📄 categoryaxis3d.html
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<HTML><BODY BGCOLOR="white"><PRE><FONT color="green">001</FONT> /* ===========================================================<a name="line.1"></a><FONT color="green">002</FONT> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a><FONT color="green">003</FONT> * ===========================================================<a name="line.3"></a><FONT color="green">004</FONT> *<a name="line.4"></a><FONT color="green">005</FONT> * (C) Copyright 2000-2006, by Object Refinery Limited and Contributors.<a name="line.5"></a><FONT color="green">006</FONT> *<a name="line.6"></a><FONT color="green">007</FONT> * Project Info: http://www.jfree.org/jfreechart/index.html<a name="line.7"></a><FONT color="green">008</FONT> *<a name="line.8"></a><FONT color="green">009</FONT> * This library is free software; you can redistribute it and/or modify it <a name="line.9"></a><FONT color="green">010</FONT> * under the terms of the GNU Lesser General Public License as published by <a name="line.10"></a><FONT color="green">011</FONT> * the Free Software Foundation; either version 2.1 of the License, or <a name="line.11"></a><FONT color="green">012</FONT> * (at your option) any later version.<a name="line.12"></a><FONT color="green">013</FONT> *<a name="line.13"></a><FONT color="green">014</FONT> * This library is distributed in the hope that it will be useful, but <a name="line.14"></a><FONT color="green">015</FONT> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY <a name="line.15"></a><FONT color="green">016</FONT> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public <a name="line.16"></a><FONT color="green">017</FONT> * License for more details.<a name="line.17"></a><FONT color="green">018</FONT> *<a name="line.18"></a><FONT color="green">019</FONT> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a><FONT color="green">020</FONT> * License along with this library; if not, write to the Free Software<a name="line.20"></a><FONT color="green">021</FONT> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, <a name="line.21"></a><FONT color="green">022</FONT> * USA. <a name="line.22"></a><FONT color="green">023</FONT> *<a name="line.23"></a><FONT color="green">024</FONT> * [Java is a trademark or registered trademark of Sun Microsystems, Inc. <a name="line.24"></a><FONT color="green">025</FONT> * in the United States and other countries.]<a name="line.25"></a><FONT color="green">026</FONT> *<a name="line.26"></a><FONT color="green">027</FONT> * -------------------<a name="line.27"></a><FONT color="green">028</FONT> * CategoryAxis3D.java<a name="line.28"></a><FONT color="green">029</FONT> * -------------------<a name="line.29"></a><FONT color="green">030</FONT> * (C) Copyright 2003-2006, by Klaus Rheinwald and Contributors.<a name="line.30"></a><FONT color="green">031</FONT> *<a name="line.31"></a><FONT color="green">032</FONT> * Original Author: Klaus Rheinwald;<a name="line.32"></a><FONT color="green">033</FONT> * Contributor(s): Tin Luu,<a name="line.33"></a><FONT color="green">034</FONT> * David Gilbert (for Object Refinery Limited);<a name="line.34"></a><FONT color="green">035</FONT> * Adriaan Joubert;<a name="line.35"></a><FONT color="green">036</FONT> *<a name="line.36"></a><FONT color="green">037</FONT> * Changes<a name="line.37"></a><FONT color="green">038</FONT> * -------<a name="line.38"></a><FONT color="green">039</FONT> * 19-Feb-2003 : File creation;<a name="line.39"></a><FONT color="green">040</FONT> * 21-Mar-2003 : Added to JFreeChart CVS, see bug id 685501 for code <a name="line.40"></a><FONT color="green">041</FONT> * contribution from KR (DG);<a name="line.41"></a><FONT color="green">042</FONT> * 26-Mar-2003 : Implemented Serializable (DG);<a name="line.42"></a><FONT color="green">043</FONT> * 13-May-2003 : Renamed HorizontalCategoryAxis3D --> CategoryAxis3D, and <a name="line.43"></a><FONT color="green">044</FONT> * modified to take into account the plot orientation (DG);<a name="line.44"></a><FONT color="green">045</FONT> * 14-Aug-2003 : Implemented Cloneable (DG);<a name="line.45"></a><FONT color="green">046</FONT> * 21-Aug-2003 : Fixed draw() method bugs (DG);<a name="line.46"></a><FONT color="green">047</FONT> * 22-Mar-2004 : Added workaround for bug 920959 (null pointer exception with <a name="line.47"></a><FONT color="green">048</FONT> * no renderer) (DG);<a name="line.48"></a><FONT color="green">049</FONT> * ------------- JFREECHART 1.0.0 ---------------------------------------------<a name="line.49"></a><FONT color="green">050</FONT> * 18-Aug-2006 : Fix for bug drawing category labels, thanks to Adriaan<a name="line.50"></a><FONT color="green">051</FONT> * Joubert (1277726) (DG);<a name="line.51"></a><FONT color="green">052</FONT> *<a name="line.52"></a><FONT color="green">053</FONT> */<a name="line.53"></a><FONT color="green">054</FONT> <a name="line.54"></a><FONT color="green">055</FONT> package org.jfree.chart.axis;<a name="line.55"></a><FONT color="green">056</FONT> <a name="line.56"></a><FONT color="green">057</FONT> import java.awt.Graphics2D;<a name="line.57"></a><FONT color="green">058</FONT> import java.awt.geom.Rectangle2D;<a name="line.58"></a><FONT color="green">059</FONT> import java.io.Serializable;<a name="line.59"></a><FONT color="green">060</FONT> <a name="line.60"></a><FONT color="green">061</FONT> import org.jfree.chart.Effect3D;<a name="line.61"></a><FONT color="green">062</FONT> import org.jfree.chart.plot.CategoryPlot;<a name="line.62"></a><FONT color="green">063</FONT> import org.jfree.chart.plot.PlotRenderingInfo;<a name="line.63"></a><FONT color="green">064</FONT> import org.jfree.chart.renderer.category.CategoryItemRenderer;<a name="line.64"></a><FONT color="green">065</FONT> import org.jfree.ui.RectangleEdge;<a name="line.65"></a><FONT color="green">066</FONT> <a name="line.66"></a><FONT color="green">067</FONT> /**<a name="line.67"></a><FONT color="green">068</FONT> * An axis that displays categories and has a 3D effect.<a name="line.68"></a><FONT color="green">069</FONT> * Used for bar charts and line charts.<a name="line.69"></a><FONT color="green">070</FONT> */<a name="line.70"></a><FONT color="green">071</FONT> public class CategoryAxis3D extends CategoryAxis <a name="line.71"></a><FONT color="green">072</FONT> implements Cloneable, Serializable {<a name="line.72"></a><FONT color="green">073</FONT> <a name="line.73"></a><FONT color="green">074</FONT> /** For serialization. */<a name="line.74"></a><FONT color="green">075</FONT> private static final long serialVersionUID = 4114732251353700972L;<a name="line.75"></a><FONT color="green">076</FONT> <a name="line.76"></a><FONT color="green">077</FONT> /**<a name="line.77"></a><FONT color="green">078</FONT> * Creates a new axis.<a name="line.78"></a><FONT color="green">079</FONT> */<a name="line.79"></a><FONT color="green">080</FONT> public CategoryAxis3D() {<a name="line.80"></a><FONT color="green">081</FONT> this(null);<a name="line.81"></a><FONT color="green">082</FONT> }<a name="line.82"></a><FONT color="green">083</FONT> <a name="line.83"></a><FONT color="green">084</FONT> /**<a name="line.84"></a><FONT color="green">085</FONT> * Creates a new axis using default attribute values.<a name="line.85"></a><FONT color="green">086</FONT> *<a name="line.86"></a><FONT color="green">087</FONT> * @param label the axis label (<code>null</code> permitted).<a name="line.87"></a><FONT color="green">088</FONT> */<a name="line.88"></a><FONT color="green">089</FONT> public CategoryAxis3D(String label) {<a name="line.89"></a><FONT color="green">090</FONT> super(label);<a name="line.90"></a><FONT color="green">091</FONT> }<a name="line.91"></a><FONT color="green">092</FONT> <a name="line.92"></a><FONT color="green">093</FONT> /**<a name="line.93"></a><FONT color="green">094</FONT> * Draws the axis on a Java 2D graphics device (such as the screen or a <a name="line.94"></a><FONT color="green">095</FONT> * printer).<a name="line.95"></a><FONT color="green">096</FONT> *<a name="line.96"></a><FONT color="green">097</FONT> * @param g2 the graphics device (<code>null</code> not permitted).