summaryrefslogtreecommitdiffstats
path: root/kpovmodeler/pmlibraryobject.cpp
diff options
context:
space:
mode:
authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit47d455dd55be855e4cc691c32f687f723d9247ee (patch)
tree52e236aaa2576bdb3840ebede26619692fed6d7d /kpovmodeler/pmlibraryobject.cpp
downloadtdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.tar.gz
tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kpovmodeler/pmlibraryobject.cpp')
-rw-r--r--kpovmodeler/pmlibraryobject.cpp331
1 files changed, 331 insertions, 0 deletions
diff --git a/kpovmodeler/pmlibraryobject.cpp b/kpovmodeler/pmlibraryobject.cpp
new file mode 100644
index 00000000..e84ba9e1
--- /dev/null
+++ b/kpovmodeler/pmlibraryobject.cpp
@@ -0,0 +1,331 @@
+//-*-C++-*-
+/*
+**************************************************************************
+ description
+ --------------------
+ copyright : (C) 2002 by Luis Carvalho
+ email : lpassos@mail.telepac.pt
+**************************************************************************
+
+**************************************************************************
+* *
+* 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. *
+* *
+**************************************************************************/
+
+#include "pmlibraryobject.h"
+
+#include <qstring.h>
+#include <qvaluelist.h>
+#include <qdom.h>
+#include <qbuffer.h>
+#include <qimage.h>
+
+#include <karchive.h>
+#include <kurl.h>
+#include <ktar.h>
+#include <kfilterdev.h>
+
+#include <stdlib.h>
+
+#include "pmdebug.h"
+
+PMLibraryObject::PMLibraryObject( )
+{
+ m_previewLoaded = false;
+ m_objectsLoaded = false;
+ m_preview = NULL;
+ m_objects = NULL;
+ m_data = NULL;
+ m_name = QString::null;
+ m_description = QString::null;
+ m_keywords = QString::null;
+}
+
+PMLibraryObject::PMLibraryObject( KURL u )
+{
+ m_previewLoaded = false;
+ m_objectsLoaded = false;
+ m_preview = NULL;
+ m_objects = NULL;
+ m_data = new KTar( u.path( ), "application/x-gzip" );
+ loadLibraryInfo( );
+}
+
+PMLibraryObject::~PMLibraryObject( )
+{
+ delete m_data;
+ if( m_previewLoaded )
+ delete m_preview;
+ if( m_objectsLoaded )
+ delete m_objects;
+}
+
+void PMLibraryObject::loadLibraryInfo( )
+{
+ if( m_data )
+ {
+ m_data->open( IO_ReadOnly );
+ // Position in the root of the file
+ const KArchiveDirectory* root = m_data->directory( );
+ if( !root )
+ return;
+
+ // Find the object info
+ const KArchiveEntry* entry = root->entry( "objectinfo.xml" );
+ if( entry && entry->isFile( ) )
+ {
+ QBuffer buffer( ( ( KArchiveFile* )entry )->data( ) );
+ buffer.open( IO_ReadOnly );
+
+ QDomDocument doc( "OBJECTINFO" );
+ doc.setContent( &buffer );
+
+ QDomElement e = doc.documentElement( );
+ m_name = e.attribute( "name", "empty" );
+
+ QDomNode c = e.firstChild( );
+ while( !c.isNull( ) )
+ {
+ if( c.isElement( ) )
+ {
+ QDomElement ce = c.toElement( );
+ // Description information
+ if( ce.tagName( ) == "description" )
+ {
+ QDomText te = ce.firstChild( ).toText( );
+ m_description = te.nodeValue( );
+ }
+ // Keywords information
+ else if( ce.tagName( ) == "keywords" )
+ {
+ QDomText te = ce.firstChild( ).toText( );
+ m_keywords = te.nodeValue( );
+ }
+ // Extra files list
+ else if( ce.tagName( ) == "file_entries" )
+ {
+ QDomNode entry = ce.firstChild( );
+ while( !entry.isNull( ) )
+ {
+ QDomElement entryElement = entry.toElement( );
+ if( entryElement.tagName( ) == "file" )
+ m_extraFiles.append( entryElement.attribute( "name", "" ) );
+ entry = entry.nextSibling( );
+ }
+ }
+ }
+ c = c.nextSibling( );
+ }
+ }
+ m_data->close( );
+ }
+}
+
+QImage* PMLibraryObject::preview( )
+{
+ if( !m_previewLoaded )
+ {
+ if( m_data )
+ {
+ m_data->open( IO_ReadOnly );
+ // Position in the root of the file
+ const KArchiveDirectory* root = m_data->directory( );
+ if( !root )
+ return NULL;
+
+ // Find the object preview
+ const KArchiveEntry* entry = root->entry( "preview.png" );
+ if( entry && entry->isFile( ) )
+ {
+ QBuffer buffer( ( ( KArchiveFile* )entry )->data( ) );
+ buffer.open( IO_ReadOnly );
+ m_preview = new QImage( buffer.readAll( ) );
+ m_previewLoaded = true;
+ }
+
+ m_data->close( );
+ }
+ }
+ return m_preview;
+}
+
+QByteArray* PMLibraryObject::objects( )
+{
+ if( !m_objectsLoaded )
+ {
+ if( m_data )
+ {
+ m_data->open( IO_ReadOnly );
+ // Position in the root of the file
+ const KArchiveDirectory* root = m_data->directory( );
+ if( !root )
+ return NULL;
+
+ // Find the object info
+ const KArchiveEntry* entry = root->entry( "objectdata.kpm" );
+ if( entry && entry->isFile( ) )
+ {
+ // Transfer the file contents to a QByteArray.
