granicus.if.org Git - imagemagick/blob - wand/drawtest.c

   1 /*
   2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   3 %                                                                             %
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   6 %                         DDDD   RRRR    AAA   W   W                          %
   7 %                         D   D  R   R  A   A  W   W                          %
   8 %                         D   D  RRRR   AAAAA  W   W                          %
   9 %                         D   D  R R    A   A  W W W                          %
  10 %                         DDDD   R  R   A   A   W W                           %
  11 %                                                                             %
  12 %                         TTTTT  EEEEE  SSSSS  TTTTT                          %
  13 %                           T    E      SS       T                            %
  14 %                           T    EEE     SSS     T                            %
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  16 %                           T    EEEEE  SSSSS    T                            %
  17 %                                                                             %
  18 %                                                                             %
  19 %                         MagickWand Drawing Tests                            %
  20 %                                                                             %
  21 %                              Software Design                                %
  22 %                                John Cristy                                  %
  23 %                              Bob Friesenhahn                                %
  24 %                                March 2002                                   %
  25 %                                                                             %
  26 %                                                                             %
  27 %  Copyright 1999-2010 ImageMagick Studio LLC, a non-profit organization      %
  28 %  dedicated to making software imaging solutions freely available.           %
  29 %                                                                             %
  30 %  You may not use this file except in compliance with the License.  You may  %
  31 %  obtain a copy of the License at                                            %
  32 %                                                                             %
  33 %    http://www.imagemagick.org/script/license.php                            %
  34 %                                                                             %
  35 %  Unless required by applicable law or agreed to in writing, software        %
  36 %  distributed under the License is distributed on an "AS IS" BASIS,          %
  37 %  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   %
  38 %  See the License for the specific language governing permissions and        %
  39 %  limitations under the License.                                             %
  40 %                                                                             %
  41 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  42 %
  43 %
  44 %
  45 */
  46 \f
  47 #include <stdio.h>
  48 #include <stdlib.h>
  49 #include <wand/MagickWand.h>
  50
  51 #define ThrowWandException(wand) \
  52 { \
  53   char \
  54     *description; \
  55  \
  56   ExceptionType \
  57     severity; \
  58  \
  59   description=MagickGetException(wand,&severity); \
  60   (void) fprintf(stderr,"%s %s %lu %s\n",GetMagickModule(),description); \
  61   description=(char *) MagickRelinquishMemory(description); \
  62   exit(-1); \
