android: add BlurEffectView

doric-android/doric/src/main/java/pub/doric/DoricRegistry.java

@@ -47,6 +47,7 @@ import pub.doric.resource.DoricBase64Loader;
 import pub.doric.resource.DoricLocalLoader;
 import pub.doric.resource.DoricRemoteLoader;
 import pub.doric.resource.DoricResourceManager;
+import pub.doric.shader.BlurEffectViewNode;
 import pub.doric.shader.DraggableNode;
 import pub.doric.shader.GestureContainerNode;
 import pub.doric.shader.HLayoutNode;
@@ -130,6 +131,7 @@ public class DoricRegistry {
         this.registerViewNode(SwitchNode.class);
         this.registerViewNode(FlexNode.class);
         this.registerViewNode(GestureContainerNode.class);
+        this.registerViewNode(BlurEffectViewNode.class);
         this.getResourceManager().registerLoader(new DoricAndroidLoader("drawable"));
         this.getResourceManager().registerLoader(new DoricAndroidLoader("raw"));
         this.getResourceManager().registerLoader(new DoricAssetsLoader());

doric-android/doric/src/main/java/pub/doric/shader/BlurEffectView.java

@@ -0,0 +1,90 @@
+/*
+ * Copyright [2021] [Doric.Pub]
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package pub.doric.shader;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.PorterDuff;
+import android.graphics.Rect;
+import android.os.Build;
+
+import androidx.annotation.NonNull;
+import jp.wasabeef.glide.transformations.internal.FastBlur;
+import jp.wasabeef.glide.transformations.internal.RSBlur;
+import jp.wasabeef.glide.transformations.internal.SupportRSBlur;
+
+/**
+ * @Description: This could blur what's contained.
+ * @Author: pengfei.zhou
+ * @CreateDate: 2021/11/24
+ */
+public class BlurEffectView extends DoricLayer {
+    private Rect effectiveRect = null;
+
+    private int mRadius = 15;
+
+    private Bitmap mBitmap = null;
+    private Canvas mBlurCanvas = null;
+
+    public BlurEffectView(@NonNull Context context) {
+        super(context);
+    }
+
+    public void setEffectiveRect(Rect rect) {
+        this.effectiveRect = rect;
+        invalidate();
+    }
+
+    public void setRadius(int radius) {
+        if (radius <= 0) {
+            return;
+        }
+        this.mRadius = radius;
+        invalidate();
+    }
+
+    @Override
+    protected void dispatchDraw(Canvas canvas) {
+        if (mBitmap == null
+                || mBitmap.getWidth() != canvas.getWidth()
+                || mBitmap.getHeight() != canvas.getHeight()) {
+            mBitmap = Bitmap.createBitmap(canvas.getWidth(), canvas.getHeight(), Bitmap.Config.ARGB_8888);
+            mBlurCanvas = new Canvas(mBitmap);
+        }
+        mBlurCanvas.drawColor(Color.TRANSPARENT, PorterDuff.Mode.CLEAR);
+        super.dispatchDraw(mBlurCanvas);
+        Bitmap bitmap;
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2
+                && mRadius <= 25) {
+            try {
+                bitmap = SupportRSBlur.blur(getContext(), mBitmap, mRadius);
+            } catch (NoClassDefFoundError e) {
+                try {
+                    bitmap = RSBlur.blur(getContext(), mBitmap, mRadius);
+                } catch (Exception ee) {
+                    bitmap = FastBlur.blur(mBitmap, mRadius, true);
+                }
+            } catch (Exception e) {
+                bitmap = FastBlur.blur(mBitmap, mRadius, true);
+            }
+        } else {
+            bitmap = FastBlur.blur(mBitmap, mRadius, true);
+        }
+        canvas.drawBitmap(bitmap, 0, 0, null);
+    }
+}

doric-android/doric/src/main/java/pub/doric/shader/BlurEffectViewNode.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright [2021] [Doric.Pub]
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package pub.doric.shader;
+
+import android.widget.FrameLayout;
+
+import com.github.pengfeizhou.jscore.JSValue;
+
+import pub.doric.DoricContext;
+import pub.doric.extension.bridge.DoricPlugin;
+
+/**
+ * @Description: Describe the effect view
+ * @Author: pengfei.zhou
+ * @CreateDate: 2021/11/24
+ */
+@DoricPlugin(name = "BlurEffect")
+public class BlurEffectViewNode extends StackNode {
+    public BlurEffectViewNode(DoricContext doricContext) {
+        super(doricContext);
+    }
+
+    @Override
+    protected FrameLayout build() {
+        return new BlurEffectView(getContext());
+    }
+
+    @Override
+    protected void blend(FrameLayout view, String name, JSValue prop) {
+        if ("radius".equals(name)) {
+            if (prop.isNumber()) {
+                ((BlurEffectView) view).setRadius(prop.asNumber().toInt());
+            }
+        } else {
+            super.blend(view, name, prop);
+        }
+    }
+}