From 9cd57b731ab1c666d4a1cb725538fdc137763d12 Mon Sep 17 00:00:00 2001 From: Starla Insigna Date: Sat, 30 Jul 2011 11:19:14 -0400 Subject: Initial commit (version 0.2.1) --- libs/FontLabel/FontLabel.m | 195 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 195 insertions(+) create mode 100755 libs/FontLabel/FontLabel.m (limited to 'libs/FontLabel/FontLabel.m') diff --git a/libs/FontLabel/FontLabel.m b/libs/FontLabel/FontLabel.m new file mode 100755 index 0000000..58975b1 --- /dev/null +++ b/libs/FontLabel/FontLabel.m @@ -0,0 +1,195 @@ +// +// FontLabel.m +// FontLabel +// +// Created by Kevin Ballard on 5/8/09. +// Copyright © 2009 Zynga Game Networks +// +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// + +#import "FontLabel.h" +#import "FontManager.h" +#import "FontLabelStringDrawing.h" +#import "ZFont.h" + +@interface ZFont (ZFontPrivate) +@property (nonatomic, readonly) CGFloat ratio; +@end + +@implementation FontLabel +@synthesize zFont; +@synthesize zAttributedText; + +- (id)initWithFrame:(CGRect)frame fontName:(NSString *)fontName pointSize:(CGFloat)pointSize { + return [self initWithFrame:frame zFont:[[FontManager sharedManager] zFontWithName:fontName pointSize:pointSize]]; +} + +- (id)initWithFrame:(CGRect)frame zFont:(ZFont *)font { + if ((self = [super initWithFrame:frame])) { + zFont = [font retain]; + } + return self; +} + +- (id)initWithFrame:(CGRect)frame font:(CGFontRef)font pointSize:(CGFloat)pointSize { + return [self initWithFrame:frame zFont:[ZFont fontWithCGFont:font size:pointSize]]; +} + +- (CGFontRef)cgFont { + return self.zFont.cgFont; +} + +- (void)setCGFont:(CGFontRef)font { + if (self.zFont.cgFont != font) { + self.zFont = [ZFont fontWithCGFont:font size:self.zFont.pointSize]; + } +} + +- (CGFloat)pointSize { + return self.zFont.pointSize; +} + +- (void)setPointSize:(CGFloat)pointSize { + if (self.zFont.pointSize != pointSize) { + self.zFont = [ZFont fontWithCGFont:self.zFont.cgFont size:pointSize]; + } +} + +- (void)setZAttributedText:(ZAttributedString *)attStr { + if (zAttributedText != attStr) { + [zAttributedText release]; + zAttributedText = [attStr copy]; + [self setNeedsDisplay]; + } +} + +- (void)drawTextInRect:(CGRect)rect { + if (self.zFont == NULL && self.zAttributedText == nil) { + [super drawTextInRect:rect]; + return; + } + + if (self.zAttributedText == nil) { + // this method is documented as setting the text color for us, but that doesn't appear to be the case + if (self.highlighted) { + [(self.highlightedTextColor ?: [UIColor whiteColor]) setFill]; + } else { + [(self.textColor ?: [UIColor blackColor]) setFill]; + } + + ZFont *actualFont = self.zFont; + CGSize origSize = rect.size; + if (self.numberOfLines == 1) { + origSize.height = actualFont.leading; + CGPoint point = CGPointMake(rect.origin.x, + rect.origin.y + roundf(((rect.size.height - actualFont.leading) / 2.0f))); + CGSize size = [self.text sizeWithZFont:actualFont]; + if (self.adjustsFontSizeToFitWidth && self.minimumFontSize < actualFont.pointSize) { + if (size.width > origSize.width) { + CGFloat desiredRatio = (origSize.width * actualFont.ratio) / size.width; + CGFloat desiredPointSize = desiredRatio * actualFont.pointSize / actualFont.ratio; + actualFont = [actualFont fontWithSize:MAX(MAX(desiredPointSize, self.minimumFontSize), 1.0f)]; + size = [self.text sizeWithZFont:actualFont]; + } + if (!CGSizeEqualToSize(origSize, size)) { + switch (self.baselineAdjustment) { + case