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      1 /*
      2  * Copyright (C) 2006 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 android.graphics.drawable;
     18 
     19 import android.graphics.Bitmap;
     20 import android.graphics.Canvas;
     21 import android.graphics.Region;
     22 import android.os.Handler;
     23 import android.os.HandlerThread;
     24 import android.os.Parcel;
     25 import android.test.AndroidTestCase;
     26 import android.test.suitebuilder.annotation.SmallTest;
     27 import android.util.Log;
     28 
     29 import com.android.frameworks.coretests.R;
     30 
     31 import java.io.ByteArrayOutputStream;
     32 import java.io.File;
     33 import java.io.FileOutputStream;
     34 import java.util.ArrayList;
     35 import java.util.Arrays;
     36 
     37 public class IconTest extends AndroidTestCase {
     38     public static final String TAG = IconTest.class.getSimpleName();
     39     public static void L(String s, Object... parts) {
     40         Log.d(TAG, (parts.length == 0) ? s : String.format(s, parts));
     41     }
     42 
     43     @SmallTest
     44     public void testWithBitmap() throws Exception {
     45         final Bitmap bm1 = Bitmap.createBitmap(100, 200, Bitmap.Config.ARGB_8888);
     46         final Bitmap bm2 = Bitmap.createBitmap(100, 200, Bitmap.Config.RGB_565);
     47         final Bitmap bm3 = ((BitmapDrawable) getContext().getDrawable(R.drawable.landscape))
     48                 .getBitmap();
     49 
     50         final Canvas can1 = new Canvas(bm1);
     51         can1.drawColor(0xFFFF0000);
     52         final Canvas can2 = new Canvas(bm2);
     53         can2.drawColor(0xFF00FF00);
     54 
     55         final Icon im1 = Icon.createWithBitmap(bm1);
     56         final Icon im2 = Icon.createWithBitmap(bm2);
     57         final Icon im3 = Icon.createWithBitmap(bm3);
     58 
     59         final Drawable draw1 = im1.loadDrawable(mContext);
     60         final Drawable draw2 = im2.loadDrawable(mContext);
     61         final Drawable draw3 = im3.loadDrawable(mContext);
     62 
     63         final Bitmap test1 = Bitmap.createBitmap(draw1.getIntrinsicWidth(),
     64                 draw1.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
     65         final Bitmap test2 = Bitmap.createBitmap(draw2.getIntrinsicWidth(),
     66                 draw2.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
     67         final Bitmap test3 = Bitmap.createBitmap(draw3.getIntrinsicWidth(),
     68                 draw3.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
     69 
     70         draw1.setBounds(0, 0, draw1.getIntrinsicWidth(), draw1.getIntrinsicHeight());
     71         draw1.draw(new Canvas(test1));
     72 
     73         draw2.setBounds(0, 0, draw2.getIntrinsicWidth(), draw2.getIntrinsicHeight());
     74         draw2.draw(new Canvas(test2));
     75 
     76         draw3.setBounds(0, 0, draw3.getIntrinsicWidth(), draw3.getIntrinsicHeight());
     77         draw3.draw(new Canvas(test3));
     78 
     79         final File dir = getContext().getExternalFilesDir(null);
     80         L("writing temp bitmaps to %s...", dir);
     81 
     82         bm1.compress(Bitmap.CompressFormat.PNG, 100,
     83                 new FileOutputStream(new File(dir, "bitmap1-original.png")));
     84         test1.compress(Bitmap.CompressFormat.PNG, 100,
     85                 new FileOutputStream(new File(dir, "bitmap1-test.png")));
     86         if (!equalBitmaps(bm1, test1)) {
     87             findBitmapDifferences(bm1, test1);
     88             fail("bitmap1 differs, check " + dir);
     89         }
     90 
     91         bm2.compress(Bitmap.CompressFormat.PNG, 100,
     92                 new FileOutputStream(new File(dir, "bitmap2-original.png")));
     93         test2.compress(Bitmap.CompressFormat.PNG, 100,
     94                 new FileOutputStream(new File(dir, "bitmap2-test.png")));
     95         if (!equalBitmaps(bm2, test2)) {
     96             findBitmapDifferences(bm2, test2);
     97             fail("bitmap2 differs, check " + dir);
     98         }
     99 
    100         bm3.compress(Bitmap.CompressFormat.PNG, 100,
    101                 new FileOutputStream(new File(dir, "bitmap3-original.png")));
    102         test3.compress(Bitmap.CompressFormat.PNG, 100,
    103                 new FileOutputStream(new File(dir, "bitmap3-test.png")));
    104         if (!equalBitmaps(bm3, test3)) {
    105             findBitmapDifferences(bm3, test3);
