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/*
* Copyright (c) 2020, 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
* @bug 8242004
* @summary Font/Text APIs should handle a non-invertible transform.
*/
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.font.FontRenderContext;
import java.awt.font.GlyphVector;
import java.awt.font.TextLayout;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
public class NonInvertibleTransformTextTest {
public static void main(String[] args) {
// Create a non-invertible transform
AffineTransform at = new AffineTransform(1f, 0.0f, -15, 0.0, -1, -30);
// Test creating a text layout
FontRenderContext frc = new FontRenderContext(at, false, false);
Font font = new Font(Font.DIALOG, Font.PLAIN, 12);
TextLayout tl = new TextLayout("ABC", font, frc);
tl.getOutline(new AffineTransform());
// Test rendering text
BufferedImage bi = new BufferedImage(100, 100,
BufferedImage.TYPE_INT_RGB);
Graphics2D g2d = bi.createGraphics();
g2d.setColor(Color.white);
g2d.fillRect(0,0,100,100);
g2d.setColor(Color.red);
tl.draw(g2d, 50, 50); // first the TextLayout created above
// Now a laid out GlyphVector
Font f = g2d.getFont();
char[] chs = { 'A', 'B', 'C' };
GlyphVector gv = f.layoutGlyphVector(frc, chs, 0, chs.length, 0);
g2d.drawGlyphVector(gv, 20, 20);
// Now under the transform, the basic text drawing calls.
g2d.setTransform(at);
g2d.drawString("ABC", 20, 20);
g2d.drawChars(chs, 0, chs.length, 20, 20);
// And TextLayout again.
tl.draw(g2d, 50, 50);
}
}
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