Hi,
I've added hyperlink support to the Qt3 bindings.
There should not be any problems with the patch, since it
is just a strait port of the corresponding poppler-qt4 code.
Greetings,
Wilfried Huss
Index: Makefile.am
===================================================================
RCS file: /cvs/poppler/poppler/qt/Makefile.am,v
retrieving revision 1.11
diff -u -r1.11 Makefile.am
--- Makefile.am 28 Feb 2006 23:24:59 -0000 1.11
+++ Makefile.am 24 Jun 2006 13:20:55 -0000
@@ -10,12 +10,14 @@
poppler_includedir = $(includedir)/poppler
poppler_include_HEADERS = \
poppler-qt.h \
- poppler-page-transition.h
+ poppler-page-transition.h \
+ poppler-link.h
lib_LTLIBRARIES = libpoppler-qt.la
libpoppler_qt_la_SOURCES = \
poppler-document.cc \
poppler-fontinfo.cc \
+ poppler-link.cc \
poppler-page.cc \
poppler-page-transition.cc \
poppler-page-transition-private.h \
Index: poppler-document.cc
===================================================================
RCS file: /cvs/poppler/poppler/qt/poppler-document.cc,v
retrieving revision 1.9
diff -u -r1.9 poppler-document.cc
--- poppler-document.cc 1 Jun 2006 17:23:45 -0000 1.9
+++ poppler-document.cc 24 Jun 2006 13:20:55 -0000
@@ -137,16 +137,6 @@
}
/* borrowed from kpdf */
-static QString unicodeToQString(Unicode* u, int len) {
- QString ret;
- ret.setLength(len);
- QChar* qch = (QChar*) ret.unicode();
- for (;len;--len)
- *qch++ = (QChar) *u++;
- return ret;
-}
-
-/* borrowed from kpdf */
QString Document::getInfo( const QString & type ) const
{
// [Albert] Code adapted from pdfinfo.cc on xpdf
@@ -294,6 +284,15 @@
return data->doc.getPDFVersion();
}
+LinkDestination *Document::linkDestination( const QString &name )
+{
+ UGooString * namedDest = QStringToUGooString( name );
+ LinkDestinationData ldd(NULL, namedDest, data);
+ LinkDestination *ld = new LinkDestination(ldd);
+ delete namedDest;
+ return ld;
+}
+
bool Document::print(const QString &file, QValueList<int> pageList, double hDPI, double vDPI, int rotate)
{
PSOutputDev *psOut = new PSOutputDev(file.latin1(), data->doc.getXRef(), data->doc.getCatalog(), 1, data->doc.getNumPages(), psModePS);
Index: poppler-page.cc
===================================================================
RCS file: /cvs/poppler/poppler/qt/poppler-page.cc,v
retrieving revision 1.15
diff -u -r1.15 poppler-page.cc
--- poppler-page.cc 21 May 2006 18:14:15 -0000 1.15
+++ poppler-page.cc 24 Jun 2006 13:20:55 -0000
@@ -52,18 +52,18 @@
delete data;
}
-void Page::renderToPixmap(QPixmap **q, int x, int y, int w, int h) const
+void Page::renderToPixmap(QPixmap **q, int x, int y, int w, int h, bool doLinks) const
{
- renderToPixmap(q, x, y, w, h, 72.0, 72.0);
+ renderToPixmap(q, x, y, w, h, 72.0, 72.0, doLinks);
}
-void Page::renderToPixmap(QPixmap **q, int x, int y, int w, int h, double xres, double yres) const
+void Page::renderToPixmap(QPixmap **q, int x, int y, int w, int h, double xres, double yres, bool doLinks) const
{
- QImage img = renderToImage(xres, yres);
+ QImage img = renderToImage(xres, yres, doLinks);
*q = new QPixmap( img );
}
-QImage Page::renderToImage(double xres, double yres) const
+QImage Page::renderToImage(double xres, double yres, bool doLinks) const
{
SplashOutputDev *output_dev;
SplashBitmap *bitmap;
@@ -71,7 +71,7 @@
output_dev = data->doc->data->getOutputDev();
data->doc->data->doc.displayPageSlice(output_dev, data->index + 1, xres, yres,
- 0, false, false, false, -1, -1, -1, -1);
+ 0, false, false, doLinks, -1, -1, -1, -1);
bitmap = output_dev->getBitmap ();
color_ptr = bitmap->getDataPtr ();
int bw = output_dev->getBitmap()->getWidth();
@@ -210,5 +210,129 @@
}
}
+QValueList<Link*> Page::links() const
+{
+ QValueList<Link*> popplerLinks;
