private void Draw(ISvgRenderer renderer, ISvgBoundable boundable)
{
using (FontManager = new SvgFontManager())
{
renderer.SetBoundable(boundable);
Render(renderer);
FontManager = null;
}
}
/// <summary>
/// Renders the <see cref="SvgDocument"/> to the specified <see cref="ISvgRenderer"/>.
/// </summary>
/// <param name="renderer">The <see cref="ISvgRenderer"/> to render the document with.</param>
/// <exception cref="ArgumentNullException">The <paramref name="renderer"/> parameter cannot be <c>null</c>.</exception>
public void Draw(ISvgRenderer renderer)
{
if (renderer == null)
{
throw new ArgumentNullException("renderer");
}
renderer.SetBoundable(this);
this.Render(renderer);
}
protected override void Render(ISvgRenderer renderer)
{
switch (this.Overflow)
{
case SvgOverflow.Auto:
case SvgOverflow.Visible:
case SvgOverflow.Inherit:
base.Render(renderer);
break;
default:
var prevClip = renderer.GetClip();
try
{
var size = this.Parent == null?renderer.GetBoundable().Bounds.Size : GetDimensions();
var clip = new RectangleF(this.X.ToDeviceValue(renderer, UnitRenderingType.Horizontal, this),
this.Y.ToDeviceValue(renderer, UnitRenderingType.Vertical, this),
size.Width, size.Height);
renderer.SetClip(new Region(clip), CombineMode.Intersect);
try
{
renderer.SetBoundable(new GenericBoundable(clip));
base.Render(renderer);
}
finally
{
renderer.PopBoundable();
}
}
finally
{
renderer.SetClip(prevClip, CombineMode.Replace);
}
break;
}
}
/// <summary>
/// Renders the <see cref="SvgElement"/> and contents to the specified <see cref="Graphics"/> object.
/// </summary>
protected override void Render(ISvgRenderer renderer)
{
if (!Visible || !Displayable)
{
return;
}
if (Width.Value > 0.0f && Height.Value > 0.0f && this.Href != null)
{
var img = GetImage();
if (img != null)
{
RectangleF srcRect;
var bmp = img as Bitmap;
var svg = img as SvgFragment;
if (bmp != null)
{
srcRect = new RectangleF(0, 0, bmp.Width, bmp.Height);
}
else if (svg != null)
{
srcRect = new RectangleF(new PointF(0, 0), svg.GetDimensions());
}
else
{
return;
}
var destClip = new RectangleF(this.Location.ToDeviceValue(renderer, this),
new SizeF(Width.ToDeviceValue(renderer, UnitRenderingType.Horizontal, this),
Height.ToDeviceValue(renderer, UnitRenderingType.Vertical, this)));
RectangleF destRect = destClip;
this.PushTransforms(renderer);
renderer.SetClip(new Region(destClip), CombineMode.Intersect);
this.SetClip(renderer);
if (AspectRatio != null && AspectRatio.Align != SvgPreserveAspectRatio.none)
{
var fScaleX = destClip.Width / srcRect.Width;
var fScaleY = destClip.Height / srcRect.Height;
var xOffset = 0.0f;
var yOffset = 0.0f;
if (AspectRatio.Slice)
{
fScaleX = Math.Max(fScaleX, fScaleY);
fScaleY = Math.Max(fScaleX, fScaleY);
}
else
{
fScaleX = Math.Min(fScaleX, fScaleY);
fScaleY = Math.Min(fScaleX, fScaleY);
}
switch (AspectRatio.Align)
{
case SvgPreserveAspectRatio.xMinYMin:
break;
case SvgPreserveAspectRatio.xMidYMin:
xOffset = (destClip.Width - srcRect.Width * fScaleX) / 2;
break;
case SvgPreserveAspectRatio.xMaxYMin:
xOffset = (destClip.Width - srcRect.Width * fScaleX);
break;
case SvgPreserveAspectRatio.xMinYMid:
yOffset = (destClip.Height - srcRect.Height * fScaleY) / 2;
break;
case SvgPreserveAspectRatio.xMidYMid:
xOffset = (destClip.Width - srcRect.Width * fScaleX) / 2;
yOffset = (destClip.Height - srcRect.Height * fScaleY) / 2;
