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

Bitmap.recycle介绍

暂无

代码示例

代码示例来源：origin: CarGuo/GSYVideoPlayer

public static void saveBitmap(Bitmap bitmap, File file) {
  if (bitmap != null) {
    OutputStream outputStream;
    try {
      outputStream = new FileOutputStream(file);
      bitmap.compress(Bitmap.CompressFormat.JPEG, 100, outputStream);
      bitmap.recycle();
    } catch (FileNotFoundException e) {
      e.printStackTrace();
    }
  }
}

代码示例来源：origin: stackoverflow.com

@Override
public Bitmap transform(Bitmap source) {
  int size = Math.min(source.getWidth(), source.getHeight());
  int x = (source.getWidth() - size) / 2;
  int y = (source.getHeight() - size) / 2;
    source.recycle();
  canvas.drawCircle(r, r, r, paint);
  squaredBitmap.recycle();
  return bitmap;

代码示例来源：origin: stackoverflow.com

if (!(unscaledBitmap.getWidth() <= DESIREDWIDTH && unscaledBitmap.getHeight() <= DESIREDHEIGHT)) {
    unscaledBitmap.recycle();
    return path;
  try {
    fos = new FileOutputStream(f);
    scaledBitmap.compress(Bitmap.CompressFormat.JPEG, 75, fos);
    fos.flush();
    fos.close();
  scaledBitmap.recycle();
} catch (Throwable e) {

代码示例来源：origin: stackoverflow.com

int height = bitmap.getHeight();
canvas.drawBitmap(bitmap, 0, height, paint);
webView.draw(canvas);
    out = new FileOutputStream(file);
    bitmap.compress(Bitmap.CompressFormat.PNG, 50, out);
    out.flush();
    out.close();
    bitmap.recycle();
  } catch (Exception e) {
    e.printStackTrace();

代码示例来源：origin: stackoverflow.com

Bitmap bmp = bmps.get(i);
bigcanvas.drawBitmap(bmp, 0, iHeight, paint);
iHeight+=bmp.getHeight();
bmp.recycle();
bmp=null;

代码示例来源：origin: stackoverflow.com

public Bitmap getResizedBitmap(Bitmap bm, int newWidth, int newHeight) {
  int width = bm.getWidth();
  int height = bm.getHeight();
  float scaleWidth = ((float) newWidth) / width;
  float scaleHeight = ((float) newHeight) / height;
  // CREATE A MATRIX FOR THE MANIPULATION
  Matrix matrix = new Matrix();
  // RESIZE THE BIT MAP
  matrix.postScale(scaleWidth, scaleHeight);

  // "RECREATE" THE NEW BITMAP
  Bitmap resizedBitmap = Bitmap.createBitmap(
    bm, 0, 0, width, height, matrix, false);
  bm.recycle();
  return resizedBitmap;
}

代码示例来源：origin: stackoverflow.com

File dir=Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM);
Bitmap b= BitmapFactory.decodeFile(PATH_ORIGINAL_IMAGE);
Bitmap out = Bitmap.createScaledBitmap(b, 320, 480, false);

File file = new File(dir, "resize.png");
FileOutputStream fOut;
try {
  fOut = new FileOutputStream(file);
  out.compress(Bitmap.CompressFormat.PNG, 100, fOut);
  fOut.flush();
  fOut.close();
  b.recycle();
  out.recycle();               
} catch (Exception e) {}

代码示例来源：origin: commonsguy/cw-omnibus

latestBitmap.getWidth() != bitmapWidth ||
  latestBitmap.getHeight() != height) {
 if (latestBitmap != null) {
  latestBitmap.recycle();
 width, height);
cropped.compress(Bitmap.CompressFormat.PNG, 100, baos);

代码示例来源：origin: stackoverflow.com

int iHeight = bm.getHeight();
bigcanvas.drawBitmap(bm, 0, iHeight, paint);
webView.draw(bigcanvas);
    fOut = new FileOutputStream(file);
    bm.compress(Bitmap.CompressFormat.PNG, 50, fOut);
    fOut.flush();
    fOut.close();
    bm.recycle();
  } catch (Exception e) {
    e.printStackTrace();

