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
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
package org.eclipse.swt.graphics;
/*
* (c) Copyright IBM Corp. 2000, 2001.
* All Rights Reserved
*/
import org.eclipse.swt.internal.photon.*;
import org.eclipse.swt.*;
public final class Cursor {
/**
* the type to the OS cursor resource
* (Warning: This field is platform dependent)
*/
public int type;
/**
* the handle to the OS cursor resource
* (Warning: This field is platform dependent)
*/
public int bitmap;
/**
* the device where this cursor was created
*/
Device device;
Cursor() {
}
public Cursor(Device device, int style) {
if (device == null) device = Device.getDevice();
if (device == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
this.device = device;
switch (style) {
case SWT.CURSOR_ARROW: type = OS.Ph_CURSOR_POINTER; break;
case SWT.CURSOR_WAIT: type = OS.Ph_CURSOR_CLOCK; break;
case SWT.CURSOR_HAND: type = OS.Ph_CURSOR_FINGER; break;
case SWT.CURSOR_CROSS: type = OS.Ph_CURSOR_CROSSHAIR; break;
case SWT.CURSOR_APPSTARTING: type = OS.Ph_CURSOR_POINT_WAIT; break;
case SWT.CURSOR_HELP: type = OS.Ph_CURSOR_QUESTION_POINT; break;
case SWT.CURSOR_SIZEALL: type = OS.Ph_CURSOR_MOVE; break;
case SWT.CURSOR_SIZENESW: type = OS.Ph_CURSOR_MOVE; break;
case SWT.CURSOR_SIZENS: type = OS.Ph_CURSOR_DRAG_VERTICAL; break;
case SWT.CURSOR_SIZENWSE: type = OS.Ph_CURSOR_MOVE; break;
case SWT.CURSOR_SIZEWE: type = OS.Ph_CURSOR_DRAG_HORIZONTAL; break;
case SWT.CURSOR_SIZEN: type = OS.Ph_CURSOR_DRAG_TOP; break;
case SWT.CURSOR_SIZES: type = OS.Ph_CURSOR_DRAG_BOTTOM; break;
case SWT.CURSOR_SIZEE: type = OS.Ph_CURSOR_DRAG_RIGHT; break;
case SWT.CURSOR_SIZEW: type = OS.Ph_CURSOR_DRAG_LEFT; break;
case SWT.CURSOR_SIZENE: type = OS.Ph_CURSOR_DRAG_TR; break;
case SWT.CURSOR_SIZESE: type = OS.Ph_CURSOR_DRAG_BR; break;
case SWT.CURSOR_SIZESW: type = OS.Ph_CURSOR_DRAG_BL; break;
case SWT.CURSOR_SIZENW: type = OS.Ph_CURSOR_DRAG_TL; break;
case SWT.CURSOR_UPARROW: type = OS.Ph_CURSOR_FINGER; break;
case SWT.CURSOR_IBEAM: type = OS.Ph_CURSOR_INSERT; break;
case SWT.CURSOR_NO: type = OS.Ph_CURSOR_DONT; break;
default:
SWT.error(SWT.ERROR_INVALID_ARGUMENT);
}
if (type == 0) SWT.error(SWT.ERROR_NO_HANDLES);
if (device.tracking) device.new_Object(this);
}
public Cursor(Device device, ImageData source, ImageData mask, int hotspotX, int hotspotY) {
if (device == null) device = Device.getDevice();
if (device == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
this.device = device;
if (source == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
if (mask == null) {
if (source.getTransparencyType() != SWT.TRANSPARENCY_MASK) {
SWT.error(SWT.ERROR_NULL_ARGUMENT);
}
mask = source.getTransparencyMask();
}
/* Check the bounds. Mask must be the same size as source */
if (mask.width != source.width || mask.height != source.height) {
SWT.error(SWT.ERROR_INVALID_ARGUMENT);
}
/* Check color depths */
if (mask.depth != 1) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
