auto import from //depot/cupcake/@135843

6 files changed, 205 insertions, 0 deletions

diff --git a/tests/DpiTest/Android.mk b/tests/DpiTest/Android.mk
new file mode 100644
index 0000000..3596c39
--- /dev/null
+++ b/tests/DpiTest/Android.mk
@@ -0,0 +1,10 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := $(call all-subdir-java-files)
+
+LOCAL_PACKAGE_NAME := DensityTest
+
+LOCAL_MODULE_TAGS := tests
+
+include $(BUILD_PACKAGE)
diff --git a/tests/DpiTest/AndroidManifest.xml b/tests/DpiTest/AndroidManifest.xml
new file mode 100644
index 0000000..f71cff2
--- /dev/null
+++ b/tests/DpiTest/AndroidManifest.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2008 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.
+-->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.google.android.test.dpi">
+    <application android:label="DpiTest">
+        <activity android:name="DpiTestActivity" android:label="DpiTest">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+</manifest>
diff --git a/tests/DpiTest/res/drawable-120dpi/logo120dpi.png b/tests/DpiTest/res/drawable-120dpi/logo120dpi.png
new file mode 100644
index 0000000..46bbd5b
--- /dev/null
+++ b/tests/DpiTest/res/drawable-120dpi/logo120dpi.png
diff --git a/tests/DpiTest/res/drawable-240dpi/logo240dpi.png b/tests/DpiTest/res/drawable-240dpi/logo240dpi.png
new file mode 100644
index 0000000..4d717a8
--- /dev/null
+++ b/tests/DpiTest/res/drawable-240dpi/logo240dpi.png
diff --git a/tests/DpiTest/res/drawable/logo160dpi.png b/tests/DpiTest/res/drawable/logo160dpi.png
new file mode 100644
index 0000000..c23b2ce
--- /dev/null
+++ b/tests/DpiTest/res/drawable/logo160dpi.png
diff --git a/tests/DpiTest/src/com/google/android/test/dpi/DpiTestActivity.java b/tests/DpiTest/src/com/google/android/test/dpi/DpiTestActivity.java
new file mode 100644
index 0000000..3759622
--- /dev/null
+++ b/tests/DpiTest/src/com/google/android/test/dpi/DpiTestActivity.java
@@ -0,0 +1,167 @@
+/*
+ * Copyright (C) 2008 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.google.android.test.dpi;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.graphics.BitmapFactory;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+import android.widget.ScrollView;
+import android.view.View;
+import android.content.Context;
+
+public class DpiTestActivity extends Activity {
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        LinearLayout root = new LinearLayout(this);
+        root.setOrientation(LinearLayout.VERTICAL);
+
+        LinearLayout layout = new LinearLayout(this);
+        addBitmapDrawable(layout, R.drawable.logo120dpi, true);
+        addBitmapDrawable(layout, R.drawable.logo160dpi, true);
+        addBitmapDrawable(layout, R.drawable.logo240dpi, true);
+        addLabelToRoot(root, "Prescaled bitmap in drawable");
+        addChildToRoot(root, layout);
+
+        layout = new LinearLayout(this);
+        addBitmapDrawable(layout, R.drawable.logo120dpi, false);
+        addBitmapDrawable(layout, R.drawable.logo160dpi, false);
+        addBitmapDrawable(layout, R.drawable.logo240dpi, false);
+        addLabelToRoot(root, "Autoscaled bitmap in drawable");
+        addChildToRoot(root, layout);
+
+        layout = new LinearLayout(this);
+        addResourceDrawable(layout, R.drawable.logo120dpi);
+        addResourceDrawable(layout, R.drawable.logo160dpi);
+        addResourceDrawable(layout, R.drawable.logo240dpi);
+        addLabelToRoot(root, "Prescaled resource drawable");
+        addChildToRoot(root, layout);
+
+        layout = new LinearLayout(this);
+        addCanvasBitmap(layout, R.drawable.logo120dpi, true);
+        addCanvasBitmap(layout, R.drawable.logo160dpi, true);
+        addCanvasBitmap(layout, R.drawable.logo240dpi, true);
