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support screenshots with 32bit surfaces

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FunkyFr3sh 2021-10-02 15:49:58 +02:00
parent 3a3eef6c75
commit 710a1e3bca
1 changed files with 37 additions and 0 deletions
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37
src/screenshot.c
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@ -75,6 +75,39 @@ static BOOL ss_screenshot_16bit(char* filename, IDirectDrawSurfaceImpl* src)
return !error; return !error;
} }
static BOOL ss_screenshot_32bit(char* filename, IDirectDrawSurfaceImpl* src)
{
unsigned int error = TRUE;
unsigned int* dst_buf = malloc(src->width * src->height * 4);
if (dst_buf)
{
unsigned int* src_buf = (unsigned int*)dds_GetBuffer(src);
for (int y = 0; y < src->height; y++)
{
int dst_row = y * src->width;
for (int x = 0; x < src->width; x++)
{
unsigned int pixel = src_buf[dst_row + x];
BYTE red = (pixel >> 16) & 0xFF;
BYTE green = (pixel >> 8) & 0xFF;
BYTE blue = pixel & 0xFF;
dst_buf[dst_row + x] = (0xFF << 24) | (blue << 16) | (green << 8) | red;
}
}
error = lodepng_encode32_file(filename, (unsigned char*)dst_buf, src->width, src->height);
free(dst_buf);
}
return !error;
}
BOOL ss_take_screenshot(IDirectDrawSurfaceImpl* src) BOOL ss_take_screenshot(IDirectDrawSurfaceImpl* src)
{ {
if (!src || !dds_GetBuffer(src)) if (!src || !dds_GetBuffer(src))
@ -110,6 +143,10 @@ BOOL ss_take_screenshot(IDirectDrawSurfaceImpl* src)
{ {
return ss_screenshot_16bit(filename, src); return ss_screenshot_16bit(filename, src);
} }
else if (src->bpp == 32)
{
return ss_screenshot_32bit(filename, src);
}
return FALSE; return FALSE;
} }