/// <summary>
/// Normalize a brush
/// </summary>
private GraphicBrush TransformBrush(GraphicBrush graphicBrush)
{
GraphicBrush retBrush;
switch (graphicBrush)
{
case GraphicLinearGradientBrush linearGradientBrush:
{
if (linearGradientBrush.MappingMode == GraphicBrushMappingMode.Absolute)
{
var newlinearGradientBrush = new GraphicLinearGradientBrush();
retBrush = newlinearGradientBrush;
newlinearGradientBrush.StartPoint = MatrixUtilities.TransformPoint(linearGradientBrush.StartPoint, transformMatrix);
newlinearGradientBrush.EndPoint = MatrixUtilities.TransformPoint(linearGradientBrush.EndPoint, transformMatrix);
newlinearGradientBrush.MappingMode = linearGradientBrush.MappingMode;
newlinearGradientBrush.GradientStops = linearGradientBrush.GradientStops;
}
else
{
retBrush = linearGradientBrush;
}
break;
}
case GraphicRadialGradientBrush radialGradientBrush:
{
if (radialGradientBrush.MappingMode == GraphicBrushMappingMode.Absolute)
{
var newlinearGradientBrush = new GraphicRadialGradientBrush();
retBrush = newlinearGradientBrush;
newlinearGradientBrush.StartPoint = MatrixUtilities.TransformPoint(radialGradientBrush.StartPoint, transformMatrix);
newlinearGradientBrush.EndPoint = MatrixUtilities.TransformPoint(radialGradientBrush.EndPoint, transformMatrix);
(newlinearGradientBrush.RadiusX, newlinearGradientBrush.RadiusY) = MatrixUtilities.TransformSize(radialGradientBrush.RadiusX, radialGradientBrush.RadiusY, transformMatrix);
newlinearGradientBrush.MappingMode = radialGradientBrush.MappingMode;
newlinearGradientBrush.GradientStops = radialGradientBrush.GradientStops;
}
else
{
retBrush = radialGradientBrush;
}
break;
}
default:
retBrush = graphicBrush;
break;
}
return(retBrush);
}
