• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 #include "core/include/fxge/fx_ge.h"
8 
9 #if _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN64_DESKTOP_
10 #include <crtdbg.h>
11 
12 #include "core/include/fxcodec/fx_codec.h"
13 #include "core/include/fxge/fx_freetype.h"
14 #include "core/include/fxge/fx_ge_win32.h"
15 #include "core/src/fxge/agg/include/fx_agg_driver.h"
16 #include "core/src/fxge/dib/dib_int.h"
17 #include "core/src/fxge/ge/text_int.h"
18 #include "dwrite_int.h"
19 #include "win32_int.h"
20 
21 class CFX_Win32FallbackFontInfo final : public CFX_FolderFontInfo {
22  public:
23   void* MapFont(int weight,
24                 FX_BOOL bItalic,
25                 int charset,
26                 int pitch_family,
27                 const FX_CHAR* family,
28                 int& iExact) override;
29 };
30 class CFX_Win32FontInfo final : public IFX_SystemFontInfo {
31  public:
32   CFX_Win32FontInfo();
33   ~CFX_Win32FontInfo() override;
34 
35   // IFX_SystemFontInfo
36   void Release() override;
37   FX_BOOL EnumFontList(CFX_FontMapper* pMapper) override;
38   void* MapFont(int weight,
39                 FX_BOOL bItalic,
40                 int charset,
41                 int pitch_family,
42                 const FX_CHAR* face,
43                 int& iExact) override;
GetFont(const FX_CHAR * face)44   void* GetFont(const FX_CHAR* face) override { return NULL; }
45   FX_DWORD GetFontData(void* hFont,
46                        FX_DWORD table,
47                        uint8_t* buffer,
48                        FX_DWORD size) override;
49   FX_BOOL GetFaceName(void* hFont, CFX_ByteString& name) override;
50   FX_BOOL GetFontCharset(void* hFont, int& charset) override;
51   void DeleteFont(void* hFont) override;
52 
53   FX_BOOL IsOpenTypeFromDiv(const LOGFONTA* plf);
54   FX_BOOL IsSupportFontFormDiv(const LOGFONTA* plf);
55   void AddInstalledFont(const LOGFONTA* plf, FX_DWORD FontType);
56   void GetGBPreference(CFX_ByteString& face, int weight, int picth_family);
57   void GetJapanesePreference(CFX_ByteString& face,
58                              int weight,
59                              int picth_family);
60   CFX_ByteString FindFont(const CFX_ByteString& name);
61   HDC m_hDC;
62   CFX_FontMapper* m_pMapper;
63   CFX_ByteString m_LastFamily;
64   CFX_ByteString m_KaiTi, m_FangSong;
65 };
66 
CFX_Win32FontInfo()67 CFX_Win32FontInfo::CFX_Win32FontInfo() {
68   m_hDC = CreateCompatibleDC(NULL);
69 }
~CFX_Win32FontInfo()70 CFX_Win32FontInfo::~CFX_Win32FontInfo() {
71   m_pMapper = NULL;
72 }
Release()73 void CFX_Win32FontInfo::Release() {
74   DeleteDC(m_hDC);
75   delete this;
76 }
77 #define TT_MAKE_TAG(x1, x2, x3, x4)                                    \
78   (((FX_DWORD)x1 << 24) | ((FX_DWORD)x2 << 16) | ((FX_DWORD)x3 << 8) | \
79    (FX_DWORD)x4)
IsOpenTypeFromDiv(const LOGFONTA * plf)80 FX_BOOL CFX_Win32FontInfo::IsOpenTypeFromDiv(const LOGFONTA* plf) {
81   HFONT hFont = CreateFontIndirectA(plf);
82   FX_BOOL ret = FALSE;
83   FX_DWORD font_size = GetFontData(hFont, 0, NULL, 0);
84   if (font_size != GDI_ERROR && font_size >= sizeof(FX_DWORD)) {
85     FX_DWORD lVersion = 0;
