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Current File : //usr/include/GNUstep/AppKit/NSFont.h
/*
NSFont.h
The font class
Copyright (C) 1996 Free Software Foundation, Inc.
Author: Scott Christley <scottc@net-community.com>
Author: Ovidiu Predescu <ovidiu@net-community.com>
Date: 1996, 1997
This file is part of the GNUstep GUI Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; see the file COPYING.LIB.
If not, see <http://www.gnu.org/licenses/> or write to the
Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef _GNUstep_H_NSFont
#define _GNUstep_H_NSFont
#import <GNUstepBase/GSVersionMacros.h>
#import <Foundation/NSObject.h>
#import <Foundation/NSGeometry.h>
#import <AppKit/AppKitDefines.h>
// For NSControlSize
#import <AppKit/NSColor.h>
@class NSAffineTransform;
@class NSCharacterSet;
@class NSDictionary;
@class NSFontDescriptor;
@class NSGraphicsContext;
typedef unsigned int NSGlyph;
enum {
NSControlGlyph = 0x00ffffff,
GSAttachmentGlyph = 0x00fffffe,
NSNullGlyph = 0x0
};
typedef enum _NSGlyphRelation {
NSGlyphBelow,
NSGlyphAbove,
} NSGlyphRelation;
typedef enum _NSMultibyteGlyphPacking {
NSOneByteGlyphPacking,
NSJapaneseEUCGlyphPacking,
NSAsciiWithDoubleByteEUCGlyphPacking,
NSTwoByteGlyphPacking,
NSFourByteGlyphPacking
} NSMultibyteGlyphPacking;
#if OS_API_VERSION(MAC_OS_X_VERSION_10_4, GS_API_LATEST)
typedef enum _NSFontRenderingMode
{
NSFontDefaultRenderingMode = 0,
NSFontAntialiasedRenderingMode,
NSFontIntegerAdvancementsRenderingMode,
NSFontAntialiasedIntegerAdvancementsRenderingMode
} NSFontRenderingMode;
#endif
APPKIT_EXPORT const CGFloat *NSFontIdentityMatrix;
@interface NSFont : NSObject <NSCoding, NSCopying>
{
NSString *fontName;
CGFloat matrix[6];
BOOL matrixExplicitlySet; // unused
BOOL screenFont;
id fontInfo;
void *_fontRef;
/*
If this font was created with a specific "role", like user font, or
message font, and not a specific postscript name, the role will be
stored here.
*/
int role;
/*
For printer fonts, this is a cache of the corresponding screen font.
It is initialized to placeHolder, and is created for real on demand in
-screenFont (and retained). For screen fonts, it's nil.
*/
NSFont *cachedScreenFont;
/*
In the GNUstep implementation, fonts may encapsulate some rendering state
relating to view flipped state, therefore we generate a separate font for
this case. We don't create it by default, unless -set is called in a
flipped context.
