private void Paste_4BitCount(int x, int y, Bmp src)
{
int sw = src.bmih.biWidth;
int sh = src.bmih.biHeight;
int sLineStride = src.GetLineStride();
int dLineStride = GetLineStride();
int sidx = src.GetByteOffset(0, 0);
int didx = GetByteOffset(x, y);
int sw2 = sw / 2;
for (int i = 0; i < sh; ++i)
{
for (int j = 0; j < sw2; ++j)
{
byte scidx = src.imageData[sidx + j];
RGBQUAD sc0 = src.colorTable[scidx >> 4];
RGBQUAD sc1 = src.colorTable[scidx & 0xF];
int dcidx0 = Array.IndexOf(colorTable, sc0);
int dcidx1 = Array.IndexOf(colorTable, sc1);
imageData[didx + j] = (byte)((dcidx0 << 4) | dcidx1);
}
sidx += sLineStride;
didx += dLineStride;
}
}
private void Paste_8BitCount(int x, int y, Bmp src)
{
int sw = src.bmih.biWidth;
int sh = src.bmih.biHeight;
int sLineStride = src.GetLineStride();
int dLineStride = GetLineStride();
int sidx = src.GetByteOffset(0, 0);
int didx = GetByteOffset(x, y);
for (int i = 0; i < sh; ++i)
{
for (int j = 0; j < sw; ++j)
{
RGBQUAD sc = src.colorTable[src.imageData[sidx + j]];
imageData[didx + j] = (byte)Array.IndexOf(colorTable, sc);
}
sidx += sLineStride;
didx += dLineStride;
}
}