86     GetFontData(hFont, 0, (uint8_t*)(&lVersion), sizeof(FX_DWORD));
87     lVersion = (((FX_DWORD)(uint8_t)(lVersion)) << 24) |
88                ((FX_DWORD)((uint8_t)(lVersion >> 8))) << 16 |
89                ((FX_DWORD)((uint8_t)(lVersion >> 16))) << 8 |
90                ((uint8_t)(lVersion >> 24));
91     if (lVersion == TT_MAKE_TAG('O', 'T', 'T', 'O') || lVersion == 0x00010000 ||
92         lVersion == TT_MAKE_TAG('t', 't', 'c', 'f') ||
93         lVersion == TT_MAKE_TAG('t', 'r', 'u', 'e') || lVersion == 0x00020000) {
94       ret = TRUE;
95     }
96   }
97   DeleteFont(hFont);
98   return ret;
99 }
IsSupportFontFormDiv(const LOGFONTA * plf)100 FX_BOOL CFX_Win32FontInfo::IsSupportFontFormDiv(const LOGFONTA* plf) {
101   HFONT hFont = CreateFontIndirectA(plf);
102   FX_BOOL ret = FALSE;
103   FX_DWORD font_size = GetFontData(hFont, 0, NULL, 0);
104   if (font_size != GDI_ERROR && font_size >= sizeof(FX_DWORD)) {
105     FX_DWORD lVersion = 0;
106     GetFontData(hFont, 0, (uint8_t*)(&lVersion), sizeof(FX_DWORD));
107     lVersion = (((FX_DWORD)(uint8_t)(lVersion)) << 24) |
108                ((FX_DWORD)((uint8_t)(lVersion >> 8))) << 16 |
109                ((FX_DWORD)((uint8_t)(lVersion >> 16))) << 8 |
110                ((uint8_t)(lVersion >> 24));
111     if (lVersion == TT_MAKE_TAG('O', 'T', 'T', 'O') || lVersion == 0x00010000 ||
112         lVersion == TT_MAKE_TAG('t', 't', 'c', 'f') ||
113         lVersion == TT_MAKE_TAG('t', 'r', 'u', 'e') || lVersion == 0x00020000) {
114       ret = TRUE;
115     } else if ((lVersion & 0xFFFF0000) == TT_MAKE_TAG(0x80, 0x01, 0x00, 0x00) ||
116                (lVersion & 0xFFFF0000) == TT_MAKE_TAG('%', '!', 0, 0)) {
117       ret = TRUE;
118     }
119   }
120   DeleteFont(hFont);
121   return ret;
122 }
AddInstalledFont(const LOGFONTA * plf,FX_DWORD FontType)123 void CFX_Win32FontInfo::AddInstalledFont(const LOGFONTA* plf,
124                                          FX_DWORD FontType) {
125   CFX_ByteString name(plf->lfFaceName);
126   if (name[0] == '@') {
127     return;
128   }
129   if (name == m_LastFamily) {
130     m_pMapper->AddInstalledFont(name, plf->lfCharSet);
131     return;
132   }
133   if (!(FontType & TRUETYPE_FONTTYPE) && !(FontType & DEVICE_FONTTYPE)) {
134     return;
135   }
136   if (!(FontType & TRUETYPE_FONTTYPE)) {
137     if (!IsSupportFontFormDiv(plf)) {
138       return;
139     }
140   }
141   m_pMapper->AddInstalledFont(name, plf->lfCharSet);
142   m_LastFamily = name;
143 }
FontEnumProc(const LOGFONTA * plf,const TEXTMETRICA * lpntme,FX_DWORD FontType,LPARAM lParam)144 static int CALLBACK FontEnumProc(const LOGFONTA* plf,
145                                  const TEXTMETRICA* lpntme,
146                                  FX_DWORD FontType,
147                                  LPARAM lParam) {
148   CFX_Win32FontInfo* pFontInfo = (CFX_Win32FontInfo*)lParam;
149   if (pFontInfo->m_pMapper->GetFontEnumerator()) {
150     pFontInfo->m_pMapper->GetFontEnumerator()->HitFont();
151   }
152   pFontInfo->AddInstalledFont(plf, FontType);
153   return 1;
154 }
