xref: /trunk/main/vcl/inc/aqua/salgdi.h (revision 387543897bcdff89def2cf8c8bfdb0b954c2ac76)
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21 
22 
23 
24 #ifndef _SV_SALGDI_H
25 #define _SV_SALGDI_H
26 
27 #include "basegfx/polygon/b2dpolypolygon.hxx"
28 
29 #include "premac.h"
30 #include <ApplicationServices/ApplicationServices.h>
31 #include "postmac.h"
32 
33 #include "aqua/aquavcltypes.h"
34 
35 #include "outfont.hxx"
36 #include "salgdi.hxx"
37 
38 #include <vector>
39 
40 class AquaSalFrame;
41 class AquaSalBitmap;
42 class ImplDevFontAttributes;
43 class ImplMacTextStyle;
44 
45 struct CGRect;
46 
47 #ifndef CGFLOAT_TYPE
48 typedef float CGFloat;
49 #endif
50 
51 // mac specific physically available font face
52 class ImplMacFontData : public ImplFontData
53 {
54 public:
55     ImplMacFontData( const ImplDevFontAttributes&, ATSUFontID );
56 
57     virtual ~ImplMacFontData();
58 
59     virtual ImplFontData*   Clone() const;
60     virtual ImplFontEntry*  CreateFontInstance( ImplFontSelectData& ) const;
61     virtual sal_IntPtr      GetFontId() const;
62 
63     const ImplFontCharMap*  GetImplFontCharMap() const;
64     bool                    HasChar( sal_uInt32 cChar ) const;
65 
66     void                    ReadOs2Table() const;
67     void                    ReadMacCmapEncoding() const;
68     bool                    HasCJKSupport() const;
69 
70 private:
71     const ATSUFontID            mnFontId;
72     mutable const ImplFontCharMap*  mpCharMap;
73     mutable bool                mbOs2Read;       // true if OS2-table related info is valid
74     mutable bool                mbHasOs2Table;
75     mutable bool                mbCmapEncodingRead; // true if cmap encoding of Mac font is read
76     mutable bool                mbHasCJKSupport; // #i78970# CJK fonts need extra leading
77 };
78 
79 // abstracting quartz color instead of having to use an CGFloat[] array
80 class RGBAColor
81 {
82 public:
83     RGBAColor( SalColor );
84     RGBAColor( float fRed, float fGreen, float fBlue, float fAlpha ); //NOTUSEDYET
85     void SetAlpha( float fAlpha ) { mfRGBA[3] = fAlpha; }
86 
87     bool IsVisible() const        { return (mfRGBA[3] > 0); }
88     const CGFloat* AsArray() const  { return mfRGBA; }
89     CGFloat GetRed() const   { return mfRGBA[0]; }
90     CGFloat GetGreen() const { return mfRGBA[1]; }
91     CGFloat GetBlue() const  { return mfRGBA[2]; }
92     CGFloat GetAlpha() const { return mfRGBA[3]; }
93  private:
94     CGFloat mfRGBA[4]; // RGBA
95 };
96 
97 // -------------------
98 // - AquaSalGraphics -
99 // -------------------
100 class AquaSalGraphics : public SalGraphics
101 {
102     friend class ATSLayout;
103 protected:
104     AquaSalFrame*                           mpFrame;
105     CGLayerRef                              mxLayer;    // Quartz graphics layer
106     CGContextRef                            mrContext;  // Quartz drawing context
107     class XorEmulation*                     mpXorEmulation;
108     int                                     mnXorMode; // 0: off 1: on 2: invert only
109     int                                     mnWidth;
110     int                                     mnHeight;
111     int                                     mnBitmapDepth;  // zero unless bitmap
112     /// device resolution of this graphics
113     long                                    mnRealDPIX;
114     long                                    mnRealDPIY;
115     /// some graphics implementations (e.g. AquaSalInfoPrinter) scale
116     /// everything down by a factor (see SetupPrinterGraphics for details)
117     /// so we have to compensate for it with the inverse factor
118     double                                  mfFakeDPIScale;
119 
120     /// path representing current clip region
121     CGMutablePathRef                        mxClipPath;
122 
123     /// Drawing colors
124     /// pen color RGBA
125     RGBAColor                               maLineColor;
126     /// brush color RGBA
127     RGBAColor                               maFillColor;
128 
129     // Device Font settings
130     const ImplMacFontData*                  mpMacFontData;
131     /// ATSU style object which carries all font attributes