+
+ Links *xpdfLinks = data->doc->data->doc.takeLinks();
+ for (int i = 0; i < xpdfLinks->getNumLinks(); ++i)
+ {
+ ::Link *xpdfLink = xpdfLinks->getLink(i);
+
+ double left, top, right, bottom;
+ int leftAux, topAux, rightAux, bottomAux;
+ xpdfLink->getRect( &left, &top, &right, &bottom );
+ QRect linkArea;
+
+ data->doc->data->m_outputDev->cvtUserToDev( left, top, &leftAux, &topAux );
+ data->doc->data->m_outputDev->cvtUserToDev( right, bottom, &rightAux, &bottomAux );
+ linkArea.setLeft(leftAux);
+ linkArea.setTop(topAux);
+ linkArea.setRight(rightAux);
+ linkArea.setBottom(bottomAux);
+
+ if (!xpdfLink->isOk()) continue;
+
+ Link *popplerLink = NULL;
+ ::LinkAction *a = xpdfLink->getAction();
+ if ( a )
+ {
+ switch ( a->getKind() )
+ {
+ case actionGoTo:
+ {
+ LinkGoTo * g = (LinkGoTo *) a;
+ // create link: no ext file, namedDest, object pointer
+ popplerLink = new LinkGoto( linkArea, QString::null, LinkDestination( LinkDestinationData(g->getDest(), g->getNamedDest(), data->doc->data ) ) );
+ }
+ break;
+
+ case actionGoToR:
+ {
+ LinkGoToR * g = (LinkGoToR *) a;
+ // copy link file
+ const char * fileName = g->getFileName()->getCString();
+ // ceate link: fileName, namedDest, object pointer
+ popplerLink = new LinkGoto( linkArea, (QString)fileName, LinkDestination( LinkDestinationData(g->getDest(), g->getNamedDest(), data->doc->data ) ) );
+ }
+ break;
+
+ case actionLaunch:
+ {
+ LinkLaunch * e = (LinkLaunch *)a;
+ GooString * p = e->getParams();
+ popplerLink = new LinkExecute( linkArea, e->getFileName()->getCString(), p ? p->getCString() : 0 );
+ }
+ break;
+
+ case actionNamed:
+ {
+ const char * name = ((LinkNamed *)a)->getName()->getCString();
+ if ( !strcmp( name, "NextPage" ) )
+ popplerLink = new LinkAction( linkArea, LinkAction::PageNext );
+ else if ( !strcmp( name, "PrevPage" ) )
+ popplerLink = new LinkAction( linkArea, LinkAction::PagePrev );
+ else if ( !strcmp( name, "FirstPage" ) )
+ popplerLink = new LinkAction( linkArea, LinkAction::PageFirst );
+ else if ( !strcmp( name, "LastPage" ) )
+ popplerLink = new LinkAction( linkArea, LinkAction::PageLast );
+ else if ( !strcmp( name, "GoBack" ) )
+ popplerLink = new LinkAction( linkArea, LinkAction::HistoryBack );
+ else if ( !strcmp( name, "GoForward" ) )
+ popplerLink = new LinkAction( linkArea, LinkAction::HistoryForward );
+ else if ( !strcmp( name, "Quit" ) )
+ popplerLink = new LinkAction( linkArea, LinkAction::Quit );
+ else if ( !strcmp( name, "GoToPage" ) )
+ popplerLink = new LinkAction( linkArea, LinkAction::GoToPage );
+ else if ( !strcmp( name, "Find" ) )
+ popplerLink = new LinkAction( linkArea, LinkAction::Find );
+ else if ( !strcmp( name, "FullScreen" ) )
+ popplerLink = new LinkAction( linkArea, LinkAction::Presentation );
+ else if ( !strcmp( name, "Close" ) )
+ {
+ // acroread closes the document always, doesnt care whether
+ // its presentation mode or not
+ // popplerLink = new LinkAction( linkArea, LinkAction::EndPresentation );
+ popplerLink = new LinkAction( linkArea, LinkAction::Close );
+ }
+ else
+ {
+ // TODO
+ }
+ }
+ break;
+
+ case actionURI:
+ {
+ popplerLink = new LinkBrowse( linkArea, ((LinkURI *)a)->getURI()->getCString() );
+ }
+ break;
+
+ case actionMovie:
+/* TODO this (Movie link)
+ m_type = Movie;
+ LinkMovie * m = (LinkMovie *) a;
+ // copy Movie parameters (2 IDs and a const char *)
+ Ref * r = m->getAnnotRef();
+ m_refNum = r->num;
+ m_refGen = r->gen;
+ copyString( m_uri, m->getTitle()->getCString() );
+*/ break;
+
+ case actionUnknown:
+ break;
+ }
+ }
+
+ if (popplerLink)
+ {
+ popplerLinks.append(popplerLink);
+ }
+ }
+
+ delete xpdfLinks;
+
+ return popplerLinks;
+}
}
