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author | tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2011-06-26 00:41:16 +0000 |
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committer | tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2011-06-26 00:41:16 +0000 |
commit | 698569f8428ca088f764d704034a1330517b98c0 (patch) | |
tree | bf45be6946ebbbee9cce5a5bcf838f4c952d87e6 /chalk/core/kis_iterator.h | |
parent | 2785103a6bd4de55bd26d79e34d0fdd4b329a73a (diff) | |
download | koffice-698569f8428ca088f764d704034a1330517b98c0.tar.gz koffice-698569f8428ca088f764d704034a1330517b98c0.zip |
Finish rebranding of Krita as Chalk
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/koffice@1238363 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'chalk/core/kis_iterator.h')
-rw-r--r-- | chalk/core/kis_iterator.h | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/chalk/core/kis_iterator.h b/chalk/core/kis_iterator.h new file mode 100644 index 00000000..893461a5 --- /dev/null +++ b/chalk/core/kis_iterator.h @@ -0,0 +1,173 @@ +/* This file is part of the KDE project + * Copyright (c) 2004 Casper Boemann <[email protected]> + * + * 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_ITERATOR_H_ +#define KIS_ITERATOR_H_ + +#include <tqglobal.h> +#include <ksharedptr.h> + +class KisTiledRectIterator; +typedef KSharedPtr<KisTiledRectIterator> KisTiledRectIteratorSP; + +class KisTiledVLineIterator; +typedef KSharedPtr<KisTiledVLineIterator> KisTiledVLineIteratorSP; + +class KisTiledHLineIterator; +typedef KSharedPtr<KisTiledHLineIterator> KisTiledHLineIteratorSP; + +class KisDataManager; + +/** + * The KisRectIterator iterators over a rectangular area in the most efficient order. That is, + * there is no guarantee that the iterator will work scanline by scanline. + */ +class KisRectIterator +{ + + +public: + KisRectIterator ( KisDataManager *dm, TQ_INT32 x, TQ_INT32 y, TQ_INT32 w, TQ_INT32 h, bool writable); + +public: + virtual ~KisRectIterator(); + KisRectIterator(const KisRectIterator& rhs); + KisRectIterator& operator=(const KisRectIterator& rhs); + + +public: + /// returns a pointer to the pixel data. Do NOT interpret the data - leave that to a colorstrategy + TQ_UINT8 * rawData() const; + + /// Returns a pointer to the pixel data as it was at the moment of the last memento creation. + const TQ_UINT8 * oldRawData() const; + + /// Returns the number of consequtive pixels that we point at + /// This is useful for optimizing + TQ_INT32 nConseqPixels() const; + + /// Advances a number of pixels until it reaches the end of the rect + KisRectIterator & operator+=(int n); + + /// Advances one pixel going to the beginning of the next line when it reaches the end of a line + KisRectIterator & operator++(); + + /// returns true when iterators has reached the end + bool isDone() const; + + // current x position + TQ_INT32 x() const; + + // current y position + TQ_INT32 y() const; + +private: + + KisTiledRectIteratorSP m_iter; +}; + +class KisHLineIterator +{ + +public: + + KisHLineIterator ( KisDataManager *dm, TQ_INT32 x, TQ_INT32 y, TQ_INT32 w, bool writable); + +public: + + virtual ~KisHLineIterator(); + KisHLineIterator(const KisHLineIterator& rhs); + KisHLineIterator& operator=(const KisHLineIterator& rhs); + +public: + /// Returns a pointer to the pixel data. Do NOT interpret the data - leave that to a colorstrategy + TQ_UINT8 *rawData() const; + + /// Returns a pointer to the pixel data as it was at the moment of the last memento creation. + const TQ_UINT8 *oldRawData() const; + + /// Advances one pixel until it reaches the end of the line + KisHLineIterator & operator++(); + + /// Returns the number of consequtive horizontal pixels that we point at + /// This is useful for optimizing + TQ_INT32 nConseqHPixels() const; + + /// Advances a number of pixels until it reaches the end of the line + KisHLineIterator & operator+=(int n); + + /// Goes back one pixel until it reaches the beginning of the line + KisHLineIterator & operator--(); + + /// returns true when iterators has reached the end + bool isDone() const; + + /// current x position + TQ_INT32 x() const; + + /// current y position + TQ_INT32 y() const; + + /// increment to the next row and rewind to the begining + void nextRow(); + + +private: + + KisTiledHLineIteratorSP m_iter; +}; + +class KisVLineIterator +{ + +public: + KisVLineIterator ( KisDataManager *dm, TQ_INT32 x, TQ_INT32 y, TQ_INT32 h, bool writable); +public: + ~KisVLineIterator(); + KisVLineIterator(const KisVLineIterator& rhs); + KisVLineIterator& operator=(const KisVLineIterator& rhs); + +public: + /// returns a pointer to the pixel data. Do NOT interpret the data - leave that to a colorstrategy + TQ_UINT8 *rawData() const; + + /// Returns a pointer to the pixel data as it was at the moment of the last memento creation. + const TQ_UINT8 * oldRawData() const; + + /// Advances one pixel until it reaches the end of the line + KisVLineIterator & operator++(); + + /// returns true when iterators has reached the end + bool isDone() const; + + /// current x position + TQ_INT32 x() const; + + /// current y position + TQ_INT32 y() const; + + /// increment to the next column and rewind to the begining + void nextCol(); + +private: + + KisTiledVLineIteratorSP m_iter; + +}; + +#endif |