Merge required poppler-qt into kdegraphics with Autotools

CMake support still needs to be added


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1237420 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 362 insertions, 0 deletions

diff --git a/kfile-plugins/pdf/poppler-qt/poppler-page.cc b/kfile-plugins/pdf/poppler-qt/poppler-page.cc
new file mode 100644
index 00000000..a42aa15c
--- /dev/null
+++ b/kfile-plugins/pdf/poppler-qt/poppler-page.cc
@@ -0,0 +1,362 @@
+/* poppler-page.cc: qt interface to poppler
+ * Copyright (C) 2005, Net Integration Technologies, Inc.
+ * Copyright (C) 2005-2006, Albert Astals Cid <aacid@kde.org>
+ * Copyright (C) 2005, Tobias Koening <tokoe@kde.org>
+ * Copyright (C) 2005, Stefan Kebekus <stefan.kebekus@math.uni-koeln.de>
+ * Copyright (C) 2006, Wilfried Huss <Wilfried.Huss@gmx.at>
+ * Copyright (C) 2006, Jerry Epplin <jepplin@globalvelocity.com>
+ * Copyright (C) 2007, 2010, Pino Toscano <pino@kde.org>
+ *
+ * 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include <poppler-qt.h>
+#include <qfile.h>
+#include <qimage.h>
+#include <config.h>
+#include <GlobalParams.h>
+#include <PDFDoc.h>
+#include <Catalog.h>
+#include <ErrorCodes.h>
+#include <TextOutputDev.h>
+#include <Link.h>
+#if defined(HAVE_SPLASH)
+#include <SplashOutputDev.h>
+#include <splash/SplashBitmap.h>
+#endif
+
+#include "poppler-private.h"
+#include "poppler-page-transition-private.h"
+
+namespace Poppler {
+
+class PageData {
+  public:
+  const Document *doc;
+  int index;
+  PageTransition *transition;
+};
+
+Page::Page(const Document *doc, int index) {
+  data = new PageData();
+  data->index = index;
+  data->doc = doc;
+  data->transition = 0;
+}
+
+Page::~Page()
+{
+  delete data->transition;
+  delete data;
+}
+
+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, doLinks);
+}
+
+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, doLinks);
+  *q = new QPixmap( img );
+}
+
+QImage Page::renderToImage(double xres, double yres, bool doLinks) const
+{
+#if defined(HAVE_SPLASH)
+  SplashOutputDev *output_dev;
+  SplashBitmap *bitmap;
+  SplashColorPtr color_ptr;
+  output_dev = data->doc->data->getOutputDev();
+
+  data->doc->data->doc.displayPageSlice(output_dev, data->index + 1, xres, yres,
+      0, false, true, false, -1, -1, -1, -1);
+  bitmap = output_dev->getBitmap ();
+  color_ptr = bitmap->getDataPtr ();
+  int bw = output_dev->getBitmap()->getWidth();
+  int bh = output_dev->getBitmap()->getHeight();
+  SplashColorPtr dataPtr = output_dev->getBitmap()->getDataPtr();
+  
+  if (QImage::BigEndian == QImage::systemByteOrder())
+  {
+    uchar c;
+    int count = bw * bh * 4;
+    for (int k = 0; k < count; k += 4)
+    {
+      c = dataPtr[k];
+      dataPtr[k] = dataPtr[k+3];
+      dataPtr[k+3] = c;
+
+      c = dataPtr[k+1];
+      dataPtr[k+1] = dataPtr[k+2];
+      dataPtr[k+2] = c;
+    }
+  }
+  
+  // construct a qimage SHARING the raw bitmap data in memory
+  QImage img( dataPtr, bw, bh, 32, 0, 0, QImage::IgnoreEndian );
+  img = img.copy();
+  // unload underlying xpdf bitmap
+  output_dev->startPage( 0, NULL );
+
+  return img;
+#else
+  (void)xres;
+  (void)xres;
+  (void)doLinks;
+
+  return QImage();
+#endif
+}
+
+QString Page::getText(const Rectangle &r) const
+{
+  TextOutputDev *output_dev;
+  GooString *s;
+  PDFRectangle *rect;
+  QString result;
+  ::Page *p;
+  
+  output_dev = new TextOutputDev(0, gFalse, gFalse, gFalse);
