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livetrax/libs/canvas/pixbuf.cc

59 lines
922 B
C++

#include <cairomm/cairomm.h>
#include <gdkmm/general.h>
#include "pbd/xml++.h"
#include "canvas/pixbuf.h"
using namespace std;
using namespace ArdourCanvas;
Pixbuf::Pixbuf (Group* g)
: Item (g)
{
}
void
Pixbuf::render (Rect const & /*area*/, Cairo::RefPtr<Cairo::Context> context) const
{
Gdk::Cairo::set_source_pixbuf (context, _pixbuf, 0, 0);
context->paint ();
}
void
Pixbuf::compute_bounding_box () const
{
if (_pixbuf) {
_bounding_box = boost::optional<Rect> (Rect (0, 0, _pixbuf->get_width(), _pixbuf->get_height()));
} else {
_bounding_box = boost::optional<Rect> ();
}
_bounding_box_dirty = false;
}
void
Pixbuf::set (Glib::RefPtr<Gdk::Pixbuf> pixbuf)
{
begin_change ();
_pixbuf = pixbuf;
_bounding_box_dirty = true;
end_change ();
}
XMLNode *
Pixbuf::get_state () const
{
/* XXX */
return new XMLNode ("Pixbuf");
}
void
Pixbuf::set_state (XMLNode const * /*node*/)
{
/* XXX */
}