+ // TODO Maybe there is a smarter way of doing this.
+ char buf[256];
+ int nbytes;
+ QIODevice* aux_in = ( ( KArchiveFile* )entry )->device( );
+
+ m_objects = new QByteArray( );
+ QBuffer aux_out( *m_objects );
+
+ aux_in->open( IO_ReadOnly );
+ aux_out.open( IO_WriteOnly );
+ while( !aux_in->atEnd( ) )
+ {
+ nbytes = aux_in->readBlock( buf, 256 );
+ aux_out.writeBlock( buf, nbytes );
+ }
+ delete aux_in;
+ if( m_objects->size( ) != 0 )
+ m_objectsLoaded = true;
+ else
+ {
+ delete m_objects;
+ m_objects = NULL;
+ }
+ }
+ }
+ }
+ return m_objects;
+}
+
+void PMLibraryObject::setName( const QString& str )
+{
+ m_name = str;
+}
+
+void PMLibraryObject::setDescription( const QString& str )
+{
+ m_description = str;
+}
+
+void PMLibraryObject::setKeywords( const QString& str )
+{
+ m_keywords = str;
+}
+
+void PMLibraryObject::setPreview( const QImage& img )
+{
+ if( m_previewLoaded )
+ delete m_preview;
+
+ m_preview = new QImage( img );
+ m_previewLoaded = true;
+}
+
+void PMLibraryObject::setObjects( const QByteArray& obj )
+{
+ if( m_objectsLoaded )
+ delete m_objects;
+
+ m_objects = new QByteArray( obj );
+ m_objects->detach( );
+ m_objectsLoaded = true;
+}
+
+void PMLibraryObject::save( const QString& fileName )
+{
+ // create the library file
+ m_data = new KTar( fileName, "application/x-gzip" );
+ m_data->open( IO_WriteOnly );
+ // save object info
+ saveLibraryInfo( );
+ // save preview
+ savePreview( );
+ // save library objects
+ saveObjects( );
+ m_data->close( );
+}
+
+void PMLibraryObject::saveLibraryInfo( )
+{
+ // Pre-condition for the execution of this method.
+ if( !m_data || !m_data->isOpened( ) )
+ {
+ kdError( PMArea ) << "Trying to save to an unopened data file." << endl;
+ exit( 1 );
+ }
+
+ QBuffer buf;
+
+ // Document type
+ QDomDocument doc( "OBJECTINFO" );
+
+ // The root element for the document has one attribute: name
+ QDomElement root = doc.createElement( "object" );
+ doc.appendChild( root );
+ root.setAttribute( "name", m_name );
+
+ // Inside the root element we add the description node ...
+ QDomElement description = doc.createElement( "description" );
+ root.appendChild( description );
+ description.appendChild( doc.createTextNode( m_description ) );
+
+ // ... and the keywords node ...
+ QDomElement keywords = doc.createElement( "keywords" );
+ root.appendChild( keywords );
+ keywords.appendChild( doc.createTextNode( m_keywords ) );
+
+ // ... and finally the extra files information
+ QDomElement file_list = doc.createElement( "file_list" );
+ root.appendChild( file_list );
+ QStringList::Iterator it = m_extraFiles.begin( );
+ for( ; it != m_extraFiles.end( ); ++it )
+ {
+ QDomElement entry = doc.createElement( "file" );
+ entry.setAttribute( "name", *it );
+ file_list.appendChild( entry );
+ }
+
+ // Write the document to the buffer
+ QByteArray array;
+ QTextStream str( array, IO_WriteOnly );
+ str.setEncoding( QTextStream::UnicodeUTF8 );
+ str << doc.toString( );
+ m_data->writeFile( "objectinfo.xml", "user", "group", array.size( ), array.data( ) );
+}
+
+void PMLibraryObject::savePreview( )
+{
+ // Pre-condition for the execution of this method.
+ if( !m_data || !m_data->isOpened( ) )
+ {
+ kdError( PMArea ) << "Trying to save to an unopened data file." << endl;
+ exit( 1 );
+ }
+
+ QByteArray array;
+ QBuffer iods( array );
+ QImageIO img_io( &iods, "PNG" );
+
+ if( m_previewLoaded )
+ {
+ img_io.setImage( *m_preview );
+ iods.open( IO_WriteOnly );
+ img_io.write( );
+ m_data->writeFile( "preview.png", "user", "group", array.size( ), array.data( ) );
+ }
+}
+
+void PMLibraryObject::saveObjects( )
+{
+ // Pre-condition for the execution of this method.
+ if( !m_data || !m_data->isOpened( ) )
+ {
+ kdError( PMArea ) << "Trying to save to an unopened data file." << endl;
+ exit( 1 );
+ }
+
+ if( m_objectsLoaded )
+ m_data->writeFile( "objectdata.kpm", "user", "group", m_objects->size( ), m_objects->data( ) );
+}