Added old abandoned KDE3 version of gwenview

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/gwenview@1088034 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 198 insertions, 0 deletions

diff --git a/src/gvcore/documentloadedimpl.cpp b/src/gvcore/documentloadedimpl.cpp
new file mode 100644
index 0000000..1d9456a
--- /dev/null
+++ b/src/gvcore/documentloadedimpl.cpp
@@ -0,0 +1,198 @@
+// vim: set tabstop=4 shiftwidth=4 noexpandtab:
+/*
+Gwenview - A simple image viewer for KDE
+Copyright 2000-2004 Aurélien Gâteau
+ 
+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.
+ 
+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 "documentloadedimpl.moc"
+
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/stat.h>
+
+// Qt
+#include <qdir.h>
+#include <qfileinfo.h>
+#include <qtimer.h>
+
+// KDE
+#include <kapplication.h>
+#include <kdebug.h>
+#include <kio/netaccess.h>
+#include <klargefile.h>
+#include <klocale.h>
+#include <ktempfile.h>
+
+// Local
+#include "imageutils/imageutils.h"
+namespace Gwenview {
+
+#undef ENABLE_LOG
+#undef LOG
+//#define ENABLE_LOG
+#ifdef ENABLE_LOG
+#define LOG(x) kdDebug() << k_funcinfo << x << endl
+#else
+#define LOG(x) ;
+#endif
+
+
+class DocumentLoadedImplPrivate {
+	int mSize;
+	QDateTime mModified;
+};
+
+DocumentLoadedImpl::DocumentLoadedImpl(Document* document)
+: DocumentImpl(document) {
+	LOG("");
+}
+
+
+void DocumentLoadedImpl::init() {
+	emit finished(true);
+}
+
+
+DocumentLoadedImpl::~DocumentLoadedImpl() {
+}
+
+
+void DocumentLoadedImpl::transform(ImageUtils::Orientation orientation) {
+	setImage(ImageUtils::transform(mDocument->image(), orientation));
+	emitImageRectUpdated();
+}
+
+
+QString DocumentLoadedImpl::save(const KURL& _url, const QCString& format) const {
+	if (!QImageIO::outputFormats().contains(format)) {
+		return i18n("Gwenview cannot write files in this format.");
+	}
+
+	QString msg;
+	KURL url(_url);
+	
+	// Use the umask to determine default mode (will be used if the dest file
+	// does not exist)
+	int _umask=umask(0);
+	umask(_umask);
+	mode_t mode=0666 & ~_umask;
+
+	if (url.isLocalFile()) {
+		// If the file is a link, dereference it but take care of circular
+		// links
+		QFileInfo info(url.path());
+		if (info.isSymLink()) {
+			QStringList links;
+			while (info.isSymLink()) {
+				links.append(info.filePath());
+				QString path=info.readLink();
+				if (path[0]!='/') {
+					path=info.dirPath(true) + '/' + path;
+				}
+				path=QDir::cleanDirPath(path);
+				if (links.contains(path)) {
+					return i18n("This is a circular link.");
+				}
+				info.setFile(path);
+			}
+			url.setPath(info.filePath());
+		}
+
+		
+		// Make some quick tests on the file if it is local
+		if (info.exists() && ! info.isWritable()) {
+			return i18n("This file is read-only.");
+		}
+		
+		if (info.exists()) {
+			// Get current file mode
+			KDE_struct_stat st; 
+			if (KDE_stat(QFile::encodeName(info.filePath()), &st)==0) {
+				mode=st.st_mode & 07777;
+			} else {
+				// This should not happen
+				kdWarning() << "Could not stat " << info.filePath() << endl;
+			}
+			
+		} else {
+			QFileInfo parent=QFileInfo(info.dirPath());
+			if (!parent.isWritable()) {
+				return
+					i18n("The %1 folder is read-only.")
+					.arg(parent.filePath());
+			}
+		}
+	}
+
+	// Save the file to a tmp file
+	QString prefix;
+	if (url.isLocalFile()) {
+		// We set the prefix to url.path() so that the temp file is on the
+		// same partition as the destination file. If we don't do this, rename
+		// will fail
+		prefix=url.path();
+	}
+	KTempFile tmp(prefix, "gwenview", mode);
+	tmp.setAutoDelete(true);
+	if (tmp.status()!=0) {
+		QString reason( strerror(tmp.status()) );
+		return i18n("Could not create a temporary file.\nReason: %1.")
+			.arg(reason);
+	}
+	QFile* file=tmp.file();
+	msg=localSave(file, format);
+	if (!msg.isNull()) return msg;
+	file->close();
+	
+	if (tmp.status()!=0) {
+		QString reason( strerror(tmp.status()) );
+		return i18n("Saving image to a temporary file failed.\nReason: %1.")
+			.arg(reason);
+	}
+	
+	QString tmpName=tmp.name();
+	int tmpSize=QFileInfo(tmpName).size();
+	setFileSize(tmpSize);
+
+	// Move the tmp file to the final dest
+	if (url.isLocalFile()) {
+		if( ::rename( QFile::encodeName(tmpName), QFile::encodeName( url.path())) < 0 ) {
+			return i18n("Could not write to %1.").arg(url.path());
+		}
+	} else {
+		if (!KIO::NetAccess::upload(tmp.name(), url, KApplication::kApplication()->mainWidget() )) {
+			return i18n("Could not upload the file to %1.").arg(url.prettyURL());
+		}
+	}
+
+	return QString::null;
+}
+
+
+QString DocumentLoadedImpl::localSave(QFile* file, const QCString& format) const {
+	QImageIO iio(file, format);
+	iio.setImage(mDocument->image());
+	if (!iio.write()) {
+		return
+			i18n("An error happened while saving.");
+	}
+	return QString::null;
+}
+
+
+} // namespace