private void HandleNodeComputed(object o, Gegl.Rectangle rectangle)
{
rectangle.X = (int)(Scale * (rectangle.X - X));
rectangle.Y = (int)(Scale * (rectangle.Y - Y));
rectangle.Width = (int)Math.Ceiling(rectangle.Width * Scale);
rectangle.Height = (int)Math.Ceiling(rectangle.Height * Scale);
QueueDrawArea(rectangle.X, rectangle.Y, rectangle.Width, rectangle.Height);
}
public void Repaint(int width, int height)
{
//Gegl.Rectangle roi = new Gegl.Rectangle(x, y, Allocation.Width / scale, Allocation.Height/scale);
processor_rect = new Gegl.Rectangle();
processor_rect.Set(x, y, (uint) (width / scale), (uint) (height/scale));
Processor.Rectangle = processor_rect;
// refresh view twice a second
if (timeout_id == 0) {
timeout_id = GLib.Timeout.Add(200, delegate {
double progress;
Console.WriteLine("working: " + Allocation.Width + " " + Allocation.Height + " " + processor_rect.Width + " " + processor_rect.Height);
bool more = Processor.Work(out progress);
if (!more)
{
HandleNodeComputed(null, processor_rect);
timeout_id = 0;
}
return more;
});
}
}
private void HandleViewExposed(object sender, ExposeEventArgs args)
{
Console.WriteLine("exposed");
if (Node != null)
{
foreach (Gdk.Rectangle rect in args.Event.Region.GetRectangles())
{
Gegl.Rectangle roi = new Gegl.Rectangle();
roi.Set((int)(X + rect.X / Scale), (int)(Y + rect.Y / Scale), (uint)rect.Width, (uint)rect.Height);
byte [] buf = Node.Render(roi, Scale, "R'G'B' u8", Gegl.BlitFlags.Cache | Gegl.BlitFlags.Dirty);
this.GdkWindow.DrawRgbImage(
Style.WhiteGC,
rect.X, rect.Y,
rect.Width, rect.Height,
Gdk.RgbDither.None, buf, rect.Width * 3
);
}
}
args.RetVal = false; // returning false here, allows cairo to hook in and draw more
}
public void Repaint(int width, int height)
{
//Gegl.Rectangle roi = new Gegl.Rectangle(x, y, Allocation.Width / scale, Allocation.Height/scale);
processor_rect = new Gegl.Rectangle();
processor_rect.Set(x, y, (uint)(width / scale), (uint)(height / scale));
Processor.Rectangle = processor_rect;
// refresh view twice a second
if (timeout_id == 0)
{
timeout_id = GLib.Timeout.Add(200, delegate {
double progress;
Console.WriteLine("working: " + Allocation.Width + " " + Allocation.Height + " " + processor_rect.Width + " " + processor_rect.Height);
bool more = Processor.Work(out progress);
if (!more)
{
HandleNodeComputed(null, processor_rect);
timeout_id = 0;
}
return(more);
});
}
}
private void HandleViewExposed(object sender, ExposeEventArgs args)
{
Console.WriteLine("exposed");
if (Node != null) {
foreach (Gdk.Rectangle rect in args.Event.Region.GetRectangles()) {
Gegl.Rectangle roi = new Gegl.Rectangle();
roi.Set((int) (X + rect.X/Scale), (int) (Y + rect.Y/Scale), (uint) rect.Width, (uint) rect.Height);
byte [] buf = Node.Render(roi, Scale, "R'G'B' u8", Gegl.BlitFlags.Cache | Gegl.BlitFlags.Dirty);
this.GdkWindow.DrawRgbImage(
Style.WhiteGC,
rect.X, rect.Y,
rect.Width, rect.Height,
Gdk.RgbDither.None, buf, rect.Width*3
);
}
}
args.RetVal = false; // returning false here, allows cairo to hook in and draw more
}
