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fix color key issues

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This commit is contained in:
FunkyFr3sh 2021-06-25 15:32:09 +02:00
parent 4afc715660
commit 74bfb5a725
1 changed files with 24 additions and 9 deletions
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33
src/ddsurface.c
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@ -231,6 +231,9 @@ HRESULT dds_Blt(
if (This->bpp == 8)
{
unsigned char key_low = color_key.dwColorSpaceLowValue & 0xFF;
unsigned char key_high = color_key.dwColorSpaceHighValue & 0xFF;
for (int y = 0; y < dst_h; y++)
{
int scaled_y = (int)(y * scale_h);
@ -250,7 +253,7 @@ HRESULT dds_Blt(
unsigned char c = ((unsigned char*)src_buf)[scaled_x + src_x + src_row];
if (c < color_key.dwColorSpaceLowValue || c > color_key.dwColorSpaceHighValue)
if (c < key_low || c > key_high)
{
((unsigned char*)dst_buf)[x + dst_x + dst_row] = c;
}
@ -259,6 +262,9 @@ HRESULT dds_Blt(
}
else if (This->bpp == 16)
{
unsigned short key_low = color_key.dwColorSpaceLowValue & 0xFFFF;
unsigned short key_high = color_key.dwColorSpaceHighValue & 0xFFFF;
for (int y = 0; y < dst_h; y++)
{
int scaled_y = (int)(y * scale_h);
@ -278,7 +284,7 @@ HRESULT dds_Blt(
unsigned short c = ((unsigned short*)src_buf)[scaled_x + src_x + src_row];
if (c < color_key.dwColorSpaceLowValue || c > color_key.dwColorSpaceHighValue)
if (c < key_low || c > key_high)
{
((unsigned short*)dst_buf)[x + dst_x + dst_row] = c;
}
@ -287,6 +293,9 @@ HRESULT dds_Blt(
}
else if (This->bpp == 32)
{
unsigned int key_low = color_key.dwColorSpaceLowValue;
unsigned int key_high = color_key.dwColorSpaceHighValue;
for (int y = 0; y < dst_h; y++)
{
int scaled_y = (int)(y * scale_h);
@ -306,7 +315,7 @@ HRESULT dds_Blt(
unsigned int c = ((unsigned int*)src_buf)[scaled_x + src_x + src_row];
if (c < color_key.dwColorSpaceLowValue || c > color_key.dwColorSpaceHighValue)
if (c < key_low || c > key_high)
{
((unsigned int*)dst_buf)[x + dst_x + dst_row] = c;
}
@ -677,6 +686,9 @@ HRESULT dds_BltFast(
{
if (This->bpp == 8)
{
unsigned char key_low = src_surface->color_key.dwColorSpaceLowValue & 0xFF;
unsigned char key_high = src_surface->color_key.dwColorSpaceHighValue & 0xFF;
for (int y = 0; y < dst_h; y++)
{
int dst_row = This->width * (y + dst_y);
@ -686,8 +698,7 @@ HRESULT dds_BltFast(
{
unsigned char c = ((unsigned char*)src_buf)[x + src_x + src_row];
if (c < src_surface->color_key.dwColorSpaceLowValue ||
c > src_surface->color_key.dwColorSpaceHighValue)
if (c < key_low || c > key_high)
{
((unsigned char*)dst_buf)[x + dst_x + dst_row] = c;
}
@ -696,6 +707,9 @@ HRESULT dds_BltFast(
}
else if (This->bpp == 16)
{
unsigned short key_low = src_surface->color_key.dwColorSpaceLowValue & 0xFFFF;
unsigned short key_high = src_surface->color_key.dwColorSpaceHighValue & 0xFFFF;
for (int y = 0; y < dst_h; y++)
{
int dst_row = This->width * (y + dst_y);
@ -705,8 +719,7 @@ HRESULT dds_BltFast(
{
unsigned short c = ((unsigned short*)src_buf)[x + src_x + src_row];
if (c < src_surface->color_key.dwColorSpaceLowValue ||
c > src_surface->color_key.dwColorSpaceHighValue)
if (c < key_low || c > key_high)
{
((unsigned short*)dst_buf)[x + dst_x + dst_row] = c;
}
@ -715,6 +728,9 @@ HRESULT dds_BltFast(
}
else if (This->bpp == 32)
{
unsigned int key_low = src_surface->color_key.dwColorSpaceLowValue;
unsigned int key_high = src_surface->color_key.dwColorSpaceHighValue;
for (int y = 0; y < dst_h; y++)
{
int dst_row = This->width * (y + dst_y);
@ -724,8 +740,7 @@ HRESULT dds_BltFast(
{
unsigned int c = ((unsigned int*)src_buf)[x + src_x + src_row];
if (c < src_surface->color_key.dwColorSpaceLowValue ||
c > src_surface->color_key.dwColorSpaceHighValue)
if (c < key_low || c > key_high)
{
((unsigned int*)dst_buf)[x + dst_x + dst_row] = c;
}