111 lines
3.6 KiB
Java
111 lines
3.6 KiB
Java
/*
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* Copyright (c) 2005, 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 5027379 8154463
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* @summary This test verifies that outlines are the same for AA and B&W text
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*/
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import java.awt.*;
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import java.awt.font.*;
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import java.awt.geom.*;
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import java.awt.image.*;
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public class OutlineInvarianceTest {
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private static Shape getOutline(Font font, String str, boolean isAA) {
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BufferedImage img = new BufferedImage(400, 400, BufferedImage.TYPE_INT_ARGB);
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Graphics2D gc = (Graphics2D) img.getGraphics();
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if (isAA) {
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gc.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
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} else {
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gc.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
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}
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FontRenderContext frc = gc.getFontRenderContext();
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GlyphVector gv;
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gv = font.layoutGlyphVector(frc, str.toCharArray(), 0, str.length(), 0);
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return gv.getOutline();
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}
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private static boolean compareShapes(Shape s1, Shape s2) {
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if (s1 == null || s2 == null)
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return false;
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PathIterator p1 = s1.getPathIterator(null);
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float coords1[] = {0f, 0f, 0f, 0f, 0f, 0f};
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PathIterator p2 = s2.getPathIterator(null);
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float coords2[] = {0f, 0f, 0f, 0f, 0f, 0f};
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while (!p1.isDone() || !p2.isDone()) {
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if (p1.currentSegment(coords1) != p2.currentSegment(coords2)) {
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System.err.println("Types of segment are different");
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return false;
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}
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for (int i=0; i<6; i++)
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if (coords1[i] != coords2[i]) {
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System.err.println("Coordinate "+i+" are different");
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return false;
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}
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p1.next();
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p2.next();
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}
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if (!(p1.isDone() && p2.isDone())) {
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System.err.println("Length of paths are different");
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}
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return (p1.isDone() && p2.isDone());
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}
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private static void testFont(String family, float sz, String testStr) throws Exception {
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Font f = new Font(family, Font.PLAIN, 1);
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for(int style=1; style<4; style++) {
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f = f.deriveFont(Font.BOLD, sz);
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Shape s1 = getOutline(f, testStr, false);
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Shape s2 = getOutline(f, testStr, true);
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if (!compareShapes(s1, s2))
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throw new Exception("Failed for font " + f);
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}
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}
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public static void main(String[] arg) throws Exception {
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String testStr = "0123456789";
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testFont("MS Gothic", 30.0f, testStr);
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testFont("MS Gothic", 12.0f, testStr);
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testFont("MS Gothic", 7.0f, testStr);
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}
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}
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