void CopyTo(BitmapHandler bmp, Rectangle source)
{
var bd = bmp.Lock();
if (source.Top < 0 || source.Left < 0 || source.Right > size.Width || source.Bottom > size.Height)
{
throw new Exception("Source rectangle exceeds image size");
}
// we have to draw to a temporary bitmap pixel by pixel
unsafe {
/*fixed (byte* pSrc = Control)*/ {
var dest = (byte *)bd.Data;
//var src = pSrc;
var src = (byte *)ptr;
var scany = size.Width;
/*if (false)
* {
* src += Control.Length - scany;
* scany = -scany;
* }*/
dest += source.Top * bd.ScanWidth;
dest += source.Left * sizeof(uint);
src += source.Top * scany;
src += source.Left;
int bottom = source.Bottom;
int right = source.Right;
int left = source.Left;
for (int y = source.Top; y < bottom; y++)
{
var srcrow = src;
var destrow = (uint *)dest;
for (int x = left; x < right; x++)
{
*
destrow = colors [*srcrow];
destrow++;
srcrow++;
}
dest += bd.ScanWidth;
src += scany;
}
}
}
bmp.Unlock(bd);
}
void CopyTo(BitmapHandler bmp, Rectangle source)
{
if (source.Top < 0 || source.Left < 0 || source.Right > size.Width || source.Bottom > size.Height)
{
throw new Exception("Source rectangle exceeds image size");
}
// we have to draw to a temporary bitmap pixel by pixel
var bd = bmp.Lock();
unsafe
{
var dest = (byte *)bd.Data;
var src = (byte *)ptr;
var scany = size.Width;
dest += source.Top * bd.ScanWidth;
dest += source.Left * bd.BytesPerPixel;
src += source.Top * scany;
src += source.Left;
int bottom = source.Bottom;
int right = source.Right;
int left = source.Left;
scany = scany - (right - left);
for (int y = source.Top; y < bottom; y++)
{
var destrow = (uint *)dest;
for (int x = left; x < right; x++)
{
*destrow = colors[*src];
destrow++;
src++;
}
dest += bd.ScanWidth;
src += scany;
}
}
bmp.Unlock(bd);
}