001/* 002 * SVG Salamander 003 * Copyright (c) 2004, Mark McKay 004 * All rights reserved. 005 * 006 * Redistribution and use in source and binary forms, with or 007 * without modification, are permitted provided that the following 008 * conditions are met: 009 * 010 * - Redistributions of source code must retain the above 011 * copyright notice, this list of conditions and the following 012 * disclaimer. 013 * - Redistributions in binary form must reproduce the above 014 * copyright notice, this list of conditions and the following 015 * disclaimer in the documentation and/or other materials 016 * provided with the distribution. 017 * 018 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 019 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 020 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 021 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 022 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 023 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 025 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 026 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 027 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 028 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 029 * OF THE POSSIBILITY OF SUCH DAMAGE. 030 * 031 * Mark McKay can be contacted at mark@kitfox.com. Salamander and other 032 * projects can be found at http://www.kitfox.com 033 * 034 * Created on February 20, 2004, 12:29 PM 035 */ 036 037package com.kitfox.svg; 038 039import javax.swing.*; 040import java.awt.*; 041import java.awt.geom.*; 042import java.util.logging.Level; 043import java.util.logging.Logger; 044 045/** 046 * @author Mark McKay 047 * @author <a href="mailto:mark@kitfox.com">Mark McKay</a> 048 */ 049public class SVGDisplayPanel extends javax.swing.JPanel implements Scrollable 050{ 051 public static final long serialVersionUID = 1; 052 053 SVGDiagram diagram = null; 054 float scale = 1f; 055 Color bgColor = null; 056 057 /** Creates new form SVGDisplayPanel */ 058 public SVGDisplayPanel() 059 { 060 initComponents(); 061 } 062 063 public SVGDiagram getDiagram() 064 { 065 return diagram; 066 } 067 068 public void setDiagram(SVGDiagram diagram) 069 { 070 this.diagram = diagram; 071 diagram.setDeviceViewport(getBounds()); 072 073 setDimension(); 074 } 075 076 public void setScale(float scale) 077 { 078 this.scale = scale; 079 setDimension(); 080 } 081 082 public void setBgColor(Color col) 083 { 084 bgColor = col; 085 } 086 087 private void setDimension() 088 { 089 if (diagram == null) 090 { 091 setPreferredSize(new Dimension(1, 1)); 092 revalidate(); 093 return; 094 } 095 096 final Rectangle2D.Float rect = new Rectangle2D.Float(); 097 diagram.getViewRect(rect); 098 099 int w = (int)(rect.width * scale); 100 int h = (int)(rect.height * scale); 101 102 setPreferredSize(new Dimension(w, h)); 103 revalidate(); 104 } 105 106 /** 107 * Update this image to reflect the passed time 108 * @param curTime 109 * @throws com.kitfox.svg.SVGException 110 */ 111 public void updateTime(double curTime) throws SVGException 112 { 113 if (diagram == null) return; 114 115 diagram.updateTime(curTime); 116 } 117 118 @Override 119 public void paintComponent(Graphics gg) 120 { 121 Graphics2D g = (Graphics2D)gg; 122 123 if (bgColor != null) 124 { 125 Dimension dim = getSize(); 126 g.setColor(bgColor); 127 g.fillRect(0, 0, dim.width, dim.height); 128 } 129 130 g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); 131 g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY); 132 if (diagram != null) 133 { 134 try 135 { 136 diagram.render(g); 137 } 138 catch (SVGException e) 139 { 140 Logger.getLogger(SVGConst.SVG_LOGGER).log(Level.WARNING, 141 "Could not render diagram", e); 142 } 143 } 144 } 145 146 /** This method is called from within the constructor to 147 * initialize the form. 148 * WARNING: Do NOT modify this code. The content of this method is 149 * always regenerated by the Form Editor. 150 */ 151 // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents 152 private void initComponents() 153 { 154 155 setLayout(new java.awt.BorderLayout()); 156 157 addComponentListener(new java.awt.event.ComponentAdapter() 158 { 159 @Override 160 public void componentResized(java.awt.event.ComponentEvent evt) 161 { 162 formComponentResized(evt); 163 } 164 }); 165 166 }// </editor-fold>//GEN-END:initComponents 167 168 private void formComponentResized(java.awt.event.ComponentEvent evt)//GEN-FIRST:event_formComponentResized 169 {//GEN-HEADEREND:event_formComponentResized 170 if (diagram != null) 171 { 172 diagram.setDeviceViewport(getBounds()); 173 setDimension(); 174 } 175 176 }//GEN-LAST:event_formComponentResized 177 178 public Dimension getPreferredScrollableViewportSize() 179 { 180 return getPreferredSize(); 181 } 182 183 public int getScrollableBlockIncrement(Rectangle visibleRect, int orientation, int direction) 184 { 185 if (orientation == SwingConstants.HORIZONTAL) 186 { 187 return visibleRect.width; 188 } 189 else return visibleRect.height; 190 } 191 192 public boolean getScrollableTracksViewportHeight() 193 { 194 return false; 195 } 196 197 public boolean getScrollableTracksViewportWidth() 198 { 199 return false; 200 } 201 202 public int getScrollableUnitIncrement(Rectangle visibleRect, int orientation, int direction) 203 { 204 return getScrollableBlockIncrement(visibleRect, orientation, direction) / 16; 205 } 206 207 208 // Variables declaration - do not modify//GEN-BEGIN:variables 209 // End of variables declaration//GEN-END:variables 210 211}