74 lines
3.2 KiB
C++
74 lines
3.2 KiB
C++
/*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "Math/Math.hpp"
|
|
#include <algorithm>
|
|
|
|
namespace OpenVulkano::Math
|
|
{
|
|
class RGB565
|
|
{
|
|
static uint16_t Make5(uint8_t val) { return val * 31.0f / 255.0f; }
|
|
static uint16_t Make6(uint8_t val) { return val * 63.0f / 255.0f; }
|
|
static uint8_t Unmake5(uint16_t val) { return static_cast<uint8_t>(val * 255.0f / 31.0f); }
|
|
static uint8_t Unmake6(uint16_t val) { return static_cast<uint8_t>(val * 255.0f / 63.0f); }
|
|
static float Unmake5ToFloat(uint16_t val) {return std::clamp(val / 31.0f, 0.0f, 1.0f); }
|
|
static float Unmake6ToFloat(uint16_t val) { return std::clamp(val / 63.0f, 0.0f, 1.0f); }
|
|
static uint16_t Make5FromFloat(float val) { return (uint16_t)std::clamp(val * 31.0f, 0.0f, 31.f); }
|
|
static uint16_t Make6FromFloat(float val) { return (uint16_t) std::clamp(val * 63.0f, 0.0f, 63.f); }
|
|
|
|
public:
|
|
union
|
|
{
|
|
uint16_t value;
|
|
struct
|
|
{
|
|
uint16_t b : 5;
|
|
uint16_t g : 6;
|
|
uint16_t r : 5;
|
|
};
|
|
};
|
|
|
|
RGB565(Math::Vector4uc color = { 0, 0, 0, 1 }) : b(Make5(color.b)), g(Make6(color.g)), r(Make5(color.r)) {}
|
|
RGB565(Math::Vector3uc color = { 0, 0, 0 }) : b(Make5(color.b)), g(Make6(color.g)), r(Make5(color.r)) {}
|
|
RGB565(Math::Vector4uc_SIMD color = { 0, 0, 0, 1 }) : b(Make5(color.b)), g(Make6(color.g)), r(Make5(color.r)) {}
|
|
RGB565(Math::Vector3uc_SIMD color = { 0, 0, 0 }) : b(Make5(color.b)), g(Make6(color.g)), r(Make5(color.r)) {}
|
|
RGB565(Math::Vector4f color = {0.f, 0.f, 0.f, 1.f}) : b(Make5FromFloat(color.b)), g(Make6FromFloat(color.g)), r(Make5FromFloat(color.r)) {}
|
|
RGB565(Math::Vector3f color = { 0.f, 0.f, 0.f }) : b(Make5FromFloat(color.b)), g(Make6FromFloat(color.g)), r(Make5FromFloat(color.r)) {}
|
|
RGB565(Math::Vector3f_SIMD color = { 0.f, 0.f, 0.f }) : b(Make5FromFloat(color.b)), g(Make6FromFloat(color.g)), r(Make5FromFloat(color.r)) {}
|
|
RGB565(Math::Vector4f_SIMD color = { 0.f, 0.f, 0.f, 1.f }) : b(Make5FromFloat(color.b)), g(Make6FromFloat(color.g)), r(Make5FromFloat(color.r)) {}
|
|
|
|
|
|
uint8_t GetR() { return Unmake5(r); }
|
|
uint8_t GetG() { return Unmake6(g); }
|
|
uint8_t GetB() { return Unmake5(b); }
|
|
|
|
Math::Vector4uc GetColor() { return { GetR(), GetG(), GetB(), 1 }; }
|
|
|
|
void SetR(uint8_t red) { r = Make5(red); }
|
|
void SetG(uint8_t green) { g = Make6(green); }
|
|
void SetB(uint8_t blue) { b = Make5(blue); }
|
|
|
|
void SetColor(Math::Vector4uc color) { b = Make5(color.b); g = Make6(color.g); r = Make5(color.r); }
|
|
|
|
float GetRFloat() { return Unmake5ToFloat(r); }
|
|
float GetGFloat() { return Unmake6ToFloat(g); }
|
|
float GetBFloat() { return Unmake5ToFloat(b); }
|
|
|
|
Math::Vector4f GetColorFloat() { return { GetRFloat(), GetGFloat(), GetBFloat(), 1.0f }; }
|
|
|
|
void SetRNormalized(float red) { r = Make5FromFloat(red); }
|
|
void SetGNormalized(float green) { g = Make6FromFloat(green); }
|
|
void SetBNormalized(float blue) { b = Make5FromFloat(blue); }
|
|
|
|
void SetColorNormalized(Math::Vector4f color) { b = Make5FromFloat(color.b); g = Make6FromFloat(color.g); r = Make5FromFloat(color.r); }
|
|
};
|
|
|
|
static_assert(sizeof(RGB565) == 2);
|
|
}
|