kicad/common/bitmap_store.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2021 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <wx/bitmap.h>
#include <wx/filename.h>
#include <wx/log.h>
#include <wx/mstream.h>
#include <wx/stdpaths.h>
#include <advanced_config.h>
#include <asset_archive.h>
#include <bitmaps.h>
#include <bitmap_store.h>
#include <bitmaps/bitmap_info.h>
#include <hash.h>
#include <kiplatform/ui.h>
#include <paths.h>
#include <pgm_base.h>
#include <settings/common_settings.h>
/// A question-mark icon shown when we can't find a given bitmap in the archive
static const unsigned char s_imageNotFound[] = {
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0x3a, 0x34, 0x12, 0xb1, 0x19, 0x0c, 0xa2, 0x34, 0xfe, 0xc4, 0x24, 0x29, 0x93, 0xa1, 0x0c, 0x52,
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0x9d, 0x6f, 0x60, 0x43, 0x9c, 0x0c, 0xd8, 0xe5, 0x8f, 0xba, 0xb4, 0x0d, 0x95, 0xc5, 0x39, 0x3a,
0x18, 0x3f, 0x22, 0xd6, 0xda, 0x77, 0x0d, 0x69, 0xeb, 0x77, 0x8e, 0x0a, 0xd4, 0x85, 0xbd, 0xac,
0x3b, 0xb7, 0x8b, 0x2e, 0x54, 0xdc, 0xed, 0x08, 0xe0, 0x39, 0xf9, 0xcd, 0x0a, 0x45, 0xd7, 0x3a,
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0xd5, 0xfd, 0x99, 0x8d, 0x6c, 0x4c, 0x4b, 0x4e, 0x3b, 0x02, 0x7c, 0x6c, 0xc6, 0xee, 0xf0, 0x64,
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0xae, 0x42, 0x60, 0x82,
};
/// Icon used for EDA_ITEMs that don't have a custom icon configured
/// @todo Replace this with an external file?
static const unsigned char s_dummyItem[] = {
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0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x10, 0x08, 0x06, 0x00, 0x00, 0x00, 0x1f, 0xf3, 0xff,
0x61, 0x00, 0x00, 0x00, 0x5f, 0x49, 0x44, 0x41, 0x54, 0x38, 0xcb, 0x63, 0xf8, 0xff, 0xff, 0x3f,
0x03, 0x25, 0x98, 0x61, 0x68, 0x1a, 0x00, 0x04, 0x46, 0x40, 0xfc, 0x02, 0x88, 0x45, 0x41, 0x1c,
0x76, 0x20, 0xfe, 0x01, 0xc4, 0xbe, 0x24, 0x18, 0x60, 0x01, 0xc4, 0x20, 0x86, 0x04, 0x88, 0xc3,
0x01, 0xe5, 0x04, 0x0c, 0xb8, 0x01, 0x37, 0x81, 0xf8, 0x04, 0x91, 0xf8, 0x0a, 0x54, 0x8f, 0x06,
0xb2, 0x01, 0x9b, 0x81, 0x78, 0x02, 0x91, 0x78, 0x05, 0x54, 0x8f, 0xca, 0xe0, 0x08, 0x03, 0x36,
0xa8, 0xbf, 0xec, 0xc8, 0x32, 0x80, 0xcc, 0x84, 0x04, 0x0a, 0xbc, 0x1d, 0x40, 0x2c, 0xc8, 0x30,
0xf4, 0x33, 0x13, 0x00, 0x6b, 0x1a, 0x46, 0x7b, 0x68, 0xe7, 0x0f, 0x0b, 0x00, 0x00, 0x00, 0x00,
0x49, 0x45, 0x4e, 0x44, 0xae, 0x42, 0x60, 0x82,
};
static const wxString traceBitmaps = wxT( "KICAD_BITMAPS" );
static const wxString IMAGE_ARCHIVE = wxT( "images.tar.gz" );
size_t std::hash<std::pair<BITMAPS, int>>::operator()( const std::pair<BITMAPS, int>& aPair ) const
{
std::size_t seed = 0xa82de1c0;
hash_combine( seed, static_cast<size_t>( aPair.first ), static_cast<size_t>( aPair.second ) );
return seed;
}
BITMAP_STORE::BITMAP_STORE()
{
wxFileName path( PATHS::GetStockDataPath() + wxT( "/resources" ), IMAGE_ARCHIVE );
wxLogTrace( traceBitmaps, "Loading bitmaps from " + path.GetFullPath() );
m_archive = std::make_unique<ASSET_ARCHIVE>( path.GetFullPath() );
buildBitmapInfoCache();
ThemeChanged();
}
wxBitmap BITMAP_STORE::GetBitmap( BITMAPS aBitmapId, int aHeight )
{
return wxBitmap( getImage( aBitmapId, aHeight ) );
}
wxBitmap BITMAP_STORE::GetBitmapScaled( BITMAPS aBitmapId, int aScaleFactor, int aHeight )
{
wxImage image = getImage( aBitmapId, aHeight );
// Bilinear seems to genuinely look better for these line-drawing icons
// than bicubic, despite claims in the wx documentation that bicubic is
// "highest quality". I don't recommend changing this. Bicubic looks
// blurry and makes me want an eye exam.
