You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
351 lines
10 KiB
351 lines
10 KiB
/***************************************************************************
|
|
* Copyright (C) 2004 by Enrico Ros <eros.kde@email.it> *
|
|
* *
|
|
* 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 2 of the License, or *
|
|
* (at your option) any later version. *
|
|
***************************************************************************/
|
|
|
|
// qt/kde includes
|
|
#include <tqpixmap.h>
|
|
#include <tqstring.h>
|
|
#include <tqmap.h>
|
|
#include <kdebug.h>
|
|
|
|
// local includes
|
|
#include "page.h"
|
|
#include "pagetransition.h"
|
|
#include "link.h"
|
|
#include "conf/settings.h"
|
|
#include "xpdf/TextOutputDev.h"
|
|
|
|
|
|
/** class KPDFPage **/
|
|
|
|
KPDFPage::KPDFPage( uint page, float w, float h, int r )
|
|
: m_number( page ), m_rotation( r ), m_width( w ), m_height( h ),
|
|
m_bookmarked( false ), m_text( 0 ), m_transition( 0 )
|
|
{
|
|
setRotation( r );
|
|
}
|
|
|
|
KPDFPage::~KPDFPage()
|
|
{
|
|
deletePixmapsAndRects();
|
|
deleteHighlights();
|
|
delete m_text;
|
|
delete m_transition;
|
|
}
|
|
|
|
void KPDFPage::rotate90degrees()
|
|
{
|
|
float w = m_width;
|
|
m_width = m_height;
|
|
m_height = w;
|
|
|
|
// avoid Division-By-Zero problems in the program
|
|
|
|
if ( m_width <= 0 )
|
|
m_width = 1;
|
|
if ( m_height <= 0 )
|
|
m_height = 1;
|
|
|
|
deletePixmapsAndRects();
|
|
}
|
|
|
|
void KPDFPage::setRotation( int r )
|
|
{
|
|
// if landscape swap width <-> height (rotate 90deg CCW)
|
|
if ( r == 90 || r == 270 )
|
|
{
|
|
float w = m_width;
|
|
m_width = m_height;
|
|
m_height = w;
|
|
}
|
|
// avoid Division-By-Zero problems in the program
|
|
if ( m_width <= 0 )
|
|
m_width = 1;
|
|
if ( m_height <= 0 )
|
|
m_height = 1;
|
|
|
|
deletePixmapsAndRects();
|
|
}
|
|
|
|
bool KPDFPage::hasPixmap( int id, int width, int height ) const
|
|
{
|
|
if ( !m_pixmaps.contains( id ) )
|
|
return false;
|
|
if ( width == -1 || height == -1 )
|
|
return true;
|
|
TQPixmap * p = m_pixmaps[ id ];
|
|
return p ? ( p->width() == width && p->height() == height ) : false;
|
|
}
|
|
|
|
bool KPDFPage::hasSearchPage() const
|
|
{
|
|
return m_text != 0;
|
|
}
|
|
|
|
bool KPDFPage::hasBookmark() const
|
|
{
|
|
return m_bookmarked;
|
|
}
|
|
|
|
bool KPDFPage::hasObjectRect( double x, double y ) const
|
|
{
|
|
if ( m_rects.count() < 1 )
|
|
return false;
|
|
TQValueList< ObjectRect * >::const_iterator it = m_rects.begin(), end = m_rects.end();
|
|
for ( ; it != end; ++it )
|
|
if ( (*it)->contains( x, y ) )
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
bool KPDFPage::hasHighlights( int s_id ) const
|
|
{
|
|
// simple case: have no highlights
|
|
if ( m_highlights.isEmpty() )
|
|
return false;
|
|
// simple case: we have highlights and no id to match
|
|
if ( s_id == -1 )
|
|
return true;
|
|
// iterate on the highlights list to find an entry by id
|
|
TQValueList< HighlightRect * >::const_iterator it = m_highlights.begin(), end = m_highlights.end();
|
|
for ( ; it != end; ++it )
|
|
if ( (*it)->s_id == s_id )
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
bool KPDFPage::hasTransition() const
|
|
{
|
|
return m_transition != 0;
|
|
}
|
|
|
|
|
|
NormalizedRect * KPDFPage::findText( const TQString & text, bool strictCase, NormalizedRect * lastRect ) const
|
|
{
|
|
if ( text.isEmpty() )
|
|
return 0;
|
|
|
|
