void SetLinearGradientPaint(APaint platformPaint, LinearGradientPaint linearGradientPaint)
{
var p1 = linearGradientPaint.StartPoint;
var x1 = (float)p1.X;
var y1 = (float)p1.Y;
var p2 = linearGradientPaint.EndPoint;
var x2 = (float)p2.X;
var y2 = (float)p2.Y;
var data = GetGradientPaintData(linearGradientPaint);
var shader = new LinearGradientData(data.Colors, data.Offsets, x1, y1, x2, y2);
if (_width == 0 && _height == 0)
{
return;
}
if (shader.Colors == null || shader.Colors.Length < 2)
{
return;
}
var linearGradientShader = new LinearGradient(
_width * shader.X1,
_height * shader.Y1,
_width * shader.X2,
_height * shader.Y2,
shader.Colors,
shader.Offsets,
Shader.TileMode.Clamp !);
platformPaint.SetShader(linearGradientShader);
}
public void SetPaint(LinearGradientPaint linearGradientPaint)
{
var p1 = linearGradientPaint.StartPoint;
var x1 = (float)p1.X;
var y1 = (float)p1.Y;
var p2 = linearGradientPaint.EndPoint;
var x2 = (float)p2.X;
var y2 = (float)p2.Y;
var data = GetGradientPaintData(linearGradientPaint);
var shader = new LinearGradientData(data.Colors, data.Offsets, x1, y1, x2, y2);
_backgroundColor = null;
SetShaderFactory(new LinearGradientShaderFactory(shader));
}
public LinearGradientShaderFactory(LinearGradientData data)
{
_data = data;
}
