Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2009 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Matrix;
import android.graphics.Paint;

public class Main {

    public static Bitmap adjustPhotoRotation(Bitmap bm, final int orientationDegree) {
        Matrix m = new Matrix();
        m.setRotate(orientationDegree, (float) bm.getWidth() / 2, (float) bm.getHeight() / 2);
        float targetX, targetY;
        if (orientationDegree == 90) {
            targetX = bm.getHeight();
            targetY = 0;
        } else {
            targetX = bm.getHeight();
            targetY = bm.getWidth();
        }
        final float[] values = new float[9];
        m.getValues(values);
        float x1 = values[Matrix.MTRANS_X];
        float y1 = values[Matrix.MTRANS_Y];
        m.postTranslate(targetX - x1, targetY - y1);
        Bitmap bm1 = Bitmap.createBitmap(bm.getHeight(), bm.getWidth(), Bitmap.Config.ARGB_8888);
        Paint paint = new Paint();
        Canvas canvas = new Canvas(bm1);
        canvas.drawBitmap(bm, m, paint);
        bm.recycle();
        bm = null;
        return bm1;
    }
}