android.graphics.Bitmap.isMutable()方法的使用及代码示例

x33g5p2x  于2022-01-16 转载在 其他  
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本文整理了Java中android.graphics.Bitmap.isMutable()方法的一些代码示例，展示了Bitmap.isMutable()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Bitmap.isMutable()方法的具体详情如下：
包路径：android.graphics.Bitmap
类名称：Bitmap
方法名：isMutable

Bitmap.isMutable介绍

暂无

代码示例

代码示例来源：origin: koral--/android-gif-drawable

/**
 * Retrieves a copy of currently buffered frame.
 *
 * @return current frame
 */
public Bitmap getCurrentFrame() {
  final Bitmap copy = mBuffer.copy(mBuffer.getConfig(), mBuffer.isMutable());
  copy.setHasAlpha(mBuffer.hasAlpha());
  return copy;
}

代码示例来源：origin: square/assertj-android

public BitmapAssert isMutable() {
 isNotNull();
 assertThat(actual.isMutable()) //
   .overridingErrorMessage("Expected to be mutable but was not mutable.") //
   .isTrue();
 return this;
}

代码示例来源：origin: square/assertj-android

public BitmapAssert isNotMutable() {
 isNotNull();
 assertThat(actual.isMutable()) //
   .overridingErrorMessage("Expected to not be mutable but was mutable.") //
   .isFalse();
 return this;
}

代码示例来源：origin: bumptech/glide

@Override
public synchronized void put(Bitmap bitmap) {
 if (bitmap == null) {
  throw new NullPointerException("Bitmap must not be null");
 }
 if (bitmap.isRecycled()) {
  throw new IllegalStateException("Cannot pool recycled bitmap");
 }
 if (!bitmap.isMutable() || strategy.getSize(bitmap) > maxSize
   || !allowedConfigs.contains(bitmap.getConfig())) {
  if (Log.isLoggable(TAG, Log.VERBOSE)) {
   Log.v(TAG, "Reject bitmap from pool"
       + ", bitmap: " + strategy.logBitmap(bitmap)
       + ", is mutable: " + bitmap.isMutable()
       + ", is allowed config: " + allowedConfigs.contains(bitmap.getConfig()));
  }
  bitmap.recycle();
  return;
 }
 final int size = strategy.getSize(bitmap);
 strategy.put(bitmap);
 tracker.add(bitmap);
 puts++;
 currentSize += size;
 if (Log.isLoggable(TAG, Log.VERBOSE)) {
  Log.v(TAG, "Put bitmap in pool=" + strategy.logBitmap(bitmap));
 }
 dump();
 evict();
}

代码示例来源：origin: bumptech/glide

public void isImmutable() {
 if (actual().isMutable()) {
  fail("is immutable");
 }
}

代码示例来源：origin: bumptech/glide

public void isMutable()  {
 if (!actual().isMutable()) {
  fail("is mutable");
 }
}

代码示例来源：origin: robolectric/robolectric

@Test
public void shouldCreateMutableBitmap() throws Exception {
 Bitmap mutableBitmap = Bitmap.createBitmap(100, 200, Bitmap.Config.ARGB_8888);
 assertThat(mutableBitmap.isMutable()).isTrue();
}

代码示例来源：origin: robolectric/robolectric

@Test
@Config(minSdk = JELLY_BEAN_MR1)
public void shouldCreateMutableBitmapWithDisplayMetrics() throws Exception {
 final DisplayMetrics metrics = new DisplayMetrics();
 metrics.densityDpi = 1000;
 final Bitmap bitmap = Bitmap.createBitmap(metrics, 100, 100, Bitmap.Config.ARGB_8888);
 assertThat(bitmap.isMutable()).isTrue();
 assertThat(bitmap.getDensity()).isEqualTo(1000);
}

代码示例来源：origin: robolectric/robolectric

@Config(minSdk = P)
@SdkSuppress(minSdkVersion = P)
@Test public void createBitmap() {
 Picture picture = new Picture();
 Canvas canvas = picture.beginRecording(200, 100);
 Paint p = new Paint(Paint.ANTI_ALIAS_FLAG);
 p.setColor(0x88FF0000);
 canvas.drawCircle(50, 50, 40, p);
 p.setColor(Color.GREEN);
 p.setTextSize(30);
 canvas.drawText("Pictures", 60, 60, p);
 picture.endRecording();
 Bitmap bitmap = Bitmap.createBitmap(picture);
 assertThat(bitmap.isMutable()).isFalse();
}

代码示例来源：origin: chrisbanes/Android-BitmapCache

public synchronized boolean isBitmapMutable() {
  Bitmap bitmap = getBitmap();
  return null != bitmap && bitmap.isMutable();
}

