Plan 9 from Bell Labs’s /usr/web/sources/contrib/fgb/root/sys/src/cmd/magick/wand/drawtest.c

Copyright © 2021 Plan 9 Foundation.
Distributed under the MIT License.
Download the Plan 9 distribution.


/*
 *
 * Test program for C drawing API
 * Written by Bob Friesenhahn
 *
 */

#if !defined(_VISUALC_)
#include <wand/wand-config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#if defined(_VISUALC_)
#include <stdlib.h>
#include <sys\types.h>
#endif
#include <time.h>
#include <wand/MagickWand.h>

static void ScribbleImage (Image *image)
{
  DrawingWand
    *draw_wand;

  PixelWand
    *color;

  draw_wand=DrawAllocateWand((DrawInfo*) NULL,image);
  color=NewPixelWand();
  (void) PushDrawingWand(draw_wand);
  {
    DrawSetViewbox(draw_wand,0,0,image->columns,image->rows);
    DrawScale(draw_wand,1.101,1.08);
    DrawTranslate(draw_wand,-23.69,-22.97);
    DrawRotate(draw_wand,0);
    (void) PixelSetColor(color,"#ffffff");
    DrawSetFillColor(draw_wand,color);
    DrawRectangle(draw_wand,23.69,22.97,564.6,802.2);
    DrawSetFillAlpha(draw_wand,1.0);
    (void) PixelSetColor(color,"none");
    DrawSetFillColor(draw_wand,color);
    DrawSetStrokeColor(draw_wand,color);

    DrawSetStrokeAntialias(draw_wand,MagickTrue);
    DrawSetStrokeLineCap(draw_wand,RoundCap);
    DrawSetStrokeLineJoin(draw_wand,RoundJoin);

    DrawPushDefs(draw_wand);
    {
      DrawPushClipPath(draw_wand,"clip_1");
      {
        (void) PushDrawingWand(draw_wand);
        {
          DrawRectangle(draw_wand,0,0,595.3,841.9);
        }
        (void) PopDrawingWand(draw_wand);
      }
      DrawPopClipPath(draw_wand);
    }
    DrawPopDefs(draw_wand);
    
    (void) PushDrawingWand(draw_wand);
    {
      (void) DrawSetClipPath(draw_wand, "url(#clip_1)");
      
      (void) PushDrawingWand(draw_wand);
      {
        DrawSetStrokeAntialias(draw_wand,MagickTrue);
        DrawSetStrokeWidth(draw_wand,4.032);
        DrawSetStrokeLineCap(draw_wand,RoundCap);
        DrawSetStrokeLineJoin(draw_wand,RoundJoin);
        (void) DrawSetStrokeDashArray(draw_wand,0,(const double *)NULL);
        (void) PixelSetColor(color,"#ff0000");
        DrawSetStrokeColor(draw_wand,color);
        DrawSetFillRule(draw_wand,EvenOddRule);
        (void) PixelSetColor(color,"#ff00ff");
        DrawSetFillColor(draw_wand,color);
        DrawRectangle(draw_wand,72,72,144,144);
      }
      (void) PopDrawingWand(draw_wand);
      
      (void) PushDrawingWand(draw_wand);
      {
        DrawSetStrokeAntialias(draw_wand,MagickTrue);
        DrawSetStrokeWidth(draw_wand,9);
        DrawSetStrokeLineCap(draw_wand,RoundCap);
        DrawSetStrokeLineJoin(draw_wand,RoundJoin);
        (void) DrawSetStrokeDashArray(draw_wand,0,(const double *)NULL);
        (void) PixelSetColor(color,"#00ff00");
        DrawSetStrokeColor(draw_wand,color);
        DrawSetFillRule(draw_wand,EvenOddRule);
        (void) PixelSetColor(color,"#0080ff");
        DrawSetFillColor(draw_wand,color);
        DrawRoundRectangle(draw_wand,72,216,360,432,9,9);
      }
      (void) PopDrawingWand(draw_wand);
      
