content: /*
   * Copyright (C) 2019 Adaptech s.r.o., Robert Pösel
   * Copyright (C) 2011 Google Inc.
   *
   * 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.
   */
  
  package com.googlecode.leptonica.android;
  
  import android.graphics.Bitmap;
  import android.graphics.Canvas;
  import android.graphics.Color;
  import android.graphics.Paint;
  import android.graphics.Paint.Style;
  
  import org.junit.Test;
  
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertTrue;
  
  public class RotateTest {
  	@Test
  	public void testRotate() {
  		Bitmap bmp = Bitmap.createBitmap(100, 100, Bitmap.Config.ARGB_8888);
  		Canvas canvas = new Canvas(bmp);
  		Paint paint = new Paint();
  
  		// Paint the background white
  		canvas.drawColor(Color.WHITE);
  
  		// Paint a black circle in the center
  		paint.setColor(Color.BLACK);
  		paint.setStyle(Style.FILL);
  		canvas.drawCircle(50, 50, 10, paint);
  
  		Pix pixs = ReadFile.readBitmap(bmp);
  		Pix pixd = Rotate.rotate(pixs, 180);
  		pixs.recycle();
  
  		Bitmap rotated = WriteFile.writeBitmap(pixd);
  		pixd.recycle();
  
  		assertNotNull(rotated);
  
  		float match = TestUtils.compareBitmaps(bmp, rotated);
  		bmp.recycle();
  		rotated.recycle();
  
  		assertTrue("Bitmaps do not match.", (match > 0.99f));
  	}
  
  	@Test
  	public void testRotateOrth() {
  		Bitmap bmp = Bitmap.createBitmap(100, 100, Bitmap.Config.ARGB_8888);
  		Canvas canvas = new Canvas(bmp);
  		Paint paint = new Paint();
  
  		// Paint the background white
  		canvas.drawColor(Color.WHITE);
  
  		// Paint a black circle in the center
  		paint.setColor(Color.BLACK);
  		paint.setStyle(Style.FILL);
  		canvas.drawCircle(50, 50, 10, paint);
  
  		Pix pixs = ReadFile.readBitmap(bmp);
  		Pix pixd = Rotate.rotateOrth(pixs, 1);
  		pixs.recycle();
  
  		Bitmap rotated = WriteFile.writeBitmap(pixd);
  		pixd.recycle();
  
  		assertNotNull(rotated);
  
  		float match = TestUtils.compareBitmaps(bmp, rotated);
  		bmp.recycle();
  		rotated.recycle();
  
  		assertTrue("Bitmaps do not match.", (match > 0.99f));
  	}
  
  	@Test
  	public void testRotateResize() {
  		Bitmap bmp = Bitmap.createBitmap(100, 10, Bitmap.Config.ARGB_8888);
  		Canvas canvas = new Canvas(bmp);
  		Paint paint = new Paint();
  
  		// Paint the background white
  		canvas.drawColor(Color.BLACK);
  
  		// Paint a black circle in the center
  		paint.setColor(Color.BLACK);
  		paint.setStyle(Style.FILL);
  		canvas.drawCircle(50, 50, 10, paint);
  
  		Pix pixs = ReadFile.readBitmap(bmp);
  		Pix pixd = Rotate.rotate(pixs, 180);
  		pixs.recycle();
  		bmp.recycle();
  
  		assertTrue("Rotated width is not 100.", (pixd.getWidth() == 100));
  		pixd.recycle();
  	}
  }