public ImageInfo(ImageInfo info, Widget w, Gdk.Rectangle bounds)
{
using (var similar = CairoUtils.CreateSurface(w.GdkWindow)) {
Bounds = bounds;
Surface = similar.CreateSimilar(Content.ColorAlpha, Bounds.Width, Bounds.Height);
var ctx = new Context(Surface);
ctx.Matrix = info.Fill(Bounds);
Pattern p = new SurfacePattern(info.Surface);
ctx.SetSource(p);
ctx.Paint();
ctx.Dispose();
p.Dispose();
}
}
public ImageInfo(ImageInfo info, Widget w, Gdk.Rectangle bounds)
{
Cairo.Surface similar = CairoUtils.CreateSurface(w.GdkWindow);
Bounds = bounds;
Surface = similar.CreateSimilar(Content.ColorAlpha, Bounds.Width, Bounds.Height);
Context ctx = new Context(Surface);
ctx.Matrix = info.Fill(Bounds);
Pattern p = new SurfacePattern(info.Surface);
ctx.Source = p;
ctx.Paint();
((IDisposable)ctx).Dispose();
p.Destroy();
}
protected override bool OnExposeEvent(EventExpose args)
{
bool double_buffer = false;
base.OnExposeEvent(args);
Context ctx = CairoUtils.CreateContext(GdkWindow);
//Surface glitz = CairoUtils.CreateGlitzSurface (GdkWindow);
//Context ctx = new Context (glitz);
if (double_buffer)
{
ImageSurface cim = new ImageSurface(Format.RGB24,
Allocation.Width,
Allocation.Height);
Context buffer = new Context(cim);
OnExpose(buffer, args.Region);
SurfacePattern sur = new SurfacePattern(cim);
sur.Filter = Filter.Fast;
ctx.Source = sur;
SetClip(ctx, args.Region);
ctx.Paint();
((IDisposable)buffer).Dispose();
((IDisposable)cim).Dispose();
sur.Destroy();
}
else
{
OnExpose(ctx, args.Region);
}
//glitz.Flush ();
((IDisposable)ctx).Dispose();
return(true);
}
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));
MemorySurface image = new MemorySurface(Format.Argb32,
small.Width,
small.Height);
Context ctx = new Context(image);
//Pattern solid = new SolidPattern (0, 0, 0, 0);
//ctx.Source = solid;
//ctx.Paint ();
//solid.Destroy ();
ctx.Matrix = source.Fit(small);
ctx.Operator = Operator.Source;
Pattern p = new SurfacePattern(source.Surface);
ctx.Source = p;
Console.WriteLine(small);
ctx.Paint();
p.Destroy();
((IDisposable)ctx).Dispose();
Gdk.Pixbuf normal = CairoUtils.CreatePixbuf(image);
Gdk.Pixbuf blur = PixbufUtils.Blur(normal, 3);
ImageInfo overlay = new ImageInfo(blur);
blur.Dispose();
normal.Dispose();
image.Destroy();
return(overlay);
}
private void SetPixbuf(Pixbuf pixbuf)
{
Surface = CairoUtils.CreateSurface(pixbuf);
Bounds.Width = pixbuf.Width;
Bounds.Height = pixbuf.Height;
}