1/*
2 * Copyright (c) 2011, 2015, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24package com.sun.hotspot.igv.graal.filters;
25
26import com.sun.hotspot.igv.data.Properties;
27import com.sun.hotspot.igv.filter.AbstractFilter;
28import com.sun.hotspot.igv.graph.Diagram;
29import com.sun.hotspot.igv.graph.Figure;
30import java.awt.Color;
31import java.util.List;
32
33public class GraalColoringFilter extends AbstractFilter {
34
35    private String colorName;
36
37    public GraalColoringFilter(String colorName) {
38        this.colorName = colorName;
39    }
40
41    @Override
42    public String getName() {
43        return "Graal Coloring Filter (" + colorName + ")";
44    }
45
46    @Override
47    public void apply(Diagram d) {
48        List<Figure> figures = d.getFigures();
49        int colors = 0;
50        for (Figure f : figures) {
51            Properties p = f.getProperties();
52            final String prop = p.get(colorName + "Color");
53            if (prop == null) {
54                continue;
55            }
56            try {
57                int color = Integer.parseInt(prop);
58                if (color > colors) {
59                    colors = color;
60                }
61            } catch (NumberFormatException nfe) {
62                // nothing to do
63            }
64        }
65        colors++;
66        for (Figure f : figures) {
67            Properties p = f.getProperties();
68            final String prop = p.get(colorName + "Color");
69            if (prop == null) {
70                continue;
71            }
72            try {
73                int color = Integer.parseInt(prop);
74                Color c = Color.getHSBColor((float) color / colors, 1.0f, 0.7f);
75                f.setColor(c);
76            } catch (NumberFormatException nfe) {
77                // nothing to do
78            }
79        }
80    }
81}
82