add TBlurView.

Tamsiree · Tamsiree · commit 8d74f34b7db8 · 2020-03-26T16:11:57.000+08:00
diff --git a/RxDemo/src/main/java/com/tamsiree/rxdemo/activity/ActivityTCardGallery.kt b/RxDemo/src/main/java/com/tamsiree/rxdemo/activity/ActivityTCardGallery.kt
@@ -1,12 +1,9 @@
 package com.tamsiree.rxdemo.activity
 
-import android.graphics.BitmapFactory
 import android.os.Bundle
 import androidx.recyclerview.widget.LinearLayoutManager
 import com.tamsiree.rxdemo.R
 import com.tamsiree.rxdemo.adapter.AdapterCardGallery
-import com.tamsiree.rxkit.RxAnimationTool
-import com.tamsiree.rxkit.TBlurTool
 import com.tamsiree.rxkit.interfaces.OnDoIntListener
 import com.tamsiree.rxkit.view.RxToast
 import com.tamsiree.rxui.activity.ActivityBase
@@ -53,13 +50,9 @@ class ActivityTCardGallery : ActivityBase() {
                 RxToast.normal("选中$intValue")
                 if (mLastPos == intValue) {
                     return
-                } else if (mLastPos > intValue) {
-//                            tIndicator.moveToLeft()
-                } else if (mLastPos < intValue) {
-//                            tIndicator.moveToRight()
                 }
                 mLastPos = intValue
-                notifyBackgroundChange()
+                blurView.notifyChange(mList[mLastPos])
             }
         })
     }
@@ -72,14 +65,4 @@ class ActivityTCardGallery : ActivityBase() {
         recyclerView.adapter?.notifyDataSetChanged()
     }
 
-    private fun notifyBackgroundChange() {
-        val resId = mList[mLastPos]
-        blurView?.removeCallbacks(mBlurRunnable)
-        mBlurRunnable = Runnable {
-            val bitmap = BitmapFactory.decodeResource(resources, resId)
-            RxAnimationTool.startSwitchBackgroundAnim(blurView, TBlurTool.getBlurBitmap(blurView?.context, bitmap, 15))
-        }
-        blurView?.postDelayed(mBlurRunnable, 300)
-    }
-
 }
diff --git a/RxDemo/src/main/res/layout/activity_tcard_grallery.xml b/RxDemo/src/main/res/layout/activity_tcard_grallery.xml
@@ -20,12 +20,13 @@
         android:orientation="vertical"
         tools:context=".activity.ActivityTCardGallery">
 
-        <ImageView
+        <com.tamsiree.rxui.view.TBlurView
             android:id="@+id/blurView"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
-            android:background="#3f000000"
-            android:scaleType="centerCrop" />
+            app:blurDelayTime="100"
+            app:blurRadius="15"
+            app:blurSrc="@drawable/bg_friend" />
 
         <com.tamsiree.rxui.view.tcardgralleryview.TCardGalleryView
             android:id="@+id/recyclerView"
@@ -53,11 +54,11 @@
                 android:layout_height="wrap_content"
                 android:visibility="visible"
                 app:dotColor="@color/colorPrimaryDark"
-                app:selectedDotColor="@color/colorPrimary"
-                tools:background="@color/colorPrimary" />
+                app:selectedDotColor="@color/colorPrimary" />
 
         </LinearLayout>
 
+
     </RelativeLayout>
 
 </LinearLayout>
diff --git a/RxKit/src/main/java/com/tamsiree/rxkit/RxAnimationTool.kt b/RxKit/src/main/java/com/tamsiree/rxkit/RxAnimationTool.kt
@@ -272,14 +272,14 @@ object RxAnimationTool {
             oldBitmapDrawable = ColorDrawable(-0x3d3d3e)
         }
         if (oldTransitionDrawable == null) {
-            oldTransitionDrawable = TransitionDrawable(arrayOf(oldBitmapDrawable, BitmapDrawable(bitmap)))
+            oldTransitionDrawable = TransitionDrawable(arrayOf(oldBitmapDrawable, BitmapDrawable(RxTool.getContext().resources, bitmap)))
             oldTransitionDrawable.setId(0, 0)
             oldTransitionDrawable.setId(1, 1)
             oldTransitionDrawable.isCrossFadeEnabled = true
             view.setImageDrawable(oldTransitionDrawable)
         } else {
             oldTransitionDrawable.setDrawableByLayerId(oldTransitionDrawable.getId(0), oldBitmapDrawable)
-            oldTransitionDrawable.setDrawableByLayerId(oldTransitionDrawable.getId(1), BitmapDrawable(bitmap))
+            oldTransitionDrawable.setDrawableByLayerId(oldTransitionDrawable.getId(1), BitmapDrawable(RxTool.getContext().resources, bitmap))
         }
         oldTransitionDrawable.startTransition(1000)
     }
diff --git a/RxKit/src/main/java/com/tamsiree/rxkit/TBlurTool.kt b/RxKit/src/main/java/com/tamsiree/rxkit/TBlurTool.kt
@@ -11,6 +11,9 @@ import android.renderscript.RenderScript.RSMessageHandler
 import android.renderscript.ScriptIntrinsicBlur
 import android.widget.ImageView
 import com.tamsiree.rxkit.RxImageTool.isEmptyBitmap
+import kotlin.math.abs
+import kotlin.math.max
+import kotlin.math.min
 
