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Addition of typesetter classes.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@6665 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
jagapen
parent
da977d8fff
commit
79d8220583
4 changed files with 431 additions and 0 deletions
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@ -1,3 +1,9 @@
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2000-06-11 Jonathan Gapen <jagapen@home.com>
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* Headers/gnustep/gui/NSTypesetter.h: New file.
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* Source/NSTypesetter.m: Skeleton implementation from Apple docs.
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* Source/NSSimpleHorizontalTypesetter.m: As above.
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2000-06-11 Fred Kiefer <FredKiefer@gmx.de>
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2000-06-11 Fred Kiefer <FredKiefer@gmx.de>
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* Headers/gnustep/gui/NSFont.h:
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* Headers/gnustep/gui/NSFont.h:
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131
Headers/gnustep/gui/NSTypesetter.h
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131
Headers/gnustep/gui/NSTypesetter.h
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@ -0,0 +1,131 @@
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/*
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NSTypesetter.h
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The text layout class(es)
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Copyright (C) 1999 Free Software Foundation, Inc.
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Author: Jonathan Gapen <jagapen@home.com>
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Date: May 2000
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This file is part of the GNUstep GUI Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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||||||
|
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You should have received a copy of the GNU Library General Public
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License along with this library; see the file COPYING.LIB.
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If not, write to the Free Software Foundation,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef GNUstep_H_NSTypesetter
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#define GNUstep_H_NSTypesetter
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#include <AppKit/NSFont.h>
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#include <AppKit/NSLayoutManager.h>
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#include <Foundation/NSGeometry.h>
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#include <Foundation/NSRange.h>
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@class NSParagraphStyle, NSTextContainer, NSTextStorage;
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// FIXME - when the use of this type becomes clear
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typedef void NSTypesetterGlyphInfo;
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typedef enum
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{
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NSLayoutNotDone = 1,
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NSLayoutDone,
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NSLayoutCantFit,
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NSLayoutOutOfGlyphs
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} NSLayoutStatus;
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@interface NSTypesetter : NSObject
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{
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}
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+ (NSSize) printingAdjustmentsInLayoutManager: (NSLayoutManager *)layoutManager
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forNominallySpacedGlyphRange: (NSRange)glyphRange
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packedGlyphs: (const unsigned char *)glyphs
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count: (unsigned)packedGlyphCount;
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+ (id) sharedSystemTypesetter;
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- (float) baselineOffsetInLayoutManager: (NSLayoutManager *)layoutManager
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glyphIndex: (unsigned)glyphIndex;
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- (void) layoutGlyphsInLayoutManager: (NSLayoutManager *)layoutManager
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startingAtGlyphIndex: (unsigned)glyphIndex
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maxNumberOfLineFragments: (unsigned)maxFragments
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nextGlyphIndex: (unsigned *)nextGlyph;
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@end
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//
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// Basic horizontal (l-to-r or r-to-l) typesetter
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//
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@interface NSSimpleHorizontalTypesetter : NSTypesetter
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{
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}
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//
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// Get the shared horizontal typesetter
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//
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+ (id) sharedInstance;
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//
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// Get information about a typesetter
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//
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- (NSTypesetterGlyphInfo *) baseOfTypesetterGlyphInfo;
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- (unsigned) capacityOfTypesetterGlyphInfo;
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- (NSTextContainer *) currentContainer;
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- (NSLayoutManager *) currentLayoutManager;
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- (NSParagraphStyle *) currentParagraphStyle;
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- (NSTextStorage *) currentTextStorage;
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- (unsigned) firstIndexOfCurrentLineFragment;
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- (unsigned) sizeOfTypesetterGlyphInfo;
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//
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// Glyph layout
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//
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- (void) breakLineAtIndex: (unsigned)location;
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- (void) fullJustifyLineAtGlyphIndex: (unsigned)glyphIndex;
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- (unsigned) glyphIndexToBreakLineByHyphenatingWordAtIndex: (unsigned)charIndex;
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- (unsigned) glyphIndexToBreakLineByWrappingAtIndex: (unsigned)charIndex;
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- (void) insertGlyph: (NSGlyph)glyph
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atGlyphIndex: (unsigned) glyphIndex
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characterIndex: (unsigned) charIndex;
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- (NSLayoutStatus) layoutControlGlyphForLineFragment: (NSRect)lineFrag;
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- (NSLayoutStatus) layoutGlyphsInHorizontalLineFragment: (NSRect *)fragRect
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baseline: (float *)baseline;
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- (void) layoutGlyphsInLayoutManager: (NSLayoutManager *)layoutManager
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startingAtGlyphIndex: (unsigned)startGlyphIndex
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maxNumberOfLineFragments: (unsigned)maxNumLines
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nextGlyphIndex: (unsigned *)nextGlyph;
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- (void) layoutTab;
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- (void) typesetterLaidOneGlyph: (NSTypesetterGlyphInfo *)glyphInfo;
