public void blend_hline(int x1, int y, int x2, ColorF sourceColor, byte cover)
{
if (sourceColor.alpha != 0)
{
int len = x2 - x1 + 1;
int bufferOffset;
float[] buffer = GetPixelPointerXY(x1, y, out bufferOffset);
float alpha = sourceColor.alpha * (cover * (1.0f / 255.0f));
if (alpha == 1)
{
m_Blender.CopyPixels(buffer, bufferOffset, sourceColor, len);
}
else
{
do
{
m_Blender.BlendPixel(buffer, bufferOffset, new ColorF(sourceColor.red, sourceColor.green, sourceColor.blue, alpha));
bufferOffset += m_DistanceInFloatsBetweenPixelsInclusive;
}while (--len != 0);
}
}
}
public static void BasedOnAlpha(IRecieveBlenderFloat Blender, float[] destBuffer, int bufferOffset, ColorF sourceColor)
{
//if (sourceColor.m_A != 0)
{
#if false // we blend regardless of the alpha so that we can get Light Opacity working (used this way we have additive and faster blending in one blender) LBB
if (sourceColor.m_A == base_mask)
{
Blender.CopyPixel(pDestBuffer, sourceColor);
}
else
#endif
{
Blender.BlendPixel(destBuffer, bufferOffset, sourceColor);
}
}
}
public static void BasedOnAlphaAndCover(IRecieveBlenderFloat Blender, float[] destBuffer, int bufferOffset, RGBA_Floats sourceColor, int cover)
{
if (cover == 255)
{
BasedOnAlpha(Blender, destBuffer, bufferOffset, sourceColor);
}
else
{
//if (sourceColor.m_A != 0)
{
sourceColor.alpha = sourceColor.alpha * ((float)cover * (1 / 255));
#if false // we blend regardless of the alpha so that we can get Light Opacity working (used this way we have addative and faster blending in one blender) LBB
if (sourceColor.m_A == base_mask)
{
Blender.CopyPixel(pDestBuffer, sourceColor);
}
else
#endif
{
Blender.BlendPixel(destBuffer, bufferOffset, sourceColor);
}
}
}
}
public static void BasedOnAlphaAndCover(IRecieveBlenderFloat Blender, float[] destBuffer, int bufferOffset, RGBA_Floats sourceColor, int cover)
{
if (cover == 255)
{
BasedOnAlpha(Blender, destBuffer, bufferOffset, sourceColor);
}
else
{
//if (sourceColor.m_A != 0)
{
sourceColor.alpha = sourceColor.alpha * ((float)cover * (1 / 255));
#if false // we blend regardless of the alpha so that we can get Light Opacity working (used this way we have additive and faster blending in one blender) LBB
if (sourceColor.m_A == base_mask)
{
Blender.CopyPixel(pDestBuffer, sourceColor);
}
else
#endif
{
Blender.BlendPixel(destBuffer, bufferOffset, sourceColor);
}
}
}
}