image->columns,MagickTrue, |
| 2069 | exception); |
| 2070 | if (transpose_image == (Image *) NULL) |
| 2071 | return((Image *) NULL); |
| 2072 | /* |
| 2073 | Transpose image. |
| 2074 | */ |
| 2075 | status=MagickTrue; |
| 2076 | progress=0; |
| 2077 | image_view=AcquireCacheView(image); |
| 2078 | transpose_view=AcquireCacheView(transpose_image); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 2079 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 2080 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2081 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2082 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2083 | { |
| 2084 | register const PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 2085 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2086 | |
| 2087 | register IndexPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 2088 | *restrict transpose_indexes, |
| 2089 | *restrict indexes; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2090 | |
| 2091 | register PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 2092 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2093 | |
| 2094 | if (status == MagickFalse) |
| 2095 | continue; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2096 | p=GetCacheViewVirtualPixels(image_view,0,(ssize_t) image->rows-y-1, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2097 | image->columns,1,exception); |
cristy | 9af9b5d | 2010-08-15 17:04:28 +0000 | [diff] [blame] | 2098 | q=QueueCacheViewAuthenticPixels(transpose_view,(ssize_t) (image->rows-y-1), |
| 2099 | 0,1,transpose_image->rows,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2100 | if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) |
| 2101 | { |
| 2102 | status=MagickFalse; |
| 2103 | continue; |
| 2104 | } |
| 2105 | (void) CopyMagickMemory(q,p,(size_t) image->columns*sizeof(*q)); |
| 2106 | indexes=GetCacheViewAuthenticIndexQueue(image_view); |
| 2107 | if (indexes != (IndexPacket *) NULL) |
| 2108 | { |
| 2109 | transpose_indexes=GetCacheViewAuthenticIndexQueue(transpose_view); |
| 2110 | if (transpose_indexes != (IndexPacket *) NULL) |
| 2111 | (void) CopyMagickMemory(transpose_indexes,indexes,(size_t) |
| 2112 | image->columns*sizeof(*transpose_indexes)); |
| 2113 | } |
| 2114 | if (SyncCacheViewAuthenticPixels(transpose_view,exception) == MagickFalse) |
| 2115 | status=MagickFalse; |
| 2116 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 2117 | { |
| 2118 | MagickBooleanType |
| 2119 | proceed; |
| 2120 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 2121 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2122 | #pragma omp critical (MagickCore_TransposeImage) |
| 2123 | #endif |
| 2124 | proceed=SetImageProgress(image,TransposeImageTag,progress++, |
| 2125 | image->rows); |
| 2126 | if (proceed == MagickFalse) |
| 2127 | status=MagickFalse; |
| 2128 | } |
| 2129 | } |
| 2130 | transpose_view=DestroyCacheView(transpose_view); |
| 2131 | image_view=DestroyCacheView(image_view); |
| 2132 | transpose_image->type=image->type; |
| 2133 | page=transpose_image->page; |
| 2134 | Swap(page.width,page.height); |
| 2135 | Swap(page.x,page.y); |
| 2136 | if (page.width != 0) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2137 | page.x=(ssize_t) (page.width-transpose_image->columns-page.x); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2138 | transpose_image->page=page; |
| 2139 | if (status == MagickFalse) |
| 2140 | transpose_image=DestroyImage(transpose_image); |
| 2141 | return(transpose_image); |
| 2142 | } |
| 2143 | |
| 2144 | /* |
| 2145 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2146 | % % |
| 2147 | % % |
| 2148 | % % |
| 2149 | % T r a n s v e r s e I m a g e % |
| 2150 | % % |
| 2151 | % % |
| 2152 | % % |
| 2153 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2154 | % |
| 2155 | % TransverseImage() creates a vertical mirror image by reflecting the pixels |
| 2156 | % around the central x-axis while rotating them by 270 degrees. |
| 2157 | % |
| 2158 | % The format of the TransverseImage method is: |
| 2159 | % |
| 2160 | % Image *TransverseImage(const Image *image,ExceptionInfo *exception) |
| 2161 | % |
| 2162 | % A description of each parameter follows: |
| 2163 | % |
| 2164 | % o image: the image. |
| 2165 | % |
| 2166 | % o exception: return any errors or warnings in this structure. |
| 2167 | % |
| 2168 | */ |
| 2169 | MagickExport Image *TransverseImage(const Image *image,ExceptionInfo *exception) |
| 2170 | { |
| 2171 | #define TransverseImageTag "Transverse/Image" |
| 2172 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 2173 | CacheView |
| 2174 | *image_view, |
| 2175 | *transverse_view; |
| 2176 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2177 | Image |
| 2178 | *transverse_image; |
| 2179 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2180 | MagickBooleanType |
| 2181 | status; |
| 2182 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2183 | MagickOffsetType |
| 2184 | progress; |
| 2185 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2186 | RectangleInfo |
| 2187 | page; |
| 2188 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2189 | ssize_t |
| 2190 | y; |
| 2191 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2192 | assert(image != (const Image *) NULL); |
| 2193 | assert(image->signature == MagickSignature); |
| 2194 | if (image->debug != MagickFalse) |
| 2195 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 2196 | assert(exception != (ExceptionInfo *) NULL); |
| 2197 | assert(exception->signature == MagickSignature); |
| 2198 | transverse_image=CloneImage(image,image->rows,image->columns,MagickTrue, |
| 2199 | exception); |