 /**
  * RenderScript图片高斯模糊
@@ -20,34 +23,33 @@ object TBlurTool {
     /**
      * 建议模糊度(在0.0到25.0之间)
      */
-    private const val BLUR_RADIUS = 20
+    private const val BLUR_RADIUS = 20f
     private const val SCALED_WIDTH = 100
     private const val SCALED_HEIGHT = 100
 
     @JvmOverloads
     @JvmStatic
-    fun blur(imageView: ImageView, bitmap: Bitmap?, radius: Int = BLUR_RADIUS) {
+    fun blur(imageView: ImageView, bitmap: Bitmap, radius: Float = BLUR_RADIUS) {
         imageView.setImageBitmap(getBlurBitmap(imageView.context, bitmap, radius))
     }
 
     @JvmStatic
-    fun getBlurBitmap(context: Context?, bitmap: Bitmap?): Bitmap {
+    fun getBlurBitmap(context: Context, bitmap: Bitmap): Bitmap {
         return getBlurBitmap(context, bitmap, BLUR_RADIUS)
     }
 
     /**
      * 得到模糊后的bitmap
-     * thanks http://wl9739.github.io/2016/07/14/教你一分钟实现模糊效果/
      *
      * @param context
      * @param bitmap
      * @param radius
      * @return
      */
     @JvmStatic
-    fun getBlurBitmap(context: Context?, bitmap: Bitmap?, radius: Int): Bitmap {
+    fun getBlurBitmap(context: Context, bitmap: Bitmap, radius: Float): Bitmap {
         // 将缩小后的图片做为预渲染的图片。
-        val inputBitmap = Bitmap.createScaledBitmap(bitmap!!, SCALED_WIDTH, SCALED_HEIGHT, false)
+        val inputBitmap = Bitmap.createScaledBitmap(bitmap, SCALED_WIDTH, SCALED_HEIGHT, false)
         // 创建一张渲染后的输出图片。
         val outputBitmap = Bitmap.createBitmap(inputBitmap)
 
@@ -62,7 +64,7 @@ object TBlurTool {
         val tmpOut = Allocation.createFromBitmap(rs, outputBitmap)
 
