| /******************************************************************************* |
| * Copyright (c) 2018 Remain Software |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * wim.jongman@remainsoftware.com - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.tips.core.internal; |
| |
| /** |
| * Image helper class. |
| * |
| */ |
| public class ImageUtil { |
| |
| /** |
| * Calculate a height that will fit in the proposed rectangle given the passed |
| * aspect ratio. |
| * |
| * @param aspectRatio |
| * the aspect ration, e.g. 1.5 for a 3/2 ratio (width/height). |
| * @param widthHint |
| * the available width in the viewport |
| * @param heightHint |
| * the available height in the viewport |
| * @return the maximum height that will fit in the passed rectangle. |
| */ |
| public static int getHeight(double aspectRatio, int widthHint, int heightHint) { |
| return (int) Math.min(heightHint, widthHint / aspectRatio); |
| } |
| |
| /** |
| * Calculate a width that will fit in the proposed rectangle given the passed |
| * aspect ratio. |
| * |
| * @param aspectRatio |
| * the aspect ration, e.g. 1.5 for a 3/2 ratio (width/height). |
| * @param widthHint |
| * the available width in the viewport |
| * @param heightHint |
| * the available height in the viewport |
| * @return the maximum width that will fit in the rectangle. |
| */ |
| public static int getWidth(double aspectRatio, int widthHint, int heightHint) { |
| return (int) Math.min(widthHint, heightHint * aspectRatio); |
| } |
| } |
