1d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin/* 2fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved. 3d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin* 4d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin* Redistribution and use in source and binary forms, with or without 5d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin* modification, are permitted provided that the following conditions are 6d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin* met: 7d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin* * Redistributions of source code must retain the above copyright 8d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin* notice, this list of conditions and the following disclaimer. 9d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin* * Redistributions in binary form must reproduce the above 10d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin* copyright notice, this list of conditions and the following 11d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin* disclaimer in the documentation and/or other materials provided 12d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin* with the distribution. 13d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin* * Neither the name of The Linux Foundation nor the names of its 14d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin* contributors may be used to endorse or promote products derived 15d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin* from this software without specific prior written permission. 16d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin* 17d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 18d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 20d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 21d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin*/ 29d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 30d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin#include <math.h> 31d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin#include <utils/rect.h> 32d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin#include <utils/constants.h> 33efa4d6ec10802ff9b4e2c6af85ad7f316a2e4779Naseer Ahmed#include <algorithm> 34d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 35d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin#define __CLASS__ "RectUtils" 36d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 37d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjinnamespace sdm { 38d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 39d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjinbool IsValid(const LayerRect &rect) { 40d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin return ((rect.bottom > rect.top) && (rect.right > rect.left)); 41d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin} 42d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 43d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjinbool IsCongruent(const LayerRect &rect1, const LayerRect &rect2) { 44d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin return ((rect1.left == rect2.left) && 45d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin (rect1.top == rect2.top) && 46d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin (rect1.right == rect2.right) && 47d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin (rect1.bottom == rect2.bottom)); 48d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin} 49d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 50d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjinvoid Log(DebugTag debug_tag, const char *prefix, const LayerRect &roi) { 51d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin DLOGV_IF(debug_tag, "%s: left = %.0f, top = %.0f, right = %.0f, bottom = %.0f", 52d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin prefix, roi.left, roi.top, roi.right, roi.bottom); 53d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin} 54d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 55d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjinvoid Normalize(const uint32_t &align_x, const uint32_t &align_y, LayerRect *rect) { 56d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin rect->left = ROUND_UP_ALIGN_UP(rect->left, align_x); 57d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin rect->right = ROUND_UP_ALIGN_DOWN(rect->right, align_x); 58d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin rect->top = ROUND_UP_ALIGN_UP(rect->top, align_y); 59d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin rect->bottom = ROUND_UP_ALIGN_DOWN(rect->bottom, align_y); 60d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin} 61d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 62d68a2e45260f864503d7bd6da93fd29589afd89ePatrick TjinLayerRect Intersection(const LayerRect &rect1, const LayerRect &rect2) { 63d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin LayerRect res; 64d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 65d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin if (!IsValid(rect1) || !IsValid(rect2)) { 66d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin return LayerRect(); 67d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin } 68d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 69efa4d6ec10802ff9b4e2c6af85ad7f316a2e4779Naseer Ahmed res.left = std::max(rect1.left, rect2.left); 70efa4d6ec10802ff9b4e2c6af85ad7f316a2e4779Naseer Ahmed res.top = std::max(rect1.top, rect2.top); 71efa4d6ec10802ff9b4e2c6af85ad7f316a2e4779Naseer Ahmed res.right = std::min(rect1.right, rect2.right); 72efa4d6ec10802ff9b4e2c6af85ad7f316a2e4779Naseer Ahmed res.bottom = std::min(rect1.bottom, rect2.bottom); 73d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 74d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin if (!IsValid(res)) { 75d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin return LayerRect(); 76d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin } 77d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 78d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin return res; 79d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin} 80d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 81d68a2e45260f864503d7bd6da93fd29589afd89ePatrick TjinLayerRect Reposition(const LayerRect &rect, const int &x_offset, const int &y_offset) { 82d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin LayerRect res; 83d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 84d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin if (!IsValid(rect)) { 85d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin return LayerRect(); 86d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin } 87d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 88d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin res.left = rect.left + FLOAT(x_offset); 89d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin res.top = rect.top + FLOAT(y_offset); 90d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin res.right = rect.right + FLOAT(x_offset); 91d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin res.bottom = rect.bottom + FLOAT(y_offset); 92d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 93d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin return res; 94d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin} 95d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 96d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin// Not a geometrical rect deduction. Deducts rect2 from rect1 only if it results a single rect 97d68a2e45260f864503d7bd6da93fd29589afd89ePatrick TjinLayerRect Subtract(const LayerRect &rect1, const LayerRect &rect2) { 98d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin LayerRect res; 99d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 100d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin res = rect1; 101d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 102d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin if ((rect1.left == rect2.left) && (rect1.right == rect2.right)) { 103d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin if ((rect1.top == rect2.top) && (rect2.bottom <= rect1.bottom)) { 104d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin res.top = rect2.bottom; 105d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin } else if ((rect1.bottom == rect2.bottom) && (rect2.top >= rect1.top)) { 106d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin res.bottom = rect2.top; 107d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin } 108d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin } else if ((rect1.top == rect2.top) && (rect1.bottom == rect2.bottom)) { 109d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin if ((rect1.left == rect2.left) && (rect2.right <= rect1.right)) { 110d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin res.left = rect2.right; 111d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin } else if ((rect1.right == rect2.right) && (rect2.left >= rect1.left)) { 112d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin res.right = rect2.left; 113d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin } 114d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin } 115d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 116d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin return res; 117d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin} 118d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 119d68a2e45260f864503d7bd6da93fd29589afd89ePatrick TjinLayerRect Union(const LayerRect &rect1, const LayerRect &rect2) { 120d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin LayerRect res; 121d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 122d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin if (!IsValid(rect1) && !IsValid(rect2)) { 123d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin return LayerRect(); 124d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin } 125d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 126d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin if (!IsValid(rect1)) { 127d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin return rect2; 128d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin } 129d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 130d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin if (!IsValid(rect2)) { 131d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin return rect1; 132d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin } 133d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 134efa4d6ec10802ff9b4e2c6af85ad7f316a2e4779Naseer Ahmed res.left = std::min(rect1.left, rect2.left); 135efa4d6ec10802ff9b4e2c6af85ad7f316a2e4779Naseer Ahmed res.top = std::min(rect1.top, rect2.top); 136efa4d6ec10802ff9b4e2c6af85ad7f316a2e4779Naseer Ahmed res.right = std::max(rect1.right, rect2.right); 137efa4d6ec10802ff9b4e2c6af85ad7f316a2e4779Naseer Ahmed res.bottom = std::max(rect1.bottom, rect2.bottom); 138d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 139d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin return res; 140d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin} 141d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 142d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjinvoid SplitLeftRight(const LayerRect &in_rect, uint32_t split_count, uint32_t align_x, 143d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin bool flip_horizontal, LayerRect *out_rects) { 144d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin LayerRect rect_temp = in_rect; 145d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 146d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin uint32_t split_width = UINT32(rect_temp.right - rect_temp.left) / split_count; 147d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin float aligned_width = FLOAT(CeilToMultipleOf(split_width, align_x)); 148d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 149d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin for (uint32_t count = 0; count < split_count; count++) { 150d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin float aligned_right = rect_temp.left + aligned_width; 151d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin out_rects[count].left = rect_temp.left; 152efa4d6ec10802ff9b4e2c6af85ad7f316a2e4779Naseer Ahmed out_rects[count].right = std::min(rect_temp.right, aligned_right); 153d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin out_rects[count].top = rect_temp.top; 154d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin out_rects[count].bottom = rect_temp.bottom; 155d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 156d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin rect_temp.left = out_rects[count].right; 157d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 158d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin Log(kTagRotator, "SplitLeftRight", out_rects[count]); 159d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin } 160d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 161d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin // If we have a horizontal flip, then we should be splitting the source from right to left 162d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin // to ensure that the right split will have an aligned width that matches the alignment on the 163d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin // destination. 