mirror of https://github.com/bsnes-emu/bsnes.git
89 lines
3.0 KiB
C++
89 lines
3.0 KiB
C++
#ifndef NALL_IMAGE_FILL_HPP
|
|
#define NALL_IMAGE_FILL_HPP
|
|
|
|
namespace nall {
|
|
|
|
void image::fill(uint64_t color) {
|
|
uint8_t* dp = data;
|
|
for(unsigned y = 0; y < height; y++) {
|
|
uint8_t* dp = data + pitch * y;
|
|
for(unsigned x = 0; x < width; x++) {
|
|
write(dp, color);
|
|
dp += stride;
|
|
}
|
|
}
|
|
}
|
|
|
|
void image::gradient(uint64_t a, uint64_t b, uint64_t c, uint64_t d) {
|
|
for(unsigned y = 0; y < height; y++) {
|
|
uint8_t* dp = data + pitch * y;
|
|
double muY = (double)y / (double)height;
|
|
for(unsigned x = 0; x < width; x++) {
|
|
double muX = (double)x / (double)width;
|
|
write(dp, interpolate4f(a, b, c, d, muX, muY));
|
|
dp += stride;
|
|
}
|
|
}
|
|
}
|
|
|
|
void image::gradient(uint64_t a, uint64_t b, signed radiusX, signed radiusY, signed centerX, signed centerY, function<double (double, double)> callback) {
|
|
for(signed y = 0; y < height; y++) {
|
|
uint8_t* dp = data + pitch * y;
|
|
double py = max(-radiusY, min(+radiusY, y - centerY)) * 1.0 / radiusY;
|
|
for(signed x = 0; x < width; x++) {
|
|
double px = max(-radiusX, min(+radiusX, x - centerX)) * 1.0 / radiusX;
|
|
double mu = max(0.0, min(1.0, callback(px, py)));
|
|
if(mu != mu) mu = 1.0; //NaN
|
|
write(dp, interpolate4f(a, b, mu));
|
|
dp += stride;
|
|
}
|
|
}
|
|
}
|
|
|
|
void image::crossGradient(uint64_t a, uint64_t b, signed radiusX, signed radiusY, signed centerX, signed centerY) {
|
|
return gradient(a, b, radiusX, radiusY, centerX, centerY, [](double x, double y) -> double {
|
|
x = fabs(x), y = fabs(y);
|
|
return min(x, y) * min(x, y);
|
|
});
|
|
}
|
|
|
|
void image::diamondGradient(uint64_t a, uint64_t b, signed radiusX, signed radiusY, signed centerX, signed centerY) {
|
|
return gradient(a, b, radiusX, radiusY, centerX, centerY, [](double x, double y) -> double {
|
|
return fabs(x) + fabs(y);
|
|
});
|
|
}
|
|
|
|
void image::horizontalGradient(uint64_t a, uint64_t b, signed radiusX, signed radiusY, signed centerX, signed centerY) {
|
|
return gradient(a, b, radiusX, radiusY, centerX, centerY, [](double x, double y) -> double {
|
|
return fabs(x);
|
|
});
|
|
}
|
|
|
|
void image::radialGradient(uint64_t a, uint64_t b, signed radiusX, signed radiusY, signed centerX, signed centerY) {
|
|
return gradient(a, b, radiusX, radiusY, centerX, centerY, [](double x, double y) -> double {
|
|
return sqrt(x * x + y * y);
|
|
});
|
|
}
|
|
|
|
void image::sphericalGradient(uint64_t a, uint64_t b, signed radiusX, signed radiusY, signed centerX, signed centerY) {
|
|
return gradient(a, b, radiusX, radiusY, centerX, centerY, [](double x, double y) -> double {
|
|
return x * x + y * y;
|
|
});
|
|
}
|
|
|
|
void image::squareGradient(uint64_t a, uint64_t b, signed radiusX, signed radiusY, signed centerX, signed centerY) {
|
|
return gradient(a, b, radiusX, radiusY, centerX, centerY, [](double x, double y) -> double {
|
|
return max(fabs(x), fabs(y));
|
|
});
|
|
}
|
|
|
|
void image::verticalGradient(uint64_t a, uint64_t b, signed radiusX, signed radiusY, signed centerX, signed centerY) {
|
|
return gradient(a, b, radiusX, radiusY, centerX, centerY, [](double x, double y) -> double {
|
|
return fabs(y);
|
|
});
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|