  63 }
  64
  65 static MagickBooleanType ScribbleImage (MagickWand *canvas)
  66 {
  67   DrawingWand
  68     *picasso;
  69
  70   PixelWand
  71     *color;
  72
  73   picasso=NewDrawingWand();
  74   color=NewPixelWand();
  75   (void) PushDrawingWand(picasso);
  76   {
  77     DrawSetViewbox(picasso,0,0,MagickGetImageWidth(canvas),
  78       MagickGetImageHeight(canvas));
  79     DrawScale(picasso,1.101,1.08);
  80     DrawTranslate(picasso,-23.69,-22.97);
  81     DrawRotate(picasso,0);
  82     (void) PixelSetColor(color,"#ffffff");
  83     DrawSetFillColor(picasso,color);
  84     DrawRectangle(picasso,23.69,22.97,564.6,802.2);
  85     DrawSetFillOpacity(picasso,1.0);
  86     (void) PixelSetColor(color,"none");
  87     DrawSetFillColor(picasso,color);
  88     DrawSetStrokeColor(picasso,color);
  89     DrawSetStrokeAntialias(picasso,MagickTrue);
  90     DrawSetStrokeLineCap(picasso,RoundCap);
  91     DrawSetStrokeLineJoin(picasso,RoundJoin);
  92     DrawPushDefs(picasso);
  93     {
  94       DrawPushClipPath(picasso,"clip_1");
  95       {
  96         (void) PushDrawingWand(picasso);
  97         {
  98           DrawRectangle(picasso,0,0,595.3,841.9);
  99         }
 100         (void) PopDrawingWand(picasso);
 101       }
 102       DrawPopClipPath(picasso);
 103     }
 104     DrawPopDefs(picasso);
 105     (void) PushDrawingWand(picasso);
 106     {
 107       (void) DrawSetClipPath(picasso, "url(#clip_1)");
 108
 109       (void) PushDrawingWand(picasso);
 110       {
 111         DrawSetStrokeAntialias(picasso,MagickTrue);
 112         DrawSetStrokeWidth(picasso,4.032);
 113         DrawSetStrokeLineCap(picasso,RoundCap);
 114         DrawSetStrokeLineJoin(picasso,RoundJoin);
 115         (void) DrawSetStrokeDashArray(picasso,0,(const double *)NULL);
 116         (void) PixelSetColor(color,"#ff0000");
 117         DrawSetStrokeColor(picasso,color);
 118         DrawSetFillRule(picasso,EvenOddRule);
 119         (void) PixelSetColor(color,"#ff00ff");
 120         DrawSetFillColor(picasso,color);
 121         DrawRectangle(picasso,72,72,144,144);
 122       }
 123       (void) PopDrawingWand(picasso);
 124       (void) PushDrawingWand(picasso);
 125       {
 126         DrawSetStrokeAntialias(picasso,MagickTrue);
 127         DrawSetStrokeWidth(picasso,9);
 128         DrawSetStrokeLineCap(picasso,RoundCap);
 129         DrawSetStrokeLineJoin(picasso,RoundJoin);
 130         (void) DrawSetStrokeDashArray(picasso,0,(const double *)NULL);
 131         (void) PixelSetColor(color,"#00ff00");
 132         DrawSetStrokeColor(picasso,color);
 133         DrawSetFillRule(picasso,EvenOddRule);
 134         (void) PixelSetColor(color,"#0080ff");
 135         DrawSetFillColor(picasso,color);
 136         DrawRoundRectangle(picasso,72,216,360,432,9,9);
 137       }
 138       (void) PopDrawingWand(picasso);
 139       (void) PushDrawingWand(picasso);
 140       {
 141         const PointInfo points[37] =
 142         {
 143           { 378.1,81.72 }, { 381.1,79.56 }, { 384.3,78.12 }, { 387.6,77.33 },
 144           { 391.1,77.11 }, { 394.6,77.62 }, { 397.8,78.77 }, { 400.9,80.57 },
 145           { 403.6,83.02 }, { 523.9,216.8 }, { 526.2,219.7 }, { 527.6,223 },
 146           { 528.4,226.4 }, { 528.6,229.8 }, { 528,233.3 },   { 526.9,236.5 },
 147           { 525.1,239.5 }, { 522.6,242.2 }, { 495.9,266.3 }, { 493,268.5 },
 148           { 489.7,269.9 }, { 486.4,270.8 }, { 482.9,270.9 }, { 479.5,270.4 },
 149           { 476.2,269.3 }, { 473.2,267.5 }, { 470.4,265 },   { 350,131.2 },
 150           { 347.8,128.3 }, { 346.4,125.1 }, { 345.6,121.7 }, {345.4,118.2 },
 151           { 346,114.8 },   { 347.1,111.5 }, { 348.9,108.5 }, { 351.4,105.8 },
