public void Run(TextWriter runscript)
{
Shader shader;
if (CreateShader != null)
shader = CreateShader (this);
else
shader = new Shader (Effect);
BitmapImage bitmap = new BitmapImage (new Uri (Driver.MakePath (InputFile)));
string reference = string.Format ("references/{0}.png", TestName);
double t = Tolerance == 0 ? DefaultTolerance : Tolerance;
Apply (shader, bitmap, reference);
runscript.WriteLine ("{0} {1} {2} {3} {4} {5} {6} {7}", TestName, Effect, InputFile, reference, t, ExtraArgs);
}
static void Apply(Shader shader, BitmapImage bitmap, string destImage)
{
Rectangle r = new Rectangle ();
r.Effect = shader;
shader.Input = new ImageBrush (bitmap);
/*The fill brush is ignored due to the effect been applied*/
r.Fill = new SolidColorBrush (Colors.Aquamarine);
Size size = new Size (bitmap.PixelWidth, bitmap.PixelHeight);
r.Measure (size);
r.Arrange (new Rect (size));
RenderTargetBitmap render = new RenderTargetBitmap (
bitmap.PixelWidth,
bitmap.PixelHeight,
96,
96,
PixelFormats.Pbgra32);
render.Render (r);
PngBitmapEncoder png = new PngBitmapEncoder ();
png.Frames.Add (BitmapFrame.Create (render));
using (Stream stm = File.Open (destImage, FileMode.OpenOrCreate)) {
png.Save (stm);
}
}