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44 </script> 45 <nav class="magick-nav"> 46 <a class="magick-nav-item " href="../index.html">Home</a> 47 <a class="magick-nav-item " href="../binary-releases.html">Download</a> 48 <a class="magick-nav-item " href="../command-line-tools.html">Tools</a> 49 <a class="magick-nav-item " href="../command-line-processing.html">Command-line</a> 50 <a class="magick-nav-item " href="../resources.html">Resources</a> 51 <a class="magick-nav-item " href="api.html">Develop</a> 52 <a class="magick-nav-item " href="http://www.imagemagick.org/script/search.php">Search</a> 53 <a class="magick-nav-item pull-right" href="https://www.imagemagick.org/discourse-server/">Community</a> 54 </nav> 55 </div> 56 </div> 57 <div class="container"> 58 <div class="magick-header"> 59 <p class="text-center"><a href="attribute.html#GetImageDepth">GetImageDepth</a> • <a href="attribute.html#GetImageQuantumDepth">GetImageQuantumDepth</a> • <a href="attribute.html#GetImageType">GetImageType</a> • <a href="attribute.html#IdentifyImageGray">IdentifyImageGray</a> • <a href="attribute.html#IdentifyImageMonochrome">IdentifyImageMonochrome</a> • <a href="attribute.html#IdentifyImageType">IdentifyImageType</a> • <a href="attribute.html#IsImageGray">IsImageGray</a> • <a href="attribute.html#IsImageMonochrome">IsImageMonochrome</a> • <a href="attribute.html#IsImageOpaque">IsImageOpaque</a> • <a href="attribute.html#SetImageDepth">SetImageDepth</a> • <a href="attribute.html#SetImageType">SetImageType</a></p> 60 61 <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="GetImageDepth">GetImageDepth</a></h2> 62 63 <p>GetImageDepth() returns the depth of a particular image channel.</p> 64 65 <p>The format of the GetImageDepth method is:</p> 66 67 <pre class="text"> 68 size_t GetImageDepth(const Image *image,ExceptionInfo *exception) 69 </pre> 70 71 <p>A description of each parameter follows:</p> 72 73 <dd> 74 </dd> 75 76 <dd> </dd> 77 <dl class="dl-horizontal"> 78 <dt>image</dt> 79 <dd>the image. </dd> 80 81 <dd> </dd> 82 <dt>exception</dt> 83 <dd>return any errors or warnings in this structure. </dd> 84 85 <dd> </dd> 86 </dl> 87 <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="GetImageQuantumDepth">GetImageQuantumDepth</a></h2> 88 89 <p>GetImageQuantumDepth() returns the depth of the image rounded to a legal quantum depth: 8, 16, or 32.</p> 90 91 <p>The format of the GetImageQuantumDepth method is:</p> 92 93 <pre class="text"> 94 size_t GetImageQuantumDepth(const Image *image, 95 const MagickBooleanType constrain) 96 </pre> 97 98 <p>A description of each parameter follows:</p> 99 100 <dd> 101 </dd> 102 103 <dd> </dd> 104 <dl class="dl-horizontal"> 105 <dt>image</dt> 106 <dd>the image. </dd> 107 108 <dd> </dd> 109 <dt>constrain</dt> 110 <dd>A value other than MagickFalse, constrains the depth to a maximum of MAGICKCORE_QUANTUM_DEPTH. </dd> 111 112 <dd> </dd> 113 </dl> 114 <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="GetImageType">GetImageType</a></h2> 115 116 <p>GetImageType() returns the type of image:</p> 117 118 <p>Bilevel Grayscale GrayscaleMatte Palette PaletteMatte TrueColor TrueColorMatte ColorSeparation ColorSeparationMatte</p> 119 120 <p>The format of the GetImageType method is:</p> 121 122 <pre class="text"> 123 ImageType GetImageType(const Image *image) 124 </pre> 125 126 <p>A description of each parameter follows:</p> 127 128 <dd> 129 </dd> 130 131 <dd> </dd> 132 <dl class="dl-horizontal"> 133 <dt>image</dt> 134 <dd>the image. </dd> 135 136 <dd> </dd> 137 </dl> 138 <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="IdentifyImageGray">IdentifyImageGray</a></h2> 139 140 <p>IdentifyImageGray() returns grayscale if all the pixels in the image have the same red, green, and blue intensities, and bi-level is the intensity is either 0 or QuantumRange. Otherwise undefined is returned.