// create a xpf's Unicode (unsigned int) array for the given text
|
|
const TQChar * str = text.unicode();
|
|
int len = text.length();
|
|
TQMemArray<Unicode> u(len);
|
|
for (int i = 0; i < len; ++i)
|
|
u[i] = str[i].unicode();
|
|
|
|
// find out the direction of search
|
|
enum SearchDir { FromTop, NextMatch, PrevMatch } dir = lastRect ? NextMatch : FromTop;
|
|
double sLeft, sTop, sRight, sBottom;
|
|
if ( dir == NextMatch )
|
|
{
|
|
sLeft = lastRect->left * m_width;
|
|
sTop = lastRect->top * m_height;
|
|
sRight = lastRect->right * m_width;
|
|
sBottom = lastRect->bottom * m_height;
|
|
}
|
|
|
|
// this loop is only for 'bad case' matches
|
|
bool found = false;
|
|
while ( !found )
|
|
{
|
|
if ( dir == FromTop )
|
|
found = m_text->findText( const_cast<Unicode*>(static_cast<const Unicode*>(u)), len, gTrue, gTrue, gFalse, gFalse, strictCase, gFalse, &sLeft, &sTop, &sRight, &sBottom );
|
|
else if ( dir == NextMatch )
|
|
found = m_text->findText( const_cast<Unicode*>(static_cast<const Unicode*>(u)), len, gFalse, gTrue, gTrue, gFalse, strictCase, gFalse, &sLeft, &sTop, &sRight, &sBottom );
|
|
else if ( dir == PrevMatch )
|
|
// FIXME: this doesn't work as expected (luckily backward search isn't yet used)
|
|
// TODO: check if the new xpdf 3.01 code is able of searching backwards
|
|
found = m_text->findText( const_cast<Unicode*>(static_cast<const Unicode*>(u)), len, gTrue, gFalse, gFalse, gTrue, strictCase, gTrue, &sLeft, &sTop, &sRight, &sBottom );
|
|
|
|
// if not found (even in case unsensitive search), terminate
|
|
if ( !found )
|
|
break;
|
|
}
|
|
|
|
// if the page was found, return a new normalizedRect
|
|
if ( found )
|
|
return new NormalizedRect( sLeft / m_width, sTop / m_height, sRight / m_width, sBottom / m_height );
|
|
return 0;
|
|
}
|
|
|
|
const TQString KPDFPage::getText( const NormalizedRect & rect ) const
|
|
{
|
|
if ( !m_text )
|
|
return TQString();
|
|
int left = (int)( rect.left * m_width ),
|
|
top = (int)( rect.top * m_height ),
|
|
right = (int)( rect.right * m_width ),
|
|
bottom = (int)( rect.bottom * m_height );
|
|
GString * text = m_text->getText( left, top, right, bottom );
|
|
TQString result = TQString::fromUtf8( text->getCString() );
|
|
delete text;
|
|
return result;
|
|
}
|
|
|
|
const ObjectRect * KPDFPage::hasObject( ObjectRect::ObjectType type, double x, double y ) const
|
|
{
|
|
TQValueList< ObjectRect * >::const_iterator it = m_rects.begin(), end = m_rects.end();
|
|
for ( ; it != end; ++it )
|
|
if ( (*it)->contains( x, y ) )
|
|
if ((*it)->objectType() == type) return *it;
|
|
return 0;
|
|
}
|
|
|
|
const KPDFPageTransition * KPDFPage::getTransition() const
|
|
{
|
|
return m_transition;
|
|
}
|
|
|
|
|
|
void KPDFPage::setPixmap( int id, TQPixmap * pixmap )
|
|
{
|
|
if ( m_pixmaps.contains( id ) )
|
|
delete m_pixmaps[id];
|
|
m_pixmaps[id] = pixmap;
|
|
}
|
|
|
|
void KPDFPage::setSearchPage( TextPage * tp )
|
|
{
|
|
delete m_text;
|
|
m_text = tp;
|
|
}
|
|
|
|
void KPDFPage::setBookmark( bool state )
|
|
{
|
|
m_bookmarked = state;
|
|
}
|
|
|
|
void KPDFPage::setObjectRects( const TQValueList< ObjectRect * > rects )
|
|
{
|
|
TQValueList< ObjectRect * >::iterator it = m_rects.begin(), end = m_rects.end();
|
|
for ( ; it != end; ++it )
|
|
delete *it;
|
|
m_rects = rects;
|
|
}
|
|
|
|
void KPDFPage::setHighlight( int s_id, NormalizedRect * &rect, const TQColor & color )
|
|
{
|
|
// create a HighlightRect descriptor taking values from params