      (void) PushDrawingWand(draw_wand);
      {
        const PointInfo points[37] =
        {
          { 378.1,81.72 }, { 381.1,79.56 }, { 384.3,78.12 }, { 387.6,77.33 },
          { 391.1,77.11 }, { 394.6,77.62 }, { 397.8,78.77 }, { 400.9,80.57 },
          { 403.6,83.02 }, { 523.9,216.8 }, { 526.2,219.7 }, { 527.6,223 },
          { 528.4,226.4 }, { 528.6,229.8 }, { 528,233.3 },   { 526.9,236.5 },
          { 525.1,239.5 }, { 522.6,242.2 }, { 495.9,266.3 }, { 493,268.5 },
          { 489.7,269.9 }, { 486.4,270.8 }, { 482.9,270.9 }, { 479.5,270.4 },
          { 476.2,269.3 }, { 473.2,267.5 }, { 470.4,265 },   { 350,131.2 },
          { 347.8,128.3 }, { 346.4,125.1 }, { 345.6,121.7 }, {345.4,118.2 },
          { 346,114.8 },   { 347.1,111.5 }, { 348.9,108.5 }, { 351.4,105.8 },
          { 378.1,81.72 }
        };
        
        DrawSetStrokeAntialias(draw_wand,MagickTrue);
        DrawSetStrokeWidth(draw_wand,2.016);
        DrawSetStrokeLineCap(draw_wand,RoundCap);
        DrawSetStrokeLineJoin(draw_wand,RoundJoin);
        (void) DrawSetStrokeDashArray(draw_wand,0,(const double *)NULL);
        (void) PixelSetColor(color,"#000080");
        DrawSetStrokeColor(draw_wand,color);
        DrawSetFillRule(draw_wand,EvenOddRule);
        (void) PixelSetColor(color,"#c2c280");
        DrawSetFillColor(draw_wand,color);
        DrawPolygon(draw_wand,37,points);
      }
      (void) PopDrawingWand(draw_wand);
      
      (void) PushDrawingWand(draw_wand);
      {
        DrawSetStrokeAntialias(draw_wand,MagickTrue);
        DrawSetStrokeWidth(draw_wand,3.024);
        DrawSetStrokeLineCap(draw_wand,RoundCap);
        DrawSetStrokeLineJoin(draw_wand,RoundJoin);
        (void) DrawSetStrokeDashArray(draw_wand,0,(const double *)NULL);
        (void) PixelSetColor(color,"#000080");
        DrawSetStrokeColor(draw_wand,color);
        DrawSetFillRule(draw_wand,EvenOddRule);
        (void) PixelSetColor(color,"#000080");
        DrawSetFillColor(draw_wand,color);
        DrawEllipse(draw_wand,489.6,424.8,72,129.6,0,360);
      }
      (void) PopDrawingWand(draw_wand);
      
      (void) PushDrawingWand(draw_wand);
      {
        const PointInfo points[48] =
        {
          { 213.8,25.13},  { 216.7,24.48 }, {219.8,24.55 },  { 223.1,25.42 },
          { 226.7,27 },    { 230.3,29.3 },  { 234.1,32.26 }, { 237.9,35.86 },
          { 241.8,40.03 }, { 249.7,50.11 }, { 257.4,62.14 }, { 264.8,75.89 },
          { 271.6,91.15 }, { 277.3,106.8 }, { 281.6,121.8 }, { 284.4,135.9 },
          { 285.7,148.5 }, { 285.6,159.6 }, { 284.9,164.3 }, { 283.8,168.5 },
          { 282.5,172.1 }, { 280.7,175 },   { 278.5,177.3 }, { 275.9,178.7 },
          { 273,179.4 },   { 269.9,179.3 }, { 266.6,178.4 }, { 263.1,176.8 },
          { 259.5,174.5},  { 255.7,171.6 }, { 251.9,168 },   { 248,163.8 },
          { 244.1,159 },   { 240.1,153.7 }, { 232.3,141.7 }, { 225,127.9 },
          { 218.2,112.7 }, { 212.5,97.06 }, { 208.2,82.01 }, { 205.4,67.97 },
          { 204,55.3 },    { 204.3,44.35 }, { 204.9,39.6 },  { 205.9,35.42 },
          { 207.4,31.82 }, { 209.2,28.87 }, { 211.3,26.64},  { 213.8,25.13 }
        };
        