</p> 141 142 <p>The format of the IdentifyImageGray method is:</p> 143 144 <pre class="text"> 145 ImageType IdentifyImageGray(const Image *image,ExceptionInfo *exception) 146 </pre> 147 148 <p>A description of each parameter follows:</p> 149 150 <dd> 151 </dd> 152 153 <dd> </dd> 154 <dl class="dl-horizontal"> 155 <dt>image</dt> 156 <dd>the image. </dd> 157 158 <dd> </dd> 159 <dt>exception</dt> 160 <dd>return any errors or warnings in this structure. </dd> 161 162 <dd> </dd> 163 </dl> 164 <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="IdentifyImageMonochrome">IdentifyImageMonochrome</a></h2> 165 166 <p>IdentifyImageMonochrome() returns MagickTrue if all the pixels in the image have the same red, green, and blue intensities and the intensity is either 0 or QuantumRange.</p> 167 168 <p>The format of the IdentifyImageMonochrome method is:</p> 169 170 <pre class="text"> 171 MagickBooleanType IdentifyImageMonochrome(const Image *image, 172 ExceptionInfo *exception) 173 </pre> 174 175 <p>A description of each parameter follows:</p> 176 177 <dd> 178 </dd> 179 180 <dd> </dd> 181 <dl class="dl-horizontal"> 182 <dt>image</dt> 183 <dd>the image. </dd> 184 185 <dd> </dd> 186 <dt>exception</dt> 187 <dd>return any errors or warnings in this structure. </dd> 188 189 <dd> </dd> 190 </dl> 191 <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="IdentifyImageType">IdentifyImageType</a></h2> 192 193 <p>IdentifyImageType() returns the potential type of image:</p> 194 195 <p>Bilevel Grayscale GrayscaleMatte Palette PaletteMatte TrueColor TrueColorMatte ColorSeparation ColorSeparationMatte</p> 196 197 <p>To ensure the image type matches its potential, use SetImageType():</p> 198 199 <pre class="text"> 200 (void) SetImageType(image,IdentifyImageType(image,exception),exception); 201 </pre> 202 203 <p>The format of the IdentifyImageType method is:</p> 204 205 <pre class="text"> 206 ImageType IdentifyImageType(const Image *image,ExceptionInfo *exception) 207 </pre> 208 209 <p>A description of each parameter follows:</p> 210 211 <dd> 212 </dd> 213 214 <dd> </dd> 215 <dl class="dl-horizontal"> 216 <dt>image</dt> 217 <dd>the image. </dd> 218 219 <dd> </dd> 220 <dt>exception</dt> 221 <dd>return any errors or warnings in this structure. </dd> 222 223 <dd> </dd> 224 </dl> 225 <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="IsImageGray">IsImageGray</a></h2> 226 227 <p>IsImageGray() returns MagickTrue if the type of the image is grayscale or bi-level.</p> 228 229 <p>The format of the IsImageGray method is:</p> 230 231 <pre class="text"> 232 MagickBooleanType IsImageGray(const Image *image) 233 </pre> 234 235 <p>A description of each parameter follows:</p> 236 237 <dd> 238 </dd> 239 240 <dd> </dd> 241 <dl class="dl-horizontal"> 242 <dt>image</dt> 243 <dd>the image. </dd> 244 245 <dd> </dd> 246 </dl> 247 <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="IsImageMonochrome">IsImageMonochrome</a></h2> 248 249 <p>IsImageMonochrome() returns MagickTrue if type of the image is bi-level.