xref: /AOO41X/main/vcl/aqua/source/gdi/ctfonts.hxx (revision 5b651169cb56329d559cf4797501f83b43ee9477)
1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
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8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
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11  *   http://www.apache.org/licenses/LICENSE-2.0
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13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 #include "aqua/salgdi.h"
23 #include "sallayout.hxx"
24 
25 #include <ApplicationServices/ApplicationServices.h>
26 
27 // =======================================================================
28 
29 class CTTextStyle
30 :   public ImplMacTextStyle
31 {
32 public:
33     explicit    CTTextStyle( const ImplFontSelectData& );
34     virtual     ~CTTextStyle( void );
35 
36     virtual SalLayout* GetTextLayout( void ) const;
37 
38     virtual void    GetFontMetric( float fDPIY, ImplFontMetricData& ) const;
39     virtual bool    GetGlyphBoundRect( sal_GlyphId, Rectangle& ) const;
40     virtual bool    GetGlyphOutline( sal_GlyphId, basegfx::B2DPolyPolygon& ) const;
41 
SetTextColor(const RGBAColor &)42     virtual void    SetTextColor( const RGBAColor& ) {}
43 
44 private:
45     /// CoreText text style object
46     CFMutableDictionaryRef  mpStyleDict;
47 
48     friend class CTLayout;
GetStyleDict(void) const49     CFMutableDictionaryRef  GetStyleDict( void ) const { return mpStyleDict; }
50 };
51 
52 // =======================================================================
53 
54 #ifndef DISABLE_CORETEXT_DYNLOAD
55 // the CoreText symbols may need to be loaded dynamically
56 // since platform targets like OSX 10.4 do not provide all required symbols
57 // TODO: avoid the dlsym stuff if the target platform is >= OSX10.5
58 
59 class DynCoreTextSyms
60 {
61 public:
62     // dynamic symbols to access the CoreText API
63     uint32_t    (*GetCoreTextVersion)(void);
64     CTFontCollectionRef (*FontCollectionCreateFromAvailableFonts)(CFDictionaryRef);
65     CFArrayRef  (*FontCollectionCreateMatchingFontDescriptors)(CTFontCollectionRef);
66     CGPathRef   (*FontCreatePathForGlyph)(CTFontRef,CGGlyph,const CGAffineTransform*);
67     CGRect          (*FontGetBoundingRectsForGlyphs)(CTFontRef,CTFontOrientation,CGGlyph*,CGRect*,CFIndex);
68     CTLineRef   (*LineCreateJustifiedLine)(CTLineRef,CGFloat,double);
69     double      (*LineGetTrailingWhitespaceWidth)(CTLineRef);
70     CGFloat     (*LineGetOffsetForStringIndex)(CTLineRef,CFIndex,CGFloat*);
71     CFArrayRef  (*LineGetGlyphRuns)(CTLineRef);
72     CFIndex     (*RunGetGlyphCount)(CTRunRef);
73     const CGGlyph*  (*RunGetGlyphsPtr)(CTRunRef);
74     const CGPoint*  (*RunGetPositionsPtr)(CTRunRef);
75     const CGSize*   (*RunGetAdvancesPtr)(CTRunRef);
76     const CFIndex * (*RunGetStringIndicesPtr)(CTRunRef);
77 
78     // singleton helpers
79     static const DynCoreTextSyms& get( void );
IsActive(void) const80     bool        IsActive( void ) const { return mbIsActive; }
81 
82 private:
83     explicit    DynCoreTextSyms( void );
84     bool        mbIsActive;
85 };
86 
87 #endif // DISABLE_CORETEXT_DYNLOAD
88 
89 // =======================================================================
90 
91