        DrawSetStrokeAntialias(draw_wand,MagickTrue);
        DrawSetStrokeWidth(draw_wand,3.024);
        DrawSetStrokeLineCap(draw_wand,RoundCap);
        DrawSetStrokeLineJoin(draw_wand,RoundJoin);
        (void) DrawSetStrokeDashArray(draw_wand,0,(const double *)NULL);
        (void) PixelSetColor(color,"#ff8000");
        DrawSetStrokeColor(draw_wand,color);
        DrawSetFillRule(draw_wand,EvenOddRule);
        (void) PixelSetColor(color,"#00ffff");
        DrawSetFillColor(draw_wand,color);
        DrawPolygon(draw_wand,48,points);
      }
      (void) PopDrawingWand(draw_wand);
      
      (void) PushDrawingWand(draw_wand);
      {
        DrawSetStrokeAntialias(draw_wand,MagickTrue);
        DrawSetStrokeWidth(draw_wand,12.02);
        DrawSetStrokeLineCap(draw_wand,RoundCap);
        DrawSetStrokeLineJoin(draw_wand,RoundJoin);
        (void) DrawSetStrokeDashArray(draw_wand,0,(const double *)NULL);
        (void) PixelSetColor(color,"#4000c2");
        DrawSetStrokeColor(draw_wand,color);
        (void) PixelSetColor(color,"none");
        DrawSetFillColor(draw_wand,color);
        DrawArc(draw_wand,360,554.4,187.2,237.6,0,90);
      }
      (void) PopDrawingWand(draw_wand);

      (void) PushDrawingWand(draw_wand);
      {
        DrawSetStrokeAntialias(draw_wand,MagickTrue);
        DrawSetStrokeWidth(draw_wand,9);
        DrawSetStrokeLineCap(draw_wand,RoundCap);
        DrawSetStrokeLineJoin(draw_wand,RoundJoin);
        (void) DrawSetStrokeDashArray(draw_wand,0,(const double *)NULL);
        (void) PixelSetColor(color,"#4000c2");
        DrawSetStrokeColor(draw_wand,color);
        DrawSetFillRule(draw_wand,EvenOddRule);
        (void) PixelSetColor(color,"#4000c2");
        DrawSetFillColor(draw_wand,color);
        DrawEllipse(draw_wand,388.8,626.4,100.8,122.4,0,90);
      }
      (void) PopDrawingWand(draw_wand);

      (void) PushDrawingWand(draw_wand);
      {
        const PointInfo points[6] =
        {
          { 180,504 }, { 282.7,578.6 }, { 243.5,699.4 }, { 116.5,699.4 },
          { 77.26,578.6 }, { 180,504 }
        };
        
        DrawSetStrokeAntialias(draw_wand,MagickTrue);
        DrawSetStrokeWidth(draw_wand,9);
        DrawSetStrokeLineCap(draw_wand,RoundCap);
        DrawSetStrokeLineJoin(draw_wand,RoundJoin);
        (void) DrawSetStrokeDashArray(draw_wand,0,(const double *)NULL);
        (void) PixelSetColor(color,"#4000c2");
        DrawSetStrokeColor(draw_wand,color);
        DrawSetFillRule(draw_wand,EvenOddRule);
        (void) PixelSetColor(color,"#800000");
        DrawSetFillColor(draw_wand,color);
        DrawPolygon(draw_wand,6,points);
      }
      (void) PopDrawingWand(draw_wand);
      
      (void) PushDrawingWand(draw_wand);
      {
        const PointInfo points[11] =
        {
          { 180,504 },     { 211.8,568.3 }, { 282.7,578.6 }, { 231.3,628.7 },
          { 243.5,699.4 }, { 180,666 },     { 116.5,699.4 }, { 128.7,628.7 },
          { 77.26,578.6 }, { 148.2,568.3 }, { 180,504 }
        };
        
