GtkCRNDrawingPanel.h

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/* Copyright 2010-2016 CoReNum, INSA-Lyon, ENS-Lyon
 * 
 * This file is part of libgtkcrnmm.
 * 
 * libgtkcrnmm is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * libgtkcrnmm 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 Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with libgtkcrnmm.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * file: GtkCRNDrawingPanel.h
 * \author Yann LEYDIER
 */

#ifndef GtkCRNDrawingPanel_HEADER
#define GtkCRNDrawingPanel_HEADER

#include <libgtkcrnmm_config.h>

#ifndef CRN_USING_GTKMM3

#include <gtkmm.h>
#include <CRNGeometry/CRNPoint2DDouble.h>
#include <GtkCRNColorAction.h>
#include <GtkCRNScaleAction.h>

namespace GtkCRN
{
    class DrawingPanel: public Gtk::DrawingArea
    {
        public:
            DrawingPanel();
            virtual ~DrawingPanel() override {}

            Glib::RefPtr<Gtk::ActionGroup> get_actions() { return actions; }
            void set_zoom(double z);

            void clear();

#ifdef CRN_USING_GTKMM3
            Gdk::RGBA get_background() const;
#else /* CRN_USING_GTKMM3 */
            Gdk::Color get_background() const;
#endif /* CRN_USING_GTKMM3 */

#ifdef CRN_USING_GTKMM3
            void set_background(const Gdk::RGBA& col);
#else /* CRN_USING_GTKMM3 */
            void set_background(const Gdk::Color& col);
#endif /* CRN_USING_GTKMM3 */

#ifdef CRN_USING_GTKMM3
            Gdk::RGBA get_foreground() const;
#else /* CRN_USING_GTKMM3 */
            Gdk::Color get_foreground() const;
#endif /* CRN_USING_GTKMM3 */

#ifdef CRN_USING_GTKMM3
            void set_foreground(const Gdk::RGBA& col);
#else /* CRN_USING_GTKMM3 */
            void set_foreground(const Gdk::Color& col);
#endif /* CRN_USING_GTKMM3 */

            Glib::RefPtr<Gdk::Pixbuf> create_image();

        private:
            bool draw();
            bool on_button_press(GdkEventButton *ev);
            bool on_motion(GdkEventMotion *ev);
#ifdef CRN_USING_GTKMM3
            bool on_expose(const Cairo::RefPtr<Cairo::Context> &);
#else /* CRN_USING_GTKMM3 */
            bool on_expose(GdkEventExpose *ev);
#endif /* CRN_USING_GTKMM3 */

            void modify_thickness(double val);
            void on_thickness_set();

            double thickness; 
            double zoom; 
            std::vector<std::vector<crn::Point2DDouble>> stroke_list; 
            Glib::RefPtr<Gtk::ActionGroup> actions; 
#ifndef CRN_USING_GTKMM3
            Glib::RefPtr<GtkCRN::ColorAction> bg_act, fg_act;
            Glib::RefPtr<GtkCRN::ScaleAction> thick_act;
#endif
    };
}

#endif

#endif