rect.h revision acef02b3f216de230e09c8a9779215d70b313654
1/* 2* Copyright (c) 2015-2016, The Linux Foundation. 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 The Linux Foundation 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#ifndef __RECT_H__ 31#define __RECT_H__ 32 33#include <stdint.h> 34#include <core/sdm_types.h> 35#include <core/layer_stack.h> 36#include <utils/debug.h> 37 38namespace sdm { 39 40 enum RectOrientation { 41 kOrientationPortrait, 42 kOrientationLandscape, 43 kOrientationUnknown, 44 }; 45 46 bool IsValid(const LayerRect &rect); 47 bool IsCongruent(const LayerRect &rect1, const LayerRect &rect2); 48 void Log(DebugTag debug_tag, const char *prefix, const LayerRect &roi); 49 void Normalize(const uint32_t &align_x, const uint32_t &align_y, LayerRect *rect); 50 LayerRect Union(const LayerRect &rect1, const LayerRect &rect2); 51 LayerRect Intersection(const LayerRect &rect1, const LayerRect &rect2); 52 LayerRect Subtract(const LayerRect &rect1, const LayerRect &rect2); 53 LayerRect Reposition(const LayerRect &rect1, const int &x_offset, const int &y_offset); 54 void SplitLeftRight(const LayerRect &in_rect, uint32_t split_count, uint32_t align_x, 55 bool flip_horizontal, LayerRect *out_rects); 56 void SplitTopBottom(const LayerRect &in_rect, uint32_t split_count, uint32_t align_y, 57 bool flip_horizontal, LayerRect *out_rects); 58 void ScaleRect(const LayerRect &src_domain, const LayerRect &dst_domain, const LayerRect &in_rect, 59 LayerRect *out_rect); 60 RectOrientation GetOrientation(const LayerRect &in_rect); 61} // namespace sdm 62 63#endif // __RECT_H__ 64 65