Index: poppler-private.h
===================================================================
RCS file: /cvs/poppler/poppler/qt/poppler-private.h,v
retrieving revision 1.6
diff -u -r1.6 poppler-private.h
--- poppler-private.h 23 May 2006 20:49:16 -0000 1.6
+++ poppler-private.h 24 Jun 2006 13:20:55 -0000
@@ -16,12 +16,43 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
+#include <Object.h>
#include <SplashOutputDev.h>
+#include <Link.h>
#include <PDFDoc.h>
#include <FontInfo.h>
-#include <Object.h>
+#include <UGooString.h>
namespace Poppler {
+
+/* borrowed from kpdf */
+static QString unicodeToQString(Unicode* u, int len) {
+ QString ret;
+ ret.setLength(len);
+ QChar* qch = (QChar*) ret.unicode();
+ for (;len;--len)
+ *qch++ = (QChar) *u++;
+ return ret;
+}
+
+static UGooString *QStringToUGooString(const QString &s) {
+ int len = s.length();
+ Unicode *u = (Unicode *)gmallocn(s.length(), sizeof(Unicode));
+ for (int i = 0; i < len; ++i)
+ u[i] = s.at(i).unicode();
+ return new UGooString(u, len);
+}
+
+class LinkDestinationData {
+ public:
+ LinkDestinationData( LinkDest *l, UGooString *nd, Poppler::DocumentData *pdfdoc ) : ld(l), namedDest(nd), doc(pdfdoc)
+ {
+ }
+
+ LinkDest *ld;
+ UGooString *namedDest;
+ Poppler::DocumentData *doc;
+};
class DocumentData {
public:
Index: poppler-qt.h
===================================================================
RCS file: /cvs/poppler/poppler/qt/poppler-qt.h,v
retrieving revision 1.16
diff -u -r1.16 poppler-qt.h
--- poppler-qt.h 1 Jun 2006 17:23:45 -0000 1.16
+++ poppler-qt.h 24 Jun 2006 13:20:55 -0000
@@ -24,6 +24,7 @@
#include <qdatetime.h>
#include <qpixmap.h>
+#include <poppler-link.h>
#include <poppler-page-transition.h>
namespace Poppler {
@@ -125,7 +126,7 @@
friend class Document;
public:
~Page();
- void renderToPixmap(QPixmap **q, int x, int y, int w, int h, double xres, double yres) const;
+ void renderToPixmap(QPixmap **q, int x, int y, int w, int h, double xres, double yres, bool doLinks = false) const;
/**
This is a convenience function that is equivalent to
@@ -134,7 +135,7 @@
\sa renderToImage()
*/
- void renderToPixmap(QPixmap **q, int x, int y, int w, int h) const;
+ void renderToPixmap(QPixmap **q, int x, int y, int w, int h, bool doLinks = false) const;
/**
\brief Render the page to a QImage using the Splash renderer
@@ -152,7 +153,7 @@
\sa renderToPixmap()
*/
- QImage renderToImage(double xres = 72.0, double yres = 72.0) const;
+ QImage renderToImage(double xres = 72.0, double yres = 72.0, bool doLinks = false) const;
/**
* Returns the size of the page in points
@@ -184,6 +185,11 @@
**/
Orientation orientation() const;
+ /**
+ Gets the links of the page once it has been rendered if doLinks was true
+ */
+ QValueList<Link*> links() const;
+
private:
Page(const Document *doc, int index);
PageData *data;
@@ -247,6 +253,8 @@
*/
bool scanForFonts( int numPages, QValueList<FontInfo> *fontList ) const;
+ LinkDestination *linkDestination( const QString &name );
+
~Document();
private:
/* poppler-link.h: qt interface to poppler
* Copyright (C) 2006, Albert Astals Cid <[EMAIL PROTECTED]>
* Adapting code from
* Copyright (C) 2004 by Enrico Ros <[EMAIL PROTECTED]>
*
* 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, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _POPPLER_LINK_H_
#define _POPPLER_LINK_H_
#include <qstring.h>
#include <qrect.h>
namespace Poppler {
class LinkDestinationData;
class LinkDestination
{
public:
enum Kind
{
destXYZ = 1,
destFit = 2,
destFitH = 3,
destFitV = 4,
destFitR = 5,
destFitB = 6,
destFitBH = 7,
destFitBV = 8
};
LinkDestination(const LinkDestinationData &data);
LinkDestination(const QString &description);
// Accessors.
