Add hooks to implement Canvas.drawTextOnPath() in GL

Change-Id: I165c9e05facf5365aa6850605688e538640c7fcc

2 files changed, 93 insertions, 0 deletions

diff --git a/tests/HwAccelerationTest/AndroidManifest.xml b/tests/HwAccelerationTest/AndroidManifest.xml
index ed78daa3..b310d93 100644
--- a/tests/HwAccelerationTest/AndroidManifest.xml
+++ b/tests/HwAccelerationTest/AndroidManifest.xml
@@ -568,6 +568,15 @@
         </activity>
 
         <activity
+                android:name="TextOnPathActivity"
+                android:label="_TextOnPath">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <activity
                 android:name="PathsCacheActivity"
                 android:label="_PathsCache">
             <intent-filter>
diff --git a/tests/HwAccelerationTest/src/com/android/test/hwui/TextOnPathActivity.java b/tests/HwAccelerationTest/src/com/android/test/hwui/TextOnPathActivity.java
new file mode 100644
index 0000000..439d029
--- /dev/null
+++ b/tests/HwAccelerationTest/src/com/android/test/hwui/TextOnPathActivity.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2010 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.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.Path;
+import android.os.Bundle;
+import android.view.View;
+
+@SuppressWarnings({"UnusedDeclaration"})
+public class TextOnPathActivity extends Activity {
+    private Path mPath;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        mPath = makePath();
+
+        final TextOnPathView view = new TextOnPathView(this);
+        setContentView(view);
+    }
+
+    private Path makePath() {
+        Path path = new Path();
+        buildPath(path);
+        return path;
+    }
+
+    private void buildPath(Path path) {
+        path.moveTo(0.0f, 0.0f);
+        path.cubicTo(0.0f, 0.0f, 100.0f, 150.0f, 100.0f, 200.0f);
+        path.cubicTo(100.0f, 200.0f, 50.0f, 300.0f, -80.0f, 200.0f);
+        path.cubicTo(-80.0f, 200.0f, 100.0f, 200.0f, 200.0f, 0.0f);
+    }
+
+    public class TextOnPathView extends View {
+        private static final String TEST_STRING = "Hello OpenGL renderer, text on path! ";
+
+        private final Paint mPaint;
+        private final String mText;
+
+        public TextOnPathView(Context c) {
+            super(c);
+
+            mPaint = new Paint();
+            mPaint.setAntiAlias(true);
+            mPaint.setColor(0xff000000);
+
+            StringBuilder builder = new StringBuilder(TEST_STRING.length() * 5);
+            for (int i = 0; i < 5; i++) {
+                builder.append(TEST_STRING);
+            }
+            mText = builder.toString();
+        }
+
+        @Override
+        protected void onDraw(Canvas canvas) {
+            super.onDraw(canvas);
+
+            canvas.drawARGB(255, 255, 255, 255);
+
+            canvas.translate(550.0f, 60.0f);
+            canvas.drawTextOnPath(mText, mPath, 0.0f, 0.0f, mPaint);
+        }
+    }
+}