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@@ -0,0 +1,125 @@
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+package com.ethan.psbc.ui.widget
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+
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+import android.content.Context
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+import android.graphics.Canvas
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+import android.graphics.Color
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+import android.graphics.Paint
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+import android.graphics.RectF
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+import android.os.Handler
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+import android.util.AttributeSet
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+import android.util.TypedValue
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+import android.view.View
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+import androidx.constraintlayout.widget.ConstraintLayout
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+import com.qmuiteam.qmui.util.QMUIDisplayHelper.getDisplayMetrics
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+
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+
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+class CameraFocusView(context: Context?,attrs: AttributeSet?) : View(context,attrs) {
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+
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+ private var focusSize = 0 //焦点框的大小
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+ private var focusColor = 0 //焦点框的颜色
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+ private var focusTime = 0 //焦点框显示的时长
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+ private var focusStrokeSize = 0 //焦点框线条的尺寸
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+ private var cornerSize = 0 //焦点框圆角尺寸
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+ private var handler: Handler? = null
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+ private var runnable: Runnable? = null
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+ private var mPaint: Paint? = null
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+ private var rect: RectF? = null
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+
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+
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+
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+ init {
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+ if (context != null) {
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+ init(context)
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+ }
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+}
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+
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+
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+
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+
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+
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+
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+ private fun init(context: Context) {
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+ handler = Handler()
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+ mPaint = Paint(Paint.ANTI_ALIAS_FLAG)
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+ rect = RectF()
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+ runnable = Runnable {
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+ hideFocusView()
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+ }
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+ }
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+
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+ fun setParam(
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+ focusViewSize: Int, focusViewColor: Int, focusViewTime: Int,
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+ focusViewStrokeSize: Int, cornerViewSize: Int
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+ ) {
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+ if (focusViewSize == -1) {
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+ this.focusSize = dp2px(context, 60F)
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+ } else {
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+ this.focusSize = focusViewSize
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+ }
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+
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+ if (focusViewColor == -1) {
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+ this.focusColor = Color.GREEN
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+ } else {
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+ this.focusColor = focusViewColor
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+ }
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+ this.focusTime = focusViewTime
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+
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+ if (focusViewStrokeSize == -1) {
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+ this.focusStrokeSize = dp2px(context, 2F)
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+ } else {
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+ this.focusStrokeSize = focusViewStrokeSize
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+ }
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+
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+ if (cornerViewSize == -1) {
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+ this.cornerSize = focusSize / 5
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+ } else {
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+ this.cornerSize = cornerViewSize
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+ }
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+
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+ mPaint!!.style = Paint.Style.STROKE
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+ mPaint!!.strokeWidth = focusStrokeSize.toFloat()
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+ mPaint!!.color = focusColor
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+ rect!!.top = 0f
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+ rect!!.left = rect!!.top
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+ rect!!.bottom = focusSize.toFloat()
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+ rect!!.right = rect!!.bottom
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+ }
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+
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+ fun showFocusView(x: Int, y: Int) {
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+ visibility = VISIBLE
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+ val layoutParams = layoutParams as ConstraintLayout.LayoutParams
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+ layoutParams.leftMargin = x - focusSize / 2
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+ layoutParams.topMargin = y - focusSize / 2
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+ setLayoutParams(layoutParams)
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+ invalidate()
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+ runnable?.let { handler?.postDelayed(it, (focusTime * 1000).toLong()) }
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+ }
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+
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+ fun hideFocusView() {
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+ visibility = GONE
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+ runnable?.let { handler?.removeCallbacks(it) }
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+ }
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+
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+ override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
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+ setMeasuredDimension(focusSize, focusSize)
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+ }
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+
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+ override fun onDraw(canvas: Canvas) {
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+ super.onDraw(canvas)
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+ canvas.drawRoundRect(rect!!, cornerSize.toFloat(), cornerSize.toFloat(), mPaint!!)
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+ }
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+
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+ override fun onDetachedFromWindow() {
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+ runnable?.let { handler?.removeCallbacks(it) }
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+ super.onDetachedFromWindow()
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+ }
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+
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+
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+
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+ fun dp2px(mContext:Context, dipValue:Float) : Int {
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+ return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dipValue, getDisplayMetrics(mContext)).toInt()
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+ }
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+
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+
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+
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+}
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