*/
NSFont *cachedFlippedFont;
}
//
// Creating a Font Object
//
+ (NSFont*) boldSystemFontOfSize: (CGFloat)fontSize;
+ (NSFont*) fontWithName: (NSString*)aFontName
matrix: (const CGFloat*)fontMatrix;
+ (NSFont*) fontWithName: (NSString*)aFontName
size: (CGFloat)fontSize;
+ (NSFont*) systemFontOfSize: (CGFloat)fontSize;
+ (NSFont*) userFixedPitchFontOfSize: (CGFloat)fontSize;
+ (NSFont*) userFontOfSize: (CGFloat)fontSize;
#if OS_API_VERSION(GS_API_MACOSX, GS_API_LATEST)
+ (NSFont*) titleBarFontOfSize: (CGFloat)fontSize;
+ (NSFont*) menuFontOfSize: (CGFloat)fontSize;
+ (NSFont*) messageFontOfSize: (CGFloat)fontSize;
+ (NSFont*) paletteFontOfSize: (CGFloat)fontSize;
+ (NSFont*) toolTipsFontOfSize: (CGFloat)fontSize;
+ (NSFont*) controlContentFontOfSize: (CGFloat)fontSize;
+ (NSFont*) labelFontOfSize: (CGFloat)fontSize;
+ (NSFont*) menuBarFontOfSize: (CGFloat)fontSize;
#endif
#if OS_API_VERSION(MAC_OS_X_VERSION_10_4, GS_API_LATEST)
+ (NSFont*) fontWithDescriptor: (NSFontDescriptor*)descriptor size: (CGFloat)size;
+ (NSFont*) fontWithDescriptor: (NSFontDescriptor*)descriptor
textTransform: (NSAffineTransform*)transform;
// This method was a mistake in the 10.4 documentation
+ (NSFont*) fontWithDescriptor: (NSFontDescriptor*)descriptor
size: (CGFloat)size
textTransform: (NSAffineTransform*)transform;
#endif
//
// Font Sizes
//
#if OS_API_VERSION(GS_API_MACOSX, GS_API_LATEST)
+ (CGFloat) labelFontSize;
+ (CGFloat) smallSystemFontSize;
+ (CGFloat) systemFontSize;
+ (CGFloat) systemFontSizeForControlSize: (NSControlSize)controlSize;
#endif
//
// Preferred Fonts
//
+ (NSArray*) preferredFontNames;
+ (void) setPreferredFontNames: (NSArray*)fontNames;
//
// Setting the Font
//
+ (void) setUserFixedPitchFont: (NSFont*)aFont;
+ (void) setUserFont: (NSFont*)aFont;
+ (void) useFont: (NSString*)aFontName;
- (void) set;
#if OS_API_VERSION(MAC_OS_X_VERSION_10_4, GS_API_LATEST)
- (void) setInContext: (NSGraphicsContext*)context;
- (NSAffineTransform*) textTransform;
#endif
//
// Querying the Font
//
- (NSDictionary*) afmDictionary;
- (NSString*) afmFileContents;
- (NSRect) boundingRectForFont;
- (NSString*) displayName;
- (NSString*) familyName;
- (NSString*) fontName;
- (NSString*) encodingScheme;
- (BOOL) isFixedPitch;
- (BOOL) isBaseFont;
- (const CGFloat*) matrix;
- (CGFloat) pointSize;
- (NSFont*) printerFont;
- (NSFont*) screenFont;
- (CGFloat) ascender;
- (CGFloat) descender;
- (CGFloat) capHeight;
- (CGFloat) italicAngle;
- (NSSize) maximumAdvancement;
- (NSSize) minimumAdvancement;
- (CGFloat) underlinePosition;
- (CGFloat) underlineThickness;
- (CGFloat) xHeight;
- (CGFloat) widthOfString: (NSString*)string;
- (CGFloat) defaultLineHeightForFont;
#if OS_API_VERSION(MAC_OS_X_VERSION_10_4, GS_API_LATEST)
- (CGFloat) leading;
#endif
#if OS_API_VERSION(GS_API_MACOSX, GS_API_LATEST)
- (NSUInteger) numberOfGlyphs;
- (NSCharacterSet*) coveredCharacterSet;
#endif
#if OS_API_VERSION(MAC_OS_X_VERSION_10_4, GS_API_LATEST)
- (NSFontDescriptor*) fontDescriptor;
- (NSFontRenderingMode) renderingMode;