    106             fail("bitmap3 differs, check " + dir);
    107         }
    108     }
    109 
    110     @SmallTest
    111     public void testWithAdaptiveBitmap() throws Exception {
    112         final Bitmap bm1 = Bitmap.createBitmap(150, 150, Bitmap.Config.ARGB_8888);
    113 
    114         final Canvas can1 = new Canvas(bm1);
    115         can1.drawColor(0xFFFF0000);
    116 
    117         final Icon im1 = Icon.createWithAdaptiveBitmap(bm1);
    118 
    119         final AdaptiveIconDrawable draw1 = (AdaptiveIconDrawable) im1.loadDrawable(mContext);
    120 
    121         final Bitmap test1 = Bitmap.createBitmap(
    122             (int)(draw1.getIntrinsicWidth() * (1 + 2 * AdaptiveIconDrawable.getExtraInsetFraction())),
    123             (int)(draw1.getIntrinsicHeight() * (1 + 2 * AdaptiveIconDrawable.getExtraInsetFraction())),
    124             Bitmap.Config.ARGB_8888);
    125 
    126         draw1.setBounds(0, 0,
    127             (int) (draw1.getIntrinsicWidth() * (1 + 2 * AdaptiveIconDrawable.getExtraInsetFraction())),
    128             (int) (draw1.getIntrinsicHeight() * (1 + 2 * AdaptiveIconDrawable.getExtraInsetFraction())));
    129         draw1.draw(new Canvas(test1));
    130 
    131         final File dir = getContext().getExternalFilesDir(null);
    132         L("writing temp bitmaps to %s...", dir);
    133 
    134         bm1.compress(Bitmap.CompressFormat.PNG, 100,
    135             new FileOutputStream(new File(dir, "adaptive-bitmap1-original.png")));
    136         test1.compress(Bitmap.CompressFormat.PNG, 100,
    137             new FileOutputStream(new File(dir, "adaptive-bitmap1-test.png")));
    138         if (!equalBitmaps(bm1, test1, draw1.getSafeZone())) {
    139             findBitmapDifferences(bm1, test1);
    140             fail("adaptive bitmap1 differs, check " + dir);
    141         }
    142     }
    143 
    144     @SmallTest
    145     public void testWithBitmapResource() throws Exception {
    146         final Bitmap res1 = ((BitmapDrawable) getContext().getDrawable(R.drawable.landscape))
    147                 .getBitmap();
    148 
    149         final Icon im1 = Icon.createWithResource(getContext(), R.drawable.landscape);
    150         final Drawable draw1 = im1.loadDrawable(mContext);
    151         final Bitmap test1 = Bitmap.createBitmap(draw1.getIntrinsicWidth(),
    152                 draw1.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
    153         draw1.setBounds(0, 0, test1.getWidth(), test1.getHeight());
    154         draw1.draw(new Canvas(test1));
    155 
    156         final File dir = getContext().getExternalFilesDir(null);
    157         res1.compress(Bitmap.CompressFormat.PNG, 100,
    158                 new FileOutputStream(new File(dir, "res1-original.png")));
    159         test1.compress(Bitmap.CompressFormat.PNG, 100,
    160                 new FileOutputStream(new File(dir, "res1-test.png")));
    161         if (!equalBitmaps(res1, test1)) {
    162             findBitmapDifferences(res1, test1);
    163             fail("res1 differs, check " + dir);
    164         }
    165     }
    166 
    167     @SmallTest
    168     public void testWithFile() throws Exception {
    169         final Bitmap bit1 = ((BitmapDrawable) getContext().getDrawable(R.drawable.landscape))
    170                 .getBitmap();
    171         final File dir = getContext().getExternalFilesDir(null);
    172         final File file1 = new File(dir, "file1-original.png");
    173         bit1.compress(Bitmap.CompressFormat.PNG, 100,
    174                 new FileOutputStream(file1));
    175 
    176         final Icon im1 = Icon.createWithFilePath(file1.toString());
    177         final Drawable draw1 = im1.loadDrawable(mContext);
    178         final Bitmap test1 = Bitmap.createBitmap(draw1.getIntrinsicWidth(),
    179                 draw1.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
    180         draw1.setBounds(0, 0, test1.getWidth(), test1.getHeight());
    181         draw1.draw(new Canvas(test1));
    182 
    183         test1.compress(Bitmap.CompressFormat.PNG, 100,
    184                 new FileOutputStream(new File(dir, "file1-test.png")));
    185         if (!equalBitmaps(bit1, test1)) {
    186             findBitmapDifferences(bit1, test1);
    187             fail("testWithFile: file1 differs, check " + dir);
    188         }
    189     }
    190 
    191     @SmallTest
    192     public void testAsync() throws Exception {
    193         final Bitmap bit1 = ((BitmapDrawable) getContext().getDrawable(R.drawable.landscape))
