Added old abandoned KDE3 version of koffice

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/koffice@1077364 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 136 insertions, 0 deletions

diff --git a/lib/kofficecore/KoPictureEps.h b/lib/kofficecore/KoPictureEps.h
new file mode 100644
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--- /dev/null
+++ b/lib/kofficecore/KoPictureEps.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 __koPictureEps_h__
+#define __koPictureEps_h__
+
+#include <qstring.h>
+
+class QPainter;
+class QSize;
+class KoPictureEpsPrivate;
+
+// TODO: fix documentation
+
+/**
+ * @internal
+ * KoPictureEps is a container class for a EPS picture
+ */
+class KoPictureEps : public KoPictureBase
+{
+public:
+    /**
+     * Default constructor.
+     */
+    KoPictureEps();
+
+    /**
+     * Destructor.
+     */
+    virtual ~KoPictureEps();
+
+    KoPictureType::Type getType(void) const;
+
+    KoPictureBase* newCopy(void) const;
+
+    /**
+     * Returns true if the picture is null.
+     */
+    virtual bool isNull(void) const;
+
+    /**
+     * @brief Draw the image in a painter.
+     *
+     * No, this isn't as simple as painter.drawPixmap().
+     * This method ensures that the best quality is used when printing, scaling the 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);
+
+    virtual bool loadData(const QByteArray& array, const QString& extension);
+
+    virtual bool save(QIODevice* io) const;
+
+    virtual QSize getOriginalSize(void) const;
+
+    virtual QPixmap generatePixmap(const QSize& size, bool smoothScale = false);
+
+    virtual QString getMimeType(const QString& extension) const;
+
+    /**
+     * Generate a QImage
+     * (always in slow mode)
+     */
+    virtual QImage generateImage(const QSize& size);
+
+    virtual void clearCache(void);
+protected:
+    QPixmap getPixmap(QImage& image);
+    void scaleAndCreatePixmap(const QSize& size, bool fastMode, const int resolutionx, const int resolutiony );
+    QImage scaleWithGhostScript( const QSize& size, const int resolutionx, const int resolutiony );
+    bool extractPostScriptStream( void );
+
+private:
+    int tryScaleWithGhostScript(QImage &image, const QSize& size, const int resolutionx, const int resolutiony, const char* device );
+    /**
+     * @brief Read a line from a PostScript stream in a QByteArray
+     *
+     * The PostScript stream is somewhere in the QByteArray and therefore has to be
+     * determined by the start and length of this stream and the current position
+     *
+     * @param array the array which is read
+     * @param start start position of the PostScript stream
+     * @param lenght lenght of the PostScript stream
+     * @param pos current position (which is also returned)
+     * @param lastCharWasCr defines if the previous line ended with a Carriage Return,
+     *   to skip an eventual Line Feed at the start of this line
+     * @return the read line
+     */
+    QString readLine( const QByteArray& array, const uint start, const uint length, uint& pos, bool& lastCharWasCr );
+
+private:
+    /**
+     * Copy of the loaded EPS file
+     */
+    QByteArray m_rawData;
+    QPixmap m_cachedPixmap; ///< Cached pixmap
+    QSize m_originalSize; ///< Original size of the EPS picture
+    QSize m_cachedSize; ///< size of the currently cached pixmap @see m_cachedPixmap
+    QRect m_boundingBox; ///< Bounding box, as read from the EPS file
+    uint m_psStreamStart; ///< Start position of the PostScript stream (like if it was a MS-DOS EPS file)
+    uint m_psStreamLength; ///< Lenght of the PostScript stream (like if it was a MS-DOS EPS file)
+    /**
+     * true, if the last cached image was done using fast mode.
+     * false, if the last cached image was done using slow mode.
+     */
+    bool m_cacheIsInFastMode;
+};
+
+#endif /* __koPictureEps_h__ */