public abstract void DrawImage(GraphicsHandler graphics, RectangleF source, RectangleF destination);
public abstract void Apply(object control, GraphicsHandler graphics);
public virtual void DrawImage(GraphicsHandler graphics, float x, float y)
{
DrawImage(graphics, x, y, Size.Width, Size.Height);
}
public virtual void DrawImage(GraphicsHandler graphics, float x, float y, float width, float height)
{
DrawImage(graphics, new RectangleF(new Point(0, 0), Size), new RectangleF(x, y, width, height));
}
public abstract void Apply(GraphicsHandler handler, bool first);
public override void Apply(GraphicsHandler handler, bool first)
{
apply(handler, first);
}
public virtual void DrawImage(GraphicsHandler graphics, int x, int y, int width, int height)
{
DrawImage(graphics, new Rectangle(new Point(0, 0), Size), new Rectangle(x, y, width, height));
}
public override void Apply(object control, GraphicsHandler graphics)
{
((TextureBrushObject)control).Apply(graphics);
}
public override void Apply(object control, GraphicsHandler graphics)
{
graphics.Control.Color = (Cairo.Color)control;
graphics.Control.Fill();
}
public void Apply(Pen widget, GraphicsHandler graphics)
{
((PenObject)widget.ControlObject).Apply(graphics);
}
public override void DrawImage(GraphicsHandler graphics, Rectangle source, Rectangle destination)
{
// copy to a surface
var surface = new Cairo.ImageSurface(Cairo.Format.Rgb24, source.Width, source.Height);
unsafe {
byte *destrow = (byte *)surface.DataPtr;
fixed(byte *srcdata = this.Control)
{
byte *srcrow = srcdata + (source.Top * rowStride) + source.Left;
for (int y = source.Top; y < source.Bottom; y++)
{
byte *src = (byte *)srcrow;
uint *dest = (uint *)destrow;
for (int x = source.Left; x < source.Right; x++)
{
*
dest = colors [*src];
src++;
dest++;
}
srcrow += rowStride;
destrow += surface.Stride;
}
}
}
var context = graphics.Control;
context.Save();
context.Rectangle(Generator.ConvertC(destination));
double scalex = 1;
double scaley = 1;
if (source.Width != destination.Width || source.Height != destination.Height)
{
scalex = (double)destination.Width / (double)source.Width;
scaley = (double)destination.Height / (double)source.Height;
context.Scale(scalex, scaley);
}
context.SetSourceSurface(surface, destination.Left, destination.Top);
context.Fill();
context.Restore();
/*
* if (graphics == null || graphics.Control == null || graphics.GC == null)
* throw new Exception("WHAA?");
* using (var drawable = new Gdk.Pixmap(graphics.Control, source.Right+1, source.Bottom+1))
* using (var gc = new Gdk.GC(drawable))
* {
* if (drawable.Colormap == null)
* drawable.Colormap = graphics.Control.Colormap;
* drawable.DrawIndexedImage(gc, 0, 0, source.Right+1, source.Bottom+1, Gdk.RgbDither.None, Control, this.rowStride, GetPmap());
* if (source.Width != destination.Width || source.Height != destination.Height)
* {
* // scale da shit
* Gdk.Pixbuf pb = new Gdk.Pixbuf(Gdk.Colorspace.Rgb, true, 8, source.Width, source.Height);
* pb.GetFromDrawable(drawable, drawable.Colormap, source.X, source.Y, 0, 0, source.Width, source.Height);
*
* Gdk.Pixbuf pbDest = new Gdk.Pixbuf(Gdk.Colorspace.Rgb, true, 8, destination.Width, destination.Height);
* pb.Scale(pbDest, 0, 0, destination.Width, destination.Height, 0, 0, (double)destination.Width / (double)source.Width,
* (double)destination.Height / (double)source.Height, Gdk.InterpType.Bilinear);
* pb.Dispose();
*
*
* graphics.Control.DrawPixbuf(graphics.GC, pbDest, 0, 0, destination.X, destination.Y, destination.Width, destination.Height, Gdk.RgbDither.None, 0, 0);
* pbDest.Dispose();
* }
* else
* {
* // no scaling necessary!
* graphics.Control.DrawDrawable(graphics.GC, drawable, source.X, source.Y, destination.X, destination.Y, destination.Width, destination.Height);
* }
*
* }*/
}
