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Cristy | 594d277 | 2015-11-15 10:47:42 -0500 | [diff] [blame^] | 55 | <p class="text-center"><a href="transform.html#AutoOrientImage">AutoOrientImage</a> • <a href="transform.html#ChopImage">ChopImage</a> • <a href="transform.html#CropImage">CropImage</a> • <a href="transform.html#CropImageToTiles">CropImageToTiles</a> • <a href="transform.html#ExcerptImage">ExcerptImage</a> • <a href="transform.html#ExtentImage">ExtentImage</a> • <a href="transform.html#FlipImage">FlipImage</a> • <a href="transform.html#FlopImage">FlopImage</a> • <a href="transform.html#RollImage">RollImage</a> • <a href="transform.html#ShaveImage">ShaveImage</a> • <a href="transform.html#SpliceImage">SpliceImage</a> • <a href="transform.html#TransformImage">TransformImage</a> • <a href="transform.html#TransformImages">TransformImages</a> • <a href="transform.html#TransposeImage">TransposeImage</a> • <a href="transform.html#TransverseImage">TransverseImage</a> • <a href="transform.html#TrimImage">TrimImage</a></p> |
cristy | 06f63f2 | 2012-10-31 00:50:07 +0000 | [diff] [blame] | 56 | |
cristy | cecc949 | 2015-06-09 16:53:50 +0000 | [diff] [blame] | 57 | <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/transform_8c.html" id="AutoOrientImage">AutoOrientImage</a></h2> |
| 58 | |
| 59 | <p>AutoOrientImage() adjusts an image so that its orientation is suitable for viewing (i.e. top-left orientation).</p> |
| 60 | |
| 61 | <p>The format of the AutoOrientImage method is:</p> |
| 62 | |
| 63 | <pre class="text"> |
| 64 | Image *AutoOrientImage(const Image *image, |
| 65 | const OrientationType orientation,ExceptionInfo *exception) |
| 66 | </pre> |
| 67 | |
| 68 | <p>A description of each parameter follows:</p> |
| 69 | |
| 70 | <dd> |
| 71 | </dd> |
| 72 | |
| 73 | <dd> </dd> |
| 74 | <dl class="dl-horizontal"> |
| 75 | <dt>image</dt> |
| 76 | <dd>The image. </dd> |
| 77 | |
| 78 | <dd> </dd> |
| 79 | <dt>orientation</dt> |
| 80 | <dd>Current image orientation. </dd> |
| 81 | |
| 82 | <dd> </dd> |
| 83 | <dt>exception</dt> |
| 84 | <dd>Return any errors or warnings in this structure. </dd> |
| 85 | |
| 86 | <dd> </dd> |
| 87 | </dl> |
| 88 | <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/transform_8c.html" id="ChopImage">ChopImage</a></h2> |
| 89 | |
| 90 | <p>ChopImage() removes a region of an image and collapses the image to occupy the removed portion.</p> |
| 91 | |
| 92 | <p>The format of the ChopImage method is:</p> |
| 93 | |
| 94 | <pre class="text"> |
| 95 | Image *ChopImage(const Image *image,const RectangleInfo *chop_info) |
| 96 | ExceptionInfo *exception) |
| 97 | </pre> |
| 98 | |
| 99 | <p>A description of each parameter follows:</p> |
| 100 | |
| 101 | <dd> |
| 102 | </dd> |
| 103 | |
| 104 | <dd> </dd> |
| 105 | <dl class="dl-horizontal"> |
| 106 | <dt>image</dt> |
| 107 | <dd>the image. </dd> |
| 108 | |
| 109 | <dd> </dd> |
| 110 | <dt>chop_info</dt> |
| 111 | <dd>Define the region of the image to chop. </dd> |
| 112 | |
| 113 | <dd> </dd> |
| 114 | <dt>exception</dt> |
| 115 | <dd>return any errors or warnings in this structure. </dd> |
| 116 | |
| 117 | <dd> </dd> |
| 118 | </dl> |
| 119 | <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/transform_8c.html" id="CropImage">CropImage</a></h2> |
| 120 | |
| 121 | <p>CropImage() extracts a region of the image starting at the offset defined by geometry. Region must be fully defined, and no special handling of geometry flags is performed.</p> |
| 122 | |
| 123 | <p>The format of the CropImage method is:</p> |
| 124 | |
| 125 | <pre class="text"> |
| 126 | Image *CropImage(const Image *image,const RectangleInfo *geometry, |
| 127 | ExceptionInfo *exception) |
| 128 | </pre> |
| 129 | |
| 130 | <p>A description of each parameter follows:</p> |