Kind kind() const;
int pageNumber() const;
double left() const;
double bottom() const;
double right() const;
double top() const;
double zoom() const;
bool isChangeLeft() const;
bool isChangeTop() const;
bool isChangeZoom() const;
QString toString() const;
private:
Kind m_kind; // destination type
int m_pageNum; // page number
double m_left, m_bottom; // position
double m_right, m_top;
double m_zoom; // zoom factor
bool m_changeLeft, m_changeTop; // for destXYZ links, which position
bool m_changeZoom; // components to change
};
/**
* @short Encapsulates data that describes a link.
*
* This is the base class for links. It makes mandatory for inherited
* widgets to reimplement the 'linkType' method and return the type of
* the link described by the reimplemented class.
*/
class Link
{
public:
Link( const QRect &linkArea );
// get link type (inherited classes mustreturn an unique identifier)
enum LinkType { None, Goto, Execute, Browse, Action, Movie };
virtual LinkType linkType() const;
// virtual destructor
virtual ~Link();
QRect linkArea() const;
private:
QRect m_linkArea;
};
/** Goto: a viewport and maybe a reference to an external filename **/
class LinkGoto : public Link
{
public:
LinkGoto( const QRect &linkArea, QString extFileName, const LinkDestination & destination );
// query for goto parameters
bool isExternal() const;
const QString & fileName() const;
const LinkDestination & destination() const;
LinkType linkType() const;
private:
QString m_extFileName;
LinkDestination m_destination;
};
/** Execute: filename and parameters to execute **/
class LinkExecute : public Link
{
public:
// query for filename / parameters
const QString & fileName() const;
const QString & parameters() const;
// create a Link_Execute
LinkExecute( const QRect &linkArea, const QString & file, const QString & params );
LinkType linkType() const;
private:
QString m_fileName;
QString m_parameters;
};
/** Browse: an URL to open, ranging from 'http://' to 'mailto:' etc.. **/
class LinkBrowse : public Link
{
public:
// query for URL
const QString & url() const;
// create a Link_Browse
LinkBrowse( const QRect &linkArea, const QString &url );
LinkType linkType() const;
private:
QString m_url;
};
/** Action: contains an action to perform on document / viewer **/
class LinkAction : public Link
{
public:
// define types of actions
enum ActionType { PageFirst = 1,
PagePrev = 2,
PageNext = 3,
PageLast = 4,
HistoryBack = 5,
HistoryForward = 6,
Quit = 7,
Presentation = 8,
EndPresentation = 9,
Find = 10,
GoToPage = 11,
Close = 12 };
// query for action type
ActionType actionType() const;
// create a Link_Action
LinkAction( const QRect &linkArea, ActionType actionType );
LinkType linkType() const;
private:
ActionType m_type;
};
/** Movie: Not yet defined -> think renaming to 'Media' link **/
class LinkMovie : public Link
// TODO this (Movie link)
{
public:
LinkMovie( const QRect &linkArea );
LinkType linkType() const;
};
}
#endif
/* poppler-link.cc: qt interface to poppler
* Copyright (C) 2006, Albert Astals Cid
* Adapting code from
* Copyright (C) 2004 by Enrico Ros <[EMAIL PROTECTED]>
*
* 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, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <poppler-qt.h>
#include <poppler-private.h>
#include <qstringlist.h>
#include <Link.h>
namespace Poppler {
LinkDestination::LinkDestination(const LinkDestinationData &data)
{
LinkDest *ld = data.ld;
if ( data.namedDest && !ld )
ld = data.doc->doc.findDest( data.namedDest );
if (!ld) return;
if (ld->getKind() == ::destXYZ) m_kind = destXYZ;
else if (ld->getKind() == ::destFit) m_kind = destFit;
else if (ld->getKind() == ::destFitH) m_kind = destFitH;
else if (ld->getKind() == ::destFitV) m_kind = destFitV;
else if (ld->getKind() == ::destFitR) m_kind = destFitR;
else if (ld->getKind() == ::destFitB) m_kind = destFitB;
else if (ld->getKind() == ::destFitBH) m_kind = destFitBH;
else if (ld->getKind() == ::destFitBV) m_kind = destFitBV;