 152           { 378.1,81.72 }
 153         };
 154
 155         DrawSetStrokeAntialias(picasso,MagickTrue);
 156         DrawSetStrokeWidth(picasso,2.016);
 157         DrawSetStrokeLineCap(picasso,RoundCap);
 158         DrawSetStrokeLineJoin(picasso,RoundJoin);
 159         (void) DrawSetStrokeDashArray(picasso,0,(const double *)NULL);
 160         (void) PixelSetColor(color,"#000080");
 161         DrawSetStrokeColor(picasso,color);
 162         DrawSetFillRule(picasso,EvenOddRule);
 163         (void) PixelSetColor(color,"#c2c280");
 164         DrawSetFillColor(picasso,color);
 165         DrawPolygon(picasso,37,points);
 166       }
 167       (void) PopDrawingWand(picasso);
 168       (void) PushDrawingWand(picasso);
 169       {
 170         DrawSetStrokeAntialias(picasso,MagickTrue);
 171         DrawSetStrokeWidth(picasso,3.024);
 172         DrawSetStrokeLineCap(picasso,RoundCap);
 173         DrawSetStrokeLineJoin(picasso,RoundJoin);
 174         (void) DrawSetStrokeDashArray(picasso,0,(const double *)NULL);
 175         (void) PixelSetColor(color,"#000080");
 176         DrawSetStrokeColor(picasso,color);
 177         DrawSetFillRule(picasso,EvenOddRule);
 178         (void) PixelSetColor(color,"#000080");
 179         DrawSetFillColor(picasso,color);
 180         DrawEllipse(picasso,489.6,424.8,72,129.6,0,360);
 181       }
 182       (void) PopDrawingWand(picasso);
 183       (void) PushDrawingWand(picasso);
 184       {
 185         const PointInfo points[48] =
 186         {
 187           { 213.8,25.13},  { 216.7,24.48 }, {219.8,24.55 },  { 223.1,25.42 },
 188           { 226.7,27 },    { 230.3,29.3 },  { 234.1,32.26 }, { 237.9,35.86 },
 189           { 241.8,40.03 }, { 249.7,50.11 }, { 257.4,62.14 }, { 264.8,75.89 },
 190           { 271.6,91.15 }, { 277.3,106.8 }, { 281.6,121.8 }, { 284.4,135.9 },
 191           { 285.7,148.5 }, { 285.6,159.6 }, { 284.9,164.3 }, { 283.8,168.5 },
 192           { 282.5,172.1 }, { 280.7,175 },   { 278.5,177.3 }, { 275.9,178.7 },
 193           { 273,179.4 },   { 269.9,179.3 }, { 266.6,178.4 }, { 263.1,176.8 },
 194           { 259.5,174.5},  { 255.7,171.6 }, { 251.9,168 },   { 248,163.8 },
 195           { 244.1,159 },   { 240.1,153.7 }, { 232.3,141.7 }, { 225,127.9 },
 196           { 218.2,112.7 }, { 212.5,97.06 }, { 208.2,82.01 }, { 205.4,67.97 },
 197           { 204,55.3 },    { 204.3,44.35 }, { 204.9,39.6 },  { 205.9,35.42 },
 198           { 207.4,31.82 }, { 209.2,28.87 }, { 211.3,26.64},  { 213.8,25.13 }
 199         };
 200
 201         DrawSetStrokeAntialias(picasso,MagickTrue);
 202         DrawSetStrokeWidth(picasso,3.024);
 203         DrawSetStrokeLineCap(picasso,RoundCap);
 204         DrawSetStrokeLineJoin(picasso,RoundJoin);
 205         (void) DrawSetStrokeDashArray(picasso,0,(const double *)NULL);
 206         (void) PixelSetColor(color,"#ff8000");
 207         DrawSetStrokeColor(picasso,color);
 208         DrawSetFillRule(picasso,EvenOddRule);
 209         (void) PixelSetColor(color,"#00ffff");
 210         DrawSetFillColor(picasso,color);
 211         DrawPolygon(picasso,48,points);
 212       }
 213       (void) PopDrawingWand(picasso);
 214       (void) PushDrawingWand(picasso);
 215       {
 216         DrawSetStrokeAntialias(picasso,MagickTrue);
 217         DrawSetStrokeWidth(picasso,12.02);
 218         DrawSetStrokeLineCap(picasso,RoundCap);
 219         DrawSetStrokeLineJoin(picasso,RoundJoin);
 220         (void) DrawSetStrokeDashArray(picasso,0,(const double *)NULL);
 221         (void) PixelSetColor(color,"#4000c2");
 222         DrawSetStrokeColor(picasso,color);
 223         (void) PixelSetColor(color,"none");
 224         DrawSetFillColor(picasso,color);
