public void SetPixelHighRes(ImageReaderWriterBase sourceImage,
Color[] destBuffer,
int destBufferOffset,
int x,
int y)
{
int r, g, b, a;
r = g = b = a = LineAA.SUBPIXEL_SCALE * LineAA.SUBPIXEL_SCALE / 2;
int weight;
int x_lr = x >> LineAA.SUBPIXEL_SHIFT;
int y_lr = y >> LineAA.SUBPIXEL_SHIFT;
x &= LineAA.SUBPIXEL_MARK;
y &= LineAA.SUBPIXEL_MARK;
int sourceOffset;
int[] ptr = sourceImage.GetBuffer32();
sourceOffset = sourceImage.GetBufferOffsetXY32(x_lr, y_lr);
weight = (LineAA.SUBPIXEL_SCALE - x) *
(LineAA.SUBPIXEL_SCALE - y);
//
int ptr_v = ptr[sourceOffset];
r += weight * ((ptr_v >> (CO.R * 8) & 0xff)); // ptr[sourceOffset + CO.R];
g += weight * ((ptr_v >> (CO.G * 8) & 0xff)); //ptr[sourceOffset + CO.G];
b += weight * ((ptr_v >> (CO.B * 8) & 0xff)); //ptr[sourceOffset + CO.B];
a += weight * ((ptr_v >> (CO.A * 8) & 0xff)); //ptr[sourceOffset + CO.A];
//
sourceOffset += 1; // sourceImage.BytesBetweenPixelsInclusive;
weight = x * (LineAA.SUBPIXEL_SCALE - y);
//r += weight * ptr[sourceOffset + CO.R];
//g += weight * ptr[sourceOffset + CO.G];
//b += weight * ptr[sourceOffset + CO.B];
//a += weight * ptr[sourceOffset + CO.A];
ptr_v = ptr[sourceOffset];
r += weight * ((ptr_v >> (CO.R * 8) & 0xff)); // ptr[sourceOffset + CO.R];
g += weight * ((ptr_v >> (CO.G * 8) & 0xff)); //ptr[sourceOffset + CO.G];
b += weight * ((ptr_v >> (CO.B * 8) & 0xff)); //ptr[sourceOffset + CO.B];
a += weight * ((ptr_v >> (CO.A * 8) & 0xff)); //ptr[sourceOffset + CO.A];
//
sourceOffset = sourceImage.GetBufferOffsetXY32(x_lr, y_lr + 1);
weight = (LineAA.SUBPIXEL_SCALE - x) * y;
//r += weight * ptr[sourceOffset + CO.R];
//g += weight * ptr[sourceOffset + CO.G];
//b += weight * ptr[sourceOffset + CO.B];
//a += weight * ptr[sourceOffset + CO.A];
ptr_v = ptr[sourceOffset];
r += weight * ((ptr_v >> (CO.R * 8) & 0xff)); // ptr[sourceOffset + CO.R];
g += weight * ((ptr_v >> (CO.G * 8) & 0xff)); //ptr[sourceOffset + CO.G];
b += weight * ((ptr_v >> (CO.B * 8) & 0xff)); //ptr[sourceOffset + CO.B];
a += weight * ((ptr_v >> (CO.A * 8) & 0xff)); //ptr[sourceOffset + CO.A];
//
sourceOffset += 1; // sourceImage.BytesBetweenPixelsInclusive;
weight = x * y;
//r += weight * ptr[sourceOffset + CO.R];
//g += weight * ptr[sourceOffset + CO.G];
//b += weight * ptr[sourceOffset + CO.B];
//a += weight * ptr[sourceOffset + CO.A];
ptr_v = ptr[sourceOffset];
r += weight * ((ptr_v >> (CO.R * 8) & 0xff)); // ptr[sourceOffset + CO.R];
g += weight * ((ptr_v >> (CO.G * 8) & 0xff)); //ptr[sourceOffset + CO.G];
b += weight * ((ptr_v >> (CO.B * 8) & 0xff)); //ptr[sourceOffset + CO.B];
a += weight * ((ptr_v >> (CO.A * 8) & 0xff)); //ptr[sourceOffset + CO.A];
//destBuffer[destBufferOffset].red = (byte)(r >> LineAA.SUBPIXEL_SHIFT * 2);
//destBuffer[destBufferOffset].green = (byte)(g >> LineAA.SUBPIXEL_SHIFT * 2);
//destBuffer[destBufferOffset].blue = (byte)(b >> LineAA.SUBPIXEL_SHIFT * 2);
//destBuffer[destBufferOffset].alpha = (byte)(a >> LineAA.SUBPIXEL_SHIFT * 2);
destBuffer[destBufferOffset] = Color.FromArgb(
(byte)(a >> LineAA.SUBPIXEL_SHIFT * 2),
(byte)(r >> LineAA.SUBPIXEL_SHIFT * 2),
(byte)(g >> LineAA.SUBPIXEL_SHIFT * 2),
(byte)(b >> LineAA.SUBPIXEL_SHIFT * 2)
);
}
