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 | 1454be7 | 2011-12-19 01:52:48 +0000 | [diff] [blame] | 20 | % Copyright 1999-2012 ImageMagick Studio LLC, a non-profit organization % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 21 | % dedicated to making software imaging solutions freely available. % |
| 22 | % % |
| 23 | % You may not use this file except in compliance with the License. You may % |
| 24 | % obtain a copy of the License at % |
| 25 | % % |
| 26 | % http://www.imagemagick.org/script/license.php % |
| 27 | % % |
| 28 | % Unless required by applicable law or agreed to in writing, software % |
| 29 | % distributed under the License is distributed on an "AS IS" BASIS, % |
| 30 | % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % |
| 31 | % See the License for the specific language governing permissions and % |
| 32 | % limitations under the License. % |
| 33 | % % |
| 34 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 35 | % |
| 36 | % |
| 37 | */ |
| 38 | |
| 39 | /* |
| 40 | Include declarations. |
| 41 | */ |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 42 | #include "MagickCore/studio.h" |
| 43 | #include "MagickCore/attribute.h" |
| 44 | #include "MagickCore/cache.h" |
| 45 | #include "MagickCore/cache-view.h" |
| 46 | #include "MagickCore/color.h" |
| 47 | #include "MagickCore/color-private.h" |
| 48 | #include "MagickCore/colorspace-private.h" |
| 49 | #include "MagickCore/composite.h" |
| 50 | #include "MagickCore/draw.h" |
| 51 | #include "MagickCore/effect.h" |
| 52 | #include "MagickCore/exception.h" |
| 53 | #include "MagickCore/exception-private.h" |
| 54 | #include "MagickCore/geometry.h" |
| 55 | #include "MagickCore/image.h" |
| 56 | #include "MagickCore/memory_.h" |
| 57 | #include "MagickCore/layer.h" |
| 58 | #include "MagickCore/list.h" |
| 59 | #include "MagickCore/monitor.h" |
| 60 | #include "MagickCore/monitor-private.h" |
| 61 | #include "MagickCore/pixel-accessor.h" |
| 62 | #include "MagickCore/resource_.h" |
| 63 | #include "MagickCore/resize.h" |
| 64 | #include "MagickCore/statistic.h" |
| 65 | #include "MagickCore/string_.h" |
| 66 | #include "MagickCore/thread-private.h" |
| 67 | #include "MagickCore/transform.h" |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 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 | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 109 | MagickBooleanType |
cristy | 00f9537 | 2010-02-13 16:39:29 +0000 | [diff] [blame] | 110 | status; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 111 | |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 112 | MagickOffsetType |
| 113 | progress; |
| 114 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 115 | RectangleInfo |
| 116 | extent; |
| 117 | |
cristy | 9d314ff | 2011-03-09 01:30:28 +0000 | [diff] [blame] | 118 | ssize_t |
| 119 | y; |
| 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 | db07095 | 2012-04-20 14:33:00 +0000 | [diff] [blame] | 160 | image_view=AcquireVirtualCacheView(image,exception); |
| 161 | chop_view=AcquireAuthenticCacheView(chop_image,exception); |
cristy | 9a5a52f | 2012-10-09 14:40:31 +0000 | [diff] [blame^] | 162 | #if defined(MAGICKCORE_OPENMP_SUPPORT) && !defined(NoBenefitFromParallelism) |
| 163 | #pragma omp parallel for schedule(static,4) shared(progress,status) \ |
cristy | 4ee2b0c | 2012-05-15 00:30:35 +0000 | [diff] [blame] | 164 | dynamic_number_threads(image,image->columns,image->rows,1) |
cristy | 09d8117 | 2010-10-21 16:15:05 +0000 | [diff] [blame] | 165 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 166 | for (y=0; y < (ssize_t) extent.y; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 167 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 168 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 169 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 170 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 171 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 172 | x; |
| 173 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 174 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 175 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 176 | |
cristy | 00f9537 | 2010-02-13 16:39:29 +0000 | [diff] [blame] | 177 | if (status == MagickFalse) |
| 178 | continue; |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 179 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
| 180 | q=QueueCacheViewAuthenticPixels(chop_view,0,y,chop_image->columns,1, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 181 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 182 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 00f9537 | 2010-02-13 16:39:29 +0000 | [diff] [blame] | 183 | { |
| 184 | status=MagickFalse; |
| 185 | continue; |
| 186 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 187 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 188 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 189 | if ((x < extent.x) || (x >= (ssize_t) (extent.x+extent.width))) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 190 | { |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 191 | register ssize_t |
| 192 | i; |
| 193 | |
| 194 | for (i=0; i < (ssize_t) GetPixelChannels(image); i++) |
| 195 | { |
| 196 | PixelChannel |
| 197 | channel; |
| 198 | |
| 199 | PixelTrait |
| 200 | chop_traits, |
| 201 | traits; |
| 202 | |
cristy | cf1296e | 2012-08-26 23:40:49 +0000 | [diff] [blame] | 203 | channel=GetPixelChannelChannel(image,i); |
| 204 | traits=GetPixelChannelTraits(image,channel); |
| 205 | chop_traits=GetPixelChannelTraits(chop_image,channel); |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 206 | if ((traits == UndefinedPixelTrait) || |
| 207 | (chop_traits == UndefinedPixelTrait)) |
| 208 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 209 | SetPixelChannel(chop_image,channel,p[i],q); |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 210 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 211 | q+=GetPixelChannels(chop_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 212 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 213 | p+=GetPixelChannels(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 214 | } |
| 215 | if (SyncCacheViewAuthenticPixels(chop_view,exception) == MagickFalse) |
cristy | 00f9537 | 2010-02-13 16:39:29 +0000 | [diff] [blame] | 216 | status=MagickFalse; |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 217 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 218 | { |
| 219 | MagickBooleanType |
| 220 | proceed; |
| 221 | |
cristy | 9a5a52f | 2012-10-09 14:40:31 +0000 | [diff] [blame^] | 222 | #if defined(MAGICKCORE_OPENMP_SUPPORT) && !defined(NoBenefitFromParallelism) |
cristy | a5ab7ad | 2012-01-21 23:49:58 +0000 | [diff] [blame] | 223 | #pragma omp critical (MagickCore_ChopImage) |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 224 | #endif |
| 225 | proceed=SetImageProgress(image,ChopImageTag,progress++,image->rows); |
| 226 | if (proceed == MagickFalse) |
| 227 | status=MagickFalse; |
| 228 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 229 | } |
| 230 | /* |
| 231 | Extract chop image. |
| 232 | */ |
cristy | 9a5a52f | 2012-10-09 14:40:31 +0000 | [diff] [blame^] | 233 | #if defined(MAGICKCORE_OPENMP_SUPPORT) && !defined(NoBenefitFromParallelism) |
| 234 | #pragma omp parallel for schedule(static,4) shared(progress,status) \ |
cristy | 4ee2b0c | 2012-05-15 00:30:35 +0000 | [diff] [blame] | 235 | dynamic_number_threads(image,image->columns,image->rows,1) |
cristy | 09d8117 | 2010-10-21 16:15:05 +0000 | [diff] [blame] | 236 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 237 | for (y=0; y < (ssize_t) (image->rows-(extent.y+extent.height)); y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 238 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 239 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 240 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 241 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 242 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 243 | x; |
| 244 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 245 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 246 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 247 | |
cristy | 00f9537 | 2010-02-13 16:39:29 +0000 | [diff] [blame] | 248 | if (status == MagickFalse) |
| 249 | continue; |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 250 | p=GetCacheViewVirtualPixels(image_view,0,extent.y+extent.height+y, |
| 251 | image->columns,1,exception); |
| 252 | q=QueueCacheViewAuthenticPixels(chop_view,0,extent.y+y,chop_image->columns, |
| 253 | 1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 254 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 00f9537 | 2010-02-13 16:39:29 +0000 | [diff] [blame] | 255 | { |
| 256 | status=MagickFalse; |
| 257 | continue; |
| 258 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 259 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 260 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 261 | if ((x < extent.x) || (x >= (ssize_t) (extent.x+extent.width))) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 262 | { |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 263 | register ssize_t |
| 264 | i; |
| 265 | |
| 266 | for (i=0; i < (ssize_t) GetPixelChannels(image); i++) |
| 267 | { |
| 268 | PixelChannel |
| 269 | channel; |
| 270 | |
| 271 | PixelTrait |
| 272 | chop_traits, |
| 273 | traits; |
| 274 | |
cristy | cf1296e | 2012-08-26 23:40:49 +0000 | [diff] [blame] | 275 | channel=GetPixelChannelChannel(image,i); |
| 276 | traits=GetPixelChannelTraits(image,channel); |
| 277 | chop_traits=GetPixelChannelTraits(chop_image,channel); |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 278 | if ((traits == UndefinedPixelTrait) || |
| 279 | (chop_traits == UndefinedPixelTrait)) |
| 280 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 281 | SetPixelChannel(chop_image,channel,p[i],q); |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 282 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 283 | q+=GetPixelChannels(chop_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 284 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 285 | p+=GetPixelChannels(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 286 | } |
| 287 | if (SyncCacheViewAuthenticPixels(chop_view,exception) == MagickFalse) |
cristy | 00f9537 | 2010-02-13 16:39:29 +0000 | [diff] [blame] | 288 | status=MagickFalse; |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 289 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 290 | { |
| 291 | MagickBooleanType |
| 292 | proceed; |
| 293 | |
cristy | 9a5a52f | 2012-10-09 14:40:31 +0000 | [diff] [blame^] | 294 | #if defined(MAGICKCORE_OPENMP_SUPPORT) && !defined(NoBenefitFromParallelism) |
cristy | a5ab7ad | 2012-01-21 23:49:58 +0000 | [diff] [blame] | 295 | #pragma omp critical (MagickCore_ChopImage) |
cristy | c2b1fb8 | 2010-10-25 13:01:28 +0000 | [diff] [blame] | 296 | #endif |
| 297 | proceed=SetImageProgress(image,ChopImageTag,progress++,image->rows); |
| 298 | if (proceed == MagickFalse) |
| 299 | status=MagickFalse; |
| 300 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 301 | } |
| 302 | chop_view=DestroyCacheView(chop_view); |
| 303 | image_view=DestroyCacheView(image_view); |
| 304 | chop_image->type=image->type; |
| 305 | return(chop_image); |
| 306 | } |
| 307 | |
| 308 | /* |
| 309 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 310 | % % |
| 311 | % % |
| 312 | % % |
| 313 | + C o n s o l i d a t e C M Y K I m a g e % |
| 314 | % % |
| 315 | % % |
| 316 | % % |
| 317 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 318 | % |
| 319 | % ConsolidateCMYKImage() consolidates separate C, M, Y, and K planes into a |
| 320 | % single image. |
| 321 | % |
| 322 | % The format of the ConsolidateCMYKImage method is: |
| 323 | % |
| 324 | % Image *ConsolidateCMYKImage(const Image *image,ExceptionInfo *exception) |
| 325 | % |
| 326 | % A description of each parameter follows: |
| 327 | % |
| 328 | % o image: the image sequence. |
| 329 | % |
| 330 | % o exception: return any errors or warnings in this structure. |
| 331 | % |
| 332 | */ |
| 333 | MagickExport Image *ConsolidateCMYKImages(const Image *images, |
| 334 | ExceptionInfo *exception) |
| 335 | { |
cristy | c5c6f66 | 2010-09-22 14:23:02 +0000 | [diff] [blame] | 336 | CacheView |
| 337 | *cmyk_view, |
| 338 | *image_view; |
cristy | 2224dcd | 2010-11-15 00:49:30 +0000 | [diff] [blame] | 339 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 340 | Image |
| 341 | *cmyk_image, |
| 342 | *cmyk_images; |
| 343 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 344 | register ssize_t |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 345 | j; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 346 | |
cristy | 2224dcd | 2010-11-15 00:49:30 +0000 | [diff] [blame] | 347 | ssize_t |
| 348 | y; |
| 349 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 350 | /* |
| 351 | Consolidate separate C, M, Y, and K planes into a single image. |
| 352 | */ |
| 353 | assert(images != (Image *) NULL); |
| 354 | assert(images->signature == MagickSignature); |
| 355 | if (images->debug != MagickFalse) |
| 356 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename); |
| 357 | assert(exception != (ExceptionInfo *) NULL); |
| 358 | assert(exception->signature == MagickSignature); |
| 359 | cmyk_images=NewImageList(); |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 360 | for (j=0; j < (ssize_t) GetImageListLength(images); j+=4) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 361 | { |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 362 | register ssize_t |
| 363 | i; |
| 364 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 365 | cmyk_image=CloneImage(images,images->columns,images->rows,MagickTrue, |
| 366 | exception); |
| 367 | if (cmyk_image == (Image *) NULL) |
| 368 | break; |
cristy | 574cc26 | 2011-08-05 01:23:58 +0000 | [diff] [blame] | 369 | if (SetImageStorageClass(cmyk_image,DirectClass,exception) == MagickFalse) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 370 | break; |
cristy | 6324088 | 2011-08-05 19:05:27 +0000 | [diff] [blame] | 371 | (void) SetImageColorspace(cmyk_image,CMYKColorspace,exception); |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 372 | for (i=0; i < 4; i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 373 | { |
