rect.h revision d68a2e45260f864503d7bd6da93fd29589afd89e
1/*
2* Copyright (c) 2015, 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  bool IsValid(const LayerRect &rect);
41  bool IsCongruent(const LayerRect &rect1, const LayerRect &rect2);
42  void Log(DebugTag debug_tag, const char *prefix, const LayerRect &roi);
43  void Normalize(const uint32_t &align_x, const uint32_t &align_y, LayerRect *rect);
44  LayerRect Union(const LayerRect &rect1, const LayerRect &rect2);
45  LayerRect Intersection(const LayerRect &rect1, const LayerRect &rect2);
46  LayerRect Subtract(const LayerRect &rect1, const LayerRect &rect2);
47  LayerRect Reposition(const LayerRect &rect1, const int &x_offset, const int &y_offset);
48  void SplitLeftRight(const LayerRect &in_rect, uint32_t split_count, uint32_t align_x,
49                      bool flip_horizontal, LayerRect *out_rects);
50  void SplitTopBottom(const LayerRect &in_rect, uint32_t split_count, uint32_t align_y,
51                      bool flip_horizontal, LayerRect *out_rects);
52}  // namespace sdm
53
54#endif  // __RECT_H__
55
56