        DrawSetStrokeAntialias(draw_wand,MagickTrue);
        DrawSetStrokeWidth(draw_wand,9);
        DrawSetStrokeLineCap(draw_wand,RoundCap);
        DrawSetStrokeLineJoin(draw_wand,RoundJoin);
        (void) DrawSetStrokeDashArray(draw_wand,0,(const double *)NULL);
        (void) PixelSetColor(color,"#4000c2");
        DrawSetStrokeColor(draw_wand,color);
        DrawSetFillRule(draw_wand,EvenOddRule);
        (void) PixelSetColor(color,"#800000");
        DrawSetFillColor(draw_wand,color);
        DrawPolygon(draw_wand,11,points);
      }
      (void) PopDrawingWand(draw_wand);
      
      (void) PushDrawingWand(draw_wand);
      {
        const PointInfo points[15] =
        {
          { 540,288 },     { 561.6,216 },   { 547.2,43.2 },  { 280.8,36 },
          { 302.4,194.4 }, { 331.2,64.8 },  { 504,64.8 },    { 475.2,115.2 },
          { 525.6,93.6 },  { 496.8,158.4 }, { 532.8,136.8 }, { 518.4,180 },
          { 540,172.8 },   { 540,223.2 },   { 540,288 }
        };
        
        DrawSetStrokeAntialias(draw_wand,MagickTrue);
        DrawSetStrokeWidth(draw_wand,5.976);
        DrawSetStrokeLineCap(draw_wand,RoundCap);
        DrawSetStrokeLineJoin(draw_wand,RoundJoin);
        (void) DrawSetStrokeDashArray(draw_wand,0,(const double *)NULL);
        (void) PixelSetColor(color,"#4000c2");
        DrawSetStrokeColor(draw_wand,color);
        DrawSetFillRule(draw_wand,EvenOddRule);
        (void) PixelSetColor(color,"#ffff00");
        DrawSetFillColor(draw_wand,color);
        DrawPolygon(draw_wand,15,points);
      }
      (void) PopDrawingWand(draw_wand);
      
      (void) PushDrawingWand(draw_wand);
      {
        const PointInfo points[7] =
        {
          { 57.6,640.8 }, { 57.6,784.8 }, { 194.4,799.2 }, { 259.2,777.6 },
          { 151.2,756 }, { 86.4,748.8 }, { 57.6,640.8 }
        };
        
        DrawSetStrokeAntialias(draw_wand,MagickTrue);
        DrawSetStrokeWidth(draw_wand,5.976);
        DrawSetStrokeLineCap(draw_wand,RoundCap);
        DrawSetStrokeLineJoin(draw_wand,RoundJoin);
        (void) DrawSetStrokeDashArray(draw_wand,0,(const double *)NULL);
        (void) PixelSetColor(color,"#4000c2");
        DrawSetStrokeColor(draw_wand,color);
        DrawSetFillRule(draw_wand,EvenOddRule);
        (void) PixelSetColor(color,"#ffff00");
        DrawSetFillColor(draw_wand,color);
        DrawPolygon(draw_wand,7,points);
      }
      (void) PopDrawingWand(draw_wand);
      