         // 设置渲染的模糊程度, 25f是最大模糊度
-        blurScript.setRadius(radius.toFloat())
+        blurScript.setRadius(radius)
         // 设置blurScript对象的输入内存
         blurScript.setInput(tmpIn)
         // 将输出数据保存到输出内存中
@@ -72,17 +74,7 @@ object TBlurTool {
         tmpOut.copyTo(outputBitmap)
         return outputBitmap
     }
-    /**
-     * 快速模糊
-     *
-     * 先缩小原图，对小图进行模糊，再放大回原先尺寸
-     *
-     * @param src     源图片
-     * @param scale   缩小倍数(0...1)
-     * @param radius  模糊半径
-     * @param recycle 是否回收
-     * @return 模糊后的图片
-     */
+
     /**
      * 快速模糊
      *
@@ -139,8 +131,8 @@ object TBlurTool {
      */
     @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
     @JvmStatic
-    fun renderScriptBlur(src: Bitmap?, radius: Float): Bitmap? {
-        var radius = radius
+    fun renderScriptBlur(src: Bitmap, radius: Float): Bitmap? {
+        var mRadius = radius
         if (isEmptyBitmap(src)) return null
         var rs: RenderScript? = null
         try {
@@ -149,13 +141,13 @@ object TBlurTool {
             val input = Allocation.createFromBitmap(rs, src, Allocation.MipmapControl.MIPMAP_NONE, Allocation.USAGE_SCRIPT)
             val output = Allocation.createTyped(rs, input.type)
             val blurScript = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs))
-            if (radius > 25) {
-                radius = 25.0f
-            } else if (radius <= 0) {
-                radius = 1.0f
+            if (mRadius > 25) {
+                mRadius = 25.0f
+            } else if (mRadius <= 0) {
+                mRadius = 1.0f
             }
             blurScript.setInput(input)
-            blurScript.setRadius(radius)
+            blurScript.setRadius(mRadius)
             blurScript.forEach(output)
             output.copyTo(src)
         } finally {
@@ -173,17 +165,16 @@ object TBlurTool {
      * @return stackBlur模糊图片
      */
     @JvmStatic
-    fun stackBlur(src: Bitmap?, radius: Int, recycle: Boolean): Bitmap? {
-        val ret: Bitmap?
-        ret = if (recycle) {
+    fun stackBlur(src: Bitmap, radius: Int, recycle: Boolean): Bitmap? {
+        val ret: Bitmap = if (recycle) {
             src
         } else {
-            src!!.copy(src.config, true)
+            src.copy(src.config, true)
         }
         if (radius < 1) {
             return null
         }
-        val w = ret!!.width
+        val w = ret.width
         val h = ret.height
         val pix = IntArray(w * h)
         ret.getPixels(pix, 0, w, 0, 0, w, h)
@@ -204,7 +195,7 @@ object TBlurTool {
         var yp: Int
         var yi: Int
         var yw: Int
-        val vmin = IntArray(Math.max(w, h))
+        val vmin = IntArray(max(w, h))
         var divsum = div + 1 shr 1
         divsum *= divsum
         val dv = IntArray(256 * divsum)
@@ -240,12 +231,12 @@ object TBlurTool {
             rinsum = ginsum
             i = -radius
             while (i <= radius) {
-                p = pix[yi + Math.min(wm, Math.max(i, 0))]
+                p = pix[yi + min(wm, max(i, 0))]
                 sir = stack[i + radius]
                 sir[0] = p and 0xff0000 shr 16
                 sir[1] = p and 0x00ff00 shr 8
                 sir[2] = p and 0x0000ff
-                rbs = r1 - Math.abs(i)
+                rbs = r1 - abs(i)
                 rsum += sir[0] * rbs
                 gsum += sir[1] * rbs
                 bsum += sir[2] * rbs
@@ -275,7 +266,7 @@ object TBlurTool {
                 goutsum -= sir[1]
                 boutsum -= sir[2]
                 if (y == 0) {
-                    vmin[x] = Math.min(x + radius + 1, wm)
+                    vmin[x] = min(x + radius + 1, wm)
                 }
                 p = pix[yw + vmin[x]]
                 sir[0] = p and 0xff0000 shr 16
@@ -315,12 +306,12 @@ object TBlurTool {
             yp = -radius * w
             i = -radius
             while (i <= radius) {
-                yi = Math.max(0, yp) + x
+                yi = max(0, yp) + x
                 sir = stack[i + radius]
                 sir[0] = r[yi]
                 sir[1] = g[yi]
                 sir[2] = b[yi]
-                rbs = r1 - Math.abs(i)
+                rbs = r1 - abs(i)
                 rsum += r[yi] * rbs
                 gsum += g[yi] * rbs
                 bsum += b[yi] * rbs
@@ -354,7 +345,7 @@ object TBlurTool {
                 goutsum -= sir[1]
                 boutsum -= sir[2]
                 if (x == 0) {
-                    vmin[y] = Math.min(y + r1, hm) * w
+                    vmin[y] = min(y + r1, hm) * w
                 }
                 p = x + vmin[y]
                 sir[0] = r[p]
diff --git a/RxUI/src/main/java/com/tamsiree/rxui/view/TBlurView.kt b/RxUI/src/main/java/com/tamsiree/rxui/view/TBlurView.kt
@@ -0,0 +1,94 @@
+package com.tamsiree.rxui.view
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
+import android.util.AttributeSet
+import android.widget.ImageView
+import androidx.annotation.IntRange
+import androidx.appcompat.widget.AppCompatImageView
+import com.tamsiree.rxkit.RxAnimationTool.startSwitchBackgroundAnim
+import com.tamsiree.rxkit.TBlurTool
+import com.tamsiree.rxkit.TBlurTool.getBlurBitmap
+import com.tamsiree.rxui.R
+
+/**
+ * @ClassName TBlurImageView
+ * @Description TODO
+ * @Author tamsiree
+ * @Date 20-3-26 下午2:32
+ * @Version 1.0
+ */
+class TBlurView : AppCompatImageView {
+    private lateinit var mImageView: ImageView
+    private var mBlurRunnable: Runnable? = null
+
+    /**
+     * 模糊度 (0...25f)
+     */
+    @SuppressLint("SupportAnnotationUsage")
+    @IntRange(from = 0, to = 25)
+    var blurRadius = 15f
+
+    //模糊View引用的资源ID
+    var blurSrc = 0
+
+    /**
+     * 单位是 ms 毫秒
+     */
+    var delayTime: Long = 200
+    private lateinit var mContext: Context
+
+    constructor(context: Context) : super(context) {
+        initView(context, null)
+    }
+
+    constructor(context: Context, attrs: AttributeSet?) : super(context, attrs) {
+        initView(context, attrs)
+    }
+
+    constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : super(context, attrs, defStyleAttr) {
+        initView(context, attrs)
+    }
+
+    private fun initView(context: Context, attrs: AttributeSet?) {
+        mContext = context
+        mImageView = this
+        mImageView.scaleType = ScaleType.CENTER_CROP
+        //获得这个控件对应的属性。
+        val a = context.obtainStyledAttributes(attrs, R.styleable.TBlurView)
+        try {
+            //模糊View
+            blurSrc = a.getResourceId(R.styleable.TBlurView_blurSrc, R.drawable.icon_placeholder)
+            blurRadius = a.getInteger(R.styleable.TBlurView_blurRadius, 15).toFloat()
+            delayTime = a.getInteger(R.styleable.TBlurView_blurDelayTime, 200).toLong()
+        } finally {
+            //回收这个对象
+            a.recycle()
+        }
+        if (isInEditMode) {
+            val bitmap = BitmapFactory.decodeResource(mContext.resources, blurSrc)
+            mImageView.setImageBitmap(TBlurTool.stackBlur(bitmap, blurRadius.toInt(), true))
+        } else {
+            notifyChange(blurSrc)
+        }
+    }
+
+    fun notifyChange(resId: Int) {
+        blurSrc = resId
+        removeCallbacks(mBlurRunnable)
+        mBlurRunnable = Runnable { setBlurImage() }
+        postDelayed(mBlurRunnable, delayTime)
+    }
+
+    private fun generateBlurImage(): Bitmap {
+        val bitmap = BitmapFactory.decodeResource(mContext.resources, blurSrc)
+        return getBlurBitmap(mContext, bitmap, blurRadius)
+    }
+
+    private fun setBlurImage() {
+        startSwitchBackgroundAnim(mImageView, generateBlurImage())
+    }
+
+}
diff --git a/RxUI/src/main/res/values/attrs.xml b/RxUI/src/main/res/values/attrs.xml
@@ -636,4 +636,11 @@
         <attr name="TLoadingColor" format="color" />
     </declare-styleable>
 
