mirror of
https://invent.kde.org/graphics/okular
synced 2024-11-05 18:34:53 +00:00
45615e5289
Adapted also to receive the X and Y scale, so the bounding rect for every kind of ObjectRect can depend on a specific page size. As a consequence, we can add also the annotations among the rects of a Page, and use the standard getObjectRect to find them. svn path=/trunk/playground/graphics/okular/; revision=586457
485 lines
14 KiB
C++
485 lines
14 KiB
C++
/***************************************************************************
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* Copyright (C) 2004 by Enrico Ros <eros.kde@email.it> *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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// qt/kde includes
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#include <qpixmap.h>
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#include <qstring.h>
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#include <qmap.h>
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#include <qdom.h>
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#include <qset.h>
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#include <kdebug.h>
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// local includes
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#include "page.h"
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#include "pagetransition.h"
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#include "link.h"
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#include "annotations.h"
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#include "settings.h"
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#include "area.h"
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// temp includes
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#include <sys/time.h>
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class TextSelection;
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static void deleteObjectRects( QLinkedList< ObjectRect * >& rects, const QSet<ObjectRect::ObjectType>& which )
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{
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QLinkedList< ObjectRect * >::iterator it = rects.begin(), end = rects.end();
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for ( ; it != end; )
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if ( which.contains( (*it)->objectType() ) )
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{
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delete *it;
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it = rects.erase( it );
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}
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else
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++it;
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}
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/** class KPDFPage **/
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KPDFPage::KPDFPage( uint page, double w, double h, int o )
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: m_number( page ), m_orientation( o ), m_width( w ), m_height( h ),
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m_bookmarked( false ), m_maxuniqueNum( 0 ), m_text( 0 ), m_transition( 0 )
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{
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// if landscape swap width <-> height (rotate 90deg CCW)
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/* if ( r == 90 || r == 270 )
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{
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m_width = h;
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m_height = w;
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}*/
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// avoid Division-By-Zero problems in the program
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if ( m_width <= 0 )
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m_width = 1;
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if ( m_height <= 0 )
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m_height = 1;
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}
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KPDFPage::~KPDFPage()
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{
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deletePixmapsAndRects();
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deleteHighlights();
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deleteAnnotations();
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delete m_text;
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delete m_transition;
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}
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bool KPDFPage::hasPixmap( int id, int width, int height ) const
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{
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if ( !m_pixmaps.contains( id ) )
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return false;
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if ( width == -1 || height == -1 )
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return true;
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QPixmap * p = m_pixmaps[ id ];
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return p ? ( p->width() == width && p->height() == height ) : false;
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}
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bool KPDFPage::hasSearchPage() const
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{
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return m_text != 0;
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}
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bool KPDFPage::hasBookmark() const
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{
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return m_bookmarked;
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}
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RegularAreaRect * KPDFPage::getTextArea ( TextSelection * sel ) const
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{
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if (m_text)
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return m_text->getTextArea (sel);
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return 0;
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}
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bool KPDFPage::hasObjectRect( double x, double y, double xScale, double yScale ) const
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{
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if ( m_rects.isEmpty() )
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return false;
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QLinkedList< ObjectRect * >::const_iterator it = m_rects.begin(), end = m_rects.end();
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for ( ; it != end; ++it )
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if ( (*it)->contains( x, y, xScale, yScale ) )
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return true;
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return false;
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}
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bool KPDFPage::hasHighlights( int s_id ) const
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{
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// simple case: have no highlights
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if ( m_highlights.isEmpty() )
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return false;
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// simple case: we have highlights and no id to match
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if ( s_id == -1 )
