mirror of
https://github.com/hrydgard/ppsspp.git
synced 2025-04-02 11:01:50 -04:00
ff8148dd92
Also move colorutil.cpp/h linking build fix experiment Delete a bunch of unused CMakeLists.txt files CMakeLists.txt linking fix Don't include NativeApp.h from any headers. Android.mk buildfix Half of the UWP fix Buildfix Minor project file cleanup Buildfixes Guess what? More buildfixes!
65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
#include "Common/Data/Color/RGBAUtil.h"
|
|
|
|
template <typename T>
|
|
static T clamp(T f, T low, T high) {
|
|
if (f < low)
|
|
return low;
|
|
if (f > high)
|
|
return high;
|
|
return f;
|
|
}
|
|
|
|
uint32_t whiteAlpha(float alpha) {
|
|
if (alpha < 0.0f) alpha = 0.0f;
|
|
if (alpha > 1.0f) alpha = 1.0f;
|
|
uint32_t color = (int)(alpha*255) << 24;
|
|
color |= 0xFFFFFF;
|
|
return color;
|
|
}
|
|
|
|
uint32_t blackAlpha(float alpha) {
|
|
if (alpha < 0.0f) alpha = 0.0f;
|
|
if (alpha > 1.0f) alpha = 1.0f;
|
|
return (int)(alpha*255)<<24;
|
|
}
|
|
|
|
uint32_t colorAlpha(uint32_t rgb, float alpha) {
|
|
if (alpha < 0.0f) alpha = 0.0f;
|
|
if (alpha > 1.0f) alpha = 1.0f;
|
|
return ((int)(alpha*255)<<24) | (rgb & 0xFFFFFF);
|
|
}
|
|
|
|
uint32_t colorBlend(uint32_t rgb1, uint32_t rgb2, float alpha) {
|
|
float invAlpha = (1.0f - alpha);
|
|
int r = (int)(((rgb1 >> 0) & 0xFF) * alpha + ((rgb2 >> 0) & 0xFF) * invAlpha);
|
|
int g = (int)(((rgb1 >> 8) & 0xFF) * alpha + ((rgb2 >> 8) & 0xFF) * invAlpha);
|
|
int b = (int)(((rgb1 >> 16) & 0xFF) * alpha + ((rgb2 >> 16) & 0xFF) * invAlpha);
|
|
int a = (int)(((rgb1 >> 24) & 0xFF) * alpha + ((rgb2 >> 24) & 0xFF) * invAlpha);
|
|
|
|
uint32_t c = clamp(a, 0, 255) << 24;
|
|
c |= clamp(b, 0, 255) << 16;
|
|
c |= clamp(g, 0, 255) << 8;
|
|
c |= clamp(r, 0, 255);
|
|
return c;
|
|
}
|
|
|
|
uint32_t alphaMul(uint32_t color, float alphaMul) {
|
|
uint32_t rgb = color & 0xFFFFFF;
|
|
int32_t alpha = color >> 24;
|
|
alpha = (int32_t)(alpha * alphaMul);
|
|
if (alpha < 0) alpha = 0;
|
|
if (alpha > 255) alpha = 255;
|
|
return (alpha << 24) | (rgb & 0xFFFFFF);
|
|
}
|
|
|
|
uint32_t rgba(float r, float g, float b, float alpha) {
|
|
uint32_t color = (int)(alpha*255)<<24;
|
|
color |= (int)(b*255)<<16;
|
|
color |= (int)(g*255)<<8;
|
|
color |= (int)(r*255);
|
|
return color;
|
|
}
|
|
|
|
uint32_t rgba_clamp(float r, float g, float b, float a) {
|
|
return rgba(clamp(r, 0.0f, 1.0f), clamp(g, 0.0f, 1.0f), clamp(b, 0.0f, 1.0f), clamp(a, 0.0f, 1.0f));
|
|
}
|