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feat: load and display ZIM dictionary icon

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* Original GD never tries to load zim format's icon
* This leverage the capability provided by libzim
This commit is contained in:
shenleban tongying 2023-06-18 05:04:50 -04:00
parent 0b36b846ce
commit feda879a30
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1 changed files with 22 additions and 6 deletions
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28
src/dict/zim.cc
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@ -41,6 +41,8 @@
#include <zim/archive.h>
#include <zim/entry.h>
#include <zim/item.h>
#include <zim/error.h>
namespace Zim {
using std::string;
@ -275,17 +277,31 @@ void ZimDictionary::loadIcon() noexcept
if ( dictionaryIconLoaded )
return;
// Try to load Original GD's user provided icon
QString fileName = QDir::fromNativeSeparators( getDictionaryFilenames()[ 0 ].c_str() );
// Remove the extension
fileName.chop( 3 );
if( !loadIconFromFile( fileName ) )
{
// Load failed -- use default icons
dictionaryNativeIcon = dictionaryIcon = QIcon(":/icons/icon32_zim.png");
if ( loadIconFromFile( fileName ) ) {
dictionaryIconLoaded = true;
return;
}
// Try to load zim's illustration, which is usually 48x48 png
try {
auto illustration = df.getIllustrationItem( 48 ).getData();
QImage img = QImage::fromData( reinterpret_cast< const uchar * >( illustration.data() ), illustration.size() );
dictionaryNativeIcon = dictionaryIcon = QIcon( QPixmap::fromImage( img ) );
dictionaryIconLoaded = true;
return;
}
catch ( zim::EntryNotFound & e ) {
gdDebug( "ZIM icon not loaded for: %s", dictionaryName.c_str() );
}
// Fallback to default icon
dictionaryNativeIcon = dictionaryIcon = QIcon( ":/icons/icon32_zim.png" );
dictionaryIconLoaded = true;
}