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png.c: Use palette for file size savings

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gitlost
2021-02-26 20:45:08 +00:00
parent 7f8c8114f3
commit ed3cc51a46
46 changed files with 185 additions and 63 deletions
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10
backend/tests/test_png.c
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@ -1,6 +1,6 @@
/*
libzint - the open source barcode library
Copyright (C) 2020 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2020 - 2021 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@ -164,7 +164,11 @@ static void test_print(int index, int generate, int debug) {
/* 29*/ { BARCODE_POSTNET, -1, -1, -1, -1, -1, -1, 0, 3.5, "", "", "12345", "", "../data/png/postnet_zip.png", "300 dpi, using 1/43in X, 300 / 43 / 2 = ~3.5 scale" },
/* 30*/ { BARCODE_PDF417, -1, -1, -1, -1, -1, -1, 0, 0, "", "CFCECDCC", "12345", "", "../data/png/pdf417_bgalpha.png", "" },
/* 31*/ { BARCODE_PDF417, -1, -1, -1, -1, -1, -1, 0, 0, "30313233", "", "12345", "", "../data/png/pdf417_fgalpha.png", "" },
/* 32*/ { BARCODE_ULTRA, -1, -1, 2, -1, -1, -1, 0, 0, "0000007F", "FF000033", "12345", "", "../data/png/ultra_alpha.png", "" },
/* 32*/ { BARCODE_PDF417, -1, -1, -1, -1, -1, -1, 0, 0, "20212244", "CFCECDCC", "12345", "", "../data/png/pdf417_bgfgalpha.png", "" },
/* 33*/ { BARCODE_ULTRA, -1, -1, 2, -1, -1, -1, 0, 0, "0000007F", "FF000033", "12345", "", "../data/png/ultra_bgfgalpha.png", "" },
/* 34*/ { BARCODE_ULTRA, -1, -1, 2, -1, -1, -1, 0, 0, "", "FF000033", "12345", "", "../data/png/ultra_bgalpha.png", "" },
/* 35*/ { BARCODE_ULTRA, -1, -1, 2, -1, -1, -1, 0, 0, "0000007F", "FF0000", "12345", "", "../data/png/ultra_fgalpha.png", "" },
/* 36*/ { BARCODE_ULTRA, -1, -1, -1, -1, -1, -1, 0, 0, "0000007F", "", "12345", "", "../data/png/ultra_fgalpha_nobg.png", "" },
};
int data_size = ARRAY_SIZE(data);
@ -242,6 +246,8 @@ static void test_print(int index, int generate, int debug) {
ret = testUtilCmpPngs(symbol->outfile, data[i].expected_file);
assert_zero(ret, "i:%d %s testUtilCmpPngs(%s, %s) %d != 0\n", i, testUtilBarcodeName(data[i].symbology), symbol->outfile, data[i].expected_file, ret);
ret = testUtilCmpBins(symbol->outfile, data[i].expected_file);
assert_zero(ret, "i:%d %s testUtilCmpBins(%s, %s) %d != 0\n", i, testUtilBarcodeName(data[i].symbology), symbol->outfile, data[i].expected_file, ret);
assert_zero(remove(symbol->outfile), "i:%d remove(%s) != 0\n", i, symbol->outfile);
}