Slightly change the indexes used to query the generator for fonts:

- 0..n-1 are the page indexes again
- -1 is for the fonts not reall belonging to a single page (or when no selective page extraction can be done)

svn path=/trunk/KDE/kdegraphics/okular/; revision=753866

core/document.cpp

@@ -638,7 +638,7 @@ void DocumentPrivate::fontReadingProgress( int page )
 {
     emit m_parent->fontReadingProgress( page );
 
-    if ( page == (int)m_parent->pages() )
+    if ( page >= (int)m_parent->pages() - 1 )
     {
         emit m_parent->fontReadingEnded();
         m_fontThread = 0;

core/generator.h

@@ -282,7 +282,7 @@ class OKULAR_EXPORT Generator : public QObject
          * Returns the 'list of embedded fonts' object of the specified \page
          * of the document.
          *
-         * \param page a page of the document, starting from 1 - 0 indicates all
+         * \param page a page of the document, starting from 0 - -1 indicates all
          * the other fonts
          */
         virtual FontInfo::List fontsForPage( int page );

core/generator_p.cpp

@@ -114,7 +114,7 @@ void FontExtractionThread::stopExtraction()
 
 void FontExtractionThread::run()
 {
-    for ( int i = 1; i <= mNumOfPages && mGoOn; ++i )
+    for ( int i = -1; i < mNumOfPages && mGoOn; ++i )
     {
         FontInfo::List list = mGenerator->fontsForPage( i );
         foreach ( const FontInfo& fi, list )