cristy | db07095 | 2012-04-20 14:33:00 +0000 | [diff] [blame] | 374 | image_view=AcquireVirtualCacheView(images,exception); |
| 375 | cmyk_view=AcquireAuthenticCacheView(cmyk_image,exception); |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 376 | for (y=0; y < (ssize_t) images->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 377 | { |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 378 | register const Quantum |
| 379 | *restrict p; |
| 380 | |
| 381 | register ssize_t |
| 382 | x; |
| 383 | |
| 384 | register Quantum |
| 385 | *restrict q; |
| 386 | |
| 387 | p=GetCacheViewVirtualPixels(image_view,0,y,images->columns,1,exception); |
| 388 | q=QueueCacheViewAuthenticPixels(cmyk_view,0,y,cmyk_image->columns,1, |
| 389 | exception); |
| 390 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
| 391 | break; |
| 392 | for (x=0; x < (ssize_t) images->columns; x++) |
| 393 | { |
| 394 | Quantum |
| 395 | pixel; |
| 396 | |
| 397 | pixel=QuantumRange-GetPixelIntensity(images,p); |
| 398 | switch (i) |
| 399 | { |
| 400 | case 0: SetPixelCyan(cmyk_image,pixel,q); break; |
| 401 | case 1: SetPixelMagenta(cmyk_image,pixel,q); break; |
| 402 | case 2: SetPixelYellow(cmyk_image,pixel,q); break; |
| 403 | case 3: SetPixelBlack(cmyk_image,pixel,q); break; |
| 404 | default: break; |
| 405 | } |
| 406 | p+=GetPixelChannels(images); |
| 407 | q+=GetPixelChannels(cmyk_image); |
| 408 | } |
| 409 | if (SyncCacheViewAuthenticPixels(cmyk_view,exception) == MagickFalse) |
| 410 | break; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 411 | } |
cristy | d000c80 | 2011-09-20 02:03:18 +0000 | [diff] [blame] | 412 | cmyk_view=DestroyCacheView(cmyk_view); |
| 413 | image_view=DestroyCacheView(image_view); |
| 414 | images=GetNextImageInList(images); |
| 415 | if (images == (Image *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 416 | break; |
| 417 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 418 | AppendImageToList(&cmyk_images,cmyk_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 419 | } |
| 420 | return(cmyk_images); |
| 421 | } |
| 422 | |
| 423 | /* |
| 424 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 425 | % % |
| 426 | % % |
| 427 | % % |
| 428 | % C r o p I m a g e % |
| 429 | % % |
| 430 | % % |
| 431 | % % |
| 432 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 433 | % |
| 434 | % CropImage() extracts a region of the image starting at the offset defined |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 435 | % by geometry. Region must be fully defined, and no special handling of |
| 436 | % geometry flags is performed. |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 437 | % |
| 438 | % The format of the CropImage method is: |
| 439 | % |
| 440 | % Image *CropImage(const Image *image,const RectangleInfo *geometry, |
| 441 | % ExceptionInfo *exception) |
| 442 | % |
| 443 | % A description of each parameter follows: |
| 444 | % |
| 445 | % o image: the image. |
| 446 | % |
| 447 | % o geometry: Define the region of the image to crop with members |
| 448 | % x, y, width, and height. |
| 449 | % |
| 450 | % o exception: return any errors or warnings in this structure. |
| 451 | % |
| 452 | */ |
| 453 | MagickExport Image *CropImage(const Image *image,const RectangleInfo *geometry, |
| 454 | ExceptionInfo *exception) |
| 455 | { |
| 456 | #define CropImageTag "Crop/Image" |
| 457 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 458 | CacheView |
| 459 | *crop_view, |
| 460 | *image_view; |
| 461 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 462 | Image |
| 463 | *crop_image; |
| 464 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 465 | MagickBooleanType |
| 466 | status; |
| 467 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 468 | MagickOffsetType |
| 469 | progress; |
| 470 | |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 471 | OffsetInfo |
| 472 | offset; |
| 473 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 474 | RectangleInfo |
| 475 | bounding_box, |
| 476 | page; |
| 477 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 478 | ssize_t |
| 479 | y; |
| 480 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 481 | /* |
| 482 | Check crop geometry. |
| 483 | */ |
| 484 | assert(image != (const Image *) NULL); |
| 485 | assert(image->signature == MagickSignature); |
| 486 | if (image->debug != MagickFalse) |
| 487 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 488 | assert(geometry != (const RectangleInfo *) NULL); |
| 489 | assert(exception != (ExceptionInfo *) NULL); |
| 490 | assert(exception->signature == MagickSignature); |
| 491 | bounding_box=image->page; |
| 492 | if ((bounding_box.width == 0) || (bounding_box.height == 0)) |
| 493 | { |
| 494 | bounding_box.width=image->columns; |
| 495 | bounding_box.height=image->rows; |
| 496 | } |
| 497 | page=(*geometry); |
| 498 | if (page.width == 0) |
| 499 | page.width=bounding_box.width; |
| 500 | if (page.height == 0) |
| 501 | page.height=bounding_box.height; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 502 | if (((bounding_box.x-page.x) >= (ssize_t) page.width) || |
| 503 | ((bounding_box.y-page.y) >= (ssize_t) page.height) || |
| 504 | ((page.x-bounding_box.x) > (ssize_t) image->columns) || |
| 505 | ((page.y-bounding_box.y) > (ssize_t) image->rows)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 506 | { |
| 507 | /* |
| 508 | Crop is not within virtual canvas, return 1 pixel transparent image. |
| 509 | */ |
| 510 | (void) ThrowMagickException(exception,GetMagickModule(),OptionWarning, |
anthony | e5b3965 | 2012-04-21 05:37:29 +0000 | [diff] [blame] | 511 | "GeometryDoesNotContainImage","'%s'",image->filename); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 512 | crop_image=CloneImage(image,1,1,MagickTrue,exception); |
| 513 | if (crop_image == (Image *) NULL) |
| 514 | return((Image *) NULL); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 515 | crop_image->background_color.alpha=(Quantum) TransparentAlpha; |
cristy | ea1a8aa | 2011-10-20 13:24:06 +0000 | [diff] [blame] | 516 | (void) SetImageBackgroundColor(crop_image,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 517 | crop_image->page=bounding_box; |
| 518 | crop_image->page.x=(-1); |
| 519 | crop_image->page.y=(-1); |
| 520 | if (crop_image->dispose == BackgroundDispose) |
| 521 | crop_image->dispose=NoneDispose; |
| 522 | return(crop_image); |
| 523 | } |
| 524 | if ((page.x < 0) && (bounding_box.x >= 0)) |
| 525 | { |
| 526 | page.width+=page.x-bounding_box.x; |
| 527 | page.x=0; |
| 528 | } |
| 529 | else |
| 530 | { |
| 531 | page.width-=bounding_box.x-page.x; |
| 532 | page.x-=bounding_box.x; |
| 533 | if (page.x < 0) |
| 534 | page.x=0; |
| 535 | } |
| 536 | if ((page.y < 0) && (bounding_box.y >= 0)) |
| 537 | { |
| 538 | page.height+=page.y-bounding_box.y; |
| 539 | page.y=0; |
| 540 | } |
| 541 | else |
| 542 | { |
| 543 | page.height-=bounding_box.y-page.y; |
| 544 | page.y-=bounding_box.y; |
| 545 | if (page.y < 0) |
| 546 | page.y=0; |
| 547 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 548 | if ((size_t) (page.x+page.width) > image->columns) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 549 | page.width=image->columns-page.x; |
cristy | 1e4aa46 | 2010-02-15 00:04:18 +0000 | [diff] [blame] | 550 | if ((geometry->width != 0) && (page.width > geometry->width)) |
| 551 | page.width=geometry->width; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 552 | if ((size_t) (page.y+page.height) > image->rows) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 553 | page.height=image->rows-page.y; |
cristy | 1e4aa46 | 2010-02-15 00:04:18 +0000 | [diff] [blame] | 554 | if ((geometry->height != 0) && (page.height > geometry->height)) |
| 555 | page.height=geometry->height; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 556 | bounding_box.x+=page.x; |
| 557 | bounding_box.y+=page.y; |
| 558 | if ((page.width == 0) || (page.height == 0)) |
| 559 | { |
| 560 | (void) ThrowMagickException(exception,GetMagickModule(),OptionWarning, |
anthony | e5b3965 | 2012-04-21 05:37:29 +0000 | [diff] [blame] | 561 | "GeometryDoesNotContainImage","'%s'",image->filename); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 562 | return((Image *) NULL); |
| 563 | } |
| 564 | /* |
| 565 | Initialize crop image attributes. |
| 566 | */ |
| 567 | crop_image=CloneImage(image,page.width,page.height,MagickTrue,exception); |
| 568 | if (crop_image == (Image *) NULL) |
| 569 | return((Image *) NULL); |
| 570 | crop_image->page.width=image->page.width; |
| 571 | crop_image->page.height=image->page.height; |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 572 | offset.x=(ssize_t) (bounding_box.x+bounding_box.width); |
| 573 | offset.y=(ssize_t) (bounding_box.y+bounding_box.height); |
| 574 | if ((offset.x > (ssize_t) image->page.width) || |
| 575 | (offset.y > (ssize_t) image->page.height)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 576 | { |
| 577 | crop_image->page.width=bounding_box.width; |
| 578 | crop_image->page.height=bounding_box.height; |
| 579 | } |
| 580 | crop_image->page.x=bounding_box.x; |
| 581 | crop_image->page.y=bounding_box.y; |
| 582 | /* |
| 583 | Crop image. |
| 584 | */ |
| 585 | status=MagickTrue; |
| 586 | progress=0; |
cristy | db07095 | 2012-04-20 14:33:00 +0000 | [diff] [blame] | 587 | image_view=AcquireVirtualCacheView(image,exception); |
| 588 | crop_view=AcquireAuthenticCacheView(crop_image,exception); |
cristy | 2224dcd | 2010-11-15 00:49:30 +0000 | [diff] [blame] | 589 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 9056d64 | 2012-10-09 01:33:00 +0000 | [diff] [blame] | 590 | #pragma omp parallel for schedule(static,4) shared(progress,status) \ |
cristy | 4ee2b0c | 2012-05-15 00:30:35 +0000 | [diff] [blame] | 591 | dynamic_number_threads(image,image->columns,image->rows,1) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 592 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 593 | for (y=0; y < (ssize_t) crop_image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 594 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 595 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 596 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 597 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 598 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 599 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 600 | |
cristy | 5ce8df8 | 2011-07-07 14:52:23 +0000 | [diff] [blame] | 601 | register ssize_t |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 602 | x; |
| 603 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 604 | if (status == MagickFalse) |
| 605 | continue; |
| 606 | p=GetCacheViewVirtualPixels(image_view,page.x,page.y+y,crop_image->columns, |
| 607 | 1,exception); |
| 608 | q=QueueCacheViewAuthenticPixels(crop_view,0,y,crop_image->columns,1, |
| 609 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 610 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 611 | { |
| 612 | status=MagickFalse; |
| 613 | continue; |
| 614 | } |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 615 | for (x=0; x < (ssize_t) crop_image->columns; x++) |
| 616 | { |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 617 | register ssize_t |
| 618 | i; |
| 619 | |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 620 | if (GetPixelMask(image,p) != 0) |
| 621 | { |
| 622 | p+=GetPixelChannels(image); |
| 623 | q+=GetPixelChannels(crop_image); |
| 624 | continue; |
| 625 | } |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 626 | for (i=0; i < (ssize_t) GetPixelChannels(image); i++) |
| 627 | { |
| 628 | PixelChannel |
| 629 | channel; |
| 630 | |
| 631 | PixelTrait |
| 632 | crop_traits, |
| 633 | traits; |
| 634 | |
cristy | cf1296e | 2012-08-26 23:40:49 +0000 | [diff] [blame] | 635 | channel=GetPixelChannelChannel(image,i); |
| 636 | traits=GetPixelChannelTraits(image,channel); |
| 637 | crop_traits=GetPixelChannelTraits(crop_image,channel); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 638 | if ((traits == UndefinedPixelTrait) || |
| 639 | (crop_traits == UndefinedPixelTrait)) |
| 640 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 641 | SetPixelChannel(crop_image,channel,p[i],q); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 642 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 643 | p+=GetPixelChannels(image); |
| 644 | q+=GetPixelChannels(crop_image); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 645 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 646 | if (SyncCacheViewAuthenticPixels(crop_view,exception) == MagickFalse) |
| 647 | status=MagickFalse; |
| 648 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 649 | { |
| 650 | MagickBooleanType |
| 651 | proceed; |
| 652 | |
cristy | 2224dcd | 2010-11-15 00:49:30 +0000 | [diff] [blame] | 653 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | a5ab7ad | 2012-01-21 23:49:58 +0000 | [diff] [blame] | 654 | #pragma omp critical (MagickCore_CropImage) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 655 | #endif |
| 656 | proceed=SetImageProgress(image,CropImageTag,progress++,image->rows); |
| 657 | if (proceed == MagickFalse) |
| 658 | status=MagickFalse; |
| 659 | } |
| 660 | } |
| 661 | crop_view=DestroyCacheView(crop_view); |
| 662 | image_view=DestroyCacheView(image_view); |
| 663 | crop_image->type=image->type; |
| 664 | if (status == MagickFalse) |
| 665 | crop_image=DestroyImage(crop_image); |
| 666 | return(crop_image); |
| 667 | } |
| 668 | |
| 669 | /* |
| 670 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 671 | % % |
| 672 | % % |
| 673 | % % |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 674 | % C r o p I m a g e T o T i l e s % |
| 675 | % % |
| 676 | % % |
| 677 | % % |
| 678 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 679 | % |
cristy | faf4955 | 2011-09-16 01:37:07 +0000 | [diff] [blame] | 680 | % CropImageToTiles() crops a single image, into a possible list of tiles. |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 681 | % This may include a single sub-region of the image. This basically applies |
| 682 | % all the normal geometry flags for Crop. |
| 683 | % |
cristy | faf4955 | 2011-09-16 01:37:07 +0000 | [diff] [blame] | 684 | % Image *CropImageToTiles(const Image *image, |
| 685 | % const RectangleInfo *crop_geometry, ExceptionInfo *exception) |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 686 | % |
| 687 | % A description of each parameter follows: |