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return true;
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// iterate on the highlights list to find an entry by id
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QLinkedList< HighlightAreaRect * >::const_iterator it = m_highlights.begin(), end = m_highlights.end();
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for ( ; it != end; ++it )
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if ( (*it)->s_id == s_id )
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return true;
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return false;
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}
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bool KPDFPage::hasTransition() const
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{
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return m_transition != 0;
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}
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RegularAreaRect * KPDFPage::findText( int searchID, const QString & text, SearchDir dir, bool strictCase,
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const RegularAreaRect * lastRect/*, const Generator &generator */) const
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{
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RegularAreaRect* ret=0;
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if ( text.isEmpty() )
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return ret;
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/*
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if (generator->preferInternalSearch())
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return generator->;*/
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ret=m_text->findText(searchID, text, dir, strictCase,lastRect);
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return ret;
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/*
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*/
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}
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QString KPDFPage::getText( const RegularAreaRect * area ) const
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{
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QString ret;
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if ( !m_text )
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return ret;
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ret = m_text->getText( area );
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return ret;
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}
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const ObjectRect * KPDFPage::getObjectRect( ObjectRect::ObjectType type, double x, double y, double xScale, double yScale ) const
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{
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QLinkedList< ObjectRect * >::const_iterator it = m_rects.begin(), end = m_rects.end();
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for ( ; it != end; ++it )
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if ( ( (*it)->objectType() == type ) && (*it)->contains( x, y, xScale, yScale ) )
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return *it;
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return 0;
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}
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const KPDFPageTransition * KPDFPage::getTransition() const
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{
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return m_transition;
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}
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void KPDFPage::setPixmap( int id, QPixmap * pixmap )
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{
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if ( m_pixmaps.contains( id ) )
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delete m_pixmaps[id];
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m_pixmaps[id] = pixmap;
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}
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void KPDFPage::setSearchPage( KPDFTextPage * tp )
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{
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delete m_text;
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m_text = tp;
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}
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void KPDFPage::setBookmark( bool state )
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{
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m_bookmarked = state;
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}
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void KPDFPage::setObjectRects( const QLinkedList< ObjectRect * > rects )
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{
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QSet<ObjectRect::ObjectType> which;
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which << ObjectRect::Link << ObjectRect::Image;
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deleteObjectRects( m_rects, which );
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m_rects << rects;
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}
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/*
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void KPDFPage::setHighlight( int s_id, const QColor & color )
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{
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QLinkedList<HighlightAreaRect*>::Iterator it=m_highlights.begin();
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HighlightAreaRect* tmp;
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while(it!=m_highlights.end())
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{
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tmp = *(it);
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if (tmp->s_id == s_id)
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tmp->color=color;
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++it;
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}
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}*/
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//
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void KPDFPage::setHighlight( int s_id, RegularAreaRect *rect, const QColor & color )
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{
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HighlightAreaRect * hr = new HighlightAreaRect(rect);
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hr->s_id = s_id;
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hr->color = color;
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m_highlights.append( hr );
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/* for (i=static_cast<RegularAreaRect::Iterator>(rect.begin());i!=rect.end();i++)
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{
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// create a HighlightRect descriptor taking values from params
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NormalizedRect *t = new NormalizedRect;
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t->left = i->left;
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t->top = i->top;
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t->right = i->right;
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t->bottom = i->bottom;
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// append the HighlightRect to the list
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hr->append( t );
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// delete old object and change reference (whyyy?)
