public void Contained()
{
BlockProcessor proc = new BlockProcessor (new Rectangle (0, 0, 10, 10), 1000);
Rectangle step;
Assert.IsTrue (proc.Step (out step));
Assert.AreEqual (step, new Rectangle (0, 0, 10, 10));
Assert.IsFalse (proc.Step (out step));
}
public void Step()
{
BlockProcessor proc = new BlockProcessor (new Rectangle (10, 100, 25, 15), 20);
Rectangle step;
Assert.AreEqual (proc.Step (out step), true);
Assert.AreEqual (step, new Rectangle (10, 100, 20, 15));
Assert.AreEqual (proc.Step (out step), true);
Assert.AreEqual (step, new Rectangle (30, 100, 5, 15));
Assert.AreEqual (proc.Step (out step), false);
}
public static Gdk.Rectangle TransformAndCopy (Gdk.Pixbuf src, Gdk.Pixbuf dest, PixbufOrientation orientation, Gdk.Rectangle args)
{
Gdk.Rectangle area = TransformOrientation (src, args, orientation);
int step = 256;
Gdk.Rectangle rect = new Gdk.Rectangle (args.X, args.Y,
Math.Min (step, args.Width),
Math.Min (step, args.Height));
Gdk.Rectangle trect = TransformOrientation (src, rect, orientation);
Gdk.Pixbuf tmp = new Gdk.Pixbuf (src.Colorspace, src.HasAlpha,
src.BitsPerSample,
trect.Width, trect.Height);
Gdk.Rectangle subarea;
BlockProcessor proc = new BlockProcessor (args, 256);
while (proc.Step (out subarea)) {
Gdk.Rectangle trans = TransformOrientation (src, subarea, orientation);
Gdk.Pixbuf ssub = new Gdk.Pixbuf (src, subarea.X, subarea.Y,
subarea.Width, subarea.Height);
Gdk.Pixbuf tsub = new Gdk.Pixbuf (tmp, 0, 0, trans.Width, trans.Height);
CopyWithOrientation (ssub, tsub, orientation);
tsub.CopyArea (0, 0, trans.Width, trans.Height, dest, trans.X, trans.Y);
ssub.Dispose ();
tsub.Dispose ();
}
tmp.Dispose ();
return area;
}
private void OnExpose(Context ctx, Region region)
{
SetClip (ctx, region);
if (Transition != null) {
bool done = false;
foreach (Gdk.Rectangle area in GetRectangles (region)) {
BlockProcessor proc = new BlockProcessor (area, block_size);
Gdk.Rectangle subarea;
while (proc.Step (out subarea)) {
ctx.Save ();
SetClip (ctx, subarea);
done = ! Transition.OnExpose (ctx, Allocation);
ctx.Restore ();
}
}
if (done) {
System.Console.WriteLine ("frames = {0}", Transition.Frames);
Transition = null;
}
} else {
ctx.Operator = Operator.Source;
SurfacePattern p = new SurfacePattern (current.Surface);
p.Filter = Filter.Fast;
SetClip (ctx, region);
ctx.Matrix = current.Fill (Allocation);
ctx.Source = p;
ctx.Paint ();
p.Destroy ();
}
}
private Pixbuf CrossFade (Pixbuf current, Pixbuf prev, Pixbuf next, double percent)
{
Rectangle area = new Rectangle (0, 0, Allocation.Width, Allocation.Height);
BlockProcessor proc = new BlockProcessor (area, 256);
Rectangle subarea;
while (proc.Step (out subarea)) {
if (IsRealized)
GdkWindow.ProcessUpdates (false);
prev.CopyArea (subarea.X, subarea.Y, subarea.Width, subarea.Height, current, subarea.X, subarea.Y);
next.Composite (current, subarea.X, subarea.Y, subarea.Width, subarea.Height, 0, 0, 1, 1,
Gdk.InterpType.Nearest, (int) System.Math.Round (255 * percent));
}
return current;
}
