1 /*
2 * Copyright (c) 2011, 2013, 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
23 * questions.
24 */
25
26 package test.com.sun.prism;
27
28 import com.sun.javafx.geom.Path2D;
29 import com.sun.javafx.geom.transform.BaseTransform;
30 import com.sun.prism.BasicStroke;
31 import com.sun.prism.BasicStrokeShim;
32 import org.junit.Before;
33 import org.junit.Test;
34 import static org.junit.Assert.*;
35
36 public class StrokedShapeTest {
37
38 BasicStroke stroke;
39 Path2D path;
40
41 @Before
42 public void setUp() {
43 stroke = new BasicStroke();
44 BasicStrokeShim.set_width(stroke, 10);
45 path = new Path2D();
46 path.moveTo(0, 0);
47 }
48
49 @Test
50 public void lineTo() {
51 path.lineTo(10, 0);
52 assertBounds(-5, -5, 15, 5);
53 }
54
55 @Test
56 public void lineTo_cap() {
57 path.lineTo(3, 4);
58 BasicStrokeShim.set_cap(stroke, BasicStroke.CAP_SQUARE);
59 assertBounds(-7, -7, 10, 11);
60 BasicStrokeShim.set_cap(stroke, BasicStroke.CAP_BUTT);
61 assertBounds(-4, -3, 7, 7);
62 BasicStrokeShim.set_cap(stroke, BasicStroke.CAP_ROUND);
63 assertBounds(-5, -5, 8, 9);
64 }
65
66 @Test
67 public void quadTo() {
68 path.quadTo(3, 4, 6, 0);
69 assertBounds(-7, -7, 13, 7);
70 }
71
72 @Test
73 public void quadTo_cap() {
74 path.quadTo(3, 4, 6, 0);
75 BasicStrokeShim.set_cap(stroke, BasicStroke.CAP_SQUARE);
76 assertBounds(-7, -7, 13, 7);
77 BasicStrokeShim.set_cap(stroke, BasicStroke.CAP_BUTT);
78 assertBounds(-4, -3, 10, 7);
79 BasicStrokeShim.set_cap(stroke, BasicStroke.CAP_ROUND);
80 assertBounds(-5, -5, 11, 7);
81 }
82
83 @Test
84 public void curveTo() {
85 path.curveTo(10, 0, 0, 10, 20, 10);
86 assertBounds(-5, -5, 25, 15);
87
88 }
89
90 @Test
91 public void curveTo_cap() {
92 path.curveTo(3, 4, 6, 0, 9, 4);
93 BasicStrokeShim.set_cap(stroke, BasicStroke.CAP_SQUARE);
94 assertBounds(-7, -7, 16, 11);
95 BasicStrokeShim.set_cap(stroke, BasicStroke.CAP_BUTT);
96 assertBounds(-4, -3, 13, 7);
97 BasicStrokeShim.set_cap(stroke, BasicStroke.CAP_ROUND);
98 assertBounds(-5, -5, 14, 9);
99 }
100
101 @Test
102 public void lineLine_join() {
103 BasicStrokeShim.set_cap(stroke, BasicStroke.CAP_ROUND); // for easy computation
104 path.lineTo(3, 4);
105 path.lineTo(6, 0);
106 BasicStrokeShim.set_join(stroke, BasicStroke.JOIN_MITER);
107 assertBounds(-5, -5, 11, 12.33f);
108 BasicStrokeShim.set_join(stroke, BasicStroke.JOIN_BEVEL);
109 assertBounds(-5, -5, 11, 7);
110 BasicStrokeShim.set_join(stroke, BasicStroke.JOIN_ROUND);
111 assertBounds(-5, -5, 11, 9);
112 }
113
114 @Test
115 public void lineQuad_join() {
116 BasicStrokeShim.set_cap(stroke, BasicStroke.CAP_ROUND); // for easy computation
117 path.lineTo(3, 4);
118 path.quadTo(6, 0, 10, 4);
119 BasicStrokeShim.set_join(stroke, BasicStroke.JOIN_MITER);
120 assertBounds(-5, -5, 15, 12.33f);
121 BasicStrokeShim.set_join(stroke, BasicStroke.JOIN_BEVEL);
122 assertBounds(-5, -5, 15, 9); //a better test here? (width accumulates more than join)
123 BasicStrokeShim.set_join(stroke, BasicStroke.JOIN_ROUND);
124 assertBounds(-5, -5, 15, 9);
125 }
126
127
128 @Test
129 public void lineCurve_join() {
130 BasicStrokeShim.set_cap(stroke, BasicStroke.CAP_ROUND); // for easy computation
131 path.lineTo(3, 4);
132 path.curveTo(6, 0, 0, 0, 10, 4);
133 BasicStrokeShim.set_join(stroke, BasicStroke.JOIN_MITER);
134 assertBounds(-5, -5, 15, 12.33f);
135 BasicStrokeShim.set_join(stroke, BasicStroke.JOIN_BEVEL);
136 assertBounds(-5, -5, 15, 9); //a better test here? (width accumulates more than join)
137 BasicStrokeShim.set_join(stroke, BasicStroke.JOIN_ROUND);
138 assertBounds(-5, -5, 15, 9);
139 }
140
141 private void assertBounds(float x0, float y0, float x1, float y1) {
142 float[] bbox = new float[]{0, 0, 0, 0};
143 stroke.accumulateShapeBounds(bbox, path, BaseTransform.IDENTITY_TRANSFORM);
144 assertArrayEquals(new float[]{x0, y0, x1, y1}, bbox, 0.01f);
145 }
146 }