Changeset 61 for trunk/src/PDFDocument.cxx

Timestamp:

04/14/06 12:36:20 (3 years ago)

Author:

jordi

Message:

I've removed all Poppler stuff from the DocumentOutline? and put it into the PDFDocument, where it should be. Also the previously protected setters DocumentOutline? methods are set to public.

Added the missing documentation comments.

Files:

• trunk/src/PDFDocument.cxx (modified) (4 diffs)

trunk/src/PDFDocument.cxx

@@ -19 +19 @@
 
 // Poppler headers.
+#include <goo/GooList.h>
 #include <PDFDoc.h>
 #include <CairoOutputDev.h>
@@ -24 +25 @@
 #include <GlobalParams.h>
 #include <PDFDocEncoding.h>
+#include <Outline.h>
+#include <Link.h>
 
 #include "epdfview.h"
@@ -126 +129 @@
     // Load the document's information and outline.
     loadMetadata ();
-    m_Outline = new DocumentOutline (m_Document);
-    m_Outline->setOutline (m_Document->getOutline ());
+    Outline *outline = m_Document->getOutline ();
+    m_Outline = new DocumentOutline ();
+    setOutline (m_Outline, outline->getItems ());
+    // Set the current rotation angle and zoom level.
+    m_Rotation = 0;
+    m_Scale = 1.0f;
     // Set the output device.
     delete m_OutputDevice;
@@ -203 +210 @@
     setNumPages (m_Document->getNumPages ());
     goToFirstPage ();
-
-    // Set the current rotation angle and zoom level.
-    m_Rotation = 0;
-    m_Scale = 1.0f;
+}
+
+///
+/// @brief Sets the document's outline.
+///
+/// This is a recursive function that adds child outlines
+/// from the PDF's outline to the passed @a outline.
+///
+/// @param outline The outline to set the nodes to. The first
+///                call must be set to the root DocumentOutline.
+/// @param childrenList The list of children for to set to @outline.
+///                     The first line must be a call to the getItems()
+///                     function from the PDF's outline.
+///
+void
+PDFDocument::setOutline (DocumentOutline *outline, GooList *childrenList)
+{
+    if ( NULL != childrenList )
+    {
+        int numChildren = childrenList->getLength ();
+        for ( int childIndex = 0 ; childIndex < numChildren ; childIndex++ )
+        {
+            OutlineItem *item = (OutlineItem *)childrenList->get (childIndex);
+            // Get the title, create the new child outline and set the
+            // title to it.
+            gchar *title = g_ucs4_to_utf8 (item->getTitle (),
+                                           item->getTitleLength (), 
+                                           NULL, NULL, NULL);
+            DocumentOutline *child = new DocumentOutline ();
+            child->setParent (outline);
+            child->setTitle (title);
+            g_free (title);
+            /// Get the page destination.
+            gint destination = 1;
+            LinkAction *action = item->getAction ();
+            if ( NULL != action && action->isOk () && 
+                 actionGoTo == action->getKind () ) 
+            {
+                LinkDest *linkDestination = ((LinkGoTo *)action)->getDest ();
+                if ( linkDestination->isOk () )
+                {
+                    if ( linkDestination->isPageRef () )
+                    {
+                        Ref pageReference = linkDestination->getPageRef ();
+                        destination = m_Document->findPage (pageReference.num,
+                                                            pageReference.gen);
+                    }
+                    else
+                    {
+                        destination = linkDestination->getPageNum ();
+                    }
+                } // if ( linkDestination->isOk () )
+            } // if ( NULL != action ... )
+            child->setDestination (destination);
+            outline->addChild (child);
+            // Add the child's children, if any.
+            if ( item->hasKids () )
+            {
+                // I need to open the outline because if it's not
+                // open then the getKids() function would return NULL.
+                item->open ();
+                setOutline (child, item->getKids ());
+            }
+        } // for ( int childIndex = 0 ; ... )       
+    } // if ( NULL != childrenList )
 }