EnumFontList(CFX_FontMapper * pMapper)155 FX_BOOL CFX_Win32FontInfo::EnumFontList(CFX_FontMapper* pMapper) {
156   m_pMapper = pMapper;
157   LOGFONTA lf;
158   FXSYS_memset(&lf, 0, sizeof(LOGFONTA));
159   lf.lfCharSet = DEFAULT_CHARSET;
160   lf.lfFaceName[0] = 0;
161   lf.lfPitchAndFamily = 0;
162   EnumFontFamiliesExA(m_hDC, &lf, (FONTENUMPROCA)FontEnumProc, (uintptr_t) this,
163                       0);
164   if (pMapper->GetFontEnumerator()) {
165     pMapper->GetFontEnumerator()->Finish();
166   }
167   return TRUE;
168 }
169 static const struct {
170   const FX_CHAR* m_pFaceName;
171   const FX_CHAR* m_pVariantName;
172 } VariantNames[] = {
173     {"DFKai-SB", "\x19\x6A\x77\x69\xD4\x9A"},
174 };
175 static const struct {
176   const FX_CHAR* m_pName;
177   const FX_CHAR* m_pWinName;
178   FX_BOOL m_bBold;
179   FX_BOOL m_bItalic;
180 } Base14Substs[] = {
181     {"Courier", "Courier New", FALSE, FALSE},
182     {"Courier-Bold", "Courier New", TRUE, FALSE},
183     {"Courier-BoldOblique", "Courier New", TRUE, TRUE},
184     {"Courier-Oblique", "Courier New", FALSE, TRUE},
185     {"Helvetica", "Arial", FALSE, FALSE},
186     {"Helvetica-Bold", "Arial", TRUE, FALSE},
187     {"Helvetica-BoldOblique", "Arial", TRUE, TRUE},
188     {"Helvetica-Oblique", "Arial", FALSE, TRUE},
189     {"Times-Roman", "Times New Roman", FALSE, FALSE},
190     {"Times-Bold", "Times New Roman", TRUE, FALSE},
191     {"Times-BoldItalic", "Times New Roman", TRUE, TRUE},
192     {"Times-Italic", "Times New Roman", FALSE, TRUE},
193 };
FindFont(const CFX_ByteString & name)194 CFX_ByteString CFX_Win32FontInfo::FindFont(const CFX_ByteString& name) {
195   if (!m_pMapper) {
196     return name;
197   }
198   int nFonts = m_pMapper->m_InstalledTTFonts.GetSize();
199   for (int i = 0; i < nFonts; i++) {
200     CFX_ByteString thisname = m_pMapper->m_InstalledTTFonts[i];
201     if (thisname[0] == ' ') {
202       if (thisname.Mid(1, name.GetLength()) == name) {
203         return m_pMapper->m_InstalledTTFonts[i + 1];
204       }
205     } else if (thisname.Left(name.GetLength()) == name) {
206       return m_pMapper->m_InstalledTTFonts[i];
207     }
208   }
209   return CFX_ByteString();
210 }
MapFont(int weight,FX_BOOL bItalic,int charset,int pitch_family,const FX_CHAR * cstr_face,int & iExact)211 void* CFX_Win32FallbackFontInfo::MapFont(int weight,
212                                          FX_BOOL bItalic,
213                                          int charset,
214                                          int pitch_family,
215                                          const FX_CHAR* cstr_face,
216                                          int& iExact) {
217   void* font = GetSubstFont(cstr_face);
218   if (font) {
219     iExact = 1;
220     return font;
221   }
222   FX_BOOL bCJK = TRUE;
223   switch (charset) {
224     case FXFONT_SHIFTJIS_CHARSET:
225     case FXFONT_GB2312_CHARSET:
226     case FXFONT_CHINESEBIG5_CHARSET:
227     case FXFONT_HANGEUL_CHARSET:
228     default:
229       bCJK = FALSE;
230       break;
231   }
232   return FindFont(weight, bItalic, charset, pitch_family, cstr_face, !bCJK);
233 }
234 struct _FontNameMap {
235   const FX_CHAR* m_pSubFontName;
