Add lock/unlockCanvas to TextureView

With this change, TextureView has feature parity with SurfaceView.

Change-Id: I4ef2da33420fc9590f868636ae72a5a6de61965b

2 files changed, 86 insertions, 0 deletions

diff --git a/tests/HwAccelerationTest/AndroidManifest.xml b/tests/HwAccelerationTest/AndroidManifest.xml
index 32a6a65..9fcd05a 100644
--- a/tests/HwAccelerationTest/AndroidManifest.xml
+++ b/tests/HwAccelerationTest/AndroidManifest.xml
@@ -94,6 +94,15 @@
         </activity>
 
         <activity
+                android:name="CanvasTextureViewActivity"
+                android:label="_CanvasTextureView">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        
+        <activity
                 android:name="GLTextureViewActivity"
                 android:label="_TextureViewGL">
             <intent-filter>
diff --git a/tests/HwAccelerationTest/src/com/android/test/hwui/CanvasTextureViewActivity.java b/tests/HwAccelerationTest/src/com/android/test/hwui/CanvasTextureViewActivity.java
new file mode 100644
index 0000000..4d7f042
--- /dev/null
+++ b/tests/HwAccelerationTest/src/com/android/test/hwui/CanvasTextureViewActivity.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * 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 com.android.test.hwui;
+
+import android.app.Activity;
+import android.graphics.Canvas;
+import android.graphics.Rect;
+import android.graphics.SurfaceTexture;
+import android.os.Bundle;
+import android.view.Gravity;
+import android.view.TextureView;
+import android.widget.FrameLayout;
+
+@SuppressWarnings({"UnusedDeclaration"})
+public class CanvasTextureViewActivity extends Activity
+        implements TextureView.SurfaceTextureListener {
+    private TextureView mTextureView;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        FrameLayout content = new FrameLayout(this);
+
+        mTextureView = new TextureView(this);
+        mTextureView.setSurfaceTextureListener(this);
+
+        content.addView(mTextureView, new FrameLayout.LayoutParams(500, 500, Gravity.CENTER));
+        setContentView(content);
+    }
+
+    @Override
+    public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) {
+        Canvas c = mTextureView.lockCanvas();
+        try {
+            c.drawColor(0xff00ff00);
+        } finally {
+            mTextureView.unlockCanvasAndPost(c);
+        }
+
+        c = mTextureView.lockCanvas(new Rect(100, 100, 200, 200));
+        try {
+            c.drawColor(0xff0000ff);
+        } finally {
+            mTextureView.unlockCanvasAndPost(c);
+        }
+    }
+
+    @Override
+    public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) {
+        // Ignored
+    }
+
+    @Override
+    public void onSurfaceTextureDestroyed(SurfaceTexture surface) {
+        // Ignored
+    }
+
+    @Override
+    public void onSurfaceTextureUpdated(SurfaceTexture surface) {
+        // Ignored
+    }
+}