int
swf_argb_parse(bitstream_t *bs, swf_argb_t *color) {
color->alpha = bitstream_getbyte(bs);
color->red = bitstream_getbyte(bs);
color->green = bitstream_getbyte(bs);
color->blue = bitstream_getbyte(bs);
return 0;
}
int
swf_fill_style_array_parse(bitstream_t *bs,
swf_fill_style_array_t *fill_style_array,
swf_tag_t *tag) {
int i;
int result;
swf_tag_shape_detail_t *swf_tag_shape = (swf_tag_shape_detail_t *) tag->detail;
fill_style_array->count = bitstream_getbyte(bs);
if (swf_tag_shape->_parse_condition == SWF_TAG_SHAPE_PARSE_CONDITION_BITMAP) {
if (fill_style_array->count == 0) {
return 1;
}
}
if ((tag->code != 2) && // ! DefineShape
(fill_style_array->count == 255)) {
fill_style_array->count = bitstream_getbytesLE(bs, 2);
}
fill_style_array->fill_style = calloc(fill_style_array->count, sizeof(swf_fill_style_t));
for (i = 0 ; i < fill_style_array->count ; i++) {
result = swf_fill_style_parse(bs, &(fill_style_array->fill_style[i]), tag);
if (result) {
fprintf(stderr, "swf_fill_style_array_parse: swf_fill_style_parse failed i=%d\n", i);
fill_style_array->count = i;
return 1;
}
}
return 0;
}
int
swf_fill_style_parse(bitstream_t *bs, swf_fill_style_t *fill_style,
swf_tag_t * tag) {
swf_tag_shape_detail_t *swf_tag_shape = (swf_tag_shape_detail_t *) tag->detail;
fill_style->type = bitstream_getbyte(bs);
if (swf_tag_shape->_parse_condition == SWF_TAG_SHAPE_PARSE_CONDITION_BITMAP) {
if ((fill_style->type < 0x40) || (0x43 < fill_style->type)) {
return 1;
}
}
switch (fill_style->type) {
case 0x00: // solid fill
swf_fill_style_solid_parse(bs, &(fill_style->solid), tag);
break;
case 0x10: // linear gradient fill
case 0x12: // radial gradient fill
case 0x13: // focal gradient fill
swf_fill_style_gradient_parse(bs, &(fill_style->gradient), tag);
break;
case 0x40: // tilled bitmap fill with smoothed edges
case 0x41: // clipped bitmap fill with smoothed edges
case 0x42: // tilled bitmap fill with hard edges
case 0x43: // clipped bitmap fill with hard edges
swf_fill_style_bitmap_parse(bs, &(fill_style->bitmap), tag);
break;
default:
fprintf(stderr, "swf_fill_style_parse: unknown fill_style->type=0x%02x\n", fill_style->type);
return 1;
}
return 0;
}
int
swf_action_parse(bitstream_t *bs, swf_action_t *act) {
unsigned long offset;
bitstream_align(bs);
act->action_id = bitstream_getbyte(bs);
if (act->action_id & 0x80) {
act->action_length = bitstream_getbytesLE(bs, 2);
offset = bitstream_getbytepos(bs);
act->action_data = malloc(act->action_length);
if (act->action_data == NULL) {
fprintf(stderr, "Can't alloc memory for act->action_data\n");
return 1;
}
bitstream_getstring(bs, act->action_data, act->action_length);
}
return 0;
}
int
swf_button_record_list_parse(bitstream_t *bs, swf_button_record_list_t *button_record_list, swf_tag_t *tag) {
swf_button_record_t *prev_button_record = NULL;
while (bitstream_getbyte(bs)) { // endflag is 0
bitstream_incrpos(bs, -1, 0); // 1 byte back
swf_button_record_t *button_record = malloc(sizeof(*button_record));
button_record->next = NULL;
if (swf_button_record_parse(bs, button_record, tag)) {
fprintf(stderr, "swf_button_record_list_parse: swf_button_record_parse failed\n");
free(button_record);
break;
}
if (prev_button_record) {
prev_button_record->next = button_record;
} else {
button_record_list->head = button_record;
}
prev_button_record = button_record;
}
return 0;
}
