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40 </script> 41 <nav class="magick-nav"> 42 <a class="magick-nav-item " href="../index.php">Home</a> 43 <a class="magick-nav-item " href="../script/binary-releases.php">Download</a> 44 <a class="magick-nav-item " href="../script/command-line-tools.php">Tools</a> 45 <a class="magick-nav-item " href="../script/command-line-options.php">Options</a> 46 <a class="magick-nav-item " href="../script/resources.php">Resources</a> 47 <a class="magick-nav-item " href="../script/api.php">Develop</a> 48 <a class="magick-nav-item " href="../script/search.php">Search</a> 49 <a class="magick-nav-item pull-right" href="http://www.imagemagick.org/discourse-server/">Community</a> 50 </nav> 51 </div> 52 </div> 53 <div class="container"> 54 <div class="magick-header"> 55 <p class="text-center"><a href="attribute.php#GetImageDepth">GetImageDepth</a> • <a href="attribute.php#GetImageQuantumDepth">GetImageQuantumDepth</a> • <a href="attribute.php#GetImageType">GetImageType</a> • <a href="attribute.php#IdentifyImageGray">IdentifyImageGray</a> • <a href="attribute.php#IdentifyImageMonochrome">IdentifyImageMonochrome</a> • <a href="attribute.php#IdentifyImageType">IdentifyImageType</a> • <a href="attribute.php#IsImageGray">IsImageGray</a> • <a href="attribute.php#IsImageMonochrome">IsImageMonochrome</a> • <a href="attribute.php#IsImageOpaque">IsImageOpaque</a> • <a href="attribute.php#SetImageDepth">SetImageDepth</a> • <a href="attribute.php#SetImageType">SetImageType</a></p> 56 57 <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/attribute_8c.html" id="GetImageDepth">GetImageDepth</a></h2> 58 59 <p>GetImageDepth() returns the depth of a particular image channel.</p> 60 61 <p>The format of the GetImageDepth method is:</p> 62 63 <pre class="text"> 64 size_t GetImageDepth(const Image *image,ExceptionInfo *exception) 65 </pre> 66 67 <p>A description of each parameter follows:</p> 68 69 <dd> 70 </dd> 71 72 <dd> </dd> 73 <dl class="dl-horizontal"> 74 <dt>image</dt> 75 <dd>the image. </dd> 76 77 <dd> </dd> 78 <dt>exception</dt> 79 <dd>return any errors or warnings in this structure. </dd> 80 81 <dd> </dd> 82 </dl> 83 <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/attribute_8c.html" id="GetImageQuantumDepth">GetImageQuantumDepth</a></h2> 84 85 <p>GetImageQuantumDepth() returns the depth of the image rounded to a legal quantum depth: 8, 16, or 32.</p> 86 87 <p>The format of the GetImageQuantumDepth method is:</p> 88 89 <pre class="text"> 90 size_t GetImageQuantumDepth(const Image *image, 91 const MagickBooleanType constrain) 92 </pre> 93 94 <p>A description of each parameter follows:</p> 95 96 <dd> 97 </dd> 98 99 <dd> </dd> 100 <dl class="dl-horizontal"> 101 <dt>image</dt> 102 <dd>the image. </dd> 103 104 <dd> </dd> 105 <dt>constrain</dt> 106 <dd>A value other than MagickFalse, constrains the depth to a maximum of MAGICKCORE_QUANTUM_DEPTH. </dd> 107 108 <dd> </dd> 109 </dl> 110 <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/attribute_8c.html" id="GetImageType">GetImageType</a></h2> 111 112 <p>GetImageType() returns the type of image:</p> 113 114 <p>Bilevel Grayscale GrayscaleMatte Palette PaletteMatte TrueColor TrueColorMatte ColorSeparation ColorSeparationMatte</p> 115 116 <p>The format of the GetImageType method is:</p> 117 118 <pre class="text"> 119 ImageType GetImageType(const Image *image) 120 </pre> 121 122 <p>A description of each parameter follows:</p> 123 124 <dd> 125 </dd> 126 