- (NSFont*) screenFontWithRenderingMode: (NSFontRenderingMode)mode;
#endif
//
// Manipulating Glyphs
//
- (NSSize) advancementForGlyph: (NSGlyph)aGlyph;
- (NSRect) boundingRectForGlyph: (NSGlyph)aGlyph;
- (BOOL) glyphIsEncoded: (NSGlyph)aGlyph;
- (NSMultibyteGlyphPacking) glyphPacking;
- (NSGlyph) glyphWithName: (NSString*)glyphName;
- (NSPoint) positionOfGlyph: (NSGlyph)curGlyph
precededByGlyph: (NSGlyph)prevGlyph
isNominal: (BOOL*)nominal;
- (NSPoint) positionOfGlyph: (NSGlyph)aGlyph
forCharacter: (unichar)aChar
struckOverRect: (NSRect)aRect;
- (NSPoint) positionOfGlyph: (NSGlyph)aGlyph
struckOverGlyph: (NSGlyph)baseGlyph
metricsExist: (BOOL*)flag;
- (NSPoint) positionOfGlyph: (NSGlyph)aGlyph
struckOverRect: (NSRect)aRect
metricsExist: (BOOL*)flag;
- (NSPoint) positionOfGlyph: (NSGlyph)aGlyph
withRelation: (NSGlyphRelation)relation
toBaseGlyph: (NSGlyph)baseGlyph
totalAdvancement: (NSSize*)offset
metricsExist: (BOOL*)flag;
- (int) positionsForCompositeSequence: (NSGlyph*)glyphs
numberOfGlyphs: (int)numGlyphs
pointArray: (NSPoint*)points;
#if OS_API_VERSION(MAC_OS_X_VERSION_10_4, GS_API_LATEST)
- (void) getAdvancements: (NSSizeArray)advancements
forGlyphs: (const NSGlyph*)glyphs
count: (NSUInteger)count;
- (void) getAdvancements: (NSSizeArray)advancements
forPackedGlyphs: (const void*)glyphs
count: (NSUInteger)count;
- (void) getBoundingRects: (NSRectArray)bounds
forGlyphs: (const NSGlyph*)glyphs
count: (NSUInteger)count;
#endif
- (NSStringEncoding) mostCompatibleStringEncoding;
@end
#if OS_API_VERSION(GS_API_MACOSX, GS_API_LATEST)
@class GSFontInfo;
@interface NSFont (GNUstep)
- (GSFontInfo*) fontInfo;
- (void *) fontRef;
@end
int NSConvertGlyphsToPackedGlyphs(NSGlyph*glBuf,
int count,
NSMultibyteGlyphPacking packing,
char*packedGlyphs);
#endif
APPKIT_EXPORT NSString *NSAFMAscender;
APPKIT_EXPORT NSString *NSAFMCapHeight;
APPKIT_EXPORT NSString *NSAFMCharacterSet;
APPKIT_EXPORT NSString *NSAFMDescender;
APPKIT_EXPORT NSString *NSAFMEncodingScheme;
APPKIT_EXPORT NSString *NSAFMFamilyName;
APPKIT_EXPORT NSString *NSAFMFontName;
APPKIT_EXPORT NSString *NSAFMFormatVersion;
APPKIT_EXPORT NSString *NSAFMFullName;
APPKIT_EXPORT NSString *NSAFMItalicAngle;
APPKIT_EXPORT NSString *NSAFMMappingScheme;
APPKIT_EXPORT NSString *NSAFMNotice;
APPKIT_EXPORT NSString *NSAFMUnderlinePosition;
APPKIT_EXPORT NSString *NSAFMUnderlineThickness;
APPKIT_EXPORT NSString *NSAFMVersion;
APPKIT_EXPORT NSString *NSAFMWeight;
APPKIT_EXPORT NSString *NSAFMXHeight;
#if OS_API_VERSION(MAC_OS_X_VERSION_10_11, GS_API_LATEST)
typedef CGFloat NSFontWeight;
APPKIT_EXPORT const CGFloat NSFontWeightUltraLight;
APPKIT_EXPORT const CGFloat NSFontWeightThin;
APPKIT_EXPORT const CGFloat NSFontWeightLight;
APPKIT_EXPORT const CGFloat NSFontWeightRegular;
APPKIT_EXPORT const CGFloat NSFontWeightMedium;
APPKIT_EXPORT const CGFloat NSFontWeightSemibold;
APPKIT_EXPORT const CGFloat NSFontWeightBold;
APPKIT_EXPORT const CGFloat NSFontWeightHeavy;
APPKIT_EXPORT const CGFloat NSFontWeightBlack;
#endif
#endif // _GNUstep_H_NSFont
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