| 688 | % |
| 689 | % o image: the image The transformed image is returned as this parameter. |
| 690 | % |
| 691 | % o crop_geometry: A crop geometry string. |
| 692 | % |
| 693 | % o exception: return any errors or warnings in this structure. |
| 694 | % |
| 695 | */ |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 696 | |
cristy | a19f1d7 | 2012-08-07 18:24:38 +0000 | [diff] [blame] | 697 | static inline ssize_t MagickRound(double x) |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 698 | { |
| 699 | /* |
| 700 | Round the fraction to nearest integer. |
| 701 | */ |
| 702 | if (x >= 0.0) |
| 703 | return((ssize_t) (x+0.5)); |
| 704 | return((ssize_t) (x-0.5)); |
| 705 | } |
| 706 | |
| 707 | MagickExport Image *CropImageToTiles(const Image *image, |
cristy | 9ec43c1 | 2012-03-03 15:11:08 +0000 | [diff] [blame] | 708 | const char *crop_geometry,ExceptionInfo *exception) |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 709 | { |
| 710 | Image |
| 711 | *next, |
| 712 | *crop_image; |
| 713 | |
| 714 | MagickStatusType |
| 715 | flags; |
| 716 | |
| 717 | RectangleInfo |
| 718 | geometry; |
| 719 | |
| 720 | assert(image != (Image *) NULL); |
| 721 | assert(image->signature == MagickSignature); |
| 722 | if (image->debug != MagickFalse) |
| 723 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 724 | crop_image=NewImageList(); |
| 725 | next=NewImageList(); |
| 726 | flags=ParseGravityGeometry(image,crop_geometry,&geometry,exception); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 727 | if ((flags & AreaValue) != 0) |
| 728 | { |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 729 | PointInfo |
| 730 | delta, |
| 731 | offset; |
| 732 | |
| 733 | RectangleInfo |
| 734 | crop; |
| 735 | |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 736 | size_t |
| 737 | height, |
| 738 | width; |
| 739 | |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 740 | /* |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 741 | Crop into NxM tiles (@ flag). |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 742 | */ |
| 743 | width=image->columns; |
| 744 | height=image->rows; |
| 745 | if (geometry.width == 0) |
| 746 | geometry.width=1; |
| 747 | if (geometry.height == 0) |
| 748 | geometry.height=1; |
| 749 | if ((flags & AspectValue) == 0) |
| 750 | { |
| 751 | width-=(geometry.x < 0 ? -1 : 1)*geometry.x; |
| 752 | height-=(geometry.y < 0 ? -1 : 1)*geometry.y; |
| 753 | } |
| 754 | else |
| 755 | { |
| 756 | width+=(geometry.x < 0 ? -1 : 1)*geometry.x; |
| 757 | height+=(geometry.y < 0 ? -1 : 1)*geometry.y; |
| 758 | } |
cristy | 240ae87 | 2011-12-02 12:05:20 +0000 | [diff] [blame] | 759 | delta.x=(double) width/geometry.width; |
| 760 | delta.y=(double) height/geometry.height; |
cristy | 9ec43c1 | 2012-03-03 15:11:08 +0000 | [diff] [blame] | 761 | if (delta.x < 1.0) |
| 762 | delta.x=1.0; |
| 763 | if (delta.y < 1.0) |
| 764 | delta.y=1.0; |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 765 | for (offset.y=0; offset.y < (double) height; ) |
| 766 | { |
| 767 | if ((flags & AspectValue) == 0) |
| 768 | { |
cristy | a19f1d7 | 2012-08-07 18:24:38 +0000 | [diff] [blame] | 769 | crop.y=(ssize_t) MagickRound((double) (offset.y- |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 770 | (geometry.y > 0 ? 0 : geometry.y))); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 771 | offset.y+=delta.y; /* increment now to find width */ |
cristy | a19f1d7 | 2012-08-07 18:24:38 +0000 | [diff] [blame] | 772 | crop.height=(size_t) MagickRound((double) (offset.y+ |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 773 | (geometry.y < 0 ? 0 : geometry.y))); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 774 | } |
| 775 | else |
| 776 | { |
cristy | a19f1d7 | 2012-08-07 18:24:38 +0000 | [diff] [blame] | 777 | crop.y=(ssize_t) MagickRound((double) (offset.y- |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 778 | (geometry.y > 0 ? geometry.y : 0))); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 779 | offset.y+=delta.y; /* increment now to find width */ |
cristy | a19f1d7 | 2012-08-07 18:24:38 +0000 | [diff] [blame] | 780 | crop.height=(size_t) MagickRound((double) |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 781 | (offset.y+(geometry.y < -1 ? geometry.y : 0))); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 782 | } |
| 783 | crop.height-=crop.y; |
| 784 | crop.y+=image->page.y; |
| 785 | for (offset.x=0; offset.x < (double) width; ) |
| 786 | { |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 787 | if ((flags & AspectValue) == 0) |
| 788 | { |
cristy | a19f1d7 | 2012-08-07 18:24:38 +0000 | [diff] [blame] | 789 | crop.x=(ssize_t) MagickRound((double) (offset.x- |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 790 | (geometry.x > 0 ? 0 : geometry.x))); |
| 791 | offset.x+=delta.x; /* increment now to find height */ |
cristy | a19f1d7 | 2012-08-07 18:24:38 +0000 | [diff] [blame] | 792 | crop.width=(size_t) MagickRound((double) (offset.x+ |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 793 | (geometry.x < 0 ? 0 : geometry.x))); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 794 | } |
| 795 | else |
| 796 | { |
cristy | a19f1d7 | 2012-08-07 18:24:38 +0000 | [diff] [blame] | 797 | crop.x=(ssize_t) MagickRound((double) (offset.x- |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 798 | (geometry.x > 0 ? geometry.x : 0))); |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 799 | offset.x+=delta.x; /* increment now to find height */ |
cristy | a19f1d7 | 2012-08-07 18:24:38 +0000 | [diff] [blame] | 800 | crop.width=(size_t) MagickRound((double) (offset.x+ |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 801 | (geometry.x < 0 ? geometry.x : 0))); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 802 | } |
| 803 | crop.width-=crop.x; |
| 804 | crop.x+=image->page.x; |
cristy | bf46f10 | 2011-08-01 18:00:16 +0000 | [diff] [blame] | 805 | next=CropImage(image,&crop,exception); |
| 806 | if (next == (Image *) NULL) |
| 807 | break; |
| 808 | AppendImageToList(&crop_image,next); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 809 | } |
| 810 | if (next == (Image *) NULL) |
| 811 | break; |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 812 | } |
cristy | 52224bf | 2011-08-01 18:17:07 +0000 | [diff] [blame] | 813 | ClearMagickException(exception); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 814 | return(crop_image); |
| 815 | } |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 816 | if (((geometry.width == 0) && (geometry.height == 0)) || |
| 817 | ((flags & XValue) != 0) || ((flags & YValue) != 0)) |
| 818 | { |
| 819 | /* |
| 820 | Crop a single region at +X+Y. |
| 821 | */ |
| 822 | crop_image=CropImage(image,&geometry,exception); |
| 823 | if ((crop_image != (Image *) NULL) && ((flags & AspectValue) != 0)) |
| 824 | { |
| 825 | crop_image->page.width=geometry.width; |
| 826 | crop_image->page.height=geometry.height; |
| 827 | crop_image->page.x-=geometry.x; |
| 828 | crop_image->page.y-=geometry.y; |
| 829 | } |
| 830 | return(crop_image); |
cristy | 9ec43c1 | 2012-03-03 15:11:08 +0000 | [diff] [blame] | 831 | } |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 832 | if ((image->columns > geometry.width) || (image->rows > geometry.height)) |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 833 | { |
cristy | fde3fa5 | 2011-07-22 17:49:35 +0000 | [diff] [blame] | 834 | RectangleInfo |
| 835 | page; |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 836 | |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 837 | size_t |
| 838 | height, |
| 839 | width; |
| 840 | |
| 841 | ssize_t |
| 842 | x, |
| 843 | y; |
| 844 | |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 845 | /* |
| 846 | Crop into tiles of fixed size WxH. |
| 847 | */ |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 848 | page=image->page; |
| 849 | if (page.width == 0) |
| 850 | page.width=image->columns; |
anthony | 5ea220b | 2011-04-22 13:15:46 +0000 | [diff] [blame] | 851 | if (page.height == 0) |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 852 | page.height=image->rows; |
anthony | 5ea220b | 2011-04-22 13:15:46 +0000 | [diff] [blame] | 853 | width=geometry.width; |
| 854 | if (width == 0) |
| 855 | width=page.width; |
| 856 | height=geometry.height; |
| 857 | if (height == 0) |
| 858 | height=page.height; |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 859 | next=NewImageList(); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 860 | for (y=0; y < (ssize_t) page.height; y+=(ssize_t) height) |
| 861 | { |
| 862 | for (x=0; x < (ssize_t) page.width; x+=(ssize_t) width) |
| 863 | { |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 864 | geometry.width=width; |
| 865 | geometry.height=height; |
| 866 | geometry.x=x; |
| 867 | geometry.y=y; |
| 868 | next=CropImage(image,&geometry,exception); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 869 | if (next == (Image *) NULL) |
| 870 | break; |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 871 | AppendImageToList(&crop_image,next); |
| 872 | } |
| 873 | if (next == (Image *) NULL) |
| 874 | break; |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 875 | } |
| 876 | return(crop_image); |
| 877 | } |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 878 | return(CloneImage(image,0,0,MagickTrue,exception)); |
| 879 | } |
| 880 | |
| 881 | /* |
| 882 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 883 | % % |
| 884 | % % |
| 885 | % % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 886 | % E x c e r p t I m a g e % |
| 887 | % % |
| 888 | % % |
| 889 | % % |
| 890 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 891 | % |
| 892 | % ExcerptImage() returns a excerpt of the image as defined by the geometry. |
| 893 | % |
| 894 | % The format of the ExcerptImage method is: |
| 895 | % |
| 896 | % Image *ExcerptImage(const Image *image,const RectangleInfo *geometry, |
| 897 | % ExceptionInfo *exception) |
| 898 | % |
| 899 | % A description of each parameter follows: |
| 900 | % |
| 901 | % o image: the image. |
| 902 | % |
| 903 | % o geometry: Define the region of the image to extend with members |
| 904 | % x, y, width, and height. |
| 905 | % |
| 906 | % o exception: return any errors or warnings in this structure. |
| 907 | % |
| 908 | */ |
| 909 | MagickExport Image *ExcerptImage(const Image *image, |
| 910 | const RectangleInfo *geometry,ExceptionInfo *exception) |
| 911 | { |
| 912 | #define ExcerptImageTag "Excerpt/Image" |
| 913 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 914 | CacheView |
| 915 | *excerpt_view, |
| 916 | *image_view; |
| 917 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 918 | Image |
| 919 | *excerpt_image; |
| 920 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 921 | MagickBooleanType |
| 922 | status; |
| 923 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 924 | MagickOffsetType |
| 925 | progress; |
| 926 | |
| 927 | ssize_t |
| 928 | y; |
| 929 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 930 | /* |
| 931 | Allocate excerpt image. |
| 932 | */ |
| 933 | assert(image != (const Image *) NULL); |
| 934 | assert(image->signature == MagickSignature); |
| 935 | if (image->debug != MagickFalse) |
| 936 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 937 | assert(geometry != (const RectangleInfo *) NULL); |
| 938 | assert(exception != (ExceptionInfo *) NULL); |
| 939 | assert(exception->signature == MagickSignature); |
| 940 | excerpt_image=CloneImage(image,geometry->width,geometry->height,MagickTrue, |
| 941 | exception); |
| 942 | if (excerpt_image == (Image *) NULL) |
| 943 | return((Image *) NULL); |
| 944 | /* |
| 945 | Excerpt each row. |
| 946 | */ |
| 947 | status=MagickTrue; |
| 948 | progress=0; |
cristy | db07095 | 2012-04-20 14:33:00 +0000 | [diff] [blame] | 949 | image_view=AcquireVirtualCacheView(image,exception); |
| 950 | excerpt_view=AcquireAuthenticCacheView(excerpt_image,exception); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 951 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | ac245f8 | 2012-05-05 17:13:57 +0000 | [diff] [blame] | 952 | #pragma omp parallel for schedule(static,4) shared(progress,status) \ |
cristy | 4ee2b0c | 2012-05-15 00:30:35 +0000 | [diff] [blame] | 953 | dynamic_number_threads(image,image->columns,image->rows,1) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 954 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 955 | for (y=0; y < (ssize_t) excerpt_image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 956 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 957 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 958 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 959 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 960 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 961 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 962 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 963 | register ssize_t |
| 964 | x; |
| 965 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 966 | if (status == MagickFalse) |
| 967 | continue; |
| 968 | p=GetCacheViewVirtualPixels(image_view,geometry->x,geometry->y+y, |
| 969 | geometry->width,1,exception); |
| 970 | q=GetCacheViewAuthenticPixels(excerpt_view,0,y,excerpt_image->columns,1, |
| 971 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 972 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 973 | { |
| 974 | status=MagickFalse; |
| 975 | continue; |
| 976 | } |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 977 | for (x=0; x < (ssize_t) excerpt_image->columns; x++) |
| 978 | { |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 979 | register ssize_t |
| 980 | i; |
| 981 | |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 982 | if (GetPixelMask(image,p) != 0) |
| 983 | { |
| 984 | p+=GetPixelChannels(image); |
| 985 | q+=GetPixelChannels(excerpt_image); |
| 986 | continue; |
| 987 | } |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 988 | for (i=0; i < (ssize_t) GetPixelChannels(image); i++) |
| 989 | { |
| 990 | PixelChannel |
| 991 | channel; |
| 992 | |
| 993 | PixelTrait |
| 994 | excerpt_traits, |
| 995 | traits; |
| 996 | |
cristy | cf1296e | 2012-08-26 23:40:49 +0000 | [diff] [blame] | 997 | channel=GetPixelChannelChannel(image,i); |
| 998 | traits=GetPixelChannelTraits(image,channel); |
