public override void OnDraw(MatterHackers.Agg.Graphics2D graphics2D)
{
SetGlContext();
OnDrawGlContent();
UnsetGlContext();
RectangleDouble bounds = LocalBounds;
//graphics2D.Rectangle(bounds, RGBA_Bytes.Black);
if (DrawRotationHelperCircle)
{
DrawTrackballRadius(graphics2D);
}
base.OnDraw(graphics2D);
}
private void Initialize(ImageBuffer sourceImage, RectangleInt boundsToCopyFrom)
{
if (sourceImage == this)
{
throw new Exception("We do not create a temp buffer for this to work. You must have a source distinct from the dest.");
}
Deallocate();
Allocate(boundsToCopyFrom.Width, boundsToCopyFrom.Height, boundsToCopyFrom.Width * sourceImage.BitDepth / 8, sourceImage.BitDepth);
SetRecieveBlender(sourceImage.GetRecieveBlender());
if (width != 0 && height != 0)
{
RectangleInt DestRect = new RectangleInt(0, 0, boundsToCopyFrom.Width, boundsToCopyFrom.Height);
RectangleInt AbsoluteSourceRect = boundsToCopyFrom;
// The first thing we need to do is make sure the frame is cleared. LBB [3/15/2004]
MatterHackers.Agg.Graphics2D graphics2D = NewGraphics2D();
graphics2D.Clear(new RGBA_Bytes(0, 0, 0, 0));
int x = -boundsToCopyFrom.Left - (int)sourceImage.OriginOffset.x;
int y = -boundsToCopyFrom.Bottom - (int)sourceImage.OriginOffset.y;
graphics2D.Render(sourceImage, x, y, 0, 1, 1);
}
}
