1 /***
2 * Redistribution and use in source and binary forms, with or without
3 * modification, are permitted provided that the following conditions are
4 * met :
5 *
6 * . Redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer.
8 *
9 * . Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * . The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
25 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $Id: IFont.java 395 2005-12-31 04:05:41Z mat007 $
29 */
30
31 package palmed.edit;
32
33 import javax.microedition.lcdui.Graphics;
34
35 /***
36 * This class defines a custom monospaced font.
37 *
38 * @author Mathieu Champlon
39 * @version $Revision: 395 $ $Date: 2005-12-31 13:05:41 +0900 (sam., 31 déc. 2005) $
40 */
41 public interface IFont
42 {
43 /***
44 * Retrieve the width of a character.
45 *
46 * @return character width in pixels
47 */
48 int getWidth();
49
50 /***
51 * Retrieve the height of a character.
52 *
53 * @return character height in pixels
54 */
55 int getHeight();
56
57 /***
58 * Draw the given characters.
59 * <p>
60 * The character at the end position should not be drawn.
61 *
62 * @param g the graphics to use
63 * @param text the text to draw a subpart of
64 * @param start the start position in the text
65 * @param end the end position in the text
66 * @param y the line number to draw the text at
67 */
68 void draw( Graphics g, String text, int start, int end, int y );
69
70 /***
71 * Draw the given characters as selection.
72 * <p>
73 * The character at the end position should not be drawn.
74 *
75 * @param g the graphics to use
76 * @param text the text to draw a subpart of
77 * @param start the start position in the text
78 * @param end the end position in the text
79 * @param y the line number to draw the text at
80 */
81 void drawSelection( Graphics g, String text, int start, int end, int y );
82
83 /***
84 * Draw the given number of spaces as selection.
85 * <p>
86 * The character at the end position should not be drawn.
87 *
88 * @param g the graphics to use
89 * @param start the start position in the text
90 * @param end the end position in the text
91 * @param y the line number to draw the text at
92 */
93 void drawEmptySelection( Graphics g, int start, int end, int y );
94 }