public void PlaceBitmap(int bmpX)
{
if (g == null)
{
return;
}
hDC = new HandleRef(g, g.GetHdc());
var bd = b.LockBits(new Rectangle(0, 0, b.Width, b.Height), ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);
GdiProxy.SetDIBitsToDevice(hDC, r.X, r.Y, (uint)r.Width, (uint)r.Height, bmpX, 0, 0, (uint)b.Height, bd.Scan0, ref _BI, 0);
b.UnlockBits(bd);
g.ReleaseHdc();
}
public void Dispose()
{
if (hd.Handle == IntPtr.Zero || gd == null)
{
return;
}
GdiProxy.SelectObject(hs, hOldObj);
GdiProxy.DeleteObject(hb);
//gd.ReleaseHdc();
gs.ReleaseHdc();
gs.Dispose();
gd = gs = null;
b = null;
}
public void Assign(Graphics gfx, Rectangle rect, Bitmap bmp)
{
Dispose();
gd = gfx;
b = bmp;
r = rect;
gs = Graphics.FromImage(bmp);
hs = new HandleRef(gs, gs.GetHdc());
//hd = new HandleRef(gd, gd.GetHdc());
hb = new HandleRef(bmp, bmp.GetHbitmap());
hOldObj = new HandleRef(gs, GdiProxy.SelectObject(hs, hb));
if (hOldObj.Handle == IntPtr.Zero)
{
throw new Win32Exception();
}
}
public void PlaceBitmap(int bmpX)
{
hd = new HandleRef(gd, gd.GetHdc());
GdiProxy.BitBlt(hd, r.X, r.Y, r.Width, r.Height, hs, bmpX, 0, GdiProxy.TernaryRasterOperations.SRCCOPY);
gd.ReleaseHdc();
}
