301 lines
8.6 KiB
C++
301 lines
8.6 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2011 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
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* Copyright (C) 2017-2018 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <wx/image.h>
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#include <wx/bitmap.h>
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#include <wx/mstream.h>
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#include <wx/menu.h>
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#include <wx/menuitem.h>
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#include <wx/aui/auibar.h>
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#include <cstdint>
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#include <mutex>
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#include <unordered_map>
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#include <common.h>
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#include <bitmaps.h>
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#include <pgm_base.h>
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#include <eda_base_frame.h>
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#include <draw_frame.h>
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struct SCALED_BITMAP_ID {
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BITMAP_DEF bitmap;
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int scale;
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bool operator==( SCALED_BITMAP_ID const& other ) const noexcept
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{
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return bitmap == other.bitmap && scale == other.scale;
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}
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};
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namespace std {
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template<> struct hash<SCALED_BITMAP_ID>
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{
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typedef SCALED_BITMAP_ID argument_type;
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typedef std::size_t result_type;
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result_type operator()( argument_type const& id ) const noexcept
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{
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static const bool sz64 = sizeof( uintptr_t ) == 8;
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static const size_t mask = sz64 ? 0xF000000000000000uLL : 0xF0000000uL;
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static const size_t offset = sz64 ? 60 : 28;
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// The hash only needs to be fast and simple, not necessarily accurate - a collision
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// only makes things slower, not broken. BITMAP_DEF is a pointer, so the most
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// significant several bits are generally going to be the same for all. Just convert
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// it to an integer and stuff the scale factor into those bits.
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return
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( (uintptr_t)( id.bitmap ) & ~mask ) |
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( ( (uintptr_t)( id.scale ) & 0xF ) << offset );
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}
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};
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}
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wxBitmap KiBitmap( BITMAP_DEF aBitmap )
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{
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wxMemoryInputStream is( aBitmap->png, aBitmap->byteCount );
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wxImage image( is, wxBITMAP_TYPE_PNG );
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wxBitmap bitmap( image );
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return bitmap;
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}
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int KiIconScale( wxWindow* aWindow )
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{
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const int vert_size = aWindow->ConvertDialogToPixels( wxSize( 0, 8 ) ).y;
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// Autoscale won't exceed unity until the system has quite high resolution,
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// because we don't want the icons to look obviously scaled on a system
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// where it's easy to see it.
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if( vert_size > 34 ) return 8;
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else if( vert_size > 29 ) return 7;
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else if( vert_size > 24 ) return 6;
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else return 4;
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}
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static int get_scale_factor( EDA_BASE_FRAME* aWindow )
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{
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int requested_scale;
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Pgm().CommonSettings()->Read( ICON_SCALE_KEY, &requested_scale, 0 );
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if( requested_scale > 0 )
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return requested_scale;
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else
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return KiIconScale( aWindow );
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}
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wxBitmap KiScaledBitmap( BITMAP_DEF aBitmap, EDA_BASE_FRAME* aWindow )
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{
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// Bitmap conversions are cached because they can be slow.
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static std::unordered_map<SCALED_BITMAP_ID, wxBitmap> bitmap_cache;
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static std::mutex bitmap_cache_mutex;
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const int scale = get_scale_factor( aWindow );
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SCALED_BITMAP_ID id = { aBitmap, scale };
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std::lock_guard<std::mutex> guard( bitmap_cache_mutex );
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auto it = bitmap_cache.find( id );
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if( it != bitmap_cache.end() )
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{
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return it->second;
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}
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else
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{
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wxMemoryInputStream is( aBitmap->png, aBitmap->byteCount );
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wxImage image( is, wxBITMAP_TYPE_PNG );
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// Bilinear seems to genuinely look better for these line-drawing icons
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// than bicubic, despite claims in the wx documentation that bicubic is
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// "highest quality". I don't recommend changing this. Bicubic looks
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// blurry and makes me want an eye exam.
