artemp/mapnik — Issue #841: expose Z_BEST_SPEED as settable via image encoding options in png_io.hpp
Author: artemp
Created: 2011-10-11 16:38:39+00:00
State: open
Labels: Core_Library

`png_set_compression_level(png_ptr, Z_BEST_SPEED)` can speed up image encoding at the cost of image size, but should be exposed when rendering performance is of top importance over bandwidth.