diff options
Diffstat (limited to 'source/gameengine/VideoTexture/FilterBlueScreen.h')
| -rw-r--r-- | source/gameengine/VideoTexture/FilterBlueScreen.h | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/source/gameengine/VideoTexture/FilterBlueScreen.h b/source/gameengine/VideoTexture/FilterBlueScreen.h index 20660804f78..820e4a44501 100644 --- a/source/gameengine/VideoTexture/FilterBlueScreen.h +++ b/source/gameengine/VideoTexture/FilterBlueScreen.h @@ -63,25 +63,24 @@ protected: short * size, unsigned int pixSize, unsigned int val) { // calculate differences - int difRed = int((val >> 16) & 0xFF) - int(m_color[0]); - int difGreen = int((val >> 8) & 0xFF) - int(m_color[1]); - int difBlue = int(val & 0xFF) - int(m_color[2]); + int difRed = int(VT_R(val)) - int(m_color[0]); + int difGreen = int(VT_G(val)) - int(m_color[1]); + int difBlue = int(VT_B(val)) - int(m_color[2]); // calc distance from "blue screen" color unsigned int dist = (unsigned int)(difRed * difRed + difGreen * difGreen + difBlue * difBlue); // condition for fully transparent color if (m_squareLimits[0] >= dist) // return color with zero alpha - //return 0xFF000000; - return val & 0x00FFFFFF; + VT_A(val) = 0; // condition for fully opaque color else if (m_squareLimits[1] <= dist) // return normal colour - return val | 0xFF000000; + VT_A(val) = 0xFF; // otherwise calc alpha else - return (val & 0x00FFFFFF) | ((((dist - m_squareLimits[0]) << 8) - / m_limitDist) << 24); + VT_A(val) = (((dist - m_squareLimits[0]) << 8) / m_limitDist); + return val; } /// virtual filtering function for byte source |