public GdiPlusRenderSurface(int width, int height)
{
#if DEBUG
debug_canvas_id = dbug_canvasCount + 1;
dbug_canvasCount += 1;
#endif
//2. dimension
_left = 0;
_top = 0;
_right = _left + width;
_bottom = _top + height;
_currentClipRect = new System.Drawing.Rectangle(0, 0, width, height);
//--------------
_win32MemDc = new NativeWin32MemoryDC(width, height, false);
_win32MemDc.PatBlt(NativeWin32MemoryDC.PatBltColor.White);
_win32MemDc.SetBackTransparent(true);
_win32MemDc.SetClipRect(0, 0, width, height);
//--------------
_memBmp = new CpuBlit.MemBitmap(width, height, _win32MemDc.PPVBits);
_originalHdc = _win32MemDc.DC;
_gx = System.Drawing.Graphics.FromHdc(_win32MemDc.DC);
//--------------
//TODO: review here how to set default font***
//set default font
Win32.Win32Font font = Win32.FontHelper.CreateWin32Font("Tahoma", 10, false, false);
_hFont = font.GetHFont();
_win32MemDc.SetFont(_hFont);
//---------------------
//--------------
//set default font and default text color
this.CurrentFont = new RequestFont("tahoma", 14);
this.CurrentTextColor = Color.Black;
//-------------------------------------------------------
//managed object
_internalPen = new System.Drawing.Pen(System.Drawing.Color.Black);
_internalSolidBrush = new System.Drawing.SolidBrush(System.Drawing.Color.Black);
this.StrokeWidth = 1;
}
internal void ReleaseUnManagedResource()
{
if (_win32MemDc != null)
{
_win32MemDc.Dispose();
_win32MemDc = null;
_originalHdc = IntPtr.Zero;
}
if (_hFont != IntPtr.Zero)
{
Win32.MyWin32.DeleteObject(_hFont);
_hFont = 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
s_win32MemDc = new NativeWin32MemoryDC(2, 2);
s_whitespace[0] = ' ';
}