      (void) PushDrawingWand(draw_wand);
      {
        const PointInfo points[193] =
        {
          { 27.86,565.3 }, { 29.66,550.8 }, { 31.97,538.1 }, { 34.85,527.1 },
          { 38.09,517.7 }, { 41.83,509.8 }, { 45.86,503.1 }, { 50.33,497.6 },
          { 55.08,493.2 }, { 60.19,489.8 }, { 65.45,487.3 }, { 70.92,485.4 },
          { 76.61,484.2 }, { 88.42,483 },   { 100.4,482.9 }, { 108.4,482.2 },
          { 119.8,480.3 }, { 150.8,474.1 }, { 189.4,466.6 }, { 210.3,463 },
          { 231.5,459.9 }, { 252.4,457.8 }, { 272.7,456.6 }, { 291.8,456.9 },
          { 300.7,457.7 }, { 309.1,458.9 }, { 316.9,460.6 }, { 324.1,462.8 },
          { 330.7,465.6 }, { 336.4,469 },   { 341.3,473 },   { 345.3,477.7 },
          { 348.4,483.1 }, { 350.4,489.2},  { 352.4,495.4 }, { 355.2,500.9 },
          { 358.8,505.8 }, { 363,510 },     { 367.8,513.6 }, { 373,516.8 },
          { 378.6,519.6 }, { 384.3,521.8 }, { 396.4,525.4 }, { 408.2,527.9 },
          { 428,531.2 },   { 434.6,532.9 }, { 436.7,533.8 }, { 437.8,534.9 },
          { 437.8,536.2 }, { 436.8,537.8 }, { 434.5,539.6 }, { 430.9,541.8 },
          { 419.3,547.6 }, { 401.3,555.2 }, { 342.4,577.9 }, {325.2,584.9 },
          { 311,591.3 },   { 300,597.3 },   { 291.6,602.8 }, { 285.8,607.8 }, 
          { 282.3,612.3 }, { 281.4,614.4 }, { 280.9,616.2 }, { 281.2,619.6 },
          { 282.1,621.2 }, { 283.3,622.6 }, { 286.8,624.9 }, { 291.5,626.6 },
          { 297.1,627.8 }, { 303.6,628.3 }, { 310.5,628.3 }, { 317.9,627.6 },
          { 325.2,626.3 }, { 332.6,624.3 }, { 339.5,621.7 }, { 345.9,618.4 },
          { 351.4,614.4 }, { 353.9,612.2 }, { 356,609.8 }, { 357.9,607.1 },
          { 359.4,604.3 }, { 360.6,601.3 }, { 361.4,598.2 }, { 361.7,594.9 },
          { 361.7,591.3 }, { 361.2,587.7 }, { 360.1,583.7 }, { 358.6,579.7 },
          { 356.4,575.4 }, { 353.7,570.9 }, { 350.4,566.2 }, { 346.4,561.3 },
          { 341.8,556.2 }, { 336.5,550.9 }, { 330.6,545.5 }, { 323.8,539.8 },
          { 316.2,533.9 }, { 298.7,521.5 }, { 277.8,508.2 }, { 256.1,495.5 },
          { 236,484.5 },   { 217.7,475.1 }, { 200.8,467.1 }, { 185.6,460.7 },
          { 171.9,455.5 }, { 159.6,451.6 }, { 148.6,448.8 }, { 139,447 },
          { 130.5,446.2 }, { 123.3,446.2 }, { 117.1,446.9 }, { 112,448.3 },
          { 107.9,450.2 }, { 104.8,452.5 }, { 102.5,455.2 }, { 101,458.1 },
          { 100.2,461.2 }, { 100.2,464.3 }, { 100.7,467.4 }, { 101.8,470.3 },
          { 103.4,473 },   { 105.4,475.3 }, { 107.8,477.1 }, { 110.5,478.4 },
          { 113.4,479.1 }, { 116.5,478.9 }, { 119.7,478 },   { 123,476.2 },
          { 126.4,473.3 }, { 129.6,469.2 }, { 132.7,463.9 }, { 135.2,458.4 },
          { 136.6,453.7 }, { 137,449.9 },   { 136.6,446.8 }, { 135.4,444.5 },
          { 133.3,442.9 }, { 130.8,441.9 }, { 127.5,441.4 }, { 123.9,441.6 },
          { 119.8,442.3 }, { 110.7,445.1 }, { 101.1,449.5 }, { 91.37,455.2 },
          { 82.37,461.9 }, { 74.66,469.2 }, { 71.57,473 },   { 68.98,476.8 },
          { 67.03,480.7 }, { 65.81,484.4 }, { 65.45,488.2 }, { 65.95,491.7 },
          { 67.46,495.1 }, { 69.98,498.3 }, { 73.66,501.3 }, { 78.55,503.9 },
          { 84.82,506.3 }, { 92.38,508.2 }, { 107.1,511.6 }, { 118.2,514.8 },
          { 125.9,517.8 }, { 130.7,520.4 }, { 132.1,521.7 }, { 132.8,522.9 },
          { 133,524.2 },   { 132.6,525.3 }, { 131.8,526.5 }, { 130.5,527.5 },
          { 126.6,529.6 }, { 121.5,531.7 }, { 115.3,533.7 }, { 101.4,537.6 },
          { 87.55,541.8 }, { 81.36,544 },   { 76.25,546.3 }, { 71.64,549.5 },
          { 66.89,554.1 }, { 62.14,559.8 }, { 57.38,566.1 }, { 48.17,579.6 },
          { 39.96,591.4 }, { 36.43,595.9 }, { 34.78,597.6 }, { 33.26,598.8 },
          { 31.9,599.6 },  { 30.67,599.9 }, { 29.59,599.7 }, { 28.66,598.8 },
          { 27.86,597.4 }, { 27.29,595.2 }, { 26.64,588.7 }, { 26.86,578.8 },
          { 27.86,565.3 }
        };
        
