libwebp/demux: add WebPDemuxGetI

Enables queries for format flag, canvas width/height.

Change-Id: I1d97a633712141e42dfc86c95492eb6da5cefa01
This commit is contained in:
James Zern
2012-06-07 06:56:08 +00:00
parent 2f2d4d5889
commit ad9ada3b9f
2 changed files with 31 additions and 0 deletions

View File

@ -650,6 +650,21 @@ void WebPDemuxDelete(WebPDemuxer* const dmux) {
free(dmux);
}
// -----------------------------------------------------------------------------
uint32_t WebPDemuxGetI(const WebPDemuxer* const dmux,
WebPFormatFeature feature) {
if (dmux == NULL) return 0;
switch (feature) {
case WEBP_FF_FORMAT_FLAGS: return dmux->feature_flags_;
case WEBP_FF_CANVAS_WIDTH: return (uint32_t)dmux->canvas_width_;
case WEBP_FF_CANVAS_HEIGHT: return (uint32_t)dmux->canvas_height_;
case WEBP_FF_LOOP_COUNT: return (uint32_t)dmux->loop_count_;
}
return 0;
}
#if defined(__cplusplus) || defined(c_plusplus)
} // extern "C"
#endif