src/swf_fill_style_array.c

   1 #include <stdio.h>
   2 #include <stdlib.h> // calloc
   3 #include "bitstream.h"
   4 #include "swf_fill_style_array.h"
   5 #include "swf_tag_shape.h"
   6
   7 int
   8 swf_fill_style_array_parse(bitstream_t *bs,
   9                            swf_fill_style_array_t *fill_style_array,
  10                            swf_tag_t *tag) {
  11     int i;
  12     int result;
  13     swf_tag_shape_detail_t *swf_tag_shape = (swf_tag_shape_detail_t *) tag->detail;
  14
  15     fill_style_array->count = bitstream_getbyte(bs);
  16
  17     if (swf_tag_shape->_parse_condition == SWF_TAG_SHAPE_PARSE_CONDITION_BITMAP) {
  18         if (fill_style_array->count == 0) {
  19             return 1;
  20         }
  21     }
  22
  23     if ((tag->code != 2) && // ! DefineShape
  24         (fill_style_array->count == 255)) {
  25         fill_style_array->count = bitstream_getbytesLE(bs, 2);
  26     }
  27     fill_style_array->fill_style = calloc(fill_style_array->count, sizeof(swf_fill_style_t));
  28     for (i = 0 ; i < fill_style_array->count ; i++) {
  29         result = swf_fill_style_parse(bs, &(fill_style_array->fill_style[i]), tag);
  30         if (result) {
  31             fprintf(stderr, "swf_fill_style_array_parse: swf_fill_style_parse failed i=%d\n", i);
  32             fill_style_array->count = i;
  33             return 1;
  34         }
  35     }
  36     return 0;
  37 }
  38
  39 int
  40 swf_fill_style_array_build(bitstream_t *bs,
  41                            swf_fill_style_array_t *fill_style_array,
  42                            swf_tag_t *tag) {
  43     int i;
  44     int ret;
  45     if ((tag->code == 2) || // DefineShape
  46         ((tag->code > 2) && (fill_style_array->count < 255))) {
  47         // tag->code == 2 の時は count == 255 でもここに来るように
  48         bitstream_putbyte(bs, fill_style_array->count);
  49     } else {
  50         bitstream_putbyte(bs, 255);
  51         bitstream_putbytesLE(bs, fill_style_array->count, 2);
  52     }
  53     for (i = 0 ; i < fill_style_array->count ; i++) {
  54         ret = swf_fill_style_build(bs, &(fill_style_array->fill_style[i]), tag);
  55         if (ret != 0) {
  56             fprintf(stderr, "swf_fill_style_array_build: swf_fill_style_build failed i=%d/count=%d\n", i, fill_style_array->count);
  57             return 1;
  58         }
  59     }
  60     return 0;
  61 }
  62
  63 int
  64 swf_fill_style_array_print(swf_fill_style_array_t *fill_style_array,
  65                            int indent_depth, swf_tag_t *tag) {
  66     int i;
  67     print_indent(indent_depth);
  68     printf("fill_style_array->count=%u\n", fill_style_array->count);
  69     for (i = 0 ; i < fill_style_array->count ; i++) {
  70         print_indent(indent_depth);
  71         printf("[%d] ", i+1);
  72         swf_fill_style_print(&(fill_style_array->fill_style[i]),
  73                              indent_depth + 1, tag);
  74     }
  75     return 0;
  76 }
  77
  78 int
  79 swf_fill_style_array_delete(swf_fill_style_array_t *fill_style_array) {
  80     int i;
  81     for (i = 0 ; i < fill_style_array->count ; i++) {
  82         swf_fill_style_delete(&(fill_style_array->fill_style[i]));
  83     }
  84     free(fill_style_array->fill_style);
  85     return 0;
  86 }