Naseer Ahmed | 29a2681 | 2012-06-14 00:56:20 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2011, Code Aurora Forum. All rights reserved. |
| 3 | |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are |
| 6 | * met: |
| 7 | * * Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * * Redistributions in binary form must reproduce the above |
| 10 | * copyright notice, this list of conditions and the following |
| 11 | * disclaimer in the documentation and/or other materials provided |
| 12 | * with the distribution. |
| 13 | * * Neither the name of Code Aurora Forum, Inc. nor the names of its |
| 14 | * contributors may be used to endorse or promote products derived |
| 15 | * from this software without specific prior written permission. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| 18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| 21 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 22 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 23 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 24 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 25 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| 26 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| 27 | * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 | */ |
| 29 | |
| 30 | #include <copybit.h> |
| 31 | struct copybit_iterator : public copybit_region_t { |
| 32 | copybit_iterator(const copybit_rect_t& rect) { |
| 33 | mRect = rect; |
| 34 | mCount = 1; |
| 35 | this->next = iterate; |
| 36 | } |
| 37 | private: |
| 38 | static int iterate(copybit_region_t const * self, copybit_rect_t* rect) { |
| 39 | if (!self || !rect) { |
| 40 | return 0; |
| 41 | } |
| 42 | |
| 43 | copybit_iterator const* me = static_cast<copybit_iterator const*>(self); |
| 44 | if (me->mCount) { |
| 45 | rect->l = me->mRect.l; |
| 46 | rect->t = me->mRect.t; |
| 47 | rect->r = me->mRect.r; |
| 48 | rect->b = me->mRect.b; |
| 49 | me->mCount--; |
| 50 | return 1; |
| 51 | } |
| 52 | return 0; |
| 53 | } |
| 54 | copybit_rect_t mRect; |
| 55 | mutable int mCount; |
| 56 | }; |