android.graphics.Bitmap.getAllocationByteCount()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.getAllocationByteCount()方法的一些代码示例，展示了Bitmap.getAllocationByteCount()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.getAllocationByteCount()方法的具体详情如下：
包路径：android.graphics.Bitmap
类名称：Bitmap
方法名：getAllocationByteCount

Bitmap.getAllocationByteCount介绍

暂无

代码示例

代码示例来源：origin: bumptech/glide

@Nullable
@TargetApi(Build.VERSION_CODES.KITKAT)
private static String getBitmapString(Bitmap bitmap) {
 if (bitmap == null) {
  return null;
 }
 String sizeString = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT
   ? " (" + bitmap.getAllocationByteCount() + ")" : "";
 return  "[" + bitmap.getWidth() + "x" + bitmap.getHeight() + "] " + bitmap.getConfig()
   + sizeString;
}

代码示例来源：origin: bumptech/glide

/**
 * Returns the in memory size of the given {@link Bitmap} in bytes.
 */
@TargetApi(Build.VERSION_CODES.KITKAT)
public static int getBitmapByteSize(@NonNull Bitmap bitmap) {
 // The return value of getAllocationByteCount silently changes for recycled bitmaps from the
 // internal buffer size to row bytes * height. To avoid random inconsistencies in caches, we
 // instead assert here.
 if (bitmap.isRecycled()) {
  throw new IllegalStateException("Cannot obtain size for recycled Bitmap: " + bitmap
    + "[" + bitmap.getWidth() + "x" + bitmap.getHeight() + "] " + bitmap.getConfig());
 }
 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
  // Workaround for KitKat initial release NPE in Bitmap, fixed in MR1. See issue #148.
  try {
   return bitmap.getAllocationByteCount();
  } catch (@SuppressWarnings("PMD.AvoidCatchingNPE") NullPointerException e) {
   // Do nothing.
  }
 }
 return bitmap.getHeight() * bitmap.getRowBytes();
}

代码示例来源：origin: commonsguy/cw-omnibus

@TargetApi(Build.VERSION_CODES.KITKAT)
 private int byteCount(Bitmap b) {
  if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
   return(b.getAllocationByteCount());
  }

  return(b.getByteCount());
 }
}

代码示例来源：origin: square/assertj-android

@TargetApi(KITKAT)
public BitmapAssert hasAllocationByteCount(int count) {
 isNotNull();
 int actualCount = actual.getAllocationByteCount();
 assertThat(actualCount) //
   .overridingErrorMessage("Expected allocation byte count <%s> but was <%s>.", count,
     actualCount) //
   .isEqualTo(count);
 return this;
}

代码示例来源：origin: stackoverflow.com

/**
 * returns the bytesize of the give bitmap
 */
public static int byteSizeOf(Bitmap bitmap) {
  if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
    return bitmap.getAllocationByteCount();
  } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR1) {
    return bitmap.getByteCount();
  } else {
    return bitmap.getRowBytes() * bitmap.getHeight();
  }
}

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

/**
 * Returns size of the memory needed to store pixels of this object. It counts possible length of all frame buffers.
 * Returned value may be lower than amount of actually allocated memory if GIF uses dispose to previous method but frame requiring it
 * has never been needed yet. Returned value does not change during runtime.
 *
 * @return possible size of the memory needed to store pixels of this object
 */
public long getAllocationByteCount() {
  long byteCount = mNativeInfoHandle.getAllocationByteCount();
  if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
    byteCount += mBuffer.getAllocationByteCount();
  } else {
    byteCount += getFrameByteCount();
  }
  return byteCount;
}

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

/**
 * Like {@link #getAllocationByteCount()} but includes also backing {@link android.graphics.Bitmap} and takes sample size into account.
 *
 * @param oldDrawable optional old drawable to be reused, pass {@code null} if there is no one
 * @param sampleSize  sample size, pass {@code 1} if not using subsampling
 * @return possible size of the memory needed to store pixels
 * @throws IllegalArgumentException if sample size out of range
 */
@Beta
public long getDrawableAllocationByteCount(@Nullable GifDrawable oldDrawable, @IntRange(from = 1, to = Character.MAX_VALUE) int sampleSize) {
  if (sampleSize < 1 || sampleSize > Character.MAX_VALUE) {
    throw new IllegalStateException("Sample size " + sampleSize + " out of range <1, " + Character.MAX_VALUE + ">");
  }
  final int sampleSizeFactor = sampleSize * sampleSize;
  final long bufferSize;
  if (oldDrawable != null && !oldDrawable.mBuffer.isRecycled()) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
      bufferSize = oldDrawable.mBuffer.getAllocationByteCount();
    } else {
      bufferSize = oldDrawable.getFrameByteCount();
    }
  } else {
    bufferSize = (mWidth * mHeight * 4) / sampleSizeFactor;
  }
  return (mPixelsBytesCount / sampleSizeFactor) + bufferSize;
}

代码示例来源：origin: robolectric/robolectric

@Test
@Config(minSdk = KITKAT)
public void getAllocationByteCount() {
 Bitmap bitmap = Bitmap.createBitmap(100, 200, Bitmap.Config.ARGB_8888);
 assertThat(bitmap.getAllocationByteCount()).isGreaterThan(0);
}

