//

// WDTextPath.h

// Inkpad

//

// This Source Code Form is subject to the terms of the Mozilla Public

// License, v. 2.0. If a copy of the MPL was not distributed with this

// file, You can obtain one at http://mozilla.org/MPL/2.0/.

//

// Copyright (c) 2011-2013 Steve Sprang

//

#import "WDPath.h"

#import "WDTextRenderer.h"

typedef enum {

kWDTextPathAlignmentBaseline,

kWDTextPathAlignmentCentered, // currently unsupported

kWDTextPathAlignmentVertical // currently unsupported

} WDTextPathAlignment;

@interface WDTextPath : WDPath <NSCoding, NSCopying, WDTextRenderer> {

NSString *text_;

NSString *fontName_;

float fontSize_;

WDTextPathAlignment alignment_;

float startOffset_;

CGAffineTransform transform_;

CTFontRef fontRef_;

BOOL needsLayout_;

NSMutableArray *glyphs_;

BOOL overflow_;

CGRect styleBounds_;

NSString *cachedText_;

NSNumber *cachedStartOffset_;

}

@property (nonatomic, strong) NSString *text;

@property (nonatomic, strong) NSString *fontName;

@property (nonatomic, assign) float fontSize;

@property (nonatomic, readonly) CTFontRef fontRef;

@property (nonatomic, assign) WDTextPathAlignment alignment;

@property (nonatomic, assign) float startOffset;

@property (nonatomic, readonly) NSAttributedString *attributedString;

@property (nonatomic, strong) NSNumber *cachedStartOffset;

+ (WDTextPath *) textPathWithPath:(WDPath *)path;

- (void) setFontName:(NSString *)fontName;

- (void) setFontSize:(float)fontSize;

- (void) moveStartKnobToNearestPoint:(CGPoint)pt;

- (void) cacheOriginalText;

- (void) registerUndoWithCachedText;

- (void) cacheOriginalStartOffset;

- (void) registerUndoWithCachedStartOffset;

- (void) resetTransform;

@end