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/* Copyright 2005 Matt Flax <flatmax@ieee.org>
This file is part of MFFM GTK wrapper class set
MFFM GTK wrapper class set is free software; you can redistribute
it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
MFFM GTK wrapper class set is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You have received a copy of the GNU General Public License
along with MFFM GTK wrapper class set
*/
#ifndef PIXMAP_H_
#define PIXMAP_H_
#include <gtk/gtk.h>
#include <iomanip>
//#define DEBUG_P
/** Encapsulates the requirements of Gtk Pixmap
*/
class Pixmap {
GtkWidget *gtkPixmap;
GdkPixmap *gdkPixmap;
static void expose_event(GtkWidget *widget, GdkEventExpose *event, gpointer data){
#ifdef DEBUG_P
cout<<"Pixmap::Expose event"<<endl;
#endif
GdkPixmap *pix=((Pixmap*)data)->getGdkPixmap();
gdk_draw_pixmap(widget->window, widget->style->fg_gc[GTK_WIDGET_STATE (widget)], pix, event->area.x, event->area.y, event->area.x, event->area.y, event->area.width, event->area.height);
//cout<<event->area.x <<'\t'<<event->area.y<< '\t'<<event->area.width<< '\t'<< event->area.height<<endl;
// GdkRectangle rect={0,0, event->area.width, event->area.height};
#ifdef DEBUG_P
cout<<"Pixmap::Expose event exit"<<endl;
#endif
}
static void configure_event(GtkWidget *widget, GdkEventConfigure *event, gpointer data){
#ifdef DEBUG_P
cout<<"Pixmap::Configure event"<<endl;
#endif
GdkPixmap *pix=((Pixmap*)data)->getGdkPixmap();
if (pix) gdk_pixmap_unref(pix);
pix=gdk_pixmap_new(widget->window,widget->allocation.width, widget->allocation.height, -1);
gdk_pixmap_ref(pix);
((Pixmap*)data)->setPixmap(pix);
}
public:
/// Constructor, requires the desired size
Pixmap(int xSize, int ySize){
#ifdef DEBUG_P
cout<<"Pixmap::Pixmap"<<endl;
#endif
gdkPixmap=(GdkPixmap *)NULL;
gtkPixmap=gtk_drawing_area_new();
gtk_drawing_area_size (GTK_DRAWING_AREA(gtkPixmap), xSize, ySize);
gtk_widget_show(gtkPixmap);
gtk_signal_connect (GTK_OBJECT(gtkPixmap), "expose_event", GTK_SIGNAL_FUNC(expose_event), this);
// gtk_signal_connect (GTK_OBJECT(gtkPixmap),"configure_event", GTK_SIGNAL_FUNC(configure_event), this);
GdkPixmap *pix=getGdkPixmap();
if (pix) gdk_pixmap_unref(pix);
pix=gdk_pixmap_new(NULL,xSize, ySize, gdk_visual_get_best_depth ());
gdk_pixmap_ref(pix);
setPixmap(pix);
}
~Pixmap(){
#ifdef DEBUG_P
cout<<"Pixmap::~Pixmap"<<endl;
#endif
if (gdkPixmap) gdk_pixmap_unref(gdkPixmap);
}
/// Returns the Gtk window
GtkWidget *getGtkPixmap(){return gtkPixmap;}
/// Returns the Gdk Pixmap
GdkPixmap *getGdkPixmap(){return gdkPixmap;}
void setPixmap(GdkPixmap * pix){gdkPixmap=pix;}
};
#endif //PIXMAP_H_
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