break;
case SvgPreserveAspectRatio.xMaxYMid:
xOffset = (destClip.Width - srcRect.Width * fScaleX);
yOffset = (destClip.Height - srcRect.Height * fScaleY) / 2;
break;
case SvgPreserveAspectRatio.xMinYMax:
yOffset = (destClip.Height - srcRect.Height * fScaleY);
break;
case SvgPreserveAspectRatio.xMidYMax:
xOffset = (destClip.Width - srcRect.Width * fScaleX) / 2;
yOffset = (destClip.Height - srcRect.Height * fScaleY);
break;
case SvgPreserveAspectRatio.xMaxYMax:
xOffset = (destClip.Width - srcRect.Width * fScaleX);
yOffset = (destClip.Height - srcRect.Height * fScaleY);
break;
}
destRect = new RectangleF(destClip.X + xOffset, destClip.Y + yOffset,
srcRect.Width * fScaleX, srcRect.Height * fScaleY);
}
if (bmp != null)
{
renderer.DrawImage(bmp, destRect, srcRect, GraphicsUnit.Pixel);
bmp.Dispose();
}
else if (svg != null)
{
var currOffset = new PointF(renderer.Transform.OffsetX, renderer.Transform.OffsetY);
renderer.TranslateTransform(-currOffset.X, -currOffset.Y);
renderer.ScaleTransform(destRect.Width / srcRect.Width, destRect.Height / srcRect.Height);
renderer.TranslateTransform(currOffset.X + destRect.X, currOffset.Y + destRect.Y);
renderer.SetBoundable(new GenericBoundable(srcRect));
svg.RenderElement(renderer);
renderer.PopBoundable();
}
this.ResetClip(renderer);
this.PopTransforms(renderer);
}
// TODO: cache images... will need a shared context for this
// TODO: support preserveAspectRatio, etc
}
}
/// <summary>
/// Renders the <see cref="SvgElement"/> and contents to the specified <see cref="Graphics"/> object.
/// </summary>
protected override void Render(ISvgRenderer renderer)
{
if (!(Visible && Displayable && Width.Value > 0f && Height.Value > 0f && Href != null))
{
return;
}
var img = GetImage(Href);
var bmp = img as Image;
var svg = img as SvgFragment;
if (bmp == null && svg == null)
{
return;
}
try
{
if (PushTransforms(renderer))
{
RectangleF srcRect;
if (bmp != null)
{
srcRect = new RectangleF(0f, 0f, bmp.Width, bmp.Height);
}
else
{
srcRect = new RectangleF(new PointF(0f, 0f), svg.GetDimensions());
}
var destClip = new RectangleF(Location.ToDeviceValue(renderer, this),
new SizeF(Width.ToDeviceValue(renderer, UnitRenderingType.Horizontal, this),
Height.ToDeviceValue(renderer, UnitRenderingType.Vertical, this)));
var destRect = destClip;
renderer.SetClip(new Region(destClip), CombineMode.Intersect);
SetClip(renderer);
var aspectRatio = AspectRatio;
if (aspectRatio.Align != SvgPreserveAspectRatio.none)
{
var fScaleX = destClip.Width / srcRect.Width;
var fScaleY = destClip.Height / srcRect.Height;
var xOffset = 0f;
var yOffset = 0f;
if (aspectRatio.Slice)
{
fScaleX = Math.Max(fScaleX, fScaleY);
fScaleY = Math.Max(fScaleX, fScaleY);
}
else
{
fScaleX = Math.Min(fScaleX, fScaleY);
fScaleY = Math.Min(fScaleX, fScaleY);
}
switch (aspectRatio.Align)
{
case SvgPreserveAspectRatio.xMinYMin:
break;
case SvgPreserveAspectRatio.xMidYMin:
xOffset = (destClip.Width - srcRect.Width * fScaleX) / 2;
break;
case SvgPreserveAspectRatio.xMaxYMin:
xOffset = (destClip.Width - srcRect.Width * fScaleX);
break;
case SvgPreserveAspectRatio.xMinYMid:
yOffset = (destClip.Height - srcRect.Height * fScaleY) / 2;
break;
case SvgPreserveAspectRatio.xMidYMid:
xOffset = (destClip.Width - srcRect.Width * fScaleX) / 2;
yOffset = (destClip.Height - srcRect.Height * fScaleY) / 2;
