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

1 files changed, 141 insertions, 0 deletions

diff --git a/kfile-plugins/raw/kcamerarawplugin.cpp b/kfile-plugins/raw/kcamerarawplugin.cpp
new file mode 100644
index 00000000..525e53ae
--- /dev/null
+++ b/kfile-plugins/raw/kcamerarawplugin.cpp
@@ -0,0 +1,141 @@
+/* This file is part of the KDE project
+ * Copyright (C) Steffen Hansen <hansen@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 version 2.
+ *
+ * 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; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "kcamerarawplugin.h"
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <klocale.h>
+#include <kgenericfactory.h>
+#include <kdebug.h>
+#include <ktempfile.h>
+#include <kimageio.h>
+#include <qfile.h>
+#include <qimage.h>
+#include <qwmatrix.h>
+#include <cstdio>
+
+
+typedef KGenericFactory<KCameraRawPlugin> RawFactory;
+
+K_EXPORT_COMPONENT_FACTORY(kfile_raw, RawFactory("kfile_raw"))
+
+#ifndef KDE_EXPORT
+# define KDE_EXPORT
+#endif
+
+/* Main entry point into raw parser */
+extern "C" {
+  int extract_thumbnail( FILE*, FILE*, int* );
+  extern char make[];
+  extern char model[];
+}
+
+bool KCameraRawPlugin::createPreview(const QString &path, QImage &img)
+{
+  /* Open file and extract thumbnail */
+  FILE* input = fopen( QFile::encodeName(path), "rb" );
+  if( !input ) return false;
+  KTempFile output;
+  output.setAutoDelete(true);
+  int orientation = 0;
+  if( extract_thumbnail( input, output.fstream(), &orientation ) ) {
+    fclose(input);
+    return false;
+  }
+  fclose(input);
+  output.close();
+  if( !img.load( output.name() ) ) return false;
+  
+  if(orientation) {
+    QWMatrix M;
+    QWMatrix flip= QWMatrix(-1,0,0,1,0,0);
+    switch(orientation+1) {  // notice intentional fallthroughs
+    case 2: M = flip; break;
+    case 4: M = flip;
+    case 3: M.rotate(180); break;
+    case 5: M = flip;
+    case 6: M.rotate(90); break;
+    case 7: M = flip;
+    case 8: M.rotate(270); break;
+    default: break; // should never happen
+    }
+    img = img.xForm(M);
+  }
+  return true;	
+}
+
+KCameraRawPlugin::KCameraRawPlugin(QObject *parent, const char *name,
+				   const QStringList &args )
+    : KFilePlugin(parent, name, args)
+{
+  kdDebug(7034) << "KCameraRawPlugin c'tor" << endl;
+
+  //
+  // define all possible meta info items
+  //
+  KFileMimeTypeInfo *info = addMimeTypeInfo("image/x-raw");
+  KFileMimeTypeInfo::GroupInfo *group = addGroupInfo( info, "Info",
+						      i18n("Image Info") );
+  KFileMimeTypeInfo::ItemInfo* item;
+  
+  item = addItemInfo( group, "Manufacturer", i18n("Camera Manufacturer"),
+		      QVariant::String );
+  item = addItemInfo( group, "Model", i18n("Camera Model"),
+		      QVariant::String );
+  item = addItemInfo( group, "Thumbnail", i18n("Thumbnail"),
+                      QVariant::Image );
+  setHint( item, KFileMimeTypeInfo::Thumbnail );
+}
+
+bool KCameraRawPlugin::readInfo( KFileMetaInfo& info, uint what )
+{
+    kdDebug(7034) << "KCameraRawPlugin::readInfo()" << endl;
+    
+    const QString path( info.path() );
+    if ( path.isEmpty() ) // remote file
+        return false;
+    
+    KFileMetaInfoGroup group = appendGroup( info, "Info" );
+    if ( what & KFileMetaInfo::Thumbnail ){
+      QImage img;
+      if( createPreview( path,img ) ) {
+	appendItem( group, "Thumbnail", img );
+	kdDebug(7034) << "thumbnail " << path << " created" << endl;
+      }
+    } else {
+      // HACK: We have to extract thumbnail to get any info...
+      QImage img;
+      createPreview( path,img );      
+    }
+    kdDebug(7034) << "make=" << make << endl;
+    kdDebug(7034) << "model=" << model << endl;
+    if( make[0] ) {
+      appendItem( group, "Manufacturer", &make[0] );
+    }
+    if( model[0] ) {
+      appendItem( group, "Model", &model[0] );
+    }
+
+    return true;
+}
+
+#include "kcamerarawplugin.moc"