104 lines
2.6 KiB
C++
104 lines
2.6 KiB
C++
/*
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* RenderArea.h
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*
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* Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.de>
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ZOOMEDIT_GUI_RENDERAREA_H_
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#define ZOOMEDIT_GUI_RENDERAREA_H_
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#include <gtkmm/drawingarea.h>
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#include <gtkmm/scrollbar.h>
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#include <libglademm/xml.h>
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#include <gtk/gtkgl.h>
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namespace ZoomEdit {
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namespace View {
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class View;
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}
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namespace Gui {
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class RenderArea : public Gtk::DrawingArea {
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public:
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RenderArea(BaseObjectType *cobject, const Glib::RefPtr<Gnome::Glade::Xml> &xml);
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View::View* getView() const {return view;}
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void setView(View::View *view0) {
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view = view0;
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queue_draw();
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}
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float getViewWidth() const {
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return get_width()/scale;
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}
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float getViewHeight() const {
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return get_height()/scale;
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}
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float getImageWidth() const {return 10;}
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float getImageHeight() const {return 10;}
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float getScale() const {return scale;}
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float getXCenter() const {return xCenter;}
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float getYCenter() const {return yCenter;}
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private:
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static GdkGLConfig *glconfig;
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Gtk::HScrollbar *hScrollbar;
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Gtk::VScrollbar *vScrollbar;
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View::View *view;
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float xCenter, yCenter;
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int zoomLevel;
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float scale;
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void onRealize();
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bool onConfigureEvent(GdkEventConfigure*);
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bool onExposeEvent(GdkEventExpose*);
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bool onScrollEvent(GdkEventScroll *event);
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void zoom(int zoom, float x = 0.5f, float y = 0.5f);
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void updateViewport();
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void updateScrollbars(float x = 0.5f, float y = 0.5f);
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void updateScrolling();
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bool gdkGLBegin() {
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GtkWidget *widget = GTK_WIDGET(gobj());
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return gdk_gl_drawable_gl_begin(gtk_widget_get_gl_drawable(widget), gtk_widget_get_gl_context(widget));
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}
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void gdkSwapBuffers() {
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gdk_gl_drawable_swap_buffers(gtk_widget_get_gl_drawable(GTK_WIDGET(gobj())));
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}
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void gdkGLEnd() {
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gdk_gl_drawable_gl_end(gtk_widget_get_gl_drawable(GTK_WIDGET(gobj())));
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}
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};
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}
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}
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#endif /*ZOOMEDIT_GUI_RENDERAREA_H_*/
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