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UITextViewWithLines **Use with PSPDFTextView
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// I have used this with PSPDFTextView | |
- (void)drawRect:(CGRect)rect { | |
[super drawRect:rect]; | |
//Get the current drawing context | |
CGContextRef context = UIGraphicsGetCurrentContext(); | |
//Set the line color and width | |
CGContextSetStrokeColorWithColor(context, [UIColor colorWithRed:0.0f green:0.0f blue:0.0f alpha:0.2f].CGColor); | |
CGContextSetLineWidth(context, 1.0f); | |
//Start a new Path | |
CGContextBeginPath(context); | |
//Find the number of lines | |
NSUInteger numberOfLines = (self.contentSize.height + self.bounds.size.height) / self.font.leading; | |
//Set the line offset. Better way probably exists | |
CGFloat baselineOffset = 6.0f; | |
//iterate over lines | |
for (int x = 1; x < numberOfLines; x++) { | |
//0.5f offset lines up line with pixel boundary | |
CGContextMoveToPoint(context, self.bounds.origin.x, self.font.leading*x + 0.5f + baselineOffset); | |
CGContextAddLineToPoint(context, self.bounds.size.width, self.font.leading*x + 0.5f + baselineOffset); | |
} | |
//Close our Path and Stroke (draw) it | |
CGContextClosePath(context); | |
CGContextStrokePath(context); | |
} |
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