public override void Render(GdiGraphicsRenderer renderer) { GdiGraphicsWrapper graphics = renderer.GraphicsWrapper; SvgImageElement iElement = (SvgImageElement)element; ImageAttributes imageAttributes = new ImageAttributes(); string sOpacity = iElement.GetPropertyValue("opacity"); if (sOpacity != null && sOpacity.Length > 0) { double opacity = SvgNumber.ParseNumber(sOpacity); ColorMatrix myColorMatrix = new ColorMatrix(); myColorMatrix.Matrix00 = 1.00f; // Red myColorMatrix.Matrix11 = 1.00f; // Green myColorMatrix.Matrix22 = 1.00f; // Blue myColorMatrix.Matrix33 = (float)opacity; // alpha myColorMatrix.Matrix44 = 1.00f; // w imageAttributes.SetColorMatrix(myColorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap); } float width = (float)iElement.Width.AnimVal.Value; float height = (float)iElement.Height.AnimVal.Value; //Rectangle destRect = new Rectangle(Convert.ToInt32(iElement.X.AnimVal.Value), // Convert.ToInt32(iElement.Y.AnimVal.Value), // Convert.ToInt32(width), Convert.ToInt32(height)); RectangleF destRect = new RectangleF((float)iElement.X.AnimVal.Value, (float)iElement.Y.AnimVal.Value, (float)iElement.Width.AnimVal.Value, (float)iElement.Height.AnimVal.Value); Image image = null; if (iElement.IsSvgImage) { SvgWindow wnd = GetSvgWindow(); _embeddedRenderer.BackColor = Color.Empty; _embeddedRenderer.Render(wnd.Document); image = _embeddedRenderer.RasterImage; } else { image = GetBitmap(iElement); } if (image != null) { //graphics.DrawImage(this, image, destRect, 0f, 0f, // image.Width, image.Height, GraphicsUnit.Pixel, imageAttributes); // code extracted from FitToViewbox SvgPreserveAspectRatio spar = (SvgPreserveAspectRatio)iElement.PreserveAspectRatio.AnimVal ?? new SvgPreserveAspectRatio("none", iElement); double[] translateAndScale = spar.FitToViewBox(new SvgRect(0, 0, image.Width, image.Height), new SvgRect(destRect.X, destRect.Y, destRect.Width, destRect.Height)); graphics.TranslateTransform((float)translateAndScale[0], (float)translateAndScale[1]); graphics.ScaleTransform((float)translateAndScale[2], (float)translateAndScale[3]); graphics.DrawImage(this, image, new Rectangle(0, 0, image.Width, image.Height), 0f, 0f, image.Width, image.Height, GraphicsUnit.Pixel, imageAttributes); image.Dispose(); image = null; } if (_embeddedRenderer != null) { _embeddedRenderer.Dispose(); _embeddedRenderer = null; } if (imageAttributes != null) { imageAttributes.Dispose(); imageAttributes = null; } }
public override void Render(GdiGraphicsRenderer renderer) { GdiGraphicsWrapper graphics = renderer.GraphicsWrapper; SvgImageElement iElement = (SvgImageElement)element; ImageAttributes imageAttributes = new ImageAttributes(); string sOpacity = iElement.GetPropertyValue("opacity"); if (sOpacity != null && sOpacity.Length > 0) { double opacity = SvgNumber.ParseNumber(sOpacity); ColorMatrix myColorMatrix = new ColorMatrix(); myColorMatrix.Matrix00 = 1.00f; // Red myColorMatrix.Matrix11 = 1.00f; // Green myColorMatrix.Matrix22 = 1.00f; // Blue myColorMatrix.Matrix33 = (float)opacity; // alpha myColorMatrix.Matrix44 = 1.00f; // w imageAttributes.SetColorMatrix(myColorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap); } float width = (float)iElement.Width.AnimVal.Value; float height = (float)iElement.Height.AnimVal.Value; Rectangle destRect = new Rectangle(Convert.ToInt32(iElement.X.AnimVal.Value), Convert.ToInt32(iElement.Y.AnimVal.Value), Convert.ToInt32(width), Convert.ToInt32(height)); Image image = null; if (iElement.IsSvgImage) { SvgWindow wnd = GetSvgWindow(); _embeddedRenderer.BackColor = Color.Empty; _embeddedRenderer.Render(wnd.Document); image = _embeddedRenderer.RasterImage; } else { image = GetBitmap(iElement); } if (image != null) { graphics.DrawImage(this, image, destRect, 0f, 0f, image.Width, image.Height, GraphicsUnit.Pixel, imageAttributes); image.Dispose(); image = null; } if (_embeddedRenderer != null) { _embeddedRenderer.Dispose(); _embeddedRenderer = null; } if (imageAttributes != null) { imageAttributes.Dispose(); imageAttributes = null; } }