apple_int.h revision ee451cb395940862dad63c85adfe8f2fd55e864c 
1// Copyright 2014 PDFium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6
7#ifndef _APPLE_INT_H_
8#define _APPLE_INT_H_
9#if _FXM_PLATFORM_  == _FXM_PLATFORM_APPLE_
10#if _FX_OS_ == _FX_MACOSX_
11#include <Carbon/Carbon.h>
12#endif
13typedef enum eFXIOSFONTCHARSET {
14    eFXFontCharsetDEFAULT       =   0,
15    eFXFontCharsetANSI          =   1,
16    eFXFontCharsetSYMBOL        =   1 << 1,
17    eFXFontCharsetSHIFTJIS      =   1 << 2,
18    eFXFontCharsetHANGEUL       =   1 << 3,
19    eFXFontCharsetGB2312        =   1 << 4,
20    eFXFontCharsetCHINESEBIG5   =   1 << 5,
21    eFXFontCharsetTHAI          =   1 << 6,
22    eFXFontCharsetEASTEUROPE    =   1 << 7,
23    eFXFontCharsetRUSSIAN       =   1 << 8,
24    eFXFontCharsetGREEK         =   1 << 9,
25    eFXFontCharsetTURKISH       =   1 << 10,
26    eFXFontCharsetHEBREW        =   1 << 11,
27    eFXFontCharsetARABIC        =   1 << 12,
28    eFXFontCharsetBALTIC        =   1 << 13,
29} FX_IOSCHARSET;
30FX_IOSCHARSET FX_GetiOSCharset(int charset);
31typedef enum eFXIOSFONTFLAG {
32    eFXFontFlagBold         =  1,
33    eFXFontFlagItalic       =  1 << 1,
34    eFXFontFlagFixedPitch   =  1 << 2,
35    eFXFontFlagSerif        =  1 << 3,
36    eFXFontFlagScript       =  1 << 4,
37} FX_IOSFONTFLAG;
38typedef struct _IOS_FONTDATA {
39    FX_DWORD        nHashCode;
40    const char*       psName;
41    FX_DWORD        charsets;
42    FX_DWORD        styles;
43} IOS_FONTDATA;
44class CQuartz2D
45{
46public:
47    void*	createGraphics(CFX_DIBitmap* bitmap);
48    void	destroyGraphics(void* graphics);
49
50    void*	CreateFont(FX_LPCBYTE pFontData, FX_DWORD dwFontSize);
51    void	DestroyFont(void* pFont);
52    void	setGraphicsTextMatrix(void* graphics, CFX_AffineMatrix* matrix);
53    FX_BOOL	drawGraphicsString(void*                graphics,
54                               void*                font,
55                               FX_FLOAT             fontSize,
56                               FX_WORD*             glyphIndices,
57                               CGPoint*          glyphPositions,
58                               FX_INT32             chars,
59                               FX_ARGB              argb,
60                               CFX_AffineMatrix*    matrix = NULL);
61    void saveGraphicsState(void* graphics);
62    void restoreGraphicsState(void* graphics);
63};
64class CApplePlatform : public CFX_Object
65{
66public:
67    CApplePlatform()
68    {
69        m_pFontMapper = NULL;
70    }
71    ~CApplePlatform()
72    {
73        if (m_pFontMapper) {
74            delete m_pFontMapper;
75        }
76    }
77    CQuartz2D	_quartz2d;
78    IFX_FontMapper* m_pFontMapper;
79};
80class CFX_QuartzDeviceDriver : public IFX_RenderDeviceDriver
81{
82public:
83    CFX_QuartzDeviceDriver(CGContextRef context, FX_INT32 deviceClass);
84    virtual ~CFX_QuartzDeviceDriver();
85
86    virtual int		GetDeviceCaps(int caps_id);
87    virtual CFX_Matrix	GetCTM() const;
88    virtual CFX_DIBitmap*   GetBackDrop()
89    {
90        return NULL;
91    }
92    virtual void*	GetPlatformSurface()
93    {
94        return NULL;
95    }
96    virtual FX_BOOL IsPSPrintDriver()
97    {
98        return FALSE;
99    }
100    virtual FX_BOOL	StartRendering()
101    {
102        return TRUE;
103    }
104    virtual void	EndRendering() {}