break;
case SvgPreserveAspectRatio.xMaxYMid:
xOffset = (destClip.Width - srcRect.Width * fScaleX);
yOffset = (destClip.Height - srcRect.Height * fScaleY) / 2;
break;
case SvgPreserveAspectRatio.xMinYMax:
yOffset = (destClip.Height - srcRect.Height * fScaleY);
break;
case SvgPreserveAspectRatio.xMidYMax:
xOffset = (destClip.Width - srcRect.Width * fScaleX) / 2;
yOffset = (destClip.Height - srcRect.Height * fScaleY);
break;
case SvgPreserveAspectRatio.xMaxYMax:
xOffset = (destClip.Width - srcRect.Width * fScaleX);
yOffset = (destClip.Height - srcRect.Height * fScaleY);
break;
}
destRect = new RectangleF(destClip.X + xOffset, destClip.Y + yOffset,
srcRect.Width * fScaleX, srcRect.Height * fScaleY);
}
if (bmp != null)
{
var opacity = FixOpacityValue(Opacity);
if (opacity == 1f)
{
renderer.DrawImage(bmp, destRect, srcRect, GraphicsUnit.Pixel);
}
else
{
renderer.DrawImage(bmp, destRect, srcRect, GraphicsUnit.Pixel, opacity);
}
}
else
{
renderer.TranslateTransform(destRect.X, destRect.Y, MatrixOrder.Prepend);
renderer.ScaleTransform(destRect.Width / srcRect.Width, destRect.Height / srcRect.Height, MatrixOrder.Prepend);
try
{
renderer.SetBoundable(new GenericBoundable(srcRect));
svg.RenderElement(renderer);
}
finally
{
renderer.PopBoundable();
}
}
ResetClip(renderer);
}
}
finally
{
PopTransforms(renderer);
if (bmp != null)
{
bmp.Dispose();
}
}
// TODO: cache images... will need a shared context for this
}
public override Brush GetBrush(SvgVisualElement renderingElement, ISvgRenderer renderer, float opacity, bool forStroke = false)
{
LoadStops(renderingElement);
if (this.Stops.Count < 1)
{
return(null);
}
if (this.Stops.Count == 1)
{
var stopColor = this.Stops[0].GetColor(renderingElement);
var alpha = (int)Math.Round((opacity * (stopColor.A / 255.0f)) * 255);
var colour = System.Drawing.Color.FromArgb(alpha, stopColor);
return(new SolidBrush(colour));
}
try
{
if (this.GradientUnits == SvgCoordinateUnits.ObjectBoundingBox)
{
renderer.SetBoundable(renderingElement);
}
var points = new PointF[] {
SvgUnit.GetDevicePoint(NormalizeUnit(this.X1), NormalizeUnit(this.Y1), renderer, this),
SvgUnit.GetDevicePoint(NormalizeUnit(this.X2), NormalizeUnit(this.Y2), renderer, this)
};
var bounds = renderer.GetBoundable().Bounds;
if (bounds.Width <= 0 || bounds.Height <= 0 || ((points[0].X == points[1].X) && (points[0].Y == points[1].Y)))
{
if (this.GetCallback != null)
{
return(GetCallback().GetBrush(renderingElement, renderer, opacity, forStroke));
}
return(null);
}
using (var transform = EffectiveGradientTransform)
{
transform.Translate(bounds.X, bounds.Y, MatrixOrder.Prepend);
if (this.GradientUnits == SvgCoordinateUnits.ObjectBoundingBox)
{
// Transform a normal (i.e. perpendicular line) according to the transform
transform.Scale(bounds.Width, bounds.Height, MatrixOrder.Prepend);
}
transform.TransformPoints(points);
}
points[0].X = (float)Math.Round(points[0].X, 4);
points[0].Y = (float)Math.Round(points[0].Y, 4);
points[1].X = (float)Math.Round(points[1].X, 4);
points[1].Y = (float)Math.Round(points[1].Y, 4);
if (this.GradientUnits == SvgCoordinateUnits.ObjectBoundingBox)
{
// Transform the normal line back to a line such that the gradient still starts in the correct corners, but
// has the proper normal vector based on the transforms. If you work out the geometry, these formulas should work.