236   const FX_CHAR* m_pSrcFontName;
237 };
238 const _FontNameMap g_JpFontNameMap[] = {
239     {"MS Mincho", "Heiseimin-W3"},
240     {"MS Gothic", "Jun101-Light"},
241 };
242 extern "C" {
compareString(const void * key,const void * element)243 static int compareString(const void* key, const void* element) {
244   return FXSYS_stricmp((const FX_CHAR*)key,
245                        ((_FontNameMap*)element)->m_pSrcFontName);
246 }
247 }
_GetSubFontName(CFX_ByteString & name)248 FX_BOOL _GetSubFontName(CFX_ByteString& name) {
249   int size = sizeof g_JpFontNameMap;
250   void* pFontnameMap = (void*)g_JpFontNameMap;
251   _FontNameMap* found = (_FontNameMap*)FXSYS_bsearch(
252       name.c_str(), pFontnameMap, size / sizeof(_FontNameMap),
253       sizeof(_FontNameMap), compareString);
254   if (!found) {
255     return FALSE;
256   }
257   name = found->m_pSubFontName;
258   return TRUE;
259 }
GetGBPreference(CFX_ByteString & face,int weight,int picth_family)260 void CFX_Win32FontInfo::GetGBPreference(CFX_ByteString& face,
261                                         int weight,
262                                         int picth_family) {
263   if (face.Find("KaiTi") >= 0 || face.Find("\xbf\xac") >= 0) {
264     if (m_KaiTi.IsEmpty()) {
265       m_KaiTi = FindFont("KaiTi");
266       if (m_KaiTi.IsEmpty()) {
267         m_KaiTi = "SimSun";
268       }
269     }
270     face = m_KaiTi;
271   } else if (face.Find("FangSong") >= 0 || face.Find("\xb7\xc2\xcb\xce") >= 0) {
272     if (m_FangSong.IsEmpty()) {
273       m_FangSong = FindFont("FangSong");
274       if (m_FangSong.IsEmpty()) {
275         m_FangSong = "SimSun";
276       }
277     }
278     face = m_FangSong;
279   } else if (face.Find("SimSun") >= 0 || face.Find("\xcb\xce") >= 0) {
280     face = "SimSun";
281   } else if (face.Find("SimHei") >= 0 || face.Find("\xba\xda") >= 0) {
282     face = "SimHei";
283   } else if (!(picth_family & FF_ROMAN) && weight > 550) {
284     face = "SimHei";
285   } else {
286     face = "SimSun";
287   }
288 }
GetJapanesePreference(CFX_ByteString & face,int weight,int picth_family)289 void CFX_Win32FontInfo::GetJapanesePreference(CFX_ByteString& face,
290                                               int weight,
291                                               int picth_family) {
292   if (face.Find("Gothic") >= 0 ||
293       face.Find("\x83\x53\x83\x56\x83\x62\x83\x4e") >= 0) {
294     if (face.Find("PGothic") >= 0 ||
295         face.Find("\x82\x6f\x83\x53\x83\x56\x83\x62\x83\x4e") >= 0) {
296       face = "MS PGothic";
297     } else if (face.Find("UI Gothic") >= 0) {
298       face = "MS UI Gothic";
299     } else {
300       if (face.Find("HGSGothicM") >= 0 || face.Find("HGMaruGothicMPRO") >= 0) {
301         face = "MS PGothic";
302       } else {
303         face = "MS Gothic";
304       }
305     }
306     return;
307   }
308   if (face.Find("Mincho") >= 0 || face.Find("\x96\xbe\x92\xa9") >= 0) {
309     if (face.Find("PMincho") >= 0 ||
310         face.Find("\x82\x6f\x96\xbe\x92\xa9") >= 0) {
311       face = "MS PMincho";
312     } else {
313       face = "MS Mincho";
314     }
