public override void ProcessPixels(RectangleI region)
{
ComplexGrid gridDirect = new ComplexGrid(ImageBounds, ProjectionBounds, fDir);
ComplexGrid gridInverse = new ComplexGrid(ImageBounds, ProjectionBounds, fInv);
Parallel.For(region.TopLeft.Y, region.BottomRight.Y, y =>
{
Parallel.For(region.TopLeft.X, region.BottomRight.X, x =>
{
var pDir = (PointI)lerpPoint(new PointD(x, y), gridDirect[x, y], Alpha);
var pInv = (PointI)lerpPoint(new PointD(x, y), gridInverse[x, y], Alpha);
SKColor color;
if (IsPointInRange(pDir, ImageBounds))
{
color = SourceImage.GetPixel(pDir.X, pDir.Y);
}
else if (IsPointInRange(pInv, ImageBounds))
{
color = SourceImage.GetPixel(pInv.X, pInv.Y);
}
else
{
color = SKColor.Empty;
}
DestImage.SetPixel(x, y, color);
});
});
}
public override void PostProcess()
{
SKBitmap rendered = Device.Present();
for (int y = 0; y < DestImage.Height; y++)
{
for (int x = 0; x < DestImage.Width; x++)
{
SKColor pixel = rendered.GetPixel(x, DestImage.Height - (y + 1));
DestImage.SetPixel(x, y, pixel);
}
}
Mesh = null;
}
public override void ProcessPixels(RectangleI region)
{
Api api = new Api(
image: new Image(SourceImage),
param: new ScriptParams(
PrimaryParam,
SecondaryParam,
(Pixel)ColorParam
)
);
Parallel.For(region.TopLeft.Y, region.BottomRight.Y, (y, outer) =>
{
if (EncounteredError)
{
outer.Break();
return;
}
Parallel.For(region.TopLeft.X, region.BottomRight.X, (x, inner) =>
{
if (EncounteredError)
{
inner.Break();
return;
}
try
{
SKColor src = SourceImage.GetPixel(x, y);
Pixel colorIn = new Pixel(src.Blue, src.Green, src.Red, src.Alpha);
Pixel colorOut = FilterFunc(api, colorIn, x, y);
SKColor dst = new SKColor(colorOut.Blue, colorOut.Green, colorOut.Red, colorOut.Alpha);
DestImage.SetPixel(x, y, dst);
}
catch (Exception e)
{
if (!EncounteredError)
{
EncounteredError = true;
MessageBox.Show($"Your code encountered an exception at runtime.\n{e.Message}",
"Runtime Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
});
});
}