/*
|
* Copyright (C) 2017 Baidu, Inc. All Rights Reserved.
|
*/
|
package com.example.datalibrary.gatecamera;
|
|
import android.content.Context;
|
import android.graphics.Canvas;
|
import android.graphics.Path;
|
import android.graphics.Region;
|
import android.os.Handler;
|
import android.os.Looper;
|
import android.util.AttributeSet;
|
import android.view.TextureView;
|
import android.widget.FrameLayout;
|
|
/**
|
* 基于 系统TextureView实现的预览View。
|
*
|
* @Time: 2019/1/28
|
* @Author: v_chaixiaogang
|
*/
|
public class AutoTexturePreviewView extends FrameLayout {
|
|
public TextureView textureView;
|
|
private int videoWidth = 0;
|
private int videoHeight = 0;
|
|
|
public static int previewWidth = 0;
|
private int previewHeight = 0;
|
private static int scale = 2;
|
|
public static float circleRadius;
|
public static float circleX;
|
public static float circleY;
|
public boolean isDraw = false;
|
private boolean mIsRegister; // 注册
|
|
private float[] pointXY = new float[3];
|
|
public AutoTexturePreviewView(Context context) {
|
super(context);
|
init();
|
}
|
|
public AutoTexturePreviewView(Context context, AttributeSet attrs) {
|
super(context, attrs);
|
init();
|
}
|
|
public AutoTexturePreviewView(Context context, AttributeSet attrs,
|
int defStyleAttr) {
|
super(context, attrs, defStyleAttr);
|
init();
|
}
|
|
|
private Handler handler = new Handler(Looper.getMainLooper());
|
|
private void init() {
|
setWillNotDraw(false);
|
textureView = new TextureView(getContext());
|
addView(textureView);
|
}
|
|
public void setIsRegister(boolean isRegister) {
|
mIsRegister = isRegister;
|
invalidate();
|
}
|
|
public boolean getIsRegister() {
|
return mIsRegister;
|
}
|
|
@Override
|
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
|
super.onLayout(changed, left, top, right, bottom);
|
|
previewWidth = getWidth();
|
previewHeight = getHeight();
|
|
if (videoWidth == 0 || videoHeight == 0 || previewWidth == 0 || previewHeight == 0) {
|
return;
|
}
|
|
if (previewWidth * videoHeight > previewHeight * videoWidth) {
|
int scaledChildHeight = videoHeight * previewWidth / videoWidth;
|
textureView.layout(0, (previewHeight - scaledChildHeight) / scale,
|
previewWidth, (previewHeight + scaledChildHeight) / scale);
|
} else {
|
int scaledChildWidth = videoWidth * previewHeight / videoHeight;
|
textureView.layout((previewWidth - scaledChildWidth) / scale, 0,
|
(previewWidth + scaledChildWidth) / scale, previewHeight);
|
|
}
|
|
|
}
|
|
public TextureView getTextureView() {
|
return textureView;
|
}
|
|
public int getPreviewWidth() {
|
return previewWidth;
|
}
|
|
public int getPreviewHeight() {
|
return previewHeight;
|
}
|
|
public void setPreviewSize(int width, int height) {
|
if (this.videoWidth == width && this.videoHeight == height) {
|
return;
|
}
|
this.videoWidth = width;
|
this.videoHeight = height;
|
handler.post(new Runnable() {
|
@Override
|
public void run() {
|
requestLayout();
|
}
|
});
|
|
}
|
|
|
@Override
|
protected void onDraw(Canvas canvas) {
|
if (isDraw) {
|
Path path = new Path();
|
// 设置裁剪的圆心坐标，半径
|
path.addCircle(getWidth() / 2, getHeight() / 2, getWidth() / 3, Path.Direction.CCW);
|
// 裁剪画布，并设置其填充方式
|
canvas.clipPath(path, Region.Op.REPLACE);
|
|
// 圆的半径
|
circleRadius = getWidth() / 3;
|
// 圆心的X坐标
|
circleX = (getRight() - getLeft()) / 2;
|
// 圆心的Y坐标
|
circleY = (getBottom() - getTop()) / 2;
|
}
|
|
if (mIsRegister) {
|
Path path = new Path();
|
// 设置裁剪的圆心坐标，半径
|
path.addCircle(getWidth() / 2, getHeight() / 2, getWidth() / 3, Path.Direction.CCW);
|
// 裁剪画布，并设置其填充方式
|
canvas.clipPath(path, Region.Op.REPLACE);
|
// 圆的半径
|
circleRadius = getWidth() / 3;
|
// 圆心的X坐标
|
circleX = (getRight() - getLeft()) / 2;
|
// 圆心的Y坐标
|
circleY = (getBottom() - getTop()) / 2;
|
}
|
super.onDraw(canvas);
|
}
|
}
|