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image.Rescale( scale * image.GetWidth() / 4, scale * image.GetHeight() / 4,
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wxIMAGE_QUALITY_BILINEAR );
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return bitmap_cache.emplace( id, wxBitmap( image ) ).first->second;
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}
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}
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wxBitmap KiScaledBitmap( const wxBitmap& aBitmap, EDA_BASE_FRAME* aWindow )
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{
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const int scale = get_scale_factor( aWindow );
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if( scale == 4)
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{
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return wxBitmap( aBitmap );
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}
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else
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{
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wxImage image = aBitmap.ConvertToImage();
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image.Rescale( scale * image.GetWidth() / 4, scale * image.GetHeight() / 4,
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wxIMAGE_QUALITY_BILINEAR );
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return wxBitmap( image );
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}
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}
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void KiScaledSeparator( wxAuiToolBar* aToolbar, EDA_BASE_FRAME* aWindow )
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{
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const int scale = get_scale_factor( aWindow );
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if( scale > 4 )
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{
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aToolbar->AddSpacer( 16 * ( scale - 4 ) / 4 );
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}
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aToolbar->AddSeparator();
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if( scale > 4 )
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{
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aToolbar->AddSpacer( 16 * ( scale - 4 ) / 4 );
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}
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}
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wxBitmap* KiBitmapNew( BITMAP_DEF aBitmap )
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{
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wxMemoryInputStream is( aBitmap->png, aBitmap->byteCount );
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wxImage image( is, wxBITMAP_TYPE_PNG );
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wxBitmap* bitmap = new wxBitmap( image );
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return bitmap;
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}
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bool SaveCanvasImageToFile( EDA_DRAW_FRAME* aFrame, const wxString& aFileName,
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wxBitmapType aBitmapType )
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{
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wxCHECK( aFrame != nullptr, false );
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bool retv = true;
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// Make a screen copy of the canvas:
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wxSize image_size = aFrame->GetGalCanvas()->GetClientSize();
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wxClientDC dc( aFrame->GetGalCanvas() );
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wxBitmap bitmap( image_size.x, image_size.y );
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wxMemoryDC memdc;
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memdc.SelectObject( bitmap );
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memdc.Blit( 0, 0, image_size.x, image_size.y, &dc, 0, 0 );
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memdc.SelectObject( wxNullBitmap );
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wxImage image = bitmap.ConvertToImage();
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if( !image.SaveFile( aFileName, aBitmapType ) )
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retv = false;
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image.Destroy();
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return retv;
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}
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void AddBitmapToMenuItem( wxMenuItem* aMenu, const wxBitmap& aImage )
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{
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// Retrieve the global applicaton show icon option:
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bool useImagesInMenus;
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Pgm().CommonSettings()->Read( USE_ICONS_IN_MENUS_KEY, &useImagesInMenus );
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wxItemKind menu_type = aMenu->GetKind();
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if( useImagesInMenus )
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{
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if( menu_type == wxITEM_CHECK || menu_type == wxITEM_RADIO )
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{
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#if defined( __WINDOWS__ )
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aMenu->SetBitmaps( KiBitmap( checked_ok_xpm ), aImage );
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// A workaround to a strange bug on Windows, wx Widgets 3.0:
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// size of bitmaps is not taken in account for wxITEM_{CHECK,RADIO} menu
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// unless we call SetFont
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aMenu->SetFont( *wxNORMAL_FONT );
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#endif
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}
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else if( menu_type != wxITEM_RADIO )
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{
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aMenu->SetBitmap( aImage );
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}
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}
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}
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wxMenuItem* AddMenuItem( wxMenu* aMenu, int aId, const wxString& aText,
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const wxBitmap& aImage, wxItemKind aType = wxITEM_NORMAL )
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{
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wxMenuItem* item = new wxMenuItem( aMenu, aId, aText, wxEmptyString, aType );
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AddBitmapToMenuItem( item, aImage );
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aMenu->Append( item );
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return item;
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}
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wxMenuItem* AddMenuItem( wxMenu* aMenu, int aId, const wxString& aText,
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const wxString& aHelpText, const wxBitmap& aImage,
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wxItemKind aType = wxITEM_NORMAL )
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{
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wxMenuItem* item = new wxMenuItem( aMenu, aId, aText, aHelpText, aType );
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AddBitmapToMenuItem( item, aImage );
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aMenu->Append( item );
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return item;
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}
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wxMenuItem* AddMenuItem( wxMenu* aMenu, wxMenu* aSubMenu, int aId,
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const wxString& aText, const wxBitmap& aImage )
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{
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wxMenuItem* item = new wxMenuItem( aMenu, aId, aText );
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item->SetSubMenu( aSubMenu );
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AddBitmapToMenuItem( item, aImage );
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aMenu->Append( item );
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return item;
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}
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wxMenuItem* AddMenuItem( wxMenu* aMenu, wxMenu* aSubMenu, int aId,
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const wxString& aText, const wxString& aHelpText,
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const wxBitmap& aImage )
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{
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wxMenuItem* item = new wxMenuItem( aMenu, aId, aText, aHelpText );
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item->SetSubMenu( aSubMenu );
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AddBitmapToMenuItem( item, aImage );
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aMenu->Append( item );
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return item;
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}
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