| 131 | |
| 132 | <dd> |
| 133 | </dd> |
| 134 | |
| 135 | <dd> </dd> |
| 136 | <dl class="dl-horizontal"> |
| 137 | <dt>image</dt> |
| 138 | <dd>the image. </dd> |
| 139 | |
| 140 | <dd> </dd> |
| 141 | <dt>geometry</dt> |
| 142 | <dd>Define the region of the image to crop with members x, y, width, and height. </dd> |
| 143 | |
| 144 | <dd> </dd> |
| 145 | <dt>exception</dt> |
| 146 | <dd>return any errors or warnings in this structure. </dd> |
| 147 | |
| 148 | <dd> </dd> |
| 149 | </dl> |
| 150 | <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/transform_8c.html" id="CropImageToTiles">CropImageToTiles</a></h2> |
| 151 | |
| 152 | <p>CropImageToTiles() crops a single image, into a possible list of tiles. This may include a single sub-region of the image. This basically applies all the normal geometry flags for Crop.</p> |
| 153 | |
| 154 | <p>Image *CropImageToTiles(const Image *image, const RectangleInfo *crop_geometry, ExceptionInfo *exception)</p> |
| 155 | |
| 156 | <p>A description of each parameter follows:</p> |
| 157 | |
| 158 | <dd> |
| 159 | </dd> |
| 160 | |
| 161 | <dd> </dd> |
| 162 | <dl class="dl-horizontal"> |
| 163 | <dt>image</dt> |
| 164 | <dd>the image The transformed image is returned as this parameter. </dd> |
| 165 | |
| 166 | <dd> </dd> |
| 167 | <dt>crop_geometry</dt> |
| 168 | <dd>A crop geometry string. </dd> |
| 169 | |
| 170 | <dd> </dd> |
| 171 | <dt>exception</dt> |
| 172 | <dd>return any errors or warnings in this structure. </dd> |
| 173 | |
| 174 | <dd> </dd> |
| 175 | </dl> |
| 176 | <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/transform_8c.html" id="ExcerptImage">ExcerptImage</a></h2> |
| 177 | |
| 178 | <p>ExcerptImage() returns a excerpt of the image as defined by the geometry.</p> |
| 179 | |
| 180 | <p>The format of the ExcerptImage method is:</p> |
| 181 | |
| 182 | <pre class="text"> |
| 183 | Image *ExcerptImage(const Image *image,const RectangleInfo *geometry, |
| 184 | ExceptionInfo *exception) |
| 185 | </pre> |
| 186 | |
| 187 | <p>A description of each parameter follows:</p> |
| 188 | |
| 189 | <dd> |
| 190 | </dd> |
| 191 | |
| 192 | <dd> </dd> |
| 193 | <dl class="dl-horizontal"> |
| 194 | <dt>image</dt> |
| 195 | <dd>the image. </dd> |
| 196 | |
| 197 | <dd> </dd> |
| 198 | <dt>geometry</dt> |
| 199 | <dd>Define the region of the image to extend with members x, y, width, and height. </dd> |
| 200 | |
| 201 | <dd> </dd> |
| 202 | <dt>exception</dt> |
| 203 | <dd>return any errors or warnings in this structure. </dd> |
| 204 | |
| 205 | <dd> </dd> |
| 206 | </dl> |
| 207 | <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/transform_8c.html" id="ExtentImage">ExtentImage</a></h2> |
| 208 | |
| 209 | <p>ExtentImage() extends the image as defined by the geometry, gravity, and image background color. Set the (x,y) offset of the geometry to move the original image relative to the extended image.</p> |
| 210 | |
| 211 | <p>The format of the ExtentImage method is:</p> |
| 212 | |
| 213 | <pre class="text"> |
| 214 | Image *ExtentImage(const Image *image,const RectangleInfo *geometry, |
| 215 | ExceptionInfo *exception) |
| 216 | </pre> |
| 217 | |
| 218 | <p>A description of each parameter follows:</p> |
| 219 | |
| 220 | <dd> |
| 221 | </dd> |
| 222 | |
| 223 | <dd> </dd> |
| 224 | <dl class="dl-horizontal"> |
| 225 | <dt>image</dt> |
| 226 | <dd>the image. </dd> |
| 227 | |
| 228 | <dd> </dd> |
| 229 | <dt>geometry</dt> |
| 230 | <dd>Define the region of the image to extend with members x, y, width, and height. </dd> |
| 231 | |
| 232 | <dd> </dd> |
| 233 | <dt>exception</dt> |
| 234 | <dd>return any errors or warnings in this structure. </dd> |
| 235 | |
| 236 | <dd> </dd> |
| 237 | </dl> |
