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Reduce deep nesting some more, including larger refactors to assign.cpp

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This commit is contained in:
Rangi42
2025-07-22 13:03:21 -04:00
parent eea532ded1
commit 2ce4cdbff6
8 changed files with 330 additions and 311 deletions
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77
src/gfx/process.cpp
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@@ -364,51 +364,50 @@ public:
std::vector<uint32_t> indeterminates;
// Assign a color to the given position, and register it in the image palette as well
auto assignColor =
[this, &conflicts, &indeterminates](png_uint_32 x, png_uint_32 y, Rgba &&color) {
if (!color.isTransparent() && !color.isOpaque()) {
uint32_t css = color.toCSS();
if (std::find(RANGE(indeterminates), css) == indeterminates.end()) {
error(
"Color #%08x is neither transparent (alpha < %u) nor opaque (alpha >= "
"%u) [first seen at x: %" PRIu32 ", y: %" PRIu32 "]",
css,
Rgba::transparency_threshold,
Rgba::opacity_threshold,
x,
y
);
indeterminates.push_back(css);
}
} else if (Rgba const *other = colors.registerColor(color); other) {
std::tuple conflicting{color.toCSS(), other->toCSS()};
// Do not report combinations twice
if (std::find(RANGE(conflicts), conflicting) == conflicts.end()) {
warnx(
"Fusing colors #%08x and #%08x into Game Boy color $%04x [first seen "
"at x: %" PRIu32 ", y: %" PRIu32 "]",
std::get<0>(conflicting),
std::get<1>(conflicting),
color.cgbColor(),
x,
y
);
// Do not report this combination again
conflicts.emplace_back(conflicting);
}
}
auto assignColor = [&](png_uint_32 x, png_uint_32 y, Rgba &&color) {
if (!color.isTransparent() && !color.isOpaque()) {
uint32_t css = color.toCSS();
if (std::find(RANGE(indeterminates), css) == indeterminates.end()) {
error(
"Color #%08x is neither transparent (alpha < %u) nor opaque (alpha >= "
"%u) [first seen at x: %" PRIu32 ", y: %" PRIu32 "]",
css,
Rgba::transparency_threshold,
Rgba::opacity_threshold,
x,
y
);
indeterminates.push_back(css);
}
} else if (Rgba const *other = colors.registerColor(color); other) {
std::tuple conflicting{color.toCSS(), other->toCSS()};
// Do not report combinations twice
if (std::find(RANGE(conflicts), conflicting) == conflicts.end()) {
warnx(
"Fusing colors #%08x and #%08x into Game Boy color $%04x [first seen "
"at x: %" PRIu32 ", y: %" PRIu32 "]",
std::get<0>(conflicting),
std::get<1>(conflicting),
color.cgbColor(),
x,
y
);
// Do not report this combination again
conflicts.emplace_back(conflicting);
}
}
pixel(x, y) = color;
};
pixel(x, y) = color;
};
if (interlaceType == PNG_INTERLACE_NONE) {
for (png_uint_32 y = 0; y < height; ++y) {
png_read_row(png, row.data(), nullptr);
png_bytep ptr = row.data();
png_read_row(png, ptr, nullptr);
for (png_uint_32 x = 0; x < width; ++x) {
assignColor(
x, y, Rgba(row[x * 4], row[x * 4 + 1], row[x * 4 + 2], row[x * 4 + 3])
);
assignColor(x, y, Rgba(ptr[0], ptr[1], ptr[2], ptr[3]));
ptr += 4;
}
}
} else {