public AggRenderSurface()
{
//1. attach dst bmp before use this
//2. you can detach this surface and attach to another bmp surface
_pixelBlenderBGRA = new PixelBlenderBGRA();
_destBitmapBlender = new MyBitmapBlender();
_bmpRasterizer = new DestBitmapRasterizer();
_sclinePack8 = new ScanlinePacked8();
_sclineRas = new ScanlineRasterizer();
_currentImgSpanGen = _imgSpanGenBilinearClip;
CurrentTransformMatrix = Affine.IdentityMatrix;
}
public AggRenderSurface(ActualBitmap destImage)
{
//create from actual image
this.destActualImage = destImage;
this.destImageReaderWriter = new MyBitmapBlender(destImage, new PixelBlenderBGRA());
//
this.sclineRas = new ScanlineRasterizer(destImage.Width, destImage.Height);
this._bmpRasterizer = new DestBitmapRasterizer();
//
this.destWidth = destImage.Width;
this.destHeight = destImage.Height;
//
this.clipBox = new RectInt(0, 0, destImage.Width, destImage.Height);
this.sclineRas.SetClipBox(this.clipBox);
this.sclinePack8 = new ScanlinePacked8();
}
public AggRenderSurface(MemBitmap dstBmp)
{
//create from actual image
_destBmp = dstBmp;
_pixelBlenderBGRA = new PixelBlenderBGRA();
_destBitmapBlender = new MyBitmapBlender(dstBmp, _pixelBlenderBGRA);
//
_bmpRasterizer = new DestBitmapRasterizer();
_sclinePack8 = new ScanlinePacked8();
_sclineRas = new ScanlineRasterizer();
//
_sclineRas.SetClipBox(
new RectInt(0, 0,
_destWidth = dstBmp.Width, //**
_destHeight = dstBmp.Height) //**
);
CurrentTransformMatrix = Affine.IdentityMatrix;
}