| 999 | excerpt_traits=GetPixelChannelTraits(excerpt_image,channel); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1000 | if ((traits == UndefinedPixelTrait) || |
| 1001 | (excerpt_traits == UndefinedPixelTrait)) |
| 1002 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 1003 | SetPixelChannel(excerpt_image,channel,p[i],q); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1004 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1005 | p+=GetPixelChannels(image); |
| 1006 | q+=GetPixelChannels(excerpt_image); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1007 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1008 | if (SyncCacheViewAuthenticPixels(excerpt_view,exception) == MagickFalse) |
| 1009 | status=MagickFalse; |
| 1010 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 1011 | { |
| 1012 | MagickBooleanType |
| 1013 | proceed; |
| 1014 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 1015 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | a5ab7ad | 2012-01-21 23:49:58 +0000 | [diff] [blame] | 1016 | #pragma omp critical (MagickCore_ExcerptImage) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1017 | #endif |
| 1018 | proceed=SetImageProgress(image,ExcerptImageTag,progress++,image->rows); |
| 1019 | if (proceed == MagickFalse) |
| 1020 | status=MagickFalse; |
| 1021 | } |
| 1022 | } |
| 1023 | excerpt_view=DestroyCacheView(excerpt_view); |
| 1024 | image_view=DestroyCacheView(image_view); |
| 1025 | excerpt_image->type=image->type; |
| 1026 | if (status == MagickFalse) |
| 1027 | excerpt_image=DestroyImage(excerpt_image); |
| 1028 | return(excerpt_image); |
| 1029 | } |
| 1030 | |
| 1031 | /* |
| 1032 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1033 | % % |
| 1034 | % % |
| 1035 | % % |
| 1036 | % E x t e n t I m a g e % |
| 1037 | % % |
| 1038 | % % |
| 1039 | % % |
| 1040 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1041 | % |
| 1042 | % ExtentImage() extends the image as defined by the geometry, gravity, and |
| 1043 | % image background color. Set the (x,y) offset of the geometry to move the |
| 1044 | % original image relative to the extended image. |
| 1045 | % |
| 1046 | % The format of the ExtentImage method is: |
| 1047 | % |
| 1048 | % Image *ExtentImage(const Image *image,const RectangleInfo *geometry, |
| 1049 | % ExceptionInfo *exception) |
| 1050 | % |
| 1051 | % A description of each parameter follows: |
| 1052 | % |
| 1053 | % o image: the image. |
| 1054 | % |
| 1055 | % o geometry: Define the region of the image to extend with members |
| 1056 | % x, y, width, and height. |
| 1057 | % |
| 1058 | % o exception: return any errors or warnings in this structure. |
| 1059 | % |
| 1060 | */ |
| 1061 | MagickExport Image *ExtentImage(const Image *image, |
| 1062 | const RectangleInfo *geometry,ExceptionInfo *exception) |
| 1063 | { |
| 1064 | Image |
| 1065 | *extent_image; |
| 1066 | |
| 1067 | /* |
| 1068 | Allocate extent image. |
| 1069 | */ |
| 1070 | assert(image != (const Image *) NULL); |
| 1071 | assert(image->signature == MagickSignature); |
| 1072 | if (image->debug != MagickFalse) |
| 1073 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1074 | assert(geometry != (const RectangleInfo *) NULL); |
| 1075 | assert(exception != (ExceptionInfo *) NULL); |
| 1076 | assert(exception->signature == MagickSignature); |
| 1077 | extent_image=CloneImage(image,geometry->width,geometry->height,MagickTrue, |
| 1078 | exception); |
| 1079 | if (extent_image == (Image *) NULL) |
| 1080 | return((Image *) NULL); |
cristy | 574cc26 | 2011-08-05 01:23:58 +0000 | [diff] [blame] | 1081 | if (SetImageStorageClass(extent_image,DirectClass,exception) == MagickFalse) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1082 | { |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1083 | extent_image=DestroyImage(extent_image); |
| 1084 | return((Image *) NULL); |
| 1085 | } |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1086 | if (extent_image->background_color.alpha != OpaqueAlpha) |
cristy | 8a46d82 | 2012-08-28 23:32:39 +0000 | [diff] [blame] | 1087 | extent_image->alpha_trait=BlendPixelTrait; |
cristy | ea1a8aa | 2011-10-20 13:24:06 +0000 | [diff] [blame] | 1088 | (void) SetImageBackgroundColor(extent_image,exception); |
cristy | 3917240 | 2012-03-30 13:04:39 +0000 | [diff] [blame] | 1089 | (void) CompositeImage(extent_image,image,image->compose,MagickTrue, |
cristy | feb3e96 | 2012-03-29 17:25:55 +0000 | [diff] [blame] | 1090 | -geometry->x,-geometry->y,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1091 | return(extent_image); |
| 1092 | } |
| 1093 | |
| 1094 | /* |
| 1095 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1096 | % % |
| 1097 | % % |
| 1098 | % % |
| 1099 | % F l i p I m a g e % |
| 1100 | % % |
| 1101 | % % |
| 1102 | % % |
| 1103 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1104 | % |
| 1105 | % FlipImage() creates a vertical mirror image by reflecting the pixels |
| 1106 | % around the central x-axis. |
| 1107 | % |
| 1108 | % The format of the FlipImage method is: |
| 1109 | % |
| 1110 | % Image *FlipImage(const Image *image,ExceptionInfo *exception) |
| 1111 | % |
| 1112 | % A description of each parameter follows: |
| 1113 | % |
| 1114 | % o image: the image. |
| 1115 | % |
| 1116 | % o exception: return any errors or warnings in this structure. |
| 1117 | % |
| 1118 | */ |
| 1119 | MagickExport Image *FlipImage(const Image *image,ExceptionInfo *exception) |
| 1120 | { |
| 1121 | #define FlipImageTag "Flip/Image" |
| 1122 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 1123 | CacheView |
| 1124 | *flip_view, |
| 1125 | *image_view; |
| 1126 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1127 | Image |
| 1128 | *flip_image; |
| 1129 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1130 | MagickBooleanType |
| 1131 | status; |
| 1132 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1133 | MagickOffsetType |
| 1134 | progress; |
| 1135 | |
cristy | 74ea2cd | 2010-12-08 02:54:25 +0000 | [diff] [blame] | 1136 | RectangleInfo |
| 1137 | page; |
| 1138 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1139 | ssize_t |
| 1140 | y; |
| 1141 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1142 | assert(image != (const Image *) NULL); |
| 1143 | assert(image->signature == MagickSignature); |
| 1144 | if (image->debug != MagickFalse) |
| 1145 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1146 | assert(exception != (ExceptionInfo *) NULL); |
| 1147 | assert(exception->signature == MagickSignature); |
| 1148 | flip_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception); |
| 1149 | if (flip_image == (Image *) NULL) |
| 1150 | return((Image *) NULL); |
| 1151 | /* |
| 1152 | Flip image. |
| 1153 | */ |
| 1154 | status=MagickTrue; |
| 1155 | progress=0; |
cristy | 74ea2cd | 2010-12-08 02:54:25 +0000 | [diff] [blame] | 1156 | page=image->page; |
cristy | db07095 | 2012-04-20 14:33:00 +0000 | [diff] [blame] | 1157 | image_view=AcquireVirtualCacheView(image,exception); |
| 1158 | flip_view=AcquireAuthenticCacheView(flip_image,exception); |
cristy | 5db1f09 | 2010-06-07 13:07:26 +0000 | [diff] [blame] | 1159 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 9a5a52f | 2012-10-09 14:40:31 +0000 | [diff] [blame^] | 1160 | #pragma omp parallel for schedule(static,4) shared(progress,status) \ |
cristy | 4ee2b0c | 2012-05-15 00:30:35 +0000 | [diff] [blame] | 1161 | dynamic_number_threads(image,image->columns,image->rows,1) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1162 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1163 | for (y=0; y < (ssize_t) flip_image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1164 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1165 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1166 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1167 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1168 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1169 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1170 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1171 | register ssize_t |
| 1172 | x; |
| 1173 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1174 | if (status == MagickFalse) |
| 1175 | continue; |
| 1176 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
cristy | 5db1f09 | 2010-06-07 13:07:26 +0000 | [diff] [blame] | 1177 | q=QueueCacheViewAuthenticPixels(flip_view,0,(ssize_t) (flip_image->rows-y- |
| 1178 | 1),flip_image->columns,1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1179 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1180 | { |
| 1181 | status=MagickFalse; |
| 1182 | continue; |
| 1183 | } |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1184 | for (x=0; x < (ssize_t) flip_image->columns; x++) |
| 1185 | { |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1186 | register ssize_t |
| 1187 | i; |
| 1188 | |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 1189 | if (GetPixelMask(image,p) != 0) |
| 1190 | { |
| 1191 | p+=GetPixelChannels(image); |
| 1192 | q+=GetPixelChannels(flip_image); |
| 1193 | continue; |
| 1194 | } |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1195 | for (i=0; i < (ssize_t) GetPixelChannels(image); i++) |
| 1196 | { |
| 1197 | PixelChannel |
| 1198 | channel; |
| 1199 | |
| 1200 | PixelTrait |
| 1201 | flip_traits, |
| 1202 | traits; |
| 1203 | |
cristy | cf1296e | 2012-08-26 23:40:49 +0000 | [diff] [blame] | 1204 | channel=GetPixelChannelChannel(image,i); |
| 1205 | traits=GetPixelChannelTraits(image,channel); |
| 1206 | flip_traits=GetPixelChannelTraits(flip_image,channel); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1207 | if ((traits == UndefinedPixelTrait) || |
| 1208 | (flip_traits == UndefinedPixelTrait)) |
| 1209 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 1210 | SetPixelChannel(flip_image,channel,p[i],q); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1211 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1212 | p+=GetPixelChannels(image); |
| 1213 | q+=GetPixelChannels(flip_image); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1214 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1215 | if (SyncCacheViewAuthenticPixels(flip_view,exception) == MagickFalse) |
| 1216 | status=MagickFalse; |
| 1217 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 1218 | { |
| 1219 | MagickBooleanType |
| 1220 | proceed; |
| 1221 | |
cristy | 2224dcd | 2010-11-15 00:49:30 +0000 | [diff] [blame] | 1222 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | a5ab7ad | 2012-01-21 23:49:58 +0000 | [diff] [blame] | 1223 | #pragma omp critical (MagickCore_FlipImage) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1224 | #endif |
| 1225 | proceed=SetImageProgress(image,FlipImageTag,progress++,image->rows); |
| 1226 | if (proceed == MagickFalse) |
| 1227 | status=MagickFalse; |
| 1228 | } |
| 1229 | } |
| 1230 | flip_view=DestroyCacheView(flip_view); |
| 1231 | image_view=DestroyCacheView(image_view); |
| 1232 | flip_image->type=image->type; |
anthony | 37a1b91 | 2010-12-10 12:45:59 +0000 | [diff] [blame] | 1233 | if (page.height != 0) |
| 1234 | page.y=(ssize_t) (page.height-flip_image->rows-page.y); |
cristy | 74ea2cd | 2010-12-08 02:54:25 +0000 | [diff] [blame] | 1235 | flip_image->page=page; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1236 | if (status == MagickFalse) |
| 1237 | flip_image=DestroyImage(flip_image); |
| 1238 | return(flip_image); |
| 1239 | } |
| 1240 | |
| 1241 | /* |
| 1242 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1243 | % % |
| 1244 | % % |
| 1245 | % % |
| 1246 | % F l o p I m a g e % |
| 1247 | % % |
| 1248 | % % |
| 1249 | % % |
| 1250 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1251 | % |
| 1252 | % FlopImage() creates a horizontal mirror image by reflecting the pixels |
| 1253 | % around the central y-axis. |
| 1254 | % |
| 1255 | % The format of the FlopImage method is: |
| 1256 | % |
| 1257 | % Image *FlopImage(const Image *image,ExceptionInfo *exception) |
| 1258 | % |
| 1259 | % A description of each parameter follows: |
| 1260 | % |
| 1261 | % o image: the image. |
| 1262 | % |
| 1263 | % o exception: return any errors or warnings in this structure. |
| 1264 | % |
| 1265 | */ |
| 1266 | MagickExport Image *FlopImage(const Image *image,ExceptionInfo *exception) |
| 1267 | { |
| 1268 | #define FlopImageTag "Flop/Image" |
| 1269 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 1270 | CacheView |
| 1271 | *flop_view, |
| 1272 | *image_view; |
| 1273 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1274 | Image |
| 1275 | *flop_image; |
| 1276 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1277 | MagickBooleanType |
| 1278 | status; |
| 1279 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1280 | MagickOffsetType |
| 1281 | progress; |
| 1282 | |
cristy | 74ea2cd | 2010-12-08 02:54:25 +0000 | [diff] [blame] | 1283 | RectangleInfo |
| 1284 | page; |
| 1285 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1286 | ssize_t |
| 1287 | y; |
| 1288 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1289 | assert(image != (const Image *) NULL); |
| 1290 | assert(image->signature == MagickSignature); |
| 1291 | if (image->debug != MagickFalse) |
| 1292 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1293 | assert(exception != (ExceptionInfo *) NULL); |
| 1294 | assert(exception->signature == MagickSignature); |
| 1295 | flop_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception); |
| 1296 | if (flop_image == (Image *) NULL) |
| 1297 | return((Image *) NULL); |
| 1298 | /* |
| 1299 | Flop each row. |
| 1300 | */ |
| 1301 | status=MagickTrue; |
| 1302 | progress=0; |
cristy | 74ea2cd | 2010-12-08 02:54:25 +0000 | [diff] [blame] | 1303 | page=image->page; |
cristy | db07095 | 2012-04-20 14:33:00 +0000 | [diff] [blame] | 1304 | image_view=AcquireVirtualCacheView(image,exception); |
| 1305 | flop_view=AcquireAuthenticCacheView(flop_image,exception); |
cristy | 5db1f09 | 2010-06-07 13:07:26 +0000 | [diff] [blame] | 1306 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 9a5a52f | 2012-10-09 14:40:31 +0000 | [diff] [blame^] | 1307 | #pragma omp parallel for schedule(static,4) shared(progress,status) \ |
