Lines Matching refs:PNG_FLAG_OPTIMIZE_ALPHA
111 png_ptr->flags &= ~PNG_FLAG_OPTIMIZE_ALPHA;
291 png_ptr->flags &= ~PNG_FLAG_OPTIMIZE_ALPHA;
297 png_ptr->flags &= ~PNG_FLAG_OPTIMIZE_ALPHA;
305 png_ptr->flags |= PNG_FLAG_OPTIMIZE_ALPHA;
312 png_ptr->flags &= ~PNG_FLAG_OPTIMIZE_ALPHA;
1112 png_ptr->flags &= ~PNG_FLAG_OPTIMIZE_ALPHA;
1178 png_ptr->flags &= ~PNG_FLAG_OPTIMIZE_ALPHA;
1355 png_ptr->flags &= ~PNG_FLAG_OPTIMIZE_ALPHA;
1375 png_ptr->flags &= ~PNG_FLAG_OPTIMIZE_ALPHA;
3502 int optimize = (png_ptr->flags & PNG_FLAG_OPTIMIZE_ALPHA) != 0;