/*
* Copyright 2000-2013 JetBrains s.r.o.
*
* 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.intellij.util;
import com.intellij.openapi.util.SystemInfo;
import com.intellij.util.ui.UIUtil;
import org.jetbrains.annotations.NotNull;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.awt.image.ImageObserver;
/**
* @author Anton Makeev
* @author Konstantin Bulenkov
*/
public class RetinaImage { // [tav] todo: create HiDPIImage class
/**
* Creates a Retina-aware wrapper over a raw image.
* The raw image should be provided in scale of the Retina default scale factor (2x).
* The wrapper will represent the raw image in the user coordinate space.
*
* @param image the raw image
* @return the Retina-aware wrapper
*/
public static Image createFrom(Image image) {
return createFrom(image, 2, ImageLoader.ourComponent);
}
/**
* @deprecated use {@link #createFrom(Image, float, ImageObserver)} instead
*/
@NotNull
public static Image createFrom(Image image, final int scale, ImageObserver observer) {
return createFrom(image, (float)scale, observer);
}
/**
* Creates a Retina-aware wrapper over a raw image.
* The raw image should be provided in the specified scale.
* The wrapper will represent the raw image in the user coordinate space.
*
* @param image the raw image
* @param scale the raw image scale
* @param observer the raw image observer
* @return the Retina-aware wrapper
*/
@NotNull
public static Image createFrom(Image image, final float scale, ImageObserver observer) {
int w = image.getWidth(observer);
int h = image.getHeight(observer);
Image hidpi = new JBHiDPIScaledImage(image, (int)(w / scale), (int)(h / scale), BufferedImage.TYPE_INT_ARGB);
if (SystemInfo.isAppleJvm) {
Graphics2D g = (Graphics2D)hidpi.getGraphics();
g.scale(1f / scale, 1f / scale);
g.drawImage(image, 0, 0, null);
g.dispose();
}
return hidpi;
}
@NotNull
public static BufferedImage create(final int width, int height, int type) {
return new JBHiDPIScaledImage(width, height, type);
}
@NotNull
public static BufferedImage create(Graphics2D g, final int width, int height, int type) {
return new JBHiDPIScaledImage(g, width, height, type);
}
@NotNull
public static BufferedImage create(GraphicsConfiguration gc, final int width, int height, int type) {
return new JBHiDPIScaledImage(gc, width, height, type);
}
public static boolean isAppleHiDPIScaledImage(Image image) {
return UIUtil.isAppleRetina() && AppleHiDPIScaledImage.is(image);
}
}