1 2 3 4 5 <!DOCTYPE html> 6 <html lang="en"> 7 <head> 8 <title>ImageMagick: MagickCore, C API for ImageMagick: Draw on an Image</title> 9 <meta charset="utf-8" /> 10 <meta http-equiv="X-UA-Compatible" content="IE=edge" /> 11 <meta name="viewport" content="width=device-width, initial-scale=1" /> 12 <meta http-equiv="content-type" content="text/html; charset=utf-8"/> 13 <meta name="application-name" content="ImageMagick"/> 14 <meta name="description" content="ImageMagick is a software suite to create, edit, compose, or convert bitmap images. It can read and write images in a variety of formats (over 200) including PNG, JPEG, JPEG-2000, GIF, WebP, Postscript, PDF, and SVG. 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If NULL is specified, a new DrawInfo structure is created initialized to default values.</p> 74 75 <p>The format of the CloneDrawInfo method is:</p> 76 77 <pre class="text"> 78 DrawInfo *CloneDrawInfo(const ImageInfo *image_info, 79 const DrawInfo *draw_info) 80 </pre> 81 82 <p>A description of each parameter follows:</p> 83 84 <dd> 85 </dd> 86 87 <dd> </dd> 88 <dl class="dl-horizontal"> 89 <dt>image_info</dt> 90 <dd>the image info. </dd> 91 92 <dd> </dd> 93 <dt>draw_info</dt> 94 <dd>the draw info. </dd> 95 96 <dd> </dd> 97 </dl> 98 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw_8c.html" id="DestroyDrawInfo">DestroyDrawInfo</a></h2> 99 100 <p>DestroyDrawInfo() deallocates memory associated with an DrawInfo structure.</p> 101 102 <p>The format of the DestroyDrawInfo method is:</p> 103 104 <pre class="text"> 105 DrawInfo *DestroyDrawInfo(DrawInfo *draw_info) 106 </pre> 107 108 <p>A description of each parameter follows:</p> 109 110 <dd> 111 </dd> 112 113 <dd> </dd> 114 <dl class="dl-horizontal"> 115 <dt>draw_info</dt> 116 <dd>the draw info. </dd> 117 118 <dd> </dd> 119 </dl> 120 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw_8c.html" id="DrawAffineImage">DrawAffineImage</a></h2> 121 122 <p>DrawAffineImage() composites the source over the destination image as dictated by the affine transform.</p> 123 124 <p>The format of the DrawAffineImage method is:</p> 125 126 <pre class="text"> 127 MagickBooleanType DrawAffineImage(Image *image,const Image *source, 128 const AffineMatrix *affine,ExceptionInfo *exception) 129 </pre> 130 131 <p>A description of each parameter follows:</p> 132 133 <dd> 134 </dd> 135 136 <dd> </dd> 137 <dl class="dl-horizontal"> 138 <dt>image</dt> 139 <dd>the image. </dd> 140 141 <dd> </dd> 142 <dt>source</dt> 143 <dd>the source image. </dd> 144 145 <dd> </dd> 146 <dt>affine</dt> 147 <dd>the affine transform. </dd> 148 149 <dd> </dd> 150 <dt>exception</dt> 151 <dd>return any errors or warnings in this structure. </dd> 152 153 <dd> </dd> 154 </dl> 155 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw_8c.html" id="DrawClipPath">DrawClipPath</a></h2> 156 157 <p>DrawClipPath() draws the clip path on the image mask.</p> 158 159 <p>The format of the DrawClipPath method is:</p> 160 161 <pre class="text"> 162 MagickBooleanType DrawClipPath(Image *image,const DrawInfo *draw_info, 163 const char *name,ExceptionInfo *exception) 164 </pre> 165 166 <p>A description of each parameter follows:</p> 167 168 <dd> 169 </dd> 170 171 <dd> </dd> 172 <dl class="dl-horizontal"> 173 <dt>image</dt> 174 <dd>the image. </dd> 175 176 <dd> </dd> 177 <dt>draw_info</dt> 178 <dd>the draw info. </dd> 179 180 <dd> </dd> 181 <dt>name</dt> 182 <dd>the name of the clip path. </dd> 183 184 <dd> </dd> 185 <dt>exception</dt> 186 <dd>return any errors or warnings in this structure. </dd> 187 188 <dd> </dd> 189 </dl> 190 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw_8c.html" id="DrawImage">DrawImage</a></h2> 191 192 <p>DrawImage() draws a graphic primitive on your image. The primitive may be represented as a string or filename. Precede the filename with an "at" sign (@) and the contents of the file are drawn on the image. You can affect how text is drawn by setting one or more members of the draw info structure.