315     return;
316   }
317   if (_GetSubFontName(face)) {
318     return;
319   }
320   if (!(picth_family & FF_ROMAN) && weight > 400) {
321     face = "MS PGothic";
322   } else {
323     face = "MS PMincho";
324   }
325 }
MapFont(int weight,FX_BOOL bItalic,int charset,int pitch_family,const FX_CHAR * cstr_face,int & iExact)326 void* CFX_Win32FontInfo::MapFont(int weight,
327                                  FX_BOOL bItalic,
328                                  int charset,
329                                  int pitch_family,
330                                  const FX_CHAR* cstr_face,
331                                  int& iExact) {
332   CFX_ByteString face = cstr_face;
333   int iBaseFont;
334   for (iBaseFont = 0; iBaseFont < 12; iBaseFont++)
335     if (face == CFX_ByteStringC(Base14Substs[iBaseFont].m_pName)) {
336       face = Base14Substs[iBaseFont].m_pWinName;
337       weight = Base14Substs[iBaseFont].m_bBold ? FW_BOLD : FW_NORMAL;
338       bItalic = Base14Substs[iBaseFont].m_bItalic;
339       iExact = TRUE;
340       break;
341     }
342   if (charset == ANSI_CHARSET || charset == SYMBOL_CHARSET) {
343     charset = DEFAULT_CHARSET;
344   }
345   int subst_pitch_family = pitch_family;
346   switch (charset) {
347     case SHIFTJIS_CHARSET:
348       subst_pitch_family = FF_ROMAN;
349       break;
350     case CHINESEBIG5_CHARSET:
351     case HANGUL_CHARSET:
352     case GB2312_CHARSET:
353       subst_pitch_family = 0;
354       break;
355   }
356   HFONT hFont =
357       ::CreateFontA(-10, 0, 0, 0, weight, bItalic, 0, 0, charset,
358                     OUT_TT_ONLY_PRECIS, 0, 0, subst_pitch_family, face);
359   char facebuf[100];
360   HFONT hOldFont = (HFONT)::SelectObject(m_hDC, hFont);
361   ::GetTextFaceA(m_hDC, 100, facebuf);
362   ::SelectObject(m_hDC, hOldFont);
363   if (face.EqualNoCase(facebuf)) {
364     return hFont;
365   }
366   int iCount = sizeof(VariantNames) / sizeof(VariantNames[0]);
367   for (int i = 0; i < iCount; ++i) {
368     if (face == VariantNames[i].m_pFaceName) {
369       CFX_WideString wsFace = CFX_WideString::FromLocal(facebuf);
370       const unsigned short* pName =
371           (const unsigned short*)VariantNames[i].m_pVariantName;
372       FX_STRSIZE len = CFX_WideString::WStringLength(pName);
373       CFX_WideString wsName = CFX_WideString::FromUTF16LE(pName, len);
374       if (wsFace == wsName) {
375         return hFont;
376       }
377     }
378   }
379   ::DeleteObject(hFont);
380   if (charset == DEFAULT_CHARSET) {
381     return NULL;
382   }
383   switch (charset) {
384     case SHIFTJIS_CHARSET:
385       GetJapanesePreference(face, weight, pitch_family);
386       break;
387     case GB2312_CHARSET:
388       GetGBPreference(face, weight, pitch_family);
389       break;
390     case HANGUL_CHARSET:
391       face = "Gulim";
392       break;
393     case CHINESEBIG5_CHARSET:
394       if (face.Find("MSung") >= 0) {
395         face = "MingLiU";
396       } else {
397         face = "PMingLiU";
398       }
399       break;
400   }
401   hFont = ::CreateFontA(-10, 0, 0, 0, weight, bItalic, 0, 0, charset,
