36 lines
1.7 KiB
Objective-C
36 lines
1.7 KiB
Objective-C
//
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// BitmapFont.h
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// Copyright © 2018 Ben Zotto. All rights reserved.
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//
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#import <Foundation/Foundation.h>
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#import "CharacterImage.h"
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@interface BitmapFont : NSObject
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@property (readonly) NSString * name; // Text name of font if known, derived from ID.
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@property (readonly) NSInteger size; // Point size (pixels), derived from ID.
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@property (readonly) BOOL isProportional; // YES if proportional; NO if fixed-width.
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@property (readonly) NSInteger firstChar; // ASCII code of first character
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@property (readonly) NSInteger lastChar; // ASCII code of last character
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@property (readonly) NSInteger widMax; // maximum character width
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@property (readonly) NSInteger kernMax; // negative of maximum character kern
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@property (readonly) NSInteger nDescent; // negative of descent
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@property (readonly) NSInteger fRectWidth; // width of font rectangle
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@property (readonly) NSInteger fRectHeight; // height of font rectangle
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@property (readonly) NSInteger ascent; // ascent
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@property (readonly) NSInteger descent; // descent
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@property (readonly) NSInteger leading; // leading
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// Data is assumed to be an original Macintosh FONT resource in its original packed,
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// big-endian format, as documented in Inside Macintosh. The resource ID is assumed
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// to be a string containing only numeric digits. This routine does basic sanity
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// checking on input data but is NOT exhaustively hardened against e.g. corrupt or
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// maliciously-crafted data.
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+ (instancetype)fontFromResourceData:(NSData *)data withResourceIdString:(NSString *)resourceId;
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- (NSUInteger)countOfPresentCharacters;
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- (BOOL)characterIsPresent:(NSUInteger)character;
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- (CharacterImage *)imageForCharacter:(NSUInteger)character;
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- (CharacterImage *)missingCharacterImage;
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@end
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