</p> 193 194 <p>The format of the DrawImage method is:</p> 195 196 <pre class="text"> 197 MagickBooleanType DrawImage(Image *image,const DrawInfo *draw_info, 198 ExceptionInfo *exception) 199 </pre> 200 201 <p>A description of each parameter follows:</p> 202 203 <dd> 204 </dd> 205 206 <dd> </dd> 207 <dl class="dl-horizontal"> 208 <dt>image</dt> 209 <dd>the image. </dd> 210 211 <dd> </dd> 212 <dt>draw_info</dt> 213 <dd>the draw info. </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://www.imagemagick.org/api/MagickCore/draw_8c.html" id="DrawGradientImage">DrawGradientImage</a></h2> 222 223 <p>DrawGradientImage() draws a linear gradient on the image.</p> 224 225 <p>The format of the DrawGradientImage method is:</p> 226 227 <pre class="text"> 228 MagickBooleanType DrawGradientImage(Image *image, 229 const DrawInfo *draw_info,ExceptionInfo *exception) 230 </pre> 231 232 <p>A description of each parameter follows:</p> 233 234 <dd> 235 </dd> 236 237 <dd> </dd> 238 <dl class="dl-horizontal"> 239 <dt>image</dt> 240 <dd>the image. </dd> 241 242 <dd> </dd> 243 <dt>draw_info</dt> 244 <dd>the draw info. </dd> 245 246 <dd> </dd> 247 <dt>exception</dt> 248 <dd>return any errors or warnings in this structure. </dd> 249 250 <dd> </dd> 251 </dl> 252 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw_8c.html" id="DrawPatternPath">DrawPatternPath</a></h2> 253 254 <p>DrawPatternPath() draws a pattern.</p> 255 256 <p>The format of the DrawPatternPath method is:</p> 257 258 <pre class="text"> 259 MagickBooleanType DrawPatternPath(Image *image,const DrawInfo *draw_info, 260 const char *name,Image **pattern,ExceptionInfo *exception) 261 </pre> 262 263 <p>A description of each parameter follows:</p> 264 265 <dd> 266 </dd> 267 268 <dd> </dd> 269 <dl class="dl-horizontal"> 270 <dt>image</dt> 271 <dd>the image. </dd> 272 273 <dd> </dd> 274 <dt>draw_info</dt> 275 <dd>the draw info. </dd> 276 277 <dd> </dd> 278 <dt>name</dt> 279 <dd>the pattern name. </dd> 280 281 <dd> </dd> 282 <dt>image</dt> 283 <dd>the image. </dd> 284 285 <dd> </dd> 286 <dt>exception</dt> 287 <dd>return any errors or warnings in this structure. </dd> 288 289 <dd> </dd> 290 </dl> 291 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw_8c.html" id="DrawPrimitive">DrawPrimitive</a></h2> 292 293 <p>DrawPrimitive() draws a primitive (line, rectangle, ellipse) on the image.</p> 294 295 <p>The format of the DrawPrimitive method is:</p> 296 297 <pre class="text"> 298 MagickBooleanType DrawPrimitive(Image *image,const DrawInfo *draw_info, 299 PrimitiveInfo *primitive_info,ExceptionInfo *exception) 300 </pre> 301 302 <p>A description of each parameter follows:</p> 303 304 <dd> 305 </dd> 306 307 <dd> </dd> 308 <dl class="dl-horizontal"> 309 <dt>image</dt> 310 <dd>the image. </dd> 311 312 <dd> </dd> 313 <dt>draw_info</dt> 314 <dd>the draw info. </dd> 315 316 <dd> </dd> 317 <dt>primitive_info</dt> 318 <dd>Specifies a pointer to a PrimitiveInfo structure. </dd> 319 320 <dd> </dd> 321 <dt>exception</dt> 322 <dd>return any errors or warnings in this structure. </dd> 323 324 <dd> </dd> 325 </dl> 326 <h2><a href="http://www.imagemagick.org/api/MagickCore/draw_8c.html" id="GetAffineMatrix">GetAffineMatrix</a></h2> 327 328 <p>GetAffineMatrix() returns an AffineMatrix initialized to the identity matrix.</p> 329 330 <p>The format of the GetAffineMatrix method is:</p> 331 332 <pre class="text"> 333 void GetAffineMatrix(AffineMatrix *affine_matrix) 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>affine_matrix</dt> 344 <dd>the affine matrix. </dd> 345 346 <dd> </dd> 347 </dl> 348 </div> 349 <footer class="magick-footer"> 350 <p><a href="../support.html">Donate</a> 351 <a href="../sitemap.html">Sitemap</a> 352 <a href="../links.html">Related</a> 353 <a href="../architecture.html">Architecture</a> 354 </p> 355 <p><a href="draw.html#">Back to top</a> 356 <a href="http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x89AB63D48277377A">Public Key</a> 357 <a href="http://www.imagemagick.org/script/contact.php">Contact Us</a></p> 358 <p><small> 1999-2016 ImageMagick Studio LLC</small></p> 359 </footer> 360 </div><!-- /.container --> 361 362 <script src="https://localhost/ajax/libs/jquery/1.11.3/jquery.min.js"></script> 363 <script src="../js/magick.html"></script> 364 </div> 365 </body> 366 </html> 367