| 238 | <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/transform_8c.html" id="FlipImage">FlipImage</a></h2> |
| 239 | |
| 240 | <p>FlipImage() creates a vertical mirror image by reflecting the pixels around the central x-axis.</p> |
| 241 | |
| 242 | <p>The format of the FlipImage method is:</p> |
| 243 | |
| 244 | <pre class="text"> |
| 245 | Image *FlipImage(const Image *image,ExceptionInfo *exception) |
| 246 | </pre> |
| 247 | |
| 248 | <p>A description of each parameter follows:</p> |
| 249 | |
| 250 | <dd> |
| 251 | </dd> |
| 252 | |
| 253 | <dd> </dd> |
| 254 | <dl class="dl-horizontal"> |
| 255 | <dt>image</dt> |
| 256 | <dd>the image. </dd> |
| 257 | |
| 258 | <dd> </dd> |
| 259 | <dt>exception</dt> |
| 260 | <dd>return any errors or warnings in this structure. </dd> |
| 261 | |
| 262 | <dd> </dd> |
| 263 | </dl> |
| 264 | <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/transform_8c.html" id="FlopImage">FlopImage</a></h2> |
| 265 | |
| 266 | <p>FlopImage() creates a horizontal mirror image by reflecting the pixels around the central y-axis.</p> |
| 267 | |
| 268 | <p>The format of the FlopImage method is:</p> |
| 269 | |
| 270 | <pre class="text"> |
| 271 | Image *FlopImage(const Image *image,ExceptionInfo *exception) |
| 272 | </pre> |
| 273 | |
| 274 | <p>A description of each parameter follows:</p> |
| 275 | |
| 276 | <dd> |
| 277 | </dd> |
| 278 | |
| 279 | <dd> </dd> |
| 280 | <dl class="dl-horizontal"> |
| 281 | <dt>image</dt> |
| 282 | <dd>the image. </dd> |
| 283 | |
| 284 | <dd> </dd> |
| 285 | <dt>exception</dt> |
| 286 | <dd>return any errors or warnings in this structure. </dd> |
| 287 | |
| 288 | <dd> </dd> |
| 289 | </dl> |
| 290 | <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/transform_8c.html" id="RollImage">RollImage</a></h2> |
| 291 | |
| 292 | <p>RollImage() offsets an image as defined by x_offset and y_offset.</p> |
| 293 | |
| 294 | <p>The format of the RollImage method is:</p> |
| 295 | |
| 296 | <pre class="text"> |
| 297 | Image *RollImage(const Image *image,const ssize_t x_offset, |
| 298 | const ssize_t y_offset,ExceptionInfo *exception) |
| 299 | </pre> |
| 300 | |
| 301 | <p>A description of each parameter follows:</p> |
| 302 | |
| 303 | <dd> |
| 304 | </dd> |
| 305 | |
| 306 | <dd> </dd> |
| 307 | <dl class="dl-horizontal"> |
| 308 | <dt>image</dt> |
| 309 | <dd>the image. </dd> |
| 310 | |
| 311 | <dd> </dd> |
| 312 | <dt>x_offset</dt> |
| 313 | <dd>the number of columns to roll in the horizontal direction. </dd> |
| 314 | |
| 315 | <dd> </dd> |
| 316 | <dt>y_offset</dt> |
| 317 | <dd>the number of rows to roll in the vertical direction. </dd> |
| 318 | |
| 319 | <dd> </dd> |
| 320 | <dt>exception</dt> |
| 321 | <dd>return any errors or warnings in this structure. </dd> |
| 322 | |
| 323 | <dd> </dd> |
| 324 | </dl> |
| 325 | <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/transform_8c.html" id="ShaveImage">ShaveImage</a></h2> |
| 326 | |
| 327 | <p>ShaveImage() shaves pixels from the image edges. It allocates the memory necessary for the new Image structure and returns a pointer to the new image.</p> |
| 328 | |
| 329 | <p>The format of the ShaveImage method is:</p> |
| 330 | |
| 331 | <pre class="text"> |
| 332 | Image *ShaveImage(const Image *image,const RectangleInfo *shave_info, |
| 333 | ExceptionInfo *exception) |
| 334 | </pre> |
| 335 | |
| 336 | <p>A description of each parameter follows:</p> |
| 337 | |
| 338 | <dd> |
| 339 | </dd> |
| 340 | |
| 341 | <dd> </dd> |
| 342 | <dl class="dl-horizontal"> |
| 343 | <dt>shave_image</dt> |
| 344 | <dd>Method ShaveImage returns a pointer to the shaved image. A null image is returned if there is a memory shortage or if the image width or height is zero. </dd> |
| 345 | |
| 346 | <dd> </dd> |
| 347 | <dt>image</dt> |
| 348 | <dd>the image. </dd> |
