/*
* Copyright 2010 Mario Zechner (contact@badlogicgames.com), Nathan Sweet (admin@esotericsoftware.com), Dave Clayton (contact@redskyforge.com)
*
* 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.badlogic.gdx.backends.android.surfaceview;
import android.view.View;
/**
* This {@link ResolutionStrategy} will maintain a given aspect ratio and stretch the GLSurfaceView to the maximum available screen size.
*
* @author christoph widulle
*/
public class RatioResolutionStrategy implements ResolutionStrategy {
private final float ratio;
public RatioResolutionStrategy(float ratio) {
this.ratio = ratio;
}
public RatioResolutionStrategy(final float width, final float height) {
this.ratio = width / height;
}
@Override
public MeasuredDimension calcMeasures(int widthMeasureSpec, int heightMeasureSpec) {
final int specWidth = View.MeasureSpec.getSize(widthMeasureSpec);
final int specHeight = View.MeasureSpec.getSize(heightMeasureSpec);
final float desiredRatio = ratio;
final float realRatio = (float) specWidth / specHeight;
int width;
int height;
if (realRatio < desiredRatio) {
width = specWidth;
height = Math.round(width / desiredRatio);
} else {
height = specHeight;
width = Math.round(height * desiredRatio);
}
return new MeasuredDimension(width, height);
}
}
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