cristy | 4ee2b0c | 2012-05-15 00:30:35 +0000 | [diff] [blame] | 1308 | dynamic_number_threads(image,image->columns,image->rows,1) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1309 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1310 | for (y=0; y < (ssize_t) flop_image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1311 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1312 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1313 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1314 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1315 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1316 | x; |
| 1317 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1318 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1319 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1320 | |
| 1321 | if (status == MagickFalse) |
| 1322 | continue; |
| 1323 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
| 1324 | q=QueueCacheViewAuthenticPixels(flop_view,0,y,flop_image->columns,1, |
| 1325 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1326 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1327 | { |
| 1328 | status=MagickFalse; |
| 1329 | continue; |
| 1330 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1331 | q+=GetPixelChannels(flop_image)*flop_image->columns; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1332 | for (x=0; x < (ssize_t) flop_image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1333 | { |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1334 | register ssize_t |
| 1335 | i; |
| 1336 | |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1337 | q-=GetPixelChannels(flop_image); |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 1338 | if (GetPixelMask(image,p) != 0) |
| 1339 | { |
| 1340 | p+=GetPixelChannels(image); |
| 1341 | continue; |
| 1342 | } |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1343 | for (i=0; i < (ssize_t) GetPixelChannels(image); i++) |
| 1344 | { |
| 1345 | PixelChannel |
| 1346 | channel; |
| 1347 | |
| 1348 | PixelTrait |
| 1349 | flop_traits, |
| 1350 | traits; |
| 1351 | |
cristy | cf1296e | 2012-08-26 23:40:49 +0000 | [diff] [blame] | 1352 | channel=GetPixelChannelChannel(image,i); |
| 1353 | traits=GetPixelChannelTraits(image,channel); |
| 1354 | flop_traits=GetPixelChannelTraits(flop_image,channel); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1355 | if ((traits == UndefinedPixelTrait) || |
| 1356 | (flop_traits == UndefinedPixelTrait)) |
| 1357 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 1358 | SetPixelChannel(flop_image,channel,p[i],q); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1359 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1360 | p+=GetPixelChannels(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1361 | } |
| 1362 | if (SyncCacheViewAuthenticPixels(flop_view,exception) == MagickFalse) |
| 1363 | status=MagickFalse; |
| 1364 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 1365 | { |
| 1366 | MagickBooleanType |
| 1367 | proceed; |
| 1368 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 1369 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | a5ab7ad | 2012-01-21 23:49:58 +0000 | [diff] [blame] | 1370 | #pragma omp critical (MagickCore_FlopImage) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1371 | #endif |
| 1372 | proceed=SetImageProgress(image,FlopImageTag,progress++,image->rows); |
| 1373 | if (proceed == MagickFalse) |
| 1374 | status=MagickFalse; |
| 1375 | } |
| 1376 | } |
| 1377 | flop_view=DestroyCacheView(flop_view); |
| 1378 | image_view=DestroyCacheView(image_view); |
| 1379 | flop_image->type=image->type; |
anthony | 37a1b91 | 2010-12-10 12:45:59 +0000 | [diff] [blame] | 1380 | if (page.width != 0) |
| 1381 | page.x=(ssize_t) (page.width-flop_image->columns-page.x); |
cristy | 74ea2cd | 2010-12-08 02:54:25 +0000 | [diff] [blame] | 1382 | flop_image->page=page; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1383 | if (status == MagickFalse) |
| 1384 | flop_image=DestroyImage(flop_image); |
| 1385 | return(flop_image); |
| 1386 | } |
| 1387 | |
| 1388 | /* |
| 1389 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1390 | % % |
| 1391 | % % |
| 1392 | % % |
| 1393 | % R o l l I m a g e % |
| 1394 | % % |
| 1395 | % % |
| 1396 | % % |
| 1397 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1398 | % |
| 1399 | % RollImage() offsets an image as defined by x_offset and y_offset. |
| 1400 | % |
| 1401 | % The format of the RollImage method is: |
| 1402 | % |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1403 | % Image *RollImage(const Image *image,const ssize_t x_offset, |
| 1404 | % const ssize_t y_offset,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1405 | % |
| 1406 | % A description of each parameter follows: |
| 1407 | % |
| 1408 | % o image: the image. |
| 1409 | % |
| 1410 | % o x_offset: the number of columns to roll in the horizontal direction. |
| 1411 | % |
| 1412 | % o y_offset: the number of rows to roll in the vertical direction. |
| 1413 | % |
| 1414 | % o exception: return any errors or warnings in this structure. |
| 1415 | % |
| 1416 | */ |
| 1417 | |
| 1418 | static inline MagickBooleanType CopyImageRegion(Image *destination, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1419 | const Image *source,const size_t columns,const size_t rows, |
| 1420 | 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] | 1421 | ExceptionInfo *exception) |
| 1422 | { |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 1423 | CacheView |
| 1424 | *source_view, |
| 1425 | *destination_view; |
| 1426 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1427 | MagickBooleanType |
| 1428 | status; |
| 1429 | |
cristy | 9d314ff | 2011-03-09 01:30:28 +0000 | [diff] [blame] | 1430 | ssize_t |
| 1431 | y; |
| 1432 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1433 | status=MagickTrue; |
cristy | db07095 | 2012-04-20 14:33:00 +0000 | [diff] [blame] | 1434 | source_view=AcquireVirtualCacheView(source,exception); |
| 1435 | destination_view=AcquireAuthenticCacheView(destination,exception); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 1436 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | 9a5a52f | 2012-10-09 14:40:31 +0000 | [diff] [blame^] | 1437 | #pragma omp parallel for schedule(static,4) shared(status) \ |
cristy | 4ee2b0c | 2012-05-15 00:30:35 +0000 | [diff] [blame] | 1438 | dynamic_number_threads(source,columns,rows,1) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1439 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1440 | for (y=0; y < (ssize_t) rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1441 | { |
| 1442 | MagickBooleanType |
| 1443 | sync; |
| 1444 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1445 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1446 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1447 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1448 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1449 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1450 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1451 | register ssize_t |
| 1452 | x; |
| 1453 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1454 | /* |
| 1455 | Transfer scanline. |
| 1456 | */ |
| 1457 | if (status == MagickFalse) |
| 1458 | continue; |
| 1459 | p=GetCacheViewVirtualPixels(source_view,sx,sy+y,columns,1,exception); |
| 1460 | q=GetCacheViewAuthenticPixels(destination_view,dx,dy+y,columns,1,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1461 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1462 | { |
| 1463 | status=MagickFalse; |
| 1464 | continue; |
| 1465 | } |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1466 | for (x=0; x < (ssize_t) columns; x++) |
| 1467 | { |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1468 | register ssize_t |
| 1469 | i; |
| 1470 | |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 1471 | if (GetPixelMask(source,p) != 0) |
| 1472 | { |
| 1473 | p+=GetPixelChannels(source); |
| 1474 | q+=GetPixelChannels(destination); |
| 1475 | continue; |
| 1476 | } |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1477 | for (i=0; i < (ssize_t) GetPixelChannels(source); i++) |
| 1478 | { |
| 1479 | PixelChannel |
| 1480 | channel; |
| 1481 | |
| 1482 | PixelTrait |
| 1483 | destination_traits, |
| 1484 | source_traits; |
| 1485 | |
cristy | cf1296e | 2012-08-26 23:40:49 +0000 | [diff] [blame] | 1486 | channel=GetPixelChannelChannel(source,i); |
| 1487 | source_traits=GetPixelChannelTraits(source,channel); |
| 1488 | destination_traits=GetPixelChannelTraits(destination,channel); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1489 | if ((source_traits == UndefinedPixelTrait) || |
| 1490 | (destination_traits == UndefinedPixelTrait)) |
| 1491 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 1492 | SetPixelChannel(destination,channel,p[i],q); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1493 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1494 | p+=GetPixelChannels(source); |
| 1495 | q+=GetPixelChannels(destination); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1496 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1497 | sync=SyncCacheViewAuthenticPixels(destination_view,exception); |
| 1498 | if (sync == MagickFalse) |
| 1499 | status=MagickFalse; |
| 1500 | } |
| 1501 | destination_view=DestroyCacheView(destination_view); |
| 1502 | source_view=DestroyCacheView(source_view); |
| 1503 | return(status); |
| 1504 | } |
| 1505 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1506 | MagickExport Image *RollImage(const Image *image,const ssize_t x_offset, |
| 1507 | const ssize_t y_offset,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1508 | { |
| 1509 | #define RollImageTag "Roll/Image" |
| 1510 | |
| 1511 | Image |
| 1512 | *roll_image; |
| 1513 | |
| 1514 | MagickStatusType |
| 1515 | status; |
| 1516 | |
| 1517 | RectangleInfo |
| 1518 | offset; |
| 1519 | |
| 1520 | /* |
| 1521 | Initialize roll image attributes. |
| 1522 | */ |
| 1523 | assert(image != (const Image *) NULL); |
| 1524 | assert(image->signature == MagickSignature); |
| 1525 | if (image->debug != MagickFalse) |
| 1526 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1527 | assert(exception != (ExceptionInfo *) NULL); |
| 1528 | assert(exception->signature == MagickSignature); |
| 1529 | roll_image=CloneImage(image,image->columns,image->rows,MagickTrue,exception); |
| 1530 | if (roll_image == (Image *) NULL) |
| 1531 | return((Image *) NULL); |
| 1532 | offset.x=x_offset; |
| 1533 | offset.y=y_offset; |
| 1534 | while (offset.x < 0) |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1535 | offset.x+=(ssize_t) image->columns; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1536 | while (offset.x >= (ssize_t) image->columns) |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1537 | offset.x-=(ssize_t) image->columns; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1538 | while (offset.y < 0) |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1539 | offset.y+=(ssize_t) image->rows; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1540 | while (offset.y >= (ssize_t) image->rows) |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1541 | offset.y-=(ssize_t) image->rows; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1542 | /* |
| 1543 | Roll image. |
| 1544 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1545 | status=CopyImageRegion(roll_image,image,(size_t) offset.x, |
| 1546 | (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] | 1547 | offset.y,0,0,exception); |
| 1548 | (void) SetImageProgress(image,RollImageTag,0,3); |
| 1549 | status|=CopyImageRegion(roll_image,image,image->columns-offset.x, |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1550 | (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] | 1551 | exception); |
| 1552 | (void) SetImageProgress(image,RollImageTag,1,3); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1553 | status|=CopyImageRegion(roll_image,image,(size_t) offset.x,image->rows- |
| 1554 | offset.y,(ssize_t) image->columns-offset.x,0,0,offset.y,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1555 | (void) SetImageProgress(image,RollImageTag,2,3); |
| 1556 | status|=CopyImageRegion(roll_image,image,image->columns-offset.x,image->rows- |
| 1557 | offset.y,0,0,offset.x,offset.y,exception); |
| 1558 | (void) SetImageProgress(image,RollImageTag,3,3); |
| 1559 | roll_image->type=image->type; |
| 1560 | if (status == MagickFalse) |
| 1561 | roll_image=DestroyImage(roll_image); |
| 1562 | return(roll_image); |
| 1563 | } |
| 1564 | |
| 1565 | /* |
| 1566 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1567 | % % |
| 1568 | % % |
| 1569 | % % |
| 1570 | % S h a v e I m a g e % |
| 1571 | % % |
| 1572 | % % |
| 1573 | % % |
| 1574 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1575 | % |
| 1576 | % ShaveImage() shaves pixels from the image edges. It allocates the memory |
| 1577 | % necessary for the new Image structure and returns a pointer to the new |
| 1578 | % image. |
| 1579 | % |
| 1580 | % The format of the ShaveImage method is: |
| 1581 | % |
| 1582 | % Image *ShaveImage(const Image *image,const RectangleInfo *shave_info, |
| 1583 | % ExceptionInfo *exception) |
| 1584 | % |
| 1585 | % A description of each parameter follows: |
| 1586 | % |
| 1587 | % o shave_image: Method ShaveImage returns a pointer to the shaved |
| 1588 | % image. A null image is returned if there is a memory shortage or |
| 1589 | % if the image width or height is zero. |
| 1590 | % |
| 1591 | % o image: the image. |
| 1592 | % |
| 1593 | % o shave_info: Specifies a pointer to a RectangleInfo which defines the |
| 1594 | % region of the image to crop. |
| 1595 | % |
| 1596 | % o exception: return any errors or warnings in this structure. |
| 1597 | % |
| 1598 | */ |
| 1599 | MagickExport Image *ShaveImage(const Image *image, |
| 1600 | const RectangleInfo *shave_info,ExceptionInfo *exception) |
| 1601 | { |
| 1602 | Image |
| 1603 | *shave_image; |
| 1604 | |
| 1605 | RectangleInfo |
| 1606 | geometry; |
| 1607 | |
| 1608 | assert(image != (const Image *) NULL); |
| 1609 | assert(image->signature == MagickSignature); |
| 1610 | if (image->debug != MagickFalse) |
| 1611 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1612 | if (((2*shave_info->width) >= image->columns) || |
| 1613 | ((2*shave_info->height) >= image->rows)) |
| 1614 | ThrowImageException(OptionWarning,"GeometryDoesNotContainImage"); |
| 1615 | SetGeometry(image,&geometry); |
| 1616 | geometry.width-=2*shave_info->width; |
| 1617 | geometry.height-=2*shave_info->height; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1618 | geometry.x=(ssize_t) shave_info->width+image->page.x; |
