// Each handler here should contain Application.Invoke
void HandleRenderingQueueItemRendering(object sender, RenderingTaskEventArgs e)
{
Application.Invoke(delegate {
FloatBitmapGtk renderDest = (FloatBitmapGtk)e.Target.Stage.CurrentImage;
// Drawing to pixbuf and saving to file
using (Gdk.Pixbuf rp = new Gdk.Pixbuf(Gdk.Colorspace.Rgb, false, 8, renderDest.Width, renderDest.Height))
{
renderDest.DrawToPixbuf(rp,
delegate (double progress) {
// TODO: report progress via RenderingTask (needed to create an event)
//rpw.SetStatusAndProgress(progress, "Saving image...");
return true;
}
);
// TODO: "quality" must be specified for jpeg only.
// For png it should be "tEXt" fields.
// http://www.libpng.org/pub/png/spec/1.2/PNG-Chunks.html
rp.Savev(e.Target.Destination, e.Target.FileType, new string[] { "quality" }, new string[] { "95" });
}
});
}
void HandleRenderingQueueItemRemoved(object sender, RenderingTaskEventArgs e)
{
Application.Invoke(delegate {
RefreshQueueList();
if (!expander1.Expanded)
{
queue_GtkLabel.Markup = "<b>Tasks queue (" + mRenderingQueue.Queue.Length + " left)</b>";
}
});
}
void HandleRenderingQueueBeforeItemProcessingStarted(object sender, RenderingTaskEventArgs e)
{
Application.Invoke(delegate {
cancel_button.Sensitive = true;
cancelAll_button.Sensitive = true;
source_label.Text = "";
destination_label.Text = "";
processing_progressbar.Fraction = 0;
processing_progressbar.Text = "Starting the render process...";
mProcessingStatusIcon.Visible = true;
updateMoment = DateTime.Now;
});
}
void HandleRenderingQueueItemIndexChanged(object sender, RenderingTaskEventArgs e)
{
Application.Invoke(delegate {
RefreshQueueList();
});
}
void HandleRenderingQueueAfterItemProcessingFinished(object sender, RenderingTaskEventArgs e)
{
Application.Invoke(delegate {
source_label.Text = "";
destination_label.Text = "";
processing_progressbar.Fraction = 1;
processing_progressbar.Text = "Render process is completed";
thumb_image.Clear();
});
}
