1 /*
2 * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
47 * filling path, an anti-aliasing fill pipe needs to
48 * be invoked.
49 * This involves making some of the same decisions as in the
50 * validatePipe call, which may be in a SurfaceData subclass, so
51 * its awkward to always ensure that the correct pipe is used.
52 * The easiest thing, rather than reproducing much of that logic
53 * is to call validatePipe() which works but is expensive, although
54 * probably not compared to the cost of filling the path.
55 * Note if AA hint is ON but text-AA hint is OFF this logic will
56 * produce AA text which perhaps isn't what the user expected.
57 * Note that the glyphvector obeys its FRC, not the G2D.
58 */
59
60 public class OutlineTextRenderer implements TextPipe {
61
62 // Text with a height greater than the threshhold will be
63 // drawn via this pipe.
64 public static final int THRESHHOLD = 100;
65
66 public void drawChars(SunGraphics2D g2d,
67 char data[], int offset, int length,
68 int x, int y) {
69
70 String s = new String(data, offset, length);
71 drawString(g2d, s, x, y);
72 }
73
74 public void drawString(SunGraphics2D g2d, String str, double x, double y) {
75
76 if ("".equals(str)) {
77 return; // TextLayout constructor throws IAE on "".
78 }
79 TextLayout tl = new TextLayout(str, g2d.getFont(),
80 g2d.getFontRenderContext());
81 Shape s = tl.getOutline(AffineTransform.getTranslateInstance(x, y));
82
83 int textAAHint = g2d.getFontInfo().aaHint;
84
85 int prevaaHint = - 1;
86 if (textAAHint != SunHints.INTVAL_TEXT_ANTIALIAS_OFF &&
87 g2d.antialiasHint != SunHints.INTVAL_ANTIALIAS_ON) {
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1 /*
2 * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
47 * filling path, an anti-aliasing fill pipe needs to
48 * be invoked.
49 * This involves making some of the same decisions as in the
50 * validatePipe call, which may be in a SurfaceData subclass, so
51 * its awkward to always ensure that the correct pipe is used.
52 * The easiest thing, rather than reproducing much of that logic
53 * is to call validatePipe() which works but is expensive, although
54 * probably not compared to the cost of filling the path.
55 * Note if AA hint is ON but text-AA hint is OFF this logic will
56 * produce AA text which perhaps isn't what the user expected.
57 * Note that the glyphvector obeys its FRC, not the G2D.
58 */
59
60 public class OutlineTextRenderer implements TextPipe {
61
62 // Text with a height greater than the threshhold will be
63 // drawn via this pipe.
64 public static final int THRESHHOLD = 100;
65
66 public void drawChars(SunGraphics2D g2d,
67 char[] data, int offset, int length,
68 int x, int y) {
69
70 String s = new String(data, offset, length);
71 drawString(g2d, s, x, y);
72 }
73
74 public void drawString(SunGraphics2D g2d, String str, double x, double y) {
75
76 if ("".equals(str)) {
77 return; // TextLayout constructor throws IAE on "".
78 }
79 TextLayout tl = new TextLayout(str, g2d.getFont(),
80 g2d.getFontRenderContext());
81 Shape s = tl.getOutline(AffineTransform.getTranslateInstance(x, y));
82
83 int textAAHint = g2d.getFontInfo().aaHint;
84
85 int prevaaHint = - 1;
86 if (textAAHint != SunHints.INTVAL_TEXT_ANTIALIAS_OFF &&
87 g2d.antialiasHint != SunHints.INTVAL_ANTIALIAS_ON) {
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