Ejemplo n.º 1
0
 public static float ConvertToPx(CssLength length, ref ReEvaluateArgs args)
 {
     //Return zero if no length specified, zero specified      
     switch (length.UnitOrNames)
     {
         case CssUnitOrNames.EmptyValue:
             return 0;
         case CssUnitOrNames.Percent:
             return (length.Number / 100f) * args.containerW;
         case CssUnitOrNames.Ems:
             return length.Number * args.emHeight;
         case CssUnitOrNames.Ex:
             return length.Number * (args.emHeight / 2);
         case CssUnitOrNames.Pixels:
             //atodo: check support for hi dpi
             return length.Number;
         case CssUnitOrNames.Milimeters:
             return length.Number * 3.779527559f; //3 pixels per millimeter      
         case CssUnitOrNames.Centimeters:
             return length.Number * 37.795275591f; //37 pixels per centimeter 
         case CssUnitOrNames.Inches:
             return length.Number * 96f; //96 pixels per inch 
         case CssUnitOrNames.Points:
             return length.Number * (96f / 72f); // 1 point = 1/72 of inch   
         case CssUnitOrNames.Picas:
             return length.Number * 16f; // 1 pica = 12 points 
         default:
             return 0;
     }
 }
Ejemplo n.º 2
0
        //----------------------------
        public override void ReEvaluateComputeValue(ref ReEvaluateArgs args)
        {
            var myspec = this.spec;

            this.fillColor   = myspec.ActualColor;
            this.strokeColor = myspec.StrokeColor;

            this.ActualX           = ConvertToPx(myspec.X, ref args);
            this.ActualY           = ConvertToPx(myspec.Y, ref args);
            this.ActualRadiusX     = ConvertToPx(myspec.RadiusX, ref args);
            this.ActualRadiusY     = ConvertToPx(myspec.RadiusY, ref args);
            this.ActualStrokeWidth = ConvertToPx(myspec.StrokeWidth, ref args);

            //path may note need
            if (this.IsPathValid)
            {
                return;
            }
            ClearCachePath();
            this.myCachedPath = args.graphicsPlatform.CreateGraphicsPath();
            myCachedPath.StartFigure();
            myCachedPath.AddEllipse(this.ActualX - this.ActualRadiusX, this.ActualY - this.ActualRadiusY, 2 * this.ActualRadiusX, 2 * this.ActualRadiusY);
            myCachedPath.CloseFigure();

            ValidatePath();
        }
Ejemplo n.º 3
0
        public override void ReEvaluateComputeValue(ref ReEvaluateArgs args)
        {
            var myspec = this.spec;

            this.fillColor         = myspec.ActualColor;
            this.strokeColor       = myspec.StrokeColor;
            this.ActualStrokeWidth = ConvertToPx(myspec.StrokeWidth, ref args);
            this.pointList         = spec.Points.ToArray();
            if (this.IsPathValid)
            {
                return;
            }
            ClearCachePath();
            this.myCachedPath = new GraphicsPath();
            PointF[] plist = this.pointList;
            int      lim   = plist.Length - 1;

            for (int i = 0; i < lim; ++i)
            {
                //p1,p2
                myCachedPath.AddLine(
                    plist[i],
                    plist[i + 1]);
            }
            ValidatePath();
        }
Ejemplo n.º 4
0
        public override void CustomRecomputedValue(CssBox containingBlock)
        {
            var svgElement = this.SvgSpec;
            //recompute value if need  
            var cnode = svgElement.GetFirstNode();
            ReEvaluateArgs reEvalArgs = new ReEvaluateArgs(
                containingBlock.VisualWidth,
                100,
                containingBlock.GetEmHeight());
            while (cnode != null)
            {
                cnode.Value.ReEvaluateComputeValue(ref reEvalArgs);
                cnode = cnode.Next;
            }

