/// <summary>
/// Converts an SVG document into a Texture2D.
/// </summary>
public static Texture2D SvgToTexture2D(SvgDocument svgImage, double width, double height,
GraphicsDevice graphicsDevice, bool scaleSvg = true)
{
if (width < 1 || height < 1)
{
return(new Texture2D(graphicsDevice, 1, 1));
}
Bitmap image = new Bitmap((int)width, (int)height, PixelFormat.Format32bppArgb);
svgImage.ShapeRendering = SvgShapeRendering.GeometricPrecision;
using (ISvgRenderer r = SvgRenderer.FromImage(image))
{
if (scaleSvg)
{
float scale = image.Height / svgImage.Height; // to make the svg fit the dimensions of the img.
r.ScaleTransform(scale, scale);
}
r.SmoothingMode = SmoothingMode.AntiAlias;
svgImage.Draw(r);
}
int bufferSize = image.Height * image.Width * 4; // rgba = 4 bytes
MemoryStream memoryStream = new MemoryStream(bufferSize);
image.Save(memoryStream, ImageFormat.Png);
//image.Save(@"d:\temp\" + Path.GetRandomFileName() + ".png", ImageFormat.Png);
return(FromStreamPremultiplied(graphicsDevice, memoryStream));
}
public static void RenderTo(this SvgDocument document, Bitmap bitmap)
{
try
{
using (var renderer = SvgRenderer.FromImage(bitmap))
{
renderer.SetBoundable(new GenericBoundable(0, 0, bitmap.Width, bitmap.Height));
//EO, 2014-12-05: Requested to ensure proper zooming (draw the svg in the bitmap size, ==> proper scaling)
//EO, 2015-01-09, Added GetDimensions to use its returned size instead of this.Width and this.Height (request of Icarrere).
//BBN, 2015-07-29, it is unnecassary to call again GetDimensions and transform to 1x1
//JA, 2015-12-18, this is actually necessary to correctly render the Draw(rasterHeight, rasterWidth) overload, otherwise the rendered graphic doesn't scale correctly
var size = document.GetDimensions();
renderer.ScaleTransform(bitmap.Width / size.Width, bitmap.Height / size.Height);
//EO, 2014-12-05: Requested to ensure proper zooming out (reduce size). Otherwise it clip the image.
document.Overflow = SvgOverflow.Auto;
document.Draw(renderer);
}
}
catch
{
throw;
}
}
static Bitmap RenderWholeSvgToBitmap(SvgDocument svg, Size size)
{
var bitmap = new Bitmap(size.Width, size.Height);
var svgRenderer = SvgRenderer.FromImage(bitmap);
svgRenderer.SetBoundable(new GenericBoundable(0, 0, bitmap.Width, bitmap.Height));
var svgDim = svg.GetDimensions();
svgRenderer.ScaleTransform(bitmap.Width / svgDim.Width, bitmap.Height / svgDim.Height);
svg.Draw(svgRenderer);
return(bitmap);
}
private Bitmap CreateSourceGraphic()
{
var graphic = new Bitmap((int)(_bounds.Width + 2 * _inflate * _bounds.Width + _bounds.X),
(int)(_bounds.Height + 2 * _inflate * _bounds.Height + _bounds.Y));
using (var renderer = SvgRenderer.FromImage(graphic))
{
renderer.SetBoundable(_renderer.GetBoundable());
var transform = new Matrix();
transform.Translate(_bounds.Width * _inflate, _bounds.Height * _inflate);
renderer.Transform = transform;
//renderer.Transform = _renderer.Transform;
//renderer.Clip = _renderer.Clip;
_renderMethod.Invoke(renderer);
}
return(graphic);
}
static Bitmap RenderSvg(SvgDocument svgDoc, double scaleFactor, int oversampling)
{
var dimensions = svgDoc.GetDimensions();
var finalWidth = (int)Math.Round(dimensions.Width * scaleFactor);
var finalHeight = (int)Math.Round(dimensions.Height * scaleFactor);
var renderWidth = finalWidth * oversampling;
var renderHeight = finalHeight * oversampling;
var bitmap = new Bitmap(
renderWidth,
renderHeight,
PixelFormat.Format32bppArgb);
using (Graphics g = Graphics.FromImage(bitmap))
{
g.TextRenderingHint = TextRenderingHint.AntiAlias;
g.PixelOffsetMode = PixelOffsetMode.Half;
g.TextContrast = 1;
g.SmoothingMode = SmoothingMode.None;
g.CompositingQuality = CompositingQuality.HighQuality;
g.InterpolationMode = InterpolationMode.Default;
using (var renderer = new SvgRendererWithNoSmoothControl(SvgRenderer.FromImage(bitmap)))
{
renderer.SetBoundable(
new GenericBoundable(0.0f, 0.0f, bitmap.Width, bitmap.Height));
renderer.ScaleTransform(
bitmap.Width / dimensions.Width,
bitmap.Height / dimensions.Height,
MatrixOrder.Append);
svgDoc.Overflow = SvgOverflow.Auto;
svgDoc.RenderElement(renderer);
}
}
return(bitmap);
}
