public static void Main()
{
//TEST
//this is low-level scanline rasterizer
//1. create vertex store
VertexStore vxs = new VertexStore();
vxs.AddMoveTo(10, 10);
vxs.AddLineTo(50, 10);
vxs.AddLineTo(50, 50);
vxs.AddLineTo(10, 50);
vxs.AddCloseFigure();
//2. create scanline rasterizer
ScanlineRasterizer sclineRas = new ScanlineRasterizer();
sclineRas.AddPath(vxs);
//3. create destination bitmap
DestBitmapRasterizer destBmpRasterizer = new DestBitmapRasterizer();
//4. create 32bit rgba bitmap blender
MyBitmapBlender myBitmapBlender = new MyBitmapBlender();
//5. create output bitmap
using (MemBitmap membitmap = new MemBitmap(800, 600))
{
//6. attach target bitmap to bitmap blender
myBitmapBlender.Attach(membitmap);
//7. rasterizer sends the vector content inside sclineRas
// to the bitmap blender and
destBmpRasterizer.RenderWithColor(myBitmapBlender, //blender+ output
sclineRas, //with vectors input inside
new ScanlinePacked8(),
Color.Red);
//8. the content inside membitmap is just color image buffer
// you can copy it to other image object (eg SkImage, Gdi+ image etc)
//... example ...
using (System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(membitmap.Width, membitmap.Height))
{
IntPtr mem_ptr = membitmap.GetRawBufferHead();
System.Drawing.Imaging.BitmapData bmpdata = bmp.LockBits(new System.Drawing.Rectangle(0, 0, bmp.Width, bmp.Height), System.Drawing.Imaging.ImageLockMode.WriteOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
unsafe
{
MemMx.memcpy((byte *)bmpdata.Scan0, (byte *)mem_ptr, membitmap.Width * membitmap.Height * 4);
}
bmp.UnlockBits(bmpdata);
bmp.Save("test01.png");
}
}
}
public void Draw(
DestBitmapRasterizer bmpRast,
ScanlineRasterizer ras,
Scanline sl,
PixelProcessing.IBitmapBlender destImage, Color color,
double x, double y)
{
ras.Reset();
ras.MoveTo(x * _size, y * _size);
ras.LineTo(x * _size + _size, y * _size);
ras.LineTo(x * _size + _size, y * _size + _size);
ras.LineTo(x * _size, y * _size + _size);
bmpRast.RenderWithColor(destImage, ras, sl, color);
}
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 AggPainter(AggRenderSurface aggsx)
{
//painter paint to target surface
this._aggsx = aggsx;
this.sclineRas = _aggsx.ScanlineRasterizer;
this.stroke = new Stroke(1);//default
this.scline = aggsx.ScanlinePacked8;
this._bmpRasterizer = aggsx.BitmapRasterizer;
_orientation = DrawBoardOrientation.LeftBottom;
//from membuffer
_bxt = new BitmapBuffer(aggsx.Width,
aggsx.Height,
PixelFarm.CpuBlit.ActualBitmap.GetBuffer(aggsx.DestActualImage));
_vectorTool = new VectorTool();
_useDefaultBrush = true;
}
public void Draw(
DestBitmapRasterizer bmpRast,
ScanlineRasterizer ras,
Scanline sl,
PixelProcessing.IBitmapBlender destImage, Color color,
double x, double y)
{
#if DEBUG
//low-level scanline rasterizer example
ras.Reset();
ras.dbugDevMoveTo(x * _size, y * _size);
ras.dbugDevLineTo(x * _size + _size, y * _size);
ras.dbugDevLineTo(x * _size + _size, y * _size + _size);
ras.dbugDevLineTo(x * _size, y * _size + _size);
bmpRast.RenderWithColor(destImage, ras, sl, color);
#endif
}
public override void Draw(Painter p)
{
//this specific for agg
#if DEBUG
//low-level scanline rasterizer example
if (p is AggPainter)
{
AggPainter p2 = (AggPainter)p;
AggRenderSurface aggsx = p2.RenderSurface;
PixelProcessing.SubBitmapBlender subImg = PixelProcessing.BitmapBlenderExtension.CreateSubBitmapBlender(aggsx.DestBitmapBlender, aggsx.GetClippingRect());
//TODO: review here again
PixelBlenderBGRA blenderWithGamma = new PixelProcessing.PixelBlenderBGRA();
SubBitmapBlender rasterGamma = new SubBitmapBlender(subImg, blenderWithGamma);
ClipProxyImage clippingProxyNormal = new ClipProxyImage(subImg);
ClipProxyImage clippingProxyGamma = new ClipProxyImage(rasterGamma);
clippingProxyNormal.Clear(Color.White);
ScanlineRasterizer rasterizer = aggsx.ScanlineRasterizer;