            this.SetVisualSize(500, 500);
        }
Ejemplo n.º 5
0
        //----------------------------
        public override void ReEvaluateComputeValue(ref ReEvaluateArgs args)
        {
            var myspec = this.rectSpec;

            this.fillColor   = myspec.ActualColor;
            this.strokeColor = myspec.StrokeColor;

            this.ActualX           = ConvertToPx(myspec.X, ref args);
            this.ActualY           = ConvertToPx(myspec.Y, ref args);
            this.ActualWidth       = ConvertToPx(myspec.Width, ref args);
            this.ActualHeight      = ConvertToPx(myspec.Height, ref args);
            this.ActualStrokeWidth = ConvertToPx(myspec.StrokeWidth, ref args);
            this.ActualCornerX     = ConvertToPx(myspec.CornerRadiusX, ref args);
            this.ActualCornerY     = ConvertToPx(myspec.CornerRadiusY, ref args);

            //update graphic path

            if (this.IsPathValid)
            {
                return;
            }

            ClearCachePath();

            if (this.ActualCornerX == 0 && this.ActualCornerY == 0)
            {
                this.myCachedPath = CreateRectGraphicPath(
                    args.graphicsPlatform,
                    this.ActualX,
                    this.ActualY,
                    this.ActualWidth,
                    this.ActualHeight);
            }
            else
            {
                this.myCachedPath = CreateRoundRectGraphicPath(
                    args.graphicsPlatform,
                    this.ActualX,
                    this.ActualY,
                    this.ActualWidth,
                    this.ActualHeight,
                    this.ActualCornerX,
                    this.ActualCornerY);
            }
            ValidatePath();
        }
Ejemplo n.º 6
0
 public override void ReEvaluateComputeValue(ref ReEvaluateArgs args)
 {
     var myspec = this.imageSpec;
     this.fillColor = myspec.ActualColor;
     this.strokeColor = myspec.StrokeColor;
     this.ActualX = ConvertToPx(myspec.X, ref args);
     this.ActualY = ConvertToPx(myspec.Y, ref args);
     this.ActualWidth = ConvertToPx(myspec.Width, ref args);
     this.ActualHeight = ConvertToPx(myspec.Height, ref args);
     this.ActualStrokeWidth = ConvertToPx(myspec.StrokeWidth, ref args);
     this._path = CreateRectGraphicPath( 
             this.ActualX,
             this.ActualY,
             this.ActualWidth,
             this.ActualHeight);
     if (this._imgRun.ImageBinder == null)
     {
         this._imgRun.ImageBinder = new SvgImageBinder(myspec.ImageSrc);
     }
     ValidatePath();
 }
Ejemplo n.º 7
0
        public static float ConvertToPx(CssLength length, ref ReEvaluateArgs args)
        {
            //Return zero if no length specified, zero specified
            switch (length.UnitOrNames)
            {
            case CssUnitOrNames.EmptyValue:
                return(0);

            case CssUnitOrNames.Percent:
                return((length.Number / 100f) * args.containerW);

            case CssUnitOrNames.Ems:
                return(length.Number * args.emHeight);

            case CssUnitOrNames.Ex:
                return(length.Number * (args.emHeight / 2));

            case CssUnitOrNames.Pixels:
                //atodo: check support for hi dpi
                return(length.Number);

            case CssUnitOrNames.Milimeters:
                return(length.Number * 3.779527559f);    //3 pixels per millimeter

            case CssUnitOrNames.Centimeters:
                return(length.Number * 37.795275591f);    //37 pixels per centimeter

            case CssUnitOrNames.Inches:
                return(length.Number * 96f);    //96 pixels per inch

            case CssUnitOrNames.Points:
                return(length.Number * (96f / 72f));    // 1 point = 1/72 of inch

            case CssUnitOrNames.Picas:
                return(length.Number * 16f);    // 1 pica = 12 points

