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author | tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2010-01-20 01:29:50 +0000 |
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committer | tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2010-01-20 01:29:50 +0000 |
commit | 8362bf63dea22bbf6736609b0f49c152f975eb63 (patch) | |
tree | 0eea3928e39e50fae91d4e68b21b1e6cbae25604 /krita/core/tiles/kis_tilediterator.h | |
download | koffice-8362bf63dea22bbf6736609b0f49c152f975eb63.tar.gz koffice-8362bf63dea22bbf6736609b0f49c152f975eb63.zip |
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
Diffstat (limited to 'krita/core/tiles/kis_tilediterator.h')
-rw-r--r-- | krita/core/tiles/kis_tilediterator.h | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/krita/core/tiles/kis_tilediterator.h b/krita/core/tiles/kis_tilediterator.h new file mode 100644 index 00000000..02431f4b --- /dev/null +++ b/krita/core/tiles/kis_tilediterator.h @@ -0,0 +1,213 @@ +/* This file is part of the KDE project + * Copyright (c) 2004 Casper Boemann <cbr@boemann.dkt> + * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#ifndef KIS_TILED_ITERATOR_H_ +#define KIS_TILED_ITERATOR_H_ + +#include <qglobal.h> + +#include <ksharedptr.h> + +#include <kis_tile.h> +#include <kis_tileddatamanager.h> +#include <koffice_export.h> +/** + * The KisIterator class iterates through the pixels of a KisPaintDevice hiding the tile structure + */ +class KRITACORE_EXPORT KisTiledIterator : public KShared { + +protected: + KisTiledDataManager *m_ktm; + Q_INT32 m_pixelSize; // bytes per pixel + Q_INT32 m_x; // current x position + Q_INT32 m_y; // cirrent y position + Q_INT32 m_row; // row in tilemgr + Q_INT32 m_col; // col in tilemgr + Q_UINT8 *m_data; + Q_UINT8 *m_oldData; + Q_INT32 m_offset; + KisTile *m_tile; + KisTile* m_oldTile; + bool m_writable; + +protected: + inline Q_UINT32 xToCol(Q_UINT32 x) const { if (m_ktm) return m_ktm->xToCol(x); else return 0; }; + inline Q_UINT32 yToRow(Q_UINT32 y) const { if (m_ktm) return m_ktm->yToRow(y); else return 0; }; + void fetchTileData(Q_INT32 col, Q_INT32 row); + +public: + KisTiledIterator( KisTiledDataManager *ktm); + KisTiledIterator(const KisTiledIterator&); + KisTiledIterator& operator=(const KisTiledIterator&); + ~KisTiledIterator(); + +public: + // current x position + Q_INT32 x() const { return m_x; }; + + // cirrent y position + Q_INT32 y() const { return m_y; }; + + /// Returns a pointer to the pixel data. Do NOT interpret the data - leave that to a colorstrategy + Q_UINT8 *rawData() const; + + /// Returns a pointer to the pixel data as it was at the moment tof he last memento creation. + const Q_UINT8 * oldRawData() const; +}; + +/** + * The KisRectIterator class iterates through the pixels of a rect in a KisPaintDevice hiding the + * tile structure + */ +class KRITACORE_EXPORT KisTiledRectIterator : public KisTiledIterator +{ + +public: + /// do not call constructor directly use factory method in KisDataManager instead. + KisTiledRectIterator( KisTiledDataManager *dm, Q_INT32 x, Q_INT32 y, Q_INT32 w, Q_INT32 h, bool writable); + KisTiledRectIterator(const KisTiledRectIterator&); + KisTiledRectIterator& operator=(const KisTiledRectIterator&); + ~KisTiledRectIterator(); + +public: + Q_INT32 nConseqPixels() const; + + /// Advances a number of pixels until it reaches the end of the rect + KisTiledRectIterator & operator+=(int n); + + /// Advances one pixel. Going to the beginning of the next line when it reaches the end