internal UGContext(Graphics native, UGSize canvasRect, float scale, ColorService colorService, Action disposeAction)
{
Native = native;
CanvasSize = canvasRect;
ScaleFactor = scale;
_colorService = colorService;
_disposeAction = disposeAction;
native.CompositingQuality = CompositingQuality.HighQuality | CompositingQuality.GammaCorrected;
native.PixelOffsetMode = PixelOffsetMode.Half;
native.SmoothingMode = SmoothingMode.AntiAlias;
}
protected override void Dispose(bool disposing)
{
base.Dispose(disposing);
if (disposing)
{
if (_colorService != null)
{
_colorService.Dispose();
_colorService = null;
}
}
}
public IUGContext CreateDrawingSession()
{
var context = Graphics.FromImage(Native);
context.PageScale = Scale;
context.PageUnit = GraphicsUnit.Pixel;
var colorService = new ColorService();
return(new UGContext(context, Size, Scale, colorService, () =>
{
colorService.Dispose();
context.Dispose();
context = null;
}));
}
internal UGContext(Graphics native, UGSize canvasRect, float scale, ColorService service)
: this(native, canvasRect, scale, service, null)
{
}
protected virtual void Initialize()
{
DoubleBuffered = true;
_colorService = new ColorService();
}