            default:
                return(0);
            }
        }
Ejemplo n.º 8
0
        //----------------------------
        public override void ReEvaluateComputeValue(ref ReEvaluateArgs args)
        {
            var myspec = this.spec;

            this.fillColor         = myspec.ActualColor;
            this.strokeColor       = myspec.StrokeColor;
            this.ActualX           = ConvertToPx(myspec.X, ref args);
            this.ActualY           = ConvertToPx(myspec.Y, ref args);
            this.ActualRadius      = ConvertToPx(myspec.Radius, ref args);
            this.ActualStrokeWidth = ConvertToPx(myspec.StrokeWidth, ref args);
            //create new path
            if (this.IsPathValid)
            {
                return;
            }
            ClearCachePath();
            myCachedPath = new GraphicsPath();
            myCachedPath.StartFigure();
            myCachedPath.AddEllipse(this.ActualX - this.ActualRadius, this.ActualY - this.ActualRadius, 2 * this.ActualRadius, 2 * ActualRadius);
            myCachedPath.CloseFigure();
            ValidatePath();
        }
Ejemplo n.º 9
0
        //----------------------------
        public override void ReEvaluateComputeValue(ref ReEvaluateArgs args)
        {
            var myspec = this.rectSpec;
            this.fillColor = myspec.ActualColor;
            this.strokeColor = myspec.StrokeColor;
            this.ActualX = ConvertToPx(myspec.X, ref args);
            this.ActualY = ConvertToPx(myspec.Y, ref args);
            this.ActualWidth = ConvertToPx(myspec.Width, ref args);
            this.ActualHeight = ConvertToPx(myspec.Height, ref args);
            this.ActualStrokeWidth = ConvertToPx(myspec.StrokeWidth, ref args);
            this.ActualCornerX = ConvertToPx(myspec.CornerRadiusX, ref args);
            this.ActualCornerY = ConvertToPx(myspec.CornerRadiusY, ref args);
            //update graphic path

            if (this.IsPathValid) { return; }

            ClearCachePath();
            if (this.ActualCornerX == 0 && this.ActualCornerY == 0)
            {
                this.myCachedPath = CreateRectGraphicPath( 
                    this.ActualX,
                    this.ActualY,
                    this.ActualWidth,
                    this.ActualHeight);
            }
            else
            {
                this.myCachedPath = CreateRoundRectGraphicPath( 
                    this.ActualX,
                    this.ActualY,
                    this.ActualWidth,
                    this.ActualHeight,
                    this.ActualCornerX,
                    this.ActualCornerY);
            }
            ValidatePath();
        }
Ejemplo n.º 10
0
 public virtual void ReEvaluateComputeValue(ref ReEvaluateArgs args)
 {
 }
Ejemplo n.º 11
0
        public override void ReEvaluateComputeValue(ref ReEvaluateArgs args)
        {
            var myspec = this.spec;

            this.fillColor         = myspec.ActualColor;
            this.strokeColor       = myspec.StrokeColor;
            this.ActualStrokeWidth = ConvertToPx(myspec.StrokeWidth, ref args);
            if (this.IsPathValid)
            {
                return;
            }
            ClearCachePath();
            if (segments == null)
            {
                this.myCachedPath = null;
            }
            else
            {
                List <SvgPathSeg> segs = this.segments;
                int          segcount  = segs.Count;
                GraphicsPath gpath     = this.myCachedPath = new GraphicsPath();
                float        lastMoveX = 0;
                float        lastMoveY = 0;
                PointF       lastPoint = new PointF();
                PointF       p2        = new PointF(); //curve control point
                PointF       p3        = new PointF(); //curve control point
                PointF       intm_c3_c = new PointF();
                for (int i = 0; i < segcount; ++i)
                {
                    SvgPathSeg seg = segs[i];
                    switch (seg.Command)
                    {
                    case SvgPathCommand.ZClosePath:
                    {
                        gpath.CloseFigure();
                    }
                    break;

