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/*
* 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) != 0xFFFFFFFF) {
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();
}
}
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