001 /* 002 * Sonar, open source software quality management tool. 003 * Copyright (C) 2008-2011 SonarSource 004 * mailto:contact AT sonarsource DOT com 005 * 006 * Sonar is free software; you can redistribute it and/or 007 * modify it under the terms of the GNU Lesser General Public 008 * License as published by the Free Software Foundation; either 009 * version 3 of the License, or (at your option) any later version. 010 * 011 * Sonar is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 * Lesser General Public License for more details. 015 * 016 * You should have received a copy of the GNU Lesser General Public 017 * License along with Sonar; if not, write to the Free Software 018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02 019 */ 020 package org.sonar.server.charts.deprecated; 021 022 import org.jfree.chart.JFreeChart; 023 import org.jfree.chart.encoders.KeypointPNGEncoderAdapter; 024 import org.jfree.chart.title.LegendTitle; 025 import org.jfree.chart.title.TextTitle; 026 import org.jfree.ui.RectangleEdge; 027 028 import java.awt.*; 029 import java.awt.image.BufferedImage; 030 import java.io.ByteArrayOutputStream; 031 import java.io.IOException; 032 import java.io.OutputStream; 033 034 public abstract class BaseChart { 035 036 public static final Color BASE_COLOR = new Color(51, 51, 51); 037 public static final Color BASE_COLOR_LIGHT = new Color(204, 204, 204); 038 public static final Color SERIE_BORDER_COLOR = new Color(67, 119, 166); 039 040 public static final Color[] COLORS = {new Color(5, 141, 199), new Color(80,180,50),new Color(237,86,27), new Color(237,239,0), new Color(36,203,229), new Color(100,229,114), new Color(255,150,85)}; 041 042 public static final int FONT_SIZE = 13; 043 044 private int width; 045 private int height; 046 047 protected BaseChart(int width, int height) { 048 this.width = width; 049 this.height = height; 050 } 051 052 public int getWidth() { 053 return width; 054 } 055 056 public int getHeight() { 057 return height; 058 } 059 060 public void setWidth(int width) { 061 this.width = width; 062 } 063 064 public void setHeight(int height) { 065 this.height = height; 066 } 067 068 protected Font getFont() { 069 return new Font("SansSerif", Font.PLAIN, FONT_SIZE); 070 } 071 072 protected void configureChart(JFreeChart chart, boolean displayLegend) { 073 if (displayLegend) { 074 configureChart(chart, RectangleEdge.BOTTOM); 075 } else { 076 configureChart(chart, null); 077 } 078 } 079 080 protected void configureChart(JFreeChart chart, RectangleEdge legendPosition) { 081 chart.setBackgroundPaint(new Color(255, 255, 255, 0)); 082 chart.setBackgroundImageAlpha(0.0f); 083 chart.setBorderVisible(false); 084 chart.setAntiAlias(true); 085 chart.setTextAntiAlias(true); 086 087 chart.removeLegend(); 088 if (legendPosition != null) { 089 LegendTitle legend = new LegendTitle(chart.getPlot()); 090 legend.setPosition(legendPosition); 091 legend.setItemPaint(BASE_COLOR); 092 chart.addSubtitle(legend); 093 } 094 } 095 096 protected void configureChartTitle(JFreeChart chart, String title) { 097 if (title != null && title.length() > 0) { 098 TextTitle textTitle = new TextTitle(title); 099 chart.setTitle(textTitle); 100 } 101 } 102 103 protected abstract BufferedImage getChartImage() throws IOException; 104 105 protected BufferedImage getBufferedImage(JFreeChart chart) { 106 return chart.createBufferedImage(getWidth(), getHeight(), Transparency.BITMASK, null); 107 } 108 109 public void exportChartAsPNG(OutputStream out) throws IOException { 110 KeypointPNGEncoderAdapter encoder = new KeypointPNGEncoderAdapter(); 111 encoder.setEncodingAlpha(true); 112 encoder.encode(getChartImage(), out); 113 } 114 115 public byte[] exportChartAsPNG() throws IOException { 116 ByteArrayOutputStream output = new ByteArrayOutputStream(); 117 try { 118 exportChartAsPNG(output); 119 } finally { 120 output.close(); 121 } 122 return output.toByteArray(); 123 } 124 125 protected BasicStroke getDashedStroke() { 126 return getDashedStroke(1f); 127 } 128 129 protected BasicStroke getDashedStroke(float width) { 130 return new BasicStroke(width, 131 BasicStroke.CAP_BUTT, 132 BasicStroke.JOIN_MITER, 133 10.0f, new float[]{5.0f}, 0.0f); 134 } 135 }