代码示例来源：origin: jeasonlzy/ImagePicker

/**
 * 将图片按照指定的角度进行旋转
 *
 * @param bitmap 需要旋转的图片
 * @param degree 指定的旋转角度
 * @return 旋转后的图片
 */
public static Bitmap rotateBitmapByDegree(Bitmap bitmap, int degree) {
  // 根据旋转角度，生成旋转矩阵
  Matrix matrix = new Matrix();
  matrix.postRotate(degree);
  // 将原始图片按照旋转矩阵进行旋转，并得到新的图片
  Bitmap newBitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
  if (!bitmap.isRecycled()) {
    bitmap.recycle();
  }
  return newBitmap;
}

代码示例来源：origin: CarGuo/GSYVideoPlayer

public static void saveBitmap(Bitmap bitmap) throws FileNotFoundException {
  if (bitmap != null) {
    File file = new File(FileUtils.getPath(), "GSY-" + System.currentTimeMillis() + ".jpg");
    OutputStream outputStream;
    outputStream = new FileOutputStream(file);
    bitmap.compress(Bitmap.CompressFormat.JPEG, 100, outputStream);
    bitmap.recycle();
  }
}

代码示例来源：origin: JessYanCoding/MVPArms

/**
 * 改变Bitmap的长宽
 *
 * @param bitmap
 * @return
 */
public static Bitmap getReSizeBitmap(Bitmap bitmap, float targetWidth, float targetheight) {
  Bitmap returnBm = null;
  int width = bitmap.getWidth();
  int height = bitmap.getHeight();
  Matrix matrix = new Matrix();
  matrix.postScale(targetWidth / width, targetheight / height); //长和宽放大缩小的比例
  try {
    returnBm = Bitmap.createBitmap(bitmap, 0, 0, width, height, matrix, true);
  } catch (Exception e) {
    e.printStackTrace();
  }
  if (returnBm == null) {
    returnBm = bitmap;
  }
  if (bitmap != returnBm) {
    bitmap.recycle();
  }
  return returnBm;
}

代码示例来源：origin: nostra13/Android-Universal-Image-Loader

@Override
public boolean save(String imageUri, Bitmap bitmap) throws IOException {
  File imageFile = getFile(imageUri);
  File tmpFile = new File(imageFile.getAbsolutePath() + TEMP_IMAGE_POSTFIX);
  OutputStream os = new BufferedOutputStream(new FileOutputStream(tmpFile), bufferSize);
  boolean savedSuccessfully = false;
  try {
    savedSuccessfully = bitmap.compress(compressFormat, compressQuality, os);
  } finally {
    IoUtils.closeSilently(os);
    if (savedSuccessfully && !tmpFile.renameTo(imageFile)) {
      savedSuccessfully = false;
    }
    if (!savedSuccessfully) {
      tmpFile.delete();
    }
  }
  bitmap.recycle();
  return savedSuccessfully;
}

代码示例来源：origin: frogermcs/InstaMaterial

@Override
public Bitmap transform(Bitmap source) {
  int size = Math.min(source.getWidth(), source.getHeight());
  int x = (source.getWidth() - size) / 2;
  int y = (source.getHeight() - size) / 2;
  Bitmap squaredBitmap = Bitmap.createBitmap(source, x, y, size, size);
  if (squaredBitmap != source) {
    source.recycle();
  }
  Bitmap bitmap = Bitmap.createBitmap(size, size, source.getConfig());
  Canvas canvas = new Canvas(bitmap);
  Paint paint = new Paint();
  BitmapShader shader = new BitmapShader(squaredBitmap, BitmapShader.TileMode.CLAMP, BitmapShader.TileMode.CLAMP);
  paint.setShader(shader);
  paint.setAntiAlias(true);
  float r = size / 2f;
  canvas.drawCircle(r, r, r, paint);
  squaredBitmap.recycle();
  return bitmap;
}

