kicad/common/cursor_store.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2019 KiCad Developers, see CHANGELOG.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
*/
#include <cursor_store.h>
#include <wx/bitmap.h>
#include <wx/debug.h>
/**
* Construct a cursor for the given definition.
*
* How to do this depends on the platform, see
* http://docs.wxwidgets.org/trunk/classwx_cursor.html
*
* @param aDef the cursor definition
* @return a newly constructed cursor if the platform is supported,
* else wxNullCursor
*/
wxCursor constructCursor( const CURSOR_STORE::CURSOR_DEF& aDef )
{
#if defined( __WXMSW__ ) || defined( __WXMAC__ )
wxBitmap img_bitmap(
reinterpret_cast<const char*>( aDef.m_image_data ), aDef.m_size.x, aDef.m_size.y );
wxBitmap msk_bitmap(
reinterpret_cast<const char*>( aDef.m_mask_data ), aDef.m_size.x, aDef.m_size.y );
img_bitmap.SetMask( new wxMask( msk_bitmap ) );
wxImage image( img_bitmap.ConvertToImage() );
#if defined( __WXMSW__ )
image.SetMaskColour( 255, 255, 255 );
#endif
image.SetOption( wxIMAGE_OPTION_CUR_HOTSPOT_X, aDef.m_hotspot.x );
image.SetOption( wxIMAGE_OPTION_CUR_HOTSPOT_Y, aDef.m_hotspot.y );
return wxCursor{ image };
#elif defined( __WXGTK__ ) || defined( __WXMOTIF__ )
return wxCursor{
reinterpret_cast<const char*>( aDef.m_image_data ),
aDef.m_size.x,
aDef.m_size.y,
aDef.m_hotspot.x,
aDef.m_hotspot.y,
reinterpret_cast<const char*>( aDef.m_mask_data ),
};
#else
wxASSERT_MSG( false, "Unknown platform for cursor construction." );
return wxNullCursor;
#endif
}
CURSOR_STORE::CURSOR_STORE( const std::vector<CURSOR_DEF>& aDefs )
{
for( const auto& def : aDefs )
{
m_store[def.m_id_key] = constructCursor( def );
}
}
const wxCursor& CURSOR_STORE::Get( int aIdKey ) const
{
const auto find_iter = m_store.find( aIdKey );
if( find_iter != m_store.end() )
{
return find_iter->second;
}
wxASSERT_MSG( false,
wxString::Format( "Could not find cursor with ID %d", static_cast<int>( aIdKey ) ) );
return wxNullCursor;
}