/*
* Copyright 2021 JetBrains s . r . o .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
* or visit www . oracle . com if you need additional information or have any
* questions .
*/
/*
* @ test
* @ key headful
* @ bug 8263583
* @ summary Checks that emoji character has a non - empty and identical
* representation when rendered to different types of images ,
* including an accelerated ( OpenGL or Metal ) surface .
* @ requires ( os . family = = " mac " )
* @ run main / othervm - Dsun . java2d . uiScale = 1 MacEmoji
*/
import java.awt.*;
import java.awt.image.BufferedImage;
import java.awt.image.VolatileImage;
import java.util.List;
public class MacEmoji {
private static final int IMG_WIDTH = 20 ;
private static final int IMG_HEIGHT = 20 ;
public static void main(String[] args) {
GraphicsConfiguration cfg
= GraphicsEnvironment.getLocalGraphicsEnvironment()
.getDefaultScreenDevice().getDefaultConfiguration();
VolatileImage vImg = cfg.createCompatibleVolatileImage(IMG_WIDTH,
IMG_HEIGHT);
BufferedImage refImg;
int attempt = 0 ;
do {
if (++attempt > 10 ) {
throw new RuntimeException("Failed to render to VolatileImage" );
}
if (vImg.validate(cfg) == VolatileImage.IMAGE_INCOMPATIBLE) {
throw new RuntimeException("Unexpected validation failure" );
}
drawEmoji(vImg);
refImg = vImg.getSnapshot();
} while (vImg.contentsLost());
boolean rendered = false ;
for (int x = 0 ; x < IMG_WIDTH; x++) {
for (int y = 0 ; y < IMG_HEIGHT; y++) {
if (refImg.getRGB(x, y) != 0 xFFFFFFFF) {
rendered = true ;
break ;
}
}
}
if (!rendered) {
throw new RuntimeException("Emoji character wasn't rendered" );
}
List<Integer> imageTypes = List.of(
BufferedImage.TYPE_INT_RGB,
BufferedImage.TYPE_INT_ARGB,
BufferedImage.TYPE_INT_ARGB_PRE,
BufferedImage.TYPE_INT_BGR,
BufferedImage.TYPE_3BYTE_BGR,
BufferedImage.TYPE_4BYTE_ABGR,
BufferedImage.TYPE_4BYTE_ABGR_PRE
);
for (Integer type : imageTypes) {
BufferedImage img = new BufferedImage(IMG_WIDTH, IMG_HEIGHT, type);
drawEmoji(img);
for (int x = 0 ; x < IMG_WIDTH; x++) {
for (int y = 0 ; y < IMG_HEIGHT; y++) {
if (refImg.getRGB(x, y) != img.getRGB(x, y)) {
throw new RuntimeException(
"Rendering differs for image type " + type);
}
}
}
}
}
private static void drawEmoji(Image img) {
Graphics g = img.getGraphics();
g.setColor(Color.white);
g.fillRect(0 , 0 , IMG_WIDTH, IMG_HEIGHT);
g.setFont(new Font(Font.DIALOG, Font.PLAIN, 12 ));
g.drawString("\uD83D\uDE00" /* U+1F600 'GRINNING FACE' */, 2, 15);
g.dispose();
}
}
Messung V0.5 in Prozent C=95 H=86 G=90
¤ Dauer der Verarbeitung: 0.4 Sekunden
¤
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