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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2011 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright The 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
*/
#include <wx/image.h>
#include <wx/bitmap.h>
#include <wx/gdicmn.h>
#include <wx/mstream.h>
#include <wx/menu.h>
#include <wx/menuitem.h>
#include <wx/aui/auibar.h>
#include <wx/dcclient.h>
#include <wx/dcmemory.h>
#include <cstdint>
#include <mutex>
#include <unordered_map>
#include <asset_archive.h>
#include <bitmaps.h>
#include <bitmap_store.h>
#include <pgm_base.h>
#include <paths.h>
#include <kiplatform/ui.h>
#include <math/util.h>
#include <settings/common_settings.h>
static std::unique_ptr<BITMAP_STORE> s_BitmapStore;
struct SCALED_BITMAP_ID {
BITMAPS bitmap;
int scale;
bool operator==( SCALED_BITMAP_ID const& other ) const noexcept
{
return bitmap == other.bitmap && scale == other.scale;
}
};
namespace std {
template<> struct hash<SCALED_BITMAP_ID>
{
typedef SCALED_BITMAP_ID argument_type;
typedef std::size_t result_type;
result_type operator()( argument_type const& id ) const noexcept
{
static const bool sz64 = sizeof( uintptr_t ) == 8;
static const size_t mask = sz64 ? 0xF000000000000000uLL : 0xF0000000uL;
static const size_t offset = sz64 ? 60 : 28;
// The hash only needs to be fast and simple, not necessarily accurate - a collision
// only makes things slower, not broken. BITMAPS is a pointer, so the most
// significant several bits are generally going to be the same for all. Just convert
// it to an integer and stuff the scale factor into those bits.
return
( (uintptr_t)( id.bitmap ) & ~mask ) |
( ( (uintptr_t)( id.scale ) & 0xF ) << offset );
}
};
}
static std::unordered_map<SCALED_BITMAP_ID, wxBitmap> s_ScaledBitmapCache;
static std::mutex s_BitmapCacheMutex;
BITMAP_STORE* GetBitmapStore()
{
if( !s_BitmapStore )
{
wxFileName path( PATHS::GetStockDataPath() + wxT( "/resources" ), wxT( "images.zip" ) );
s_BitmapStore = std::make_unique<BITMAP_STORE>();
}
return s_BitmapStore.get();
}
wxBitmap KiBitmap( BITMAPS aBitmap, int aHeightTag )
{
return GetBitmapStore()->GetBitmap( aBitmap, aHeightTag );
}
wxBitmapBundle KiBitmapBundle( BITMAPS aBitmap, int aMinHeight )
{
return GetBitmapStore()->GetBitmapBundle( aBitmap, aMinHeight );
}
wxBitmapBundle KiDisabledBitmapBundle( BITMAPS aBitmap )
{
return GetBitmapStore()->GetDisabledBitmapBundle( aBitmap );
}
int KiIconScale( wxWindow* aWindow )
{
// For historical reasons, "4" here means unity (no scaling)
#if defined( __WXMSW__)
// Basically don't try and scale within KiCad and let wx do its thing
// with wx introducing bitmap bundles, it will auto scale automatically with dpi
// the issue is, none of the scaling factors have any tie to system scaling
// this means wx is actually going to scale again causing even more distorted icons
return 4;
#else
const int vert_size = aWindow->ConvertDialogToPixels( wxSize( 0, 8 ) ).y;
// Autoscale won't exceed unity until the system has quite high resolution,
// because we don't want the icons to look obviously scaled on a system
// where it's easy to see it.
if( vert_size > 34 ) return 8;
else if( vert_size > 29 ) return 7;
else if( vert_size > 24 ) return 6;
else return 4;
#endif
}
wxBitmap KiScaledBitmap( BITMAPS aBitmap, wxWindow* aWindow, int aHeight, bool aQuantized )
{
// Bitmap conversions are cached because they can be slow.
int scale = KiIconScale( aWindow );
if( aQuantized )
scale = KiROUND( (double) scale / 4.0 ) * 4;
SCALED_BITMAP_ID id = { static_cast<BITMAPS>( aBitmap ), scale };
std::lock_guard<std::mutex> guard( s_BitmapCacheMutex );
auto it = s_ScaledBitmapCache.find( id );
if( it != s_ScaledBitmapCache.end() )
{
return it->second;
}
else
{
wxBitmap bitmap = GetBitmapStore()->GetBitmapScaled( aBitmap, scale, aHeight );
return s_ScaledBitmapCache.emplace( id, bitmap ).first->second;
}
}
void ClearScaledBitmapCache()
{
std::lock_guard<std::mutex> guard( s_BitmapCacheMutex );
s_ScaledBitmapCache.clear();
}
wxBitmap KiScaledBitmap( const wxBitmap& aBitmap, wxWindow* aWindow )
{
const int scale = KiIconScale( aWindow );
if( scale == 4 )
{
return wxBitmap( aBitmap );
}
else
{
wxImage image = aBitmap.ConvertToImage();
image.Rescale( scale * image.GetWidth() / 4, scale * image.GetHeight() / 4,
wxIMAGE_QUALITY_BILINEAR );
return wxBitmap( image );
}
}
wxBitmap* KiBitmapNew( BITMAPS aBitmap )
{
wxBitmap* bitmap = new wxBitmap( GetBitmapStore()->GetBitmap( aBitmap ) );
return bitmap;
}
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