/// <summary> /// Common code for rendering a marker once the orientation angle has been calculated /// </summary> /// <param name="fAngle"></param> /// <param name="pRenderer"></param> /// <param name="pOwner"></param> /// <param name="pMarkerPoint"></param> private void RenderPart2(float fAngle, ISvgRenderer pRenderer, SvgVisualElement pOwner, PointF pMarkerPoint) { using (var pRenderPen = CreatePen(pOwner, pRenderer)) { using (var markerPath = GetClone(pOwner)) { using (var transMatrix = new Matrix()) { transMatrix.Translate(pMarkerPoint.X, pMarkerPoint.Y); if (Orient.IsAuto) { transMatrix.Rotate(fAngle); } else { transMatrix.Rotate(Orient.Angle); } switch (MarkerUnits) { case SvgMarkerUnits.strokeWidth: transMatrix.Translate(AdjustForViewBoxWidth(-RefX.ToDeviceValue(pRenderer, UnitRenderingType.Horizontal, this) * pOwner.StrokeWidth.ToDeviceValue(pRenderer, UnitRenderingType.Other, this)), AdjustForViewBoxHeight(-RefY.ToDeviceValue(pRenderer, UnitRenderingType.Vertical, this) * pOwner.StrokeWidth.ToDeviceValue(pRenderer, UnitRenderingType.Other, this))); break; case SvgMarkerUnits.userSpaceOnUse: transMatrix.Translate(-RefX.ToDeviceValue(pRenderer, UnitRenderingType.Horizontal, this), -RefY.ToDeviceValue(pRenderer, UnitRenderingType.Vertical, this)); break; } markerPath.Transform(transMatrix); if (pRenderPen != null) { pRenderer.DrawPath(pRenderPen, markerPath); } SvgPaintServer pFill = this.Children.First().Fill; SvgFillRule pFillRule = FillRule; // TODO: What do we use the fill rule for? float fOpacity = FillOpacity; if (pFill != null) { using (var pBrush = pFill.GetBrush(this, pRenderer, fOpacity)) { pRenderer.FillPath(pBrush, markerPath); } } } } } }
/// <summary> /// Common code for rendering a marker once the orientation angle has been calculated /// </summary> /// <param name="fAngle"></param> /// <param name="pRenderer"></param> /// <param name="pOwner"></param> /// <param name="pMarkerPoint"></param> private void RenderPart2(float fAngle, ISvgRenderer pRenderer, SvgVisualElement pOwner, PointF pMarkerPoint) { using (var pRenderPen = CreatePen(pOwner, pRenderer)) { using (var markerPath = GetClone(pOwner, pRenderer)) { using (var transMatrix = new Matrix()) { transMatrix.Translate(pMarkerPoint.X, pMarkerPoint.Y); if (Orient.IsAuto) { transMatrix.Rotate(fAngle); } else { transMatrix.Rotate(Orient.Angle); } switch (MarkerUnits) { case SvgMarkerUnits.StrokeWidth: if (ViewBox.Width > 0 && ViewBox.Height > 0) { transMatrix.Scale(MarkerWidth, MarkerHeight); var strokeWidth = pOwner.StrokeWidth.ToDeviceValue(pRenderer, UnitRenderingType.Other, this); transMatrix.Translate(AdjustForViewBoxWidth(-RefX.ToDeviceValue(pRenderer, UnitRenderingType.Horizontal, this) * strokeWidth), AdjustForViewBoxHeight(-RefY.ToDeviceValue(pRenderer, UnitRenderingType.Vertical, this) * strokeWidth)); } else { // SvgMarkerUnits.UserSpaceOnUse // TODO: We know this isn't correct. // But use this until the TODOs from AdjustForViewBoxWidth and AdjustForViewBoxHeight are done. // MORE see Unit Test "MakerEndTest.TestArrowCodeCreation()" transMatrix.Translate(-RefX.ToDeviceValue(pRenderer, UnitRenderingType.Horizontal, this), -RefY.ToDeviceValue(pRenderer, UnitRenderingType.Vertical, this)); } break; case SvgMarkerUnits.UserSpaceOnUse: transMatrix.Translate(-RefX.ToDeviceValue(pRenderer, UnitRenderingType.Horizontal, this), -RefY.ToDeviceValue(pRenderer, UnitRenderingType.Vertical, this)); break; } if (MarkerElement != null && MarkerElement.Transforms != null) { using (var matrix = MarkerElement.Transforms.GetMatrix()) transMatrix.Multiply(matrix); } markerPath.Transform(transMatrix); if (pRenderPen != null) { pRenderer.DrawPath(pRenderPen, markerPath); } SvgPaintServer pFill = this.Children.First().Fill; SvgFillRule pFillRule = FillRule; // TODO: What do we use the fill rule for? if (pFill != null) { using (var pBrush = pFill.GetBrush(this, pRenderer, FixOpacityValue(FillOpacity))) { pRenderer.FillPath(pBrush, markerPath); } } } } } }