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
|
//
// NodeSelectionLayer.m
// TikZiT
//
// Copyright 2010 Aleks Kissinger. All rights reserved.
//
//
// This file is part of TikZiT.
//
// TikZiT is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// TikZiT is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with TikZiT. If not, see <http://www.gnu.org/licenses/>.
//
#import "NodeSelectionLayer.h"
#import "NodeLayer.h"
#import "CircleShape.h"
@implementation NodeSelectionLayer
@synthesize nodeLayer;
- (id)init {
[super init];
selected = NO;
drawLock = [[NSLock alloc] init];
nodeLayer = nil;
[self setOpacity:0.0f];
return self;
}
- (void)select {
selected = YES;
[self setOpacity:0.5f];
}
- (void)deselect {
selected = NO;
[self setOpacity:0.0f];
}
- (void)highlight {
if (!selected) {
[self setOpacity:0.25f];
}
}
- (void)unhighlight {
if (!selected) {
[self setOpacity:0.0f];
}
}
//- (CGMutablePathRef)path {
// return path;
//}
//
//- (void)setPath:(CGMutablePathRef)p {
// path = CGPathCreateMutableCopy(p);
// CFMakeCollectable(path);
//}
- (void)drawInContext:(CGContextRef)context {
[drawLock lock];
CGContextSaveGState(context);
//CGContextSetRGBStrokeColor(context, 0.61f, 0.735f, 1.0f, 1.0f);
CGContextSetRGBStrokeColor(context, 0.61f, 0.735f, 1.0f, 1.0f);
CGContextSetRGBFillColor(context, 0.61f, 0.735f, 1.0f, 1.0f);
CGContextSetLineWidth(context, 6.0f);
if (nodeLayer != nil) {
CGContextAddPath(context, [nodeLayer path]);
} else {
NSLog(@"WARNING: attempting to draw selection with path = nil.");
}
CGContextDrawPath(context, kCGPathFillStroke);
CGContextRestoreGState(context);
[drawLock unlock];
}
@end
|