if (source.depth != 1) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
/* Check the hotspots */
if (hotspotX >= source.width || hotspotX < 0 ||
hotspotY >= source.height || hotspotY < 0) {
SWT.error(SWT.ERROR_INVALID_ARGUMENT);
}
type = OS.Ph_CURSOR_BITMAP;
short w = (short)source.width;
short h = (short)source.height;
ImageData mask1 = new ImageData(w, h, 1, source.palette);
ImageData mask2 = new ImageData(w, h, 1, mask.palette);
for (int y=0; y<h; y++) {
for (int x=0; x<w; x++) {
int mask1_pixel, src_pixel = source.getPixel(x, y);
int mask2_pixel, mask_pixel = mask.getPixel(x, y);
if (src_pixel == 0 && mask_pixel == 0) {
// BLACK
mask1_pixel = 0;
mask2_pixel = 1;
} else if (src_pixel == 0 && mask_pixel == 1) {
// WHITE - cursor color
mask1_pixel = 1;
mask2_pixel = 0;
} else if (src_pixel == 1 && mask_pixel == 0) {
// SCREEN
mask1_pixel = 0;
mask2_pixel = 0;
} else {
/*
* Feature in Photon. It is not possible to have
* the reverse screen case using the Photon support.
* Reverse screen will be the same as screen.
*/
// REVERSE SCREEN -> SCREEN
mask1_pixel = 0;
mask2_pixel = 0;
}
mask1.setPixel(x, y, mask1_pixel);
mask2.setPixel(x, y, mask2_pixel);
}
}
PhCursorDef_t cursor = new PhCursorDef_t();
cursor.size1_x = w;
cursor.size1_y = h;
cursor.offset1_x = (short)-hotspotX;
cursor.offset1_y = (short)-hotspotY;
cursor.bytesperline1 = (byte)mask1.bytesPerLine;
cursor.color1 = OS.Ph_CURSOR_DEFAULT_COLOR;
cursor.size2_x = w;
cursor.size2_y = h;
cursor.offset2_x = (short)-hotspotX;
cursor.offset2_y = (short)-hotspotY;
cursor.bytesperline2 = (byte)mask2.bytesPerLine;
cursor.color2 = 0x000000;
int mask1Size = cursor.bytesperline1 * cursor.size1_y;
int mask2Size = cursor.bytesperline2 * cursor.size2_y;
bitmap = OS.malloc(PhCursorDef_t.sizeof + mask1Size + mask2Size);
if (bitmap == 0) SWT.error(SWT.ERROR_NO_HANDLES);
OS.memmove(bitmap, cursor, PhCursorDef_t.sizeof);
OS.memmove(bitmap + PhCursorDef_t.sizeof, mask1.data, mask1Size);
OS.memmove(bitmap + PhCursorDef_t.sizeof + mask1Size, mask2.data, mask2Size);
if (device.tracking) device.new_Object(this);
}
public void dispose () {
if (type == 0) return;
if (type == OS.Ph_CURSOR_BITMAP && bitmap != 0) {
OS.free(bitmap);
}
type = bitmap = 0;
if (device.tracking) device.dispose_Object(this);
device = null;
}
public boolean equals (Object object) {
if (object == this) return true;
if (!(object instanceof Cursor)) return false;
Cursor cursor = (Cursor) object;
return device == cursor.device && type == cursor.type &&
bitmap == cursor.bitmap;
}
public int hashCode () {
return bitmap ^ type;
}
public boolean isDisposed() {
return type == 0;
}
public static Cursor photon_new(Device device, int type, int bitmap) {
if (device == null) device = Device.getDevice();
Cursor cursor = new Cursor();
cursor.type = type;
cursor.bitmap = bitmap;
cursor.device = device;
return cursor;
}
public String toString () {
if (isDisposed()) return "Cursor {*DISPOSED*}";
return "Cursor {" + type + "," + bitmap + "}";
}
}
|
