| public TranslateTransform ( float dx, float dy ) : void | ||
| dx | float | |
| dy | float | |
| return | void | |
protected void fitToViewbox(GraphicsWrapper graphics, RectangleF elmRect)
{
if (element is ISvgFitToViewBox)
{
ISvgFitToViewBox fitToVBElm = (ISvgFitToViewBox)element;
SvgPreserveAspectRatio spar = (SvgPreserveAspectRatio)fitToVBElm.PreserveAspectRatio.AnimVal;
float[] translateAndScale = spar.FitToViewBox(
(SvgRect)fitToVBElm.ViewBox.AnimVal,
new SvgRect(elmRect.X, elmRect.Y, elmRect.Width, elmRect.Height)
);
graphics.TranslateTransform(translateAndScale[0], translateAndScale[1]);
graphics.ScaleTransform(translateAndScale[2], translateAndScale[3]);
}
}
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);
}
}
protected void fitToViewbox(GraphicsWrapper graphics, RectangleF elmRect)
{
if ( element is ISvgFitToViewBox )
{
ISvgFitToViewBox fitToVBElm = (ISvgFitToViewBox) element;
SvgPreserveAspectRatio spar = (SvgPreserveAspectRatio)fitToVBElm.PreserveAspectRatio.AnimVal;
float[] translateAndScale = spar.FitToViewBox(
(SvgRect)fitToVBElm.ViewBox.AnimVal,
new SvgRect(elmRect.X, elmRect.Y, elmRect.Width, elmRect.Height)
);
graphics.TranslateTransform(translateAndScale[0], translateAndScale[1]);
graphics.ScaleTransform(translateAndScale[2], translateAndScale[3]);
}
}
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);
}
}