| 2200 | if (transverse_image == (Image *) NULL) |
| 2201 | return((Image *) NULL); |
| 2202 | /* |
| 2203 | Transverse image. |
| 2204 | */ |
| 2205 | status=MagickTrue; |
| 2206 | progress=0; |
| 2207 | image_view=AcquireCacheView(image); |
| 2208 | transverse_view=AcquireCacheView(transverse_image); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 2209 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
| 2210 | #pragma omp parallel for schedule(dynamic,4) shared(progress,status) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2211 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2212 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2213 | { |
| 2214 | MagickBooleanType |
| 2215 | sync; |
| 2216 | |
| 2217 | register const PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 2218 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2219 | |
| 2220 | register IndexPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 2221 | *restrict transverse_indexes, |
| 2222 | *restrict indexes; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2223 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2224 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2225 | x; |
| 2226 | |
| 2227 | register PixelPacket |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 2228 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2229 | |
| 2230 | if (status == MagickFalse) |
| 2231 | continue; |
| 2232 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2233 | q=QueueCacheViewAuthenticPixels(transverse_view,(ssize_t) (image->rows-y- |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2234 | 1),0,1,transverse_image->rows,exception); |
| 2235 | if ((p == (const PixelPacket *) NULL) || (q == (PixelPacket *) NULL)) |
| 2236 | { |
| 2237 | status=MagickFalse; |
| 2238 | continue; |
| 2239 | } |
| 2240 | q+=image->columns; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2241 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2242 | *--q=(*p++); |
| 2243 | indexes=GetCacheViewAuthenticIndexQueue(image_view); |
| 2244 | if (indexes != (IndexPacket *) NULL) |
| 2245 | { |
| 2246 | transverse_indexes=GetCacheViewAuthenticIndexQueue(transverse_view); |
| 2247 | if (transverse_indexes != (IndexPacket *) NULL) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2248 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2249 | transverse_indexes[image->columns-x-1]=indexes[x]; |
| 2250 | } |
| 2251 | sync=SyncCacheViewAuthenticPixels(transverse_view,exception); |
| 2252 | if (sync == MagickFalse) |
| 2253 | status=MagickFalse; |
| 2254 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 2255 | { |
| 2256 | MagickBooleanType |
| 2257 | proceed; |
| 2258 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 2259 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2260 | #pragma omp critical (MagickCore_TransverseImage) |
| 2261 | #endif |
| 2262 | proceed=SetImageProgress(image,TransverseImageTag,progress++, |
| 2263 | image->rows); |
| 2264 | if (proceed == MagickFalse) |
| 2265 | status=MagickFalse; |
| 2266 | } |
| 2267 | } |
| 2268 | transverse_view=DestroyCacheView(transverse_view); |
| 2269 | image_view=DestroyCacheView(image_view); |
| 2270 | transverse_image->type=image->type; |
| 2271 | page=transverse_image->page; |
| 2272 | Swap(page.width,page.height); |
| 2273 | Swap(page.x,page.y); |
| 2274 | if (page.height != 0) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2275 | page.y=(ssize_t) (page.height-transverse_image->rows-page.y); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2276 | transverse_image->page=page; |
| 2277 | if (status == MagickFalse) |
| 2278 | transverse_image=DestroyImage(transverse_image); |
| 2279 | return(transverse_image); |
| 2280 | } |
| 2281 | |
| 2282 | /* |
| 2283 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2284 | % % |
| 2285 | % % |
| 2286 | % % |
| 2287 | % T r i m I m a g e % |
| 2288 | % % |
| 2289 | % % |
| 2290 | % % |
| 2291 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2292 | % |
| 2293 | % TrimImage() trims pixels from the image edges. It allocates the memory |
| 2294 | % necessary for the new Image structure and returns a pointer to the new |
| 2295 | % image. |
| 2296 | % |
| 2297 | % The format of the TrimImage method is: |
| 2298 | % |
| 2299 | % Image *TrimImage(const Image *image,ExceptionInfo *exception) |
| 2300 | % |
| 2301 | % A description of each parameter follows: |
| 2302 | % |
| 2303 | % o image: the image. |
| 2304 | % |
| 2305 | % o exception: return any errors or warnings in this structure. |
| 2306 | % |
| 2307 | */ |
| 2308 | MagickExport Image *TrimImage(const Image *image,ExceptionInfo *exception) |
| 2309 | { |
| 2310 | RectangleInfo |
| 2311 | geometry; |
| 2312 | |
| 2313 | assert(image != (const Image *) NULL); |
| 2314 | assert(image->signature == MagickSignature); |
| 2315 | if (image->debug != MagickFalse) |
| 2316 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 2317 | geometry=GetImageBoundingBox(image,exception); |
| 2318 | if ((geometry.width == 0) || (geometry.height == 0)) |
| 2319 | { |
| 2320 | Image |
| 2321 | *crop_image; |
| 2322 | |
| 2323 | crop_image=CloneImage(image,1,1,MagickTrue,exception); |
| 2324 | if (crop_image == (Image *) NULL) |
| 2325 | return((Image *) NULL); |
| 2326 | crop_image->background_color.opacity=(Quantum) TransparentOpacity; |
| 2327 | (void) SetImageBackgroundColor(crop_image); |
| 2328 | crop_image->page=image->page; |
| 2329 | crop_image->page.x=(-1); |
| 2330 | crop_image->page.y=(-1); |
| 2331 | return(crop_image); |
| 2332 | } |
| 2333 | geometry.x+=image->page.x; |
| 2334 | geometry.y+=image->page.y; |
| 2335 | return(CropImage(image,&geometry,exception)); |
| 2336 | } |