public void Clip(Rectangle rectangle, DeviceDescription description)
{
const float epsilon = 0.10f; // A sub-pixel is close enough.
if (Math.Abs(rectangle.Width - _mapper.Width) < epsilon && Math.Abs(rectangle.Height - _mapper.Height) < epsilon) return;
_mapper.SetClipRegion(rectangle.X, rectangle.Y, rectangle.Width, rectangle.Height);
}
void IGraphicsDevice.DrawLine(Point source, Point destination, GraphicsContext context, DeviceDescription description)
{
var color = ConvertColor(context.Foreground);
var p0 = ConvertPointF(source);
var p1 = ConvertPointF(destination);
using (var g = CreateGraphics())
using (var pen = new Pen(color))
{
g.DrawLine(pen, p0, p1);
}
}
void IGraphicsDevice.DrawCircle(Point center, double radius, GraphicsContext context, DeviceDescription description)
{
var diameter = (float)(2 * radius);
var point = ConvertPointF(center);
var color = ConvertColor(context.Foreground);
using (var g = CreateGraphics())
using (var pen = new Pen(color))
{
g.DrawEllipse(pen, (float)(point.X - radius), (float)(point.Y - radius), diameter, diameter);
}
}
public void DrawCircle(Point center, double radius, GraphicsContext context, DeviceDescription description)
{
var svgContext = _mapper.MapGraphicsContextToSvg(center, context);
AddChild(new SvgCircle
{
CenterX = svgContext.Coordinate.X,
CenterY = svgContext.Coordinate.Y,
Fill = svgContext.Fill,
FillOpacity = svgContext.Opacity,
Radius = new SvgUnit(svgContext.UnitType, (float)(radius)),
Stroke = svgContext.Pen.Stroke,
StrokeDashArray = svgContext.Pen.StrokeDashArray,
StrokeLineCap = svgContext.Pen.StrokeLineCap,
StrokeLineJoin = svgContext.Pen.StrokeLineJoin,
StrokeWidth = svgContext.Pen.StrokeWidth
});
}
public void DrawLine(Point source, Point destination, GraphicsContext context, DeviceDescription description)
{
var svgContext = _mapper.MapGraphicsContextToSvg(source, context);
var end = _mapper.MapPoint(destination, 0d);
AddChild(new SvgLine
{
EndX = end.X,
EndY = end.Y,
Fill = svgContext.Fill,
FillOpacity = svgContext.Opacity,
StartX = svgContext.Coordinate.X,
StartY = svgContext.Coordinate.Y,
Stroke = svgContext.Pen.Stroke,
StrokeDashArray = svgContext.Pen.StrokeDashArray,
StrokeLineCap = svgContext.Pen.StrokeLineCap,
StrokeLineJoin = svgContext.Pen.StrokeLineJoin,
StrokeWidth = svgContext.Pen.StrokeWidth
});
}
public void OnDeactivated(DeviceDescription description)
{ }
public void DrawText(string s, Point location, double rotation, double adjustment, GraphicsContext context, DeviceDescription description)
{
var svgContext = _mapper.MapGraphicsContextToSvg(location, rotation, context);
AddChild(new SvgText
{
Fill = svgContext.Pen.Stroke,
FontFamily = svgContext.Font.Family,
FontSize = svgContext.Font.Size,
FontWeight = svgContext.Font.Weight,
Text = s,
TextAnchor = svgContext.TextAnchor,
Transforms = new SvgTransformCollection { svgContext.Coordinate.Rotation },
X = createUnitCollection(svgContext.Coordinate.X),
Y = createUnitCollection(svgContext.Coordinate.Y)
});
}
public Raster Capture(DeviceDescription description)
{
throw new NotImplementedException();
}
public void DrawPath(IEnumerable<IEnumerable<Point>> points, bool winding, GraphicsContext context,
DeviceDescription description)
{
var svgContext = _mapper.MapGraphicsContextToSvg(context);
foreach (var point in points)
{
var vertices = point.ToList();
var list = new SvgPathSegmentList();
var first = vertices.First();
list.Add(new SvgMoveToSegment(new PointF((float)first.X, (float)first.Y)));
foreach (var vertex in vertices.Skip(1))
{
list.Add(new SvgLineSegment(new PointF((float)first.X, (float)first.Y),
new PointF((float)vertex.X, (float)vertex.Y)));
first = vertex;
}
list.Add(new SvgClosePathSegment());
AddChild(new SvgPath
{
Fill = svgContext.Fill,
FillOpacity = svgContext.Opacity,
PathData = list,
Stroke = svgContext.Pen.Stroke,
StrokeDashArray = svgContext.Pen.StrokeDashArray,
StrokeLineCap = svgContext.Pen.StrokeLineCap,
StrokeLineJoin = svgContext.Pen.StrokeLineJoin,
StrokeWidth = svgContext.Pen.StrokeWidth
});
}
}
public void DrawPolyline(IEnumerable<Point> points, GraphicsContext context, DeviceDescription description)
{
var svgContext = _mapper.MapGraphicsContextToSvg(context);
var collection = new SvgPointCollection();
