public override void DrawBitmapBuffer(BitmapBuffer src, int dstXOffset, int dstYOffset, int srcXOffset, int srcYOffset, int zoom, byte[] backgroundColor)
{
if (src == null)
{
throw new ArgumentNullException(nameof(src));
}
GPUBitmapBuffer source = (GPUBitmapBuffer)src;
DrawBitmapBufferKernel.Execute(new Index2(src.Width, src.Height),
Buffer, source.Buffer, new Index2(dstXOffset, dstYOffset), new Index2(srcXOffset, srcYOffset),
BytesPerColor.BitClearer, zoom, backgroundColor);
requireCopyTo = true;
if (dstXOffset == 0 && dstYOffset == 0)
{
int a = 0;
}
}
public override unsafe void CopyTo(byte *target, int subImageLeft, int subImageRight, int subImageTop, int subImageBottom, int dirtyLeft, int dirtyRight, int dirtyTop, int dirtyBottom)
{
if (subImageLeft < 0)
{
subImageLeft = 0;
}
if (subImageTop < 0)
{
subImageTop = 0;
}
if (subImageLeft >= Width)
{
subImageLeft = Width - 1;
}
if (subImageTop >= Height)
{
subImageTop = Height - 1;
}
if (subImageRight >= Width)
{
subImageRight = Width - 1;
}
if (subImageBottom >= Height)
{
subImageBottom = Height - 1;
}
if (subImageRight <= subImageLeft)
{
subImageRight = subImageLeft;
}
if (subImageBottom <= subImageTop)
{
subImageBottom = subImageTop;
}
int w = 1 + subImageRight - subImageLeft;
int h = 1 + subImageBottom - subImageTop;
int l = w * h * BytesPerColor;
if (subBuffer == null)
{
subBuffer = (GPUBitmapBuffer)CreateInstance(w, h, BytesPerColor);
pixels = new byte[l];
requireCopyTo = true;
}
else if (subBuffer.Buffer.Width != BytesPerColor || subBuffer.Buffer.Height != w || subBuffer.Buffer.Depth != h)
{
subBuffer.Initialize(w, h, BytesPerColor);
pixels = new byte[l];
requireCopyTo = true;
}
//if(requireCopyTo)
//{
DrawSubBufferKernel.Execute(Buffer, subBuffer.Buffer, new Index2(subImageLeft, subImageTop));
subBuffer.requireCopyTo = false;
subBuffer.Buffer.CopyTo(pixels, Index3.Zero, 0, subBuffer.Buffer.Extent);
requireCopyTo = false;
//}
fixed(byte *bs = pixels)
{
System.Buffer.MemoryCopy(bs, target, l, l);
}
}
