void generate_alpha_mask(ScanlineRasToDestBitmapRenderer sclineRasToBmp, ScanlinePacked8 sclnPack, ScanlineRasterizer rasterizer, int width, int height)
{
//create 1 8-bits chanel (grayscale8) bmp
alphaBitmap = new ActualImage(width, height, PixelFormat.GrayScale8);
var bmpReaderWrtier = new MyImageReaderWriter();
bmpReaderWrtier.ReloadImage(alphaBitmap);
alphaMaskImageBuffer = new SubImageRW(bmpReaderWrtier, new PixelBlenderGray(1));
//create mask from alpahMaskImageBuffer
alphaMask = new AlphaMaskByteClipped(alphaMaskImageBuffer, 1, 0);
#if USE_CLIPPING_ALPHA_MASK
//alphaMaskImageBuffer.AttachBuffer(alphaBitmap.GetBuffer(), 20 * width + 20, width - 40, height - 40, width, 8, 1);
#else
alphaMaskImageBuffer.attach(alphaByteArray, (int)cx, (int)cy, cx, 1);
#endif
var image = new SubImageRW(alphaMaskImageBuffer, new PixelBlenderGray(1), 1, 0, 8);
ClipProxyImage clippingProxy = new ClipProxyImage(image);
clippingProxy.Clear(Drawing.Color.Black);
VertexSource.Ellipse ellipseForMask = new PixelFarm.Agg.VertexSource.Ellipse();
System.Random randGenerator = new Random(1432);
int i;
int num = (int)maskAlphaSliderValue;
VectorToolBox.GetFreeVxs(out var v1);
for (i = 0; i < num; i++)
{
if (i == num - 1)
{
//for the last one
ellipseForMask.Reset(Width / 2, Height / 2, 110, 110, 100);
rasterizer.AddPath(ellipseForMask.MakeVertexSnap(v1));
v1.Clear();
sclineRasToBmp.RenderWithColor(clippingProxy, rasterizer, sclnPack, new Color(255, 0, 0, 0));
ellipseForMask.Reset(ellipseForMask.originX, ellipseForMask.originY, ellipseForMask.radiusX - 10, ellipseForMask.radiusY - 10, 100);
rasterizer.AddPath(ellipseForMask.MakeVertexSnap(v1));
v1.Clear();
sclineRasToBmp.RenderWithColor(clippingProxy, rasterizer, sclnPack, new Color(255, 255, 0, 0));
}
else
{
ellipseForMask.Reset(randGenerator.Next() % width,
randGenerator.Next() % height,
randGenerator.Next() % 100 + 20,
randGenerator.Next() % 100 + 20,
100);
// set the color to draw into the alpha channel.
// there is not very much reason to set the alpha as you will get the amount of
// transparency based on the color you draw. (you might want some type of different edeg effect but it will be minor).