105    virtual void	SaveState();
106    virtual void	RestoreState(FX_BOOL bKeepSaved);
107    virtual FX_BOOL	SetClip_PathFill(const CFX_PathData* pPathData,
108                                     const CFX_AffineMatrix* pObject2Device,
109                                     int fill_mode
110                                    );
111    virtual FX_BOOL	SetClip_PathStroke(const CFX_PathData* pPathData,
112                                       const CFX_AffineMatrix* pObject2Device,
113                                       const CFX_GraphStateData* pGraphState
114                                      );
115    virtual FX_BOOL	DrawPath(const CFX_PathData* pPathData,
116                             const CFX_AffineMatrix* pObject2Device,
117                             const CFX_GraphStateData* pGraphState,
118                             FX_DWORD fill_color,
119                             FX_DWORD stroke_color,
120                             int fill_mode,
121                             int alpha_flag = 0,
122                             void* pIccTransform = NULL,
123                             int blend_type = FXDIB_BLEND_NORMAL
124                            );
125    virtual FX_BOOL	SetPixel(int x, int y, FX_DWORD color,
126                             int alpha_flag = 0, void* pIccTransform = NULL)
127    {
128        return FALSE;
129    }
130    virtual FX_BOOL FillRect(const FX_RECT* pRect, FX_DWORD fill_color,
131                             int alpha_flag = 0, void* pIccTransform = NULL, int blend_type = FXDIB_BLEND_NORMAL);
132    virtual FX_BOOL	DrawCosmeticLine(FX_FLOAT x1, FX_FLOAT y1, FX_FLOAT x2, FX_FLOAT y2, FX_DWORD color,
133                                     int alpha_flag = 0, void* pIccTransform = NULL, int blend_type = FXDIB_BLEND_NORMAL);
134    virtual FX_BOOL GetClipBox(FX_RECT* pRect);
135    virtual FX_BOOL	GetDIBits(CFX_DIBitmap* pBitmap, int left, int top, void* pIccTransform = NULL, FX_BOOL bDEdge = FALSE);
136    virtual FX_BOOL	SetDIBits(const CFX_DIBSource* pBitmap, FX_DWORD color, const FX_RECT* pSrcRect,
137                              int dest_left, int dest_top, int blend_type,
138                              int alpha_flag = 0, void* pIccTransform = NULL);
139    virtual FX_BOOL	StretchDIBits(const CFX_DIBSource* pBitmap, FX_DWORD color, int dest_left, int dest_top,
140                                  int dest_width, int dest_height, const FX_RECT* pClipRect, FX_DWORD flags,
141                                  int alpha_flag = 0, void* pIccTransform = NULL, int blend_type = FXDIB_BLEND_NORMAL);
142    virtual FX_BOOL	StartDIBits(const CFX_DIBSource* pBitmap, int bitmap_alpha, FX_DWORD color,
143                                const CFX_AffineMatrix* pMatrix, FX_DWORD flags, FX_LPVOID& handle,
144                                int alpha_flag = 0, void* pIccTransform = NULL,
145                                int blend_type = FXDIB_BLEND_NORMAL)
146    {
147        return FALSE;
148    }
149    virtual FX_BOOL	ContinueDIBits(FX_LPVOID handle, IFX_Pause* pPause)
150    {
151        return FALSE;
152    }
153    virtual void	CancelDIBits(FX_LPVOID handle) {}
154    virtual FX_BOOL DrawDeviceText(int nChars, const FXTEXT_CHARPOS* pCharPos, CFX_Font* pFont,
155                                   CFX_FontCache* pCache, const CFX_AffineMatrix* pObject2Device, FX_FLOAT font_size, FX_DWORD color,