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- (void) updateCurGlyphOffset;
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- (void) willSetLineFragmentRect: (NSRect *)aRect
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forGlyphRange: (NSRange)aRange
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usedRect: (NSRect *)usedRect;
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//
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// Caching
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//
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- (void) clearAttributesCache;
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- (void) clearGlyphCache;
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- (void) fillAttributesCache;
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- (unsigned) growGlyphCaches: (unsigned)desiredCapacity
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fillGlyphInfo: (BOOL)flag;
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@end
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#endif /* GNUstep_H_NSTypesetter */
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208
Source/NSSimpleHorizontalTypesetter.m
Normal file
208
Source/NSSimpleHorizontalTypesetter.m
Normal file
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@ -0,0 +1,208 @@
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/*
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NSSimpleHorizontalTypesetter.m
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The text layout class for horizontal scripts
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Copyright (C) 2000 Free Software Foundation, Inc.
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Author: Jonathan Gapen <jagapen@home.com>
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Date: May 2000
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This file is part of the GNUstep GUI Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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|
License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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||||||
|
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You should have received a copy of the GNU Library General Public
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|
License along with this library; see the file COPYING.LIB.
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If not, write to the Free Software Foundation,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <AppKit/NSLayoutManager.h>
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#include <AppKit/NSTypesetter.h>
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#include <Foundation/NSLock.h>
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@implementation NSSimpleHorizontalTypesetter
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static NSSimpleHorizontalTypesetter *_gs_horiz_typesetter = nil;
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static NSLock *_gs_horiz_typesetter_lock;
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+ (void) initialize
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{
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if (self == [NSSimpleHorizontalTypesetter class])
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{
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[self setVersion: 1];
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_gs_horiz_typesetter_lock = [NSLock new];
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}
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}
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+ (id) sharedInstance
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{
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if (_gs_horiz_typesetter == nil)
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{
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[_gs_horiz_typesetter_lock lock];
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if (_gs_horiz_typesetter == nil)
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_gs_horiz_typesetter = RETAIN([NSSimpleHorizontalTypesetter new]);
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[_gs_horiz_typesetter_lock unlock];
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}
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return _gs_horiz_typesetter;
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}
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//
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// Get information about the typesetter
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//
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- (NSTypesetterGlyphInfo *) baseOfTypesetterGlyphInfo
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{
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return nil;
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}
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- (unsigned) capacityOfTypesetterGlyphInfo
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{
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return 0;
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}
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- (NSTextContainer *) currentContainer
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{
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return nil;
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}
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- (NSLayoutManager *) currentLayoutManager
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{
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return nil;
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}
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- (NSParagraphStyle *) currentParagraphStyle
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{
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return nil;
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}
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- (NSTextStorage *) currentTextStorage
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{
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return nil;
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}
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- (unsigned) firstIndexOfCurrentLineFragment
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{
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return 0;
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}
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- (unsigned) sizeOfTypesetterGlyphInfo
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{
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return 0;
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}
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//
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// Glyph layout
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//
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- (void) breakLineAtIndex: (unsigned)location
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{
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return;
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}
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- (void) fullJustifyLineAtGlyphIndex: (unsigned)glyphIndex
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{
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return;
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}
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- (unsigned) glyphIndexToBreakLineByHyphenatingWordAtIndex: (unsigned)charIndex
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{
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return 0;
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}
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- (unsigned) glyphIndexToBreakLineByWrappingAtIndex: (unsigned)charIndex
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{
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return 0;
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}
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- (void) insertGlyph: (NSGlyph)glyph
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atGlyphIndex: (unsigned)glyphIndex
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characterIndex: (unsigned)charIndex
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{
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return;