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delete rect;
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rect = hr;
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}*/
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}
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void KPDFPage::addAnnotation( Annotation * annotation )
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{
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//uniqueName: okular-PAGENUM-ID
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if(annotation->uniqueName.isEmpty())
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{
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annotation->uniqueName = "okular-";
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annotation->uniqueName += ( QString::number(m_number) + "-" +
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QString::number(++m_maxuniqueNum) );
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kDebug()<<"astario: inc m_maxuniqueNum="<<m_maxuniqueNum<<endl;
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}
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m_annotations.append( annotation );
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m_rects.append( new AnnotationObjectRect( annotation ) );
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}
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void KPDFPage::modifyAnnotation(Annotation * newannotation )
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{
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if(!newannotation)
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return;
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QLinkedList< Annotation * >::iterator aIt = m_annotations.begin(), aEnd = m_annotations.end();
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for ( ; aIt != aEnd; ++aIt )
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{
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if((*aIt)==newannotation)
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return; //modified already
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if((*aIt) && (*aIt)->uniqueName==newannotation->uniqueName)
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{
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int rectfound = false;
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QLinkedList< ObjectRect * >::iterator it = m_rects.begin(), end = m_rects.end();
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for ( ; it != end && !rectfound; ++it )
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if ( ( (*it)->objectType() == ObjectRect::OAnnotation ) && ( (*it)->pointer() == (*aIt) ) )
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{
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delete *it;
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*it = new AnnotationObjectRect( newannotation );
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rectfound = true;
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}
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delete *aIt;
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*aIt = newannotation;
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break;
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}
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}
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}
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bool KPDFPage::removeAnnotation( Annotation * annotation )
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{
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if ( !annotation || ( annotation->flags & Annotation::DenyDelete ) )
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return false;
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QLinkedList< Annotation * >::iterator aIt = m_annotations.begin(), aEnd = m_annotations.end();
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for ( ; aIt != aEnd; ++aIt )
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{
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if((*aIt) && (*aIt)->uniqueName==annotation->uniqueName)
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{
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int rectfound = false;
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QLinkedList< ObjectRect * >::iterator it = m_rects.begin(), end = m_rects.end();
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for ( ; it != end && !rectfound; ++it )
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if ( ( (*it)->objectType() == ObjectRect::OAnnotation ) && ( (*it)->pointer() == (*aIt) ) )
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{
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delete *it;
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m_rects.erase( it );
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rectfound = true;
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}
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delete *aIt;
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m_annotations.erase( aIt );
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kDebug() << "astario: removed annot: " <<annotation->uniqueName << endl;
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break;
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}
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}
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return true;
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}
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void KPDFPage::setTransition( KPDFPageTransition * transition )
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{
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delete m_transition;
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m_transition = transition;
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}
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void KPDFPage::deletePixmap( int id )
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{
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if ( m_pixmaps.contains( id ) )
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{
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delete m_pixmaps[ id ];
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m_pixmaps.remove( id );
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}
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}
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void KPDFPage::deletePixmapsAndRects()
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{
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// delete all stored pixmaps
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QMap<int,QPixmap *>::iterator it = m_pixmaps.begin(), end = m_pixmaps.end();
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for ( ; it != end; ++it )
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delete *it;
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m_pixmaps.clear();
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// delete ObjectRects of type Link and Image
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QSet<ObjectRect::ObjectType> which;
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which << ObjectRect::Link << ObjectRect::Image;
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deleteObjectRects( m_rects, which );
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}
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void KPDFPage::deleteHighlights( int s_id )
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{
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// delete highlights by ID
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QLinkedList< HighlightAreaRect* >::iterator it = m_highlights.begin(), end = m_highlights.end();
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while ( it != end )
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{
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HighlightAreaRect* highlight = *it;
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if ( s_id == -1 || highlight->s_id == s_id )
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{
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it = m_highlights.erase( it );
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delete highlight;
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}
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else
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++it;
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}
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}
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void KPDFPage::deleteAnnotations()
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{
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// delete ObjectRects of type Annotation
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deleteObjectRects( m_rects, QSet<ObjectRect::ObjectType>() << ObjectRect::OAnnotation );
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// delete all stored annotations
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QLinkedList< Annotation * >::iterator aIt = m_annotations.begin(), aEnd = m_annotations.end();
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for ( ; aIt != aEnd; ++aIt )
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delete *aIt;
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m_annotations.clear();
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}
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void KPDFPage::restoreLocalContents( const QDomNode & pageNode )
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{
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// iterate over all chilren (bookmark, annotationList, ...)
