136 lines
4.4 KiB
Kotlin
136 lines
4.4 KiB
Kotlin
package com.xscm.moduleutil.widget
|
|
|
|
|
|
import android.content.Context
|
|
import android.graphics.Canvas
|
|
import android.graphics.Color
|
|
import android.graphics.LinearGradient
|
|
import android.graphics.Matrix
|
|
import android.graphics.Shader
|
|
import android.util.AttributeSet
|
|
import androidx.appcompat.widget.AppCompatTextView
|
|
import com.xscm.moduleutil.R
|
|
|
|
|
|
/**
|
|
*
|
|
* 流光字体
|
|
* @author TXZ
|
|
* @version 1.0
|
|
* created by 2024/5/23 9:32
|
|
*/
|
|
class ShineTextView : AppCompatTextView {
|
|
|
|
//是否开启流光，默认开启
|
|
var isShine = true
|
|
|
|
//默认是流光效果 0 流光 1 注入效果
|
|
var shineType = 0
|
|
//流光效果下字体流动次数
|
|
var shineCount: Int = Int.MAX_VALUE
|
|
//注入效果 开始，中间，结束
|
|
var startColor: Int = Color.BLACK
|
|
var shineColor: Int = Color.BLACK
|
|
var endColor: Int = Color.BLACK
|
|
//一次动效时长
|
|
var shineDuration: Int = 1000
|
|
|
|
var _count: Int = 0 //自行运行动画次数
|
|
|
|
private lateinit var mLinearGradient: LinearGradient
|
|
private var mGradientMatrix: Matrix = Matrix()
|
|
private var mViewWidth = 0
|
|
private var mTranslate = 0
|
|
|
|
constructor(context: Context) : this(context, null)
|
|
constructor(context: Context, attrs: AttributeSet?) : this(context, attrs, 0)
|
|
constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : super(
|
|
context, attrs, defStyleAttr
|
|
) {
|
|
obtainAttributes(attrs!!)
|
|
}
|
|
|
|
|
|
private fun obtainAttributes(attrs: AttributeSet) {
|
|
val typedArray = context.obtainStyledAttributes(attrs, R.styleable.ShineTextView)
|
|
typedArray.apply {
|
|
isShine = typedArray.getBoolean(R.styleable.ShineTextView_isShine, isShine)
|
|
shineType = typedArray.getInt(R.styleable.ShineTextView_shineType, shineType)
|
|
startColor = typedArray.getColor(R.styleable.ShineTextView_startColor, startColor)
|
|
shineColor = typedArray.getColor(R.styleable.ShineTextView_midColor, shineColor)
|
|
endColor = typedArray.getColor(R.styleable.ShineTextView_endColor, endColor)
|
|
shineCount = typedArray.getInt(R.styleable.ShineTextView_shineCount, shineCount)
|
|
shineDuration =
|
|
typedArray.getInt(R.styleable.ShineTextView_shineDuration, shineDuration)
|
|
}
|
|
typedArray.recycle()
|
|
}
|
|
|
|
|
|
override fun onSizeChanged(w: Int, h: Int, oldw: Int, oldh: Int) {
|
|
super.onSizeChanged(w, h, oldw, oldh)
|
|
if (isShine) {
|
|
mViewWidth = measuredWidth
|
|
when (shineType) {
|
|
0 -> {
|
|
//流光效果
|
|
mLinearGradient = LinearGradient(
|
|
0f,
|
|
0f,
|
|
(mViewWidth / 1).toFloat(),
|
|
0f,
|
|
intArrayOf(currentTextColor, shineColor, currentTextColor),
|
|
null,
|
|
Shader.TileMode.CLAMP
|
|
)
|
|
}
|
|
|
|
1 -> {
|
|
mLinearGradient = LinearGradient(
|
|
0f,
|
|
0f,
|
|
(mViewWidth / 6).toFloat(),
|
|
0f,
|
|
intArrayOf(endColor, shineColor, startColor),
|
|
null,
|
|
Shader.TileMode.CLAMP
|
|
)
|
|
}
|
|
}
|
|
paint.shader = mLinearGradient
|
|
}else {
|
|
mLinearGradient = LinearGradient(
|
|
0f,
|
|
0f,
|
|
0f,
|
|
0f,
|
|
intArrayOf(Color.BLACK,Color.BLACK),
|
|
null,
|
|
Shader.TileMode.CLAMP
|
|
)
|
|
}
|
|
}
|
|
|
|
|
|
override fun onDraw(canvas: Canvas) {
|
|
super.onDraw(canvas)
|
|
if (!isShine) return
|
|
mTranslate += mViewWidth / (shineDuration / 50)
|
|
if (mTranslate > 1.2 * mViewWidth) {
|
|
mTranslate = -mViewWidth / 5
|
|
_count++
|
|
}
|
|
mGradientMatrix.setTranslate(mTranslate.toFloat(), 0f)
|
|
mLinearGradient.setLocalMatrix(mGradientMatrix)
|
|
when {
|
|
shineType == 0 && _count < shineCount -> postInvalidateDelayed(50)
|
|
shineType == 1 && _count < 1 -> postInvalidateDelayed(50)
|
|
else -> {
|
|
mGradientMatrix.setTranslate((1.2 * mViewWidth).toFloat(), 0f)
|
|
mLinearGradient.setLocalMatrix(mGradientMatrix)
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|