代码示例来源：origin: jMonkeyEngine/jmonkeyengine

@Override
public void writeImageFile(OutputStream outStream, String format, ByteBuffer imageData, int width, int height) throws IOException {
  Bitmap bitmapImage = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
  AndroidScreenshots.convertScreenShot(imageData, bitmapImage);
  Bitmap.CompressFormat compressFormat;
  if (format.equals("png")) {
    compressFormat = Bitmap.CompressFormat.PNG;
  } else if (format.equals("jpg")) {
    compressFormat = Bitmap.CompressFormat.JPEG;
  } else {
    throw new UnsupportedOperationException("Only 'png' and 'jpg' formats are supported on Android");
  }
  bitmapImage.compress(compressFormat, 95, outStream);
  bitmapImage.recycle();
}

代码示例来源：origin: pockethub/PocketHub

int width = source.getWidth();
int height = source.getHeight();
canvas.drawBitmap(clipped, 0, 0, paint);
source.recycle();
clipped.recycle();

代码示例来源：origin: bumptech/glide

private static InputStream openBitmapStream(CompressFormat format, int width, int height) {
 Bitmap bitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888);
 ByteArrayOutputStream os = new ByteArrayOutputStream();
 bitmap.compress(format, 100 /*quality*/, os);
 bitmap.recycle();
 byte[] data = os.toByteArray();
 return new ByteArrayInputStream(data);
}

代码示例来源：origin: crazycodeboy/TakePhoto

/**
   * 将图片按照某个角度进行旋转
   *
   * @param bm     需要旋转的图片
   * @param degree 旋转角度
   * @return 旋转后的图片
   */
  private Bitmap rotateBitmapByDegree(Bitmap bm, int degree) {
    Bitmap returnBm = null;

    // 根据旋转角度，生成旋转矩阵
    Matrix matrix = new Matrix();
    matrix.postRotate(degree);
    try {
      // 将原始图片按照旋转矩阵进行旋转，并得到新的图片
      returnBm = Bitmap.createBitmap(bm, 0, 0, bm.getWidth(), bm.getHeight(), matrix, true);
    } catch (OutOfMemoryError e) {
    }
    if (returnBm == null) {
      returnBm = bm;
    }
    if (bm != returnBm) {
      bm.recycle();
    }
    return returnBm;
  }
}

代码示例来源：origin: square/spoon

private static void writeBitmapToFile(Bitmap bitmap, File file) {
 OutputStream fos = null;
 try {
  fos = new BufferedOutputStream(new FileOutputStream(file));
  bitmap.compress(PNG, 100 /* quality */, fos);
  chmodPlusR(file);
 } catch (FileNotFoundException e) {
  throw new RuntimeException("Cannot write screenshot to " + file, e);
 } finally {
  bitmap.recycle();
  if (fos != null) {
   try {
    fos.close();
   } catch (IOException ignored) {
   }
  }
 }
}

代码示例来源：origin: cats-oss/android-gpuimage

private Bitmap scaleBitmap(Bitmap bitmap) {
  // resize to desired dimensions
  int width = bitmap.getWidth();
  int height = bitmap.getHeight();
  int[] newSize = getScaleSize(width, height);
  Bitmap workBitmap = Bitmap.createScaledBitmap(bitmap, newSize[0], newSize[1], true);
  if (workBitmap != bitmap) {
    bitmap.recycle();
    bitmap = workBitmap;
    System.gc();
  }
  if (scaleType == ScaleType.CENTER_CROP) {
    // Crop it
    int diffWidth = newSize[0] - outputWidth;
    int diffHeight = newSize[1] - outputHeight;
    workBitmap = Bitmap.createBitmap(bitmap, diffWidth / 2, diffHeight / 2,
        newSize[0] - diffWidth, newSize[1] - diffHeight);
    if (workBitmap != bitmap) {
      bitmap.recycle();
      bitmap = workBitmap;
    }
  }
  return bitmap;
}

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