|
public BeginContainer ( ) : |
||
| return | ||
public override void BeforeRender(ISvgRenderer renderer)
{
if (_uniqueColor.IsEmpty)
{
_uniqueColor = ((GdiRenderer)renderer)._getNextColor(this);
}
GraphicsWrapper graphics = ((GdiRenderer)renderer).GraphicsWrapper;
graphicsContainer = graphics.BeginContainer();
SetQuality(graphics);
Transform(graphics);
}
public void PaintMarker(GdiRenderer renderer, GraphicsWrapper gr, SvgMarkerPosition markerPos, SvgStyleableElement refElement)
{
ISharpMarkerHost markerHostElm = (ISharpMarkerHost)refElement;
SvgMarkerElement markerElm = (SvgMarkerElement) element;
PointF[] vertexPositions = markerHostElm.MarkerPositions;
int start;
int len;
// Choose which part of the position array to use
switch (markerPos)
{
case SvgMarkerPosition.Start:
start = 0;
len = 1;
break;
case SvgMarkerPosition.Mid:
start = 1;
len = vertexPositions.Length - 2;
break;
default:
// == MarkerPosition.End
start = vertexPositions.Length-1;
len = 1;
break;
}
for ( int i = start; i<start+len; i++ )
{
PointF point = vertexPositions[i];
GraphicsContainerWrapper gc = gr.BeginContainer();
gr.TranslateTransform(point.X, point.Y);
if ( markerElm.OrientType.AnimVal.Equals(SvgMarkerOrient.Angle) )
{
gr.RotateTransform((float)markerElm.OrientAngle.AnimVal.Value);
}
else
{
float angle;
switch(markerPos)
{
case SvgMarkerPosition.Start:
angle = markerHostElm.GetStartAngle(i + 1);
break;
case SvgMarkerPosition.Mid:
//angle = (markerHostElm.GetEndAngle(i) + markerHostElm.GetStartAngle(i + 1)) / 2;
angle = SvgNumber.CalcAngleBisection(markerHostElm.GetEndAngle(i), markerHostElm.GetStartAngle(i + 1));
break;
default:
angle = markerHostElm.GetEndAngle(i);
break;
}
gr.RotateTransform(angle);
}
if ( markerElm.MarkerUnits.AnimVal.Equals(SvgMarkerUnit.StrokeWidth) )
{
SvgLength strokeWidthLength = new SvgLength(refElement, "stroke-width", SvgLengthSource.Css, SvgLengthDirection.Viewport, "1");
float strokeWidth = (float)strokeWidthLength.Value;
gr.ScaleTransform(strokeWidth, strokeWidth);
}
SvgPreserveAspectRatio spar = (SvgPreserveAspectRatio)markerElm.PreserveAspectRatio.AnimVal;
float[] translateAndScale = spar.FitToViewBox(
(SvgRect)markerElm.ViewBox.AnimVal,
new SvgRect(
0,
0,
(float)markerElm.MarkerWidth.AnimVal.Value,
(float)markerElm.MarkerHeight.AnimVal.Value)
);
gr.TranslateTransform(
-(float)markerElm.RefX.AnimVal.Value * translateAndScale[2],
-(float)markerElm.RefY.AnimVal.Value * translateAndScale[3]
);
gr.ScaleTransform(translateAndScale[2], translateAndScale[3]);
Clip(gr);
markerElm.RenderChildren(renderer);
gr.EndContainer(gc);
}
}
public void PaintMarker(GdiRenderer renderer, GraphicsWrapper gr, SvgMarkerPosition markerPos, SvgStyleableElement refElement)
{
ISharpMarkerHost markerHostElm = (ISharpMarkerHost)refElement;
SvgMarkerElement markerElm = (SvgMarkerElement)element;
PointF[] vertexPositions = markerHostElm.MarkerPositions;
int start;
int len;
// Choose which part of the position array to use
switch (markerPos)
{
case SvgMarkerPosition.Start:
start = 0;
len = 1;
break;
case SvgMarkerPosition.Mid:
start = 1;
len = vertexPositions.Length - 2;
break;
default:
// == MarkerPosition.End
start = vertexPositions.Length - 1;
len = 1;
break;
}
for (int i = start; i < start + len; i++)
{
PointF point = vertexPositions[i];
GraphicsContainerWrapper gc = gr.BeginContainer();
gr.TranslateTransform(point.X, point.Y);
if (markerElm.OrientType.AnimVal.Equals(SvgMarkerOrient.Angle))
