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89 lines
2.7 KiB
89 lines
2.7 KiB
5 years ago
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/*
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* Copyright 2000-2014 JetBrains s.r.o.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.bulenkov.iconloader;
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import com.bulenkov.iconloader.util.SystemInfo;
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import com.bulenkov.iconloader.util.UIUtil;
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import java.awt.*;
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import java.awt.image.BufferedImage;
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import java.awt.image.ImageObserver;
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/**
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* @author Konstantin Bulenkov
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*/
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public class RetinaImage {
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/**
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* Creates a Retina-aware wrapper over a raw image.
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* The raw image should be provided in scale of the Retina default scale factor (2x).
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* The wrapper will represent the raw image in the user coordinate space.
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*
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* @param image the raw image
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* @return the Retina-aware wrapper
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*/
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public static Image createFrom(Image image) {
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return createFrom(image, 2, IconLoader.ourComponent);
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}
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/**
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* Creates a Retina-aware wrapper over a raw image.
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* The raw image should be provided in the specified scale.
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* The wrapper will represent the raw image in the user coordinate space.
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*
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* @param image the raw image
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* @param scale the raw image scale
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* @param observer the raw image observer
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* @return the Retina-aware wrapper
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*/
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public static Image createFrom(Image image, final int scale, ImageObserver observer) {
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int w = image.getWidth(observer);
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int h = image.getHeight(observer);
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Image hidpi = create(image, w / scale, h / scale, BufferedImage.TYPE_INT_ARGB);
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if (SystemInfo.isAppleJvm) {
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Graphics2D g = (Graphics2D)hidpi.getGraphics();
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g.scale(1f / scale, 1f / scale);
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g.drawImage(image, 0, 0, null);
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g.dispose();
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}
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return hidpi;
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}
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public static BufferedImage create(final int width, int height, int type) {
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return create(null, width, height, type);
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}
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private static BufferedImage create(Image image, final int width, int height, int type) {
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if (SystemInfo.isAppleJvm) {
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return AppleHiDPIScaledImage.create(width, height, type);
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} else {
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if (image == null) {
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return new JBHiDPIScaledImage(width, height, type);
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} else {
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return new JBHiDPIScaledImage(image, width, height, type);
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}
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}
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}
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public static boolean isAppleHiDPIScaledImage(Image image) {
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return UIUtil.isAppleRetina() && AppleHiDPIScaledImage.is(image);
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}
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}
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