of a line + KisTiledRectIterator & operator++(); + + /// Goes back one pixel. Going to the end of the line above when it reaches the beginning of a line + //KisTiledRectIterator & operator--(); + + /// returns true when the iterator has reached the end + inline bool isDone() const { return m_beyondEnd; } + + +protected: + Q_INT32 m_left; + Q_INT32 m_top; + Q_INT32 m_w; + Q_INT32 m_h; + Q_INT32 m_topRow; + Q_INT32 m_bottomRow; + Q_INT32 m_leftCol; + Q_INT32 m_rightCol; + Q_INT32 m_xInTile; + Q_INT32 m_yInTile; + Q_INT32 m_leftInTile; + Q_INT32 m_rightInTile; + Q_INT32 m_topInTile; + Q_INT32 m_bottomInTile; + bool m_beyondEnd; + +private: + void nextTile(); +}; + +/** + * The KisHLineIterator class iterates through the pixels of a horizontal line in a KisPaintDevice hiding the + * tile structure + */ +class KRITACORE_EXPORT KisTiledHLineIterator : public KisTiledIterator +{ + +public: + /// do not call constructor directly use factory method in KisDataManager instead. + KisTiledHLineIterator( KisTiledDataManager *dm, Q_INT32 x, Q_INT32 y, Q_INT32 w, bool writable); + KisTiledHLineIterator(const KisTiledHLineIterator&); + KisTiledHLineIterator& operator=(const KisTiledHLineIterator&); + ~KisTiledHLineIterator(); + +public: + /// Advances one pixel. Going to the beginning of the next line when it reaches the end of a line + KisTiledHLineIterator & operator++(); + + /// Returns the number of consequtive horizontal pixels that we point at + /// This is useful for optimizing + Q_INT32 nConseqHPixels() const; + + /// Advances a number of pixels until it reaches the end of the line + KisTiledHLineIterator & operator+=(int); + + /// Goes back one pixel. Going to the end of the line above when it reaches the beginning of a line + KisTiledHLineIterator & operator--(); + + /// returns true when the iterator has reached the end + bool isDone() const { return m_x > m_right; } + + /// increment to the next row and rewind to the begining + void nextRow(); + +protected: + Q_INT32 m_right; + Q_INT32 m_left; + Q_INT32 m_leftCol; + Q_INT32 m_rightCol; + Q_INT32 m_xInTile; + Q_INT32 m_yInTile; + Q_INT32 m_leftInTile; + Q_INT32 m_rightInTile; + +private: + void nextTile(); + void prevTile(); +}; + +/** + * The KisVLineIterator class iterates through the pixels of a vertical line in a KisPaintDevice hiding the + * tile structure + */ +class KRITACORE_EXPORT KisTiledVLineIterator : public KisTiledIterator +{ + +public: + /// do not call constructor directly use factory method in KisDataManager instead. + KisTiledVLineIterator( KisTiledDataManager *dm, Q_INT32 x, Q_INT32 y, Q_INT32 h, bool writable); + KisTiledVLineIterator(const KisTiledVLineIterator&); + KisTiledVLineIterator& operator=(const KisTiledVLineIterator&); + ~KisTiledVLineIterator(); + +public: + /// Advances one pixel. Going to the beginning of the next line when it reaches the end of a line + KisTiledVLineIterator & operator++(); + + /// Goes back one pixel. Going to the end of the line above when it reaches the beginning of a line + //KisTiledVLineIterator & operator--(); + + /// returns true when the iterator has reached the end + bool isDone() const { return m_y > m_bottom; } + + /// increment to the next column and rewind to the begining + void nextCol(); + +protected: + Q_INT32 m_top; + Q_INT32 m_bottom; + Q_INT32 m_topRow; + Q_INT32 m_bottomRow; + Q_INT32 m_xInTile; + Q_INT32 m_yInTile; + Q_INT32 m_topInTile; + Q_INT32 m_bottomInTile; + +private: + void nextTile(); +}; + +#endif // KIS_TILED_ITERATOR_H_ |