/**
* Deposit in the province read images, width is high, the greater the picture clearer, but also
* the memory
*
* @param imagePath Pictures in the path of the memory card
* @param maxWidth The highest limit value target width
* @param maxHeight The highest limit value target height
* @return
*/
public Bitmap readImage(String imagePath, int maxWidth, int maxHeight) {
File imageFile = new File(imagePath);
if (imageFile.exists()) {
try {
BufferedInputStream inputStream = new BufferedInputStream(new FileInputStream(imageFile));
BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
BitmapFactory.decodeStream(inputStream, null, options);
inputStream.close();
int i = 0;
while (true) {
if ((options.outWidth >> i <= maxWidth) && (options.outHeight >> i <= maxHeight)) {
inputStream = new BufferedInputStream(new FileInputStream(new File(imagePath)));
options.inSampleSize = (int) Math.pow(2.0, i);
options.inJustDecodeBounds = false;
Bitmap bitmap = BitmapFactory.decodeStream(inputStream, null, options);
inputStream.close();
return bitmap;
}
i += 1;
}
} catch (IOException e) {
Logger.e("This path does not exist" + imagePath, e);
}
}
return null;
}