132     ATSUStyle                               maATSUStyle;
133     /// text rotation as ATSU angle
134     Fixed                                   mnATSUIRotation;
135     /// workaround to prevent ATSU overflows for huge font sizes
136     float                                   mfFontScale;
137     /// <1.0: font is squeezed, >1.0 font is stretched, else 1.0
138     float                                   mfFontStretch;
139     /// allows text to be rendered without antialiasing
140     bool                                    mbNonAntialiasedText;
141 
142     // Graphics types
143 
144     /// is this a printer graphics
145     bool                                    mbPrinter;
146     /// is this a virtual device graphics
147     bool                                    mbVirDev;
148     /// is this a window graphics
149     bool                                    mbWindow;
150 
151 public:
152     AquaSalGraphics();
153     virtual ~AquaSalGraphics();
154 
155     bool                IsPenVisible() const    { return maLineColor.IsVisible(); }
156     bool                IsBrushVisible() const  { return maFillColor.IsVisible(); }
157 
158     void                SetWindowGraphics( AquaSalFrame* pFrame );
159     void                SetPrinterGraphics( CGContextRef, long nRealDPIX, long nRealDPIY, double fFakeScale );
160     void                SetVirDevGraphics( CGLayerRef, CGContextRef, int nBitDepth = 0 );
161 
162     void                initResolution( NSWindow* );
163     void                copyResolution( AquaSalGraphics& );
164     void                updateResolution();
165 
166     bool                IsWindowGraphics()      const   { return mbWindow; }
167     bool                IsPrinterGraphics()     const   { return mbPrinter; }
168     bool                IsVirDevGraphics()      const   { return mbVirDev; }
169     AquaSalFrame*       getGraphicsFrame() const { return mpFrame; }
170     void                setGraphicsFrame( AquaSalFrame* pFrame ) { mpFrame = pFrame; }
171 
172     void                ImplDrawPixel( long nX, long nY, const RGBAColor& ); // helper to draw single pixels
173 
174     bool                CheckContext();
175     void                UpdateWindow( NSRect& ); // delivered in NSView coordinates
176     void                RefreshRect( const CGRect& );
177 #ifndef __x86_64__ // on 64bit OSX NSRect is typedef'ed as CGRect
178     void                RefreshRect( const NSRect& );
179 #endif
180     void                RefreshRect(float lX, float lY, float lWidth, float lHeight);
181 
182     void                SetState();
183     void                UnsetState();
184     // InvalidateContext does an UnsetState and sets mrContext to 0
185     void                InvalidateContext();
186 
187     virtual bool        setClipRegion( const Region& );
188 
189     // draw --> LineColor and FillColor and RasterOp and ClipRegion
190     virtual void        drawPixel( long nX, long nY );
191     virtual void        drawPixel( long nX, long nY, SalColor nSalColor );
192     virtual void        drawLine( long nX1, long nY1, long nX2, long nY2 );
193     virtual void        drawRect( long nX, long nY, long nWidth, long nHeight );
194     virtual void        drawPolyLine( sal_uInt32 nPoints, const SalPoint* pPtAry );
195     virtual void        drawPolygon( sal_uInt32 nPoints, const SalPoint* pPtAry );
196     virtual void        drawPolyPolygon( sal_uInt32 nPoly, const sal_uInt32* pPoints, PCONSTSALPOINT* pPtAry );
197     virtual bool        drawPolyPolygon( const ::basegfx::B2DPolyPolygon&, double fTransparency );
198     virtual sal_Bool    drawPolyLineBezier( sal_uInt32 nPoints, const SalPoint* pPtAry, const sal_uInt8* pFlgAry );
199     virtual sal_Bool    drawPolygonBezier( sal_uInt32 nPoints, const SalPoint* pPtAry, const sal_uInt8* pFlgAry );
200     virtual sal_Bool    drawPolyPolygonBezier( sal_uInt32 nPoly, const sal_uInt32* pPoints, const SalPoint* const* pPtAry, const sal_uInt8* const* pFlgAry );
201     virtual bool        drawPolyLine(
202         const ::basegfx::B2DPolygon&,
203         double fTransparency,
204         const ::basegfx::B2DVector& rLineWidths,
205         basegfx::B2DLineJoin,