        DrawSetStrokeAntialias(draw_wand,MagickTrue);
        DrawSetStrokeWidth(draw_wand,5.904);
        DrawSetStrokeLineCap(draw_wand,RoundCap);
        DrawSetStrokeLineJoin(draw_wand,RoundJoin);
        (void) DrawSetStrokeDashArray(draw_wand,0,(const double *)NULL);
        (void) PixelSetColor(color,"#4000c2");
        DrawSetStrokeColor(draw_wand,color);
        DrawSetFillRule(draw_wand,EvenOddRule);
        (void) PixelSetColor(color,"#ffff00");
        DrawSetFillColor(draw_wand,color);
        DrawPolygon(draw_wand,193,points);
      }
      (void) PopDrawingWand(draw_wand);
    }
    (void) PopDrawingWand(draw_wand);
  }
  (void) PopDrawingWand(draw_wand);
  (void) DrawRender(draw_wand);
  color=DestroyPixelWand(color);
  draw_wand=DestroyDrawingWand(draw_wand);
}

int main ( int argc, char **argv )
{
  Image *canvas = (Image *)NULL;
  char outfile[MaxTextExtent];
  int rows, columns = 0;
  char size[MaxTextExtent];
  ImageInfo *image_info;
  ExceptionInfo *exception;

  if ( argc != 2 )
    {
      (void) printf ( "Usage: %s filename\n", argv[0] );
      exit( 1 );
    }

  (void) CopyMagickString( outfile, argv[1], MaxTextExtent );

  if (LocaleNCompare("drawtest",argv[0],7) == 0)
    MagickCoreGenesis((char *) NULL,MagickTrue);
  else
    MagickCoreGenesis(*argv,MagickTrue);

  /*
   * Create canvas image
   */
  columns=596;
  rows=842;
  image_info=CloneImageInfo((ImageInfo*) NULL);
  exception=AcquireExceptionInfo();
  (void) FormatMagickString(size, MaxTextExtent, "%dx%d", columns, rows);
  (void) CloneString(&image_info->size,size);
  (void) CopyMagickString(image_info->filename,"xc:white",MaxTextExtent);
  canvas=ReadImage(image_info,exception );
  if (exception->severity >= ErrorException)
    CatchException(exception);
  if ( canvas == (Image *)NULL )
    {
      (void) printf ( "Failed to read canvas image %s\n",image_info->filename);
      exit(1);
    }

  /*
   * Scribble on image
   */
  ScribbleImage( canvas );

  /*
   * Save image to file
   */
  (void) CopyMagickString(canvas->filename,outfile,MaxTextExtent);
  (void) WriteImage ( image_info, canvas );

  exception=DestroyExceptionInfo(exception);
   canvas =DestroyImage( canvas );
   image_info =DestroyImageInfo( image_info );
  MagickCoreTerminus();
  return 0;
}

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