public void Paint(Painter p, Bilinear tx)
{
//in this version, I can't apply bilinear tx to current tx matrix
using (VgPaintArgsPool.Borrow(p, out var paintArgs))
{
paintArgs.PaintVisitHandler = (vxs, painterA) =>
{
//use external painter handler
//draw only outline with its fill-color.
Drawing.Painter m_painter = painterA.P;
Drawing.Color prevFillColor = m_painter.FillColor;
m_painter.FillColor = m_painter.FillColor;
using (VxsTemp.Borrow(out var v1))
{
tx.TransformToVxs(vxs, v1);
m_painter.Fill(v1);
}
m_painter.FillColor = prevFillColor;
};
_vgVisElem.Paint(paintArgs);
}
}
public void Paint(Painter p)
{
using (VgPaintArgsPool.Borrow(p, out var paintArgs))
{
paintArgs._currentTx = _currentTx;
_vgVisElem.Paint(paintArgs);
}
}
MemBitmap ParseAndRenderSvg(System.Text.StringBuilder svgContent)
{
//----------
//copy from HtmlRenderer's SvgViewer demo
//----------
var docBuilder = new VgDocBuilder();
var parser = new SvgParser(docBuilder);
TextSnapshot textSnapshot = new TextSnapshot(svgContent.ToString());
parser.ParseDocument(textSnapshot);
VgVisualDocBuilder builder = new VgVisualDocBuilder();
VgVisualElement vgVisElem = builder.CreateVgVisualDoc(docBuilder.ResultDocument, _vgDocHost).VgRootElem;
RectD bounds = vgVisElem.GetRectBounds();
float actualXOffset = (float)-bounds.Left;
float actualYOffset = (float)-bounds.Bottom;
int bmpW = (int)Math.Round(bounds.Width);
int bmpH = (int)Math.Round(bounds.Height);
if (bmpW == 0 || bmpH == 0)
{
return(null);
}
MemBitmap memBitmap = new MemBitmap(bmpW, bmpH);
using (AggPainterPool.Borrow(memBitmap, out AggPainter p))
using (VgPaintArgsPool.Borrow(p, out VgPaintArgs paintArgs))
{
float orgX = p.OriginX;
float orgY = p.OriginY;
p.SetOrigin(actualXOffset, actualYOffset);
p.Clear(PixelFarm.Drawing.Color.White);
p.FillColor = PixelFarm.Drawing.Color.Black;
double prevStrokeW = p.StrokeWidth;
vgVisElem.Paint(paintArgs);
p.StrokeWidth = prevStrokeW; //restore
p.SetOrigin(orgX, orgY); //restore
}
return(memBitmap);
}
PixelFarm.CpuBlit.MemBitmap CreateBitmap(VgVisualElement renderVx, int reqW, int reqH)
{
PixelFarm.CpuBlit.RectD bound = renderVx.GetRectBounds();
//create
PixelFarm.CpuBlit.MemBitmap backingBmp = new PixelFarm.CpuBlit.MemBitmap((int)bound.Width + 10, (int)bound.Height + 10);
#if DEBUG
backingBmp._dbugNote = "renderVx";
#endif
//PixelFarm.CpuBlit.AggPainter painter = PixelFarm.CpuBlit.AggPainter.Create(backingBmp);
using (PixelFarm.CpuBlit.AggPainterPool.Borrow(backingBmp, out PixelFarm.CpuBlit.AggPainter painter))
using (VgPaintArgsPool.Borrow(painter, out VgPaintArgs paintArgs))
{
double prevStrokeW = painter.StrokeWidth;
renderVx.Paint(paintArgs);
painter.StrokeWidth = prevStrokeW;//restore
}
return(backingBmp);
}
public void Paint(Painter p, ICoordTransformer tx)
{
//TODO: implement this...
//use prefix command for render vx
//------
using (VgPaintArgsPool.Borrow(p, out var paintArgs))
{
paintArgs._currentTx = tx;
paintArgs.PaintVisitHandler = (vxs, arg) =>
{
//use external painter handler
//draw only outline with its fill-color.
Drawing.Painter m_painter = arg.P;
Drawing.Color prevFillColor = m_painter.FillColor;
m_painter.FillColor = m_painter.FillColor;
m_painter.Fill(vxs);
m_painter.FillColor = prevFillColor;
};
_vgVisElem.Paint(paintArgs);
}
}
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();
}
}
}
protected override void PaintImp(PaintVisitor p)
{
#if DEBUG
p.dbugEnterNewContext(this, PaintVisitor.PaintVisitorContextName.Init);
#endif
DrawBoard drawBoard = p.InnerDrawBoard;
if (DisableBmpCache)
{
PixelFarm.CpuBlit.AggPainter painter = drawBoard.GetPainter() as PixelFarm.CpuBlit.AggPainter;
if (painter == null)
{
return;
}
//TODO: review here
//temp fix
if (s_openfontTextService == null)
{
s_openfontTextService = new OpenFontTextService();
}
//painter.CurrentFont = new RequestFont("tahoma", 14);
//var textPrinter = new PixelFarm.Drawing.Fonts.VxsTextPrinter(painter, s_openfontTextService);
//painter.TextPrinter = textPrinter;
//painter.Clear(Color.White);
//
double prevStrokeW = painter.StrokeWidth;
//Color fillColor = painter.FillColor;
//painter.StrokeWidth = 1;//default
//painter.FillColor = Color.Black;
using (VgPaintArgsPool.Borrow(painter, out var paintArgs))
{
if (_vgVisualElem.CoordTx != null)
{
}
_vgVisualElem.Paint(paintArgs);
}
painter.StrokeWidth = prevStrokeW;//restore
//painter.FillColor = fillColor;////restore
return;
}
if (_vgVisualElem.HasBitmapSnapshot)
{
Image backimg = _vgVisualElem.BackingImage;
drawBoard.DrawImage(backimg, new RectangleF(0, 0, backimg.Width, backimg.Height));
}
else
{
PixelFarm.CpuBlit.RectD bound = _vgVisualElem.GetRectBounds();
//create
PixelFarm.CpuBlit.MemBitmap backimg = new PixelFarm.CpuBlit.MemBitmap((int)bound.Width + 10, (int)bound.Height + 10);
#if DEBUG
backimg._dbugNote = "cssBoxSvgRoot";
#endif
PixelFarm.CpuBlit.AggPainter painter = PixelFarm.CpuBlit.AggPainter.Create(backimg);
//TODO: review here
//temp fix
if (s_openfontTextService == null)
{
s_openfontTextService = new OpenFontTextService();
}
//
double prevStrokeW = painter.StrokeWidth;
using (VgPaintArgsPool.Borrow(painter, out VgPaintArgs paintArgs))
{
if (_vgVisualElem.CoordTx != null)
{
}
_vgVisualElem.Paint(paintArgs);
}
painter.StrokeWidth = prevStrokeW;//restore
//painter.FillColor = fillColor;////restore
#if DEBUG
//test
//PixelFarm.CpuBlit.Imaging.PngImageWriter.dbugSaveToPngFile(backimg, "d:\\WImageTest\\subimg1.png");
#endif
_vgVisualElem.SetBitmapSnapshot(backimg, true);
drawBoard.DrawImage(backimg, new RectangleF(0, 0, backimg.Width, backimg.Height));
}
}