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#import "MuWord.h"
@implementation MuWord
{
NSMutableString *string;
CGRect rect;
}
@synthesize string, rect;
- (instancetype) 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[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
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