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libfreerdp-codec: optimize color conversion a bit

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This commit is contained in:
Marc-André Moreau 2013-05-16 19:56:39 -04:00
parent 8a2220a3d9
commit 92ce433090
1 changed files with 48 additions and 9 deletions
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57
libfreerdp/codec/color.c
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@ -614,22 +614,61 @@ BYTE* freerdp_image_convert_16bpp(BYTE* srcData, BYTE* dstData, int width, int h
src16 = (UINT16*) srcData;
dst32 = (UINT32*) dstData;
for (i = width * height; i > 0; i--)
if (clrconv->alpha)
{
pixel = *src16;
src16++;
GetBGR16(red, green, blue, pixel);
if (clrconv->alpha)
if (clrconv->invert)
{
pixel = (clrconv->invert) ? ARGB32(0xFF, red, green, blue) : ABGR32(0xFF, red, green, blue);
for (i = width * height; i > 0; i--)
{
pixel = *src16;
src16++;
GetBGR16(red, green, blue, pixel);
pixel = ARGB32(0xFF, red, green, blue);
*dst32 = pixel;
dst32++;
}
}
else
{
pixel = (clrconv->invert) ? RGB32(red, green, blue) : BGR32(red, green, blue);
for (i = width * height; i > 0; i--)
{
pixel = *src16;
src16++;
GetBGR16(red, green, blue, pixel);
pixel = ABGR32(0xFF, red, green, blue);
*dst32 = pixel;
dst32++;
}
}
*dst32 = pixel;
dst32++;
}
else
{
if (clrconv->invert)
{
for (i = width * height; i > 0; i--)
{
pixel = *src16;
src16++;
GetBGR16(red, green, blue, pixel);
pixel = RGB32(red, green, blue);
*dst32 = pixel;
dst32++;
}
}
else
{
for (i = width * height; i > 0; i--)
{
pixel = *src16;
src16++;
GetBGR16(red, green, blue, pixel);
pixel = BGR32(red, green, blue);
*dst32 = pixel;
dst32++;
}
}
}
return dstData;
}