69 lines
2.2 KiB
C++
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>
|
|
|
|
|
|
HIDPI_GL_CANVAS::HIDPI_GL_CANVAS( wxWindow *parent,
|
|
wxWindowID id,
|
|
const int *attribList,
|
|
const wxPoint& pos,
|
|
const wxSize& size,
|
|
long style,
|
|
const wxString& name,
|
|
const wxPalette& palette ) :
|
|
wxGLCanvas( parent, id, attribList, pos, size, style, name, palette )
|
|
{
|
|
#ifdef RETINA_OPENGL_PATCH
|
|
SetViewWantsBestResolution( true );
|
|
#endif
|
|
}
|
|
|
|
|
|
wxSize HIDPI_GL_CANVAS::GetClientSize() const
|
|
{
|
|
wxSize size = wxGLCanvas::GetClientSize();
|
|
|
|
#ifdef RETINA_OPENGL_PATCH
|
|
const float scaleFactor = GetBackingScaleFactor();
|
|
size.x *= scaleFactor;
|
|
size.y *= scaleFactor;
|
|
#endif
|
|
|
|
return size;
|
|
}
|
|
|
|
float HIDPI_GL_CANVAS::GetBackingScaleFactor() const
|
|
{
|
|
#ifdef RETINA_OPENGL_PATCH
|
|
// this is ugly, but original method isn't marked const although it doesn't modify anything
|
|
// => clean up when it officially has arrived in wxWidgets
|
|
return static_cast< wxGLCanvas* >( const_cast< HIDPI_GL_CANVAS* >( this ))->GetBackingScaleFactor();
|
|
#else
|
|
return 1.0f;
|
|
#endif
|
|
}
|