代码示例来源：origin: guolindev/giffun

@Override
public synchronized boolean put(Bitmap bitmap) {
  if (bitmap == null) {
    throw new NullPointerException("Bitmap must not be null");
  }
  if (!bitmap.isMutable() || strategy.getSize(bitmap) > maxSize || !allowedConfigs.contains(bitmap.getConfig())) {
    if (Log.isLoggable(TAG, Log.VERBOSE)) {
      Log.v(TAG, "Reject bitmap from pool"
          + ", bitmap: " + strategy.logBitmap(bitmap)
          + ", is mutable: " + bitmap.isMutable()
          + ", is allowed config: " + allowedConfigs.contains(bitmap.getConfig()));
    }
    return false;
  }
  final int size = strategy.getSize(bitmap);
  strategy.put(bitmap);
  tracker.add(bitmap);
  puts++;
  currentSize += size;
  if (Log.isLoggable(TAG, Log.VERBOSE)) {
    Log.v(TAG, "Put bitmap in pool=" + strategy.logBitmap(bitmap));
  }
  dump();
  evict();
  return true;
}

代码示例来源：origin: stackoverflow.com

Bitmap bitmap=BitmapFactory.decodeResource(getResources(),R.drawable.ic_launcher);
final JniBitmapHolder bitmapHolder=new JniBitmapHolder(bitmap);
bitmap.recycle();
bitmap=bitmapHolder.getBitmapAndFree();
Log.d("DEBUG",""+bitmap.isMutable()); //will return true

代码示例来源：origin: stackoverflow.com

private Bitmap adjustOpacity(Bitmap bitmap, int opacity)
 {
   Bitmap mutableBitmap = bitmap.isMutable()
               ? bitmap
               : bitmap.copy(Bitmap.Config.ARGB_8888, true);
   Canvas canvas = new Canvas(mutableBitmap);
   int colour = (opacity & 0xFF) << 24;
   canvas.drawColor(colour, PorterDuff.Mode.DST_IN);
   return mutableBitmap;
 }

代码示例来源：origin: stackoverflow.com

public static void zeroOutBitmapData(Bitmap mutableBitmap) {
  if (mutableBitmap.isMutable()) {
    mutableBitmap.eraseColor(android.graphics.Color.TRANSPARENT);
  } else {
    logger.error("Expected bitmap to be mutable");
  }
}

代码示例来源：origin: posm/OpenMapKitAndroid

public synchronized boolean isBitmapMutable() {
  Bitmap bitmap = getBitmap();
  return null != bitmap && bitmap.isMutable();
}

代码示例来源：origin: org.arakhne.afc.ui/vector-android

@Override
protected Image makeTransparentImage(Image imageObject, float transparency) {
  if (imageObject==null) return null;
  Bitmap aImg = toNativeUIObject(Bitmap.class, imageObject);
  Bitmap mutableBitmap = aImg.isMutable() ?
        aImg : aImg.copy(Bitmap.Config.ARGB_8888, true);
  Canvas canvas = new Canvas(mutableBitmap);
  float t = 255f*(transparency+1f)/2f;
  int colour = ((int)t & 0xFF) << 24;
  canvas.drawColor(colour, PorterDuff.Mode.DST_OUT);
  return new AndroidImage(mutableBitmap);
}

代码示例来源：origin: com.squareup.assertj/assertj-android

public BitmapAssert isNotMutable() {
 isNotNull();
 assertThat(actual.isMutable()) //
   .overridingErrorMessage("Expected to not be mutable but was mutable.") //
   .isFalse();
 return this;
}

代码示例来源：origin: com.squareup.assertj/assertj-android

public BitmapAssert isMutable() {
 isNotNull();
 assertThat(actual.isMutable()) //
   .overridingErrorMessage("Expected to be mutable but was not mutable.") //
   .isTrue();
 return this;
}

代码示例来源：origin: fookwood/Launcher3

@Thunk void addReusableBitmap(TileSource src) {
  synchronized (mReusableBitmaps) {
    if (Utilities.ATLEAST_KITKAT && src instanceof BitmapRegionTileSource) {
      Bitmap preview = ((BitmapRegionTileSource) src).getBitmap();
      if (preview != null && preview.isMutable()) {
        mReusableBitmaps.add(preview);
      }
    }
  }
}

代码示例来源：origin: Catrobat/Paintroid

@Test
public void testImageUnchangedAfterHelpAbort() {
  onDrawingSurfaceView()
      .perform(touchAt(DrawingSurfaceLocationProvider.MIDDLE));
  Bitmap imageBefore = PaintroidApplication.layerModel.getCurrentLayer().getBitmap();
  imageBefore = imageBefore.copy(imageBefore.getConfig(), imageBefore.isMutable());
  onNavigationDrawer()
      .performOpen();
  onView(withText(R.string.help_title)).perform(click());
  intended(hasComponent(hasClassName(WelcomeActivity.class.getName())));
  pressBack();
  Bitmap imageAfter = PaintroidApplication.layerModel.getCurrentLayer().getBitmap();
  assertTrue("Image should not have changed", imageBefore.sameAs(imageAfter));
}

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