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[Colour.hpp] Support for 6 to 8-bit colour

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wheremyfoodat 2023-02-27 19:50:18 +02:00
parent 8d82ffeee7
commit d0eb284598
1 changed files with 6 additions and 2 deletions
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8
include/colour.hpp
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@ -3,11 +3,15 @@
// Helpers functions for converting colour channels between bit depths
namespace Colour {
inline static u8 convert4To8Bit(u8 c) {
inline static constexpr u8 convert4To8Bit(u8 c) {
return (c << 4) | c;
}
inline static u8 convert5To8Bit(u8 c) {
inline static constexpr u8 convert5To8Bit(u8 c) {
return (c << 3) | (c >> 2);
}
inline static constexpr u8 convert6To8Bit(u8 c) {
return (c << 2) | (c >> 4);
}
}