<a name="line.97"></a><FONT color="green">098</FONT> * @param cursor the cursor location.<a name="line.98"></a><FONT color="green">099</FONT> * @param plotArea the area within which the axis should be drawn <a name="line.99"></a><FONT color="green">100</FONT> * (<code>null</code> not permitted).<a name="line.100"></a><FONT color="green">101</FONT> * @param dataArea the area within which the plot is being drawn <a name="line.101"></a><FONT color="green">102</FONT> * (<code>null</code> not permitted).<a name="line.102"></a><FONT color="green">103</FONT> * @param edge the location of the axis (<code>null</code> not permitted).<a name="line.103"></a><FONT color="green">104</FONT> * @param plotState collects information about the plot (<code>null</code><a name="line.104"></a><FONT color="green">105</FONT> * permitted).<a name="line.105"></a><FONT color="green">106</FONT> * <a name="line.106"></a><FONT color="green">107</FONT> * @return The axis state (never <code>null</code>).<a name="line.107"></a><FONT color="green">108</FONT> */<a name="line.108"></a><FONT color="green">109</FONT> public AxisState draw(Graphics2D g2, <a name="line.109"></a><FONT color="green">110</FONT> double cursor,<a name="line.110"></a><FONT color="green">111</FONT> Rectangle2D plotArea, <a name="line.111"></a><FONT color="green">112</FONT> Rectangle2D dataArea, <a name="line.112"></a><FONT color="green">113</FONT> RectangleEdge edge,<a name="line.113"></a><FONT color="green">114</FONT> PlotRenderingInfo plotState) {<a name="line.114"></a><FONT color="green">115</FONT> <a name="line.115"></a><FONT color="green">116</FONT> // if the axis is not visible, don't draw it...<a name="line.116"></a><FONT color="green">117</FONT> if (!isVisible()) {<a name="line.117"></a><FONT color="green">118</FONT> return new AxisState(cursor);<a name="line.118"></a><FONT color="green">119</FONT> }<a name="line.119"></a><FONT color="green">120</FONT> <a name="line.120"></a><FONT color="green">121</FONT> // calculate the adjusted data area taking into account the 3D effect...<a name="line.121"></a><FONT color="green">122</FONT> // this assumes that there is a 3D renderer, all this 3D effect is a <a name="line.122"></a><FONT color="green">123</FONT> // bit of an ugly hack...<a name="line.123"></a><FONT color="green">124</FONT> CategoryPlot plot = (CategoryPlot) getPlot();<a name="line.124"></a><FONT color="green">125</FONT> <a name="line.125"></a><FONT color="green">126</FONT> Rectangle2D adjustedDataArea = new Rectangle2D.Double();<a name="line.126"></a><FONT color="green">127</FONT> if (plot.getRenderer() instanceof Effect3D) {<a name="line.127"></a><FONT color="green">128</FONT> Effect3D e3D = (Effect3D) plot.getRenderer();<a name="line.128"></a><FONT color="green">129</FONT> double adjustedX = dataArea.getMinX();<a name="line.129"></a><FONT color="green">130</FONT> double adjustedY = dataArea.getMinY();<a name="line.130"></a><FONT color="green">131</FONT> double adjustedW = dataArea.getWidth() - e3D.getXOffset();<a name="line.131"></a><FONT color="green">132</FONT> double adjustedH = dataArea.getHeight() - e3D.getYOffset();<a name="line.132"></a><FONT color="green">133</FONT> <a name="line.133"></a><FONT color="green">134</FONT> if (edge == RectangleEdge.LEFT || edge == RectangleEdge.BOTTOM) {<a name="line.134"></a><FONT color="green">135</FONT> adjustedY += e3D.getYOffset();<a name="line.135"></a><FONT color="green">136</FONT> }<a name="line.136"></a><FONT color="green">137</FONT> else if (edge == RectangleEdge.RIGHT || edge == RectangleEdge.TOP) {<a name="line.137"></a><FONT color="green">138</FONT> adjustedX += e3D.getXOffset();<a name="line.138"></a><FONT color="green">139</FONT> }<a name="line.139"></a><FONT color="green">140</FONT> adjustedDataArea.setRect(adjustedX, adjustedY, adjustedW, <a name="line.140"></a><FONT color="green">141</FONT> adjustedH);<a name="line.141"></a><FONT color="green">142</FONT> }<a name="line.142"></a><FONT color="green">143</FONT> else {<a name="line.143"></a>⌨️ 快捷键说明
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