206         com::sun::star::drawing::LineCap eLineCap);
207 
208     // CopyArea --> No RasterOp, but ClipRegion
209     virtual void        copyArea( long nDestX, long nDestY, long nSrcX, long nSrcY, long nSrcWidth,
210                                   long nSrcHeight, sal_uInt16 nFlags );
211 
212     // CopyBits and DrawBitmap --> RasterOp and ClipRegion
213     // CopyBits() --> pSrcGraphics == NULL, then CopyBits on same Graphics
214     virtual void        copyBits( const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics );
215     virtual void        drawBitmap( const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap );
216     virtual void        drawBitmap( const SalTwoRect& rPosAry,
217                                     const SalBitmap& rSalBitmap,
218                                     SalColor nTransparentColor );
219     virtual void        drawBitmap( const SalTwoRect& rPosAry,
220                                     const SalBitmap& rSalBitmap,
221                                     const SalBitmap& rTransparentBitmap );
222     virtual void        drawMask( const SalTwoRect& rPosAry,
223                                   const SalBitmap& rSalBitmap,
224                                   SalColor nMaskColor );
225 
226     virtual SalBitmap*  getBitmap( long nX, long nY, long nWidth, long nHeight );
227     virtual SalColor    getPixel( long nX, long nY );
228 
229     // invert --> ClipRegion (only Windows or VirDevs)
230     virtual void        invert( long nX, long nY, long nWidth, long nHeight, SalInvert nFlags);
231     virtual void        invert( sal_uInt32 nPoints, const SalPoint* pPtAry, SalInvert nFlags );
232 
233     virtual sal_Bool        drawEPS( long nX, long nY, long nWidth, long nHeight, void* pPtr, sal_uLong nSize );
234 
235     virtual bool            drawAlphaBitmap( const SalTwoRect&,
236                                              const SalBitmap& rSourceBitmap,
237                                              const SalBitmap& rAlphaBitmap );
238     virtual bool drawTransformedBitmap(
239         const basegfx::B2DPoint& rNull,
240         const basegfx::B2DPoint& rX,
241         const basegfx::B2DPoint& rY,
242         const SalBitmap& rSourceBitmap,
243         const SalBitmap* pAlphaBitmap);
244 
245     virtual bool            drawAlphaRect( long nX, long nY, long nWidth,
246                                            long nHeight, sal_uInt8 nTransparency );
247 
248     CGPoint*                makeCGptArray(sal_uLong nPoints, const SalPoint*  pPtAry);
249     // native widget rendering methods that require mirroring
250     virtual sal_Bool        hitTestNativeControl( ControlType nType, ControlPart nPart, const Rectangle& rControlRegion,
251                                               const Point& aPos, sal_Bool& rIsInside );
252     virtual sal_Bool        drawNativeControl( ControlType nType, ControlPart nPart, const Rectangle& rControlRegion,
253                                            ControlState nState, const ImplControlValue& aValue,
254                                            const rtl::OUString& aCaption );
255     virtual sal_Bool        drawNativeControlText( ControlType nType, ControlPart nPart, const Rectangle& rControlRegion,
256                                                ControlState nState, const ImplControlValue& aValue,
257                                                const rtl::OUString& aCaption );
258     virtual sal_Bool        getNativeControlRegion( ControlType nType, ControlPart nPart, const Rectangle& rControlRegion, ControlState nState,
259                                                 const ImplControlValue& aValue, const rtl::OUString& aCaption,
260                                                 Rectangle &rNativeBoundingRegion, Rectangle &rNativeContentRegion );
261 
262     // get device resolution
263     virtual void            GetResolution( sal_Int32& rDPIX, sal_Int32& rDPIY );
264     // get the depth of the device
265     virtual sal_uInt16          GetBitCount();
266     // get the width of the device
267     virtual long            GetGraphicsWidth() const;
268 
269     // set the clip region to empty
270     virtual void            ResetClipRegion();