if ( !ld->isPageRef() ) m_pageNum = ld->getPageNum();
else
{
Ref ref = ld->getPageRef();
m_pageNum = data.doc->doc.findPage( ref.num, ref.gen );
}
double left = ld->getLeft();
double bottom = ld->getBottom();
double right = ld->getRight();
double top = ld->getTop();
m_zoom = ld->getZoom();
m_changeLeft = ld->getChangeLeft();
m_changeTop = ld->getChangeTop();
m_changeZoom = ld->getChangeZoom();
int leftAux, topAux, rightAux, bottomAux;
SplashOutputDev *sod = data.doc->getOutputDev();
sod->cvtUserToDev( left, top, &leftAux, &topAux );
sod->cvtUserToDev( right, bottom, &rightAux, &bottomAux );
m_left = leftAux;
m_top = topAux;
m_right = rightAux;
m_bottom = bottomAux;
}
LinkDestination::LinkDestination(const QString &description)
{
QStringList tokens = QStringList::split(';', description);
m_kind = static_cast<Kind>(tokens[0].toInt());
m_pageNum = tokens[1].toInt();
m_left = tokens[2].toDouble();
m_bottom = tokens[3].toDouble();
m_top = tokens[4].toDouble();
m_zoom = tokens[5].toDouble();
m_changeLeft = static_cast<bool>(tokens[6].toInt());
m_changeTop = static_cast<bool>(tokens[7].toInt());
m_changeZoom = static_cast<bool>(tokens[8].toInt());
}
LinkDestination::Kind LinkDestination::kind() const
{
return m_kind;
}
int LinkDestination::pageNumber() const
{
return m_pageNum;
}
double LinkDestination::left() const
{
return m_left;
}
double LinkDestination::bottom() const
{
return m_bottom;
}
double LinkDestination::right() const
{
return m_right;
}
double LinkDestination::top() const
{
return m_top;
}
double LinkDestination::zoom() const
{
return m_zoom;
}
bool LinkDestination::isChangeLeft() const
{
return m_changeLeft;
}
bool LinkDestination::isChangeTop() const
{
return m_changeTop;
}
bool LinkDestination::isChangeZoom() const
{
return m_changeZoom;
}
QString LinkDestination::toString() const
{
QString s = QString::number( (Q_INT8)m_kind );
s += ";" + QString::number( m_pageNum );
s += ";" + QString::number( m_left );
s += ";" + QString::number( m_bottom );
s += ";" + QString::number( m_right );
s += ";" + QString::number( m_top );
s += ";" + QString::number( m_zoom );
s += ";" + QString::number( (Q_INT8)m_changeLeft );
s += ";" + QString::number( (Q_INT8)m_changeTop );
s += ";" + QString::number( (Q_INT8)m_changeZoom );
return s;
}
// Link
Link::~Link()
{
}
Link::Link(const QRect &linkArea) : m_linkArea(linkArea)
{
}
Link::LinkType Link::linkType() const
{
return None;
}
QRect Link::linkArea() const
{
return m_linkArea;
}
// LinkGoto
LinkGoto::LinkGoto( const QRect &linkArea, QString extFileName, const LinkDestination & destination ) : Link(linkArea), m_extFileName(extFileName), m_destination(destination)
{
}
bool LinkGoto::isExternal() const
{
return !m_extFileName.isEmpty();
}
const QString &LinkGoto::fileName() const
{
return m_extFileName;
}
const LinkDestination &LinkGoto::destination() const
{
return m_destination;
}
Link::LinkType LinkGoto::linkType() const
{
return Goto;
}
// LinkExecute
LinkExecute::LinkExecute( const QRect &linkArea, const QString & file, const QString & params ) : Link(linkArea), m_fileName(file), m_parameters(params)
{
}
const QString & LinkExecute::fileName() const
{
return m_fileName;
}
const QString & LinkExecute::parameters() const
{
return m_parameters;
}
Link::LinkType LinkExecute::linkType() const
{
return Execute;
}
// LinkBrowse
LinkBrowse::LinkBrowse( const QRect &linkArea, const QString &url ) : Link(linkArea), m_url(url)
{
}
const QString & LinkBrowse::url() const
{
return m_url;
}
Link::LinkType LinkBrowse::linkType() const
{
return Browse;
}
// LinkAction
LinkAction::LinkAction( const QRect &linkArea, ActionType actionType ) : Link(linkArea), m_type(actionType)
{
}
LinkAction::ActionType LinkAction::actionType() const
{
return m_type;
}
Link::LinkType LinkAction::linkType() const
{
return Action;
}
// LinkMovie
LinkMovie::LinkMovie( const QRect &linkArea ) : Link(linkArea)
{
}
Link::LinkType LinkMovie::linkType() const
{
return Movie;
}
}
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