| # pngcp.dfa |
| # Build time configuration of libpng |
| # |
| # Author: John Bowler |
| # Copyright: (c) John Bowler, 2016 |
| # Usage rights: |
| # To the extent possible under law, the author has waived all copyright and |
| # related or neighboring rights to this work. This work is published from: |
| # United States. |
| # |
| # Build libpng with support for pngcp. This means just png_read_png, |
| # png_write_png and small number of configuration settings. |
| # |
| everything = off |
| |
| # Options to turn on png_read_png and png_write_png: |
| option WRITE_PNG on |
| option READ_PNG on |
| option EASY_ACCESS on |
| option WRITE_16BIT on |
| option SELECT_FILTER on |
| |
| # pngcp needs this to preserve unknown chunks, switching all these on means that |
| # pngcp can work without explicit known chunk reading suppport |
| option SAVE_UNKNOWN_CHUNKS on |
| option WRITE_UNKNOWN_CHUNKS on |
| |
| # pngcp needs this to handle palette files with invalid indices: |
| option CHECK_FOR_INVALID_INDEX on |
| option GET_PALETTE_MAX on |
| |
| # this is used to turn off limits: |
| option USER_LIMITS on |
| option SET_USER_LIMITS on |
| |
| # these are are just required for specific customizations |
| option WRITE_CUSTOMIZE_ZTXT_COMPRESSION on |
| option WRITE_CUSTOMIZE_COMPRESSION on |
