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      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.test.hwui;
     18 
     19 import android.app.Activity;
     20 import android.content.res.Resources;
     21 import android.graphics.Bitmap;
     22 import android.graphics.Canvas;
     23 import android.graphics.Rect;
     24 import android.graphics.RectF;
     25 import android.graphics.drawable.Drawable;
     26 import android.os.Bundle;
     27 import android.view.View;
     28 import android.widget.FrameLayout;
     29 
     30 @SuppressWarnings({"UnusedDeclaration"})
     31 public class ThinPatchesActivity extends Activity {
     32     @Override
     33     protected void onCreate(Bundle savedInstanceState) {
     34         super.onCreate(savedInstanceState);
     35 
     36         FrameLayout layout = new FrameLayout(this);
     37         PatchView b = new PatchView(this);
     38         b.setLayoutParams(new FrameLayout.LayoutParams(FrameLayout.LayoutParams.MATCH_PARENT,
     39                 FrameLayout.LayoutParams.MATCH_PARENT));
     40         layout.addView(b);
     41         layout.setBackgroundColor(0xffffffff);
     42 
     43         setContentView(layout);
     44     }
     45 
     46     private class PatchView extends View {
     47         private Drawable mPatch1, mPatch2, mPatch3;
     48         private Bitmap mTexture;
     49 
     50         public PatchView(Activity activity) {
     51             super(activity);
     52 
     53             final Resources resources = activity.getResources();
     54             mPatch1 = resources.getDrawable(R.drawable.patch);
     55             mPatch2 = resources.getDrawable(R.drawable.btn_toggle_on);
     56             mPatch3 = resources.getDrawable(R.drawable.patch2);
     57 
     58             mTexture = Bitmap.createBitmap(4, 3, Bitmap.Config.ARGB_8888);
     59             mTexture.setPixel(0, 0, 0xffff0000);
     60             mTexture.setPixel(1, 0, 0xffffffff);
     61             mTexture.setPixel(2, 0, 0xff000000);
     62             mTexture.setPixel(3, 0, 0xffff0000);
     63             mTexture.setPixel(0, 1, 0xffff0000);
     64             mTexture.setPixel(1, 1, 0xff000000);
     65             mTexture.setPixel(2, 1, 0xffffffff);
     66             mTexture.setPixel(3, 1, 0xffff0000);
     67             mTexture.setPixel(0, 2, 0xffff0000);
     68             mTexture.setPixel(1, 2, 0xffff0000);
     69             mTexture.setPixel(2, 2, 0xffff0000);
     70             mTexture.setPixel(3, 2, 0xffff0000);
     71         }
     72 
     73         @Override
     74         protected void onDraw(Canvas canvas) {
     75             final int width = 100;
     76             final int height = 60;
     77 
     78             final int left = (getWidth() - width) / 2;
     79             final int top  = (getHeight() - height) / 2;
     80 
     81             canvas.save();
     82             canvas.translate(0.0f, -height * 2 - 20.0f);
     83 
     84             mPatch3.setBounds(left, top, left + height, top + width);
     85             mPatch3.draw(canvas);
     86 
     87             canvas.restore();
     88 
     89             mPatch1.setBounds(left, top, left + width, top + height);
     90             mPatch1.draw(canvas);
     91 
     92             canvas.save();
     93             canvas.translate(0.0f, height + 20.0f);
     94 
     95             mPatch2.setBounds(left, top, left + width, top + height);
     96             mPatch2.draw(canvas);
     97 
     98             canvas.restore();
     99 
    100 //            Rect src = new Rect(1, 0, 3, 2);
    101 //            RectF dst = new RectF(0, 0, getWidth(), getHeight());
    102 //            canvas.drawBitmap(mTexture, src, dst, null);
    103         }
    104     }
    105 }
    106