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1
7
8 package javax.swing.plaf.metal;
9
10 import java.awt.*;
11 import java.awt.image.*;
12 import javax.swing.*;
13 import java.io.*;
14 import java.util.*;
15
16
23
24
25 class MetalBumps implements Icon {
26
27 static final Color ALPHA = new Color(0, 0, 0, 0);
28
29 protected int xBumps;
30 protected int yBumps;
31 protected Color topColor;
32 protected Color shadowColor;
33 protected Color backColor;
34
35 protected static Vector buffers = new Vector();
36 protected BumpBuffer buffer;
37
38 public MetalBumps( Dimension bumpArea ) {
39 this( bumpArea.width, bumpArea.height );
40 }
41
42 public MetalBumps( int width, int height ) {
43 this(width, height, MetalLookAndFeel.getPrimaryControlHighlight(),
44 MetalLookAndFeel.getPrimaryControlDarkShadow(),
45 MetalLookAndFeel.getPrimaryControlShadow());
46 }
47
48
53 public MetalBumps( int width, int height,
54 Color newTopColor, Color newShadowColor, Color newBackColor ) {
55 setBumpArea( width, height );
56 setBumpColors( newTopColor, newShadowColor, newBackColor );
57 }
58
59 private BumpBuffer getBuffer(GraphicsConfiguration gc, Color aTopColor,
60 Color aShadowColor, Color aBackColor) {
61 if (buffer != null && buffer.hasSameConfiguration(
62 gc, aTopColor, aShadowColor, aBackColor)) {
63 return buffer;
64 }
65 BumpBuffer result = null;
66
67 Enumeration elements = buffers.elements();
68
69 while ( elements.hasMoreElements() ) {
70 BumpBuffer aBuffer = (BumpBuffer)elements.nextElement();
71 if ( aBuffer.hasSameConfiguration(gc, aTopColor, aShadowColor,
72 aBackColor)) {
73 result = aBuffer;
74 break;
75 }
76 }
77 if (result == null) {
78 result = new BumpBuffer(gc, topColor, shadowColor, backColor);
79 buffers.addElement(result);
80 }
81 return result;
82 }
83
84 public void setBumpArea( Dimension bumpArea ) {
85 setBumpArea( bumpArea.width, bumpArea.height );
86 }
87
88 public void setBumpArea( int width, int height ) {
89 xBumps = width / 2;
90 yBumps = height / 2;
91 }
92
93 public void setBumpColors( Color newTopColor, Color newShadowColor, Color newBackColor ) {
94 topColor = newTopColor;
95 shadowColor = newShadowColor;
96 if (newBackColor == null) {
97 backColor = ALPHA;
98 }
99 else {
100 backColor = newBackColor;
101 }
102 }
103
104 public void paintIcon( Component c, Graphics g, int x, int y ) {
105 GraphicsConfiguration gc = (g instanceof Graphics2D) ?
106 (GraphicsConfiguration)((Graphics2D)g).
107 getDeviceConfiguration() : null;
108
109 buffer = getBuffer(gc, topColor, shadowColor, backColor);
110
111 int bufferWidth = buffer.getImageSize().width;
112 int bufferHeight = buffer.getImageSize().height;
113 int iconWidth = getIconWidth();
114 int iconHeight = getIconHeight();
115 int x2 = x + iconWidth;
116 int y2 = y + iconHeight;
117 int savex = x;
118
119 while (y < y2) {
120 int h = Math.min(y2 - y, bufferHeight);
121 for (x = savex; x < x2; x += bufferWidth) {
122 int w = Math.min(x2 - x, bufferWidth);
123 g.drawImage(buffer.getImage(),
124 x, y, x+w, y+h,
125 0, 0, w, h,
126 null);
127 }
128 y += bufferHeight;
129 }
130 }
131
132 public int getIconWidth() {
133 return xBumps * 2;
134 }
135
136 public int getIconHeight() {
137 return yBumps * 2;
138 }
139 }
140
141
142 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(GraphicsConfiguration gc, Color aTopColor,
154 Color aShadowColor, Color aBackColor) {
155 this.gc = gc;
156 topColor = aTopColor;
157 shadowColor = aShadowColor;
158 backColor = aBackColor;
159 createImage();
160 fillBumpBuffer();
161 }
162
163 public boolean hasSameConfiguration(GraphicsConfiguration gc,
164 Color aTopColor, Color aShadowColor,
165 Color aBackColor) {
166 if (this.gc != null) {
167 if (!this.gc.equals(gc)) {
168 return false;
169 }
170 }
171 else if (gc != null) {
172 return false;
173 }
174 return topColor.equals( aTopColor ) &&
175 shadowColor.equals( aShadowColor ) &&
176 backColor.equals( aBackColor );
177 }
178
179
183 public Image getImage() {
184 return image;
185 }
186
187 public Dimension getImageSize() {
188 return imageSize;
189 }
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 (backColor != MetalBumps.ALPHA) ? Transparency.OPAQUE :
226 Transparency.BITMASK);
227 }
228 else {
229 int cmap[] = { backColor.getRGB(), topColor.getRGB(),
230 shadowColor.getRGB() };
231 IndexColorModel icm = new IndexColorModel(8, 3, cmap, 0, false,
232 (backColor == MetalBumps.ALPHA) ? 0 : -1,
233 DataBuffer.TYPE_BYTE);
234 image = new BufferedImage(IMAGE_SIZE, IMAGE_SIZE,
235 BufferedImage.TYPE_BYTE_INDEXED, icm);
236 }
237 }
238 }
239 |
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