png.c: Use palette for file size savings

2025-06-02 16:09:51 -04:00 · 2021-02-26 20:45:08 +00:00 · 2021-02-26 20:45:08 +00:00 · ed3cc51a46
commit ed3cc51a46
parent 7f8c8114f3
46 changed files with 185 additions and 63 deletions
--- a/backend/tests/data/png/codablockf_3rows.png
+++ b/backend/tests/data/png/codablockf_3rows.png
--- a/backend/tests/data/png/code128_egrave_bold.png
+++ b/backend/tests/data/png/code128_egrave_bold.png
--- a/backend/tests/data/png/code128_egrave_bold_box3.png
+++ b/backend/tests/data/png/code128_egrave_bold_box3.png
--- a/backend/tests/data/png/code39_small.png
+++ b/backend/tests/data/png/code39_small.png
--- a/backend/tests/data/png/ean13_2addon_ggs_5.2.2.5.1-2.png
+++ b/backend/tests/data/png/ean13_2addon_ggs_5.2.2.5.1-2.png
--- a/backend/tests/data/png/ean13_5addon_ggs_5.2.2.5.2-2.png
+++ b/backend/tests/data/png/ean13_5addon_ggs_5.2.2.5.2-2.png
--- a/backend/tests/data/png/ean13_cc_2addon_cca_4x4.png
+++ b/backend/tests/data/png/ean13_cc_2addon_cca_4x4.png
--- a/backend/tests/data/png/ean13_cc_5addon_ccb_3x4.png
+++ b/backend/tests/data/png/ean13_cc_5addon_ccb_3x4.png
--- a/backend/tests/data/png/ean13_cc_5addon_ccb_3x4_notext.png
+++ b/backend/tests/data/png/ean13_cc_5addon_ccb_3x4_notext.png
--- a/backend/tests/data/png/ean2.png
+++ b/backend/tests/data/png/ean2.png
--- a/backend/tests/data/png/ean5.png
+++ b/backend/tests/data/png/ean5.png
--- a/backend/tests/data/png/ean8_2addon.png
+++ b/backend/tests/data/png/ean8_2addon.png
--- a/backend/tests/data/png/ean8_5addon.png
+++ b/backend/tests/data/png/ean8_5addon.png
--- a/backend/tests/data/png/ean8_cc_2addon_cca_4x3.png
+++ b/backend/tests/data/png/ean8_cc_2addon_cca_4x3.png
--- a/backend/tests/data/png/ean8_cc_5addon_ccb_8x3.png
+++ b/backend/tests/data/png/ean8_cc_5addon_ccb_8x3.png
--- a/backend/tests/data/png/gs1_128_cc_fig12.png
+++ b/backend/tests/data/png/gs1_128_cc_fig12.png
--- a/backend/tests/data/png/pdf417_bgalpha.png
+++ b/backend/tests/data/png/pdf417_bgalpha.png
--- a/backend/tests/data/png/pdf417_bgfgalpha.png
+++ b/backend/tests/data/png/pdf417_bgfgalpha.png
--- a/backend/tests/data/png/pdf417_fgalpha.png
+++ b/backend/tests/data/png/pdf417_fgalpha.png
--- a/backend/tests/data/png/postnet_zip.png
+++ b/backend/tests/data/png/postnet_zip.png
--- a/backend/tests/data/png/ultra_alpha.png
+++ b/backend/tests/data/png/ultra_alpha.png
--- a/backend/tests/data/png/ultra_bgalpha.png
+++ b/backend/tests/data/png/ultra_bgalpha.png
--- a/backend/tests/data/png/ultra_bgfgalpha.png
+++ b/backend/tests/data/png/ultra_bgfgalpha.png
--- a/backend/tests/data/png/ultra_fgalpha.png
+++ b/backend/tests/data/png/ultra_fgalpha.png
--- a/backend/tests/data/png/ultra_fgalpha_nobg.png
+++ b/backend/tests/data/png/ultra_fgalpha_nobg.png
--- a/backend/tests/data/png/upca_2addon_ggs_5.2.6.6-5.png
+++ b/backend/tests/data/png/upca_2addon_ggs_5.2.6.6-5.png
--- a/backend/tests/data/png/upca_5addon.png
+++ b/backend/tests/data/png/upca_5addon.png
--- a/backend/tests/data/png/upca_5addon_bind3.png
+++ b/backend/tests/data/png/upca_5addon_bind3.png
--- a/backend/tests/data/png/upca_5addon_notext.png
+++ b/backend/tests/data/png/upca_5addon_notext.png
--- a/backend/tests/data/png/upca_cc_2addon_cca_3x4.png
+++ b/backend/tests/data/png/upca_cc_2addon_cca_3x4.png
--- a/backend/tests/data/png/upca_cc_5addon_ccb_4x4.png
+++ b/backend/tests/data/png/upca_cc_5addon_ccb_4x4.png
--- a/backend/tests/data/png/upca_cc_5addon_ccb_4x4_bind3.png
+++ b/backend/tests/data/png/upca_cc_5addon_ccb_4x4_bind3.png
--- a/backend/tests/data/png/upca_cc_5addon_ccb_4x4_notext.png
+++ b/backend/tests/data/png/upca_cc_5addon_ccb_4x4_notext.png
--- a/backend/tests/data/png/upce_2addon.png
+++ b/backend/tests/data/png/upce_2addon.png
--- a/backend/tests/data/png/upce_5addon.png
+++ b/backend/tests/data/png/upce_5addon.png
--- a/backend/tests/data/png/upce_cc_2addon_cca_5x2.png
+++ b/backend/tests/data/png/upce_cc_2addon_cca_5x2.png
--- a/backend/tests/data/png/upce_cc_5addon_ccb_8x2.png
+++ b/backend/tests/data/png/upce_cc_5addon_ccb_8x2.png
--- a/backend/tests/data/png/upce_cc_5addon_ccb_8x2_notext.png
+++ b/backend/tests/data/png/upce_cc_5addon_ccb_8x2_notext.png
--- a/backend/tests/data/print/png/code128_aim.png
+++ b/backend/tests/data/print/png/code128_aim.png
--- a/backend/tests/data/print/png/dotcode_aim_fig7.png
+++ b/backend/tests/data/print/png/dotcode_aim_fig7.png
--- a/backend/tests/data/print/png/maxicode_fig_2.png
+++ b/backend/tests/data/print/png/maxicode_fig_2.png
--- a/backend/tests/data/print/png/qr_v1_m.png
+++ b/backend/tests/data/print/png/qr_v1_m.png
--- a/backend/tests/data/print/png/ultracode_a.png
+++ b/backend/tests/data/print/png/ultracode_a.png