+        addLabelToRoot(root, "Prescaled bitmap");
+        addChildToRoot(root, layout);
+
+        layout = new LinearLayout(this);
+        addCanvasBitmap(layout, R.drawable.logo120dpi, false);
+        addCanvasBitmap(layout, R.drawable.logo160dpi, false);
+        addCanvasBitmap(layout, R.drawable.logo240dpi, false);
+        addLabelToRoot(root, "Autoscaled bitmap");
+        addChildToRoot(root, layout);
+
+        setContentView(scrollWrap(root));
+    }
+
+    private View scrollWrap(View view) {
+        ScrollView scroller = new ScrollView(this);
+        scroller.addView(view, new ScrollView.LayoutParams(ScrollView.LayoutParams.FILL_PARENT,
+                ScrollView.LayoutParams.FILL_PARENT));
+        return scroller;
+    }
+
+    private void addLabelToRoot(LinearLayout root, String text) {
+        TextView label = new TextView(this);
+        label.setText(text);
+        root.addView(label, new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT,
+                LinearLayout.LayoutParams.WRAP_CONTENT));
+    }
+
+    private void addChildToRoot(LinearLayout root, LinearLayout layout) {
+        root.addView(layout, new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT,
+                LinearLayout.LayoutParams.WRAP_CONTENT));
+    }
+
+    private void addBitmapDrawable(LinearLayout layout, int resource, boolean scale) {
+        Bitmap bitmap;
+        bitmap = loadAndPrintDpi(resource, scale);
+
+        View view = new View(this);
+
+        final BitmapDrawable d = new BitmapDrawable(bitmap);
+        if (!scale) d.setDensityScale(getResources().getDisplayMetrics());
+        view.setBackgroundDrawable(d);
+
+        view.setLayoutParams(new LinearLayout.LayoutParams(d.getIntrinsicWidth(),
+                d.getIntrinsicHeight()));
+        layout.addView(view);
+    }
+
+    private void addResourceDrawable(LinearLayout layout, int resource) {
+        View view = new View(this);
+
+        final Drawable d = getResources().getDrawable(resource);
+        view.setBackgroundDrawable(d);
+
+        view.setLayoutParams(new LinearLayout.LayoutParams(d.getIntrinsicWidth(),
+                d.getIntrinsicHeight()));
+        layout.addView(view);
+    }
+
+    private void addCanvasBitmap(LinearLayout layout, int resource, boolean scale) {
+        Bitmap bitmap;
+        bitmap = loadAndPrintDpi(resource, scale);
+
+        ScaledBitmapView view = new ScaledBitmapView(this, bitmap);
+
+        view.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,
+                LinearLayout.LayoutParams.WRAP_CONTENT));
+        layout.addView(view);
+    }
+
+    private Bitmap loadAndPrintDpi(int id, boolean scale) {
+        Bitmap bitmap;
+        if (scale) {
+            bitmap = BitmapFactory.decodeResource(getResources(), id);
+        } else {
+            BitmapFactory.Options opts = new BitmapFactory.Options();
+            opts.inScaled = false;
+            bitmap = BitmapFactory.decodeResource(getResources(), id, opts);
+        }
+        return bitmap;
+    }
+
+    private class ScaledBitmapView extends View {
+        private Bitmap mBitmap;
+
+        public ScaledBitmapView(Context context, Bitmap bitmap) {
+            super(context);
+            mBitmap = bitmap;
+        }
+
+        @Override
+        protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+            super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+            setMeasuredDimension(mBitmap.getScaledWidth(), mBitmap.getScaledHeight());
+        }
+
+        @Override
+        protected void onDraw(Canvas canvas) {
+            super.onDraw(canvas);
+
+            canvas.drawBitmap(mBitmap, 0.0f, 0.0f, null);
+        }
+    }
+}