kicad/common/gal/hidpi_gl_canvas.cpp

69 lines
2.2 KiB
C++

/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2017 Bernhard Stegmaier <stegmaier@sw-systems.de>
* Copyright (C) 2016-2017 Kicad Developers, see change_log.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
*/
#include <gal/hidpi_gl_canvas.h>
#include <gal/dpi_scaling.h>
HIDPI_GL_CANVAS::HIDPI_GL_CANVAS( const KIGFX::VC_SETTINGS& aSettings, wxWindow* aParent, wxWindowID aId,
const int* aAttribList,
const wxPoint& aPos, const wxSize& aSize, long aStyle,
const wxString& aName, const wxPalette& aPalette ) :
wxGLCanvas( aParent, aId, aAttribList, aPos, aSize, aStyle, aName, aPalette ),
m_settings( aSettings )
{
}
wxSize HIDPI_GL_CANVAS::GetNativePixelSize() const
{
wxSize size = wxGLCanvas::GetClientSize();
const double scaleFactor = GetScaleFactor();
size.x *= scaleFactor;
size.y *= scaleFactor;
return size;
}
wxPoint HIDPI_GL_CANVAS::GetNativePosition( const wxPoint& aPoint ) const
{
wxPoint nativePoint = aPoint;
const double scaleFactor = GetScaleFactor();
nativePoint.x *= scaleFactor;
nativePoint.y *= scaleFactor;
return nativePoint;
}
double HIDPI_GL_CANVAS::GetScaleFactor() const
{
return GetContentScaleFactor();
}