                    case SvgPathCommand.MoveTo:
                    {
                        var    moveTo = (SvgPathSegMoveTo)seg;
                        PointF moveToPoint;
                        moveTo.GetAbsolutePoints(ref lastPoint, out moveToPoint);
                        lastPoint = moveToPoint;
                        gpath.StartFigure();
                        lastMoveX = lastPoint.X;
                        lastMoveY = lastPoint.Y;
                    }
                    break;

                    case SvgPathCommand.LineTo:
                    {
                        var    lineTo = (SvgPathSegLineTo)seg;
                        PointF lineToPoint;
                        lineTo.GetAbsolutePoints(ref lastPoint, out lineToPoint);
                        gpath.AddLine(lastPoint, lineToPoint);
                        lastPoint = lineToPoint;
                    }
                    break;

                    case SvgPathCommand.HorizontalLineTo:
                    {
                        var    hlintTo = (SvgPathSegLineToHorizontal)seg;
                        PointF lineToPoint;
                        hlintTo.GetAbsolutePoints(ref lastPoint, out lineToPoint);
                        gpath.AddLine(lastPoint, lineToPoint);
                        lastPoint = lineToPoint;
                    }
                    break;

                    case SvgPathCommand.VerticalLineTo:
                    {
                        var    vlineTo = (SvgPathSegLineToVertical)seg;
                        PointF lineToPoint;
                        vlineTo.GetAbsolutePoints(ref lastPoint, out lineToPoint);
                        gpath.AddLine(lastPoint, lineToPoint);
                        lastPoint = lineToPoint;
                    }
                    break;

                    //---------------------------------------------------------------------------
                    //curve modes......
                    case SvgPathCommand.CurveTo:
                    {
                        //cubic curve to  (2 control points)
                        var    cubicCurve = (SvgPathSegCurveToCubic)seg;
                        PointF p;
                        cubicCurve.GetAbsolutePoints(ref lastPoint, out p2, out p3, out p);
                        gpath.AddBezierCurve(lastPoint, p2, p3, p);
                        lastPoint = p;
                    }
                    break;

                    case SvgPathCommand.QuadraticBezierCurve:
                    {
                        //quadratic curve (1 control point)
                        //auto calculate for c1,c2
                        var    quadCurve = (SvgPathSegCurveToQuadratic)seg;
                        PointF p;
                        quadCurve.GetAbsolutePoints(ref lastPoint, out intm_c3_c, out p);
                        SvgCurveHelper.Curve3GetControlPoints(lastPoint, intm_c3_c, p, out p2, out p3);
                        gpath.AddBezierCurve(lastPoint, p2, p3, p);
                        lastPoint = p;
                    }
                    break;

                    //------------------------------------------------------------------------------------
                    case SvgPathCommand.SmoothCurveTo:
                    {
                        //smooth cubic curve to
                        var    smthC4 = (SvgPathSegCurveToCubicSmooth)seg;
                        PointF c2, p;
                        smthC4.GetAbsolutePoints(ref lastPoint, out c2, out p);
                        //connect with prev segment
                        if (i > 0)
                        {
                            //------------------
                            //calculate p1 from  prev segment
                            //------------------
                            var prevSeg = segments[i - 1];
                            //check if prev is curve
                            switch (prevSeg.Command)
                            {
                            case SvgPathCommand.Arc:
                            case SvgPathCommand.CurveTo:
                            case SvgPathCommand.SmoothCurveTo:
                            case SvgPathCommand.QuadraticBezierCurve:
                            case SvgPathCommand.TSmoothQuadraticBezierCurveTo:

                                //make mirror point

                                p2 = SvgCurveHelper.CreateMirrorPoint(p3, lastPoint);
                                p3 = c2;
                                gpath.AddBezierCurve(lastPoint, p2, p3, p);
                                break;

                            default:

                                continue;
                            }
                        }

                        lastPoint = p;
                    }
                    break;

                    case SvgPathCommand.TSmoothQuadraticBezierCurveTo:
                    {
                        //curve 3
                        var    smtC3 = (SvgPathSegCurveToQuadraticSmooth)seg;
                        PointF p;
                        smtC3.GetAbsolutePoints(ref lastPoint, out p);
                        if (i > 0)
                        {
                            //------------------
                            //calculate p1 from  prev segment
                            //------------------
                            var prevSeg = segments[i - 1];
                            //check if prev is curve
                            switch (prevSeg.Command)
                            {
                            case SvgPathCommand.Arc:
                            case SvgPathCommand.CurveTo:
                            case SvgPathCommand.SmoothCurveTo:
                            {
                                PointF c = SvgCurveHelper.CreateMirrorPoint(p3, lastPoint);
                                SvgCurveHelper.Curve3GetControlPoints(lastPoint, c, p, out p2, out p3);
                                gpath.AddBezierCurve(lastPoint, p2, p3, p);
                                lastPoint = p;
                            }
                            break;

                            case SvgPathCommand.TSmoothQuadraticBezierCurveTo:
                            {
                                //make mirror point
                                PointF c = SvgCurveHelper.CreateMirrorPoint(intm_c3_c, lastPoint);
                                SvgCurveHelper.Curve3GetControlPoints(lastPoint, c, p, out p2, out p3);
                                gpath.AddBezierCurve(lastPoint, p2, p3, p);
                                lastPoint = p;
                                intm_c3_c = c;
                            }
                            break;

                            case SvgPathCommand.QuadraticBezierCurve:
                            {
                                PointF c = SvgCurveHelper.CreateMirrorPoint(intm_c3_c, lastPoint);
                                SvgCurveHelper.Curve3GetControlPoints(lastPoint, c, p, out p2, out p3);
                                gpath.AddBezierCurve(lastPoint, p2, p3, p);
                                lastPoint = p;
                                intm_c3_c = c;
                            }
                            break;

                            default:

                                continue;
                            }
                        }
                        lastPoint = p;
                    }
                    break;

                    case SvgPathCommand.Arc:
                    {
                        var    arcTo = (SvgPathSegArc)seg;
                        PointF p;
                        arcTo.GetAbsolutePoints(ref lastPoint, out p);
                        if (lastPoint.IsEq(p))
                        {
                            return;
                        }
                        if (arcTo.R1 == 0 && arcTo.R2 == 0)
                        {
                            gpath.AddLine(lastPoint, p);
                            lastPoint = p;
                            return;
                        }
                        PointF[] bz4Points;
                        SvgCurveHelper.MakeBezierCurveFromArc(
                            ref lastPoint,
                            ref p,
                            arcTo.R1,
                            arcTo.R2,
                            arcTo.Angle,
                            arcTo.LargeArgFlag,
                            arcTo.SweepFlag,
                            out bz4Points);
                        int j  = bz4Points.Length;
                        int nn = 0;
                        while (nn < j)
                        {
                            gpath.AddBezierCurve(
                                bz4Points[nn],
                                bz4Points[nn + 1],
                                bz4Points[nn + 2],
                                bz4Points[nn + 3]);
                            nn += 4;        //step 4 points
                        }
                        //set control points
                        p3        = bz4Points[nn - 2];
                        p2        = bz4Points[nn - 3];
                        lastPoint = p;
                        //---------------------------------------------
                    }
                    break;

                    default:
                        throw new NotSupportedException();
                    }
                }
            }