 225         DrawArc(picasso,360,554.4,187.2,237.6,0,90);
 226       }
 227       (void) PopDrawingWand(picasso);
 228       (void) PushDrawingWand(picasso);
 229       {
 230         DrawSetStrokeAntialias(picasso,MagickTrue);
 231         DrawSetStrokeWidth(picasso,9);
 232         DrawSetStrokeLineCap(picasso,RoundCap);
 233         DrawSetStrokeLineJoin(picasso,RoundJoin);
 234         (void) DrawSetStrokeDashArray(picasso,0,(const double *)NULL);
 235         (void) PixelSetColor(color,"#4000c2");
 236         DrawSetStrokeColor(picasso,color);
 237         DrawSetFillRule(picasso,EvenOddRule);
 238         (void) PixelSetColor(color,"#4000c2");
 239         DrawSetFillColor(picasso,color);
 240         DrawEllipse(picasso,388.8,626.4,100.8,122.4,0,90);
 241       }
 242       (void) PopDrawingWand(picasso);
 243       (void) PushDrawingWand(picasso);
 244       {
 245         const PointInfo points[6] =
 246         {
 247           { 180,504 }, { 282.7,578.6 }, { 243.5,699.4 }, { 116.5,699.4 },
 248           { 77.26,578.6 }, { 180,504 }
 249         };
 250
 251         DrawSetStrokeAntialias(picasso,MagickTrue);
 252         DrawSetStrokeWidth(picasso,9);
 253         DrawSetStrokeLineCap(picasso,RoundCap);
 254         DrawSetStrokeLineJoin(picasso,RoundJoin);
 255         (void) DrawSetStrokeDashArray(picasso,0,(const double *)NULL);
 256         (void) PixelSetColor(color,"#4000c2");
 257         DrawSetStrokeColor(picasso,color);
 258         DrawSetFillRule(picasso,EvenOddRule);
 259         (void) PixelSetColor(color,"#800000");
 260         DrawSetFillColor(picasso,color);
 261         DrawPolygon(picasso,6,points);
 262       }
 263       (void) PopDrawingWand(picasso);
 264       (void) PushDrawingWand(picasso);
 265       {
 266         const PointInfo points[11] =
 267         {
 268           { 180,504 },     { 211.8,568.3 }, { 282.7,578.6 }, { 231.3,628.7 },
 269           { 243.5,699.4 }, { 180,666 },     { 116.5,699.4 }, { 128.7,628.7 },
 270           { 77.26,578.6 }, { 148.2,568.3 }, { 180,504 }
 271         };
 272
 273         DrawSetStrokeAntialias(picasso,MagickTrue);
 274         DrawSetStrokeWidth(picasso,9);
 275         DrawSetStrokeLineCap(picasso,RoundCap);
 276         DrawSetStrokeLineJoin(picasso,RoundJoin);
 277         (void) DrawSetStrokeDashArray(picasso,0,(const double *)NULL);
 278         (void) PixelSetColor(color,"#4000c2");
 279         DrawSetStrokeColor(picasso,color);
 280         DrawSetFillRule(picasso,EvenOddRule);
 281         (void) PixelSetColor(color,"#800000");
 282         DrawSetFillColor(picasso,color);
 283         DrawPolygon(picasso,11,points);
 284       }
 285       (void) PopDrawingWand(picasso);
 286       (void) PushDrawingWand(picasso);
 287       {
 288         const PointInfo points[15] =
 289         {
 290           { 540,288 },     { 561.6,216 },   { 547.2,43.2 },  { 280.8,36 },
 291           { 302.4,194.4 }, { 331.2,64.8 },  { 504,64.8 },    { 475.2,115.2 },
 292           { 525.6,93.6 },  { 496.8,158.4 }, { 532.8,136.8 }, { 518.4,180 },
 293           { 540,172.8 },   { 540,223.2 },   { 540,288 }
 294         };
 295
 296         DrawSetStrokeAntialias(picasso,MagickTrue);
 297         DrawSetStrokeWidth(picasso,5.976);
 298         DrawSetStrokeLineCap(picasso,RoundCap);
 299         DrawSetStrokeLineJoin(picasso,RoundJoin);
 300         (void) DrawSetStrokeDashArray(picasso,0,(const double *)NULL);
 301         (void) PixelSetColor(color,"#4000c2");
 302         DrawSetStrokeColor(picasso,color);
 303         DrawSetFillRule(picasso,EvenOddRule);
 304         (void) PixelSetColor(color,"#ffff00");
 305         DrawSetFillColor(picasso,color);
 306         DrawPolygon(picasso,15,points);
 307       }
