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
|
package org.eclipse.swt.graphics;
/*
* Licensed Materials - Property of IBM,
* (c) Copyright IBM Corp. 1998, 2001 All Rights Reserved
*/
import org.eclipse.swt.*;
public final class Color {
/**
* the handle to the OS color resource
* (Warning: This field is platform dependent)
*/
public int handle;
/**
* the device where this color was created
*/
Device device;
Color() {
}
public Color (Device device, int red, int green, int blue) {
if (device == null) device = Device.getDevice();
if (device == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
init(device, red, green, blue);
if (device.tracking) device.new_Object(this);
}
public Color (Device device, RGB rgb) {
if (device == null) device = Device.getDevice();
if (device == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
if (rgb == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
init(device, rgb.red, rgb.green, rgb.blue);
if (device.tracking) device.new_Object(this);
}
public void dispose() {
if (handle == -1) return;
handle = -1;
if (device.tracking) device.dispose_Object(this);
device = null;
}
public boolean equals (Object object) {
if (object == this) return true;
if (!(object instanceof Color)) return false;
Color color = (Color) object;
return device == color.device && (handle & 0xFFFFFF) == (color.handle & 0xFFFFFF);
}
public int getBlue () {
return handle & 0xFF;
}
public int getGreen () {
return (handle & 0xFF00) >> 8;
}
public int getRed () {
return (handle & 0xFF0000) >> 16;
}
public RGB getRGB () {
return new RGB((handle & 0xFF0000) >> 16, (handle & 0xFF00) >> 8, handle & 0xFF);
}
public int hashCode () {
return handle;
}
void init(Device device, int red, int green, int blue) {
if (red > 255 || red < 0 || green > 255 || green < 0 || blue > 255 || blue < 0) {
SWT.error(SWT.ERROR_INVALID_ARGUMENT);
}
this.device = device;
handle = (blue & 0xFF) | ((green & 0xFF) << 8) | ((red & 0xFF) << 16);
}
public boolean isDisposed() {
return handle == -1;
}
public String toString () {
return "Color {" + getRed() + ", " + getGreen() + ", " + getBlue() + "}";
}
public static Color photon_new(Device device, int handle) {
if (device == null) device = Device.getDevice();
Color color = new Color();
color.handle = handle;
color.device = device;
return color;
}
}
|