var midPoint = new PointF((points[0].X + points[1].X) / 2, (points[0].Y + points[1].Y) / 2);
var dy = points[1].Y - points[0].Y;
var dx = points[1].X - points[0].X;
var x1 = points[0].X;
var y2 = points[1].Y;
if (dx != 0f && dy != 0f)
{
var startX = (float)((dy * dx * (midPoint.Y - y2) + Math.Pow(dx, 2) * midPoint.X + Math.Pow(dy, 2) * x1) /
(Math.Pow(dx, 2) + Math.Pow(dy, 2)));
var endY = dy * (startX - x1) / dx + y2;
points[0] = new PointF(startX, midPoint.Y + (midPoint.Y - endY));
points[1] = new PointF(midPoint.X + (midPoint.X - startX), endY);
}
}
var effectiveStart = points[0];
var effectiveEnd = points[1];
if (PointsToMove(renderingElement, points[0], points[1]) > LinePoints.None)
{
var expansion = ExpandGradient(renderingElement, points[0], points[1]);
effectiveStart = expansion.StartPoint;
effectiveEnd = expansion.EndPoint;
}
var result = new LinearGradientBrush(effectiveStart, effectiveEnd, System.Drawing.Color.Transparent, System.Drawing.Color.Transparent)
{
InterpolationColors = CalculateColorBlend(renderer, opacity, points[0], effectiveStart, points[1], effectiveEnd),
WrapMode = WrapMode.TileFlipX
};
return(result);
}
finally
{
if (this.GradientUnits == SvgCoordinateUnits.ObjectBoundingBox)
{
renderer.PopBoundable();
}
}
}
protected override Brush CreateBrush(SvgVisualElement renderingElement, ISvgRenderer renderer, float opacity, bool forStroke)
{
// TODO: figure out how to do the brush transform in the presence of FocalRadius
try
{
if (this.GradientUnits == SvgCoordinateUnits.ObjectBoundingBox)
{
renderer.SetBoundable(renderingElement);
}
// Calculate the path and transform it appropriately
var center = new PointF(NormalizeUnit(CenterX).ToDeviceValue(renderer, UnitRenderingType.Horizontal, this),
NormalizeUnit(CenterY).ToDeviceValue(renderer, UnitRenderingType.Vertical, this));
var focals = new PointF[] { new PointF(NormalizeUnit(FocalX).ToDeviceValue(renderer, UnitRenderingType.Horizontal, this),
NormalizeUnit(FocalY).ToDeviceValue(renderer, UnitRenderingType.Vertical, this)) };
var specifiedRadius = NormalizeUnit(Radius).ToDeviceValue(renderer, UnitRenderingType.Other, this);
var path = new GraphicsPath();
path.AddEllipse(
center.X - specifiedRadius, center.Y - specifiedRadius,
specifiedRadius * 2, specifiedRadius * 2
);
using (var transform = EffectiveGradientTransform)
{
var bounds = renderer.GetBoundable().Bounds;
transform.Translate(bounds.X, bounds.Y, MatrixOrder.Prepend);
if (this.GradientUnits == SvgCoordinateUnits.ObjectBoundingBox)
{
transform.Scale(bounds.Width, bounds.Height, MatrixOrder.Prepend);
}
path.Transform(transform);
transform.TransformPoints(focals);
}
// Calculate any required scaling
var scaleBounds = RectangleF.Inflate(renderingElement.Bounds, renderingElement.StrokeWidth, renderingElement.StrokeWidth);
var scale = CalcScale(scaleBounds, path);