| 1619 | geometry.y=(ssize_t) shave_info->height+image->page.y; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1620 | shave_image=CropImage(image,&geometry,exception); |
| 1621 | if (shave_image == (Image *) NULL) |
| 1622 | return((Image *) NULL); |
| 1623 | shave_image->page.width-=2*shave_info->width; |
| 1624 | shave_image->page.height-=2*shave_info->height; |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1625 | shave_image->page.x-=(ssize_t) shave_info->width; |
| 1626 | shave_image->page.y-=(ssize_t) shave_info->height; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1627 | return(shave_image); |
| 1628 | } |
| 1629 | |
| 1630 | /* |
| 1631 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1632 | % % |
| 1633 | % % |
| 1634 | % % |
| 1635 | % S p l i c e I m a g e % |
| 1636 | % % |
| 1637 | % % |
| 1638 | % % |
| 1639 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1640 | % |
| 1641 | % SpliceImage() splices a solid color into the image as defined by the |
| 1642 | % geometry. |
| 1643 | % |
| 1644 | % The format of the SpliceImage method is: |
| 1645 | % |
| 1646 | % Image *SpliceImage(const Image *image,const RectangleInfo *geometry, |
| 1647 | % ExceptionInfo *exception) |
| 1648 | % |
| 1649 | % A description of each parameter follows: |
| 1650 | % |
| 1651 | % o image: the image. |
| 1652 | % |
| 1653 | % o geometry: Define the region of the image to splice with members |
| 1654 | % x, y, width, and height. |
| 1655 | % |
| 1656 | % o exception: return any errors or warnings in this structure. |
| 1657 | % |
| 1658 | */ |
| 1659 | MagickExport Image *SpliceImage(const Image *image, |
| 1660 | const RectangleInfo *geometry,ExceptionInfo *exception) |
| 1661 | { |
| 1662 | #define SpliceImageTag "Splice/Image" |
| 1663 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 1664 | CacheView |
| 1665 | *image_view, |
| 1666 | *splice_view; |
| 1667 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1668 | Image |
| 1669 | *splice_image; |
| 1670 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1671 | MagickBooleanType |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1672 | status; |
| 1673 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1674 | MagickOffsetType |
| 1675 | progress; |
| 1676 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1677 | RectangleInfo |
| 1678 | splice_geometry; |
| 1679 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1680 | ssize_t |
| 1681 | y; |
| 1682 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1683 | /* |
| 1684 | Allocate splice image. |
| 1685 | */ |
| 1686 | assert(image != (const Image *) NULL); |
| 1687 | assert(image->signature == MagickSignature); |
| 1688 | if (image->debug != MagickFalse) |
| 1689 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 1690 | assert(geometry != (const RectangleInfo *) NULL); |
| 1691 | assert(exception != (ExceptionInfo *) NULL); |
| 1692 | assert(exception->signature == MagickSignature); |
| 1693 | splice_geometry=(*geometry); |
| 1694 | splice_image=CloneImage(image,image->columns+splice_geometry.width, |
| 1695 | image->rows+splice_geometry.height,MagickTrue,exception); |
| 1696 | if (splice_image == (Image *) NULL) |
| 1697 | return((Image *) NULL); |
cristy | 574cc26 | 2011-08-05 01:23:58 +0000 | [diff] [blame] | 1698 | if (SetImageStorageClass(splice_image,DirectClass,exception) == MagickFalse) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1699 | { |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1700 | splice_image=DestroyImage(splice_image); |
| 1701 | return((Image *) NULL); |
| 1702 | } |
cristy | ea1a8aa | 2011-10-20 13:24:06 +0000 | [diff] [blame] | 1703 | (void) SetImageBackgroundColor(splice_image,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1704 | /* |
| 1705 | Respect image geometry. |
| 1706 | */ |
| 1707 | switch (image->gravity) |
| 1708 | { |
| 1709 | default: |
| 1710 | case UndefinedGravity: |
| 1711 | case NorthWestGravity: |
| 1712 | break; |
| 1713 | case NorthGravity: |
| 1714 | { |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1715 | splice_geometry.x+=(ssize_t) splice_geometry.width/2; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1716 | break; |
| 1717 | } |
| 1718 | case NorthEastGravity: |
| 1719 | { |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1720 | splice_geometry.x+=(ssize_t) splice_geometry.width; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1721 | break; |
| 1722 | } |
| 1723 | case WestGravity: |
| 1724 | { |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1725 | splice_geometry.y+=(ssize_t) splice_geometry.width/2; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1726 | break; |
| 1727 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1728 | case CenterGravity: |
| 1729 | { |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1730 | splice_geometry.x+=(ssize_t) splice_geometry.width/2; |
| 1731 | splice_geometry.y+=(ssize_t) splice_geometry.height/2; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1732 | break; |
| 1733 | } |
| 1734 | case EastGravity: |
| 1735 | { |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1736 | splice_geometry.x+=(ssize_t) splice_geometry.width; |
| 1737 | splice_geometry.y+=(ssize_t) splice_geometry.height/2; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1738 | break; |
| 1739 | } |
| 1740 | case SouthWestGravity: |
| 1741 | { |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1742 | splice_geometry.y+=(ssize_t) splice_geometry.height; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1743 | break; |
| 1744 | } |
| 1745 | case SouthGravity: |
| 1746 | { |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1747 | splice_geometry.x+=(ssize_t) splice_geometry.width/2; |
| 1748 | splice_geometry.y+=(ssize_t) splice_geometry.height; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1749 | break; |
| 1750 | } |
| 1751 | case SouthEastGravity: |
| 1752 | { |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1753 | splice_geometry.x+=(ssize_t) splice_geometry.width; |
| 1754 | splice_geometry.y+=(ssize_t) splice_geometry.height; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1755 | break; |
| 1756 | } |
| 1757 | } |
| 1758 | /* |
| 1759 | Splice image. |
| 1760 | */ |
| 1761 | status=MagickTrue; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1762 | progress=0; |
cristy | db07095 | 2012-04-20 14:33:00 +0000 | [diff] [blame] | 1763 | image_view=AcquireVirtualCacheView(image,exception); |
| 1764 | splice_view=AcquireAuthenticCacheView(splice_image,exception); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 1765 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | ac245f8 | 2012-05-05 17:13:57 +0000 | [diff] [blame] | 1766 | #pragma omp parallel for schedule(static,4) shared(progress,status) \ |
cristy | 4ee2b0c | 2012-05-15 00:30:35 +0000 | [diff] [blame] | 1767 | dynamic_number_threads(image,image->columns,image->rows,1) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1768 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1769 | for (y=0; y < (ssize_t) splice_geometry.y; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1770 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1771 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1772 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1773 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1774 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1775 | x; |
| 1776 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1777 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1778 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1779 | |
| 1780 | if (status == MagickFalse) |
| 1781 | continue; |
| 1782 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
| 1783 | q=QueueCacheViewAuthenticPixels(splice_view,0,y,splice_image->columns,1, |
| 1784 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1785 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1786 | { |
| 1787 | status=MagickFalse; |
| 1788 | continue; |
| 1789 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1790 | for (x=0; x < splice_geometry.x; x++) |
| 1791 | { |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1792 | register ssize_t |
| 1793 | i; |
| 1794 | |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 1795 | if (GetPixelMask(image,p) != 0) |
| 1796 | { |
| 1797 | p+=GetPixelChannels(image); |
| 1798 | q+=GetPixelChannels(splice_image); |
| 1799 | continue; |
| 1800 | } |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1801 | for (i=0; i < (ssize_t) GetPixelChannels(image); i++) |
| 1802 | { |
| 1803 | PixelChannel |
| 1804 | channel; |
| 1805 | |
| 1806 | PixelTrait |
| 1807 | splice_traits, |
| 1808 | traits; |
| 1809 | |
cristy | cf1296e | 2012-08-26 23:40:49 +0000 | [diff] [blame] | 1810 | channel=GetPixelChannelChannel(image,i); |
| 1811 | traits=GetPixelChannelTraits(image,channel); |
| 1812 | splice_traits=GetPixelChannelTraits(splice_image,channel); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1813 | if ((traits == UndefinedPixelTrait) || |
| 1814 | (splice_traits == UndefinedPixelTrait)) |
| 1815 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 1816 | SetPixelChannel(splice_image,channel,p[i],q); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1817 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1818 | p+=GetPixelChannels(image); |
| 1819 | q+=GetPixelChannels(splice_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1820 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1821 | for ( ; x < (ssize_t) (splice_geometry.x+splice_geometry.width); x++) |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1822 | q+=GetPixelChannels(splice_image); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1823 | for ( ; x < (ssize_t) splice_image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1824 | { |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1825 | register ssize_t |
| 1826 | i; |
| 1827 | |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 1828 | if (GetPixelMask(image,p) != 0) |
| 1829 | { |
| 1830 | p+=GetPixelChannels(image); |
| 1831 | q+=GetPixelChannels(splice_image); |
| 1832 | continue; |
| 1833 | } |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1834 | for (i=0; i < (ssize_t) GetPixelChannels(image); i++) |
| 1835 | { |
| 1836 | PixelChannel |
| 1837 | channel; |
| 1838 | |
| 1839 | PixelTrait |
| 1840 | traits, |
| 1841 | splice_traits; |
| 1842 | |
cristy | cf1296e | 2012-08-26 23:40:49 +0000 | [diff] [blame] | 1843 | channel=GetPixelChannelChannel(image,i); |
| 1844 | traits=GetPixelChannelTraits(image,channel); |
| 1845 | splice_traits=GetPixelChannelTraits(splice_image,channel); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1846 | if ((traits == UndefinedPixelTrait) || |
| 1847 | (splice_traits == UndefinedPixelTrait)) |
| 1848 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 1849 | SetPixelChannel(splice_image,channel,p[i],q); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1850 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1851 | p+=GetPixelChannels(image); |
| 1852 | q+=GetPixelChannels(splice_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1853 | } |
| 1854 | if (SyncCacheViewAuthenticPixels(splice_view,exception) == MagickFalse) |
| 1855 | status=MagickFalse; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1856 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 1857 | { |
| 1858 | MagickBooleanType |
| 1859 | proceed; |
| 1860 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 1861 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | a5ab7ad | 2012-01-21 23:49:58 +0000 | [diff] [blame] | 1862 | #pragma omp critical (MagickCore_TransposeImage) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1863 | #endif |
| 1864 | proceed=SetImageProgress(image,SpliceImageTag,progress++, |
| 1865 | splice_image->rows); |
| 1866 | if (proceed == MagickFalse) |
| 1867 | status=MagickFalse; |
| 1868 | } |
| 1869 | } |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 1870 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | ac245f8 | 2012-05-05 17:13:57 +0000 | [diff] [blame] | 1871 | #pragma omp parallel for schedule(static,4) shared(progress,status) \ |
cristy | 4ee2b0c | 2012-05-15 00:30:35 +0000 | [diff] [blame] | 1872 | dynamic_number_threads(image,image->columns,image->rows,1) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1873 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1874 | for (y=(ssize_t) (splice_geometry.y+splice_geometry.height); |
| 1875 | y < (ssize_t) splice_image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1876 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1877 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1878 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1879 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1880 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1881 | x; |
| 1882 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1883 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 1884 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1885 | |
| 1886 | if (status == MagickFalse) |
| 1887 | continue; |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 1888 | p=GetCacheViewVirtualPixels(image_view,0,y-(ssize_t) splice_geometry.height, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1889 | image->columns,1,exception); |
cristy | 13d0704 | 2010-11-21 20:56:18 +0000 | [diff] [blame] | 1890 | if ((y < 0) || (y >= (ssize_t) splice_image->rows)) |
cristy | 2224dcd | 2010-11-15 00:49:30 +0000 | [diff] [blame] | 1891 | continue; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1892 | q=QueueCacheViewAuthenticPixels(splice_view,0,y,splice_image->columns,1, |
| 1893 | exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1894 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1895 | { |
| 1896 | status=MagickFalse; |
| 1897 | continue; |
| 1898 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1899 | for (x=0; x < splice_geometry.x; x++) |
| 1900 | { |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1901 | register ssize_t |
| 1902 | i; |
| 1903 | |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 1904 | if (GetPixelMask(image,q) != 0) |
| 1905 | { |
| 1906 | p+=GetPixelChannels(image); |
| 1907 | q+=GetPixelChannels(splice_image); |
| 1908 | continue; |