var sl = new ScanlineUnpacked8();
int size_mul = this.PixelSize;
var sclineToBmpEn2 = new CustomRas_EnlargeV2(size_mul, aggsx.DestBitmap);
rasterizer.Reset();
rasterizer.dbugDevMoveTo(_x[0] / size_mul, _y[0] / size_mul);
rasterizer.dbugDevLineTo(_x[1] / size_mul, _y[1] / size_mul);
rasterizer.dbugDevLineTo(_x[2] / size_mul, _y[2] / size_mul);
sclineToBmpEn2.RenderWithColor(clippingProxyGamma, rasterizer, sl, Color.Black);
DestBitmapRasterizer bmpRas = aggsx.BitmapRasterizer;
bmpRas.RenderWithColor(clippingProxyGamma, rasterizer, sl, Color.Black);
//-----------------------------------------------------------------------------------------------------------
rasterizer.ResetGamma(new GammaNone());
using (Tools.BorrowVxs(out var v1, out var v2))
using (Tools.BorrowPathWriter(v1, out PathWriter ps))
{
ps.Clear();
ps.MoveTo(_x[0], _y[0]);
ps.LineTo(_x[1], _y[1]);
ps.LineTo(_x[2], _y[2]);
ps.LineTo(_x[0], _y[0]);
rasterizer.AddPath((new Stroke(2)).MakeVxs(v1, v2));
bmpRas.RenderWithColor(clippingProxyNormal, rasterizer, sl, new Color(200, 0, 150, 160));
}
}
#endif
}
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;
}
public override void Draw(PixelFarm.Drawing.Painter p)
{
//specific for agg
if (!(p is AggPainter))
{
return;
}
AggPainter p2 = (AggPainter)p;
AggRenderSurface asx = p2.RenderSurface;
if (asx.DestBitmapBlender != null)
{
IBitmapBlender backBuffer = asx.DestBitmapBlender;
//use different pixel blender
var redImageBuffer = new SubBitmapBlender(backBuffer, new PixelBlenderGrey());
var greenImageBuffer = new SubBitmapBlender(backBuffer, new PixelBlenderGrey());
var blueImageBuffer = new SubBitmapBlender(backBuffer, new PixelBlenderGrey());
ClipProxyImage clippingProxy = new ClipProxyImage(backBuffer);
ClipProxyImage clippingProxyRed = new ClipProxyImage(redImageBuffer);
ClipProxyImage clippingProxyGreen = new ClipProxyImage(greenImageBuffer);
ClipProxyImage clippingProxyBlue = new ClipProxyImage(blueImageBuffer);
//
ScanlineRasterizer sclineRas = asx.ScanlineRasterizer;
ScanlinePacked8 scline = asx.ScanlinePacked8;
Drawing.Color clearColor = this.UseBlackBlackground ? Drawing.Color.FromArgb(0, 0, 0) : Drawing.Color.FromArgb(255, 255, 255);
clippingProxy.Clear(clearColor);
Drawing.Color fillColor = this.UseBlackBlackground ?
new Drawing.Color((byte)(this.AlphaValue), 255, 255, 255) :
new Drawing.Color((byte)(this.AlphaValue), 0, 0, 0);
DestBitmapRasterizer bmpRas = asx.BitmapRasterizer;
using (VectorToolBox.Borrow(out Ellipse ellipse))
using (VxsTemp.Borrow(out var v1))
{
ellipse.Set(Width / 2 - 0.87 * 50, Height / 2 - 0.5 * 50, 100, 100, 100);
sclineRas.AddPath(ellipse.MakeVxs(v1));
v1.Clear();//**
bmpRas.RenderWithColor(clippingProxyRed, sclineRas, scline, fillColor);
////
ellipse.Set(Width / 2 + 0.87 * 50, Height / 2 - 0.5 * 50, 100, 100, 100);
sclineRas.AddPath(ellipse.MakeVxs(v1));
v1.Clear();//***
bmpRas.RenderWithColor(clippingProxyGreen, sclineRas, scline, fillColor);
//
ellipse.Set(Width / 2, Height / 2 + 50, 100, 100, 100);
sclineRas.AddPath(ellipse.MakeVxs(v1));
v1.Clear(); //***
bmpRas.RenderWithColor(clippingProxyBlue, sclineRas, scline, fillColor);
}
}
// else if (graphics2D.DestImageFloat != null)
// {
//#if false
// IImageFloat backBuffer = graphics2D.DestImageFloat;
// int distBetween = backBuffer.GetFloatsBetweenPixelsInclusive();
// ImageBufferFloat redImageBuffer = new ImageBufferFloat();
// redImageBuffer.Attach(backBuffer, new blender_gray(distBetween), distBetween, 2, 8);
// ImageBufferFloat greenImageBuffer = new ImageBufferFloat();
// greenImageBuffer.Attach(backBuffer, new blender_gray(distBetween), distBetween, 1, 8);
// ImageBufferFloat blueImageBuffer = new ImageBufferFloat();
// blueImageBuffer.Attach(backBuffer, new blender_gray(distBetween), distBetween, 0, 8);
// ImageClippingProxy clippingProxy = new ImageClippingProxy(backBuffer);