// Not ideal, but this makes sure that the rest of the shape gets properly filled or drawn
if (scale > 1.0f && SpreadMethod == SvgGradientSpreadMethod.Pad)
{
var stop = Stops.Last();
var origColor = stop.GetColor(renderingElement);
var renderColor = System.Drawing.Color.FromArgb((int)Math.Round(opacity * stop.StopOpacity * 255), origColor);
var origClip = renderer.GetClip();
try
{
using (var solidBrush = new SolidBrush(renderColor))
{
var newClip = origClip.Clone();
newClip.Exclude(path);
renderer.SetClip(newClip);
var renderPath = (GraphicsPath)renderingElement.Path(renderer);
if (forStroke)
{
using (var pen = new Pen(solidBrush, renderingElement.StrokeWidth.ToDeviceValue(renderer, UnitRenderingType.Other, renderingElement)))
{
renderer.DrawPath(pen, renderPath);
}
}
else
{
renderer.FillPath(solidBrush, renderPath);
}
}
}
finally
{
renderer.SetClip(origClip);
}
}
// Get the color blend and any tweak to the scaling
var blend = CalculateColorBlend(renderer, opacity, scale, out scale);
// Transform the path based on the scaling
var gradBounds = path.GetBounds();
var transCenter = new PointF(gradBounds.Left + gradBounds.Width / 2, gradBounds.Top + gradBounds.Height / 2);
using (var scaleMat = new Matrix())
{
scaleMat.Translate(-1 * transCenter.X, -1 * transCenter.Y, MatrixOrder.Append);
scaleMat.Scale(scale, scale, MatrixOrder.Append);
scaleMat.Translate(transCenter.X, transCenter.Y, MatrixOrder.Append);
path.Transform(scaleMat);
}
// calculate the brush
var brush = new PathGradientBrush(path);
brush.CenterPoint = focals[0];
brush.InterpolationColors = blend;
return(brush);
}
finally
{
if (this.GradientUnits == SvgCoordinateUnits.ObjectBoundingBox)
{
renderer.PopBoundable();
}
}
}
/// <summary>
/// Gets a <see cref="Brush"/> representing the current paint server.
/// </summary>
/// <param name="renderingElement">The owner <see cref="SvgVisualElement"/>.</param>
/// <param name="renderer">The renderer object.</param>
/// <param name="opacity">The opacity of the brush.</param>
/// <param name="forStroke">Not used.</param>
public override Brush GetBrush(SvgVisualElement renderingElement, ISvgRenderer renderer, float opacity, bool forStroke = false)
{
var chain = new List <SvgPatternServer>();
var curr = this;
do
{
chain.Add(curr);
curr = SvgDeferredPaintServer.TryGet <SvgPatternServer>(curr.InheritGradient, renderingElement);
} while (curr != null);
var firstChildren = chain.Where(p => p.Children.Count > 0).FirstOrDefault();
if (firstChildren == null)
{
return(null);
}
var firstX = chain.Where(p => p.X != null && p.X != SvgUnit.None).FirstOrDefault();
var firstY = chain.Where(p => p.Y != null && p.Y != SvgUnit.None).FirstOrDefault();
var firstWidth = chain.Where(p => p.Width != null && p.Width != SvgUnit.None).FirstOrDefault();
var firstHeight = chain.Where(p => p.Height != null && p.Height != SvgUnit.None).FirstOrDefault();
