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+package com.grkj.iscs.view.widget
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+
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+import android.graphics.Bitmap
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+import android.graphics.Canvas
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+import android.graphics.Color
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+import android.graphics.Matrix
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+import android.graphics.Paint
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+import android.graphics.PointF
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+import android.os.SystemClock
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+import android.util.Pair
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+import android.view.MotionEvent
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+import androidx.core.content.ContextCompat
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+import com.grkj.iscs.MyApplication
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+import com.grkj.iscs.R
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+import com.grkj.iscs.modbus.ModBusController
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+import com.grkj.iscs.util.BitmapUtil
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+import com.onlylemi.mapview.library.MapView
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+import com.onlylemi.mapview.library.layer.MapBaseLayer
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+import kotlin.math.cos
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+import kotlin.math.sin
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+
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+class CustomSwitchStationLayer @JvmOverloads constructor(
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+ mapView: MapView?, private var pointList: List<IsolationPoint> = mutableListOf()
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+) : MapBaseLayer(mapView) {
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+ // 呼吸灯周期（毫秒）
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+ private val breathePeriod = 1200f
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+ private val FRAME_INTERVAL = 32L // 约 30fps
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+ private var alpha = 255
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+ private val refreshRunnable = Runnable {
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+ // 2. uptimeMillis 保证单调递增
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+ val now = SystemClock.uptimeMillis()
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+ // 3. 先在 Long 上做模，再转 Float 计算 phase
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+ val phase = ((now % breathePeriod).toFloat()) / breathePeriod
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+ val normalized = ((sin(phase * 2 * Math.PI) + 1) / 2).toFloat()
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+ alpha = (normalized * (255 - 50) + 50).toInt()
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+ mapView?.refresh()
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+ mapView?.post {
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+ startAnimation()
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+ }
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+ }
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+
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+ private var listener: MarkIsClickListener? = null
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+ private var radiusMark = 0f
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+ private var isClickMark: Boolean = false
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+ private var num: Int = -1
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+ private lateinit var paint: Paint
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+ private var btnIndex: Int = -1
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+ private var currentZoom = 0f
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+ private var currentDegree = 0f
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+ private var bgBitmap: Bitmap? = null
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+ private var coverBitmap: Bitmap? = null
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+ private var ratio: Float = 1f
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+ private var switchSize: Float = 1f
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+
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+ init {
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+ initLayer()
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+ }
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+
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+ private fun initLayer() {
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+ radiusMark = setValue(6.0f)
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+ paint = Paint()
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+ paint.isAntiAlias = true
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+ paint.style = Paint.Style.FILL_AND_STROKE
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+ }
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+
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+ fun setRatio(ratio: Float) {
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+ this.ratio = ratio
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+ bgBitmap = BitmapUtil.getResizedBitmapFromDrawable(
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+ mapView.context,
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+ R.drawable.red_stroke_bg,
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+ (50 * ratio).toInt(),
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+ (78 * ratio).toInt()
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+ )!!
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+ coverBitmap = BitmapUtil.getResizedBitmapFromDrawable(
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+ mapView.context,
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+ R.drawable.map_item_cover_bg,
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+ (50 * ratio).toInt(),
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+ (78 * ratio).toInt()
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+ )!!
