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closes #10

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git-svn-id: http://svn2.nishi.boats/svn/milsko/trunk@570 b9cfdab3-6d41-4d17-bbe4-086880011989
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NishiOwO
2025-11-02 19:15:38 +00:00
parent 92db649bda
commit 971ef1b827
15 changed files with 767 additions and 796 deletions
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28
src/draw.c
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@@ -666,6 +666,34 @@ MwLLPixmap MwLoadRaw(MwWidget handle, unsigned char* rgb, int width, int height)
return px;
}
void MwReloadRaw(MwWidget handle, unsigned char* rgb, int width, int height, MwLLPixmap px) {
int i;
MwLLColor base = handle->bgcolor == NULL ? MwParseColor(handle, MwGetText(handle, MwNbackground)) : handle->bgcolor;
memset(px->data_buf, 0, width * height * 4);
for(i = 0; i < width * height; i++) {
unsigned char* pin = &rgb[i * 4];
unsigned char* pout = &px->data_buf[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->red * (1 - a);
pout[1] += base->green * (1 - a);
pout[2] += base->blue * (1 - a);
pout[3] = 255;
}
}
if(handle->bgcolor == NULL) MwLLFreeColor(base);
MwLLPixmapUpdate(handle->lowlevel, px);
}
void MwGetColor(MwLLColor color, int* red, int* green, int* blue) {
*red = color->red;
*green = color->green;