blob: 64fb561d0f1a52945b221c1c059cfa42cdcebdc5 (
plain)
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
|
#import "MuWord.h"
@implementation MuWord
{
NSMutableString *string;
CGRect rect;
}
@synthesize string, rect;
- (id) init
{
self = [super init];
if (self)
{
self.string = [NSMutableString string];
self.rect = CGRectNull;
}
return self;
}
- (void) dealloc
{
self.string = nil;
[super dealloc];
}
+ (MuWord *) word
{
return [[[MuWord alloc] init] autorelease];
}
- (void) appendChar:(unichar)c withRect:(CGRect)_rect
{
[string appendFormat:@"%C", c];
rect = CGRectUnion(rect, _rect);
}
+ (void) selectFrom:(CGPoint)pt1 to:(CGPoint)pt2 fromWords:(NSArray *)words onStartLine:(void (^)(void))startBlock onWord:(void (^)(MuWord *))wordBlock onEndLine:(void (^)(void))endBLock
{
CGPoint toppt, botpt;
if (pt1.y < pt2.y)
{
toppt = pt1;
botpt = pt2;
}
else
{
toppt = pt2;
botpt = pt1;
}
for (NSArray *line in words)
{
MuWord *fst = [line objectAtIndex:0];
float ltop = fst.rect.origin.y;
float lbot = ltop + fst.rect.size.height;
if (toppt.y < lbot && ltop < botpt.y)
{
BOOL topline = toppt.y > ltop;
BOOL botline = botpt.y < lbot;
float left = -INFINITY;
float right = INFINITY;
if (topline && botline)
{
left = MIN(toppt.x, botpt.x);
right = MAX(toppt.x, botpt.x);
}
else if (topline)
{
left = toppt.x;
}
else if (botline)
{
right = botpt.x;
}
startBlock();
for (MuWord *word in line)
{
float wleft = word.rect.origin.x;
float wright = wleft + word.rect.size.width;
if (wright > left && wleft < right)
wordBlock(word);
}
endBLock();
}
}
}
@end
|