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QDomNode childNode = pageNode.firstChild();
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while ( childNode.isElement() )
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{
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QDomElement childElement = childNode.toElement();
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childNode = childNode.nextSibling();
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// parse annotationList child element
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if ( childElement.tagName() == "annotationList" )
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{
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struct timeval ts, te;
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gettimeofday( &ts, NULL );
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// iterate over all annotations
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QDomNode annotationNode = childElement.firstChild();
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while( annotationNode.isElement() )
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{
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// get annotation element and advance to next annot
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QDomElement annotElement = annotationNode.toElement();
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annotationNode = annotationNode.nextSibling();
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// get annotation from the dom element
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Annotation * annotation = AnnotationUtils::createAnnotation( annotElement );
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// append annotation to the list or show warning
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if ( annotation )
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{
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m_annotations.append( annotation );
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m_rects.append( new AnnotationObjectRect( annotation ) );
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int pos = annotation->uniqueName.lastIndexOf("-");
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if(pos != -1)
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{
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int uniqID=annotation->uniqueName.right(annotation->uniqueName.length()-pos-1).toInt();
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if(m_maxuniqueNum<uniqID)
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m_maxuniqueNum=uniqID;
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}
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kDebug()<<"astario: restored annot:"<<annotation->uniqueName<<endl;
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}
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else
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kWarning() << "page (" << m_number << "): can't restore an annotation from XML." << endl;
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}
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gettimeofday( &te, NULL );
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double startTime = (double)ts.tv_sec + ((double)ts.tv_usec) / 1000000.0;
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double endTime = (double)te.tv_sec + ((double)te.tv_usec) / 1000000.0;
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kDebug() << "annots: XML Load time: " << (endTime-startTime)*1000.0 << "ms" << endl;
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}
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// parse bookmark child element
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else if ( childElement.tagName() == "bookmark" )
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m_bookmarked = true;
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}
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}
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void KPDFPage::saveLocalContents( QDomNode & parentNode, QDomDocument & document )
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{
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// only add a node if there is some stuff to write into
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if ( !m_bookmarked && m_annotations.isEmpty() )
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return;
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// create the page node and set the 'number' attribute
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QDomElement pageElement = document.createElement( "page" );
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pageElement.setAttribute( "number", m_number );
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// add bookmark info if is bookmarked
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if ( m_bookmarked )
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{
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// create the pageElement's 'bookmark' child
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QDomElement bookmarkElement = document.createElement( "bookmark" );
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pageElement.appendChild( bookmarkElement );
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// add attributes to the element
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//bookmarkElement.setAttribute( "name", bookmark name );
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}
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// add annotations info if has got any
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if ( !m_annotations.isEmpty() )
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{
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#if 0
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struct timeval ts, te;
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gettimeofday( &ts, NULL );
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#endif
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// create the annotationList
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QDomElement annotListElement = document.createElement( "annotationList" );
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// add every annotation to the annotationList
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QLinkedList< Annotation * >::iterator aIt = m_annotations.begin(), aEnd = m_annotations.end();
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for ( ; aIt != aEnd; ++aIt )
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{
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// get annotation
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const Annotation * a = *aIt;
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// only save okular annotations (not the embedded in file ones)
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if ( !(a->flags & Annotation::External) )
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{
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// append an filled-up element called 'annotation' to the list
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QDomElement annElement = document.createElement( "annotation" );
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AnnotationUtils::storeAnnotation( a, annElement, document );
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annotListElement.appendChild( annElement );
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kDebug()<<"astario: save annot:"<<a->uniqueName<<endl;
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}
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}
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// append the annotationList element if annotations have been set
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if ( annotListElement.hasChildNodes() )
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pageElement.appendChild( annotListElement );
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#if 0
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gettimeofday( &te, NULL );
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double startTime = (double)ts.tv_sec + ((double)ts.tv_usec) / 1000000.0;
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double endTime = (double)te.tv_sec + ((double)te.tv_usec) / 1000000.0;
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kDebug() << "annots: XML Save Time: " << (endTime-startTime)*1000.0 << "ms" << endl;
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#endif
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}
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// append the page element only if has children
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if ( pageElement.hasChildNodes() )
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parentNode.appendChild( pageElement );
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}
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