+    <declare-styleable name="TBlurView">
+        <attr name="blurSrc" format="reference" />
+        <!-- 设置显示器动画时间-->
+        <attr name="blurDelayTime" format="integer" />
+        <attr name="blurRadius" format="integer" />
+    </declare-styleable>
+
 </resources>

Original file line number	Diff line number	Diff line change
`@@ -272,14 +272,14 @@ object RxAnimationTool {`
`272`	`272`	`oldBitmapDrawable = ColorDrawable(-0x3d3d3e)`
`273`	`273`	`}`
`274`	`274`	`if (oldTransitionDrawable == null) {`
`275`		`- oldTransitionDrawable = TransitionDrawable(arrayOf(oldBitmapDrawable, BitmapDrawable(bitmap)))`
	`275`	`+ oldTransitionDrawable = TransitionDrawable(arrayOf(oldBitmapDrawable, BitmapDrawable(RxTool.getContext().resources, bitmap)))`
`276`	`276`	`oldTransitionDrawable.setId(0, 0)`
`277`	`277`	`oldTransitionDrawable.setId(1, 1)`
`278`	`278`	`oldTransitionDrawable.isCrossFadeEnabled = true`
`279`	`279`	`view.setImageDrawable(oldTransitionDrawable)`
`280`	`280`	`} else {`
`281`	`281`	`oldTransitionDrawable.setDrawableByLayerId(oldTransitionDrawable.getId(0), oldBitmapDrawable)`
`282`		`- oldTransitionDrawable.setDrawableByLayerId(oldTransitionDrawable.getId(1), BitmapDrawable(bitmap))`
	`282`	`+ oldTransitionDrawable.setDrawableByLayerId(oldTransitionDrawable.getId(1), BitmapDrawable(RxTool.getContext().resources, bitmap))`
`283`	`283`	`}`
`284`	`284`	`oldTransitionDrawable.startTransition(1000)`
`285`	`285`	`}`