Lines Matching refs:PNG_FLAG_OPTIMIZE_ALPHA
139 png_ptr->flags &= ~PNG_FLAG_OPTIMIZE_ALPHA;
319 png_ptr->flags &= ~PNG_FLAG_OPTIMIZE_ALPHA;
325 png_ptr->flags &= ~PNG_FLAG_OPTIMIZE_ALPHA;
333 png_ptr->flags |= PNG_FLAG_OPTIMIZE_ALPHA;
340 png_ptr->flags &= ~PNG_FLAG_OPTIMIZE_ALPHA;
1135 png_ptr->flags &= ~PNG_FLAG_OPTIMIZE_ALPHA;
1201 png_ptr->flags &= ~PNG_FLAG_OPTIMIZE_ALPHA;
1387 png_ptr->flags &= ~PNG_FLAG_OPTIMIZE_ALPHA;
1407 png_ptr->flags &= ~PNG_FLAG_OPTIMIZE_ALPHA;
3450 int optimize = (png_ptr->flags & PNG_FLAG_OPTIMIZE_ALPHA) != 0;