mirror of
https://github.com/ZDoom/Raze.git
synced 2024-12-11 13:21:49 +00:00
100 lines
2.1 KiB
C++
100 lines
2.1 KiB
C++
#pragma once
|
|
|
|
#include <algorithm>
|
|
#include <stdint.h>
|
|
|
|
// Beware of windows.h :(
|
|
#ifdef max
|
|
#undef min
|
|
#undef max
|
|
#endif
|
|
|
|
struct PalEntry
|
|
{
|
|
PalEntry() = default;
|
|
PalEntry (uint32_t argb) { d = argb; }
|
|
operator uint32_t () const { return d; }
|
|
void SetRGB(PalEntry other)
|
|
{
|
|
d = other.d & 0xffffff;
|
|
}
|
|
PalEntry Modulate(PalEntry other) const
|
|
{
|
|
if (isWhite())
|
|
{
|
|
return other;
|
|
}
|
|
else if (other.isWhite())
|
|
{
|
|
return *this;
|
|
}
|
|
else
|
|
{
|
|
other.r = (r * other.r) / 255;
|
|
other.g = (g * other.g) / 255;
|
|
other.b = (b * other.b) / 255;
|
|
return other;
|
|
}
|
|
}
|
|
int Luminance() const
|
|
{
|
|
return (r * 77 + g * 143 + b * 37) >> 8;
|
|
}
|
|
|
|
int Amplitude() const
|
|
{
|
|
return std::max(r, std::max(g, b));
|
|
}
|
|
|
|
void Decolorize() // this for 'nocoloredspritelighting' and not the same as desaturation. The normal formula results in a value that's too dark.
|
|
{
|
|
int v = (r + g + b);
|
|
r = g = b = ((255*3) + v + v) / 9;
|
|
}
|
|
bool isBlack() const
|
|
{
|
|
return (d & 0xffffff) == 0;
|
|
}
|
|
bool isWhite() const
|
|
{
|
|
return (d & 0xffffff) == 0xffffff;
|
|
}
|
|
PalEntry &operator= (const PalEntry &other) = default;
|
|
PalEntry &operator= (uint32_t other) { d = other; return *this; }
|
|
PalEntry InverseColor() const { PalEntry nc; nc.a = a; nc.r = 255 - r; nc.g = 255 - g; nc.b = 255 - b; return nc; }
|
|
#ifdef __BIG_ENDIAN__
|
|
PalEntry (uint8_t ir, uint8_t ig, uint8_t ib) : a(0), r(ir), g(ig), b(ib) {}
|
|
PalEntry (uint8_t ia, uint8_t ir, uint8_t ig, uint8_t ib) : a(ia), r(ir), g(ig), b(ib) {}
|
|
union
|
|
{
|
|
struct
|
|
{
|
|
uint8_t a,r,g,b;
|
|
};
|
|
uint32_t d;
|
|
};
|
|
#else
|
|
PalEntry (uint8_t ir, uint8_t ig, uint8_t ib) : b(ib), g(ig), r(ir), a(0) {}
|
|
PalEntry (uint8_t ia, uint8_t ir, uint8_t ig, uint8_t ib) : b(ib), g(ig), r(ir), a(ia) {}
|
|
union
|
|
{
|
|
struct
|
|
{
|
|
uint8_t b,g,r,a;
|
|
};
|
|
uint32_t d;
|
|
};
|
|
#endif
|
|
};
|
|
|
|
inline int Luminance(int r, int g, int b)
|
|
{
|
|
return (r * 77 + g * 143 + b * 37) >> 8;
|
|
}
|
|
|
|
#define APART(c) (((c)>>24)&0xff)
|
|
#define RPART(c) (((c)>>16)&0xff)
|
|
#define GPART(c) (((c)>>8)&0xff)
|
|
#define BPART(c) ((c)&0xff)
|
|
#define MAKERGB(r,g,b) uint32_t(((r)<<16)|((g)<<8)|(b))
|
|
#define MAKEARGB(a,r,g,b) uint32_t(((a)<<24)|((r)<<16)|((g)<<8)|(b))
|