127 <dd> </dd> 128 <dl class="dl-horizontal"> 129 <dt>image</dt> 130 <dd>the image. </dd> 131 132 <dd> </dd> 133 </dl> 134 <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/attribute_8c.html" id="IdentifyImageGray">IdentifyImageGray</a></h2> 135 136 <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> 137 138 <p>The format of the IdentifyImageGray method is:</p> 139 140 <pre class="text"> 141 ImageType IdentifyImageGray(const Image *image,ExceptionInfo *exception) 142 </pre> 143 144 <p>A description of each parameter follows:</p> 145 146 <dd> 147 </dd> 148 149 <dd> </dd> 150 <dl class="dl-horizontal"> 151 <dt>image</dt> 152 <dd>the image. </dd> 153 154 <dd> </dd> 155 <dt>exception</dt> 156 <dd>return any errors or warnings in this structure. </dd> 157 158 <dd> </dd> 159 </dl> 160 <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/attribute_8c.html" id="IdentifyImageMonochrome">IdentifyImageMonochrome</a></h2> 161 162 <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> 163 164 <p>The format of the IdentifyImageMonochrome method is:</p> 165 166 <pre class="text"> 167 MagickBooleanType IdentifyImageMonochrome(const Image *image, 168 ExceptionInfo *exception) 169 </pre> 170 171 <p>A description of each parameter follows:</p> 172 173 <dd> 174 </dd> 175 176 <dd> </dd> 177 <dl class="dl-horizontal"> 178 <dt>image</dt> 179 <dd>the image. </dd> 180 181 <dd> </dd> 182 <dt>exception</dt> 183 <dd>return any errors or warnings in this structure. </dd> 184 185 <dd> </dd> 186 </dl> 187 <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/attribute_8c.html" id="IdentifyImageType">IdentifyImageType</a></h2> 188 189 <p>IdentifyImageType() returns the potential type of image:</p> 190 191 <p>Bilevel Grayscale GrayscaleMatte Palette PaletteMatte TrueColor TrueColorMatte ColorSeparation ColorSeparationMatte</p> 192 193 <p>To ensure the image type matches its potential, use SetImageType():</p> 194 195 <pre class="text"> 196 (void) SetImageType(image,IdentifyImageType(image,exception),exception); 197 </pre> 198 199 <p>The format of the IdentifyImageType method is:</p> 200 201 <pre class="text"> 202 ImageType IdentifyImageType(const Image *image,ExceptionInfo *exception) 203 </pre> 204 205 <p>A description of each parameter follows:</p> 206 207 <dd> 208 </dd> 209 210 <dd> </dd> 211 <dl class="dl-horizontal"> 212 <dt>image</dt> 213 <dd>the image. </dd> 214 215 <dd> </dd> 216 <dt>exception</dt> 217 <dd>return any errors or warnings in this structure. </dd> 218 219 <dd> </dd> 220 </dl> 221 <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/attribute_8c.html" id="IsImageGray">IsImageGray</a></h2> 222 223 <p>IsImageGray() returns MagickTrue if the type of the image is grayscale or bi-level.</p> 224 225 <p>The format of the IsImageGray method is:</p> 226 227 <pre class="text"> 228 MagickBooleanType IsImageGray(const Image *image) 229 </pre> 230 231 <p>A description of each parameter follows:</p> 232 233 <dd> 234 </dd> 235 236 <dd> </dd> 237 <dl class="dl-horizontal"> 238 <dt>image</dt> 239 <dd>the image. </dd> 240 241 <dd> </dd> 242 </dl> 243 <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/attribute_8c.html" id="IsImageMonochrome">IsImageMonochrome</a></h2> 244 245 <p>IsImageMonochrome() returns MagickTrue if type of the image is bi-level.