271 
272     // set the line color to transparent (= don't draw lines)
273     virtual void            SetLineColor();
274     // set the line color to a specific color
275     virtual void            SetLineColor( SalColor nSalColor );
276     // set the fill color to transparent (= don't fill)
277     virtual void            SetFillColor();
278     // set the fill color to a specific color, shapes will be
279     // filled accordingly
280     virtual void            SetFillColor( SalColor nSalColor );
281     // enable/disable XOR drawing
282     virtual void            SetXORMode( bool bSet, bool bInvertOnly );
283     // set line color for raster operations
284     virtual void            SetROPLineColor( SalROPColor nROPColor );
285     // set fill color for raster operations
286     virtual void            SetROPFillColor( SalROPColor nROPColor );
287     // set the text color to a specific color
288     virtual void            SetTextColor( SalColor nSalColor );
289     // set the font
290     virtual sal_uInt16         SetFont( ImplFontSelectData*, int nFallbackLevel );
291     // get the current font's etrics
292     virtual void            GetFontMetric( ImplFontMetricData*, int nFallbackLevel );
293     // get kernign pairs of the current font
294     // return only PairCount if (pKernPairs == NULL)
295     virtual sal_uLong           GetKernPairs( sal_uLong nPairs, ImplKernPairData* pKernPairs );
296     // get the repertoire of the current font
297     virtual const ImplFontCharMap* GetImplFontCharMap() const;
298     // graphics must fill supplied font list
299     virtual void            GetDevFontList( ImplDevFontList* );
300     // graphics should call ImplAddDevFontSubstitute on supplied
301     // OutputDevice for all its device specific preferred font substitutions
302     virtual void            GetDevFontSubstList( OutputDevice* );
303     virtual bool            AddTempDevFont( ImplDevFontList*, const String& rFileURL, const String& rFontName );
304     // CreateFontSubset: a method to get a subset of glyhps of a font
305     // inside a new valid font file
306     // returns TRUE if creation of subset was successfull
307     // parameters: rToFile: contains a osl file URL to write the subset to
308     //             pFont: describes from which font to create a subset
309     //             pGlyphIDs: the glyph ids to be extracted
310     //             pEncoding: the character code corresponding to each glyph
311     //             pWidths: the advance widths of the correspoding glyphs (in PS font units)
312     //             nGlyphs: the number of glyphs
313     //             rInfo: additional outgoing information
314     // implementation note: encoding 0 with glyph id 0 should be added implicitly
315     // as "undefined character"
316     virtual sal_Bool            CreateFontSubset( const rtl::OUString& rToFile,
317                                               const ImplFontData* pFont,
318                                               sal_GlyphId* pGlyphIds,
319                                               sal_uInt8* pEncoding,
320                                               sal_Int32* pWidths,
321                                               int nGlyphs,
322                                               FontSubsetInfo& rInfo // out parameter
323                                               );
324 
325     // GetFontEncodingVector: a method to get the encoding map Unicode
326     // to font encoded character; this is only used for type1 fonts and
327     // may return NULL in case of unknown encoding vector
328     // if ppNonEncoded is set and non encoded characters (that is type1
329     // glyphs with only a name) exist it is set to the corresponding
330     // map for non encoded glyphs; the encoding vector contains -1
331     // as encoding for these cases
332     virtual const Ucs2SIntMap* GetFontEncodingVector( const ImplFontData*, const Ucs2OStrMap** ppNonEncoded );
333 
334     // GetEmbedFontData: gets the font data for a font marked
335     // embeddable by GetDevFontList or NULL in case of error
336     // parameters: pFont: describes the font in question