image.Rescale( aScaleFactor * image.GetWidth() / 4, aScaleFactor * image.GetHeight() / 4,
wxIMAGE_QUALITY_BILINEAR );
return wxBitmap( image );
}
wxImage BITMAP_STORE::getImage( BITMAPS aBitmapId, int aHeight )
{
const unsigned char* data = nullptr;
long count;
if( aBitmapId == BITMAPS::dummy_item )
{
data = s_dummyItem;
count = sizeof( s_dummyItem );
}
else
{
count = m_archive->GetFilePointer( bitmapName( aBitmapId, aHeight ), &data );
if( count < 0 )
{
wxLogTrace( traceBitmaps, "Bitmap for %d, %d, %s has an info tag with file %s,"
"but that file could not be found in the archive!",
aBitmapId, aHeight, m_theme );
data = s_imageNotFound;
count = sizeof( s_imageNotFound );
}
}
wxMemoryInputStream is( data, count );
wxImage image( is, wxBITMAP_TYPE_PNG );
return image;
}
void BITMAP_STORE::ThemeChanged()
{
COMMON_SETTINGS* settings = Pgm().GetCommonSettings();
wxString oldTheme = m_theme;
2021-04-29 03:24:19 +00:00
if( settings )
{
switch( settings->m_Appearance.icon_theme )
{
case ICON_THEME::LIGHT: m_theme = wxT( "light" ); break;
case ICON_THEME::DARK: m_theme = wxT( "dark" ); break;
case ICON_THEME::AUTO:
m_theme = KIPLATFORM::UI::IsDarkTheme() ? wxT( "dark" ) : wxT( "light" );
break;
}
}
else
{
m_theme = wxT( "light" );
}
if( !oldTheme.IsSameAs( m_theme ) )
m_bitmapNameCache.clear();
}
const wxString& BITMAP_STORE::bitmapName( BITMAPS aBitmapId, int aHeight )
{
std::pair<BITMAPS, int> key = std::make_pair( aBitmapId, aHeight );
if( !m_bitmapNameCache.count( key ) )
m_bitmapNameCache[key] = computeBitmapName( aBitmapId, aHeight );
return m_bitmapNameCache.at( key );
}
wxString BITMAP_STORE::computeBitmapName( BITMAPS aBitmapId, int aHeight )
{
if( !m_bitmapInfoCache.count( aBitmapId ) )
{
wxLogTrace( traceBitmaps, "No bitmap info available for %d", aBitmapId );
return wxEmptyString;
}
wxString fn;
for( const BITMAP_INFO& info : m_bitmapInfoCache.at( aBitmapId ) )
{
if( info.theme != m_theme )
continue;
if( aHeight < 0 || info.height == aHeight )
{
fn = info.filename;
break;
}
}
if( fn.IsEmpty() )
{
wxLogTrace( traceBitmaps, "No bitmap found matching ID %d, height %d, theme %s",
aBitmapId, aHeight, m_theme );
return m_bitmapInfoCache.at( aBitmapId ).begin()->filename;
}
return fn;
}
void BITMAP_STORE::buildBitmapInfoCache()
{
BuildBitmapInfo( m_bitmapInfoCache );
}