88 lines
2.9 KiB
Java
88 lines
2.9 KiB
Java
/*
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* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8204929
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* @summary test rotation of font with embedded bitmaps
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* @run main GlyphRotationTest
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*/
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import java.awt.Color;
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import java.awt.Font;
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import java.awt.Graphics2D;
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import java.awt.geom.AffineTransform;
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import java.awt.image.BufferedImage;
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import javax.imageio.ImageIO;
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public class GlyphRotationTest {
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public static final String fontName = "MS UI Gothic";
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public static Font font;
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public static final int SZ = 50;
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public static void main(String[] args) {
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font = new Font(fontName, Font.PLAIN, 15);
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if (!font.getFamily(java.util.Locale.ENGLISH).equals(fontName)) {
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return;
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}
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BufferedImage bi = new BufferedImage(SZ,SZ,BufferedImage.TYPE_INT_RGB);
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Graphics2D g2d = bi.createGraphics();
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g2d.setColor(Color.white);
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g2d.fillRect(0, 0, SZ, SZ);
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g2d.setColor(Color.black);
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g2d.setFont(font);
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g2d.drawString("1", SZ/2, SZ/2);
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int pixCnt1 = countPixels(bi);
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AffineTransform at = AffineTransform.getRotateInstance(Math.PI/2);
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font = font.deriveFont(Font.PLAIN, at);
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g2d.setFont(font);
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g2d.drawString("1", SZ/2, SZ/2);
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int pixCnt2 = countPixels(bi);
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if (args.length > 0) {
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try {
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ImageIO.write(bi, "png", new java.io.File("im.png"));
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} catch (Exception e) {}
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}
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if (pixCnt1 == pixCnt2) {
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String msg = "cnt 1 = " + pixCnt1 + " cnt 2 = " + pixCnt2;
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throw new RuntimeException(msg);
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}
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}
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static int countPixels(BufferedImage bi) {
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int cnt = 0;
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int w = bi.getWidth(null);
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int h = bi.getHeight(null);
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for (int i=0; i<w; i++) {
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for (int j=0; j<w; j++) {
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int rgb = bi.getRGB(i, j) & 0xFFFFFF;
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if (rgb == 0) {
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cnt++;
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}
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}
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}
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return cnt;
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}
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}
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