rasterizer.AddPath(ellipseForMask.MakeVxs(v1));
v1.Clear();
sclineRasToBmp.RenderWithColor(clippingProxy, rasterizer, sclnPack,
ColorEx.Make((int)((float)i / (float)num * 255), 0, 0, 255));
}
}
VectorToolBox.ReleaseVxs(ref v1);
}
/// <summary>
/// fill vertex store, we do NOT store snap
/// </summary>
/// <param name="vxs"></param>
/// <param name="c"></param>
public override void Fill(VertexStoreSnap snap)
{
//BitmapExt
if (this._renderQuality == RenderQualtity.Fast)
{
FillWithBxt(snap);
return;
}
//Agg
sclineRas.AddPath(snap);
_bmpRasterizer.RenderWithColor(this._aggsx.DestImage, sclineRas, scline, fillColor);
}
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 override void Draw(Painter p)
{
//specific for agg
if (p is PixelFarm.Agg.AggPainter)
{
var p2 = (PixelFarm.Agg.AggPainter)p;
AggRenderSurface aggsx = p2.RenderSurface;
ScanlineRasterizer rasterizer = aggsx.ScanlineRasterizer;
var widgetsSubImage = ImageHelper.CreateSubImgRW(aggsx.DestImage, aggsx.GetClippingRect());
aggsx.UseSubPixelRendering = false;
PixelBlenderBGRA normalBlender = new PixelBlenderBGRA();
PixelBlenderBGRA gammaBlender = new PixelBlenderBGRA(); //TODO: revisit, and fix this again
gammaBlender.GammaValue = this.GammaValue;
gammaBlender.EnableGamma = true;
var rasterGamma = new SubImageRW(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.DestActualImage);
rasterizer.Reset();
rasterizer.MoveTo(m_x[0] / size_mul, m_y[0] / size_mul);
rasterizer.LineTo(m_x[1] / size_mul, m_y[1] / size_mul);
rasterizer.LineTo(m_x[2] / size_mul, m_y[2] / size_mul);
ren_en.RenderWithColor(clippingProxyGamma, rasterizer, sl, Color.Black);
//----------------------------------------
ScanlineRasToDestBitmapRenderer sclineRasToBmp = aggsx.ScanlineRasToDestBitmap;
aggsx.UseSubPixelRendering = false;
sclineRasToBmp.RenderWithColor(clippingProxyGamma, rasterizer, sl, Color.Black);
rasterizer.ResetGamma(new GammaNone());
aggsx.UseSubPixelRendering = false;
//----------------------------------------
PathWriter ps = new PathWriter();
ps.Clear();
ps.MoveTo(m_x[0], m_y[0]);
ps.LineTo(m_x[1], m_y[1]);
ps.LineTo(m_x[2], m_y[2]);
ps.LineTo(m_x[0], m_y[0]);
//----------------------------------------
//Stroke stroke = new Stroke(ps);
//stroke.Width = 2;
//rasterizer.AddPath(stroke.MakeVxs(ps.MakeVxs()));
VectorToolBox.GetFreeVxs(out var v1);
rasterizer.AddPath(stroke.MakeVxs(ps.Vxs, v1));
VectorToolBox.ReleaseVxs(ref v1);
//----------------------------------------
sclineRasToBmp.RenderWithColor(clippingProxyNormal, rasterizer, sl, new Color(200, 0, 150, 160));
}
}
public static void RenderSolidAllPaths(this ScanlineRasToDestBitmapRenderer sclineRasToBmp,
IImageReaderWriter destImage,
ScanlineRasterizer sclineRas,
Scanline scline,
VertexStore vxs,
Drawing.Color[] colors,
int[] path_id,
int num_paths)
{
for (int i = 0; i < num_paths; ++i)
{
sclineRas.Reset();
sclineRas.AddPath(new VertexStoreSnap(vxs, path_id[i]));
sclineRasToBmp.RenderWithColor(destImage, sclineRas, scline, colors[i]);
}
}
public static void RenderSolidAllPaths(this ScanlineRasToDestBitmapRenderer sclineRasToBmp,
IImageReaderWriter destImage,
ScanlineRasterizer sclineRas,
Scanline scline,
VertexStore vxs,
Drawing.Color[] colors,
int[] path_id,
int num_paths)
{
for (int i = 0; i < num_paths; ++i)
{
sclineRas.Reset();
sclineRas.AddPath(new VertexStoreSnap(vxs, path_id[i]));
sclineRasToBmp.RenderWithColor(destImage, sclineRas, scline, colors[i]);
}
}