| 1909 | } |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1910 | for (i=0; i < (ssize_t) GetPixelChannels(image); i++) |
| 1911 | { |
| 1912 | PixelChannel |
| 1913 | channel; |
| 1914 | |
| 1915 | PixelTrait |
| 1916 | traits, |
| 1917 | splice_traits; |
| 1918 | |
cristy | cf1296e | 2012-08-26 23:40:49 +0000 | [diff] [blame] | 1919 | channel=GetPixelChannelChannel(image,i); |
| 1920 | traits=GetPixelChannelTraits(image,channel); |
| 1921 | splice_traits=GetPixelChannelTraits(splice_image,channel); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1922 | if ((traits == UndefinedPixelTrait) || |
| 1923 | (splice_traits == UndefinedPixelTrait)) |
| 1924 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 1925 | SetPixelChannel(splice_image,channel,p[i],q); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1926 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1927 | p+=GetPixelChannels(image); |
| 1928 | q+=GetPixelChannels(splice_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1929 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1930 | for ( ; x < (ssize_t) (splice_geometry.x+splice_geometry.width); x++) |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1931 | q+=GetPixelChannels(splice_image); |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1932 | for ( ; x < (ssize_t) splice_image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1933 | { |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1934 | register ssize_t |
| 1935 | i; |
| 1936 | |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 1937 | if (GetPixelMask(image,q) != 0) |
| 1938 | { |
| 1939 | p+=GetPixelChannels(image); |
| 1940 | q+=GetPixelChannels(splice_image); |
| 1941 | continue; |
| 1942 | } |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1943 | for (i=0; i < (ssize_t) GetPixelChannels(image); i++) |
| 1944 | { |
| 1945 | PixelChannel |
| 1946 | channel; |
| 1947 | |
| 1948 | PixelTrait |
| 1949 | traits, |
| 1950 | splice_traits; |
| 1951 | |
cristy | cf1296e | 2012-08-26 23:40:49 +0000 | [diff] [blame] | 1952 | channel=GetPixelChannelChannel(image,i); |
| 1953 | traits=GetPixelChannelTraits(image,channel); |
| 1954 | splice_traits=GetPixelChannelTraits(splice_image,channel); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1955 | if ((traits == UndefinedPixelTrait) || |
| 1956 | (splice_traits == UndefinedPixelTrait)) |
| 1957 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 1958 | SetPixelChannel(splice_image,channel,p[i],q); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 1959 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 1960 | p+=GetPixelChannels(image); |
| 1961 | q+=GetPixelChannels(splice_image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1962 | } |
| 1963 | if (SyncCacheViewAuthenticPixels(splice_view,exception) == MagickFalse) |
| 1964 | status=MagickFalse; |
| 1965 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 1966 | { |
| 1967 | MagickBooleanType |
| 1968 | proceed; |
| 1969 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 1970 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | a5ab7ad | 2012-01-21 23:49:58 +0000 | [diff] [blame] | 1971 | #pragma omp critical (MagickCore_TransposeImage) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1972 | #endif |
| 1973 | proceed=SetImageProgress(image,SpliceImageTag,progress++, |
| 1974 | splice_image->rows); |
| 1975 | if (proceed == MagickFalse) |
| 1976 | status=MagickFalse; |
| 1977 | } |
| 1978 | } |
| 1979 | splice_view=DestroyCacheView(splice_view); |
| 1980 | image_view=DestroyCacheView(image_view); |
| 1981 | if (status == MagickFalse) |
| 1982 | splice_image=DestroyImage(splice_image); |
| 1983 | return(splice_image); |
| 1984 | } |
| 1985 | |
| 1986 | /* |
| 1987 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1988 | % % |
| 1989 | % % |
| 1990 | % % |
| 1991 | % T r a n s f o r m I m a g e % |
| 1992 | % % |
| 1993 | % % |
| 1994 | % % |
| 1995 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1996 | % |
| 1997 | % TransformImage() is a convenience method that behaves like ResizeImage() or |
| 1998 | % CropImage() but accepts scaling and/or cropping information as a region |
| 1999 | % geometry specification. If the operation fails, the original image handle |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 2000 | % is left as is. |
| 2001 | % |
| 2002 | % This should only be used for single images. |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2003 | % |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 2004 | % This function destroys what it assumes to be a single image list. |
| 2005 | % If the input image is part of a larger list, all other images in that list |
| 2006 | % will be simply 'lost', not destroyed. |
| 2007 | % |
| 2008 | % Also if the crop generates a list of images only the first image is resized. |
| 2009 | % And finally if the crop succeeds and the resize failed, you will get a |
| 2010 | % cropped image, as well as a 'false' or 'failed' report. |
| 2011 | % |
| 2012 | % This function and should probably be depreciated in favor of direct calls |
| 2013 | % to CropImageToTiles() or ResizeImage(), as appropriate. |
| 2014 | % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2015 | % The format of the TransformImage method is: |
| 2016 | % |
| 2017 | % MagickBooleanType TransformImage(Image **image,const char *crop_geometry, |
cristy | e941a75 | 2011-10-15 01:52:48 +0000 | [diff] [blame] | 2018 | % const char *image_geometry,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2019 | % |
| 2020 | % A description of each parameter follows: |
| 2021 | % |
| 2022 | % o image: the image The transformed image is returned as this parameter. |
| 2023 | % |
| 2024 | % o crop_geometry: A crop geometry string. This geometry defines a |
| 2025 | % subregion of the image to crop. |
| 2026 | % |
| 2027 | % o image_geometry: An image geometry string. This geometry defines the |
| 2028 | % final size of the image. |
| 2029 | % |
cristy | e941a75 | 2011-10-15 01:52:48 +0000 | [diff] [blame] | 2030 | % o exception: return any errors or warnings in this structure. |
| 2031 | % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2032 | */ |
| 2033 | MagickExport MagickBooleanType TransformImage(Image **image, |
cristy | e941a75 | 2011-10-15 01:52:48 +0000 | [diff] [blame] | 2034 | const char *crop_geometry,const char *image_geometry,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2035 | { |
| 2036 | Image |
| 2037 | *resize_image, |
| 2038 | *transform_image; |
| 2039 | |
| 2040 | MagickStatusType |
| 2041 | flags; |
| 2042 | |
| 2043 | RectangleInfo |
| 2044 | geometry; |
| 2045 | |
| 2046 | assert(image != (Image **) NULL); |
| 2047 | assert((*image)->signature == MagickSignature); |
| 2048 | if ((*image)->debug != MagickFalse) |
| 2049 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",(*image)->filename); |
| 2050 | transform_image=(*image); |
| 2051 | if (crop_geometry != (const char *) NULL) |
| 2052 | { |
| 2053 | Image |
| 2054 | *crop_image; |
| 2055 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2056 | /* |
| 2057 | Crop image to a user specified size. |
| 2058 | */ |
cristy | e941a75 | 2011-10-15 01:52:48 +0000 | [diff] [blame] | 2059 | crop_image=CropImageToTiles(*image,crop_geometry,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2060 | if (crop_image == (Image *) NULL) |
cristy | e941a75 | 2011-10-15 01:52:48 +0000 | [diff] [blame] | 2061 | transform_image=CloneImage(*image,0,0,MagickTrue,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2062 | else |
| 2063 | { |
| 2064 | transform_image=DestroyImage(transform_image); |
| 2065 | transform_image=GetFirstImageInList(crop_image); |
| 2066 | } |
| 2067 | *image=transform_image; |
| 2068 | } |
| 2069 | if (image_geometry == (const char *) NULL) |
| 2070 | return(MagickTrue); |
anthony | 9f4f034 | 2011-03-28 11:47:22 +0000 | [diff] [blame] | 2071 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2072 | /* |
| 2073 | Scale image to a user specified size. |
| 2074 | */ |
cristy | e941a75 | 2011-10-15 01:52:48 +0000 | [diff] [blame] | 2075 | flags=ParseRegionGeometry(transform_image,image_geometry,&geometry,exception); |
cristy | 288b080 | 2011-03-28 13:05:34 +0000 | [diff] [blame] | 2076 | (void) flags; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2077 | if ((transform_image->columns == geometry.width) && |
| 2078 | (transform_image->rows == geometry.height)) |
| 2079 | return(MagickTrue); |
cristy | 15b98cd | 2010-09-12 19:42:50 +0000 | [diff] [blame] | 2080 | resize_image=ResizeImage(transform_image,geometry.width,geometry.height, |
cristy | aa2c16c | 2012-03-25 22:21:35 +0000 | [diff] [blame] | 2081 | transform_image->filter,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2082 | if (resize_image == (Image *) NULL) |
| 2083 | return(MagickFalse); |
| 2084 | transform_image=DestroyImage(transform_image); |
| 2085 | transform_image=resize_image; |
| 2086 | *image=transform_image; |
| 2087 | return(MagickTrue); |
| 2088 | } |
| 2089 | |
| 2090 | /* |
| 2091 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2092 | % % |
| 2093 | % % |
| 2094 | % % |
| 2095 | % T r a n s f o r m I m a g e s % |
| 2096 | % % |
| 2097 | % % |
anthony | bdaa5b3 | 2010-12-10 13:06:46 +0000 | [diff] [blame] | 2098 | % % |
| 2099 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2100 | % |
| 2101 | % TransformImages() calls TransformImage() on each image of a sequence. |
| 2102 | % |
| 2103 | % The format of the TransformImage method is: |
| 2104 | % |
| 2105 | % MagickBooleanType TransformImages(Image **image, |
cristy | e941a75 | 2011-10-15 01:52:48 +0000 | [diff] [blame] | 2106 | % const char *crop_geometry,const char *image_geometry, |
| 2107 | % ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2108 | % |
| 2109 | % A description of each parameter follows: |
| 2110 | % |
| 2111 | % o image: the image The transformed image is returned as this parameter. |
| 2112 | % |
| 2113 | % o crop_geometry: A crop geometry string. This geometry defines a |
| 2114 | % subregion of the image to crop. |
| 2115 | % |
| 2116 | % o image_geometry: An image geometry string. This geometry defines the |
| 2117 | % final size of the image. |
| 2118 | % |
cristy | e941a75 | 2011-10-15 01:52:48 +0000 | [diff] [blame] | 2119 | % o exception: return any errors or warnings in this structure. |
| 2120 | % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2121 | */ |
| 2122 | MagickExport MagickBooleanType TransformImages(Image **images, |
cristy | e941a75 | 2011-10-15 01:52:48 +0000 | [diff] [blame] | 2123 | const char *crop_geometry,const char *image_geometry,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2124 | { |
| 2125 | Image |
| 2126 | *image, |
| 2127 | **image_list, |
| 2128 | *transform_images; |
| 2129 | |
| 2130 | MagickStatusType |
| 2131 | status; |
| 2132 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2133 | register ssize_t |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2134 | i; |
| 2135 | |
| 2136 | assert(images != (Image **) NULL); |
| 2137 | assert((*images)->signature == MagickSignature); |
| 2138 | if ((*images)->debug != MagickFalse) |
| 2139 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", |
| 2140 | (*images)->filename); |
cristy | e941a75 | 2011-10-15 01:52:48 +0000 | [diff] [blame] | 2141 | image_list=ImageListToArray(*images,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2142 | if (image_list == (Image **) NULL) |
| 2143 | return(MagickFalse); |
| 2144 | status=MagickTrue; |
| 2145 | transform_images=NewImageList(); |
| 2146 | for (i=0; image_list[i] != (Image *) NULL; i++) |
| 2147 | { |
| 2148 | image=image_list[i]; |
cristy | e941a75 | 2011-10-15 01:52:48 +0000 | [diff] [blame] | 2149 | status|=TransformImage(&image,crop_geometry,image_geometry,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2150 | AppendImageToList(&transform_images,image); |
| 2151 | } |
| 2152 | *images=transform_images; |
| 2153 | image_list=(Image **) RelinquishMagickMemory(image_list); |
| 2154 | return(status != 0 ? MagickTrue : MagickFalse); |
| 2155 | } |
| 2156 | |
| 2157 | /* |
| 2158 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2159 | % % |
| 2160 | % % |
| 2161 | % % |
| 2162 | % T r a n s p o s e I m a g e % |
| 2163 | % % |
| 2164 | % % |
| 2165 | % % |
| 2166 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2167 | % |
| 2168 | % TransposeImage() creates a horizontal mirror image by reflecting the pixels |
| 2169 | % around the central y-axis while rotating them by 90 degrees. |
| 2170 | % |
| 2171 | % The format of the TransposeImage method is: |
| 2172 | % |
| 2173 | % Image *TransposeImage(const Image *image,ExceptionInfo *exception) |
| 2174 | % |
| 2175 | % A description of each parameter follows: |
| 2176 | % |
| 2177 | % o image: the image. |
| 2178 | % |
| 2179 | % o exception: return any errors or warnings in this structure. |
| 2180 | % |
| 2181 | */ |
| 2182 | MagickExport Image *TransposeImage(const Image *image,ExceptionInfo *exception) |
| 2183 | { |
| 2184 | #define TransposeImageTag "Transpose/Image" |
| 2185 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 2186 | CacheView |
| 2187 | *image_view, |
| 2188 | *transpose_view; |
| 2189 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2190 | Image |
| 2191 | *transpose_image; |
| 2192 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2193 | MagickBooleanType |
| 2194 | status; |
| 2195 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2196 | MagickOffsetType |
| 2197 | progress; |
| 2198 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2199 | RectangleInfo |
| 2200 | page; |
| 2201 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2202 | ssize_t |
| 2203 | y; |
| 2204 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2205 | assert(image != (const Image *) NULL); |
| 2206 | assert(image->signature == MagickSignature); |
| 2207 | if (image->debug != MagickFalse) |
| 2208 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 2209 | assert(exception != (ExceptionInfo *) NULL); |
| 2210 | assert(exception->signature == MagickSignature); |
| 2211 | transpose_image=CloneImage(image,image->rows,image->columns,MagickTrue, |
| 2212 | exception); |
| 2213 | if (transpose_image == (Image *) NULL) |
| 2214 | return((Image *) NULL); |
| 2215 | /* |
| 2216 | Transpose image. |
| 2217 | */ |
| 2218 | status=MagickTrue; |
| 2219 | progress=0; |