</p> 250 251 <p>The format of the IsImageMonochrome method is:</p> 252 253 <pre class="text"> 254 MagickBooleanType IsImageMonochrome(const Image *image) 255 </pre> 256 257 <p>A description of each parameter follows:</p> 258 259 <dd> 260 </dd> 261 262 <dd> </dd> 263 <dl class="dl-horizontal"> 264 <dt>image</dt> 265 <dd>the image. </dd> 266 267 <dd> </dd> 268 </dl> 269 <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="IsImageOpaque">IsImageOpaque</a></h2> 270 271 <p>IsImageOpaque() returns MagickTrue if none of the pixels in the image have an alpha value other than OpaqueAlpha (QuantumRange).</p> 272 273 <p>Will return true immediatally is alpha channel is not available.</p> 274 275 <p>The format of the IsImageOpaque method is:</p> 276 277 <pre class="text"> 278 MagickBooleanType IsImageOpaque(const Image *image, 279 ExceptionInfo *exception) 280 </pre> 281 282 <p>A description of each parameter follows:</p> 283 284 <dd> 285 </dd> 286 287 <dd> </dd> 288 <dl class="dl-horizontal"> 289 <dt>image</dt> 290 <dd>the image. </dd> 291 292 <dd> </dd> 293 <dt>exception</dt> 294 <dd>return any errors or warnings in this structure. </dd> 295 296 <dd> </dd> 297 </dl> 298 <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="SetImageDepth">SetImageDepth</a></h2> 299 300 <p>SetImageDepth() sets the depth of the image.</p> 301 302 <p>The format of the SetImageDepth method is:</p> 303 304 <pre class="text"> 305 MagickBooleanType SetImageDepth(Image *image,const size_t depth, 306 ExceptionInfo *exception) 307 </pre> 308 309 <p>A description of each parameter follows:</p> 310 311 <dd> 312 </dd> 313 314 <dd> </dd> 315 <dl class="dl-horizontal"> 316 <dt>image</dt> 317 <dd>the image. </dd> 318 319 <dd> </dd> 320 <dt>channel</dt> 321 <dd>the channel. </dd> 322 323 <dd> </dd> 324 <dt>depth</dt> 325 <dd>the image depth. </dd> 326 327 <dd> </dd> 328 <dt>exception</dt> 329 <dd>return any errors or warnings in this structure. </dd> 330 331 <dd> </dd> 332 </dl> 333 <h2><a href="http://www.imagemagick.org/api/MagickCore/attribute_8c.html" id="SetImageType">SetImageType</a></h2> 334 335 <p>SetImageType() sets the type of image. Choose from these types:</p> 336 337 <p>Bilevel Grayscale GrayscaleMatte Palette PaletteMatte TrueColor TrueColorMatte ColorSeparation ColorSeparationMatte OptimizeType</p> 338 339 <p>The format of the SetImageType method is:</p> 340 341 <pre class="text"> 342 MagickBooleanType SetImageType(Image *image,const ImageType type, 343 ExceptionInfo *exception) 344 </pre> 345 346 <p>A description of each parameter follows:</p> 347 348 <dd> 349 </dd> 350 351 <dd> </dd> 352 <dl class="dl-horizontal"> 353 <dt>image</dt> 354 <dd>the image. </dd> 355 356 <dd> </dd> 357 <dt>type</dt> 358 <dd>Image type. </dd> 359 360 <dd> </dd> 361 <dt>exception</dt> 362 <dd>return any errors or warnings in this structure. </dd> 363 364 <dd> </dd> 365 </dl> 366 </div> 367 <footer class="magick-footer"> 368 <p><a href="../support.html">Donate</a> 369 <a href="../sitemap.html">Sitemap</a> 370 <a href="../links.html">Related</a> 371 <a href="../architecture.html">Architecture</a> 372 </p> 373 <p><a href="attribute.html#">Back to top</a> 374 <a href="http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x89AB63D48277377A">Public Key</a> 375 <a href="http://www.imagemagick.org/script/contact.php">Contact Us</a></p> 376 <p><small> 1999-2016 ImageMagick Studio LLC</small></p> 377 </footer> 378 </div><!-- /.container --> 379 380 <script src="https://localhost/ajax/libs/jquery/1.11.3/jquery.min.js"></script> 381 <script src="../js/magick.html"></script> 382 </div> 383 </body> 384 </html> 385