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 override void Draw(Painter p)
{
//this specific for agg
if (p is AggPainter)
{
AggPainter p2 = (AggPainter)p;
AggRenderSurface aggsx = p2.RenderSurface;
SubImageRW subImg = ImageHelper.CreateSubImgRW(aggsx.DestImage, aggsx.GetClippingRect());
//TODO: review here again
PixelBlenderBGRA blenderWithGamma = new PixelBlenderBGRA();
SubImageRW rasterGamma = new SubImageRW(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 CustomScanlineRasToBmp_EnlargedV2(size_mul, aggsx.DestActualImage);
rasterizer.Reset();
rasterizer.MoveTo(m_x[0] / size_mul, m_y[0] / size_mul);
rasterizer.LineTo(m_x[1] / size_mul, m_y[1] / size_mul);
rasterizer.LineTo(m_x[2] / size_mul, m_y[2] / size_mul);
sclineToBmpEn2.RenderWithColor(clippingProxyGamma, rasterizer, sl, Color.Black);
ScanlineRasToDestBitmapRenderer sclineRasToBmp = aggsx.ScanlineRasToDestBitmap;
sclineRasToBmp.RenderWithColor(clippingProxyGamma, rasterizer, sl, Color.Black);
//-----------------------------------------------------------------------------------------------------------
rasterizer.ResetGamma(new GammaNone());
PathWriter ps = new PathWriter();
ps.Clear();
ps.MoveTo(m_x[0], m_y[0]);
ps.LineTo(m_x[1], m_y[1]);
ps.LineTo(m_x[2], m_y[2]);
ps.LineTo(m_x[0], m_y[0]);
VectorToolBox.GetFreeVxs(out var v1);
rasterizer.AddPath((new Stroke(2)).MakeVxs(ps.Vxs, v1));
sclineRasToBmp.RenderWithColor(clippingProxyNormal, rasterizer, sl, new Color(200, 0, 150, 160));
VectorToolBox.ReleaseVxs(ref v1);
}
}
void DrawAsScanline(ClipProxyImage imageClippingProxy,
AggRenderSurface aggsx,
ScanlineRasterizer rasterizer,
ScanlineRasToDestBitmapRenderer sclineRasToBmp)
{
SvgRenderVx renderVx = lionShape.GetRenderVx();
int num_paths = renderVx.SvgVxCount;
for (int i = 0; i < num_paths; ++i)
{
rasterizer.Reset();
SvgPart svgPart = renderVx.GetInnerVx(i);
switch (svgPart.Kind)
{
case SvgRenderVxKind.Path:
{
rasterizer.AddPath(new PixelFarm.Drawing.VertexStoreSnap(svgPart.GetVxs(), 0));
sclineRasToBmp.RenderWithColor(imageClippingProxy, rasterizer, aggsx.ScanlinePacked8, new Drawing.Color(255, 0, 0));
}
break;
}
}
}
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 Render(PixelFarm.Drawing.Painter p)
{
int strokeWidth = 1;
int width = p.Width;
int height = p.Height;
Affine affTx = Affine.NewMatix(
AffinePlan.Translate(-_spriteShape.Center.x, -_spriteShape.Center.y),
AffinePlan.Scale(_spriteScale, _spriteScale),
AffinePlan.Rotate(_angle + Math.PI),
AffinePlan.Skew(_skewX / 1000.0, _skewY / 1000.0),
AffinePlan.Translate(width / 2, height / 2));
var p1 = p as AggPainter;
if (p1 == null)
{
//TODO: review here
_spriteShape.Paint(p, affTx);
//int j = lionShape.NumPaths;
//int[] pathList = lionShape.PathIndexList;
//Drawing.Color[] colors = lionShape.Colors;
////graphics2D.UseSubPixelRendering = true;
//var vxs = GetFreeVxs();
//affTx.TransformToVxs(lionShape.Vxs, vxs);
//p.StrokeWidth = 1;
//for (int i = 0; i < j; ++i)
//{
// p.StrokeColor = colors[i];
// p.Draw(new PixelFarm.Drawing.VertexStoreSnap(vxs, pathList[i]));
//}
////not agg
//Release(ref vxs);
//return; //**
}
if (UseBitmapExt)
{
p.RenderQuality = Drawing.RenderQuality.Fast;
p.Clear(Drawing.Color.White);
p.StrokeWidth = 1;
//-------------------------
_spriteShape.DrawOutline(p);
}
else
{
p.RenderQuality = Drawing.RenderQuality.HighQuality;
}
//-----------------------
AggRenderSurface aggsx = p1.RenderSurface;
//-----------------------
//TODO: make this reusable ...