if (firstWidth == null || firstHeight == null)
{
return(null);
}
var firstPatternUnit = chain.Where(p => p.PatternUnits != SvgCoordinateUnits.Inherit).FirstOrDefault();
var firstPatternContentUnit = chain.Where(p => p.PatternContentUnits != SvgCoordinateUnits.Inherit).FirstOrDefault();
var firstViewBox = chain.Where(p => p.ViewBox != null && p.ViewBox != SvgViewBox.Empty).FirstOrDefault();
var xUnit = firstX == null ? new SvgUnit(0f) : firstX.X;
var yUnit = firstY == null ? new SvgUnit(0f) : firstY.Y;
var widthUnit = firstWidth.Width;
var heightUnit = firstHeight.Height;
var patternUnits = firstPatternUnit == null ? SvgCoordinateUnits.ObjectBoundingBox : firstPatternUnit.PatternUnits;
var patternContentUnits = firstPatternContentUnit == null ? SvgCoordinateUnits.UserSpaceOnUse : firstPatternContentUnit.PatternContentUnits;
var viewBox = firstViewBox == null ? SvgViewBox.Empty : firstViewBox.ViewBox;
var isPatternObjectBoundingBox = patternUnits == SvgCoordinateUnits.ObjectBoundingBox;
try
{
if (isPatternObjectBoundingBox)
{
renderer.SetBoundable(renderingElement);
}
var x = xUnit.ToDeviceValue(renderer, UnitRenderingType.Horizontal, this);
var y = yUnit.ToDeviceValue(renderer, UnitRenderingType.Vertical, this);
var width = widthUnit.ToDeviceValue(renderer, UnitRenderingType.Horizontal, this);
var height = heightUnit.ToDeviceValue(renderer, UnitRenderingType.Vertical, this);
if (isPatternObjectBoundingBox)
{
var bounds = renderer.GetBoundable().Bounds; // Boundary without stroke is expect...
if (xUnit.Type != SvgUnitType.Percentage)
{
x *= bounds.Width;
}
if (yUnit.Type != SvgUnitType.Percentage)
{
y *= bounds.Height;
}
if (widthUnit.Type != SvgUnitType.Percentage)
{
width *= bounds.Width;
}
if (heightUnit.Type != SvgUnitType.Percentage)
{
height *= bounds.Height;
}
x += bounds.X;
y += bounds.Y;
}
var tile = new Bitmap((int)Math.Ceiling(width), (int)Math.Ceiling(height));
using (var tileRenderer = SvgRenderer.FromImage(tile))
{
tileRenderer.SetBoundable(renderingElement);
if (viewBox != SvgViewBox.Empty)
{
var bounds = tileRenderer.GetBoundable().Bounds;
tileRenderer.ScaleTransform(width / viewBox.Width, height / viewBox.Height);
}
else if (patternContentUnits == SvgCoordinateUnits.ObjectBoundingBox)
{
var bounds = tileRenderer.GetBoundable().Bounds;
tileRenderer.ScaleTransform(bounds.Width, bounds.Height);
}
foreach (var child in firstChildren.Children)
{
child.RenderElement(tileRenderer);
}
}
using (var transform = EffectivePatternTransform)
{
var textureBrush = new TextureBrush(tile, new RectangleF(0f, 0f, width, height))
{
Transform = transform
};
textureBrush.TranslateTransform(x, y);
return(textureBrush);
}
}
finally
{
if (isPatternObjectBoundingBox)
{
renderer.PopBoundable();
}
}
}
/// <summary>
/// Gets a <see cref="Brush"/> representing the current paint server.
