public override void SubDraw()
{
ERectangleF rctDraw = _sp.CalcRectInDrawTarget();
//attribs.SetColorMatrix(new ColorMatrix(), ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
if (_sp.Ink == RasterOps.ROPs.Copy || _sp.Ink == RasterOps.ROPs.BgTransparent || _sp.DrawToSprite == null) //TODO: allow RasterOps on root sprite.
//if (false)
{
if (_sp.Rect.Width <= 0 || _sp.Rect.Height <= 0)
{
return;
}
PointF ulCorner1 = new PointF(rctDraw.X, rctDraw.Y);
PointF urCorner1 = new PointF(rctDraw.OppositeX, rctDraw.Y);
PointF llCorner1 = new PointF(rctDraw.X, rctDraw.OppositeY);
PointF[] destPara1 = { ulCorner1, urCorner1, llCorner1 };
ERectangle rctSrc = _sp.SourceRect; //m_sp.Member.GetRectForFrame(m_sp.MemberAnimationFrame);
//RectangleF rctfCropped = m_sp.GetPortionOfMemberToDisplay();
//g.FillRectangle(new SolidBrush(Color.Red), rctDraw);
Graphics g = Graphics.FromImage(_sp.DrawToSprite.Member.Bitmap);
ImageAttributes attribs = new ImageAttributes();
attribs.SetWrapMode(WrapMode.Tile);
if (_sp.Ink == RasterOps.ROPs.BgTransparent)
{
attribs.SetColorKey(_sp.Member.ColorKey, _sp.Member.ColorKey);
}
g.SmoothingMode = SmoothingMode.None;
g.CompositingMode = CompositingMode.SourceOver;
g.CompositingQuality = CompositingQuality.Invalid;
g.DrawImage(_sp.Member.Bitmap, destPara1, rctSrc.ToRectangleF(), GraphicsUnit.Pixel, attribs);
g.Dispose();
}
else
{
//since it's difficult to write a RasterOp algorithm that both does effects and scales/interpolates properly,
//I cheat by creating a temporary scaled bitmap
if (_sp.Rect.ToERectangle().Width <= 0 || _sp.Rect.ToERectangle().Height <= 0)
{
return;
}
Bitmap bmp = _sp.Member.Bitmap;
ERectangle rctSrc = _sp.SourceRect;
if (_sp.Scaling.X != 1 || _sp.Scaling.Y != 1 || _sp.Color != Color.White)
{
//TODO: other/faster resizing algorithms at
//http://www.codeproject.com/csharp/ImgResizOutperfGDIPlus.asp
rctSrc = _sp.Rect.ToERectangle();
rctSrc.Offset(-rctSrc.X, -rctSrc.Y);
bmp = new Bitmap(_sp.Rect.ToERectangle().Width, _sp.Rect.ToERectangle().Height, _sp.Member.Bitmap.PixelFormat); //m_sp.Member.Bitmap, new Size(m_sp.RectInt.Width, m_sp.RectInt.Height));
Graphics g = Graphics.FromImage(bmp);
ImageAttributes attribs = new ImageAttributes();
ColorMatrix colorMatrix = new ColorMatrix();
colorMatrix.Matrix00 = (float)_sp.Color.R / 255;
colorMatrix.Matrix11 = (float)_sp.Color.G / 255;
colorMatrix.Matrix22 = (float)_sp.Color.B / 255;
colorMatrix.Matrix33 = 1.00f; // alpha
colorMatrix.Matrix44 = 1.00f; // w
attribs.SetColorMatrix(colorMatrix);
g.DrawImage(_sp.Member.Bitmap, rctSrc.ToRectangle(),
_sp.SourceRect.X, _sp.SourceRect.Y, _sp.SourceRect.Width, _sp.SourceRect.Height,
GraphicsUnit.Pixel, attribs);
g.Dispose();
}
RasterOps.CopyPixels(_sp.DrawToSprite.Member.Bitmap, bmp,
rctDraw, rctSrc, _sp.DrawToSprite.SourceRect, (int)_sp.Ink, _sp.Blend);
}
}
