void DrawGraphic ()
{
var c = new GraphicCanvas (size, textPlatform);
if (func != null)
func (c);
graphic = c.Graphic;
}
void DrawGraphic()
{
var c = new GraphicCanvas (size);
if (func != null)
func (c);
graphic = c.Graphic;
}
public Graphic Clone ()
{
var g = new Graphic (Size, ViewBox) {
Title = Title,
Description = Description,
};
g.Children.AddRange (Children.Select (x => x.Clone ()));
return g;
}
void Read (XDocument doc)
{
var svg = doc.Root;
var ns = svg.Name.Namespace;
//
// Find the defs (gradients)
//
foreach (var d in svg.Descendants ()) {
var idA = d.Attribute ("id");
if (idA != null) {
defs [ReadString (idA).Trim ()] = d;
}
}
//
// Get the dimensions
//
var widthA = svg.Attribute ("width");
var heightA = svg.Attribute ("height");
var width = ReadNumber (widthA);
var height = ReadNumber (heightA);
var size = new Size (width, height);
var viewBox = new Rect (size);
var viewBoxA = svg.Attribute ("viewBox") ?? svg.Attribute ("viewPort");
if (viewBoxA != null) {
viewBox = ReadRectangle (viewBoxA.Value);
}
if (widthA != null && widthA.Value.Contains ("%")) {
size.Width *= viewBox.Width;
}
if (heightA != null && heightA.Value.Contains ("%")) {
size.Height *= viewBox.Height;
}
//
// Add the elements
//
Graphic = new Graphic (size, viewBox);
AddElements (Graphic.Children, svg.Elements (), null, Brushes.Black);
}
public static void ReplaceColors( this ISvgImageRenderer This, Graphic in_Graphic, IEnumerable<ColorPair> in_Colors )
{
if( (in_Colors == null) || (in_Graphic == null) )
return;
if( in_Colors.Count() == 0 )
return;
if( in_Graphic != null )
{
foreach( NGraphics.Interfaces.IDrawable it in in_Graphic.Children )
{
if( it is NGraphics.Models.Elements.Path )
ReplaceColor(it as Path, in_Colors);
else if( it is NGraphics.Models.Elements.Group )
ReplaceColor(it as Group, in_Colors);
}
}
}
public void LoadSvgFromResource ()
{
if (SvgAssembly == null || SvgPath == null) {
// Can be called by OnPropertyChanged as values are initially defined.
// Don't load anything until we are sure we have enough to do so.
return;
}
var svgStream = SvgAssembly.GetManifestResourceStream (SvgPath);
if (svgStream == null) {
throw new Exception (string.Format ("Error retrieving {0} make sure Build Action is Embedded Resource",
SvgPath));
}
var r = new SvgReader (new StreamReader (svgStream));
LoadedGraphic = r.Graphic;
}
static IImage RenderSectionToImage (/*this*/ Graphic graphics, Rect sourceFrame, Rect outputFrame, double finalScale, Func<Size, double, IImageCanvas> createPlatformImageCanvas)
{
var originalSize = graphics.Size;
var sectionCanvas = createPlatformImageCanvas (outputFrame.Size, finalScale);
// Redraw into final version with any scaling between the original and the output slice.
var sliceVerticalScale = outputFrame.Height / sourceFrame.Height;
var sliceHorizontalScale = outputFrame.Width / sourceFrame.Width;
// Potentially setting ViewBox size smaller to enlarge result.
graphics.ViewBox = new Rect (sourceFrame.Position, new Size (originalSize.Width / sliceHorizontalScale, originalSize.Height / sliceVerticalScale));
graphics.Draw (sectionCanvas);
return sectionCanvas.GetImage ();
}
public GraphicCanvas(Size size)
{
Graphic = new Graphic (size);
}
public void Invalidate()
{
graphic = null;
}
public SvgWriter (Graphic graphic, System.IO.TextWriter writer)
{
Graphic = graphic;
w = new CodeWriter (writer, " ");
}
public GraphicCanvas (Size size, IPlatform textPlatform)
{
states.Push (NGraphics.Transform.Identity);
TextPlatform = textPlatform;
Graphic = new Graphic (size);
}
public GraphicCanvas(Size size, IPlatform textPlatform)
{
states.Push(NGraphics.Transform.Identity);
TextPlatform = textPlatform;
Graphic = new Graphic(size);
}
