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, 194 insertions, 0 deletions

diff --git a/src/gvcore/document.h b/src/gvcore/document.h
new file mode 100644
index 0000000..98b14ca
--- /dev/null
+++ b/src/gvcore/document.h
@@ -0,0 +1,194 @@
+// vim: set tabstop=4 shiftwidth=4 noexpandtab
+/*
+Gwenview - A simple image viewer for KDE
+Copyright 2000-2006 Aurelien Gateau
+ 
+ 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.
+
+*/
+#ifndef DOCUMENT_H
+#define DOCUMENT_H
+
+// Qt 
+#include <qcstring.h>
+#include <qobject.h>
+#include <qimage.h>
+
+// KDE 
+#include <kurl.h>
+#include <kprinter.h>
+
+// Local 
+#include "imageutils/orientation.h"
+#include "mimetypeutils.h"
+#include "libgwenview_export.h"
+namespace KIO { class Job; }
+
+namespace Gwenview {
+class DocumentPrivate;
+class DocumentImpl;
+
+/**
+ * The application document.
+ * It knows what the current url is and will emit signals when
+ * loading/loaded/modified...
+ * 
+ * The ordering of loading() and loaded() signals is:
+ * - setURL() is called
+ * - URL is stated
+ * - loading() is emitted (may be skipped if no loading is needed, e.g. wrong URL)
+ * - image is being loaded
+ * - loaded() is emitted
+ */
+class LIBGWENVIEW_EXPORT Document : public QObject {
+Q_OBJECT
+public:
+	enum CommentState { NONE=0, READ_ONLY=1, WRITABLE=2 };
+	
+	Document(QObject*);
+	~Document();
+
+	// Properties
+	const QImage& image() const;
+	KURL url() const;
+	KURL dirURL() const;
+	QString filename() const;
+	const QCString& imageFormat() const;
+	int fileSize() const;
+	QString mimeType() const;
+	MimeTypeUtils::Kind urlKind() const;
+	bool isModified() const;
+
+	/**
+	 * Returns true if Gwenview knows how to save such an image
+	 */
+	bool canBeSaved() const;
+
+	// Convenience methods
+	bool isNull() const { return image().isNull(); }
+	int width() const { return image().width(); }
+	int height() const { return image().height(); }
+
+	Document::CommentState commentState() const;
+	QString comment() const;
+	void setComment(const QString&);
+	QString aperture() const;
+	QString exposureTime() const;
+	QString iso() const;
+	QString focalLength() const;
+
+	int duration() const;
+	
+public slots:
+	void setURL(const KURL&);
+	void setDirURL(const KURL&);
+	void reload();
+
+	/**
+	 * Save to the current file.
+	 */
+	void save();
+	void saveAs();
+	
+	/** print the selected file */
+	void print(KPrinter *pPrinter);
+	
+	/**
+	 * If the image has been modified, prompt the user to save the changes.
+	 */
+	void saveBeforeClosing();
+
+	// "Image manipulation"
+	void transform(ImageUtils::Orientation);
+
+signals:
+	/**
+	 * Emitted when the class starts to load the image.
+	 */
+	void loading();
+
+	/**
+	 * Emitted when the class has finished loading the image.
+	 * Also emitted if the image could not be loaded.
+	 */
+	void loaded(const KURL& url);
+
+	/**
+	 * Emitted when the image has been modified.
+	 */
+	void modified();
+
+	/**
+	 * Emitted when the image has been saved on disk.
+	 */
+	void saved(const KURL& url);
+
+	/**
+	 * Emitted when the image has been reloaded.
+	 */ 
+	void reloaded(const KURL& url);
+
+	/**
+	 * Emitted to show a part of the image must be refreshed
+	 */
+	void rectUpdated(const QRect& rect);
+
+	/**
+	 * Emitted when the size is known
+	 */
+	void sizeUpdated();
+
+	/**
+	 * Emitted when something goes wrong, like when save fails
+	 */
+	void errorHappened(const QString& message);
+
+private slots:
+	void slotStatResult(KIO::Job*); 
+	void slotFinished(bool success);
+	void slotLoading();
+	void slotLoaded();
+	
+private:
+	friend class DocumentImpl;
+	friend class DocumentPrivate;
+
+	DocumentPrivate* d;
+
+	// These methods are used by DocumentImpl and derived
+	void switchToImpl(DocumentImpl*);
+	void setImage(QImage);
+	void setImageFormat(const QCString&);
+	void setMimeType(const QString&);
+	void setFileSize(int); 
+	
+	void reset();
+	void load();
+	void doPaint(KPrinter *pPrinter, QPainter *p);
+
+	/**
+	 * The returned string is null if the image was successfully saved,
+	 * otherwise it's the translated error message.
+	 */
+	QString saveInternal(const KURL& url, const QCString& format);
+
+	Document(const Document&);
+	Document &operator=(const Document&);
+};
+
+
+} // namespace
+#endif
+