collection.AddRange(points.Select(p => _mapper.MapPoint(p, SvgUnitType.User))
.Select(p => new[] { p.X, p.Y })
.SelectMany(p => p));
AddChild(new SvgPolyline
{
Fill = svgContext.Fill,
FillOpacity = svgContext.Opacity,
Points = collection,
Stroke = svgContext.Pen.Stroke,
StrokeDashArray = svgContext.Pen.StrokeDashArray,
StrokeLineCap = svgContext.Pen.StrokeLineCap,
StrokeLineJoin = svgContext.Pen.StrokeLineJoin,
StrokeWidth = svgContext.Pen.StrokeWidth
});
}
public void OnNewPageRequested(GraphicsContext context, DeviceDescription description)
{
var color = ConvertColor(description.StartBackground);
using (var g = CreateGraphics())
{
g.Clear(color);
}
}
public bool ConfirmNewFrame(DeviceDescription description)
{
return true;
}
public MetricsInfo GetMetricInfo(int character, GraphicsContext context, DeviceDescription description)
{
return GetTextMetrics(character.ToString(CultureInfo.InvariantCulture), context, description);
}
private MetricsInfo GetTextMetrics(string s, GraphicsContext context, DeviceDescription description)
{
var style = GetStyle(context.FontFace);
var family = Font.FontFamily;
var conversion = Font.SizeInPoints / family.GetEmHeight(style);
using (var g = CreateGraphics())
{
return new MetricsInfo {
Ascent = family.GetCellAscent(style) * conversion,
Descent = family.GetCellDescent(style) * conversion,
Width = g.MeasureString(s, Font).Width
};
}
}
public void OnActivated(DeviceDescription description)
{
var bounds = Bounds;
var rectangle = new Rectangle(bounds.X, bounds.Y, bounds.Width, bounds.Height);
description.Bounds = rectangle;
description.ClipBounds = rectangle;
}
Point? IGraphicsDevice.GetLocation(DeviceDescription description)
{
throw new NotImplementedException();
}
void IGraphicsDevice.Clip(Rectangle rectangle, DeviceDescription description)
{ }
public Rectangle OnResized(DeviceDescription description)
{
throw new NotImplementedException();
}
void IGraphicsDevice.Clip(Rectangle rectangle, DeviceDescription description)
{
}
public void OnClosed(DeviceDescription description)
{ }
void IGraphicsDevice.DrawLine(Point source, Point destination, GraphicsContext context, DeviceDescription description)
{
var color = ConvertColor(context.Foreground);
var p0 = ConvertPointF(source);
var p1 = ConvertPointF(destination);
using (var g = CreateGraphics())
using (var pen = new Pen(color))
{
g.DrawLine(pen, p0, p1);
}
}
void IGraphicsDevice.DrawPolyline(IEnumerable <Point> points, GraphicsContext context, DeviceDescription description)
{
var color = ConvertColor(context.Foreground);
using (var g = CreateGraphics())
using (var pen = new Pen(color))
{
g.DrawLines(pen, points.Select(ConvertPointF).ToArray());
}
}
bool IGraphicsDevice.ConfirmNewFrame(DeviceDescription description)
{
return true;
}
void IGraphicsDevice.DrawText(string s, Point location, double rotation, double adjustment, GraphicsContext context, DeviceDescription description)
{
var color = ConvertColor(context.Foreground);
using (var g = CreateGraphics())
using (var brush = new SolidBrush(color))
{
g.DrawString(s, Font, brush, ConvertPointF(location));
}
}
void IGraphicsDevice.DrawRectangle(Rectangle rectangle, GraphicsContext context, DeviceDescription description)
{
var color = ConvertColor(context.Foreground);
var rect = ConvertRectangle(rectangle);
using (var g = CreateGraphics())
using (var pen = new Pen(color))
{
g.DrawRectangle(pen, rect);
}
}
Point?IGraphicsDevice.GetLocation(DeviceDescription description)
{
throw new NotImplementedException();
}
void IGraphicsDevice.DrawPath(IEnumerable <IEnumerable <Point> > points, bool winding, GraphicsContext context, DeviceDescription description)
{
var path = new GraphicsPath();
foreach (var vertices in points)
{
path.StartFigure();
path.AddLines(vertices.Select(ConvertPointF).ToArray());
}
var color = ConvertColor(context.Foreground);
using (var g = CreateGraphics())
using (var pen = new Pen(color))
{
g.DrawPath(pen, path);
}
}
public MetricsInfo GetMetricInfo(int character, GraphicsContext context, DeviceDescription description)
{
return(GetTextMetrics(character.ToString(CultureInfo.InvariantCulture), context, description));
}
void IGraphicsDevice.DrawRaster(Raster raster, Rectangle destination, double rotation, bool interpolated, GraphicsContext context, DeviceDescription description)
