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92 lines
3.0 KiB
92 lines
3.0 KiB
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.devcamera;
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import android.graphics.PointF;
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import android.graphics.RectF;
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import android.hardware.camera2.params.Face;
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/**
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*
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* Face coordinates. Normalized 0 to 1, and in native sensor orientation, which so far seems to be
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* landscape.
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*
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*/
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public class NormalizedFace {
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public RectF bounds;
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public PointF leftEye;
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public PointF rightEye;
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public PointF mouth;
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public NormalizedFace(Face face, int dX, int dY, int offX, int offY) {
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if (face.getLeftEyePosition() != null) {
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leftEye = new PointF();
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leftEye.x = (float) (face.getLeftEyePosition().x - offX) / dX;
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leftEye.y = (float) (face.getLeftEyePosition().y - offY) / dY;
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}
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if (face.getRightEyePosition() != null) {
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rightEye = new PointF();
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rightEye.x = (float) (face.getRightEyePosition().x - offX) / dX;
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rightEye.y = (float) (face.getRightEyePosition().y - offY) / dY;
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}
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if (face.getMouthPosition() != null) {
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mouth = new PointF();
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mouth.x = (float) (face.getMouthPosition().x - offX) / dX;
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mouth.y = (float) (face.getMouthPosition().y - offY) / dY;
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}
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if (face.getBounds() != null) {
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bounds = new RectF();
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bounds.left = (float) (face.getBounds().left - offX) / dX;
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bounds.top = (float) (face.getBounds().top - offY) / dY;
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bounds.right = (float) (face.getBounds().right - offX) / dX;
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bounds.bottom = (float) (face.getBounds().bottom - offY) / dY;
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}
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}
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public void mirrorInX() {
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if (leftEye != null) {
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leftEye.x = 1f - leftEye.x;
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}
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if (rightEye != null) {
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rightEye.x = 1f - rightEye.x;
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}
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if (mouth != null) {
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mouth.x = 1f - mouth.x;
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}
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float oldLeft = bounds.left;
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bounds.left = 1f - bounds.right;
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bounds.right = 1f - oldLeft;
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}
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/**
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* Typically required for front camera
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*/
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public void mirrorInY() {
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if (leftEye != null) {
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leftEye.y = 1f - leftEye.y;
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}
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if (rightEye != null) {
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rightEye.y = 1f - rightEye.y;
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}
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if (mouth != null) {
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mouth.y = 1f - mouth.y;
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}
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float oldTop = bounds.top;
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bounds.top = 1f - bounds.bottom;
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bounds.bottom = 1f - oldTop;
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}
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}
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