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Enforce that transparent colours take slot #0 in all palettes

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This commit is contained in:
ISSOtm
2023-08-26 23:23:28 +02:00
parent 36bfeea8dc
commit cfe432ea65
1 changed files with 4 additions and 1 deletions
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5
src/gfx/main.cpp
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@@ -33,6 +33,7 @@
#include "gfx/pal_spec.hpp" #include "gfx/pal_spec.hpp"
#include "gfx/process.hpp" #include "gfx/process.hpp"
#include "gfx/reverse.hpp" #include "gfx/reverse.hpp"
#include "gfx/rgba.hpp"
using namespace std::literals::string_view_literals; using namespace std::literals::string_view_literals;
@@ -804,7 +805,9 @@ void Palette::addColor(uint16_t color) {
* Returns the ID of the color in the palette, or `size()` if the color is not in * Returns the ID of the color in the palette, or `size()` if the color is not in
*/ */
uint8_t Palette::indexOf(uint16_t color) const { uint8_t Palette::indexOf(uint16_t color) const {
return std::find(colors.begin(), colors.end(), color) - colors.begin(); return color == Rgba::transparent
? 0
: std::find(begin(), colors.end(), color) - begin() + options.hasTransparentPixels;
} }
auto Palette::begin() -> decltype(colors)::iterator { auto Palette::begin() -> decltype(colors)::iterator {