// You may not change it after calling finalize(), since that could change the
// graph (need_linear_light() etc. depend on the border color you choose).
// You may not change it after calling finalize(), since that could change the
// graph (need_linear_light() etc. depend on the border color you choose).
virtual AlphaHandling alpha_handling() const;
virtual bool changes_output_size() const { return true; }
virtual AlphaHandling alpha_handling() const;
virtual bool changes_output_size() const { return true; }