virtualx-engine/thirdparty/pvrtccompressor/ColorRgba.h
Rémi Verschelde 819ccdd340 dds/etc1/pbm/pvr: Make those modules and split thirdparty files
They are not particularly packaged in Linux distros so we do not
facilitate unbundling via SCons. There could be done if/when there
is interest.

Also s/pnm/pbm/, long-lived typo :)

(cherry picked from commit b1e8889d96)
2016-10-30 14:51:30 +01:00

152 lines
3.4 KiB
C++

#pragma once
namespace Javelin {
template<typename T>
class ColorRgb {
public:
T b;
T g;
T r;
ColorRgb()
: b(0)
, g(0)
, r(0) {
}
ColorRgb(T red, T green, T blue)
: b(blue)
, g(green)
, r(red) {
}
ColorRgb(const ColorRgb<T> &x)
: b(x.b)
, g(x.g)
, r(x.r) {
}
ColorRgb<int> operator *(int x) {
return ColorRgb<int>(r * x, g * x, b * x);
}
ColorRgb<int> operator +(const ColorRgb<T> &x) const {
return ColorRgb<int>(r + (int)x.r, g + (int)x.g, b + (int)x.b);
}
ColorRgb<int> operator -(const ColorRgb<T> &x) const {
return ColorRgb<int>(r - (int)x.r, g - (int)x.g, b - (int)x.b);
}
int operator %(const ColorRgb<T> &x) const {
return r * (int)x.r + g * (int)x.g + b * (int)x.b;
}
bool operator ==(const ColorRgb<T> &x) const {
return r == x.r && g == x.g && b == x.b;
}
bool operator !=(const ColorRgb<T> &x) const {
return r != x.r || g != x.g || b != x.b;
}
void SetMin(const ColorRgb<T> &x) {
if (x.r < r) {
r = x.r;
}
if (x.g < g) {
g = x.g;
}
if (x.b < b) {
b = x.b;
}
}
void SetMax(const ColorRgb<T> &x) {
if (x.r > r) {
r = x.r;
}
if (x.g > g) {
g = x.g;
}
if (x.b > b) {
b = x.b;
}
}
};
template<typename T>
class ColorRgba : public ColorRgb<T> {
public:
T a;
ColorRgba() :
a(0) {
}
ColorRgba(T red, T green, T blue, T alpha)
: ColorRgb<T>(red, green, blue)
, a(alpha) {
}
ColorRgba(const ColorRgba<T> &x)
: ColorRgb<T>(x.r, x.g, x.b)
, a(x.a) {
}
ColorRgba<int> operator *(int x) {
return ColorRgba<T>(ColorRgb<T>::r * x,
ColorRgb<T>::g * x,
ColorRgb<T>::b * x,
a * x);
}
ColorRgba<int> operator +(const ColorRgba<T> &x) {
return ColorRgba<T>(ColorRgb<T>::r + (int)x.r,
ColorRgb<T>::g + (int)x.g,
ColorRgb<T>::b + (int)x.b,
a + (int)x.a);
}
ColorRgba<int> operator -(const ColorRgba<T> &x) {
return ColorRgba<T>(ColorRgb<T>::r - (int)x.r,
ColorRgb<T>::g - (int)x.g,
ColorRgb<T>::b - (int)x.b,
a - (int)x.a);
}
int operator %(const ColorRgba<T> &x) {
return ColorRgb<T>::r * (int)x.r +
ColorRgb<T>::g * (int)x.g +
ColorRgb<T>::b * (int)x.b +
a * (int)x.a;
}
bool operator ==(const ColorRgba<T> &x) {
return ColorRgb<T>::r == x.r && ColorRgb<T>::g == x.g &&
ColorRgb<T>::b == x.b && a == x.a;
}
bool operator !=(const ColorRgba<T> &x) {
return ColorRgb<T>::r != x.r || ColorRgb<T>::g != x.g ||
ColorRgb<T>::b != x.b || a != x.a;
}
void SetMin(const ColorRgba<T> &x) {
ColorRgb<T>::SetMin(x);
if (x.a < a) {
a = x.a;
}
}
void SetMax(const ColorRgba<T> &x) {
ColorRgb<T>::SetMax(x);
if (x.a > a) {
a = x.a;
}
}
};
}