protected void RenderSpots(Gtk.Image image, Pixbuf input, int OriginX, int OriginY)
{
CopyToImage(image, input, OriginX, OriginY);
if (Spots.Count > 0)
{
foreach (var spot in Spots)
{
var x = Convert.ToInt32(spot.X) - OriginX;
var y = Convert.ToInt32(spot.Y) - OriginY;
if (x >= 0 && x < Parameters.WindowX && y >= 0 && y < Parameters.WindowY)
{
var pixbuf = image.Pixbuf;
var ptr = pixbuf.Pixels + y * pixbuf.Rowstride + x * pixbuf.NChannels;
for (var offset = 0; offset < pixbuf.NChannels; offset++)
{
Marshal.WriteByte(ptr, offset, 255);
}
}
}
image.QueueDraw();
}
}
protected void CopyToImage(Gtk.Image image, Pixbuf pixbuf, int OriginX, int OriginY)
{
if (pixbuf != null && image.Pixbuf != null)
{
image.Pixbuf.Fill(0);
pixbuf.CopyArea(OriginX, OriginY, Math.Min(image.WidthRequest, pixbuf.Width), Math.Min(image.HeightRequest, pixbuf.Height), image.Pixbuf, 0, 0);
image.QueueDraw();
}
}
public bool QueueDraw()
{
lock (AdjustedPixbuf) {
if (view.Transform != null)
{
view.Transform.Dispose();
}
view.Transform = next_transform;
view.QueueDraw();
hist.FillValues(AdjustedPixbuf);
histogram_image.QueueDraw();
}
return(false);
}
private void Redraw()
{
TooltipText = GetToolTip();
using (Gdk.GC gc = new Gdk.GC(map))
{
gc.Colormap = Gdk.Colormap.System;
gc.RgbFgColor = new Color(255, 255, 255);
map.DrawRectangle(gc, true, 0, 0, Diameter, Diameter);
// Paint a black ring
gc.RgbFgColor = new Color(0, 0, 0);
map.DrawArc(gc, true, Radius / 2, Radius / 2, Radius, Radius, 0, 360 * 64);
// Paint the inner colour
gc.RgbFgColor = GetColour();
map.DrawArc(gc, true, Radius / 2 + 1, Radius / 2 + 1, Radius - 2, Radius - 2, 0, 360 * 64);
}
image.QueueDraw();
}
void ProgressiveUpdatedCallback(object obj, AreaUpdatedArgs args)
{
progressiveImage.QueueDraw();
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//Graphics
private void ChangeImage(Gtk.Image image, Pixbuf pixbuf)
{
image.Pixbuf = pixbuf;
image.QueueDraw();
}