// ImageClippingProxy clippingProxyRed = new ImageClippingProxy(redImageBuffer);
// ImageClippingProxy clippingProxyGreen = new ImageClippingProxy(greenImageBuffer);
// ImageClippingProxy clippingProxyBlue = new ImageClippingProxy(blueImageBuffer);
// ScanlineRasterizer ras = new ScanlineRasterizer();
// ScanlineCachePacked8 sl = new ScanlineCachePacked8();
// RGBA_Bytes clearColor = useBlackBackgroundCheckbox.Checked ? new RGBA_Bytes(0, 0, 0) : new RGBA_Bytes(255, 255, 255);
// clippingProxy.clear(clearColor);
// alphaSlider.View.BackGroundColor = clearColor;
// RGBA_Bytes FillColor = useBlackBackgroundCheckbox.Checked ? new RGBA_Bytes(255, 255, 255, (int)(alphaSlider.Value)) : new RGBA_Bytes(0, 0, 0, (int)(alphaSlider.Value));
// VertexSource.Ellipse er = new AGG.VertexSource.Ellipse(Width / 2 - 0.87 * 50, Height / 2 - 0.5 * 50, 100, 100, 100);
// ras.add_path(er);
// agg_renderer_scanline.Default.render_scanlines_aa_solid(clippingProxyRed, ras, sl, FillColor);
// VertexSource.Ellipse eg = new AGG.VertexSource.Ellipse(Width / 2 + 0.87 * 50, Height / 2 - 0.5 * 50, 100, 100, 100);
// ras.add_path(eg);
// agg_renderer_scanline.Default.render_scanlines_aa_solid(clippingProxyGreen, ras, sl, FillColor);
// VertexSource.Ellipse eb = new AGG.VertexSource.Ellipse(Width / 2, Height / 2 + 50, 100, 100, 100);
// ras.add_path(eb);
// agg_renderer_scanline.Default.render_scanlines_aa_solid(clippingProxyBlue, ras, sl, FillColor);
//#endif
// }
}
public override void Draw(Painter p)
{
//specific for agg
#if DEBUG
//low-level scanline rasterizer example
if (p is PixelFarm.CpuBlit.AggPainter p2)
{
AggRenderSurface aggsx = p2.RenderSurface;
ScanlineRasterizer rasterizer = aggsx.ScanlineRasterizer;
var widgetsSubImage = PixelProcessing.BitmapBlenderExtension.CreateSubBitmapBlender(aggsx.DestBitmapBlender, aggsx.GetClippingRect());
aggsx.UseSubPixelLcdEffect = false;
PixelProcessing.PixelBlenderBGRA normalBlender = new PixelProcessing.PixelBlenderBGRA();
PixelProcessing.PixelBlenderBGRA gammaBlender = new PixelProcessing.PixelBlenderBGRA(); //TODO: revisit, and fix this again
gammaBlender.GammaValue = this.GammaValue;
gammaBlender.EnableGamma = true;
var rasterGamma = new PixelProcessing.SubBitmapBlender(widgetsSubImage, gammaBlender);
ClipProxyImage clippingProxyNormal = new ClipProxyImage(widgetsSubImage);
ClipProxyImage clippingProxyGamma = new ClipProxyImage(rasterGamma);
clippingProxyNormal.Clear(Color.White);
ScanlineUnpacked8 sl = new ScanlineUnpacked8();
int size_mul = (int)this.PixelSize;
CustomScanlineRasToBmp_EnlargedSubPixelRendering ren_en = new CustomScanlineRasToBmp_EnlargedSubPixelRendering(size_mul, aggsx.DestBitmap);
rasterizer.Reset();
rasterizer.dbugDevMoveTo(_x[0] / size_mul, _y[0] / size_mul);
rasterizer.dbugDevLineTo(_x[1] / size_mul, _y[1] / size_mul);
rasterizer.dbugDevLineTo(_x[2] / size_mul, _y[2] / size_mul);
ren_en.RenderWithColor(clippingProxyGamma, rasterizer, sl, Color.Black);
//----------------------------------------
DestBitmapRasterizer sclineRasToBmp = aggsx.BitmapRasterizer;
aggsx.UseSubPixelLcdEffect = false;
sclineRasToBmp.RenderWithColor(clippingProxyGamma, rasterizer, sl, Color.Black);
rasterizer.ResetGamma(new GammaNone());
aggsx.UseSubPixelLcdEffect = false;
//----------------------------------------
using (Tools.BorrowVxs(out var v1, out var v2))
using (Tools.BorrowPathWriter(v1, out PathWriter ps))
{
ps.Clear();
ps.MoveTo(_x[0], _y[0]);
ps.LineTo(_x[1], _y[1]);
ps.LineTo(_x[2], _y[2]);
ps.LineTo(_x[0], _y[0]);
rasterizer.AddPath(_stroke.MakeVxs(v1, v2));
}
//----------------------------------------
//Stroke stroke = new Stroke(ps);
//stroke.Width = 2;
//rasterizer.AddPath(stroke.MakeVxs(ps.MakeVxs()));
//----------------------------------------
sclineRasToBmp.RenderWithColor(clippingProxyNormal, rasterizer, sl, new Color(200, 0, 150, 160));
}
#endif
}
