Enable anti-aliasing for hw-accelerated lines
Draw anti-aliased lines with OpenGL by constructing a quad with
a border that fades out (to mimic fragment coverage).
Change-Id: Ib81a3e62d663acdf1b46b401ac4aa7ee9855cc7e
diff --git a/tests/HwAccelerationTest/AndroidManifest.xml b/tests/HwAccelerationTest/AndroidManifest.xml
index 2afc935..c763b1d 100644
--- a/tests/HwAccelerationTest/AndroidManifest.xml
+++ b/tests/HwAccelerationTest/AndroidManifest.xml
@@ -388,6 +388,15 @@
</activity>
<activity
+ android:name="Lines2Activity"
+ android:label="_Lines2">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN" />
+ <category android:name="android.intent.category.LAUNCHER" />
+ </intent-filter>
+ </activity>
+
+ <activity
android:name="PathsActivity"
android:label="_Paths">
<intent-filter>
diff --git a/tests/HwAccelerationTest/src/com/android/test/hwui/Lines2Activity.java b/tests/HwAccelerationTest/src/com/android/test/hwui/Lines2Activity.java
new file mode 100644
index 0000000..ccf0631
--- /dev/null
+++ b/tests/HwAccelerationTest/src/com/android/test/hwui/Lines2Activity.java
@@ -0,0 +1,149 @@
+/*
+ * 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.animation.ObjectAnimator;
+import android.app.Activity;
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.graphics.drawable.ColorDrawable;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.FrameLayout;
+
+@SuppressWarnings({"UnusedDeclaration"})
+public class Lines2Activity extends Activity {
+ private ObjectAnimator mAnimator;
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ getWindow().setBackgroundDrawable(new ColorDrawable(0xff000000));
+ FrameLayout frame = new FrameLayout(this);
+ final LinesView gpuView = new LinesView(this, 0, Color.GREEN);
+ frame.addView(gpuView);
+ final LinesView swView = new LinesView(this, 400, Color.RED);
+ swView.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
+ frame.addView(swView);
+ final LinesView hwBothView = new LinesView(this, 850, Color.GREEN);
+ // BUG: some lines not drawn or drawn with alpha when enabling hw layers
+// hwBothView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
+ frame.addView(hwBothView);
+ final LinesView swBothView = new LinesView(this, 854, Color.RED);
+ swBothView.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
+ frame.addView(swBothView);
+ setContentView(frame);
+ }
+
+ @Override
+ protected void onDestroy() {
+ super.onDestroy();
+ }
+
+ public static class LinesView extends View {
+
+ private float mOffset;
+ private int mColor;
+ private float[] basePoints = {
+ 120, 0, 120, 20, 120, 20, 125, 0, 130, 0, 132, 10
+ };
+ private float[] copyPoints = new float[12];
+
+ public LinesView(Context c, float offset, int color) {
+ super(c);
+ mOffset = offset;
+ mColor = color;
+ }
+
+ private void drawLines(Canvas canvas, Paint p, float xOffset, float yOffset) {
+ canvas.drawLine(10 + xOffset, yOffset, 10 + xOffset, 40 + yOffset, p);
+ canvas.drawLine(30 + xOffset, yOffset, 40 + xOffset, 40 + yOffset, p);
+ canvas.drawLine(40 + xOffset, yOffset, 75 + xOffset, 35 + yOffset, p);
+ canvas.drawLine(50 + xOffset, 5+ yOffset, 100 + xOffset, 15 + yOffset, p);
+ canvas.drawLine(60 + xOffset, yOffset, 110 + xOffset, 2 + yOffset, p);
+ canvas.drawLine(60 + xOffset, 40 + yOffset, 110 + xOffset, 40 + yOffset, p);
+ for (int i = 0; i < 12; i += 2) {
+ copyPoints[i] = basePoints[i] + xOffset;
+ copyPoints[i+1] = basePoints[i+1] + yOffset;
+ }
+ canvas.drawLines(copyPoints, 0, 12, p);
+ }
+
+ @Override
+ protected void onDraw(Canvas canvas) {
+ super.onDraw(canvas);
+ Paint p = new Paint();
+ p.setColor(mColor);
+ float yOffset = 10;
+
+ canvas.save();
+ drawLines(canvas, p, mOffset, yOffset);
+ canvas.scale(2, 2);
+ canvas.translate(60, 0);
+ drawLines(canvas, p, mOffset/2, yOffset/2);
+ canvas.restore();
+
+ yOffset +=100;
+ canvas.save();
+ p.setStrokeWidth(1);
+ drawLines(canvas, p, mOffset, yOffset);
+ canvas.scale(2, 2);
+ canvas.translate(60, 0);
+ drawLines(canvas, p, mOffset/2, yOffset/2);
+ canvas.restore();
+
+ yOffset += 100;
+ canvas.save();
+ p.setStrokeWidth(2);
+ drawLines(canvas, p, mOffset, yOffset);
+ canvas.scale(2, 2);
+ canvas.translate(60, 0);
+ drawLines(canvas, p, mOffset/2, yOffset/2);
+ canvas.restore();
+
+ p.setAntiAlias(true);
+ p.setStrokeWidth(0);
+ yOffset += 100;
+ canvas.save();
+ drawLines(canvas, p, mOffset, yOffset);
+ canvas.scale(2, 2);
+ canvas.translate(60, 0);
+ drawLines(canvas, p, mOffset/2, yOffset/2);
+ canvas.restore();
+
+ yOffset += 100;
+ canvas.save();
+ p.setStrokeWidth(1);
+ drawLines(canvas, p, mOffset, yOffset);
+ canvas.scale(2, 2);
+ canvas.translate(60, 0);
+ drawLines(canvas, p, mOffset/2, yOffset/2);
+ canvas.restore();
+
+ yOffset += 100;
+ canvas.save();
+ p.setStrokeWidth(2);
+ drawLines(canvas, p, mOffset, yOffset);
+ canvas.scale(2, 2);
+ canvas.translate(60, 0);
+ drawLines(canvas, p, mOffset/2, yOffset/2);
+ canvas.restore();
+ }
+ }
+}
diff --git a/tests/HwAccelerationTest/src/com/android/test/hwui/LinesActivity.java b/tests/HwAccelerationTest/src/com/android/test/hwui/LinesActivity.java
index 4233367..c3a91ce 100644
--- a/tests/HwAccelerationTest/src/com/android/test/hwui/LinesActivity.java
+++ b/tests/HwAccelerationTest/src/com/android/test/hwui/LinesActivity.java
@@ -53,7 +53,7 @@
}
public static class LinesView extends View {
- private static final boolean LINE_AA = false;
+ private static final boolean LINE_AA = true;
private final Bitmap mBitmap1;
private final Paint mSmallPaint;