164d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin if (flip_horizontal && split_count > 1) { 165d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin out_rects[0].right = out_rects[0].left + (out_rects[1].right - out_rects[1].left); 166d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin out_rects[1].left = out_rects[0].right; 167d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin Log(kTagRotator, "Adjusted Left", out_rects[0]); 168d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin Log(kTagRotator, "Adjusted Right", out_rects[1]); 169d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin } 170d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin} 171d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 172d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjinvoid SplitTopBottom(const LayerRect &in_rect, uint32_t split_count, uint32_t align_y, 173d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin bool flip_horizontal, LayerRect *out_rects) { 174d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin LayerRect rect_temp = in_rect; 175d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 176d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin uint32_t split_height = UINT32(rect_temp.bottom - rect_temp.top) / split_count; 177d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin float aligned_height = FLOAT(CeilToMultipleOf(split_height, align_y)); 178d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 179d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin for (uint32_t count = 0; count < split_count; count++) { 180d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin float aligned_bottom = rect_temp.top + aligned_height; 181d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin out_rects[count].top = rect_temp.top; 182efa4d6ec10802ff9b4e2c6af85ad7f316a2e4779Naseer Ahmed out_rects[count].bottom = std::min(rect_temp.bottom, aligned_bottom); 183d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin out_rects[count].left = rect_temp.left; 184d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin out_rects[count].right = rect_temp.right; 185d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 186d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin rect_temp.top = out_rects[count].bottom; 187d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 188d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin Log(kTagRotator, "SplitTopBottom", out_rects[count]); 189d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin } 190d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 191d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin // If we have a horizontal flip, then we should be splitting the destination from bottom to top 192d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin // to ensure that the bottom split's y-offset is aligned correctly after we swap the destinations 193d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin // while accounting for the flip. 194d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin if (flip_horizontal && split_count > 1) { 195d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin out_rects[0].bottom = out_rects[0].top + (out_rects[1].bottom - out_rects[1].top); 196d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin out_rects[1].top = out_rects[0].bottom; 197d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin Log(kTagRotator, "Adjusted Top", out_rects[0]); 198d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin Log(kTagRotator, "Adjusted Bottom", out_rects[1]); 199d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin } 200d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin} 201d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 202fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetschvoid ScaleRect(const LayerRect &src_domain, const LayerRect &dst_domain, const LayerRect &in_rect, 203fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch LayerRect *out_rect) { 204fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch if (!IsValid(src_domain) || !IsValid(dst_domain) || !IsValid(in_rect)) { 205fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch return; 206fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch } 207fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch 208fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch float src_domain_width = src_domain.right - src_domain.left; 209fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch float src_domain_height = src_domain.bottom - src_domain.top; 210fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch float dst_domain_width = dst_domain.right - dst_domain.left; 211fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch float dst_domain_height = dst_domain.bottom - dst_domain.top; 212fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch 213fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch float width_ratio = dst_domain_width / src_domain_width; 214fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch float height_ratio = dst_domain_height / src_domain_height; 215fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch 216fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch out_rect->left = width_ratio * in_rect.left; 217fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch out_rect->top = height_ratio * in_rect.top; 218fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch out_rect->right = width_ratio * in_rect.right; 219fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch out_rect->bottom = height_ratio * in_rect.bottom; 220fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch} 221fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch 222fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve PfetschRectOrientation GetOrientation(const LayerRect &in_rect) { 223fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch if (!IsValid(in_rect)) { 224fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch return kOrientationUnknown; 225fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch } 226fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch 227fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch float input_width = in_rect.right - in_rect.left; 228fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch float input_height = in_rect.bottom - in_rect.top; 229fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch 230fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch if (input_width < input_height) { 231fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch return kOrientationPortrait; 232fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch } 233fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch 234fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch return kOrientationLandscape; 235fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch} 236fc811a3e18140740eaf6bb70a48e12f1f176e17bSteve Pfetsch 237d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin} // namespace sdm 238d68a2e45260f864503d7bd6da93fd29589afd89ePatrick Tjin 239