gal_display_options.h

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/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2017-2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program 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.
*
* This program 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 should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
*/
 
#ifndef GAL_DISPLAY_OPTIONS_H__
#define GAL_DISPLAY_OPTIONS_H__
 
#include <gal/gal.h>
#include <dpi_scaling.h>
#include <core/observable.h>
 
class COMMON_SETTINGS;
struct WINDOW_SETTINGS;
class wxString;
class wxWindow;
 
#if defined( _MSC_VER )
#pragma warning( push )
#pragma warning( disable : 4275 )
#endif
 
namespace KIGFX
{
    enum class GRID_STYLE
    {
        DOTS,       
        LINES,      
        SMALL_CROSS 
    };
 
    enum class OPENGL_ANTIALIASING_MODE
    {
        NONE,
        SMAA,
        SUPERSAMPLING,
    };
 
    enum class CAIRO_ANTIALIASING_MODE
    {
        NONE,
        FAST,
        GOOD,
    };
 
    enum class GRID_SNAPPING
    {
        ALWAYS,
        WITH_GRID,
        NEVER
    };
 
    class GAL_DISPLAY_OPTIONS;
 
    class GAL_API GAL_DISPLAY_OPTIONS_OBSERVER
    {
    public:
        virtual void OnGalDisplayOptionsChanged( const GAL_DISPLAY_OPTIONS& ) = 0;
    protected:
        // Observer lifetimes aren't handled by base class pointer
        virtual ~GAL_DISPLAY_OPTIONS_OBSERVER() {}
    };
 
    class GAL_API GAL_DISPLAY_OPTIONS : public UTIL::OBSERVABLE<GAL_DISPLAY_OPTIONS_OBSERVER>
    {
    public:
        GAL_DISPLAY_OPTIONS();
 
        OPENGL_ANTIALIASING_MODE gl_antialiasing_mode;
 
        CAIRO_ANTIALIASING_MODE cairo_antialiasing_mode;
 
        KIGFX::GRID_STYLE m_gridStyle;
 
        GRID_SNAPPING m_gridSnapping;
 
        double m_gridLineWidth;
 
        double m_gridMinSpacing;
 
        bool m_axesEnabled;
 
        bool m_fullscreenCursor;
 
        bool m_forceDisplayCursor;
 
        double m_scaleFactor;
 
        void NotifyChanged();
    };
 
} // namespace KIGFX
 
#if defined( _MSC_VER )
#pragma warning( pop )
#endif
 
#endif