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
|
/*******************************************************************************
* Copyright (c) 2000, 2016 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;
/*
* draw a multi-gradient
*
* For a list of all SWT example snippets see
* http://www.eclipse.org/swt/snippets/
*/
import org.eclipse.swt.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
public class Snippet281 {
public static void main (String [] args) {
final Display display = new Display ();
final Shell shell = new Shell (display, SWT.SHELL_TRIM | SWT.NO_BACKGROUND);
shell.setLayout(new FillLayout ());
shell.addListener (SWT.Paint, e -> {
GC gc = e.gc;
Rectangle rect = shell.getClientArea ();
Color color1 = new Color (display, 234, 246, 253);
Color color2 = new Color (display, 217, 240, 252);
Color color3 = new Color (display, 190, 230, 253);
Color color4 = new Color (display, 167, 217, 245);
Pattern p1 = new Pattern (display, 0, 0, 0, rect.height / 2, color1, color2);
gc.setBackgroundPattern (p1);
gc.fillRectangle (rect.x, rect.y, rect.width, rect.height / 2);
Pattern p2 = new Pattern (display, 0, rect.height / 2, 0, rect.height, color3, color4);
gc.setBackgroundPattern (p2);
gc.fillRectangle (rect.x, rect.y + (rect.height / 2), rect.width, rect.height / 2 + 1);
p1.dispose ();
p2.dispose ();
color1.dispose ();
color2.dispose ();
color3.dispose ();
color4.dispose ();
});
shell.setSize (200, 64);
shell.open ();
while (!shell.isDisposed ()) {
if (!display.readAndDispatch ())
display.sleep ();
}
display.dispose ();
}
}
|