| 349 | |
| 350 | <dd> </dd> |
| 351 | <dt>shave_info</dt> |
| 352 | <dd>Specifies a pointer to a RectangleInfo which defines the region of the image to crop. </dd> |
| 353 | |
| 354 | <dd> </dd> |
| 355 | <dt>exception</dt> |
| 356 | <dd>return any errors or warnings in this structure. </dd> |
| 357 | |
| 358 | <dd> </dd> |
| 359 | </dl> |
| 360 | <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/transform_8c.html" id="SpliceImage">SpliceImage</a></h2> |
| 361 | |
| 362 | <p>SpliceImage() splices a solid color into the image as defined by the geometry.</p> |
| 363 | |
| 364 | <p>The format of the SpliceImage method is:</p> |
| 365 | |
| 366 | <pre class="text"> |
| 367 | Image *SpliceImage(const Image *image,const RectangleInfo *geometry, |
| 368 | ExceptionInfo *exception) |
| 369 | </pre> |
| 370 | |
| 371 | <p>A description of each parameter follows:</p> |
| 372 | |
| 373 | <dd> |
| 374 | </dd> |
| 375 | |
| 376 | <dd> </dd> |
| 377 | <dl class="dl-horizontal"> |
| 378 | <dt>image</dt> |
| 379 | <dd>the image. </dd> |
| 380 | |
| 381 | <dd> </dd> |
| 382 | <dt>geometry</dt> |
| 383 | <dd>Define the region of the image to splice with members x, y, width, and height. </dd> |
| 384 | |
| 385 | <dd> </dd> |
| 386 | <dt>exception</dt> |
| 387 | <dd>return any errors or warnings in this structure. </dd> |
| 388 | |
| 389 | <dd> </dd> |
| 390 | </dl> |
| 391 | <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/transform_8c.html" id="TransformImage">TransformImage</a></h2> |
| 392 | |
| 393 | <p>TransformImage() is a convenience method that behaves like ResizeImage() or CropImage() but accepts scaling and/or cropping information as a region geometry specification. If the operation fails, the original image handle is left as is.</p> |
| 394 | |
| 395 | <p>This should only be used for single images.</p> |
| 396 | |
| 397 | <p>This function destroys what it assumes to be a single image list. If the input image is part of a larger list, all other images in that list will be simply 'lost', not destroyed.</p> |
| 398 | |
| 399 | <p>Also if the crop generates a list of images only the first image is resized. And finally if the crop succeeds and the resize failed, you will get a cropped image, as well as a 'false' or 'failed' report.</p> |
| 400 | |
| 401 | <p>This function and should probably be deprecated in favor of direct calls to CropImageToTiles() or ResizeImage(), as appropriate.</p> |
| 402 | |
| 403 | <p>The format of the TransformImage method is:</p> |
| 404 | |
| 405 | <pre class="text"> |
| 406 | MagickBooleanType TransformImage(Image **image,const char *crop_geometry, |
| 407 | const char *image_geometry,ExceptionInfo *exception) |
| 408 | </pre> |
| 409 | |
| 410 | <p>A description of each parameter follows:</p> |
| 411 | |
| 412 | <dd> |
| 413 | </dd> |
| 414 | |
| 415 | <dd> </dd> |
| 416 | <dl class="dl-horizontal"> |
| 417 | <dt>image</dt> |
| 418 | <dd>the image The transformed image is returned as this parameter. </dd> |
| 419 | |
| 420 | <dd> </dd> |
| 421 | <dt>crop_geometry</dt> |
| 422 | <dd>A crop geometry string. This geometry defines a subregion of the image to crop. </dd> |
| 423 | |
| 424 | <dd> </dd> |
| 425 | <dt>image_geometry</dt> |
| 426 | <dd>An image geometry string. This geometry defines the final size of the image. </dd> |
| 427 | |
| 428 | <dd> </dd> |
| 429 | <dt>exception</dt> |
| 430 | <dd>return any errors or warnings in this structure. </dd> |
| 431 | |
| 432 | <dd> </dd> |
| 433 | </dl> |
| 434 | <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/transform_8c.html" id="TransformImages">TransformImages</a></h2> |
| 435 | |
| 436 | <p>TransformImages() calls TransformImage() on each image of a sequence.</p> |
| 437 | |
| 438 | <p>The format of the TransformImage method is:</p> |
