public static async Task<Bitmap> GetBitmapAsync (SvgImage svgImage, int width, int height)
{
Bitmap result = null;
Stream svgStream = await SvgService.GetSvgStreamAsync (svgImage).ConfigureAwait (false);
await Task.Run(() =>
{
var svgReader = new SvgReader(new StreamReader(svgStream));
var graphics = svgReader.Graphic;
var scale = 1.0;
if (height >= width)
{
scale = height / graphics.Size.Height;
}
else
{
scale = width / graphics.Size.Width;
}
var canvas = new AndroidPlatform().CreateImageCanvas(graphics.Size, scale);
graphics.Draw(canvas);
var image = (BitmapImage)canvas.GetImage();
result = image.Bitmap;
});
return result;
}
public Task<ProviderPackage> GetAsync(EventCaller caller, string inputContent)
{
return Task.Run(() =>
{
var htmlTree = new HtmlDocument();
htmlTree.LoadHtml(inputContent);
var node = htmlTree.DocumentNode.QuerySelector(".b_anno");
var stockNode = htmlTree.DocumentNode.QuerySelector(".b_hPanel");
var trendMap = htmlTree.DocumentNode.QuerySelector("svg");
if (node != null && stockNode != null)
{
if (trendMap != null)
{
var w = trendMap.Attributes["width"];
var h = trendMap.Attributes["height"];
var trendMapContent = string.Format("<svg width=\"{0}\" height=\"{1}\">{2}</svg>", w.Value, h.Value, trendMap.InnerHtml);
var trendMapXml = new XmlDocument();
trendMapXml.LoadXml(trendMapContent);
var reader = new SvgReader(new StringReader(trendMapContent));
var graphic = reader.Graphic;
var c =
Platforms.Current.CreateImageCanvas(
new NGraphics.Size(double.Parse(w.Value), double.Parse(h.Value)), scale: 1);
graphic.Draw(c);
var trendMapImageStream = new MemoryStream();
c.GetImage().SaveAsPng(trendMapImageStream);
// Send Package
return new ProviderPackage(string.Format("{0} : {1}", node.InnerText, stockNode.InnerText)
, trendMapImageStream, caller, Priority);
}
return new ProviderPackage(string.Format("{0} : {1}", node.InnerText, stockNode.InnerText),
caller, Priority);
}
return ProviderPackage.ReturnNotAvailablePackage();
});
}
public static Graphic ParseSvg(string svg, double pixelsPerInch = SvgReader.DefaultPixelsPerInch, Brush defaultBrush = null, Font defaultFont = null)
{
var svgr = new SvgReader(svg, pixelsPerInch: pixelsPerInch, defaultBrush: defaultBrush, defaultFont: defaultFont);
return(svgr.Graphic);
}
public static Graphic LoadSvg(System.IO.TextReader reader, double pixelsPerInch = SvgReader.DefaultPixelsPerInch, Brush defaultBrush = null, Font defaultFont = null)
{
var svgr = new SvgReader(reader, pixelsPerInch: pixelsPerInch, defaultBrush: defaultBrush, defaultFont: defaultFont);
return(svgr.Graphic);
}
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;
}
public static Graphic LoadSvg(System.IO.TextReader reader)
{
var svgr = new SvgReader(reader);
return(svgr.Graphic);
}
public static Graphic LoadSvg (System.IO.TextReader reader)
{
var svgr = new SvgReader (reader);
return svgr.Graphic;
}
public static Graphic LoadSvg(System.IO.TextReader reader, Brush defaultBrush = null)
{
var svgr = new SvgReader(reader, defaultBrush: defaultBrush);
return(svgr.Graphic);
}
