public void SetGradient(Brush brush)
{
if (brush is LinearGradientBrush linearGradientBrush)
{
var p1 = linearGradientBrush.StartPoint;
var x1 = (float)p1.X;
var y1 = (float)p1.Y;
var p2 = linearGradientBrush.EndPoint;
var x2 = (float)p2.X;
var y2 = (float)p2.Y;
var gradientBrushData = linearGradientBrush.GetGradientBrushData();
var colors = gradientBrushData.Item1;
var offsets = gradientBrushData.Item2;
var linearGradientShader = new LinearGradientShader(colors, offsets, x1, y1, x2, y2);
SetShaderFactory(new GradientShaderFactory(linearGradientShader));
}
if (brush is RadialGradientBrush radialGradientBrush)
{
var center = radialGradientBrush.Center;
float centerX = (float)center.X;
float centerY = (float)center.Y;
float radius = (float)radialGradientBrush.Radius;
var gradientBrushData = radialGradientBrush.GetGradientBrushData();
var colors = gradientBrushData.Item1;
var offsets = gradientBrushData.Item2;
var radialGradientShader = new RadialGradientShader(colors, offsets, centerX, centerY, radius);
SetShaderFactory(new GradientShaderFactory(radialGradientShader));
}
}
public static AM.IBrush?ToLinearGradientBrush(this LinearGradientShader linearGradientShader)
{
if (linearGradientShader.Colors != null && linearGradientShader.ColorPos != null)
{
var linearGradientBrush = new AM.LinearGradientBrush
{
SpreadMethod = linearGradientShader.Mode.ToGradientSpreadMethod()
};
var startPoint = linearGradientShader.Start.ToPoint();
linearGradientBrush.StartPoint = new A.RelativePoint(startPoint, A.RelativeUnit.Relative);
var endPoint = linearGradientShader.End.ToPoint();
linearGradientBrush.EndPoint = new A.RelativePoint(endPoint, A.RelativeUnit.Relative);
linearGradientBrush.GradientStops = new AM.GradientStops();
for (int i = 0; i < linearGradientShader.Colors.Length; i++)
{
var color = linearGradientShader.Colors[i].ToColor();
var offset = linearGradientShader.ColorPos[i];
var gradientStop = new AM.GradientStop(color, offset);
linearGradientBrush.GradientStops.Add(gradientStop);
}
// TODO: linearGradientShader.LocalMatrix
return(linearGradientBrush);
}
return(null);
}
public static AM.IBrush?ToLinearGradientBrush(this LinearGradientShader linearGradientShader)
{
if (linearGradientShader.Colors is null || linearGradientShader.ColorPos is null)
{
return(null);
}
var spreadMethod = linearGradientShader.Mode.ToGradientSpreadMethod();
var start = linearGradientShader.Start.ToPoint();
var end = linearGradientShader.End.ToPoint();
if (linearGradientShader.LocalMatrix is { })
public static AM.IBrush?ToLinearGradientBrush(this LinearGradientShader linearGradientShader)
{
if (linearGradientShader.Colors is { } && linearGradientShader.ColorPos is { })