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}
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- (NSLayoutStatus) layoutControlGlyphForLineFragment: (NSRect)fragRect
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{
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return NSLayoutOutOfGlyphs;
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}
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- (NSLayoutStatus) layoutGlyphsInHorizontalLineFragment: (NSRect *)fragRect
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baseline: (float *)baseline
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{
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*fragRect = NSZeroRect;
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*baseline = 0.0;
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return NSLayoutOutOfGlyphs;
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}
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- (void) layoutGlyphsInLayoutManager: (NSLayoutManager *)layoutManager
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startingAtGlyphIndex: (unsigned)glyphIndex
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maxNumberOfLineFragments: (unsigned)maxNumLines
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nextGlyphIndex: (unsigned *)nextGlyph
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{
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if (nextGlyph != NULL)
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*nextGlyph = glyphIndex;
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}
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- (void) layoutTab
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{
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return;
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}
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- (void) typesetterLaidOneGlyph: (NSTypesetterGlyphInfo *)glyphInfo
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{
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return;
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}
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- (void) updateCurGlyphOffset
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{
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return;
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}
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- (void) willSetLineFragmentRect: (NSRect *)aRect
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forGlyphRange: (NSRange)aRange
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usedRect: (NSRect *)usedRect
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{
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return;
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}
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//
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// Caching
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//
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- (void) clearAttributesCache
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{
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return;
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}
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- (void) clearGlyphCache
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{
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return;
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}
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- (void) fillAttributesCache
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{
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return;
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}
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- (unsigned) growGlyphCaches: (unsigned)newCapacity
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fillGlyphInfo: (BOOL)flag
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{
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return 0;
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}
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@end
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86
Source/NSTypesetter.m
Normal file
86
Source/NSTypesetter.m
Normal file
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@ -0,0 +1,86 @@
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/*
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NSTypesetter.m
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The text layout class
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Copyright (C) 2000 Free Software Foundation, Inc.
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|
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Author: Jonathan Gapen <jagapen@home.com>
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Date: May 2000
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|
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This file is part of the GNUstep GUI Library.
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|
|
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|
This library is free software; you can redistribute it and/or
|
||||||
|
modify it under the terms of the GNU Library 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
|
||||||
|
Library General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU Library General Public
|
||||||
|
License along with this library; see the file COPYING.LIB.
|
||||||
|
If not, write to the Free Software Foundation,
|
||||||
|
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <AppKit/NSLayoutManager.h>
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#include <AppKit/NSTypesetter.h>
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#include <Foundation/NSLock.h>
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@implementation NSTypesetter
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static NSTypesetter *_gs_system_typesetter = nil;
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static NSLock *_gs_typesetter_lock;
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+ (void) initialize
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{
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if (self == [NSTypesetter class])
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{
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[self setVersion: 1];
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_gs_typesetter_lock = [NSLock new];
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}
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}
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+ (id) sharedSystemTypesetter
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{
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if (_gs_system_typesetter == nil)
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{
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[_gs_typesetter_lock lock];
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if (_gs_system_typesetter == nil)
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_gs_system_typesetter = [NSSimpleHorizontalTypesetter sharedInstance];
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[_gs_typesetter_lock unlock];
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}
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return _gs_system_typesetter;
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}
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+ (NSSize) printingAdjustmentsInLayoutManager: (NSLayoutManager *)layoutManager
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forNominallySpacedGlyphRange: (NSRange)glyphRange
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||||||
|
packedGlyphs: (const unsigned char *)glyphs
|
||||||
|
count: (unsigned)packedGlyphCount
|
||||||
|
{
|
||||||
|
return NSMakeSize(0, 0);
|
||||||
|
}
|
||||||
|
|
||||||
|
- (float) baselineOffsetInLayoutManager: (NSLayoutManager *)layoutManager
|
||||||
|
glyphIndex: (unsigned)glyphIndex
|
||||||
|
{
|
||||||
|
return 0.0;
|
||||||
|
}
|
||||||
|
|
||||||
|
- (void) layoutGlyphsInLayoutManager: (NSLayoutManager *)layoutManager
|
||||||
|
startingAtGlyphIndex: (unsigned)glyphIndex
|
||||||
|
maxNumberOfLineFragments: (unsigned)maxFragments
|
||||||
|
nextGlyphIndex: (unsigned *)nextGlyph
|
||||||
|
{
|
||||||
|
if (nextGlyph != NULL)
|
||||||
|
*nextGlyph = glyphIndex;
|
||||||
|
}
|
||||||
|
|
||||||
|
@end
|
||||||
Loading…
Add table
Add a link
Reference in a new issue