| public static Blur ( Pixbuf src, int radius, FSpot.UI.Dialog.ThreadProgressDialog dialog ) : Pixbuf | ||
| src | Pixbuf | |
| radius | int | |
| dialog | FSpot.UI.Dialog.ThreadProgressDialog | |
| return | Pixbuf | |
private ImageInfo CreateBlur(ImageInfo source)
{
double scale = Math.Max(256 / (double)source.Bounds.Width,
256 / (double)source.Bounds.Height);
Gdk.Rectangle small = new Gdk.Rectangle(0, 0,
(int)Math.Ceiling(source.Bounds.Width * scale),
(int)Math.Ceiling(source.Bounds.Height * scale));
ImageSurface image = new ImageSurface(Format.Argb32,
small.Width,
small.Height);
Context ctx = new Context(image);
ctx.Matrix = source.Fit(small);
ctx.Operator = Operator.Source;
Pattern p = new SurfacePattern(source.Surface);
ctx.Source = p;
ctx.Paint();
p.Destroy();
((IDisposable)ctx).Dispose();
Gdk.Pixbuf normal = image.ToPixbuf();
Gdk.Pixbuf blur = PixbufUtils.Blur(normal, 3, null);
ImageInfo overlay = new ImageInfo(blur);
blur.Dispose();
normal.Dispose();
image.Destroy();
return(overlay);
}
ImageInfo CreateBlur(ImageInfo source)
{
double scale = Math.Max(256 / (double)source.Bounds.Width,
256 / (double)source.Bounds.Height);
var small = new Gdk.Rectangle(0, 0,
(int)Math.Ceiling(source.Bounds.Width * scale),
(int)Math.Ceiling(source.Bounds.Height * scale));
var image = new ImageSurface(Format.Argb32,
small.Width,
small.Height);
var ctx = new Context(image)
{
Matrix = source.Fit(small),
Operator = Operator.Source
};
Pattern p = new SurfacePattern(source.Surface);
ctx.SetSource(p);
ctx.Paint();
p.Dispose();
ctx.Dispose();
ImageInfo overlay;
using (var normal = image.ToPixbuf())
{
using (var pixbufBlur = PixbufUtils.Blur(normal, 3, null))
{
overlay = new ImageInfo(pixbufBlur);
}
}
image.Dispose();
return(overlay);
}