{
throw new NotImplementedException();
}
public void DrawRectangle(Rectangle rectangle, GraphicsContext context, DeviceDescription description)
{
var svgContext = _mapper.MapGraphicsContextToSvg(new Point(rectangle.Left, rectangle.Top), context);
AddChild(new SvgRectangle
{
Fill = svgContext.Fill,
FillOpacity = svgContext.Opacity,
Height = (float)rectangle.Height,
Stroke = svgContext.Pen.Stroke,
StrokeDashArray = svgContext.Pen.StrokeDashArray,
StrokeLineCap = svgContext.Pen.StrokeLineCap,
StrokeLineJoin = svgContext.Pen.StrokeLineJoin,
StrokeWidth = svgContext.Pen.StrokeWidth,
Width = (float)rectangle.Width,
X = svgContext.Coordinate.X,
Y = svgContext.Coordinate.Y,
});
}
Raster IGraphicsDevice.Capture(DeviceDescription description)
{
throw new NotImplementedException();
}
public void DrawRaster(Raster raster, Rectangle destination, double rotation, bool interpolated, GraphicsContext context,
DeviceDescription description)
{
throw new NotImplementedException();
}
double IGraphicsDevice.MeasureWidth(string s, GraphicsContext context, DeviceDescription description)
{
var metrics = GetTextMetrics(s, context, description);
return(metrics.Width);
}
public double MeasureWidth(string s, GraphicsContext context, DeviceDescription description)
{
var svgContext = _mapper.MapGraphicsContextToSvg(context);
var text = new SvgText
{
FontFamily = svgContext.Font.Family,
FontSize = svgContext.Font.Size,
FontWeight = svgContext.Font.Weight,
Text = s,
TextAnchor = svgContext.TextAnchor,
X = createUnitCollection(0f),
Y = createUnitCollection(0f),
};
return text.Bounds.Width;
}
void IGraphicsDevice.DrawText(string s, Point location, double rotation, double adjustment, GraphicsContext context, DeviceDescription description)
{
var color = ConvertColor(context.Foreground);
using (var g = CreateGraphics())
using (var brush = new SolidBrush(color))
{
g.DrawString(s, Font, brush, ConvertPointF(location));
}
}
public void OnActivated(DeviceDescription description)
{
var rectangle = new Rectangle(0, 0, _mapper.Height, _mapper.Width);
description.Bounds = rectangle;
description.ClipBounds = rectangle;
}
public void OnDeactivated(DeviceDescription description)
{
}
public void OnNewPageRequested(GraphicsContext context, DeviceDescription description)
{
_currentImage = new SvgDocument
{
Width = new SvgUnit(SvgUnitType.Pixel, _mapper.Height),
Height = new SvgUnit(SvgUnitType.Pixel, _mapper.Width)
};
_images.Add(_currentImage);
}
public Rectangle OnResized(DeviceDescription description)
{
throw new NotImplementedException();
}
public Rectangle GetSize(GraphicsContext context, DeviceDescription description)
{
return description.ClipBounds;
}
public void OnClosed(DeviceDescription description)
{
}
public void OnDrawStopped(DeviceDescription description)
{ }
public void OnDrawStopped(DeviceDescription description)
{
}
Rectangle IGraphicsDevice.GetSize(GraphicsContext context, DeviceDescription description)
{
return(description.ClipBounds);
}
bool IGraphicsDevice.ConfirmNewFrame(DeviceDescription description)
{
return(true);
}
public Point? GetLocation(DeviceDescription description)
{
throw new NotImplementedException();
}
void IGraphicsDevice.DrawCircle(Point center, double radius, GraphicsContext context, DeviceDescription description)
{
var diameter = (float)(2 * radius);
var point = ConvertPointF(center);
var color = ConvertColor(context.Foreground);
using (var g = CreateGraphics())
using (var pen = new Pen(color))
{
g.DrawEllipse(pen, (float)(point.X - radius), (float)(point.Y - radius), diameter, diameter);
}
}
public MetricsInfo GetMetricInfo(int character, GraphicsContext context, DeviceDescription description)
{
var svgContext = _mapper.MapGraphicsContextToSvg(new Point(), 0, context);
var s = new string(new[] { (char)character });
var family = new FontFamily(svgContext.Font.Family);
var style = GetStyle(context.FontFace);
return new MetricsInfo
{
Ascent = family.GetCellAscent(style),
Descent = family.GetCellDescent(style),
Width = MeasureWidth(s, context, description),
};
}
public GraphicsDeviceEventArgs(DeviceDescription description, GraphicsContext context = null)
{
this.description = description;
this.context = context;
}
