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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"> 68size_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"> 94size_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"> 123ImageType 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"> 145ImageType 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"> 171MagickBooleanType 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"> 206ImageType 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"> 232MagickBooleanType 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"> 254MagickBooleanType 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"> 278MagickBooleanType 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"> 305MagickBooleanType 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"> 342MagickBooleanType 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