cristy | db07095 | 2012-04-20 14:33:00 +0000 | [diff] [blame] | 2220 | image_view=AcquireVirtualCacheView(image,exception); |
| 2221 | transpose_view=AcquireAuthenticCacheView(transpose_image,exception); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 2222 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | ac245f8 | 2012-05-05 17:13:57 +0000 | [diff] [blame] | 2223 | #pragma omp parallel for schedule(static,4) shared(progress,status) \ |
cristy | 4ee2b0c | 2012-05-15 00:30:35 +0000 | [diff] [blame] | 2224 | dynamic_number_threads(image,image->columns,image->rows,1) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2225 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2226 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2227 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2228 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 2229 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2230 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2231 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 2232 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2233 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2234 | register ssize_t |
| 2235 | x; |
| 2236 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2237 | if (status == MagickFalse) |
| 2238 | continue; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2239 | p=GetCacheViewVirtualPixels(image_view,0,(ssize_t) image->rows-y-1, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2240 | image->columns,1,exception); |
cristy | 9af9b5d | 2010-08-15 17:04:28 +0000 | [diff] [blame] | 2241 | q=QueueCacheViewAuthenticPixels(transpose_view,(ssize_t) (image->rows-y-1), |
| 2242 | 0,1,transpose_image->rows,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2243 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2244 | { |
| 2245 | status=MagickFalse; |
| 2246 | continue; |
| 2247 | } |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2248 | for (x=0; x < (ssize_t) image->columns; x++) |
| 2249 | { |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 2250 | register ssize_t |
| 2251 | i; |
| 2252 | |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 2253 | if (GetPixelMask(image,q) != 0) |
| 2254 | { |
| 2255 | p+=GetPixelChannels(image); |
| 2256 | q+=GetPixelChannels(transpose_image); |
| 2257 | continue; |
| 2258 | } |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 2259 | for (i=0; i < (ssize_t) GetPixelChannels(image); i++) |
| 2260 | { |
| 2261 | PixelChannel |
| 2262 | channel; |
| 2263 | |
| 2264 | PixelTrait |
| 2265 | traits, |
| 2266 | transpose_traits; |
| 2267 | |
cristy | cf1296e | 2012-08-26 23:40:49 +0000 | [diff] [blame] | 2268 | channel=GetPixelChannelChannel(image,i); |
| 2269 | traits=GetPixelChannelTraits(image,channel); |
| 2270 | transpose_traits=GetPixelChannelTraits(transpose_image,channel); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 2271 | if ((traits == UndefinedPixelTrait) || |
| 2272 | (transpose_traits == UndefinedPixelTrait)) |
| 2273 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 2274 | SetPixelChannel(transpose_image,channel,p[i],q); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 2275 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 2276 | p+=GetPixelChannels(image); |
| 2277 | q+=GetPixelChannels(transpose_image); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2278 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2279 | if (SyncCacheViewAuthenticPixels(transpose_view,exception) == MagickFalse) |
| 2280 | status=MagickFalse; |
| 2281 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 2282 | { |
| 2283 | MagickBooleanType |
| 2284 | proceed; |
| 2285 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 2286 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | a5ab7ad | 2012-01-21 23:49:58 +0000 | [diff] [blame] | 2287 | #pragma omp critical (MagickCore_TransposeImage) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2288 | #endif |
| 2289 | proceed=SetImageProgress(image,TransposeImageTag,progress++, |
| 2290 | image->rows); |
| 2291 | if (proceed == MagickFalse) |
| 2292 | status=MagickFalse; |
| 2293 | } |
| 2294 | } |
| 2295 | transpose_view=DestroyCacheView(transpose_view); |
| 2296 | image_view=DestroyCacheView(image_view); |
| 2297 | transpose_image->type=image->type; |
| 2298 | page=transpose_image->page; |
| 2299 | Swap(page.width,page.height); |
| 2300 | Swap(page.x,page.y); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2301 | transpose_image->page=page; |
| 2302 | if (status == MagickFalse) |
| 2303 | transpose_image=DestroyImage(transpose_image); |
| 2304 | return(transpose_image); |
| 2305 | } |
| 2306 | |
| 2307 | /* |
| 2308 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2309 | % % |
| 2310 | % % |
| 2311 | % % |
| 2312 | % T r a n s v e r s e I m a g e % |
| 2313 | % % |
| 2314 | % % |
| 2315 | % % |
| 2316 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2317 | % |
| 2318 | % TransverseImage() creates a vertical mirror image by reflecting the pixels |
| 2319 | % around the central x-axis while rotating them by 270 degrees. |
| 2320 | % |
| 2321 | % The format of the TransverseImage method is: |
| 2322 | % |
| 2323 | % Image *TransverseImage(const Image *image,ExceptionInfo *exception) |
| 2324 | % |
| 2325 | % A description of each parameter follows: |
| 2326 | % |
| 2327 | % o image: the image. |
| 2328 | % |
| 2329 | % o exception: return any errors or warnings in this structure. |
| 2330 | % |
| 2331 | */ |
| 2332 | MagickExport Image *TransverseImage(const Image *image,ExceptionInfo *exception) |
| 2333 | { |
| 2334 | #define TransverseImageTag "Transverse/Image" |
| 2335 | |
cristy | c4c8d13 | 2010-01-07 01:58:38 +0000 | [diff] [blame] | 2336 | CacheView |
| 2337 | *image_view, |
| 2338 | *transverse_view; |
| 2339 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2340 | Image |
| 2341 | *transverse_image; |
| 2342 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2343 | MagickBooleanType |
| 2344 | status; |
| 2345 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2346 | MagickOffsetType |
| 2347 | progress; |
| 2348 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2349 | RectangleInfo |
| 2350 | page; |
| 2351 | |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2352 | ssize_t |
| 2353 | y; |
| 2354 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2355 | assert(image != (const Image *) NULL); |
| 2356 | assert(image->signature == MagickSignature); |
| 2357 | if (image->debug != MagickFalse) |
| 2358 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 2359 | assert(exception != (ExceptionInfo *) NULL); |
| 2360 | assert(exception->signature == MagickSignature); |
| 2361 | transverse_image=CloneImage(image,image->rows,image->columns,MagickTrue, |
| 2362 | exception); |
| 2363 | if (transverse_image == (Image *) NULL) |
| 2364 | return((Image *) NULL); |
| 2365 | /* |
| 2366 | Transverse image. |
| 2367 | */ |
| 2368 | status=MagickTrue; |
| 2369 | progress=0; |
cristy | db07095 | 2012-04-20 14:33:00 +0000 | [diff] [blame] | 2370 | image_view=AcquireVirtualCacheView(image,exception); |
| 2371 | transverse_view=AcquireAuthenticCacheView(transverse_image,exception); |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 2372 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | ac245f8 | 2012-05-05 17:13:57 +0000 | [diff] [blame] | 2373 | #pragma omp parallel for schedule(static,4) shared(progress,status) \ |
cristy | 4ee2b0c | 2012-05-15 00:30:35 +0000 | [diff] [blame] | 2374 | dynamic_number_threads(image,image->columns,image->rows,1) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2375 | #endif |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2376 | for (y=0; y < (ssize_t) image->rows; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2377 | { |
| 2378 | MagickBooleanType |
| 2379 | sync; |
| 2380 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2381 | register const Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 2382 | *restrict p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2383 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2384 | register Quantum |
cristy | c47d1f8 | 2009-11-26 01:44:43 +0000 | [diff] [blame] | 2385 | *restrict q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2386 | |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 2387 | register ssize_t |
| 2388 | x; |
| 2389 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2390 | if (status == MagickFalse) |
| 2391 | continue; |
| 2392 | p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 2393 | q=QueueCacheViewAuthenticPixels(transverse_view,(ssize_t) (image->rows-y-1), |
| 2394 | 0,1,transverse_image->rows,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2395 | if ((p == (const Quantum *) NULL) || (q == (Quantum *) NULL)) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2396 | { |
| 2397 | status=MagickFalse; |
| 2398 | continue; |
| 2399 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 2400 | q+=GetPixelChannels(transverse_image)*image->columns; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2401 | for (x=0; x < (ssize_t) image->columns; x++) |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2402 | { |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 2403 | register ssize_t |
| 2404 | i; |
| 2405 | |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 2406 | q-=GetPixelChannels(transverse_image); |
cristy | 10a6c61 | 2012-01-29 21:41:05 +0000 | [diff] [blame] | 2407 | if (GetPixelMask(image,p) != 0) |
| 2408 | { |
| 2409 | p+=GetPixelChannels(image); |
| 2410 | continue; |
| 2411 | } |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 2412 | for (i=0; i < (ssize_t) GetPixelChannels(image); i++) |
| 2413 | { |
| 2414 | PixelChannel |
| 2415 | channel; |
| 2416 | |
| 2417 | PixelTrait |
| 2418 | traits, |
| 2419 | transverse_traits; |
| 2420 | |
cristy | cf1296e | 2012-08-26 23:40:49 +0000 | [diff] [blame] | 2421 | channel=GetPixelChannelChannel(image,i); |
| 2422 | traits=GetPixelChannelTraits(image,channel); |
| 2423 | transverse_traits=GetPixelChannelTraits(transverse_image,channel); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 2424 | if ((traits == UndefinedPixelTrait) || |
| 2425 | (transverse_traits == UndefinedPixelTrait)) |
| 2426 | continue; |
cristy | 0beccfa | 2011-09-25 20:47:53 +0000 | [diff] [blame] | 2427 | SetPixelChannel(transverse_image,channel,p[i],q); |
cristy | 010d7d1 | 2011-08-31 01:02:48 +0000 | [diff] [blame] | 2428 | } |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 2429 | p+=GetPixelChannels(image); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2430 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2431 | sync=SyncCacheViewAuthenticPixels(transverse_view,exception); |
| 2432 | if (sync == MagickFalse) |
| 2433 | status=MagickFalse; |
| 2434 | if (image->progress_monitor != (MagickProgressMonitor) NULL) |
| 2435 | { |
| 2436 | MagickBooleanType |
| 2437 | proceed; |
| 2438 | |
cristy | b5d5f72 | 2009-11-04 03:03:49 +0000 | [diff] [blame] | 2439 | #if defined(MAGICKCORE_OPENMP_SUPPORT) |
cristy | a5ab7ad | 2012-01-21 23:49:58 +0000 | [diff] [blame] | 2440 | #pragma omp critical (MagickCore_TransverseImage) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2441 | #endif |
| 2442 | proceed=SetImageProgress(image,TransverseImageTag,progress++, |
| 2443 | image->rows); |
| 2444 | if (proceed == MagickFalse) |
| 2445 | status=MagickFalse; |
| 2446 | } |
| 2447 | } |
| 2448 | transverse_view=DestroyCacheView(transverse_view); |
| 2449 | image_view=DestroyCacheView(image_view); |
| 2450 | transverse_image->type=image->type; |
| 2451 | page=transverse_image->page; |
| 2452 | Swap(page.width,page.height); |
| 2453 | Swap(page.x,page.y); |
anthony | bdaa5b3 | 2010-12-10 13:06:46 +0000 | [diff] [blame] | 2454 | if (page.width != 0) |
| 2455 | page.x=(ssize_t) (page.width-transverse_image->columns-page.x); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2456 | if (page.height != 0) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 2457 | page.y=(ssize_t) (page.height-transverse_image->rows-page.y); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2458 | transverse_image->page=page; |
| 2459 | if (status == MagickFalse) |
| 2460 | transverse_image=DestroyImage(transverse_image); |
| 2461 | return(transverse_image); |
| 2462 | } |
| 2463 | |
| 2464 | /* |
| 2465 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2466 | % % |
| 2467 | % % |
| 2468 | % % |
| 2469 | % T r i m I m a g e % |
| 2470 | % % |
| 2471 | % % |
| 2472 | % % |
| 2473 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 2474 | % |
| 2475 | % TrimImage() trims pixels from the image edges. It allocates the memory |
| 2476 | % necessary for the new Image structure and returns a pointer to the new |
| 2477 | % image. |
| 2478 | % |
| 2479 | % The format of the TrimImage method is: |
| 2480 | % |
| 2481 | % Image *TrimImage(const Image *image,ExceptionInfo *exception) |
| 2482 | % |
| 2483 | % A description of each parameter follows: |
| 2484 | % |
| 2485 | % o image: the image. |
| 2486 | % |
| 2487 | % o exception: return any errors or warnings in this structure. |
| 2488 | % |
| 2489 | */ |
| 2490 | MagickExport Image *TrimImage(const Image *image,ExceptionInfo *exception) |
| 2491 | { |
| 2492 | RectangleInfo |
| 2493 | geometry; |
| 2494 | |
| 2495 | assert(image != (const Image *) NULL); |
| 2496 | assert(image->signature == MagickSignature); |
| 2497 | if (image->debug != MagickFalse) |
| 2498 | (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); |
| 2499 | geometry=GetImageBoundingBox(image,exception); |
| 2500 | if ((geometry.width == 0) || (geometry.height == 0)) |
| 2501 | { |
| 2502 | Image |
| 2503 | *crop_image; |
| 2504 | |
| 2505 | crop_image=CloneImage(image,1,1,MagickTrue,exception); |
| 2506 | if (crop_image == (Image *) NULL) |
| 2507 | return((Image *) NULL); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 2508 | crop_image->background_color.alpha=(Quantum) TransparentAlpha; |
cristy | ea1a8aa | 2011-10-20 13:24:06 +0000 | [diff] [blame] | 2509 | (void) SetImageBackgroundColor(crop_image,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 2510 | crop_image->page=image->page; |
| 2511 | crop_image->page.x=(-1); |
| 2512 | crop_image->page.y=(-1); |
| 2513 | return(crop_image); |
| 2514 | } |
| 2515 | geometry.x+=image->page.x; |
| 2516 | geometry.y+=image->page.y; |
| 2517 | return(CropImage(image,&geometry,exception)); |
| 2518 | } |