| 439 | |
| 440 | <pre class="text"> |
| 441 | MagickBooleanType TransformImages(Image **image, |
| 442 | const char *crop_geometry,const char *image_geometry, |
| 443 | ExceptionInfo *exception) |
| 444 | </pre> |
| 445 | |
| 446 | <p>A description of each parameter follows:</p> |
| 447 | |
| 448 | <dd> |
| 449 | </dd> |
| 450 | |
| 451 | <dd> </dd> |
| 452 | <dl class="dl-horizontal"> |
| 453 | <dt>image</dt> |
| 454 | <dd>the image The transformed image is returned as this parameter. </dd> |
| 455 | |
| 456 | <dd> </dd> |
| 457 | <dt>crop_geometry</dt> |
| 458 | <dd>A crop geometry string. This geometry defines a subregion of the image to crop. </dd> |
| 459 | |
| 460 | <dd> </dd> |
| 461 | <dt>image_geometry</dt> |
| 462 | <dd>An image geometry string. This geometry defines the final size of the image. </dd> |
| 463 | |
| 464 | <dd> </dd> |
| 465 | <dt>exception</dt> |
| 466 | <dd>return any errors or warnings in this structure. </dd> |
| 467 | |
| 468 | <dd> </dd> |
| 469 | </dl> |
| 470 | <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/transform_8c.html" id="TransposeImage">TransposeImage</a></h2> |
| 471 | |
| 472 | <p>TransposeImage() creates a horizontal mirror image by reflecting the pixels around the central y-axis while rotating them by 90 degrees.</p> |
| 473 | |
| 474 | <p>The format of the TransposeImage method is:</p> |
| 475 | |
| 476 | <pre class="text"> |
| 477 | Image *TransposeImage(const Image *image,ExceptionInfo *exception) |
| 478 | </pre> |
| 479 | |
| 480 | <p>A description of each parameter follows:</p> |
| 481 | |
| 482 | <dd> |
| 483 | </dd> |
| 484 | |
| 485 | <dd> </dd> |
| 486 | <dl class="dl-horizontal"> |
| 487 | <dt>image</dt> |
| 488 | <dd>the image. </dd> |
| 489 | |
| 490 | <dd> </dd> |
| 491 | <dt>exception</dt> |
| 492 | <dd>return any errors or warnings in this structure. </dd> |
| 493 | |
| 494 | <dd> </dd> |
| 495 | </dl> |
| 496 | <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/transform_8c.html" id="TransverseImage">TransverseImage</a></h2> |
| 497 | |
| 498 | <p>TransverseImage() creates a vertical mirror image by reflecting the pixels around the central x-axis while rotating them by 270 degrees.</p> |
| 499 | |
| 500 | <p>The format of the TransverseImage method is:</p> |
| 501 | |
| 502 | <pre class="text"> |
| 503 | Image *TransverseImage(const Image *image,ExceptionInfo *exception) |
| 504 | </pre> |
| 505 | |
| 506 | <p>A description of each parameter follows:</p> |
| 507 | |
| 508 | <dd> |
| 509 | </dd> |
| 510 | |
| 511 | <dd> </dd> |
| 512 | <dl class="dl-horizontal"> |
| 513 | <dt>image</dt> |
| 514 | <dd>the image. </dd> |
| 515 | |
| 516 | <dd> </dd> |
| 517 | <dt>exception</dt> |
| 518 | <dd>return any errors or warnings in this structure. </dd> |
| 519 | |
| 520 | <dd> </dd> |
| 521 | </dl> |
| 522 | <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/transform_8c.html" id="TrimImage">TrimImage</a></h2> |
| 523 | |
| 524 | <p>TrimImage() trims pixels from the image edges. It allocates the memory necessary for the new Image structure and returns a pointer to the new image.</p> |
| 525 | |
| 526 | <p>The format of the TrimImage method is:</p> |
| 527 | |
| 528 | <pre class="text"> |
| 529 | Image *TrimImage(const Image *image,ExceptionInfo *exception) |
| 530 | </pre> |
| 531 | |
| 532 | <p>A description of each parameter follows:</p> |
| 533 | |
| 534 | <dd> |
| 535 | </dd> |
| 536 | |
| 537 | <dd> </dd> |
| 538 | <dl class="dl-horizontal"> |
| 539 | <dt>image</dt> |
| 540 | <dd>the image. </dd> |
| 541 | |
| 542 | <dd> </dd> |
| 543 | <dt>exception</dt> |
| 544 | <dd>return any errors or warnings in this structure. </dd> |
| 545 | |
| 546 | <dd> </dd> |
| 547 | </dl> |
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