|
|
HighlightRect * hr = new HighlightRect();
|
|
hr->s_id = s_id;
|
|
hr->color = color;
|
|
hr->left = rect->left;
|
|
hr->top = rect->top;
|
|
hr->right = rect->right;
|
|
hr->bottom = rect->bottom;
|
|
// append the HighlightRect to the list
|
|
m_highlights.append( hr );
|
|
// delete old object and change reference
|
|
delete rect;
|
|
rect = hr;
|
|
}
|
|
|
|
void KPDFPage::setTransition( KPDFPageTransition * transition )
|
|
{
|
|
delete m_transition;
|
|
m_transition = transition;
|
|
}
|
|
|
|
void KPDFPage::deletePixmap( int id )
|
|
{
|
|
if ( m_pixmaps.contains( id ) )
|
|
{
|
|
delete m_pixmaps[ id ];
|
|
m_pixmaps.remove( id );
|
|
}
|
|
}
|
|
|
|
void KPDFPage::deletePixmapsAndRects()
|
|
{
|
|
// delete all stored pixmaps
|
|
TQMap<int,TQPixmap *>::iterator it = m_pixmaps.begin(), end = m_pixmaps.end();
|
|
for ( ; it != end; ++it )
|
|
delete *it;
|
|
m_pixmaps.clear();
|
|
// delete ObjectRects
|
|
TQValueList< ObjectRect * >::iterator rIt = m_rects.begin(), rEnd = m_rects.end();
|
|
for ( ; rIt != rEnd; ++rIt )
|
|
delete *rIt;
|
|
m_rects.clear();
|
|
}
|
|
|
|
void KPDFPage::deleteHighlights( int s_id )
|
|
{
|
|
// delete highlights by ID
|
|
TQValueList< HighlightRect * >::iterator it = m_highlights.begin(), end = m_highlights.end();
|
|
while ( it != end )
|
|
{
|
|
HighlightRect * highlight = *it;
|
|
if ( s_id == -1 || highlight->s_id == s_id )
|
|
{
|
|
it = m_highlights.remove( it );
|
|
delete highlight;
|
|
}
|
|
else
|
|
++it;
|
|
}
|
|
}
|
|
|
|
|
|
/** class NormalizedRect **/
|
|
|
|
NormalizedRect::NormalizedRect()
|
|
: left( 0.0 ), top( 0.0 ), right( 0.0 ), bottom( 0.0 ) {}
|
|
|
|
NormalizedRect::NormalizedRect( double l, double t, double r, double b )
|
|
// note: check for swapping coords?
|
|
: left( l ), top( t ), right( r ), bottom( b ) {}
|
|
|
|
NormalizedRect::NormalizedRect( const TQRect & r, double xScale, double yScale )
|
|
: left( (double)r.left() / xScale ), top( (double)r.top() / yScale ),
|
|
right( (double)r.right() / xScale ), bottom( (double)r.bottom() / yScale ) {}
|
|
|
|
bool NormalizedRect::contains( double x, double y ) const
|
|
{
|
|
return x >= left && x <= right && y >= top && y <= bottom;
|
|
}
|
|
|
|
bool NormalizedRect::intersects( const NormalizedRect & r ) const
|
|
{
|
|
return (r.left < right) && (r.right > left) && (r.top < bottom) && (r.bottom > top);
|
|
}
|
|
|
|
bool NormalizedRect::intersects( double l, double t, double r, double b ) const
|
|
{
|
|
return (l < right) && (r > left) && (t < bottom) && (b > top);
|
|
}
|
|
|
|
TQRect NormalizedRect::geometry( int xScale, int yScale ) const
|
|
{
|
|
int l = (int)( left * xScale ),
|
|
t = (int)( top * yScale ),
|
|
r = (int)( right * xScale ),
|
|
b = (int)( bottom * yScale );
|
|
return TQRect( l, t, r - l + 1, b - t + 1 );
|
|
}
|
|
|
|
|
|
/** class ObjectRect **/
|
|
|
|
ObjectRect::ObjectRect( double l, double t, double r, double b, ObjectType type, void * pnt )
|
|
// assign coordinates swapping them if negative width or height
|
|
: NormalizedRect( r > l ? l : r, b > t ? t : b, r > l ? r : l, b > t ? b : t ),
|
|
m_objectType( type ), m_pointer( pnt )
|
|
{
|
|
}
|
|
|
|
ObjectRect::~ObjectRect()
|
|
{
|
|
if ( !m_pointer )
|
|
return;
|
|
|
|
if ( m_objectType == Link )
|
|
delete static_cast<KPDFLink*>( m_pointer );
|
|
else
|
|
kdDebug() << "Object deletion not implemented for type '" << m_objectType << "' ." << endl;
|
|
}
|