            ValidatePath();
        }
Ejemplo n.º 12
0
 //----------------------------
 public override void ReEvaluateComputeValue(ref ReEvaluateArgs args)
 {
     var myspec = this.spec;
     this.fillColor = myspec.ActualColor;
     this.strokeColor = myspec.StrokeColor;
     this.ActualX = ConvertToPx(myspec.X, ref args);
     this.ActualY = ConvertToPx(myspec.Y, ref args);
     this.ActualRadiusX = ConvertToPx(myspec.RadiusX, ref args);
     this.ActualRadiusY = ConvertToPx(myspec.RadiusY, ref args);
     this.ActualStrokeWidth = ConvertToPx(myspec.StrokeWidth, ref args);
     //path may note need
     if (this.IsPathValid) { return; }
     ClearCachePath();
     this.myCachedPath = new GraphicsPath();
     myCachedPath.StartFigure();
     myCachedPath.AddEllipse(this.ActualX - this.ActualRadiusX, this.ActualY - this.ActualRadiusY, 2 * this.ActualRadiusX, 2 * this.ActualRadiusY);
     myCachedPath.CloseFigure();
     ValidatePath();
 }
Ejemplo n.º 13
0
 public virtual void ReEvaluateComputeValue(ref ReEvaluateArgs args)
 {
 }
Ejemplo n.º 14
0
        public override void ReEvaluateComputeValue(ref ReEvaluateArgs args)
        {
            var myspec = this.spec;
            this.fillColor = myspec.ActualColor;
            this.strokeColor = myspec.StrokeColor;
            this.ActualStrokeWidth = ConvertToPx(myspec.StrokeWidth, ref args);
            if (this.IsPathValid) { return; }
            ClearCachePath();
            if (segments == null)
            {
                this.myCachedPath = null;
            }
            else
            {
                List<SvgPathSeg> segs = this.segments;
                int segcount = segs.Count;
                GraphicsPath gpath = this.myCachedPath = new GraphicsPath();
                float lastMoveX = 0;
                float lastMoveY = 0;
                PointF lastPoint = new PointF();
                PointF p2 = new PointF();//curve control point
                PointF p3 = new PointF();//curve control point
                PointF intm_c3_c = new PointF();
                for (int i = 0; i < segcount; ++i)
                {
                    SvgPathSeg seg = segs[i];
                    switch (seg.Command)
                    {
                        case SvgPathCommand.ZClosePath:
                            {
                                gpath.CloseFigure();
                            }
                            break;
                        case SvgPathCommand.MoveTo:
                            {
                                var moveTo = (SvgPathSegMoveTo)seg;
                                PointF moveToPoint;
                                moveTo.GetAbsolutePoints(ref lastPoint, out moveToPoint);
                                lastPoint = moveToPoint;
                                gpath.StartFigure();
                                lastMoveX = lastPoint.X;
                                lastMoveY = lastPoint.Y;
                            }
                            break;
                        case SvgPathCommand.LineTo:
                            {
                                var lineTo = (SvgPathSegLineTo)seg;
                                PointF lineToPoint;
                                lineTo.GetAbsolutePoints(ref lastPoint, out lineToPoint);
                                gpath.AddLine(lastPoint, lineToPoint);
                                lastPoint = lineToPoint;
                            }
                            break;
                        case SvgPathCommand.HorizontalLineTo:
                            {
                                var hlintTo = (SvgPathSegLineToHorizontal)seg;
                                PointF lineToPoint;
                                hlintTo.GetAbsolutePoints(ref lastPoint, out lineToPoint);
                                gpath.AddLine(lastPoint, lineToPoint);
                                lastPoint = lineToPoint;
                            }
                            break;
                        case SvgPathCommand.VerticalLineTo:
                            {
                                var vlineTo = (SvgPathSegLineToVertical)seg;
                                PointF lineToPoint;
                                vlineTo.GetAbsolutePoints(ref lastPoint, out lineToPoint);
                                gpath.AddLine(lastPoint, lineToPoint);
                                lastPoint = lineToPoint;
                            }
                            break;
                        //---------------------------------------------------------------------------
                        //curve modes...... 
                        case SvgPathCommand.CurveTo:
                            {
                                //cubic curve to  (2 control points)
                                var cubicCurve = (SvgPathSegCurveToCubic)seg;
                                PointF p;
                                cubicCurve.GetAbsolutePoints(ref lastPoint, out p2, out p3, out p);
                                gpath.AddBezierCurve(lastPoint, p2, p3, p);
                                lastPoint = p;
                            }
                            break;
                        case SvgPathCommand.QuadraticBezierCurve:
                            {
                                //quadratic curve (1 control point)
                                //auto calculate for c1,c2 
                                var quadCurve = (SvgPathSegCurveToQuadratic)seg;
                                PointF p;
                                quadCurve.GetAbsolutePoints(ref lastPoint, out intm_c3_c, out p);
                                SvgCurveHelper.Curve3GetControlPoints(lastPoint, intm_c3_c, p, out p2, out p3);
                                gpath.AddBezierCurve(lastPoint, p2, p3, p);
                                lastPoint = p;
                            }
                            break;
                        //------------------------------------------------------------------------------------
                        case SvgPathCommand.SmoothCurveTo:
                            {
                                //smooth cubic curve to
                                var smthC4 = (SvgPathSegCurveToCubicSmooth)seg;
                                PointF c2, p;
                                smthC4.GetAbsolutePoints(ref lastPoint, out c2, out p);
                                //connect with prev segment
                                if (i > 0)
                                {
                                    //------------------
                                    //calculate p1 from  prev segment 
                                    //------------------
                                    var prevSeg = segments[i - 1];
                                    //check if prev is curve 
                                    switch (prevSeg.Command)
                                    {
                                        case SvgPathCommand.Arc:
                                        case SvgPathCommand.CurveTo:
                                        case SvgPathCommand.SmoothCurveTo:
                                        case SvgPathCommand.QuadraticBezierCurve:
                                        case SvgPathCommand.TSmoothQuadraticBezierCurveTo:

                                            //make mirror point

                                            p2 = SvgCurveHelper.CreateMirrorPoint(p3, lastPoint);
                                            p3 = c2;
                                            gpath.AddBezierCurve(lastPoint, p2, p3, p);
                                            break;
                                        default:

                                            continue;
                                    }
                                }

                                lastPoint = p;
                            }
                            break;
                        case SvgPathCommand.TSmoothQuadraticBezierCurveTo:
                            {
                                //curve 3
                                var smtC3 = (SvgPathSegCurveToQuadraticSmooth)seg;
                                PointF p;
                                smtC3.GetAbsolutePoints(ref lastPoint, out p);
                                if (i > 0)
                                {
                                    //------------------
                                    //calculate p1 from  prev segment 
                                    //------------------
                                    var prevSeg = segments[i - 1];
                                    //check if prev is curve 
                                    switch (prevSeg.Command)
                                    {
                                        case SvgPathCommand.Arc:
                                        case SvgPathCommand.CurveTo:
                                        case SvgPathCommand.SmoothCurveTo:
                                            {
                                                PointF c = SvgCurveHelper.CreateMirrorPoint(p3, lastPoint);
                                                SvgCurveHelper.Curve3GetControlPoints(lastPoint, c, p, out p2, out p3);
                                                gpath.AddBezierCurve(lastPoint, p2, p3, p);
                                                lastPoint = p;
                                            }
                                            break;
                                        case SvgPathCommand.TSmoothQuadraticBezierCurveTo:
                                            {
                                                //make mirror point
                                                PointF c = SvgCurveHelper.CreateMirrorPoint(intm_c3_c, lastPoint);
                                                SvgCurveHelper.Curve3GetControlPoints(lastPoint, c, p, out p2, out p3);
                                                gpath.AddBezierCurve(lastPoint, p2, p3, p);
                                                lastPoint = p;
                                                intm_c3_c = c;
                                            }
                                            break;
                                        case SvgPathCommand.QuadraticBezierCurve:
                                            {
                                                PointF c = SvgCurveHelper.CreateMirrorPoint(intm_c3_c, lastPoint);
                                                SvgCurveHelper.Curve3GetControlPoints(lastPoint, c, p, out p2, out p3);
                                                gpath.AddBezierCurve(lastPoint, p2, p3, p);
                                                lastPoint = p;
                                                intm_c3_c = c;
                                            }
                                            break;
                                        default:

                                            continue;
                                    }
                                }
                                lastPoint = p;
                            }
                            break;
                        case SvgPathCommand.Arc:
                            {
                                var arcTo = (SvgPathSegArc)seg;
                                PointF p;
                                arcTo.GetAbsolutePoints(ref lastPoint, out p);
                                if (lastPoint.IsEq(p))
                                {
                                    return;
                                }
                                if (arcTo.R1 == 0 && arcTo.R2 == 0)
                                {
                                    gpath.AddLine(lastPoint, p);
                                    lastPoint = p;
                                    return;
                                }
                                PointF[] bz4Points;
                                SvgCurveHelper.MakeBezierCurveFromArc(
                                    ref lastPoint,
                                    ref p,
                                    arcTo.R1,
                                    arcTo.R2,
                                    arcTo.Angle,
                                    arcTo.LargeArgFlag,
                                    arcTo.SweepFlag,
                                    out bz4Points);
                                int j = bz4Points.Length;
                                int nn = 0;
                                while (nn < j)
                                {
                                    gpath.AddBezierCurve(
                                        bz4Points[nn],
                                        bz4Points[nn + 1],
                                        bz4Points[nn + 2],
                                        bz4Points[nn + 3]);
                                    nn += 4;//step 4 points
                                }
                                //set control points
                                p3 = bz4Points[nn - 2];
                                p2 = bz4Points[nn - 3];
                                lastPoint = p;
                                //--------------------------------------------- 

                            }
                            break;
                        default:
                            throw new NotSupportedException();
                    }
                }
            }

            ValidatePath();
        }
Ejemplo n.º 15
0
 public override void ReEvaluateComputeValue(ref ReEvaluateArgs args)
 {
     var myspec = this.spec;
     this.fillColor = myspec.ActualColor;
     this.strokeColor = myspec.StrokeColor;
     this.ActualStrokeWidth = ConvertToPx(myspec.StrokeWidth, ref args);
     this.pointList = spec.Points.ToArray();
     if (this.IsPathValid) { return; }
     ClearCachePath();
     this.myCachedPath = new GraphicsPath();
     PointF[] plist = this.pointList;
     int lim = plist.Length - 1;
     for (int i = 0; i < lim; ++i)
     {
         //p1,p2
         myCachedPath.AddLine(
             plist[i],
             plist[i + 1]);
     }
     ValidatePath();
 }
Ejemplo n.º 16
0
 public override void ReEvaluateComputeValue(ref ReEvaluateArgs args)
 {
     this.fillColor = spec.ActualColor;
     this.strokeColor = spec.StrokeColor;
     this.ActualStrokeWidth = ConvertToPx(spec.StrokeWidth, ref args);
     var node = this.GetFirstNode();
     while (node != null)
     {
         node.Value.ReEvaluateComputeValue(ref args);
         node = node.Next;
     }
     ValidatePath();
 }
Ejemplo n.º 17
0
 public override void ReEvaluateComputeValue(ref ReEvaluateArgs args)
 {
     SvgLineSpec myspec = this.spec;
     this.fillColor = myspec.ActualColor;
     this.strokeColor = myspec.StrokeColor;
     this.ActualStrokeWidth = ConvertToPx(myspec.StrokeWidth, ref args);
     this.ActualX1 = ConvertToPx(myspec.X1, ref args);
     this.ActualY1 = ConvertToPx(myspec.Y1, ref args);
     this.ActualX2 = ConvertToPx(myspec.X2, ref args);
     this.ActualX2 = ConvertToPx(myspec.Y2, ref args);
     ValidatePath();
 }