Example #1
0
        public void DrawImage(IImage image, Svg.RectangleF destRect, Svg.RectangleF srcRect, Svg.GraphicsUnit graphicsUnit)
        {
            throw new NotImplementedException();
            //we now translate these back to real word items

            //  _innerGraphics.DrawImage(image, destRect, srcRect, graphicsUnit);
        }
Example #2
0
 public GenericBoundable(float x, float y, float width, float height)
 {
     _rect = new RectangleF(x, y, width, height);
 }
Example #3
0
        public override Brush GetBrush(SvgVisualElement renderingElement, ISvgRenderer renderer, float opacity, bool forStroke = false)
        {
            LoadStops(renderingElement);

            try
            {
                if (this.GradientUnits == SvgCoordinateUnits.ObjectBoundingBox)
                {
                    renderer.SetBoundable(renderingElement);
                }

                // Calculate the path and transform it appropriately
                var center = new PointF(NormalizeUnit(CenterX).ToDeviceValue(renderer, UnitRenderingType.Horizontal, this),
                                        NormalizeUnit(CenterY).ToDeviceValue(renderer, UnitRenderingType.Vertical, this));
                var focals = new PointF[] { new PointF(NormalizeUnit(FocalX).ToDeviceValue(renderer, UnitRenderingType.Horizontal, this),
                                                       NormalizeUnit(FocalY).ToDeviceValue(renderer, UnitRenderingType.Vertical, this)) };
                var specifiedRadius = NormalizeUnit(Radius).ToDeviceValue(renderer, UnitRenderingType.Other, this);
                var path            = new GraphicsPath();
                path.AddEllipse(
                    center.X - specifiedRadius, center.Y - specifiedRadius,
                    specifiedRadius * 2, specifiedRadius * 2
                    );

                using (var transform = EffectiveGradientTransform)
                {
                    var bounds = renderer.GetBoundable().Bounds;
                    transform.Translate(bounds.X, bounds.Y, MatrixOrder.Prepend);
                    if (this.GradientUnits == SvgCoordinateUnits.ObjectBoundingBox)
                    {
                        transform.Scale(bounds.Width, bounds.Height, MatrixOrder.Prepend);
                    }
                    path.Transform(transform);
                    transform.TransformPoints(focals);
                }


                // Calculate any required scaling
                var scaleBounds = RectangleF.Inflate(renderingElement.Bounds, renderingElement.StrokeWidth, renderingElement.StrokeWidth);
                var scale       = CalcScale(scaleBounds, path);

                // Not ideal, but this makes sure that the rest of the shape gets properly filled or drawn
                if (scale > 1.0f && SpreadMethod == SvgGradientSpreadMethod.Pad)
                {
                    var stop        = Stops.Last();
                    var origColor   = stop.GetColor(renderingElement);
                    var renderColor = System.Drawing.Color.FromArgb((int)Math.Round(opacity * stop.StopOpacity * 255), origColor);

                    var origClip = renderer.GetClip();
                    try
                    {
                        using (var solidBrush = new SolidBrush(renderColor))
                        {
                            var newClip = origClip.Clone();
                            newClip.Exclude(path);
                            renderer.SetClip(newClip);

                            var renderPath = (GraphicsPath)renderingElement.Path(renderer);
                            if (forStroke)
                            {
                                using (var pen = new Pen(solidBrush, renderingElement.StrokeWidth.ToDeviceValue(renderer, UnitRenderingType.Other, renderingElement)))
                                {
                                    renderer.DrawPath(pen, renderPath);
                                }
                            }
                            else
                            {
                                renderer.FillPath(solidBrush, renderPath);
                            }
                        }
                    }
                    finally
                    {
                        renderer.SetClip(origClip);
                    }
                }

                // Get the color blend and any tweak to the scaling
                var blend = CalculateColorBlend(renderer, opacity, scale, out scale);

                // Transform the path based on the scaling
                var gradBounds  = path.GetBounds();
                var transCenter = new PointF(gradBounds.Left + gradBounds.Width / 2, gradBounds.Top + gradBounds.Height / 2);
                using (var scaleMat = new Matrix())
                {
                    scaleMat.Translate(-1 * transCenter.X, -1 * transCenter.Y, MatrixOrder.Append);
                    scaleMat.Scale(scale, scale, MatrixOrder.Append);
                    scaleMat.Translate(transCenter.X, transCenter.Y, MatrixOrder.Append);
                    path.Transform(scaleMat);
                }

                // calculate the brush
                var brush = new PathGradientBrush(path);
                brush.CenterPoint         = focals[0];
                brush.InterpolationColors = blend;

                return(brush);
            }
            finally
            {
                if (this.GradientUnits == SvgCoordinateUnits.ObjectBoundingBox)
                {
                    renderer.PopBoundable();
                }
            }
        }
Example #4
0
 public GenericBoundable(RectangleF rect)
 {
     _rect = rect;
 }