402                         OUT_TT_ONLY_PRECIS, 0, 0, subst_pitch_family, face);
403   return hFont;
404 }
DeleteFont(void * hFont)405 void CFX_Win32FontInfo::DeleteFont(void* hFont) {
406   ::DeleteObject(hFont);
407 }
GetFontData(void * hFont,FX_DWORD table,uint8_t * buffer,FX_DWORD size)408 FX_DWORD CFX_Win32FontInfo::GetFontData(void* hFont,
409                                         FX_DWORD table,
410                                         uint8_t* buffer,
411                                         FX_DWORD size) {
412   HFONT hOldFont = (HFONT)::SelectObject(m_hDC, (HFONT)hFont);
413   table = FXDWORD_FROM_MSBFIRST(table);
414   size = ::GetFontData(m_hDC, table, 0, buffer, size);
415   ::SelectObject(m_hDC, hOldFont);
416   if (size == GDI_ERROR) {
417     return 0;
418   }
419   return size;
420 }
GetFaceName(void * hFont,CFX_ByteString & name)421 FX_BOOL CFX_Win32FontInfo::GetFaceName(void* hFont, CFX_ByteString& name) {
422   char facebuf[100];
423   HFONT hOldFont = (HFONT)::SelectObject(m_hDC, (HFONT)hFont);
424   int ret = ::GetTextFaceA(m_hDC, 100, facebuf);
425   ::SelectObject(m_hDC, hOldFont);
426   if (ret == 0) {
427     return FALSE;
428   }
429   name = facebuf;
430   return TRUE;
431 }
GetFontCharset(void * hFont,int & charset)432 FX_BOOL CFX_Win32FontInfo::GetFontCharset(void* hFont, int& charset) {
433   TEXTMETRIC tm;
434   HFONT hOldFont = (HFONT)::SelectObject(m_hDC, (HFONT)hFont);
435   ::GetTextMetrics(m_hDC, &tm);
436   ::SelectObject(m_hDC, hOldFont);
437   charset = tm.tmCharSet;
438   return TRUE;
439 }
CreateDefault(const char ** pUnused)440 IFX_SystemFontInfo* IFX_SystemFontInfo::CreateDefault(const char** pUnused) {
441   HDC hdc = ::GetDC(NULL);
442   if (hdc) {
443     ::ReleaseDC(NULL, hdc);
444     return new CFX_Win32FontInfo;
445   }
446   // If GDI is disabled then GetDC for the desktop will fail. Select the
447   // fallback font information class if GDI is disabled.
448   CFX_Win32FallbackFontInfo* pInfoFallback = new CFX_Win32FallbackFontInfo;
449   // Construct the font path manually, SHGetKnownFolderPath won't work under
450   // a restrictive sandbox.
451   CHAR windows_path[MAX_PATH] = {};
452   DWORD path_len = ::GetWindowsDirectoryA(windows_path, MAX_PATH);
453   if (path_len > 0 && path_len < MAX_PATH) {
454     CFX_ByteString fonts_path(windows_path);
455     fonts_path += "\\Fonts";
456     pInfoFallback->AddPath(fonts_path);
457   }
458   return pInfoFallback;
459 }
InitPlatform()460 void CFX_GEModule::InitPlatform() {
461   CWin32Platform* pPlatformData = new CWin32Platform;
462   OSVERSIONINFO ver;
463   ver.dwOSVersionInfoSize = sizeof(ver);
464   GetVersionEx(&ver);
465   pPlatformData->m_bHalfTone = ver.dwMajorVersion >= 5;
466   pPlatformData->m_GdiplusExt.Load();
467   m_pPlatformData = pPlatformData;
468   m_pFontMgr->SetSystemFontInfo(IFX_SystemFontInfo::CreateDefault(nullptr));
469 }
DestroyPlatform()470 void CFX_GEModule::DestroyPlatform() {
471   delete (CWin32Platform*)m_pPlatformData;
472   m_pPlatformData = NULL;
473 }
CGdiDeviceDriver(HDC hDC,int device_class)474 CGdiDeviceDriver::CGdiDeviceDriver(HDC hDC, int device_class) {
475   m_hDC = hDC;