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+ switchSize = setValue(4 * ratio)
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+ }
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+
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+ fun startAnimation() {
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+ // 先干掉前一次没执行的
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+ mapView.removeCallbacks(refreshRunnable)
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+ // 延后 16ms 再刷新，自动合并一堆连续的调用
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+ mapView.postDelayed(refreshRunnable, FRAME_INTERVAL)
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+ }
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+
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+ fun stopAnimation() {
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+ // 先干掉前一次没执行的
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+ mapView.removeCallbacks(refreshRunnable)
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+ }
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+
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+ override fun onTouch(event: MotionEvent) {
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+
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+ }
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+
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+ override fun draw(
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+ canvas: Canvas, currentMatrix: Matrix, currentZoom: Float, currentRotateDegrees: Float
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+ ) {
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+ this.currentZoom = currentZoom
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+ currentDegree = 360 - currentRotateDegrees
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+
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+ if (!isVisible) return
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+
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+ canvas.save()
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+ // 把 mapView 本身的缩放/平移/旋转一次性 concat 到 Canvas
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+ canvas.concat(currentMatrix)
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+ val switchData = ModBusController.getSwitchData()
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+ pointList.forEach { point ->
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+ val switchStatus = switchData
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+ .find { it.idx == point.pointSerialNumber?.toInt() }?.enabled
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+ // point.pos.x/y 已经是「图内像素坐标」
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+ val x = point.pos.x
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+ val y = point.pos.y
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+ // 先画背景（它会被 currentMatrix 自动缩放）
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+ bgBitmap?.let {
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+ canvas.drawBitmap(
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+ it, x, y, paint
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+ )
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+ paint.alpha = 255
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+ if (switchStatus != null) {
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+ // 再画 icon
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+ if (switchStatus) {
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+ paint.color = ContextCompat.getColor(
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+ MyApplication.instance?.applicationContext!!,
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+ R.color.common_switch_enable
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+ )
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+ paint.alpha = alpha
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+ canvas.drawCircle(
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+ x + (it.width - switchSize) / 2 + switchSize / 2,
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+ y + (it.width - switchSize) / 2 + switchSize / 2,
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+ switchSize, paint
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+ )
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+ paint.alpha = 255
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+ } else {
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+ paint.color = ContextCompat.getColor(
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+ MyApplication.instance?.applicationContext!!,
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+ R.color.common_switch_disable
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+ )
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+ canvas.drawCircle(
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+ x + (it.width - switchSize) / 2 + switchSize / 2,
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+ y + (it.width - switchSize) / 2 + switchSize / 2,
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+ switchSize, paint
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+ )
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+ }
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+// point.icon?.let { icon ->
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+// canvas.drawBitmap(
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+// icon,
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+// x + (it.width - icon.width) / 2,
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+// y + (it.width - icon.width) / 2,
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+// paint
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+// )
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+// }
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+ }
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+ // 然后画文字
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+ paint.style = Paint.Style.FILL
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+ paint.strokeWidth = 1f
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+ paint.color = Color.RED
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+ paint.textSize = radiusMark * ratio // 这里是「图内」的文字大小，后面会跟着缩放
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+ val textW = paint.measureText(point.entityName)
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+ canvas.drawText(
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+ point.entityName,
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+ x + (it.width - textW) / 2,
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+ y + (it.height - radiusMark / 2 - it.height / 10),
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+ paint
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+ )
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+
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+ // 如果选中，再叠加一个标记
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+ if (point.isSelected) {
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+ coverBitmap?.let {
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+ canvas.drawBitmap(
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+ it, x, y, paint
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+ )
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+ }
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+ val checkW = paint.measureText("√")
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+ paint.color = Color.WHITE
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+ canvas.drawText(
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+ "√",
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+ x + (it.width - checkW) / 2,
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+ y + (it.height / 2 + radiusMark / 2),
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+ paint
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+ )
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+ }
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+ }
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+ }
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+
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+ canvas.restore()
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+ }
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+
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+ private fun rotatePoint(
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+ oriX: Float, oriY: Float, desX: Float, desY: Float, rotateDegrees: Float
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+ ): Pair<Float, Float> {
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+ // 将度数转换为弧度
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+ val theta = Math.toRadians(rotateDegrees.toDouble())
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+
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+ // 计算旋转后的坐标
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+ val newX = (oriX - desX) * cos(theta) - (oriY - desY) * sin(theta) + desX
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+ val newY = (oriX - desX) * sin(theta) + ((oriY - desY) * cos(theta)) + desY
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+
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+ return Pair(newX.toFloat(), newY.toFloat())
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+ }
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+
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+ fun setMarkIsClickListener(listener: MarkIsClickListener?) {
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+ this.listener = listener
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+ }
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+
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+ interface MarkIsClickListener {
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+ fun markIsClick(index: Int, btnIndex: Int)
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+ }
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+
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+ data class IsolationPoint(
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+ val pos: PointF,
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+ val entityName: String,
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+ val icon: Bitmap?,
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+ val entityId: Long,
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+ val pointSerialNumber: String?,
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+ val isSelected: Boolean,
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+ )
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+}
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