// // FontWobbler class // part of the set of documents known as Java no sugar. // Copyright (c) 1996 Sunil Gupta, sunil@magnetic.demon.co.uk // placed into the public domain by the author // import java.awt.*; public class FontWobbler extends ThreadedCanvas { //******************************************************************* // globals //******************************************************************* static final String HELVETICA = "Helvetica"; static final String TIMES = "TimesRoman"; static final String COURIER ="Courier"; static final String DIALOG = "Dialog"; static final String DIALOGINPUT = "DialogInput"; static final String ZAPFDINGBATS = "ZapfDingbats"; static final String PLAIN = "Normal"; static final String ITALIC = "Italic"; static final String BOLD = "Bold"; static final String BOLDITALIC = "BoldItalic"; //******************************************************************* // instance variables //******************************************************************* Font the_font; String the_caption; int x,y; FontMetrics metrics = null; //******************************************************************* // Public interface //******************************************************************* public void wobbleFont(String font_name, String font_style, String font_size) { int style; // ------------------ build font --------------- if ( font_style.equals(ITALIC)) style = Font.ITALIC; else if ( font_style.equals(BOLD)) style = Font.BOLD; else if ( font_style.equals(BOLDITALIC)) style = Font.ITALIC + Font.BOLD; else style = 0; the_font = new Font(font_name, style, Integer.parseInt(font_size)); the_caption = font_name + "-" + font_style + "-" + font_size; start(); } //******************************************************************* // APPLET //******************************************************************* public Dimension minimumSize() { return ( new Dimension(200,200)); } //******************************************************************* // THREADS //******************************************************************* public void onRun(Graphics g) { g.setFont(the_font); metrics = g.getFontMetrics(); x = (rect.width -metrics.stringWidth(the_caption) ) / 2; y = (rect.height -metrics.getHeight()) / 2; } //------draw the font with small but random offset--- public void onLoop(Graphics g) { int dx,dy; dx = (int) (5 * Math.random()); dy = (int) (5 * Math.random()); g.drawString( the_caption, x+dx, y+dy); } }
file: /Techref/language/java/nosugar/graphics/font/code/FontWobbler.java, 2KB, , updated: 1997/6/1 00:35, local time: 2024/8/26 10:24,
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