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40
41 package java2d.demos.Fonts;
42
43 import java.awt.*;
44 import java.awt.font.*;
45 import java.awt.geom.*;
46 import java.net.URL  ;
47 import java.io.File ;
48 import java.io.FileInputStream ;
49 import java.io.InputStream ;
50 import java.awt.image.BufferedImage ;
51 import java.text.AttributedString ;
52 import java.text.AttributedCharacterIterator ;
53 import java2d.Surface;
54
55 import static java.awt.Font .*;
56 import static java.awt.font.TextAttribute .*;
57
58
59
63 public class AttributedStr extends Surface {
64
65 static Color black = new Color( 20, 20, 20);
66 static Color blue = new Color( 94, 105, 176);
67 static Color yellow = new Color(255, 255, 140);
68 static Color red = new Color(149, 43, 42);
69 static Color white = new Color(240, 240, 255);
70 static String text = " A quick brown fox jumped over the lazy duke ";
71 static AttributedString as = new AttributedString (text);
72 static AttributedCharacterIterator aci;
73 static {
74 Shape shape = new Ellipse2D.Double(0,25,12,12);
75 ShapeGraphicAttribute sga = new
76 ShapeGraphicAttribute(shape, GraphicAttribute.TOP_ALIGNMENT, false);
77 as.addAttribute(CHAR_REPLACEMENT, sga, 0, 1);
78
79
80 Font font = new Font ("sanserif", BOLD|ITALIC, 20);
81 int index = text.indexOf("quick");
82 as.addAttribute(FONT, font, index, index+5);
83
84 index = text.indexOf("brown");
85 font = new Font ("serif", BOLD, 20);
86 as.addAttribute(FONT, font, index, index+5);
87 as.addAttribute(FOREGROUND, red, index, index+5);
88
89 index = text.indexOf("fox");
90 AffineTransform fontAT = new AffineTransform();
91 fontAT.rotate(Math.toRadians(10));
92 Font fx = new Font ("serif", BOLD, 30).deriveFont(fontAT);
93 as.addAttribute(FONT, fx, index, index+1);
94 as.addAttribute(FONT, fx, index+1, index+2);
95 as.addAttribute(FONT, fx, index+2, index+3);
96
97 fontAT.setToRotation(Math.toRadians(-4));
98 fx = font.deriveFont(fontAT);
99 index = text.indexOf("jumped");
100 as.addAttribute(FONT, fx, index, index+6);
101
102 font = new Font ("serif", BOLD|ITALIC, 30);
103 index = text.indexOf("over");
104 as.addAttribute(UNDERLINE, UNDERLINE_ON, index, index+4);
105 as.addAttribute(FOREGROUND, white, index, index+4);
106 as.addAttribute(FONT, font, index, text.length());
107
108 font = new Font ("dialog", PLAIN, 20);
109 int i = text.indexOf("duke");
110 as.addAttribute(FONT, font, index, i-1);
111
112 BufferedImage bi = new BufferedImage (4,4,BufferedImage.TYPE_INT_ARGB);
113 bi.setRGB(0, 0, 0xffffffff);
114 TexturePaint tp = new TexturePaint(bi,new Rectangle(0,0,4,4));
115 as.addAttribute(BACKGROUND, tp, i, i+4);
116 font = new Font ("serif", BOLD, 40);
117 as.addAttribute(FONT, font, i, i+4);
118 }
119
120
121 public AttributedStr() {
122 setBackground(Color.white);
123
124 Font font = getFont("A.ttf");
125 if (font != null) {
126 font = font.deriveFont(PLAIN, 70);
127 } else {
128 font = new Font ("serif", PLAIN, 50);
129 }
130 int index = text.indexOf("A")+1;
131 as.addAttribute(FONT, font, 0, index);
132 as.addAttribute(FOREGROUND, white, 0, index);
133
134 font = new Font ("dialog", PLAIN, 40);
135 int size = getFontMetrics(font).getHeight();
136 BufferedImage bi =
137 new BufferedImage (size, size, BufferedImage.TYPE_INT_ARGB);
138 Graphics2D big = bi.createGraphics();
139 big.drawImage(getImage("snooze.gif"), 0, 0, size, size, null);
140 ImageGraphicAttribute iga =
141 new ImageGraphicAttribute(bi, GraphicAttribute.TOP_ALIGNMENT);
142 as.addAttribute(CHAR_REPLACEMENT, iga, text.length()-1, text.length());
143
144 aci = as.getIterator();
145 }
146
147
148 public void render(int w, int h, Graphics2D g2) {
149
150 float x = 5, y = 0;
151 FontRenderContext frc = g2.getFontRenderContext();
152 LineBreakMeasurer lbm = new LineBreakMeasurer(aci, frc);
153
154 g2.setPaint(new GradientPaint(0,h,blue,w,0,black));
155 g2.fillRect(0, 0, w, h);
156
157 g2.setColor(white);
158 String s = "AttributedString LineBreakMeasurer";
159 Font font = new Font ("serif", PLAIN, 12);
160 TextLayout tl = new TextLayout(s, font, frc);
161
162 tl.draw(g2, 5, y += (float) tl.getBounds().getHeight());
163
164 g2.setColor(yellow);
165
166 while (y < h-tl.getAscent()) {
167 lbm.setPosition(0);
168 while (lbm.getPosition() < text.length()) {
169 tl = lbm.nextLayout(w-x);
170 if (!tl.isLeftToRight()) {
171 x = w - tl.getAdvance();
172 }
173 tl.draw(g2, x, y += tl.getAscent());
174 y += tl.getDescent() + tl.getLeading();
175 }
176 }
177 }
178
179
180 public static void main(String s[]) {
181 createDemoFrame(new AttributedStr());
182 }
183 }
184 |
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