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 org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  
  public class ScaleTest {
  	@Test
  	public void testScale() {
  		testScale(640, 480, 1.0f, 1.0f);
  		testScale(640, 480, 0.5f, 0.25f);
  	}
  
  	@Test
  	public void testScaleGeneral() {
  		testScaleGeneral(640, 480, 1.0f);
  		testScaleGeneral(640, 480, 0.5f);
  	}
  
  	private void testScale(int inputWidth, int inputHeight, float scaleX, float scaleY) {
  		Bitmap bmp = Bitmap.createBitmap(inputWidth, inputHeight, Bitmap.Config.ARGB_8888);
  		Pix pixs = ReadFile.readBitmap(bmp);
  		Pix pixd = Scale.scale(pixs, scaleX, scaleY);
  
  		assertEquals((int) (inputWidth * scaleX), pixd.getWidth());
  		assertEquals((int) (inputHeight * scaleY), pixd.getHeight());
  
  		bmp.recycle();
  		pixs.recycle();
  		pixd.recycle();
  	}
  
  	private void testScaleGeneral(int inputWidth, int inputHeight, float scale) {
  		Bitmap bmp = Bitmap.createBitmap(inputWidth, inputHeight, Bitmap.Config.ARGB_8888);
  		Pix pixs = ReadFile.readBitmap(bmp);
  		Pix pixd = Scale.scaleWithoutSharpening(pixs, scale);
  
  		assertEquals((int) (inputWidth * scale), pixd.getWidth());
  		assertEquals((int) (inputHeight * scale), pixd.getHeight());
  
  		bmp.recycle();
  		pixs.recycle();
  		pixd.recycle();
  	}
  }
  