Created
January 30, 2014 15:35
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Wrap HTML with a given UIColor and UIFont
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| + (NSString *)htmlFromBodyString:(NSString *)htmlBodyString | |
| textFont:(UIFont *)font | |
| textColor:(UIColor *)textColor | |
| { | |
| int numComponents = CGColorGetNumberOfComponents([textColor CGColor]); | |
| NSAssert(numComponents == 4 || numComponents == 2, @"Unsupported color format"); | |
| // E.g. FF00A5 | |
| NSString *colorHexString = nil; | |
| const CGFloat *components = CGColorGetComponents([textColor CGColor]); | |
| if (numComponents == 4) | |
| { | |
| unsigned int red = components[0] * 255; | |
| unsigned int green = components[1] * 255; | |
| unsigned int blue = components[2] * 255; | |
| colorHexString = [NSString stringWithFormat:@"%02X%02X%02X", red, green, blue]; | |
| } | |
| else | |
| { | |
| unsigned int white = components[0] * 255; | |
| colorHexString = [NSString stringWithFormat:@"%02X%02X%02X", white, white, white]; | |
| } | |
| NSString *HTML = [NSString stringWithFormat:@"<html>\n" | |
| "<head>\n" | |
| "<style type=\"text/css\">\n" | |
| "body {font-family: \"%@\"; font-size: %@; color:#%@;}\n" | |
| "</style>\n" | |
| "</head>\n" | |
| "<body>%@</body>\n" | |
| "</html>", | |
| font.familyName, @(font.pointSize), colorHexString, htmlBodyString]; | |
| return HTML; | |
| } |
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Based on this SO answer:
http://stackoverflow.com/a/452883/296446