1 /*
2 * Copyright (c) 2015-2018, 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 
38 namespace 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 LogI(DebugTag debug_tag, const char *prefix, const LayerRect &roi);
49   void Log(DebugTag debug_tag, const char *prefix, const LayerRect &roi);
50   void Normalize(const uint32_t &align_x, const uint32_t &align_y, LayerRect *rect);
51   LayerRect Union(const LayerRect &rect1, const LayerRect &rect2);
52   LayerRect Intersection(const LayerRect &rect1, const LayerRect &rect2);
53   LayerRect Subtract(const LayerRect &rect1, const LayerRect &rect2);
54   void Subtract(const LayerRect &rect1, const LayerRect &rect2, LayerRect *res);
55   bool Contains(const LayerRect &rect1, const LayerRect &rect2);
56   LayerRect Reposition(const LayerRect &rect1, const int &x_offset, const int &y_offset);
57   void SplitLeftRight(const LayerRect &in_rect, uint32_t split_count, uint32_t align_x,
58                       bool flip_horizontal, LayerRect *out_rects);
59   void SplitTopBottom(const LayerRect &in_rect, uint32_t split_count, uint32_t align_y,
60                       bool flip_horizontal, LayerRect *out_rects);
61   void MapRect(const LayerRect &src_domain, const LayerRect &dst_domain, const LayerRect &in_rect,
62                LayerRect *out_rect);
63   void TransformHV(const LayerRect &src_domain, const LayerRect &in_rect,
64                    const LayerTransform &transform, LayerRect *out_rect);
65   RectOrientation GetOrientation(const LayerRect &in_rect);
66   DisplayError GetCropAndDestination(const LayerRect &crop, const LayerRect &dst,
67                                      bool rotate90, float *crop_width, float *crop_height,
68                                      float *dst_width, float *dst_height);
69   DisplayError GetScaleFactor(const LayerRect &crop, const LayerRect &dst, bool rotate90,
70                               float *scale_x, float *scale_y);
71 }  // namespace sdm
72 
73 #endif  // __RECT_H__
74 
75