1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.devcamera; 17 18 import android.graphics.PointF; 19 import android.graphics.RectF; 20 import android.hardware.camera2.params.Face; 21 22 /** 23 * 24 * Face coordinates. Normalized 0 to 1, and in native sensor orientation, which so far seems to be 25 * landscape. 26 * 27 */ 28 public class NormalizedFace { 29 public RectF bounds; 30 public PointF leftEye; 31 public PointF rightEye; 32 public PointF mouth; 33 NormalizedFace(Face face, int dX, int dY, int offX, int offY)34 public NormalizedFace(Face face, int dX, int dY, int offX, int offY) { 35 if (face.getLeftEyePosition() != null) { 36 leftEye = new PointF(); 37 leftEye.x = (float) (face.getLeftEyePosition().x - offX) / dX; 38 leftEye.y = (float) (face.getLeftEyePosition().y - offY) / dY; 39 } 40 if (face.getRightEyePosition() != null) { 41 rightEye = new PointF(); 42 rightEye.x = (float) (face.getRightEyePosition().x - offX) / dX; 43 rightEye.y = (float) (face.getRightEyePosition().y - offY) / dY; 44 } 45 if (face.getMouthPosition() != null) { 46 mouth = new PointF(); 47 mouth.x = (float) (face.getMouthPosition().x - offX) / dX; 48 mouth.y = (float) (face.getMouthPosition().y - offY) / dY; 49 } 50 if (face.getBounds() != null) { 51 bounds = new RectF(); 52 bounds.left = (float) (face.getBounds().left - offX) / dX; 53 bounds.top = (float) (face.getBounds().top - offY) / dY; 54 bounds.right = (float) (face.getBounds().right - offX) / dX; 55 bounds.bottom = (float) (face.getBounds().bottom - offY) / dY; 56 } 57 } 58 mirrorInX()59 public void mirrorInX() { 60 if (leftEye != null) { 61 leftEye.x = 1f - leftEye.x; 62 } 63 if (rightEye != null) { 64 rightEye.x = 1f - rightEye.x; 65 } 66 if (mouth != null) { 67 mouth.x = 1f - mouth.x; 68 } 69 float oldLeft = bounds.left; 70 bounds.left = 1f - bounds.right; 71 bounds.right = 1f - oldLeft; 72 } 73 74 /** 75 * Typically required for front camera 76 */ mirrorInY()77 public void mirrorInY() { 78 if (leftEye != null) { 79 leftEye.y = 1f - leftEye.y; 80 } 81 if (rightEye != null) { 82 rightEye.y = 1f - rightEye.y; 83 } 84 if (mouth != null) { 85 mouth.y = 1f - mouth.y; 86 } 87 float oldTop = bounds.top; 88 bounds.top = 1f - bounds.bottom; 89 bounds.bottom = 1f - oldTop; 90 } 91 } 92