lib/example/shape1.c

   1 /* shape1.c
   2
   3    Example implementation for drawing a shape with rfxswf
   4
   5    Part of the swftools package.
   6
   7    Copyright (c) 2000, 2001 Rainer Böhme <rfxswf@reflex-studio.de>
   8
   9    This file is distributed under the GPL, see file COPYING for details
  10
  11 */
  12
  13 #include <stdio.h>
  14 #include <fcntl.h>
  15 #include <math.h>
  16 #include "../rfxswf.h"
  17
  18
  19 int main (int argc,char ** argv)
  20 { SWF swf;
  21   LPTAG t;
  22   RGBA rgb;
  23   SRECT r;
  24   LPSHAPE s;
  25   S32 width=300,height = 300;
  26
  27   int f,i,ls1,ls2;
  28
  29   memset(&swf,0x00,sizeof(SWF));        // set global movie parameters
  30
  31   swf.fileVersion    = 4;               // make flash 4 compatible swf
  32   swf.frameRate      = 0x1900;          // about 0x19 frames per second
  33
  34   swf.movieSize.xmax = 20*width;        // flash units: 1 pixel = 20 units
  35   swf.movieSize.ymax = 20*height;
  36
  37   swf.firstTag = swf_InsertTag(NULL,ST_SETBACKGROUNDCOLOR);
  38
  39                                         // now create a tag list be connecting one after another
  40
  41   t = swf.firstTag;
  42
  43         rgb.r = 0xff;
  44         rgb.g = 0xff;
  45         rgb.b = 0xff;
  46         swf_SetRGB(t,&rgb);
  47
  48   t = swf_InsertTag(t,ST_DEFINESHAPE);
  49
  50         swf_ShapeNew(&s);               // create new shape instance
  51
  52                                         // add two different linestyles
  53         rgb.b = rgb.g = 0x00;
  54         ls1 = swf_ShapeAddLineStyle(s,40,&rgb);
  55
  56         rgb.r = 0; rgb.b = 0xff;
  57         ls2 = swf_ShapeAddLineStyle(s,40,&rgb);
  58
  59         swf_SetU16(t,1);                // now set character ID
  60
  61         r.xmin = 0;
  62         r.ymin = 0;
  63         r.xmax = 20*width;
  64         r.ymax = 20*height;
  65
  66         swf_SetRect(t,&r);              // set shape bounds
  67
  68
  69         swf_SetShapeHeader(t,s);        // write all styles to tag
  70
  71         swf_ShapeSetAll(t,s,0,0,ls1,0,0); // move to (0,0), select linestyle ls1 and no fillstyle
  72
  73
  74         swf_ShapeSetLine(t,s,10*width,10*height);    // draw something
  75         swf_ShapeSetStyle(t,s,ls2,0,0);            // change to second linestyle
  76
  77         for (i=1;i<10;i++)
  78           swf_ShapeSetCircle(t,s,10*width,10*height,i*width,i*height);
  79
  80         swf_ShapeSetEnd(t);                 // finish drawing
  81
  82         swf_ShapeFree(s);                   // clean shape structure (which isn't needed anymore after writing the tag)
  83
  84   t = swf_InsertTag(t,ST_PLACEOBJECT2);     // append tag to place your shape into the scene
  85
  86         swf_ObjectPlace(t,1,1,NULL,NULL,NULL); // set character with id 1 (our shape) to depth 1 (upper most layer)
  87
  88   t = swf_InsertTag(t,ST_SHOWFRAME);        // finish current frame
  89
  90   t = swf_InsertTag(t,ST_END);              // finish current movie (which has just one frame)
  91
  92 //  swf_WriteCGI(&swf);    <- use this to create direct CGI output
  93
  94                                             // write movie to file
  95
  96   f = open("shape1.swf",O_WRONLY|O_CREAT|O_TRUNC, 0644);
  97   if FAILED(swf_WriteSWF(f,&swf)) fprintf(stderr,"WriteSWF() failed.\n");
  98   close(f);
  99
 100   swf_FreeTags(&swf);                       // cleanup
 101
 102 #ifdef __NT__                               // start flash player to show result on windows systems
 103   system("start ..\\shape1.swf");
 104 #endif
 105
 106   return 0;
 107 }
 108
 109