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Fix reading ACO palette files (#1404)

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This commit is contained in:
Sylvie
2024-06-13 12:21:19 -04:00
committed by GitHub
parent dfec7111e2
commit 82f60e26c4
1 changed files with 4 additions and 3 deletions
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7
src/gfx/pal_spec.cpp
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@@ -489,7 +489,7 @@ static void parseACOFile(std::filebuf &file) {
return;
}
if (readBE<uint16_t>(buf) != 1) {
error("Palette file does not appear to be an ACO file");
error("Palette file does not appear to be an ACO v1 file");
return;
}
@@ -526,7 +526,8 @@ static void parseACOFile(std::filebuf &file) {
uint16_t colorType = readBE<uint16_t>(buf);
switch (colorType) {
case 0: // RGB
color = Rgba(buf[0], buf[2], buf[4], 0xFF);
// Only keep the MSB of the (big-endian) 16-bit values.
color = Rgba(buf[2], buf[4], buf[6], 0xFF);
break;
case 1: // HSB
error("Unsupported color type (HSB) for ACO file");
@@ -535,7 +536,7 @@ static void parseACOFile(std::filebuf &file) {
error("Unsupported color type (CMYK) for ACO file");
return;
case 7: // Lab
error("Unsupported color type (lab) for ACO file");
error("Unsupported color type (Lab) for ACO file");
return;
case 8: // Grayscale
error("Unsupported color type (grayscale) for ACO file");