337     //             pWidths: the widths of all glyphs from char code 0 to 255
338     //                      pWidths MUST support at least 256 members;
339     //             rInfo: additional outgoing information
340     //             pDataLen: out parameter, contains the byte length of the returned buffer
341     virtual const void* GetEmbedFontData( const ImplFontData*,
342                                           const sal_Ucs* pUnicodes,
343                                           sal_Int32* pWidths,
344                                           FontSubsetInfo& rInfo,
345                                           long* pDataLen );
346     // frees the font data again
347     virtual void            FreeEmbedFontData( const void* pData, long nDataLen );
348 
349     virtual void            GetGlyphWidths( const ImplFontData*,
350                                             bool bVertical,
351                                             Int32Vector& rWidths,
352                                             Ucs2UIntMap& rUnicodeEnc );
353 
354     virtual bool                    GetGlyphBoundRect( sal_GlyphId, Rectangle& );
355     virtual bool                    GetGlyphOutline( sal_GlyphId, basegfx::B2DPolyPolygon& );
356 
357     virtual SalLayout*              GetTextLayout( ImplLayoutArgs&, int nFallbackLevel );
358     virtual void                     DrawServerFontLayout( const ServerFontLayout& );
359     virtual bool                    supportsOperation( OutDevSupportType ) const;
360 
361     // Query the platform layer for control support
362     virtual sal_Bool IsNativeControlSupported( ControlType nType, ControlPart nPart );
363 
364     virtual SystemGraphicsData    GetGraphicsData() const;
365     virtual SystemFontData        GetSysFontData( int /* nFallbacklevel */ ) const;
366 
367 private:
368     // differences between VCL, Quartz and kHiThemeOrientation coordinate systems
369     // make some graphics seem to be vertically-mirrored from a VCL perspective
370     bool IsFlipped() const { return mbWindow; }
371 
372     void ApplyXorContext();
373     void Pattern50Fill();
374     UInt32 getState( ControlState nState );
375     UInt32 getTrackState( ControlState nState );
376 };
377 
378 class XorEmulation
379 {
380 public:
381                     XorEmulation();
382     /*final*/       ~XorEmulation();
383 
384     void            SetTarget( int nWidth, int nHeight, int nBitmapDepth, CGContextRef, CGLayerRef );
385     bool            UpdateTarget();
386     void            Enable()            { mbIsEnabled = true; }
387     void            Disable()           { mbIsEnabled = false; }
388     bool            IsEnabled() const   { return mbIsEnabled; }
389     CGContextRef    GetTargetContext() const { return mxTargetContext; }
390     CGContextRef    GetMaskContext() const { return (mbIsEnabled ? mxMaskContext : NULL); }
391 
392 private:
393     CGLayerRef      mxTargetLayer;
394     CGContextRef    mxTargetContext;
395     CGContextRef    mxMaskContext;
396     CGContextRef    mxTempContext;
397     sal_uLong*          mpMaskBuffer;
398     sal_uLong*          mpTempBuffer;
399     int             mnBufferLongs;
400     bool            mbIsEnabled;
401 };
402 
403 
404 // --- some trivial inlines
405 
406 inline void AquaSalGraphics::RefreshRect( const CGRect& rRect )
407 {
408     RefreshRect( rRect.origin.x, rRect.origin.y, rRect.size.width, rRect.size.height );
409 }
410 
411 #ifndef __x86_64__ // on 64bit OSX NSRect is typedef'ed as CGRect
412 inline void AquaSalGraphics::RefreshRect( const NSRect& rRect )
413 {
414     RefreshRect( rRect.origin.x, rRect.origin.y, rRect.size.width, rRect.size.height );
415 }
416 #endif
417 
418 inline RGBAColor::RGBAColor( SalColor nSalColor )
419 {
420     mfRGBA[0] = SALCOLOR_RED(  nSalColor) * (1.0/255);
421     mfRGBA[1] = SALCOLOR_GREEN(nSalColor) * (1.0/255);
422     mfRGBA[2] = SALCOLOR_BLUE( nSalColor) * (1.0/255);
423     mfRGBA[3] = 1.0; // default to opaque
424 }
425 
426 inline RGBAColor::RGBAColor( float fRed, float fGreen, float fBlue, float fAlpha )
427 {
428     mfRGBA[0] = fRed;
429     mfRGBA[1] = fGreen;
430     mfRGBA[2] = fBlue;
431     mfRGBA[3] = fAlpha;
432 }
433 
434 #endif // _SV_SALGDI_H
435 
436