476   m_DeviceClass = device_class;
477   CWin32Platform* pPlatform =
478       (CWin32Platform*)CFX_GEModule::Get()->GetPlatformData();
479   SetStretchBltMode(hDC, pPlatform->m_bHalfTone ? HALFTONE : COLORONCOLOR);
480   if (GetObjectType(m_hDC) == OBJ_MEMDC) {
481     HBITMAP hBitmap = CreateBitmap(1, 1, 1, 1, NULL);
482     hBitmap = (HBITMAP)SelectObject(m_hDC, hBitmap);
483     BITMAP bitmap;
484     GetObject(hBitmap, sizeof bitmap, &bitmap);
485     m_nBitsPerPixel = bitmap.bmBitsPixel;
486     m_Width = bitmap.bmWidth;
487     m_Height = abs(bitmap.bmHeight);
488     hBitmap = (HBITMAP)SelectObject(m_hDC, hBitmap);
489     DeleteObject(hBitmap);
490   } else {
491     m_nBitsPerPixel = ::GetDeviceCaps(m_hDC, BITSPIXEL);
492     m_Width = ::GetDeviceCaps(m_hDC, HORZRES);
493     m_Height = ::GetDeviceCaps(m_hDC, VERTRES);
494   }
495   if (m_DeviceClass != FXDC_DISPLAY) {
496     m_RenderCaps = FXRC_BIT_MASK;
497   } else {
498     m_RenderCaps = FXRC_GET_BITS | FXRC_BIT_MASK;
499   }
500 }
GetDeviceCaps(int caps_id)501 int CGdiDeviceDriver::GetDeviceCaps(int caps_id) {
502   switch (caps_id) {
503     case FXDC_DEVICE_CLASS:
504       return m_DeviceClass;
505     case FXDC_PIXEL_WIDTH:
506       return m_Width;
507     case FXDC_PIXEL_HEIGHT:
508       return m_Height;
509     case FXDC_BITS_PIXEL:
510       return m_nBitsPerPixel;
511     case FXDC_RENDER_CAPS:
512       return m_RenderCaps;
513   }
514   return 0;
515 }
GetClipRgn()516 void* CGdiDeviceDriver::GetClipRgn() {
517   HRGN hClipRgn = CreateRectRgn(0, 0, 1, 1);
518   if (::GetClipRgn(m_hDC, hClipRgn) == 0) {
519     DeleteObject(hClipRgn);
520     hClipRgn = NULL;
521   }
522   return (void*)hClipRgn;
523 }
GDI_SetDIBits(const CFX_DIBitmap * pBitmap1,const FX_RECT * pSrcRect,int left,int top,void * pIccTransform)524 FX_BOOL CGdiDeviceDriver::GDI_SetDIBits(const CFX_DIBitmap* pBitmap1,
525                                         const FX_RECT* pSrcRect,
526                                         int left,
527                                         int top,
528                                         void* pIccTransform) {
529   if (m_DeviceClass == FXDC_PRINTER) {
530     CFX_DIBitmap* pBitmap = pBitmap1->FlipImage(FALSE, TRUE);
531     if (!pBitmap) {
532       return FALSE;
533     }
534     if ((pBitmap->IsCmykImage() || pIccTransform) &&
535         !pBitmap->ConvertFormat(FXDIB_Rgb, pIccTransform)) {
536       return FALSE;
537     }
538     int width = pSrcRect->Width(), height = pSrcRect->Height();
539     LPBYTE pBuffer = pBitmap->GetBuffer();
540     CFX_ByteString info = CFX_WindowsDIB::GetBitmapInfo(pBitmap);
541     ((BITMAPINFOHEADER*)info.c_str())->biHeight *= -1;
542     FX_RECT dst_rect(0, 0, width, height);
543     dst_rect.Intersect(0, 0, pBitmap->GetWidth(), pBitmap->GetHeight());
544     int dst_width = dst_rect.Width();
545     int dst_height = dst_rect.Height();
546     ::StretchDIBits(m_hDC, left, top, dst_width, dst_height, 0, 0, dst_width,
547                     dst_height, pBuffer, (BITMAPINFO*)info.c_str(),
548                     DIB_RGB_COLORS, SRCCOPY);
549     delete pBitmap;
550   } else {
