/* * Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved. * 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 8266159 * @summary Test to detect regression in pixel drawing. * A small circle is drawn and boundary pixels are compared to expected pixels. * Note : this test is specifically written for uiScale=1.0 * @run main/othervm -Dsun.java2d.uiScale=1.0 DrawOvalTest
*/
do {
vi.validate(gc);
render(g2);
snapshot = vi.getSnapshot();
} while (vi.contentsLost());
// Pixel color sequence expected after test rendering is complete // Blue color = -16776961 // Red color = -65536 int sequence[] = {
-16776961,
-16776961,
-16776961,
-65536,
-65536,
-65536,
-65536,
-16776961,
-16776961,
-16776961
};
// Test the color of pixels at the image boundary for (int i = 0; i < snapshot.getWidth(); i++) {
// Test first row, last row, first column and last column if ( snapshot.getRGB(i, 0) != sequence[i] ||
snapshot.getRGB(i, 9) != sequence[i] ||
snapshot.getRGB(0, i) != sequence[i] ||
snapshot.getRGB(9, i) != sequence[i] ) {
ImageIO.write(snapshot, "png", new File("DrawOvalTest_snapshot.png")); thrownew RuntimeException("Test failed.");
}
}
}
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.