UIBaselineAdjustmentAlignCenters: + point.y += roundf((origSize.height - size.height) / 2.0f); + break; + case UIBaselineAdjustmentAlignBaselines: + point.y += (self.zFont.ascender - actualFont.ascender); + break; + case UIBaselineAdjustmentNone: + break; + } + } + } + size.width = MIN(size.width, origSize.width); + // adjust the point for alignment + switch (self.textAlignment) { + case UITextAlignmentLeft: + break; + case UITextAlignmentCenter: + point.x += (origSize.width - size.width) / 2.0f; + break; + case UITextAlignmentRight: + point.x += origSize.width - size.width; + break; + } + [self.text drawAtPoint:point forWidth:size.width withZFont:actualFont lineBreakMode:self.lineBreakMode]; + } else { + CGSize size = [self.text sizeWithZFont:actualFont constrainedToSize:origSize lineBreakMode:self.lineBreakMode numberOfLines:self.numberOfLines]; + CGPoint point = rect.origin; + point.y += roundf((rect.size.height - size.height) / 2.0f); + rect = (CGRect){point, CGSizeMake(rect.size.width, size.height)}; + [self.text drawInRect:rect withZFont:actualFont lineBreakMode:self.lineBreakMode alignment:self.textAlignment numberOfLines:self.numberOfLines]; + } + } else { + ZAttributedString *attStr = self.zAttributedText; + if (self.highlighted) { + // modify the string to change the base color + ZMutableAttributedString *mutStr = [[attStr mutableCopy] autorelease]; + NSRange activeRange = NSMakeRange(0, attStr.length); + while (activeRange.length > 0) { + NSRange effective; + UIColor *color = [attStr attribute:ZForegroundColorAttributeName atIndex:activeRange.location + longestEffectiveRange:&effective inRange:activeRange]; + if (color == nil) { + [mutStr addAttribute:ZForegroundColorAttributeName value:[UIColor whiteColor] range:effective]; + } + activeRange.location += effective.length, activeRange.length -= effective.length; + } + attStr = mutStr; + } + CGSize size = [attStr sizeConstrainedToSize:rect.size lineBreakMode:self.lineBreakMode numberOfLines:self.numberOfLines]; + CGPoint point = rect.origin; + point.y += roundf((rect.size.height - size.height) / 2.0f); + rect = (CGRect){point, CGSizeMake(rect.size.width, size.height)}; + [attStr drawInRect:rect withLineBreakMode:self.lineBreakMode alignment:self.textAlignment numberOfLines:self.numberOfLines]; + } +} + +- (CGRect)textRectForBounds:(CGRect)bounds limitedToNumberOfLines:(NSInteger)numberOfLines { + if (self.zFont == NULL && self.zAttributedText == nil) { + return [super textRectForBounds:bounds limitedToNumberOfLines:numberOfLines]; + } + + if (numberOfLines == 1) { + // if numberOfLines == 1 we need to use the version that converts spaces + CGSize size; + if (self.zAttributedText == nil) { + size = [self.text sizeWithZFont:self.zFont]; + } else { + size = [self.zAttributedText size]; + } + bounds.size.width = MIN(bounds.size.width, size.width); + bounds.size.height = MIN(bounds.size.height, size.height); + } else { + if (numberOfLines > 0) bounds.size.height = MIN(bounds.size.height, self.zFont.leading * numberOfLines); + if (self.zAttributedText == nil) { + bounds.size = [self.text sizeWithZFont:self.zFont constrainedToSize:bounds.size lineBreakMode:self.lineBreakMode]; + } else { + bounds.size = [self.zAttributedText sizeConstrainedToSize:bounds.size lineBreakMode:self.lineBreakMode]; + } + } + return bounds; +} + +- (void)dealloc { + [zFont release]; + [zAttributedText release]; + [super dealloc]; +} +@end -- cgit 1.4.1