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authortpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2011-06-26 00:41:16 +0000
committertpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2011-06-26 00:41:16 +0000
commit698569f8428ca088f764d704034a1330517b98c0 (patch)
treebf45be6946ebbbee9cce5a5bcf838f4c952d87e6 /chalk/core/kis_iterator.h
parent2785103a6bd4de55bd26d79e34d0fdd4b329a73a (diff)
downloadkoffice-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
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+/* 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