1 files changed, 128 insertions, 0 deletions
diff --git a/lib/kofficecore/KoPictureBase.h b/lib/kofficecore/KoPictureBase.h
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+++ b/lib/kofficecore/KoPictureBase.h
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+/* This file is part of the KDE project
+   Copyright (c) 2001 Simon Hausmann <hausmann@kde.org>
+   Copyright (C) 2002, 2003, 2004 Nicolas GOUTTE <goutte@kde.org>
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public License
+   along with this library; see the file COPYING.LIB.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+*/
+#ifndef __koPictureBase_h__
+#define __koPictureBase_h__
+
+#include "KoPictureKey.h" // for KoPictureType
+
+#include <qstring.h>
+#include <qimage.h>
+
+class KoXmlWriter;
+class QPainter;
+class QSize;
+class QIODevice;
+class QDragObject;
+
+const char NULL_MIME_TYPE[]="application/x-zerosize";
+
+// TODO: fix documentation
+
+/**
+ * @internal
+ * Base class for KoPictureImage, KoPictureClipart, KoPictureEps, KoPictureWmf...
+ */
+class KoPictureBase
+{
+public:
+    /**
+     * Default constructor.
+     */
+    KoPictureBase();
+
+    /**
+     * Destructor.
+     */
+    virtual ~KoPictureBase();
+
+    virtual KoPictureType::Type getType(void) const;
+
+    virtual KoPictureBase* newCopy(void) const;
+
+    /**
+     * Returns true if the picture is null.
+     */
+    virtual bool isNull(void) const;
+
+    /**
+     * @brief Draw the picture in a painter.
+     *
+     * The parameter @p fastMode allows the picture to be re-sized and drawn quicker if possible
+     *
+     * The parameters @p width, @p height define the desired size for the image
+     * Note that the image is being scaled to that size using scale() - except when printing.
+     * This avoids scaling the image at each paint event.
+     *
+     * The other parameters are very similar to QPainter::drawPixmap :
+     * (@p x, @p y) define the position in the painter,
+     * (@p sx, @p sy) specify the top-left point in pixmap that is to be drawn. The default is (0, 0).
+     * (@p sw, @p sh) specify the size of the pixmap that is to be drawn. The default, (-1, -1), means all the way to the bottom
+     * right of the pixmap.
+     */
+    virtual void draw(QPainter& painter, int x, int y, int width, int height, int sx = 0, int sy = 0, int sw = -1, int sh = -1, bool fastMode = false);
+
+    /**
+     * Create a dragobject containing this picture.
+     * @param dragSource must be 0 when copying to the clipboard
+     * @return 0L if the picture is null!
+     */
+    virtual QDragObject* dragObject( QWidget *dragSource = 0L, const char *name = 0L );
+
+    virtual bool load(QIODevice* io, const QString& extension);
+
+    virtual bool loadData(const QByteArray& array, const QString& extension);
+
+    /**
+     * save file
+     * @param io QIODevice used for saving
+     */
+    virtual bool save(QIODevice* io) const;
+
+    /**
+     * OASIS FlatXML support:
+     * Save picture as base64-encoded data into an XML writer.
+     */
+    virtual bool saveAsBase64( KoXmlWriter& writer ) const;
+
+    virtual QSize getOriginalSize(void) const;
+
+    virtual QPixmap generatePixmap(const QSize& size, bool smoothScale = false);
+
+    virtual QString getMimeType(const QString& extension) const;
+
+    bool isSlowResizeModeAllowed(void) const;
+
+    /**
+     * Generate a QImage
+     * (always in slow mode)
+     */
+    virtual QImage generateImage(const QSize& size);
+
+    virtual bool hasAlphaBuffer() const
+        { return false; }
+    virtual void setAlphaBuffer(bool /*enable*/)
+        { }
+    virtual QImage createAlphaMask(int /*conversion_flags*/ = 0) const
+        { return QImage(); }
+
+    virtual void clearCache(void);
+};
+
+#endif /* __koPictureBase_h__ */