156                                   int alpha_flag = 0, void* pIccTransform = NULL);
157    virtual void    ClearDriver();
158protected:
159    void setStrokeInfo(const CFX_GraphStateData * graphState, FX_ARGB argb, FX_FLOAT lineWidth);
160    void setFillInfo(FX_ARGB argb);
161    void setPathToContext(const CFX_PathData * pathData);
162    FX_FLOAT getLineWidth(const CFX_GraphStateData * graphState, CGAffineTransform ctm);
163    FX_BOOL CG_DrawGlypRun(int                        nChars,
164                           const FXTEXT_CHARPOS*      pCharPos,
165                           CFX_Font*                  pFont,
166                           CFX_FontCache*             pCache,
167                           const CFX_AffineMatrix*    pGlyphMatrix,
168                           const CFX_AffineMatrix*    pObject2Device,
169                           FX_FLOAT                   font_size,
170                           FX_DWORD                   argb,
171                           int                        alpha_flag,
172                           void*                      pIccTransform);
173    void    CG_SetImageTransform(int dest_left, int dest_top, int dest_width, int dest_height, CGRect* rect = NULL);
174protected:
175    CGContextRef	_context;
176    CGAffineTransform _foxitDevice2User;
177    CGAffineTransform _user2FoxitDevice;
178    FX_INT32        m_saveCount;
179
180    FX_INT32		_width;
181    FX_INT32		_height;
182    FX_INT32		_bitsPerPixel;
183    FX_INT32		_deviceClass;
184    FX_INT32		_renderCaps;
185    FX_INT32	_horzSize;
186    FX_INT32	_vertSize;
187};
188class CFX_FontProvider : public IFX_FileRead
189{
190public:
191    virtual void			Release()
192    {
193        delete this;
194    }
195    virtual FX_FILESIZE		GetSize()
196    {
197        return (FX_FILESIZE)_totalSize;
198    }
199    virtual FX_BOOL			ReadBlock(void* buffer, FX_FILESIZE offset, size_t size);
200
201    virtual FX_BOOL			IsEOF()
202    {
203        return _offSet == _totalSize;
204    }
205    virtual FX_FILESIZE		GetPosition()
206    {
207        return (FX_FILESIZE)_offSet;
208    }
209    virtual size_t			ReadBlock(void* buffer, size_t size);
210public:
211    CFX_FontProvider(CGFontRef cgFont);
212    ~CFX_FontProvider();
213    void            InitTableOffset();
214    unsigned long   Read(unsigned long offset, unsigned char *buffer, unsigned long count);
215protected:
216    uint32_t CalcTableCheckSum(const uint32_t *table, uint32_t numberOfBytesInTable);
217    uint32_t CalcTableDataRefCheckSum(CFDataRef dataRef);
218private:
219    CGFontRef   m_cgFont;
220    UInt32      m_iTableSize;
221    size_t      _offSet;
222    typedef struct FontHeader {
223        int32_t fVersion;
224        uint16_t fNumTables;
225        uint16_t fSearchRange;
226        uint16_t fEntrySelector;
227        uint16_t fRangeShift;
228    } FontHeader;
229    typedef struct TableEntry {
230        uint32_t fTag;
231        uint32_t fCheckSum;
232        uint32_t fOffset;
233        uint32_t fLength;
234    } TableEntry;
235    FontHeader _fontHeader;
236    unsigned char * _tableEntries;
237    size_t * _tableOffsets;
238    int _tableCount;
239    int _totalSize;
240};
241FX_UINT32 FX_GetHashCode( FX_LPCSTR pStr);
242FX_DWORD  FX_IOSGetMatchFamilyNameHashcode(FX_LPCSTR pFontName);
243FX_UINT32 FX_IOSGetFamilyNamesCount();
244FX_LPCSTR FX_IOSGetFamilyName( FX_UINT32 uIndex);
245#endif
246#endif
247