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#ifndef ZOOMEDIT_GUI_RENDERAREA_H_
#define ZOOMEDIT_GUI_RENDERAREA_H_
#include <gtkmm/drawingarea.h>
#include <libglademm/xml.h>
#include <gtk/gtkgl.h>
namespace ZoomEdit {
namespace Gui {
class RenderArea : public Gtk::DrawingArea {
public:
RenderArea(BaseObjectType *cobject, const Glib::RefPtr<Gnome::Glade::Xml> &xml);
private:
static GdkGLConfig *glconfig;
float x, y;
int zoomLevel;
float scale;
void onRealize();
bool onConfigureEvent(GdkEventConfigure *event);
bool onExposeEvent(GdkEventExpose *event);
bool onScrollEvent(GdkEventScroll *event);
void zoom(int zoom, float x = 0.5f, float y = 0.5f);
void updateViewport();
void drawGrid();
bool gdkGLBegin() {
GtkWidget *widget = GTK_WIDGET(gobj());
return gdk_gl_drawable_gl_begin(gtk_widget_get_gl_drawable(widget), gtk_widget_get_gl_context(widget));
}
void gdkSwapBuffers() {
gdk_gl_drawable_swap_buffers(gtk_widget_get_gl_drawable(GTK_WIDGET(gobj())));
}
void gdkGLEnd() {
gdk_gl_drawable_gl_end(gtk_widget_get_gl_drawable(GTK_WIDGET(gobj())));
}
};
}
}
#endif /*ZOOMEDIT_GUI_RENDERAREA_H_*/
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