void CreateGraphicsFromNativeHdc(int width, int height)
{
win32MemDc = new NativeWin32MemoryDc(width, height, true);
win32MemDc.PatBlt(NativeWin32MemoryDc.PatBltColor.White);
win32MemDc.SetBackTransparent(true);
win32MemDc.SetClipRect(0, 0, width, height);
this.originalHdc = win32MemDc.DC;
//--------------
//set default font and default text color
this.CurrentFont = new RequestFont("tahoma", 14);
this.CurrentTextColor = Color.Black;
//--------------
}
static WinGdiTextService()
{
win32MemDc = new NativeWin32MemoryDc(2, 2);
whitespace[0] = ' ';
}
public override void CloseCanvas()
{
if (isDisposed)
{
return;
}
if (win32MemDc != null)
{
win32MemDc.Dispose();
win32MemDc = null;
}
isDisposed = true;
ReleaseUnManagedResource();
}
void ReleaseUnManagedResource()
{
if (win32MemDc != null)
{
win32MemDc.Dispose();
win32MemDc = null;
originalHdc = IntPtr.Zero;
}
clipRectStack.Clear();
currentClipRect = new System.Drawing.Rectangle(0, 0, this.Width, this.Height);
#if DEBUG
debug_releaseCount++;
#endif
}
static WinGdiTextService()
{
s_en = Encoding.Default; //use platform's default encoding
win32MemDc = new NativeWin32MemoryDc(2, 2);
whitespace[0] = ' ';
}