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Properly detect tiles with more than 4 colours

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Fixes #1127, which was caused by a dumb logic error. Duh me.
This commit is contained in:
ISSOtm
2023-02-08 00:20:55 +01:00
parent 4e712807d7
commit 33a0857b8d
3 changed files with 28 additions and 14 deletions
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10
src/gfx/process.cpp
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@@ -986,12 +986,16 @@ void process() {
for (auto tile : png.visitAsTiles()) {
ProtoPalette tileColors;
AttrmapEntry &attrs = attrmap.emplace_back();
uint8_t nbColorsInTile = 0;
for (uint32_t y = 0; y < 8; ++y) {
for (uint32_t x = 0; x < 8; ++x) {
Rgba color = tile.pixel(x, y);
if (!color.isTransparent()) { // Do not count transparency in for packing
tileColors.add(color.cgbColor());
// Add the color to the proto-pal (if not full), and count it if it was unique.
if (tileColors.add(color.cgbColor())) {
++nbColorsInTile;
}
}
}
}
@@ -1033,9 +1037,9 @@ void process() {
}
}
if (tileColors.size() > options.maxOpaqueColors()) {
if (nbColorsInTile > options.maxOpaqueColors()) {
fatal("Tile at (%" PRIu32 ", %" PRIu32 ") has %zu opaque colors, more than %" PRIu8 "!",
tile.x, tile.y, tileColors.size(), options.maxOpaqueColors());
tile.x, tile.y, nbColorsInTile, options.maxOpaqueColors());
}
attrs.protoPaletteID = protoPalettes.size();