{
gr.RotateTransform((float)markerElm.OrientAngle.AnimVal.Value);
}
else
{
float angle;
switch (markerPos)
{
case SvgMarkerPosition.Start:
angle = markerHostElm.GetStartAngle(i + 1);
break;
case SvgMarkerPosition.Mid:
//angle = (markerHostElm.GetEndAngle(i) + markerHostElm.GetStartAngle(i + 1)) / 2;
angle = SvgNumber.CalcAngleBisection(markerHostElm.GetEndAngle(i), markerHostElm.GetStartAngle(i + 1));
break;
default:
angle = markerHostElm.GetEndAngle(i);
break;
}
gr.RotateTransform(angle);
}
if (markerElm.MarkerUnits.AnimVal.Equals(SvgMarkerUnit.StrokeWidth))
{
SvgLength strokeWidthLength = new SvgLength(refElement, "stroke-width", SvgLengthSource.Css, SvgLengthDirection.Viewport, "1");
float strokeWidth = (float)strokeWidthLength.Value;
gr.ScaleTransform(strokeWidth, strokeWidth);
}
SvgPreserveAspectRatio spar = (SvgPreserveAspectRatio)markerElm.PreserveAspectRatio.AnimVal;
float[] translateAndScale = spar.FitToViewBox(
(SvgRect)markerElm.ViewBox.AnimVal,
new SvgRect(
0,
0,
(float)markerElm.MarkerWidth.AnimVal.Value,
(float)markerElm.MarkerHeight.AnimVal.Value)
);
gr.TranslateTransform(
-(float)markerElm.RefX.AnimVal.Value * translateAndScale[2],
-(float)markerElm.RefY.AnimVal.Value * translateAndScale[3]
);
gr.ScaleTransform(translateAndScale[2], translateAndScale[3]);
Clip(gr);
markerElm.RenderChildren(renderer);
gr.EndContainer(gc);
}
}
public override void Render(ISvgRenderer renderer)
{
GdiRenderer gdiRenderer = renderer as GdiRenderer;
GraphicsWrapper graphics = gdiRenderer.GraphicsWrapper;
if (!(element is SvgClipPathElement) && !(element.ParentNode is SvgClipPathElement))
{
SvgStyleableElement styleElm = element as SvgStyleableElement;
if (styleElm != null)
{
string sVisibility = styleElm.GetPropertyValue("visibility");
string sDisplay = styleElm.GetPropertyValue("display");
if (element is ISharpGDIPath && sVisibility != "hidden" && sDisplay != "none")
{
GraphicsPath gp = ((ISharpGDIPath)element).GetGraphicsPath();
if (gp != null)
{
Clip(graphics);
GdiSvgPaint fillPaint = new GdiSvgPaint(styleElm, "fill");
Brush brush = fillPaint.GetBrush(gp);
GdiSvgPaint strokePaint = new GdiSvgPaint(styleElm, "stroke");
Pen pen = strokePaint.GetPen(gp);
if (brush != null)
{
if (brush is PathGradientBrush)
{
GradientPaintServer gps = fillPaint.PaintServer as GradientPaintServer;
//GraphicsContainer container = graphics.BeginContainer();
graphics.SetClip(gps.GetRadialGradientRegion(gp.GetBounds()), CombineMode.Exclude);
SolidBrush tempBrush = new SolidBrush(((PathGradientBrush)brush).InterpolationColors.Colors[0]);
graphics.FillPath(this, tempBrush, gp);
tempBrush.Dispose();
graphics.ResetClip();
//graphics.EndContainer(container);
}
graphics.FillPath(this, brush, gp);
brush.Dispose();
}
if (pen != null)
{
if (pen.Brush is PathGradientBrush)
{
GradientPaintServer gps = strokePaint.PaintServer as GradientPaintServer;
GraphicsContainerWrapper container = graphics.BeginContainer();
graphics.SetClip(gps.GetRadialGradientRegion(gp.GetBounds()), CombineMode.Exclude);
SolidBrush tempBrush = new SolidBrush(((PathGradientBrush)pen.Brush).InterpolationColors.Colors[0]);
Pen tempPen = new Pen(tempBrush, pen.Width);
graphics.DrawPath(this, tempPen, gp);
tempPen.Dispose();
tempBrush.Dispose();
graphics.EndContainer(container);
}
graphics.DrawPath(this, pen, gp);
pen.Dispose();
}
}
}
PaintMarkers(gdiRenderer, styleElm, graphics);
}
}
}
