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64 lines
1.6 KiB
64 lines
1.6 KiB
#include "utils/palette_blending.hpp" |
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#include <algorithm> |
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#include <iostream> |
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#include <SDL.h> |
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#include <gmock/gmock.h> |
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#include <gtest/gtest.h> |
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#include "utils/str_cat.hpp" |
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void PrintTo(const SDL_Color &color, std::ostream *os) |
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{ |
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*os << "(" |
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<< static_cast<int>(color.r) << ", " |
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<< static_cast<int>(color.g) << ", " |
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<< static_cast<int>(color.b) << ")"; |
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} |
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namespace devilution { |
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namespace { |
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MATCHER_P3(ColorIs, r, g, b, |
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StrCat(negation ? "isn't" : "is", " (", r, ", ", g, ", ", b, ")")) |
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{ |
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return arg.r == r && arg.g == g && arg.b == b; |
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} |
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void GeneratePalette(SDL_Color palette[256]) |
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{ |
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for (unsigned j = 0; j < 4; ++j) { |
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for (unsigned i = 0; i < 64; ++i) { |
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palette[j * 64 + i].r = i * std::max(j, 1U); |
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palette[j * 64 + i].g = i * j; |
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palette[j * 64 + i].b = i * 2; |
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#ifndef USE_SDL1 |
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palette[j * 64 + i].a = SDL_ALPHA_OPAQUE; |
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#endif |
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} |
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} |
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} |
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TEST(GenerateBlendedLookupTableTest, BasicTest) |
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{ |
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SDL_Color palette[256]; |
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GeneratePalette(palette); |
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GenerateBlendedLookupTable(palette, /*skipFrom=*/-1, /*skipTo=*/-1); |
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EXPECT_THAT(palette[17], ColorIs(17, 0, 34)); |
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EXPECT_THAT(palette[150], ColorIs(44, 44, 44)); |
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EXPECT_THAT(palette[86], ColorIs(22, 22, 44)); |
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EXPECT_EQ(paletteTransparencyLookup[17][150], 86); |
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EXPECT_EQ(paletteTransparencyLookup[150][17], 86); |
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EXPECT_THAT(palette[27], ColorIs(27, 0, 54)); |
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EXPECT_THAT(palette[130], ColorIs(4, 4, 4)); |
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EXPECT_THAT(palette[15], ColorIs(15, 0, 30)); |
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EXPECT_EQ(paletteTransparencyLookup[27][130], 15); |
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EXPECT_EQ(paletteTransparencyLookup[130][27], 15); |
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} |
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} // namespace |
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} // namespace devilution
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