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update color things

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This commit is contained in:
NishiOwO
2025-12-15 06:48:40 +09:00
parent f9c0ec987e
commit cf4fdc531a
5 changed files with 4763 additions and 836 deletions
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71
src/draw.c
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@@ -37,28 +37,35 @@ static int hex(const char* txt, int len) {
return r;
}
MwLLColor MwParseColor(MwWidget handle, const char* text) {
int r;
int g;
int b;
void MwParseColorNoAllocate(const char* text, MwRGB* rgb) {
if(text[0] == '#' && strlen(text) == 4) {
r = hex(text + 1, 1);
g = hex(text + 2, 1);
b = hex(text + 3, 1);
rgb->red = hex(text + 1, 1);
rgb->green = hex(text + 2, 1);
rgb->blue = hex(text + 3, 1);
r |= r << 4;
g |= g << 4;
b |= b << 4;
rgb->red |= rgb->red << 4;
rgb->green |= rgb->green << 4;
rgb->blue |= rgb->blue << 4;
} else if(text[0] == '#' && strlen(text) == 7) {
r = hex(text + 1, 2);
g = hex(text + 3, 2);
b = hex(text + 5, 2);
rgb->red = hex(text + 1, 2);
rgb->green = hex(text + 3, 2);
rgb->blue = hex(text + 5, 2);
} else {
return MwParseColorName(handle, text);
MwParseColorNameNoAllocate(text, rgb);
return;
}
}
return MwLLAllocColor(handle->lowlevel, r, g, b);
MwLLColor MwParseColor(MwWidget handle, const char* text) {
MwRGB rgb;
rgb.red = 0;
rgb.green = 0;
rgb.blue = 0;
MwParseColorNoAllocate(text, &rgb);
return MwLLAllocColor(handle->lowlevel, rgb.red, rgb.green, rgb.blue);
}
MwLLColor MwLightenColor(MwWidget handle, MwLLColor color, int r, int g, int b) {
@@ -649,40 +656,14 @@ MwLLPixmap MwLoadImage(MwWidget handle, const char* path) {
}
MwLLPixmap MwLoadRaw(MwWidget handle, unsigned char* rgb, int width, int height) {
MwLLPixmap px;
unsigned char* out = malloc(width * height * 4);
int i;
MwLLColor base = handle->bgcolor == NULL ? MwParseColor(handle, MwGetText(handle, MwNbackground)) : handle->bgcolor;
MwLLPixmap px = MwLLCreatePixmap(handle->lowlevel, rgb, width, height);
memset(out, 0, width * height * 4);
for(i = 0; i < width * height; i++) {
unsigned char* pin = &rgb[i * 4];
unsigned char* pout = &out[i * 4];
double a = pin[3];
a /= 255;
if(a != 0) {
pout[0] = pin[0] * a;
pout[1] = pin[1] * a;
pout[2] = pin[2] * a;
pout[0] += base->common.red * (1 - a);
pout[1] += base->common.green * (1 - a);
pout[2] += base->common.blue * (1 - a);
pout[3] = 255;
}
}
if(handle->bgcolor == NULL) MwLLFreeColor(base);
px = MwLLCreatePixmap(handle->lowlevel, out, width, height);
free(out);
MwReloadRaw(handle, px, rgb, width, height);
return px;
}
void MwReloadRaw(MwWidget handle, unsigned char* rgb, int width, int height, MwLLPixmap px) {
void MwReloadRaw(MwWidget handle, MwLLPixmap px, unsigned char* rgb, int width, int height) {
int i;
MwLLColor base = handle->bgcolor == NULL ? MwParseColor(handle, MwGetText(handle, MwNbackground)) : handle->bgcolor;