public unsafe void CopyTo(EditBitmap destinationBitmap, int top, int left, int height, int width)
{
lock (LockObject)
{
// Find smallest array
//int size = (int)Math.Min(ByteLength, destinationBitmap.ByteLength) / destinationBitmap.BytesPerPixel;
// Copy memory
//CopyMemory(ImageData, destinationBitmap.ImageData, size);
//Marshal.Copy(src, destinationBitmap.ImageData, 0, size);
// First copy int64 as far as we can (faster than copying single bytes)
Int64 *src64 = (Int64 *)ImageData;
Int64 *dst64 = (Int64 *)destinationBitmap.ImageData;
byte * src8 = (byte *)ImageData;
byte * dst8 = (byte *)destinationBitmap.ImageData;
int maxWidth = Math.Min(Math.Min(Width - left, destinationBitmap.Width - left), width + top);
int maxHeight = Math.Min(Math.Min(Height - top, destinationBitmap.Height - top), height + top);
for (int x = top; x < maxHeight; x++)
{
for (int y = left; y < maxWidth; y++)
{
int srcp = (x * Width) + y;
int dstp = (x * destinationBitmap.Width) + y;
dst8[dstp] = src8[srcp];
}
}
}
}
public EditBitmap Clone()
{
lock (LockObject)
{
// Create new bitmap
EditBitmap bitmap = new EditBitmap(Width, Height, PixelFormat);
// Copy data into new bitmap
CopyTo(bitmap);
return(bitmap);
}
}
public unsafe void CopyTo(EditBitmap destinationBitmap)
{
lock (LockObject)
{
// Find smallest array
//int size = (int)Math.Min(ByteLength, destinationBitmap.ByteLength) / destinationBitmap.BytesPerPixel;
// Copy memory
//CopyMemory(ImageData, destinationBitmap.ImageData, size);
//Marshal.Copy(src, destinationBitmap.ImageData, 0, size);
// First copy int64 as far as we can (faster than copying single bytes)
int copied = 0;
Int64 *src64 = (Int64 *)ImageData;
Int64 *dst64 = (Int64 *)destinationBitmap.ImageData;
int srcHeight = Height * Width;
int dstHeight = destinationBitmap.Height * destinationBitmap.Width;
int maxLen = Math.Min(srcHeight, dstHeight);
int copyLength = maxLen - 8;
int i = 0;
while (copied < copyLength)
{
dst64[i] = src64[i];
i++;
copied += 8;
}
// Then copy single bytes until end of data
byte *src8 = (byte *)ImageData;
byte *dst8 = (byte *)destinationBitmap.ImageData;
i *= 8;
while (copied < ByteLength)
{
dst8[i] = src8[i];
i++;
copied++;
}
}
}
public void Blur(int xBlur, int yBlur)
{
EditBitmap srcImage = Clone();
int * srcIntPtr = srcImage.ImageIntPtr;
int * dstIntPtr = ImageIntPtr;
int xfrom = (xBlur / 2) * -1;
int xto = xfrom + xBlur;
int yfrom = (yBlur / 2) * -1;
int yto = yfrom + yBlur;
for (int x = 0; x < Height; x++)
{
for (int y = 0; y < Width; y++)
{
// Look around
long avg = 0;
int count = 0;
for (int xa = xfrom; xa < xto; xa++)
{
for (int ya = yfrom; ya < yto; ya++)
{
if (x + xa >= 0 && x + xa < Height &&
y + ya >= 0 && y + ya < Width)
{
int p = ((x + xa) * Width) + (y + ya);
avg += srcIntPtr[p];
count++;
}
}
}
int pd = (x * Width) + y;
dstIntPtr[pd] = (int)(avg / count);
}
}
srcImage.Dispose();
}