|
1
43
44 package swingwt.awt;
45
46 import java.net.URL  ;
47 import java.util.Hashtable ;
48
49 import swingwt.awt.datatransfer.Clipboard;
50 import swingwt.awt.event.KeyEvent;
51 import swingwt.awt.image.ColorModel;
52 import swingwt.awt.image.ImageConsumer;
53 import swingwt.awt.image.ImageProducer;
54
55 public class Toolkit {
56
57 private static Toolkit toolkit = new Toolkit();
58 private static Object retval;
59 private static Hashtable desktopProperties = new Hashtable ();
60
61 protected Toolkit() {}
62
63 public static Toolkit getDefaultToolkit() {
64 return toolkit;
65 }
66
67 public static Toolkit getToolkit() {
68 return toolkit;
69 }
70
71 public Image getImage(String filename) {
72 return new swingwtx.swing.ImageIcon(filename).getImage();
73 }
74
75 public Image getImage(URL url) {
76 return new swingwtx.swing.ImageIcon(url).getImage();
77 }
78
79 public int getScreenResolution() {
80 return swingwtx.swing.SwingWTUtils.getDisplay().getDepth();
81 }
82
83 public Insets getScreenInsets(GraphicsConfiguration gc) throws HeadlessException {
84 if (this != Toolkit.getDefaultToolkit())
85 return Toolkit.getDefaultToolkit().getScreenInsets(gc);
86 else
87 return new Insets(0,0,0,0);
88 }
89
90 public FontMetrics getFontMetrics(Font f) {
91 return new FontMetrics(f);
92 }
93
94 public int getMenuShortcutKeyMask() throws HeadlessException {
95 return KeyEvent.CTRL_MASK;
96 }
97
98 public Dimension getScreenSize() {
99 swingwtx.swing.SwingUtilities.invokeSync(new Runnable () {
100 public void run() {
101 retval = new Dimension(
102 swingwtx.swing.SwingWTUtils.getDisplay().getBounds().width,
103 swingwtx.swing.SwingWTUtils.getDisplay().getBounds().height);
104 }
105 });
106 return (Dimension) retval;
107 }
108
109 public Image createImage(ImageProducer producer) {
110 ToolkitImageConsumer tki = new ToolkitImageConsumer();
111 producer.startProduction(tki);
112 return tki.awtImage;
113
114 }
115
116 public Image createImage(byte[] imagedata) {
117 return new swingwtx.swing.ImageIcon(imagedata).getImage();
118 }
119
120 public Image createImage(byte[] imagedata, int imageoffset, int imagelength) {
121 byte[] im2 = new byte[imagelength];
122 for (int i = imageoffset; i < imagelength; i++)
123 im2[i - imageoffset] = imagedata[i];
124 return new swingwtx.swing.ImageIcon(im2).getImage();
125 }
126
127 public Image createImage(String filename) {
128 return getImage(filename);
129 }
130
131 public Image createImage(URL url) {
132 return getImage(url);
133 }
134
135 public Clipboard getSystemClipboard() {
136 return new swingwt.awt.datatransfer.Clipboard();
137 }
138
139 public void beep() {
140 }
141
142 public final Object getDesktopProperty(String propertyName) {
143 return desktopProperties.get(propertyName);
144 }
145
146 protected final void setDesktopProperty(String propertyName, Object value) {
147 desktopProperties.put(propertyName, value);
148 }
149
150
155 private class ToolkitImageConsumer implements ImageConsumer {
156
157
158 public Image awtImage = new Image();
159 public boolean imageComplete = false;
160 public void imageComplete(int status) { imageComplete = true; }
161 public void setColorModel(ColorModel model) {}
162 public void setDimensions(int width, int height) {
163 awtImage.image = new org.eclipse.swt.graphics.Image(swingwtx.swing.SwingWTUtils.getDisplay(), width, height);
164 }
165 public void setHints(int hintflags) {}
166 public void setProperties(java.util.Hashtable props) {}
167 public void setPixels(int x, int y, int w, int h, ColorModel model, int[] pixels, int off, int scansize) {
168 byte[] bytes = new byte[pixels.length];
169 for (int i = 0; i < pixels.length; i++)
170 bytes[i] = (byte) pixels[i];
171 setPixels(x, y, w, h, model, bytes, off, scansize);
172 }
173 public void setPixels(int x, int y, int w, int h, ColorModel model, byte[] pixels, int off, int scansize) {
174 awtImage.image =
176 new org.eclipse.swt.graphics.Image(
177 swingwtx.swing.SwingWTUtils.getDisplay(),
178 new org.eclipse.swt.graphics.ImageData( w, h, 16,
179 new org.eclipse.swt.graphics.PaletteData(255, 255, 255)
180 , scansize, pixels));
181 }
182 }
183
184 public static String getProperty(String key,
185 String defaultValue) {
186 return defaultValue;
187 }
188 }
189 |
Popular Tags |
Java API By Example, From Geeks To Geeks.