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      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 
     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 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