kicad/include/gal/hidpi_gl_canvas.h

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/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2017 Bernhard Stegmaier <stegmaier@sw-systems.de>
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* Copyright (C) 2016-2020 Kicad Developers, see AUTHORS.txt for contributors.
*
* Base class for HiDPI aware wxGLCanvas implementations.
*
* 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 HIDPI_GL_CANVAS_H
#define HIDPI_GL_CANVAS_H
#include <wx/glcanvas.h>
/**
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* wxGLCanvas wrapper for HiDPI/Retina support.
*
* This is a small wrapper class to enable HiDPI/Retina support for wxGLCanvas.
*/
class HIDPI_GL_CANVAS : public wxGLCanvas
{
public:
// wxGLCanvas constructor
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HIDPI_GL_CANVAS( wxWindow *parent, wxWindowID id = wxID_ANY, const int *attribList = NULL,
const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize,
long style = 0, const wxString& name = wxGLCanvasName,
const wxPalette& palette = wxNullPalette );
virtual wxSize GetNativePixelSize() const;
/**
* Set the canvas scale factor, probably for a hi-DPI display.
*/
void SetScaleFactor( double aFactor );
/**
* Get the current scale factor
*/
double GetScaleFactor() const;
private:
/**
* The current scale factor (e.g. for hi-DPI displays)
*/
double m_scale_factor;
};
#endif // HIDPI_GL_CANVAS_H