 308       (void) PopDrawingWand(picasso);
 309       (void) PushDrawingWand(picasso);
 310       {
 311         const PointInfo points[7] =
 312         {
 313           { 57.6,640.8 }, { 57.6,784.8 }, { 194.4,799.2 }, { 259.2,777.6 },
 314           { 151.2,756 }, { 86.4,748.8 }, { 57.6,640.8 }
 315         };
 316
 317         DrawSetStrokeAntialias(picasso,MagickTrue);
 318         DrawSetStrokeWidth(picasso,5.976);
 319         DrawSetStrokeLineCap(picasso,RoundCap);
 320         DrawSetStrokeLineJoin(picasso,RoundJoin);
 321         (void) DrawSetStrokeDashArray(picasso,0,(const double *)NULL);
 322         (void) PixelSetColor(color,"#4000c2");
 323         DrawSetStrokeColor(picasso,color);
 324         DrawSetFillRule(picasso,EvenOddRule);
 325         (void) PixelSetColor(color,"#ffff00");
 326         DrawSetFillColor(picasso,color);
 327         DrawPolygon(picasso,7,points);
 328       }
 329       (void) PopDrawingWand(picasso);
 330       (void) PushDrawingWand(picasso);
 331       {
 332         const PointInfo points[193] =
 333         {
 334           { 27.86,565.3 }, { 29.66,550.8 }, { 31.97,538.1 }, { 34.85,527.1 },
 335           { 38.09,517.7 }, { 41.83,509.8 }, { 45.86,503.1 }, { 50.33,497.6 },
 336           { 55.08,493.2 }, { 60.19,489.8 }, { 65.45,487.3 }, { 70.92,485.4 },
 337           { 76.61,484.2 }, { 88.42,483 },   { 100.4,482.9 }, { 108.4,482.2 },
 338           { 119.8,480.3 }, { 150.8,474.1 }, { 189.4,466.6 }, { 210.3,463 },
 339           { 231.5,459.9 }, { 252.4,457.8 }, { 272.7,456.6 }, { 291.8,456.9 },
 340           { 300.7,457.7 }, { 309.1,458.9 }, { 316.9,460.6 }, { 324.1,462.8 },
 341           { 330.7,465.6 }, { 336.4,469 },   { 341.3,473 },   { 345.3,477.7 },
 342           { 348.4,483.1 }, { 350.4,489.2},  { 352.4,495.4 }, { 355.2,500.9 },
 343           { 358.8,505.8 }, { 363,510 },     { 367.8,513.6 }, { 373,516.8 },
 344           { 378.6,519.6 }, { 384.3,521.8 }, { 396.4,525.4 }, { 408.2,527.9 },
 345           { 428,531.2 },   { 434.6,532.9 }, { 436.7,533.8 }, { 437.8,534.9 },
 346           { 437.8,536.2 }, { 436.8,537.8 }, { 434.5,539.6 }, { 430.9,541.8 },
 347           { 419.3,547.6 }, { 401.3,555.2 }, { 342.4,577.9 }, {325.2,584.9 },
 348           { 311,591.3 },   { 300,597.3 },   { 291.6,602.8 }, { 285.8,607.8 },
 349           { 282.3,612.3 }, { 281.4,614.4 }, { 280.9,616.2 }, { 281.2,619.6 },
 350           { 282.1,621.2 }, { 283.3,622.6 }, { 286.8,624.9 }, { 291.5,626.6 },
 351           { 297.1,627.8 }, { 303.6,628.3 }, { 310.5,628.3 }, { 317.9,627.6 },
 352           { 325.2,626.3 }, { 332.6,624.3 }, { 339.5,621.7 }, { 345.9,618.4 },
 353           { 351.4,614.4 }, { 353.9,612.2 }, { 356,609.8 }, { 357.9,607.1 },
 354           { 359.4,604.3 }, { 360.6,601.3 }, { 361.4,598.2 }, { 361.7,594.9 },
 355           { 361.7,591.3 }, { 361.2,587.7 }, { 360.1,583.7 }, { 358.6,579.7 },
 356           { 356.4,575.4 }, { 353.7,570.9 }, { 350.4,566.2 }, { 346.4,561.3 },
 357           { 341.8,556.2 }, { 336.5,550.9 }, { 330.6,545.5 }, { 323.8,539.8 },
 358           { 316.2,533.9 }, { 298.7,521.5 }, { 277.8,508.2 }, { 256.1,495.5 },
 359           { 236,484.5 },   { 217.7,475.1 }, { 200.8,467.1 }, { 185.6,460.7 },
 360           { 171.9,455.5 }, { 159.6,451.6 }, { 148.6,448.8 }, { 139,447 },
 361           { 130.5,446.2 }, { 123.3,446.2 }, { 117.1,446.9 }, { 112,448.3 },
 362           { 107.9,450.2 }, { 104.8,452.5 }, { 102.5,455.2 }, { 101,458.1 },
 363           { 100.2,461.2 }, { 100.2,464.3 }, { 100.7,467.4 }, { 101.8,470.3 },
 364           { 103.4,473 },   { 105.4,475.3 }, { 107.8,477.1 }, { 110.5,478.4 },
 365           { 113.4,479.1 }, { 116.5,478.9 }, { 119.7,478 },   { 123,476.2 },
