prime/include/Kyoto/Graphics/CColor.hpp

107 lines
3.0 KiB
C++

#ifndef _CCOLOR
#define _CCOLOR
#include "types.h"
#include "Kyoto/Basics/CCast.hpp"
#include "Kyoto/Math/CMath.hpp"
#include <dolphin/gx/GXStruct.h>
#ifdef __MWERKS__
#pragma cpp_extensions on
#endif
class CInputStream;
class CColor {
public:
CColor() { Set(255, 0, 255); }
CColor(uint col) { Set(col); }
CColor(CInputStream& in);
CColor(float r, float g, float b, float a = 1.f);
CColor(uchar r, uchar g, uchar b, uchar a = 255) {
mR = r;
mG = g;
mB = b;
mA = a;
}
void Set(float r, float g, float b, float a);
void Set(uchar r, uchar g, uchar b, uchar a = 255) {
mR = r;
mG = g;
mB = b;
mA = a;
}
void Set(uint col) { mRgba = col; }
void Get(float& r, float& g, float& b, float& a) const;
void Get(float& r, float& g, float& b) const;
// TODO check. Maybe this calls SetAlpha(uchar)?
void SetAlpha(float a) { mA = CCast::ToUint8(a * 255.f); }
void SetAlpha(uchar a) { mRgba = (mRgba & ~0xff) | a; }
static CColor Lerp(const CColor& a, const CColor& b, float t);
static uint Lerp(uint a, uint b, float t);
static CColor Modulate(const CColor& a, const CColor& b);
static CColor Add(const CColor& a, const CColor& b);
float GetRed() const { return CCast::ToReal32(mR) * (1.f / 255.f); }
float GetGreen() const { return CCast::ToReal32(mG) * (1.f / 255.f); }
float GetBlue() const { return CCast::ToReal32(mB) * (1.f / 255.f); }
float GetAlpha() const { return CCast::ToReal32(mA) * (1.f / 255.f); }
uchar GetRedu8() const { return mR; }
uchar GetGreenu8() const { return mG; }
uchar GetBlueu8() const { return mB; }
uchar GetAlphau8() const { return mA; }
ushort ToRGB5A3() const;
uint GetColor_u32() const { return mRgba; }
const GXColor& GetGXColor() const { return *reinterpret_cast< const GXColor* >(this); }
CColor WithAlphaOf(float a) const { return CColor((mRgba & ~0xff) | CCast::ToUint8(a * 255.f)); }
CColor WithAlphaModulatedBy(float a) const {
return CColor((mRgba & ~0xff) | CCast::ToUint8(a * static_cast< float >(mA)));
}
bool operator==(const CColor& other) const { return mRgba == other.mRgba; }
// TODO check
static GXColor ToGX(uint c) { return *reinterpret_cast< const GXColor* >(&c); }
static const CColor& Black();
static const CColor& White();
static const CColor& Grey();
static const CColor& Red();
static const CColor& Green();
static const CColor& Blue();
static const CColor& Yellow();
static const CColor& Purple();
static const CColor& Orange();
private:
union {
struct {
uchar mR;
uchar mG;
uchar mB;
uchar mA;
};
uint mRgba;
};
static const CColor sBlackColor;
static const CColor sWhiteColor;
static const CColor sGreyColor;
static const CColor sRedColor;
static const CColor sGreenColor;
static const CColor sBlueColor;
static const CColor sYellowColor;
static const CColor sPurpleColor;
static const CColor sOrangeColor;
};
CHECK_SIZEOF(CColor, 0x4)
#ifdef __MWERKS__
#pragma cpp_extensions off
#endif
#endif // _CCOLOR