    194                 .getBitmap();
    195         final File dir = getContext().getExternalFilesDir(null);
    196         final File file1 = new File(dir, "async-original.png");
    197         bit1.compress(Bitmap.CompressFormat.PNG, 100,
    198                 new FileOutputStream(file1));
    199 
    200         final Icon im1 = Icon.createWithFilePath(file1.toString());
    201         final HandlerThread thd = new HandlerThread("testAsync");
    202         thd.start();
    203         final Handler h = new Handler(thd.getLooper());
    204         L(TAG, "asyncTest: dispatching load to thread: " + thd);
    205         im1.loadDrawableAsync(mContext, new Icon.OnDrawableLoadedListener() {
    206             @Override
    207             public void onDrawableLoaded(Drawable draw1) {
    208                 L(TAG, "asyncTest: thread: loading drawable");
    209                 L(TAG, "asyncTest: thread: loaded: %dx%d", draw1.getIntrinsicWidth(),
    210                     draw1.getIntrinsicHeight());
    211                 final Bitmap test1 = Bitmap.createBitmap(draw1.getIntrinsicWidth(),
    212                         draw1.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
    213                 draw1.setBounds(0, 0, test1.getWidth(), test1.getHeight());
    214                 draw1.draw(new Canvas(test1));
    215 
    216                 try {
    217                     test1.compress(Bitmap.CompressFormat.PNG, 100,
    218                             new FileOutputStream(new File(dir, "async-test.png")));
    219                 } catch (java.io.FileNotFoundException ex) {
    220                     fail("couldn't create test file: " + ex);
    221                 }
    222                 if (!equalBitmaps(bit1, test1)) {
    223                     findBitmapDifferences(bit1, test1);
    224                     fail("testAsync: file1 differs, check " + dir);
    225                 }
    226             }
    227         }, h);
    228         L(TAG, "asyncTest: awaiting result");
    229         Thread.sleep(500); // ;_;
    230         assertTrue("async-test.png does not exist!", new File(dir, "async-test.png").exists());
    231         L(TAG, "asyncTest: done");
    232     }
    233 
    234     @SmallTest
    235     public void testParcel() throws Exception {
    236         final Bitmap originalbits = ((BitmapDrawable) getContext().getDrawable(R.drawable.landscape))
    237                 .getBitmap();
    238 
    239         final ByteArrayOutputStream ostream = new ByteArrayOutputStream(
    240                 originalbits.getWidth() * originalbits.getHeight() * 2); // guess 50% compression
    241         originalbits.compress(Bitmap.CompressFormat.PNG, 100, ostream);
    242         final byte[] pngdata = ostream.toByteArray();
    243 
    244         L("starting testParcel; bitmap: %d bytes, PNG: %d bytes",
    245                 originalbits.getByteCount(),
    246                 pngdata.length);
    247 
    248         final File dir = getContext().getExternalFilesDir(null);
    249         final File originalfile = new File(dir, "parcel-original.png");
    250         new FileOutputStream(originalfile).write(pngdata);
    251 
    252         ArrayList<Icon> imgs = new ArrayList<>();
    253         final Icon file1 = Icon.createWithFilePath(originalfile.getAbsolutePath());
    254         imgs.add(file1);
    255         final Icon bit1 = Icon.createWithBitmap(originalbits);
    256         imgs.add(bit1);
    257         final Icon data1 = Icon.createWithData(pngdata, 0, pngdata.length);
    258         imgs.add(data1);
    259         final Icon res1 = Icon.createWithResource(getContext(), R.drawable.landscape);
    260         imgs.add(res1);
    261 
    262         ArrayList<Icon> test = new ArrayList<>();
    263         final Parcel parcel = Parcel.obtain();
    264         int pos = 0;
    265         parcel.writeInt(imgs.size());
    266         for (Icon img : imgs) {
    267             img.writeToParcel(parcel, 0);
    268             L("used %d bytes parceling: %s", parcel.dataPosition() - pos, img);
    269             pos = parcel.dataPosition();
    270         }
    271 
    272         parcel.setDataPosition(0); // rewind
    273         final int N = parcel.readInt();
    274         for (int i=0; i<N; i++) {
    275             Icon img = Icon.CREATOR.createFromParcel(parcel);
    276             L("test %d: read from parcel: %s", i, img);
    277             final File testfile = new File(dir,
    278                     String.format("parcel-test%02d.png", i));
