找到最终保存照片的方法 saveDataToStorage()
vendor\mediatek\proprietary\packages\apps\Camera2\common\src\com\mediatek\camera\common\storage\MediaSaver.java
增加 rotatePicture() 方法
private void saveDataToStorage(Request request) {
LogHelper.d(TAG, "[saveDataToStorage]+");
if (request.mData == null) {
LogHelper.w(TAG, "data is null,return!");
return;
}
if (request.mFilePath == null && request.mValues != null) {
LogHelper.d(TAG, "get filePath from contentValues.");
request.mFilePath = request.mValues.getAsString(ImageColumns.DATA);
}
if (request.mFilePath == null) {
LogHelper.w(TAG, "filePath is null, return");
return;
}
String tempFilePath = request.mFilePath + TEMP_SUFFIX;
if (request.mType == HeifHelper.FORMAT_HEIF) {
int width = request.mValues.getAsInteger(ImageColumns.WIDTH).intValue();
int height = request.mValues.getAsInteger(ImageColumns.HEIGHT).intValue();
int orientation = request.mValues.getAsInteger(ImageColumns.ORIENTATION).intValue();
HeifHelper.saveData(request.mData, width, height, orientation, request.mFilePath);
LogHelper.d(TAG, "[saveDataToStorage]-");
return;
}
FileOutputStream out = null;
try {
// Write to a temporary file and rename it to the final name.
// This
// avoids other apps reading incomplete data.
LogHelper.d(TAG, "save the data to SD Card");
out = new FileOutputStream(tempFilePath);
out.write(request.mData);
out.close();
new File(tempFilePath).renameTo(new File(request.mFilePath));
rotatePicture(request.mFilePath);
} catch (IOException e) {
LogHelper.e(TAG, "Failed to write image,ex:", e);
} finally {
if (out != null) {
try {
out.close();
} catch (IOException e) {
LogHelper.e(TAG, "IOException:", e);
}
}
}
LogHelper.d(TAG, "[saveDataToStorage]-");
}
private void rotatePicture(String mFilePath){
LogHelper.d(TAG, "[rotatePicture]-"+mFilePath);
Bitmap picture = BitmapFactory.decodeFile(mFilePath);
Matrix matrix = new Matrix();
matrix.postRotate(270);\\旋转
matrix.postScale(-1, 1);\\水平镜像
Bitmap resizeBitmap = Bitmap.createBitmap(picture, 0, 0,
picture.getWidth(), picture.getHeight(), matrix, true);
File file = new File(mFilePath);
java.io.OutputStream outputStream = null;
try {
outputStream = new FileOutputStream(file);
resizeBitmap.compress(Bitmap.CompressFormat.JPEG, 100, outputStream);
} catch (Exception e) {
e.printStackTrace();
} finally {
if (outputStream != null) {
try {
outputStream.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
