public SKPaint CreatePaint(EvaluationContext context)
{
if (context.Equals(lastContext))
{
return(lastPaint);
}
if (variableColor || variableOpacity)
{
var c = variableColor ? funcColor(context) : color;
var o = variableOpacity ? funcOpacity(context) : opacity;
paint.Color = c.WithAlpha((byte)(c.Alpha * o));
}
if (variableStyle)
{
paint.Style = funcStyle(context);
}
if (variableAntialias)
{
paint.IsAntialias = funcAntialias(context);
}
if (variableStrokeWidth)
{
paint.StrokeWidth = funcStrokeWidth(context) * context.Scale;
}
else
{
paint.StrokeWidth = strokeWidth * context.Scale;
}
if (variableStrokeCap)
{
paint.StrokeCap = funcStrokeCap(context);
}
if (variableStrokeJoin)
{
paint.StrokeJoin = funcStrokeJoin(context);
}
if (variableStrokeMiter)
{
paint.StrokeMiter = funcStrokeMiter(context);
}
if (variableShader)
{
paint.Shader = funcShader(context);
}
// We have to multiply the dasharray with the linewidth
if (variableDashArray)
{
var array = funcDashArray(context);
for (var i = 0; i < array.Length; i++)
{
array[i] = array[i] * paint.StrokeWidth;
}
paint.PathEffect = SKPathEffect.CreateDash(array, 0);
}
else if (fixDashArray != null)
{
var array = new float[fixDashArray.Length];
for (var i = 0; i < array.Length; i++)
{
array[i] = fixDashArray[i] * paint.StrokeWidth;
}
paint.PathEffect = SKPathEffect.CreateDash(array, 0);
}
lastContext = new EvaluationContext(context.Zoom, context.Scale, context.Tags);
lastPaint = paint;
return(paint);
}
