1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
/*******************************************************************************
* Copyright (c) 2000, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.snippets;
/*
* Cursor example snippet: create a color cursor from a source and a mask
*
* For a list of all SWT example snippets see
* http://www.eclipse.org/swt/snippets/
*
* @since 3.0
*/
import org.eclipse.swt.*;
import org.eclipse.swt.events.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.widgets.*;
public class Snippet119 {
static byte[] srcData = {
(byte)0x11, (byte)0x11, (byte)0x11, (byte)0x00, (byte)0x00, (byte)0x11, (byte)0x11, (byte)0x11,
(byte)0x11, (byte)0x10, (byte)0x00, (byte)0x01, (byte)0x10, (byte)0x00, (byte)0x01, (byte)0x11,
(byte)0x11, (byte)0x00, (byte)0x22, (byte)0x01, (byte)0x10, (byte)0x33, (byte)0x00, (byte)0x11,
(byte)0x10, (byte)0x02, (byte)0x22, (byte)0x01, (byte)0x10, (byte)0x33, (byte)0x30, (byte)0x01,
(byte)0x10, (byte)0x22, (byte)0x22, (byte)0x01, (byte)0x10, (byte)0x33, (byte)0x33, (byte)0x01,
(byte)0x10, (byte)0x22, (byte)0x22, (byte)0x01, (byte)0x10, (byte)0x33, (byte)0x33, (byte)0x01,
(byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00,
(byte)0x01, (byte)0x11, (byte)0x11, (byte)0x01, (byte)0x10, (byte)0x11, (byte)0x11, (byte)0x10,
(byte)0x01, (byte)0x11, (byte)0x11, (byte)0x01, (byte)0x10, (byte)0x11, (byte)0x11, (byte)0x10,
(byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00, (byte)0x00,
(byte)0x10, (byte)0x44, (byte)0x44, (byte)0x01, (byte)0x10, (byte)0x55, (byte)0x55, (byte)0x01,
(byte)0x10, (byte)0x44, (byte)0x44, (byte)0x01, (byte)0x10, (byte)0x55, (byte)0x55, (byte)0x01,
(byte)0x10, (byte)0x04, (byte)0x44, (byte)0x01, (byte)0x10, (byte)0x55, (byte)0x50, (byte)0x01,
(byte)0x11, (byte)0x00, (byte)0x44, (byte)0x01, (byte)0x10, (byte)0x55, (byte)0x00, (byte)0x11,
(byte)0x11, (byte)0x10, (byte)0x00, (byte)0x01, (byte)0x10, (byte)0x00, (byte)0x01, (byte)0x11,
(byte)0x11, (byte)0x11, (byte)0x11, (byte)0x00, (byte)0x00, (byte)0x11, (byte)0x11, (byte)0x11,
};
static byte[] mskData = {
(byte)0x03, (byte)0xc0,
(byte)0x1f, (byte)0xf8,
(byte)0x3f, (byte)0xfc,
(byte)0x7f, (byte)0xfe,
(byte)0x7f, (byte)0xfe,
(byte)0x7f, (byte)0xfe,
(byte)0xff, (byte)0xff,
(byte)0xfe, (byte)0x7f,
(byte)0xfe, (byte)0x7f,
(byte)0xff, (byte)0xff,
(byte)0x7f, (byte)0xfe,
(byte)0x7f, (byte)0xfe,
(byte)0x7f, (byte)0xfe,
(byte)0x3f, (byte)0xfc,
(byte)0x1f, (byte)0xf8,
(byte)0x03, (byte)0xc0
};
public static void main (String [] args) {
Display display = new Display();
Color white = display.getSystemColor (SWT.COLOR_WHITE);
Color black = display.getSystemColor (SWT.COLOR_BLACK);
Color yellow = display.getSystemColor (SWT.COLOR_YELLOW);
Color red = display.getSystemColor (SWT.COLOR_RED);
Color green = display.getSystemColor (SWT.COLOR_GREEN);
Color blue = display.getSystemColor (SWT.COLOR_BLUE);
//Create a source ImageData of depth 4
PaletteData palette = new PaletteData (new RGB[] {
black.getRGB(), white.getRGB(), yellow.getRGB(),
red.getRGB(), blue.getRGB(), green.getRGB()});
ImageData sourceData = new ImageData (16, 16, 4, palette, 1, srcData);
//Create a mask ImageData of depth 1 (monochrome)
palette = new PaletteData (new RGB [] {black.getRGB(), white.getRGB(),});
ImageData maskData = new ImageData (16, 16, 1, palette, 1, mskData);
//Set mask
sourceData.maskData = maskData.data;
sourceData.maskPad = maskData.scanlinePad;
//Create cursor
Cursor cursor = new Cursor(display, sourceData, 10, 10);
//Remove mask to draw them separately just to show what they look like
sourceData.maskData = null;
sourceData.maskPad = -1;
Shell shell = new Shell(display);
final Image source = new Image (display,sourceData);
final Image mask = new Image (display, maskData);
shell.addPaintListener(new PaintListener() {
public void paintControl(PaintEvent e) {
GC gc = e.gc;
int x = 10, y = 10;
String stringSource = "source: ";
String stringMask = "mask: ";
gc.drawString(stringSource, x, y);
gc.drawString(stringMask, x, y + 30);
x += Math.max(gc.stringExtent(stringSource).x, gc.stringExtent(stringMask).x);
gc.drawImage(source, x, y);
gc.drawImage(mask, x, y + 30);
}
});
shell.setSize(150, 150);
shell.open();
shell.setCursor(cursor);
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
cursor.dispose();
source.dispose();
mask.dispose();
display.dispose();
}
}
|
