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30
31 package com.jgoodies.looks.plastic;
32
33 import java.awt.*;
34 import java.awt.image.BufferedImage  ;
35 import java.awt.image.DataBuffer ;
36 import java.awt.image.IndexColorModel ;
37 import java.util.Enumeration ;
38 import java.util.Vector ;
39
40 import javax.swing.Icon ;
41
42
48 final class PlasticBumps implements Icon {
49
50 protected int xBumps;
51 protected int yBumps;
52 protected Color topColor;
53 protected Color shadowColor;
54 protected Color backColor;
55
56 protected static Vector buffers = new Vector ();
57 protected BumpBuffer buffer;
58
59 public PlasticBumps(Dimension bumpArea) {
60 this(bumpArea.width, bumpArea.height);
61 }
62
63 public PlasticBumps(int width, int height) {
64 this(width, height,
65 PlasticLookAndFeel.getPrimaryControlHighlight(),
66 PlasticLookAndFeel.getPrimaryControlDarkShadow(),
67 PlasticLookAndFeel.getPrimaryControlShadow());
68 }
69
70 public PlasticBumps(int width, int height,
71 Color newTopColor, Color newShadowColor, Color newBackColor) {
72 setBumpArea(width, height);
73 setBumpColors(newTopColor, newShadowColor, newBackColor);
74 }
75
76 private BumpBuffer getBuffer(GraphicsConfiguration gc,
77 Color aTopColor, Color aShadowColor, Color aBackColor) {
78 if (buffer != null
79 && buffer.hasSameConfiguration(gc, aTopColor, aShadowColor, aBackColor)) {
80 return buffer;
81 }
82 BumpBuffer result = null;
83 Enumeration elements = buffers.elements();
84 while (elements.hasMoreElements()) {
85 BumpBuffer aBuffer = (BumpBuffer) elements.nextElement();
86 if (aBuffer.hasSameConfiguration(gc, aTopColor, aShadowColor, aBackColor)) {
87 result = aBuffer;
88 break;
89 }
90 }
91 if (result == null) {
92 result = new BumpBuffer(gc, topColor, shadowColor, backColor);
93 buffers.addElement(result);
94 }
95 return result;
96 }
97
98 public void setBumpArea(Dimension bumpArea) {
99 setBumpArea(bumpArea.width, bumpArea.height);
100 }
101
102 public void setBumpArea(int width, int height) {
103 xBumps = width / 2;
104 yBumps = height / 2;
105 }
106
107 public void setBumpColors(Color newTopColor, Color newShadowColor, Color newBackColor) {
108 topColor = newTopColor;
109 shadowColor = newShadowColor;
110 backColor = newBackColor;
111 }
112
113 public void paintIcon(Component c, Graphics g, int x, int y) {
114 GraphicsConfiguration gc = (g instanceof Graphics2D)
115 ? (GraphicsConfiguration) ((Graphics2D) g).getDeviceConfiguration()
116 : null;
117
118 buffer = getBuffer(gc, topColor, shadowColor, backColor);
119
120 int bufferWidth = buffer.getImageSize().width;
121 int bufferHeight = buffer.getImageSize().height;
122 int iconWidth = getIconWidth();
123 int iconHeight = getIconHeight();
124 int x2 = x + iconWidth;
125 int y2 = y + iconHeight;
126 int savex = x;
127
128 while (y < y2) {
129 int h = Math.min(y2 - y, bufferHeight);
130 for (x = savex; x < x2; x += bufferWidth) {
131 int w = Math.min(x2 - x, bufferWidth);
132 g.drawImage(buffer.getImage(), x, y, x + w, y + h, 0, 0, w, h, null);
133 }
134 y += bufferHeight;
135 }
136 }
137
138 public int getIconWidth() { return xBumps * 2; }
139 public int getIconHeight() { return yBumps * 2; }
140 }
141
142 final class BumpBuffer {
143
144 static final int IMAGE_SIZE = 64;
145 static Dimension imageSize = new Dimension(IMAGE_SIZE, IMAGE_SIZE);
146
147 transient Image image;
148 Color topColor;
149 Color shadowColor;
150 Color backColor;
151 private GraphicsConfiguration gc;
152
153 public BumpBuffer(
154 GraphicsConfiguration gc,
155 Color aTopColor,
156 Color aShadowColor,
157 Color aBackColor) {
158 this.gc = gc;
159 topColor = aTopColor;
160 shadowColor = aShadowColor;
161 backColor = aBackColor;
162 createImage();
163 fillBumpBuffer();
164 }
165
166 public boolean hasSameConfiguration(
167 GraphicsConfiguration aGC,
168 Color aTopColor,
169 Color aShadowColor,
170 Color aBackColor) {
171 if (this.gc != null) {
172 if (!this.gc.equals(aGC)) {
173 return false;
174 }
175 } else if (aGC != null) {
176 return false;
177 }
178 return topColor.equals(aTopColor)
179 && shadowColor.equals(aShadowColor)
180 && backColor.equals(aBackColor);
181 }
182
183
187 public Image getImage() { return image; }
188
189 public Dimension getImageSize() { return imageSize; }
190
191
194 private void fillBumpBuffer() {
195 Graphics g = image.getGraphics();
196
197 g.setColor(backColor);
198 g.fillRect(0, 0, IMAGE_SIZE, IMAGE_SIZE);
199
200 g.setColor(topColor);
201 for (int x = 0; x < IMAGE_SIZE; x += 4) {
202 for (int y = 0; y < IMAGE_SIZE; y += 4) {
203 g.drawLine(x, y, x, y);
204 g.drawLine(x + 2, y + 2, x + 2, y + 2);
205 }
206 }
207
208 g.setColor(shadowColor);
209 for (int x = 0; x < IMAGE_SIZE; x += 4) {
210 for (int y = 0; y < IMAGE_SIZE; y += 4) {
211 g.drawLine(x + 1, y + 1, x + 1, y + 1);
212 g.drawLine(x + 3, y + 3, x + 3, y + 3);
213 }
214 }
215 g.dispose();
216 }
217
218
222 private void createImage() {
223 if (gc != null) {
224 image = gc.createCompatibleImage(IMAGE_SIZE, IMAGE_SIZE);
225 } else {
226 int cmap[] = { backColor.getRGB(), topColor.getRGB(), shadowColor.getRGB()};
227 IndexColorModel icm =
228 new IndexColorModel (8, 3, cmap, 0, false, -1, DataBuffer.TYPE_BYTE);
229 image = new BufferedImage (IMAGE_SIZE, IMAGE_SIZE, BufferedImage.TYPE_BYTE_INDEXED, icm);
230 }
231 }
232 }
233 |
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