/// </summary>
/// <param name="renderingElement">The owner <see cref="SvgVisualElement"/>.</param>
/// <param name="opacity">The opacity of the brush.</param>
public override Brush GetBrush(SvgVisualElement renderingElement, ISvgRenderer renderer, float opacity, bool forStroke = false)
{
var chain = new List <SvgPatternServer>();
var curr = this;
while (curr != null)
{
chain.Add(curr);
curr = SvgDeferredPaintServer.TryGet <SvgPatternServer>(curr._inheritGradient, renderingElement);
}
var childElem = chain.Where((p) => p.Children != null && p.Children.Count > 0).FirstOrDefault();
if (childElem == null)
{
return(null);
}
var widthElem = chain.Where((p) => p.Width != null && p.Width != SvgUnit.None).FirstOrDefault();
var heightElem = chain.Where((p) => p.Height != null && p.Height != SvgUnit.None).FirstOrDefault();
if (widthElem == null && heightElem == null)
{
return(null);
}
var viewBoxElem = chain.Where((p) => p.ViewBox != null && p.ViewBox != SvgViewBox.Empty).FirstOrDefault();
var viewBox = viewBoxElem == null ? SvgViewBox.Empty : viewBoxElem.ViewBox;
var xElem = chain.Where((p) => p.X != null && p.X != SvgUnit.None).FirstOrDefault();
var yElem = chain.Where((p) => p.Y != null && p.Y != SvgUnit.None).FirstOrDefault();
var xUnit = xElem == null ? SvgUnit.Empty : xElem.X;
var yUnit = yElem == null ? SvgUnit.Empty : yElem.Y;
var patternUnitElem = chain.Where((p) => p.PatternUnits != SvgCoordinateUnits.Inherit).FirstOrDefault();
var patternUnits = (patternUnitElem == null ? SvgCoordinateUnits.ObjectBoundingBox : patternUnitElem.PatternUnits);
var patternContentUnitElem = chain.Where((p) => p.PatternContentUnits != SvgCoordinateUnits.Inherit).FirstOrDefault();
var patternContentUnits = (patternContentUnitElem == null ? SvgCoordinateUnits.UserSpaceOnUse : patternContentUnitElem.PatternContentUnits);
try
{
if (patternUnits == SvgCoordinateUnits.ObjectBoundingBox)
{
renderer.SetBoundable(renderingElement);
}
using (var patternMatrix = new Matrix())
{
var bounds = renderer.GetBoundable().Bounds;
var xScale = (patternUnits == SvgCoordinateUnits.ObjectBoundingBox ? bounds.Width : 1);
var yScale = (patternUnits == SvgCoordinateUnits.ObjectBoundingBox ? bounds.Height : 1);
float x = xScale * NormalizeUnit(xUnit).ToDeviceValue(renderer, UnitRenderingType.Horizontal, this);
float y = yScale * NormalizeUnit(yUnit).ToDeviceValue(renderer, UnitRenderingType.Vertical, this);
float width = xScale * NormalizeUnit(widthElem.Width).ToDeviceValue(renderer, UnitRenderingType.Horizontal, this);
float height = yScale * NormalizeUnit(heightElem.Height).ToDeviceValue(renderer, UnitRenderingType.Vertical, this);
// Apply a scale if needed
patternMatrix.Scale((patternContentUnits == SvgCoordinateUnits.ObjectBoundingBox ? bounds.Width : 1) *
(viewBox.Width > 0 ? width / viewBox.Width : 1),
(patternContentUnits == SvgCoordinateUnits.ObjectBoundingBox ? bounds.Height : 1) *
(viewBox.Height > 0 ? height / viewBox.Height : 1), MatrixOrder.Prepend);
Bitmap image = new Bitmap((int)width, (int)height);
using (var iRenderer = SvgRenderer.FromImage(image))
{
iRenderer.SetBoundable((_patternContentUnits == SvgCoordinateUnits.ObjectBoundingBox) ? new GenericBoundable(0, 0, width, height) : renderer.GetBoundable());
iRenderer.Transform = patternMatrix;
iRenderer.SmoothingMode = SmoothingMode.AntiAlias;
iRenderer.SetClip(new Region(new RectangleF(0, 0,
viewBox.Width > 0 ? viewBox.Width : width,
viewBox.Height > 0 ? viewBox.Height : height)));
foreach (SvgElement child in childElem.Children)
{
child.RenderElement(iRenderer);
}
}
TextureBrush textureBrush = new TextureBrush(image);
var brushTransform = EffectivePatternTransform.Clone();
brushTransform.Translate(x, y, MatrixOrder.Append);
textureBrush.Transform = brushTransform;
return(textureBrush);
}
}
finally
{
if (this.PatternUnits == SvgCoordinateUnits.ObjectBoundingBox)
{
renderer.PopBoundable();
}
}
}
private void Draw(ISvgRenderer renderer, ISvgBoundable boundable)
{
renderer.SetBoundable(boundable);
this.Render(renderer);
}
public void SetBoundable(ISvgBoundable boundable)
{
_svgRendererImplementation.SetBoundable(boundable);
}