public string ConvertToSvgDocument(IToolContext context, IContainerView containerView)
{
using (var stream = new MemoryStream())
{
using (var wstream = new SKManagedWStream(stream))
using (var writer = new SKXmlStreamWriter(wstream))
using (var canvas = SKSvgCanvas.Create(SKRect.Create(0, 0, (int)containerView.Width, (int)containerView.Height), writer))
{
if (containerView.SelectionState?.Shapes?.Count > 0)
{
using (var skiaSelectedPresenter = new SkiaExportSelectedPresenter(context, containerView))
{
skiaSelectedPresenter.Draw(canvas, containerView.Width, containerView.Height, 0, 0, 1.0, 1.0);
}
}
else
{
using (var skiaContainerPresenter = new SkiaExportContainerPresenter(context, containerView))
{
skiaContainerPresenter.Draw(canvas, containerView.Width, containerView.Height, 0, 0, 1.0, 1.0);
}
}
}
stream.Position = 0;
using (var reader = new StreamReader(stream, Encoding.UTF8))
{
var xml = reader.ReadToEnd();
return(FormatXml(xml));
}
}
}
/// <inheritdoc/>
public void Save(Stream stream, IPageContainer container)
{
using var wstream = new SKManagedWStream(stream);
using var writer = new SKXmlStreamWriter(wstream);
using var canvas = SKSvgCanvas.Create(SKRect.Create(0, 0, (int)container.Width, (int)container.Height), writer);
_presenter.Render(canvas, _renderer, container, 0, 0);
}
void Save(string path, XContainer container)
{
using (var stream = new SKFileWStream(path))
using (var writer = new SKXmlStreamWriter(stream))
using (var canvas = SKSvgCanvas.Create(SKRect.Create(0, 0, (int)container.Width, (int)container.Height), writer))
{
_presenter.Render(canvas, _renderer, container, 0, 0);
}
}
internal static void ExportSvg(IToolContext context, string path, IContainerView containerView)
{
using (var stream = new SKFileWStream(path))
using (var writer = new SKXmlStreamWriter(stream))
using (var canvas = SKSvgCanvas.Create(SKRect.Create(0, 0, (int)containerView.Width, (int)containerView.Height), writer))
using (var skiaContainerPresenter = new SkiaExportContainerPresenter(context, containerView))
{
skiaContainerPresenter.Draw(canvas, containerView.Width, containerView.Height, 0, 0, 1.0, 1.0);
}
}
private void SaveButton_OnClicked(object sender, RoutedEventArgs e)
{
var width = Canvas.CanvasSize.Width;
var bounds = SKRect.Create(0, 0, width, width);
using (var stream = new SKFileWStream(@"C:\Temp\grid.svg"))
using (var writer = new SKXmlStreamWriter(stream))
using (var canvas = SKSvgCanvas.Create(bounds, writer))
{
_hexPainter.DrawGrid(_gol.Grid, canvas, _cellRadius);
}
}
public void SvgCanvasCreatesValidDrawing()
{
using (var stream = new MemoryStream())
{
// draw the SVG
using (var skStream = new SKManagedWStream(stream, false))
using (var writer = new SKXmlStreamWriter(skStream))
using (var canvas = SKSvgCanvas.Create(SKRect.Create(200, 150), writer))
{
var rectPaint = new SKPaint {
Color = SKColors.Blue, Style = SKPaintStyle.Fill
};
canvas.DrawRect(SKRect.Create(50, 70, 100, 30), rectPaint);
var circlePaint = new SKPaint {
Color = SKColors.Red, Style = SKPaintStyle.Fill
};
canvas.DrawOval(SKRect.Create(50, 70, 100, 30), circlePaint);
skStream.Flush();
}
// reset the sream
stream.Position = 0;
// read the SVG
var xdoc = XDocument.Load(stream);
var svg = xdoc.Root;
var ns = (XNamespace)"http://www.w3.org/2000/svg";
Assert.Equal(ns, svg.GetDefaultNamespace());
Assert.Equal("200", svg.Attribute("width").Value);
Assert.Equal("150", svg.Attribute("height").Value);
var rect = svg.Element(ns + "rect");
Assert.Equal("rgb(0,0,255)", rect.Attribute("fill").Value);
Assert.Equal("50", rect.Attribute("x").Value);
Assert.Equal("70", rect.Attribute("y").Value);
Assert.Equal("100", rect.Attribute("width").Value);
Assert.Equal("30", rect.Attribute("height").Value);
var ellipse = svg.Element(ns + "ellipse");
Assert.Equal("rgb(255,0,0)", ellipse.Attribute("fill").Value);
Assert.Equal("100", ellipse.Attribute("cx").Value);
Assert.Equal("85", ellipse.Attribute("cy").Value);
Assert.Equal("50", ellipse.Attribute("rx").Value);
Assert.Equal("15", ellipse.Attribute("ry").Value);
}
}
public void Draw(ParameterModel p)
{
using (var stream = new SKFileWStream(p.OutputFile))
using (var writer = new SKXmlStreamWriter(stream))
{
var badge = this._BadgeFactory.GetBadge(p);
var width = this._BadgeService.GetWidth(badge);
var bounds = new SKRect(0, 0, width, p.Height);
using (var canvas = SKSvgCanvas.Create(bounds, writer))
{
this._BadgeService.DrawBadge(canvas, badge);
}
}
}
public static bool ToSvg(this SKPicture skPicture, string path, SKColor background, float scaleX, float scaleY)
{
float width = skPicture.CullRect.Width * scaleX;
float height = skPicture.CullRect.Height * scaleY;
if (width <= 0 || height <= 0)
{
return(false);
}