    279 
    280             final Drawable draw1 = img.loadDrawable(mContext);
    281             if (draw1 == null) {
    282                 fail("null drawable from img: " + img);
    283             }
    284             final Bitmap test1 = Bitmap.createBitmap(draw1.getIntrinsicWidth(),
    285                     draw1.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
    286             draw1.setBounds(0, 0, test1.getWidth(), test1.getHeight());
    287             draw1.draw(new Canvas(test1));
    288 
    289             try {
    290                 test1.compress(Bitmap.CompressFormat.PNG, 100,
    291                         new FileOutputStream(testfile));
    292             } catch (java.io.FileNotFoundException ex) {
    293                 fail("couldn't create test file " + testfile + ": " + ex);
    294             }
    295             if (!equalBitmaps(originalbits, test1)) {
    296                 findBitmapDifferences(originalbits, test1);
    297                 fail(testfile + " differs from original: " + originalfile);
    298             }
    299 
    300         }
    301     }
    302 
    303 
    304     // ======== utils ========
    305 
    306     static final char[] GRADIENT = " .:;+=xX$#".toCharArray();
    307     static float[] hsv = new float[3];
    308     static char colorToChar(int color) {
    309         int sum = ((color >> 16) & 0xff)
    310                 + ((color >> 8)  & 0xff)
    311                 + ((color)       & 0xff);
    312         return GRADIENT[sum * (GRADIENT.length-1) / (3*0xff)];
    313     }
    314     static void printBits(int[] a, int w, int h) {
    315         final StringBuilder sb = new StringBuilder();
    316         for (int i=0; i<w; i++) {
    317             for (int j=0; j<h; j++) {
    318                 sb.append(colorToChar(a[i+w*j]));
    319             }
    320             sb.append('\n');
    321         }
    322         L(sb.toString());
    323     }
    324     static void printBits(Bitmap a) {
    325         final int w = a.getWidth();
    326         final int h = a.getHeight();
    327         int[] aPix = new int[w * h];
    328         printBits(aPix, w, h);
    329     }
    330     boolean equalBitmaps(Bitmap a, Bitmap b) {
    331         return equalBitmaps(a, b, null);
    332     }
    333 
    334     boolean equalBitmaps(Bitmap a, Bitmap b, Region region) {
    335         if (a.getWidth() != b.getWidth() || a.getHeight() != b.getHeight()) return false;
    336 
    337         final int w = a.getWidth();
    338         final int h = a.getHeight();
    339         int[] aPix = new int[w * h];
    340         int[] bPix = new int[w * h];
    341 
    342         if (region != null) {
    343             for (int i = 0; i < w; i++) {
    344                 for (int j = 0; j < h; j++) {
    345                     if (region.contains(i, j) && a.getPixel(i, j) != b.getPixel(i, j)) {
    346                         return false;
    347                     }
    348                 }
    349             }
    350             return true;
    351         } else {
    352             a.getPixels(aPix, 0, w, 0, 0, w, h);
    353             b.getPixels(bPix, 0, w, 0, 0, w, h);
    354             return Arrays.equals(aPix, bPix);
    355         }
    356     }
    357 
    358     void findBitmapDifferences(Bitmap a, Bitmap b) {
    359         if (a.getWidth() != b.getWidth() || a.getHeight() != b.getHeight()) {
    360             L("different sizes: %dx%d vs %dx%d",
    361                         a.getWidth(), a.getHeight(), b.getWidth(), b.getHeight());
    362             return;
    363         }
    364 
    365         final int w = a.getWidth();
    366         final int h = a.getHeight();
    367         int[] aPix = new int[w * h];
    368         int[] bPix = new int[w * h];
    369 
    370         a.getPixels(aPix, 0, w, 0, 0, w, h);
    371         b.getPixels(bPix, 0, w, 0, 0, w, h);
    372 
    373         L("bitmap a (%dx%d)", w, h);
    374         printBits(aPix, w, h);
    375         L("bitmap b (%dx%d)", w, h);
    376         printBits(bPix, w, h);
    377 
    378         StringBuffer sb = new StringBuffer("Different pixels: ");
    379         for (int i=0; i<w; i++) {
    380             for (int j=0; j<h; j++) {
    381                 if (aPix[i+w*j] != bPix[i+w*j]) {
    382                     sb.append(" ").append(i).append(",").append(j);
    383                 }
    384             }
    385         }
    386         L(sb.toString());
    387     }
    388 }
    389