 366           { 126.4,473.3 }, { 129.6,469.2 }, { 132.7,463.9 }, { 135.2,458.4 },
 367           { 136.6,453.7 }, { 137,449.9 },   { 136.6,446.8 }, { 135.4,444.5 },
 368           { 133.3,442.9 }, { 130.8,441.9 }, { 127.5,441.4 }, { 123.9,441.6 },
 369           { 119.8,442.3 }, { 110.7,445.1 }, { 101.1,449.5 }, { 91.37,455.2 },
 370           { 82.37,461.9 }, { 74.66,469.2 }, { 71.57,473 },   { 68.98,476.8 },
 371           { 67.03,480.7 }, { 65.81,484.4 }, { 65.45,488.2 }, { 65.95,491.7 },
 372           { 67.46,495.1 }, { 69.98,498.3 }, { 73.66,501.3 }, { 78.55,503.9 },
 373           { 84.82,506.3 }, { 92.38,508.2 }, { 107.1,511.6 }, { 118.2,514.8 },
 374           { 125.9,517.8 }, { 130.7,520.4 }, { 132.1,521.7 }, { 132.8,522.9 },
 375           { 133,524.2 },   { 132.6,525.3 }, { 131.8,526.5 }, { 130.5,527.5 },
 376           { 126.6,529.6 }, { 121.5,531.7 }, { 115.3,533.7 }, { 101.4,537.6 },
 377           { 87.55,541.8 }, { 81.36,544 },   { 76.25,546.3 }, { 71.64,549.5 },
 378           { 66.89,554.1 }, { 62.14,559.8 }, { 57.38,566.1 }, { 48.17,579.6 },
 379           { 39.96,591.4 }, { 36.43,595.9 }, { 34.78,597.6 }, { 33.26,598.8 },
 380           { 31.9,599.6 },  { 30.67,599.9 }, { 29.59,599.7 }, { 28.66,598.8 },
 381           { 27.86,597.4 }, { 27.29,595.2 }, { 26.64,588.7 }, { 26.86,578.8 },
 382           { 27.86,565.3 }
 383         };
 384
 385         DrawSetStrokeAntialias(picasso,MagickTrue);
 386         DrawSetStrokeWidth(picasso,5.904);
 387         DrawSetStrokeLineCap(picasso,RoundCap);
 388         DrawSetStrokeLineJoin(picasso,RoundJoin);
 389         (void) DrawSetStrokeDashArray(picasso,0,(const double *)NULL);
 390         (void) PixelSetColor(color,"#4000c2");
 391         DrawSetStrokeColor(picasso,color);
 392         DrawSetFillRule(picasso,EvenOddRule);
 393         (void) PixelSetColor(color,"#ffff00");
 394         DrawSetFillColor(picasso,color);
 395         DrawPolygon(picasso,193,points);
 396       }
 397       (void) PopDrawingWand(picasso);
 398     }
 399     (void) PopDrawingWand(picasso);
 400   }
 401   (void) PopDrawingWand(picasso);
 402   (void) MagickDrawImage(canvas,picasso);
 403   color=DestroyPixelWand(color);
 404   picasso=DestroyDrawingWand(picasso);
 405   return(MagickTrue);
 406 }
 407
 408 int main(int argc,char **argv)
 409 {
 410   char
 411     filename[MaxTextExtent];
 412
 413   MagickBooleanType
 414     status;
 415
 416   MagickWand
 417     *canvas;
 418
 419   if (argc != 2)
 420     {
 421       (void) printf ("Usage: %s filename\n",argv[0]);
 422       exit(1);
 423     }
 424   (void) CopyMagickString(filename,argv[1],MaxTextExtent);
 425   /*
 426     Create canvas image.
 427   */
 428   MagickWandGenesis();
 429   canvas=NewMagickWand();
 430   status=MagickSetSize(canvas,596,842);
 431   if (status == MagickFalse)
 432     ThrowWandException(canvas);
 433   status=MagickReadImage(canvas,"xc:white");
 434   if (status == MagickFalse)
 435     ThrowWandException(canvas);
 436   /*
 437     Scribble on image.
 438   */
 439   status=ScribbleImage(canvas);
 440   if (status == MagickFalse)
 441     ThrowWandException(canvas);
 442   /*
 443     Set pixel depth to 8.
 444   */
 445   status=MagickSetImageDepth(canvas,8);
 446   if (status == MagickFalse)
 447     ThrowWandException(canvas);
 448   /*
 449     Set RLE compression.
 450   */
 451   status=MagickSetImageCompression(canvas,RLECompression);
 452   if (status == MagickFalse)
 453     ThrowWandException(canvas);
 454   /*
 455     Save image to file.
 456   */
 457   status=MagickWriteImage(canvas,filename);
 458   if (status == MagickFalse)
 459     ThrowWandException(canvas);
 460   canvas=DestroyMagickWand(canvas);
 461   MagickWandTerminus();
 462   return(0);
 463 }