mirror of
https://invent.kde.org/graphics/okular
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f68cf649d7
svn path=/branches/kpdf_experiments/kdegraphics/kpdf/; revision=359121
148 lines
4.7 KiB
C++
148 lines
4.7 KiB
C++
/***************************************************************************
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* Copyright (C) 2004 by Enrico Ros <eros.kde@email.it> *
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* *
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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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#ifndef _KPDF_PAGE_H_
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#define _KPDF_PAGE_H_
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#include <qmap.h>
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#include <qvaluelist.h>
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class QPainter;
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class QPixmap;
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class TextPage;
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class LinkAction;
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class LinkDest;
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class KPDFLink;
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class KPDFActiveRect;
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/**
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* @short Collector for all the data belonging to a page.
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*
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* The KPDFPage class contains pixmaps (referenced using obsedvers id as key),
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* a search page (a class used internally for searching data), link classes
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* (that describe links in the current page) plus graphics overlays and more.
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*
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* Note: All objects passed to this class will be destoryed on class deletion.
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*/
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class KPDFPage
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{
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public:
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KPDFPage( int number, float width, float height, int rotation );
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~KPDFPage();
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// query properties and draw (const read-only methods)
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uint number() const { return m_number; }
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float width() const { return m_width; }
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float height() const { return m_height; }
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float ratio() const { return m_height / m_width; }
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float rotation() const { return m_rotation; }
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bool isHilighted() const { return m_hilighting; }
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bool isBookmarked() const { return m_bookmarking; }
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bool hasPixmap( int id, int width, int height ) const;
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bool hasSearchPage() const;
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QString getTextInRect( const QRect & rect, double zoom = 1.0 ) const;
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bool hasLink( int mouseX, int mouseY ) const;
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const KPDFLink * getLink( int mouseX, int mouseY ) const;
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bool hasActiveRect( int mouseX, int mouseY ) const;
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void drawPixmap( int id, QPainter * p, const QRect & rect, int width, int height ) const;
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// commands (not const methods caled by KPDFDocument)
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bool hasText( const QString & text, bool strictCase, bool fromTop );
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void hilightLastSearch( bool enabled );
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void bookmark( bool enabled );
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// set page contents (not const methods caled by KPDFDocument)
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void setPixmap( int id, QPixmap * pixmap );
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void setSearchPage( TextPage * text );
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void setLinks( const QValueList<KPDFLink *> links );
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void setActiveRects( const QValueList<KPDFActiveRect *> rects );
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/*void setPixmapOverlayNotations( ..DOMdescription.. );*/
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private:
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int m_number, m_rotation;
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float m_width, m_height;
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bool m_hilighting, m_bookmarking;
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double m_sLeft, m_sTop, m_sRight, m_sBottom;
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QMap< int, QPixmap * > m_pixmaps;
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TextPage * m_text;
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QValueList< KPDFLink * > m_links;
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QValueList< KPDFActiveRect * > m_rects;
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};
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/**
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* @short Encapsulates data that describes a link.
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*
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* There are many types of PDF links, here we provide accessors to set the
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* link to be of the given type. Other functions are for asking if a point
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* is inside the link rect (in displayed page coordinates).
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* KPDFLinks are created by the KPDFOutputDevice then stored and deleted
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* inside the referring KPDFPage.
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* Note: this structure is similar to XPDF LinkAction and its hieracy, but
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* is needed for storing data inside pages, since XPDF's PDFDoc deletes
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* Links objects when changing page (and we need persistant storage).
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*/
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class KPDFLink
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{
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public:
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KPDFLink( LinkAction * PDFAction );
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~KPDFLink();
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// set geometry (only links collected KPDFPage(s))
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void setGeometry( int left, int top, int right, int bottom );
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// query / others
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bool contains( int x, int y ) const;
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void copyString( char * &dest, const char * src ) const;
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// action queries
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enum LinkType { Goto, Execute, URI, Named, Movie, Unknown };
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LinkType type() const;
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const LinkDest * getDest() const; //1
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const char * getNamedDest() const; //1
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const char * getFileName() const; //1,2
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const char * getParameters() const; //2
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const char * getName() const; //3
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const char * getURI() const; //4
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private:
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// general
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LinkType m_type;
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float x_min, x_max, y_min, y_max;
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// actions related
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LinkDest * m_dest;
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char * m_destNamed;
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char * m_fileName;
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char * m_parameters;
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char * m_uri;
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int m_refNum, m_refGen;
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};
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/**
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* @short Describes an 'active' rectange on the page.
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*
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* ...
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*/
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class KPDFActiveRect
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{
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public:
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KPDFActiveRect(int left, int top, int width, int height);
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// query
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bool contains(int x, int y);
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private:
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int m_left, m_top, m_right, m_bottom;
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};
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#endif
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