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[nostalgia/core] Add color 16 functions

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This commit is contained in:
Gary Talent
2020-03-29 13:35:23 -05:00
parent a81582d3cd
commit 11cb4d5a44
2 changed files with 28 additions and 3 deletions
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src/nostalgia/core/gfx.cpp
+8 -3
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@@ -164,15 +164,15 @@ uint8_t blue32(Color32 c) noexcept {
uint8_t red32(Color16 c) noexcept {
return ((c & 0b0000000000011111) >> 0) * 8;
return red16(c) * 8;
}
uint8_t green32(Color16 c) noexcept {
return ((c & 0b0000001111100000) >> 5) * 8;
return green16(c) * 8;
}
uint8_t blue32(Color16 c) noexcept {
return ((c & 0b0111110000000000) >> 10) * 8;
return blue16(c) * 8;
}
void puts(Context *ctx, int column, int row, const char *str) {
@@ -181,4 +181,9 @@ void puts(Context *ctx, int column, int row, const char *str) {
}
}
static_assert(color16(0, 31, 0, 0) == 992);
static_assert(color16(16, 31, 0, 0) == 1008);
static_assert(color16(16, 31, 8, 0) == 9200);
static_assert(color16(16, 31, 8, 1) == 41968);
}