protected EmbossEffectConfigToken(EmbossEffectConfigToken copyMe)
: base(copyMe)
{
}
public unsafe override void Render(EffectConfigToken configToken, RenderArgs dstArgs, RenderArgs srcArgs,
Rectangle[] rois, int startIndex, int length)
{
EmbossEffectConfigToken eect = (EmbossEffectConfigToken)configToken;
double[,] weights = eect.Weights;
Surface dst = dstArgs.Surface;
Surface src = srcArgs.Surface;
for (int i = startIndex; i < startIndex + length; ++i)
{
Rectangle rect = rois[i];
// loop through each line of target rectangle
for (int y = rect.Top; y < rect.Bottom; ++y)
{
int fyStart = 0;
int fyEnd = 3;
if (y == src.Bounds.Top)
{
fyStart = 1;
}
if (y == src.Bounds.Bottom - 1)
{
fyEnd = 2;
}
// loop through each point in the line
ColorBgra *dstPtr = dst.GetPointAddress(rect.Left, y);
for (int x = rect.Left; x < rect.Right; ++x)
{
int fxStart = 0;
int fxEnd = 3;
if (x == src.Bounds.Left)
{
fxStart = 1;
}
if (x == src.Bounds.Right - 1)
{
fxEnd = 2;
}
// loop through each weight
double sum = 0.0;
for (int fy = fyStart; fy < fyEnd; ++fy)
{
for (int fx = fxStart; fx < fxEnd; ++fx)
{
double weight = weights[fy, fx];
ColorBgra c = src.GetPointUnchecked(x - 1 + fx, y - 1 + fy);
double intensity = (double)c.GetIntensityByte();
sum += weight * intensity;
}
}
int iSum = (int)sum;
iSum += 128;
if (iSum > 255)
{
iSum = 255;
}
if (iSum < 0)
{
iSum = 0;
}
*dstPtr = ColorBgra.FromBgra((byte)iSum, (byte)iSum, (byte)iSum, 255);
++dstPtr;
}
}
}
}
protected EmbossEffectConfigToken(EmbossEffectConfigToken copyMe)
: base(copyMe)
{
}
// create default config token with angle 45 degress
protected override void InitialInitToken()
{
theEffectToken = new EmbossEffectConfigToken(45);
}
// create default config token with angle 45 degress
protected override void InitialInitToken()
{
theEffectToken = new EmbossEffectConfigToken(45);
}