</p> 246 247 <p>The format of the IsImageMonochrome method is:</p> 248 249 <pre class="text"> 250 MagickBooleanType IsImageMonochrome(const Image *image) 251 </pre> 252 253 <p>A description of each parameter follows:</p> 254 255 <dd> 256 </dd> 257 258 <dd> </dd> 259 <dl class="dl-horizontal"> 260 <dt>image</dt> 261 <dd>the image. </dd> 262 263 <dd> </dd> 264 </dl> 265 <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/attribute_8c.html" id="IsImageOpaque">IsImageOpaque</a></h2> 266 267 <p>IsImageOpaque() returns MagickTrue if none of the pixels in the image have an alpha value other than OpaqueAlpha (QuantumRange).</p> 268 269 <p>Will return true immediatally is alpha channel is not available.</p> 270 271 <p>The format of the IsImageOpaque method is:</p> 272 273 <pre class="text"> 274 MagickBooleanType IsImageOpaque(const Image *image, 275 ExceptionInfo *exception) 276 </pre> 277 278 <p>A description of each parameter follows:</p> 279 280 <dd> 281 </dd> 282 283 <dd> </dd> 284 <dl class="dl-horizontal"> 285 <dt>image</dt> 286 <dd>the image. </dd> 287 288 <dd> </dd> 289 <dt>exception</dt> 290 <dd>return any errors or warnings in this structure. </dd> 291 292 <dd> </dd> 293 </dl> 294 <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/attribute_8c.html" id="SetImageDepth">SetImageDepth</a></h2> 295 296 <p>SetImageDepth() sets the depth of the image.</p> 297 298 <p>The format of the SetImageDepth method is:</p> 299 300 <pre class="text"> 301 MagickBooleanType SetImageDepth(Image *image,const size_t depth, 302 ExceptionInfo *exception) 303 </pre> 304 305 <p>A description of each parameter follows:</p> 306 307 <dd> 308 </dd> 309 310 <dd> </dd> 311 <dl class="dl-horizontal"> 312 <dt>image</dt> 313 <dd>the image. </dd> 314 315 <dd> </dd> 316 <dt>channel</dt> 317 <dd>the channel. </dd> 318 319 <dd> </dd> 320 <dt>depth</dt> 321 <dd>the image depth. </dd> 322 323 <dd> </dd> 324 <dt>exception</dt> 325 <dd>return any errors or warnings in this structure. </dd> 326 327 <dd> </dd> 328 </dl> 329 <h2><a href="http://nextgen.imagemagick.org/api/MagickCore/attribute_8c.html" id="SetImageType">SetImageType</a></h2> 330 331 <p>SetImageType() sets the type of image. Choose from these types:</p> 332 333 <p>Bilevel Grayscale GrayscaleMatte Palette PaletteMatte TrueColor TrueColorMatte ColorSeparation ColorSeparationMatte OptimizeType</p> 334 335 <p>The format of the SetImageType method is:</p> 336 337 <pre class="text"> 338 MagickBooleanType SetImageType(Image *image,const ImageType type, 339 ExceptionInfo *exception) 340 </pre> 341 342 <p>A description of each parameter follows:</p> 343 344 <dd> 345 </dd> 346 347 <dd> </dd> 348 <dl class="dl-horizontal"> 349 <dt>image</dt> 350 <dd>the image. </dd> 351 352 <dd> </dd> 353 <dt>type</dt> 354 <dd>Image type. </dd> 355 356 <dd> </dd> 357 <dt>exception</dt> 358 <dd>return any errors or warnings in this structure. </dd> 359 360 <dd> </dd> 361 </dl> 362 </div> 363 <footer class="magick-footer"> 364 <p><a href="../script/support.php">Donate</a> 365 <a href="../script/sitemap.php">Sitemap</a> 366 <a href="../script/links.php">Related</a> 367 <a href="../script/architecture.php">Architecture</a> 368 </p> 369 <p><a href="attribute.php#">Back to top</a> 370 <a href="http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x89AB63D48277377A">Public Key</a> 371 <a href="../script/contact.php">Contact Us</a></p> 372 <p><small> 1999-2016 ImageMagick Studio LLC</small></p> 373 </footer> 374 </div><!-- /.container --> 375 376 <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script> 377 <script src="http://nextgen.imagemagick.org/js/magick.php"></script> 378 </div> 379 </body> 380 </html> 381
