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56 lines
2.3 KiB
56 lines
2.3 KiB
/* |
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* Copyright (c) 2011, The Linux Foundation. All rights reserved. |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials provided |
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* with the distribution. |
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* * Neither the name of The Linux Foundation nor the names of its |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include <copybit.h> |
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struct copybit_iterator : public copybit_region_t { |
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copybit_iterator(const copybit_rect_t& rect) { |
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mRect = rect; |
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mCount = 1; |
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this->next = iterate; |
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} |
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private: |
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static int iterate(copybit_region_t const * self, copybit_rect_t* rect) { |
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if (!self || !rect) { |
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return 0; |
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} |
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copybit_iterator const* me = static_cast<copybit_iterator const*>(self); |
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if (me->mCount) { |
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rect->l = me->mRect.l; |
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rect->t = me->mRect.t; |
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rect->r = me->mRect.r; |
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rect->b = me->mRect.b; |
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me->mCount--; |
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return 1; |
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} |
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return 0; |
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} |
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copybit_rect_t mRect; |
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mutable int mCount; |
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};
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