+  data->doc->data->doc.displayPageSlice(output_dev, data->index + 1, 72, 72,
+      0, false, false, false, -1, -1, -1, -1);
+  p = data->doc->data->doc.getCatalog()->getPage(data->index + 1);
+  if (r.isNull())
+  {
+    rect = p->getCropBox();
+    s = output_dev->getText(rect->x1, rect->y1, rect->x2, rect->y2);
+  }
+  else
+  {
+    double height, y1, y2;
+    height = p->getCropHeight();
+    y1 = height - r.m_y2;
+    y2 = height - r.m_y1;
+    s = output_dev->getText(r.m_x1, y1, r.m_x2, y2);
+  }
+
+  result = QString::fromUtf8(s->getCString());
+
+  delete output_dev;
+  delete s;
+  return result;
+}
+
+QValueList<TextBox*> Page::textList() const
+{
+  TextOutputDev *output_dev;
+  
+  QValueList<TextBox*> output_list;
+  
+  output_dev = new TextOutputDev(0, gFalse, gFalse, gFalse);
+
+  data->doc->data->doc.displayPageSlice(output_dev, data->index + 1, 72, 72,
+      0, false, false, false, -1, -1, -1, -1);
+
+  TextWordList *word_list = output_dev->makeWordList();
+  
+  if (!word_list) {
+    delete output_dev;
+    return output_list;
+  }
+  
+  for (int i = 0; i < word_list->getLength(); i++) {
+    TextWord *word = word_list->get(i);
+    GooString *word_str = word->getText();
+    QString string = QString::fromUtf8(word_str->getCString());
+    delete word_str;
+    double xMin, yMin, xMax, yMax;
+    word->getBBox(&xMin, &yMin, &xMax, &yMax);
+    
+    TextBox* text_box = new TextBox(string, Rectangle(xMin, yMin, xMax, yMax));
+    
+    output_list.append(text_box);
+  }
+  
+  delete word_list;
+  delete output_dev;
+  
+  return output_list;
+}
+
+PageTransition *Page::getTransition() const
+{
+  if (!data->transition) 
+  {
+    Object o;
+    PageTransitionParams params;
+    params.dictObj = data->doc->data->doc.getCatalog()->getPage(data->index + 1)->getTrans(&o);
+    data->transition = new PageTransition(params);
+    o.free();
+  }
+  return data->transition;
+}
+
+QSize Page::pageSize() const
+{
+  ::Page *p;
+
+  p = data->doc->data->doc.getCatalog()->getPage(data->index + 1);
+  if ( ( Page::Landscape == orientation() ) || (Page::Seascape == orientation() ) ) {
+    return QSize( (int)p->getCropHeight(), (int)p->getCropWidth() );
+  } else {
+    return QSize( (int)p->getCropWidth(), (int)p->getCropHeight() );
+  }
+}
+
+Page::Orientation Page::orientation() const
+{
+  ::Page *p = data->doc->data->doc.getCatalog()->getPage(data->index + 1);
+
+  int rotation = p->getRotate();
+  switch (rotation) {
+  case 90:
+    return Page::Landscape;
+    break;
+  case 180:
+    return Page::UpsideDown;
+    break;
+  case 270:
+    return Page::Seascape;
+    break;
+  default:
+    return Page::Portrait;
+  }
+}
+
+QValueList<Link*> Page::links() const
+{
+  QValueList<Link*> popplerLinks;
+
+#if defined(HAVE_SPLASH)
+  Links *xpdfLinks = data->doc->data->doc.getLinks(data->index + 1);
+  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 QString fileName = UnicodeParsedString( g->getFileName() );
+          // ceate link: fileName, namedDest, object pointer
+          popplerLink = new LinkGoto( linkArea, 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:
+        case actionSound:
+        case actionRendition:
+        case actionJavaScript:
+        case actionOCGState:
+        break;
+
+        case actionUnknown:
+        break;
+      }
+    }
+    
+    if (popplerLink)
+    {
+      popplerLinks.append(popplerLink);
+    }
+  }
+
+  delete xpdfLinks;
+#endif
+  
+  return popplerLinks;
+}
+
+}