代码示例来源：origin: bumptech/glide

@Test
public void loadWideGamutImage_withArgb888OfSufficientSizeInPool_usesArgb8888Bitmap() {
 Bitmap wideGamut = Bitmap.createBitmap(100, 50, Bitmap.Config.RGBA_F16);
 byte[] data = asPng(wideGamut);
 Bitmap argb8888 = Bitmap.createBitmap(100, 100, Bitmap.Config.ARGB_8888);
 Glide.init(context, new GlideBuilder()
   .setBitmapPool(new LruBitmapPool(wideGamut.getAllocationByteCount() * 5)));
 Glide.get(context).getBitmapPool().put(argb8888);
 Bitmap result =
   concurrency.get(
     Glide.with(context)
       .asBitmap()
       .load(data)
       .submit());
 assertThat(result).isSameAs(argb8888);
}

代码示例来源：origin: moagrius/TileView

private static boolean qualifies(Bitmap candidate, BitmapFactory.Options targetOptions) {
 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
  int width = targetOptions.outWidth / targetOptions.inSampleSize;
  int height = targetOptions.outHeight / targetOptions.inSampleSize;
  int byteCount = width * height * getBytesPerPixel(candidate.getConfig());
  return byteCount <= candidate.getAllocationByteCount();
 }
 return candidate.getWidth() == targetOptions.outWidth
   && candidate.getHeight() == targetOptions.outHeight
   && targetOptions.inSampleSize == 1;
}

代码示例来源：origin: guolindev/giffun

/**
 * Returns the in memory size of the given {@link Bitmap} in bytes.
 */
@TargetApi(Build.VERSION_CODES.KITKAT)
public static int getBitmapByteSize(Bitmap bitmap) {
  if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
    // Workaround for KitKat initial release NPE in Bitmap, fixed in MR1. See issue #148.
    try {
      return bitmap.getAllocationByteCount();
    } catch (NullPointerException e) {
      // Do nothing.
    }
  }
  return bitmap.getHeight() * bitmap.getRowBytes();
}

代码示例来源：origin: mozilla-tw/Rocket

@Nullable
@TargetApi(Build.VERSION_CODES.KITKAT)
private static String getBitmapString(Bitmap bitmap) {
 if (bitmap == null) {
  return null;
 }
 String sizeString = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT
   ? " (" + bitmap.getAllocationByteCount() + ")" : "";
 return  "[" + bitmap.getWidth() + "x" + bitmap.getHeight() + "] " + bitmap.getConfig()
   + sizeString;
}

代码示例来源：origin: yangchong211/YCAudioPlayer

@Override
  protected int sizeOf(String key, Bitmap bitmap) {
    //API19
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
      return bitmap.getAllocationByteCount() / 1024;
    } else {
      return bitmap.getByteCount() / 1024;
    }
  }
};

代码示例来源：origin: hidaron/HiFrameAnimation

private static int getBitmapByteCount(Bitmap bitmap) {
  if (null == bitmap) return 0;
  if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
    return bitmap.getAllocationByteCount();
  }
  return bitmap.getByteCount();
}

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

@TargetApi(KITKAT)
public BitmapAssert hasAllocationByteCount(int count) {
 isNotNull();
 int actualCount = actual.getAllocationByteCount();
 assertThat(actualCount) //
   .overridingErrorMessage("Expected allocation byte count <%s> but was <%s>.", count,
     actualCount) //
   .isEqualTo(count);
 return this;
}

代码示例来源：origin: jruesga/rview

@TargetApi(Build.VERSION_CODES.KITKAT)
  public static int byteSizeOf(Bitmap bitmap) {
    if (AndroidHelper.isKitkatOrGreater()) {
      return bitmap.getAllocationByteCount();
    }
    return bitmap.getByteCount();
  }
}

代码示例来源：origin: stackoverflow.com

public static int getBitmapByteCount(Bitmap bitmap) {
  if (VERSION.SDK_INT < VERSION_CODES.HONEYCOMB_MR1)
    return bitmap.getRowBytes() * bitmap.getHeight();
  if (VERSION.SDK_INT < VERSION_CODES.KITKAT)
    return bitmap.getByteCount();
  return bitmap.getAllocationByteCount();
}

代码示例来源：origin: qyxxjd/AndroidBasicProject

/**
 * 得到bitmap的大小
 */
public static int getBitmapSize(Bitmap bitmap) {
  if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {    //API 19
    return bitmap.getAllocationByteCount();
  }
  if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR1) {//API 12
    return bitmap.getByteCount();
  }
  // 在低版本中用一行的字节x高度
  return bitmap.getRowBytes() * bitmap.getHeight(); //earlier version
}

代码示例来源：origin: luhaoaimama1/zone-sdk

/**
 * 得到bitmap的大小
 */
public static int getBitmapSize(Bitmap bitmap) {
  if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {    //API 19
    return bitmap.getAllocationByteCount();
  }
  if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR1) {//API 12
    return bitmap.getByteCount();
  }
  // 在低版本中用一行的字节x高度
  return bitmap.getRowBytes() * bitmap.getHeight();                //earlier version
}

代码示例来源：origin: stackoverflow.com

int bytes = byteSizeOf(b);

protected int byteSizeOf(Bitmap data) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB_MR1) {
  return data.getRowBytes() * data.getHeight();
} else if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
  return data.getByteCount();
} else {
   return data.getAllocationByteCount();
}

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