//
SubBitmapBlender widgetsSubImage = BitmapBlenderExtension.CreateSubBitmapBlender(aggsx.DestBitmapBlender, aggsx.GetClippingRect());
SubBitmapBlender clippedSubImage = new SubBitmapBlender(widgetsSubImage, new PixelBlenderBGRA());
ClipProxyImage imageClippingProxy = new ClipProxyImage(clippedSubImage);
imageClippingProxy.Clear(PixelFarm.Drawing.Color.White);
AggPainter aggPainter = (AggPainter)p;
if (RenderAsScanline)
{
//a low-level example, expose scanline rasterizer
ScanlineRasterizer rasterizer = aggsx.ScanlineRasterizer;
rasterizer.SetClipBox(0, 0, width, height);
//lionShape.ApplyTransform(affTx);
//---------------------
using (VgPaintArgsPool.Borrow(aggPainter, out VgPaintArgs paintArgs))
{
paintArgs._currentTx = affTx;
paintArgs.PaintVisitHandler = (vxs, painterA) =>
{
//use external painter handler
//draw only outline with its fill-color.
rasterizer.Reset();
rasterizer.AddPath(vxs);
aggsx.BitmapRasterizer.RenderWithColor(
imageClippingProxy, rasterizer,
aggsx.ScanlinePacked8,
aggPainter.FillColor); //draw line with external drawing handler
};
_spriteShape.Paint(paintArgs);
}
//----------------------------
//lionShape.ResetTransform();
}
else
{
if (UseBuiltInAggOutlineAATech)
{
aggPainter.StrokeWidth = 1;
aggPainter.LineRenderingTech = AggPainter.LineRenderingTechnique.OutlineAARenderer;
//------
using (VgPaintArgsPool.Borrow(aggPainter, out VgPaintArgs paintArgs))
{
paintArgs._currentTx = affTx;
paintArgs.PaintVisitHandler = (vxs, painterA) =>
{
//use external painter handler
//draw only outline with its fill-color.
Drawing.Painter m_painter = paintArgs.P;
Drawing.Color prevStrokeColor = m_painter.StrokeColor;
m_painter.StrokeColor = m_painter.FillColor;
m_painter.Draw(vxs);
m_painter.StrokeColor = prevStrokeColor;
};
_spriteShape.Paint(paintArgs);
}
}
else
{
//low-level implementation
aggPainter.StrokeWidth = 1;
//-------------------------
//Draw with LineProfile:
//LineProfileAnitAlias lineProfile = new LineProfileAnitAlias(strokeWidth * affTx.GetScale(), new GammaNone()); //with gamma
LineProfileAnitAlias lineProfile = new LineProfileAnitAlias(strokeWidth * affTx.GetScale(), null);
OutlineRenderer outlineRenderer = new OutlineRenderer(imageClippingProxy, new PixelBlenderBGRA(), lineProfile);
outlineRenderer.SetClipBox(0, 0, this.Width, this.Height);
OutlineAARasterizer rasterizer = new OutlineAARasterizer(outlineRenderer);
rasterizer.LineJoin = (RenderAccurateJoins ?
OutlineAARasterizer.OutlineJoin.AccurateJoin
: OutlineAARasterizer.OutlineJoin.Round);
rasterizer.RoundCap = true;
//lionShape.ApplyTransform(affTx);
//----------------------------
using (VgPaintArgsPool.Borrow(aggPainter, out VgPaintArgs paintArgs))
{
paintArgs._currentTx = affTx;
paintArgs.PaintVisitHandler = (vxs, painterA) =>
{
//use external painter handler
//draw only outline with its fill-color.
rasterizer.RenderVertexSnap(
vxs,
painterA.P.FillColor);
};
_spriteShape.Paint(paintArgs);
}
//----------------------------
//lionShape.ResetTransform();
}
}
}
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
}