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root/i-scream/projects/cms/source/reports/DBReporter/GraphMaker.java

Comparing projects/cms/source/reports/DBReporter/GraphMaker.java (file contents):
Revision 1.3 by pjm2, Fri Dec 15 09:39:17 2000 UTC vs.
Revision 1.13 by pjm2, Thu Jan 11 19:03:04 2001 UTC

#	Line 1 | Line 1
1	<	//---PACKAGE DECLARATION---
2	<
3	<	//---IMPORTS---
4	<
5	<	import java.io.*;
6	<	import java.awt.*;
7	<	import java.awt.image.*;
8	<
9	<	import Acme.JPM.Encoders.*;
10	<
11	<	/**
12	<	* GraphMaker - Used to create and ultimately output a gif image.
13	<	* This class accepts a PlotData object in the constructor, yet has
14	<	* the filename, size, etc. passed in a separate method - this is so
15	<	* that the same PlotData can easily be used to create several graphs
16	<	* of differing filenames, sizes, etc...
17	<	*
18	<	* @author  $Author$
19	<	* @version $Id$
20	<	*/
21	<	public class GraphMaker {
22	<
23	<	//---FINAL ATTRIBUTES---
24	<
25	<	/**
26	<	* The current CVS revision of this class
27	<	*/
28	<	public final String REVISION = "$Revision$";
29	<
30	<	private final int _fg = 0;  // black
31	<	private final int _bg = 16777215; // white
32	<	private final int _gradeColour = 13421823;  // i-scream blue ;)
33	<
34	<	//---STATIC METHODS---
35	<
36	<	//---CONSTRUCTORS---
37	<
38	<	public GraphMaker(PlotData pd){
39	<	_pd = pd;
40	<	}
41	<
42	<
43	<	//---PUBLIC METHODS---
44	<
45	<	public void writeGraph(String filename, int width, int height, int gradeX, int gradeY){
46	<
47	<	//Uncomment this to find out the integer values for certain colours.
48	<	//int rgb = 0*256*256 + 0*256 + 0;
49	<	//System.out.println ((rgb & 0xff00ff00) | ((rgb & 0xff0000) >> 16) | ((rgb & 0xff) << 16));
50	<
51	<	BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
52	<
53	<	_pd.drawGraph(img, width, height, gradeX, gradeY, _fg, _bg, _gradeColour);
54	<
55	<	try {
56	<	FileOutputStream fos = new FileOutputStream(new File(filename));
57	<	GifEncoder encoder = new GifEncoder(img, fos);
58	<
59	<	encoder.encode();
60	<
61	<	fos.flush();
62	<	fos.close();
63	<
64	<	System.out.println("            - Written "+width+"x"+height+" graph file");
65	<	}
66	<	catch(Exception e){
67	<	System.out.println("Could not write the .gif file.");
68	<	}
69	<
70	<	//g.dispose();
71	<	//frame.dispose();
72	<
73	<	}
74	<
75	<	/**
76	<	* Overrides the {@link java.lang.Object#toString() Object.toString()}
77	<	* method to provide clean logging (every class should have this).
78	<	*
79	<	* @return the name of this class and its CVS revision
80	<	*/
81	<	public String toString() {
82	<	return this.getClass().getName() + "(" + REVISION.substring(11, REVISION.length() - 2) + ")";
83	<	}
84	<
85	<	//---PRIVATE METHODS---
86	<
87	<	//---ACCESSOR/MUTATOR METHODS---
88	<
89	<	//---ATTRIBUTES---
90	<
91	<	private PlotData _pd;
92	<
93	<	//---STATIC ATTRIBUTES---
94	<
1	>	//---PACKAGE DECLARATION---
2
3	+
4
5	+	//---IMPORTS---
6
7	+
8
9	+	import java.io.*;
10
11	+	import java.awt.*;
12
13	+	import java.awt.image.*;
14
15	+
16
17	+	import Acme.JPM.Encoders.*;
18
19	+
20
21	+	/**
22
23	+	* GraphMaker - Used to create and ultimately output a gif image.
24
25	+	* This class accepts a PlotData object in the constructor, yet has
26
27	+	* the filename, size, etc. passed in a separate method - this is so
28
29	+	* that the same PlotData can easily be used to create several graphs
30
31	+	* of differing filenames, sizes, etc...
32
33	+	*
34
35	+	* @author  $Author$
36
37	+	* @version $Id$
38
39	+	*/
40
41	+	public class GraphMaker {
42
43	+
44
45	+	//---FINAL ATTRIBUTES---
46
47	+
48
49	+	/**
50
51	+	* The current CVS revision of this class
52
53	+	*/
54
55	+	public final String REVISION = "$Revision$";
56
57	+
58
59	+
60
61	+	//---STATIC METHODS---
62
63	+
64
65	+	//---CONSTRUCTORS---
66
67	+
68
69	+	public GraphMaker(PlotData pd){
70
71	+	_pd = pd;
72
73	+	}
74
75	+
76
77	+
78
79	+	//---PUBLIC METHODS---
80
81	+
82
83	+	public void writeGraph(String filename, int width, int height, int gradeX, int gradeY){
84
85	+
86
87	+	BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
88
89	+
90
91	+	_pd.drawGraph(img, width, height, gradeX, gradeY);
92
93	+
94
95	+	try {
96
97	+	FileOutputStream fos = new FileOutputStream(new File(filename));
98
99	+	GifEncoder encoder = new GifEncoder(img, fos);
100
101	+
102
103	+	encoder.encode();
104
105	+
106
107	+	fos.flush();
108
109	+	fos.close();
110
111	+
112
113	+	System.out.println("            - Written "+width+"x"+height+" graph file");
114
115	+	}
116
117	+	catch(Exception e){
118
119	+	System.out.println("Could not write the .gif file.");
120
121	+	}
122
123	+
124
125	+	//g.dispose();
126
127	+	//frame.dispose();
128
129	+
130
131	+	}
132
133	+
134
135	+	/**
136
137	+	* Overrides the {@link java.lang.Object#toString() Object.toString()}
138
139	+	* method to provide clean logging (every class should have this).
140
141	+	*
142
143	+	* @return the name of this class and its CVS revision
144
145	+	*/
146
147	+	public String toString() {
148
149	+	return this.getClass().getName() + "(" + REVISION.substring(11, REVISION.length() - 2) + ")";
150
151	+	}
152
153	+
154
155	+	//---PRIVATE METHODS---
156
157	+
158
159	+	//---ACCESSOR/MUTATOR METHODS---
160
161	+
162
163	+	//---ATTRIBUTES---
164
165	+
166
167	+	private PlotData _pd;
168
169	+
170
171	+	//---STATIC ATTRIBUTES---
172
173	+
174
175		}

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