src/swfrender.c

   1 #include "../config.h"
   2 #include <stdio.h>
   3 #include <stdarg.h>
   4 #include <assert.h>
   5 #include <unistd.h>
   6 #include <fcntl.h>
   7 #include "../lib/rfxswf.h"
   8
   9 // swfrender.c
  10
  11 typedef struct RENDERBUF
  12 {
  13     int width;
  14     int height;
  15     void*internal;
  16 } RENDERBUF;
  17
  18 typedef struct heap_t
  19 {
  20 };
  21
  22 typedef struct _renderbuf_internal
  23 {
  24     heap_t* lines;
  25 } renderbuf_internal;
  26
  27
  28 void swf_RenderShape(RENDERBUF*dest, SHAPE2*shape)
  29 {
  30     renderbuf_internal*i = (renderbuf_internal)dest->internal;
  31
  32     SHAPELINE*line = shape->lines;
  33     int x=0,y=0;
  34
  35     while(line)
  36     {
  37         if(line->type == moveTo) {
  38             /* max 31 bits + sign */
  39             x = line->x;
  40             y = line->y;
  41         } else if(line->type == lineTo) {
  42             /* max 17 bits + sign */
  43             int diffx = line->x - x;
  44             int diffy = line->y - y;
  45             int stepx,posx=0,posy=0;
  46             if(diffy<0) {
  47                 x = line->x;
  48                 y = line->y;
  49                 diffx = -diffx;
  50                 diffy = -diffy;
  51             }
  52             stepx = (diffx*0x1000) / diffy;
  53
  54             while(posy<diffy) {
  55                 int xx = x + ((posx)/0x1000);
  56                 int yy = posy;
  57                 // TODO: add pixel to dest
  58                 posx+=stepx;
  59                 posy++;
  60             }
  61
  62             x = line->x;
  63             y = line->y;
  64         } else if(line->type == splineTo) {
  65         }
  66
  67         line = line->next;
  68     }
  69 }
  70
  71 int main()
  72 {
  73     char*filename = "output.swf";
  74     fi = open(filename, O_RDONLY|O_BINARY);
  75     if (fi<=0) {
  76         fprintf(stderr,"Couldn't open %s\n", filename);
  77         perror(argv[1]);
  78         exit(1);
  79     }
  80
  81     if(swf_ReadSWF(fi,&swf)<0) {
  82         fprintf(stderr,"%s is not a valid SWF file or contains errors.\n",argv[1]);
  83         close(fi);
  84     }
  85
  86     tag = swf.firstTag;
  87     while(tag) {
  88         if(tag.id == ST_DEFINESHAPE3) {
  89             SHAPE2 shape;
  90             swf_ParseDefineShape(tag, &shape);
  91             swf_RenderShape(tag, MATRIX m);
  92         }
  93     }
  94 }