using var skFileWStream = new SKFileWStream(path);
using var writer = new SKXmlStreamWriter(skFileWStream);
using var skCanvas = SKSvgCanvas.Create(SKRect.Create(0, 0, width, height), writer);
Draw(skPicture, background, scaleX, scaleY, skCanvas);
return(true);
}
/// <inheritdoc/>
public void Export(IPlotModel model, Stream stream)
{
using var skStream = new SKManagedWStream(stream);
using var writer = new SKXmlStreamWriter(skStream);
using var canvas = SKSvgCanvas.Create(new SKRect(0, 0, this.Width, this.Height), writer);
if (!model.Background.IsInvisible())
{
canvas.Clear(model.Background.ToSKColor());
}
// SVG export does not work with UseTextShaping=true. However SVG does text shaping by itself anyway, so we can just disable it
using var context = new SkiaRenderContext { RenderTarget = RenderTarget.VectorGraphic, SkCanvas = canvas, UseTextShaping = false };
model.Update(true);
model.Render(context, new OxyRect(0, 0, this.Width, this.Height));
}
public static byte[] RenderSvg(int size, VoxelData voxelData)
{
var ms = new MemoryStream();
using (var skStream = new SKManagedWStream(ms)) {
using (var writer = new SKXmlStreamWriter(skStream)) {
using (var canvas = SKSvgCanvas.Create(SKRect.Create(0, 0, size, size), writer)) {
RenderQuads(voxelData, size, canvas, new MeshSettings {
FrontFaces = true,
FakeLighting = true,
MeshType = MeshType.Quads,
});
}
}
}
return(ms.ToArray());
}
private void UpdateSvg()
{
bool exportPresenter = _previewWindow.svgExport.IsChecked == true;
bool showPrintable = _previewWindow.svgPrintable.IsChecked == true;
Task.Factory.StartNew(() =>
{
try
{
IImageCache ic = _projectEditor.Project;
var container = _projectEditor.Project.CurrentContainer;
var renderer = new SkiaSharpRenderer(true, 96.0);
if (!showPrintable)
{
renderer.State.DrawShapeState.Flags = ShapeStateFlags.Printable;
}
renderer.State.ImageCache = _projectEditor.Project;
var presenter = exportPresenter ? (ContainerPresenter) new ExportPresenter() : (ContainerPresenter) new EditorPresenter();
using (var ms = new MemoryStream())
{
using (var stream = new SKManagedWStream(ms))
{
using (var writer = new SKXmlStreamWriter(stream))
using (var canvas = SKSvgCanvas.Create(SKRect.Create(0, 0, (int)container.Width, (int)container.Height), writer))
{
presenter.Render(canvas, renderer, container, 0, 0);
}
stream.Flush();
}
var svg = Encoding.ASCII.GetString(ms.GetBuffer(), 0, (int)ms.Length);
Dispatcher.Invoke(() =>
{
_previewWindow.svgText.Text = svg;
});
}
}
catch (Exception) { }
});
}
public void SvgCanvasSavesFile()
{
var stream = new MemoryStream();
using (var wstream = new SKManagedWStream(stream))
using (var writer = new SKXmlStreamWriter(wstream))
using (var svg = SKSvgCanvas.Create(SKRect.Create(100, 100), writer))
{
var paint = new SKPaint
{
Color = SKColors.Red,
Style = SKPaintStyle.Fill
};
svg.DrawRect(SKRect.Create(10, 10, 80, 80), paint);
}
stream.Position = 0;
using (var reader = new StreamReader(stream))
{
var xml = reader.ReadToEnd();
var xdoc = XDocument.Parse(xml);
var svg = xdoc.Root;
var ns = svg.Name.Namespace;
Assert.Equal(ns + "svg", svg.Name);
Assert.Equal("100", svg.Attribute("width")?.Value);
Assert.Equal("100", svg.Attribute("height")?.Value);
var rect = svg.Element(ns + "rect");
Assert.Equal(ns + "rect", rect.Name);
Assert.Equal("rgb(255,0,0)", rect.Attribute("fill")?.Value);
Assert.Equal("none", rect.Attribute("stroke")?.Value);
Assert.Equal("10", rect.Attribute("x")?.Value);
Assert.Equal("10", rect.Attribute("y")?.Value);
Assert.Equal("80", rect.Attribute("width")?.Value);
Assert.Equal("80", rect.Attribute("height")?.Value);
}
}
private void UpdateSvg()
{
bool exportPresenter = _previewWindow.svgExport.IsChecked == true;
bool showPrintable = _previewWindow.svgPrintable.IsChecked == true;
Task.Factory.StartNew(() =>
{
try
{
IImageCache ic = _projectEditor.Project;
var container = _projectEditor.Project.CurrentContainer;
var renderer = new SkiaRenderer(true, 96.0);
if (!showPrintable)
{
renderer.State.DrawShapeState.Flags = ShapeStateFlags.Printable;
}
renderer.State.ImageCache = _projectEditor.Project;
var presenter = exportPresenter ? (ContainerPresenter)new ExportPresenter() : (ContainerPresenter)new EditorPresenter();
using (var ms = new MemoryStream())
{
using (var stream = new SKManagedWStream(ms))
{
using (var writer = new SKXmlStreamWriter(stream))
using (var canvas = SKSvgCanvas.Create(SKRect.Create(0, 0, (int)container.Width, (int)container.Height), writer))
{
presenter.Render(canvas, renderer, container, 0, 0);
}
stream.Flush();
}
var svg = Encoding.ASCII.GetString(ms.GetBuffer(), 0, (int)ms.Length);
Dispatcher.Invoke(() =>
{
_previewWindow.svgText.Text = svg;
});
}
}
catch (Exception) { }
});
}