551     CFX_DIBitmap* pBitmap = (CFX_DIBitmap*)pBitmap1;
552     if ((pBitmap->IsCmykImage() || pIccTransform) &&
553         (pBitmap = pBitmap->CloneConvert(FXDIB_Rgb, NULL, pIccTransform)) ==
554             NULL) {
555       return FALSE;
556     }
557     int width = pSrcRect->Width(), height = pSrcRect->Height();
558     LPBYTE pBuffer = pBitmap->GetBuffer();
559     CFX_ByteString info = CFX_WindowsDIB::GetBitmapInfo(pBitmap);
560     ::SetDIBitsToDevice(m_hDC, left, top, width, height, pSrcRect->left,
561                         pBitmap->GetHeight() - pSrcRect->bottom, 0,
562                         pBitmap->GetHeight(), pBuffer,
563                         (BITMAPINFO*)info.c_str(), DIB_RGB_COLORS);
564     if (pBitmap != pBitmap1) {
565       delete pBitmap;
566     }
567   }
568   return TRUE;
569 }
GDI_StretchDIBits(const CFX_DIBitmap * pBitmap1,int dest_left,int dest_top,int dest_width,int dest_height,FX_DWORD flags,void * pIccTransform)570 FX_BOOL CGdiDeviceDriver::GDI_StretchDIBits(const CFX_DIBitmap* pBitmap1,
571                                             int dest_left,
572                                             int dest_top,
573                                             int dest_width,
574                                             int dest_height,
575                                             FX_DWORD flags,
576                                             void* pIccTransform) {
577   CFX_DIBitmap* pBitmap = (CFX_DIBitmap*)pBitmap1;
578   if (!pBitmap || dest_width == 0 || dest_height == 0) {
579     return FALSE;
580   }
581   if ((pBitmap->IsCmykImage() || pIccTransform) &&
582       !pBitmap->ConvertFormat(FXDIB_Rgb, pIccTransform)) {
583     return FALSE;
584   }
585   CFX_ByteString info = CFX_WindowsDIB::GetBitmapInfo(pBitmap);
586   if ((int64_t)abs(dest_width) * abs(dest_height) <
587           (int64_t)pBitmap1->GetWidth() * pBitmap1->GetHeight() * 4 ||
588       (flags & FXDIB_INTERPOL) || (flags & FXDIB_BICUBIC_INTERPOL)) {
589     SetStretchBltMode(m_hDC, HALFTONE);
590   } else {
591     SetStretchBltMode(m_hDC, COLORONCOLOR);
592   }
593   CFX_DIBitmap* pToStrechBitmap = pBitmap;
594   bool del = false;
595   if (m_DeviceClass == FXDC_PRINTER &&
596       ((int64_t)pBitmap->GetWidth() * pBitmap->GetHeight() >
597        (int64_t)abs(dest_width) * abs(dest_height))) {
598     pToStrechBitmap = pBitmap->StretchTo(dest_width, dest_height);
599     del = true;
600   }
601   CFX_ByteString toStrechBitmapInfo =
602       CFX_WindowsDIB::GetBitmapInfo(pToStrechBitmap);
603   ::StretchDIBits(m_hDC, dest_left, dest_top, dest_width, dest_height, 0, 0,
604                   pToStrechBitmap->GetWidth(), pToStrechBitmap->GetHeight(),
605                   pToStrechBitmap->GetBuffer(),
606                   (BITMAPINFO*)toStrechBitmapInfo.c_str(), DIB_RGB_COLORS,
607                   SRCCOPY);
608   if (del) {
609     delete pToStrechBitmap;
610   }
611   return TRUE;
612 }
GDI_StretchBitMask(const CFX_DIBitmap * pBitmap1,int dest_left,int dest_top,int dest_width,int dest_height,FX_DWORD bitmap_color,FX_DWORD flags,int alpha_flag,void * pIccTransform)613 FX_BOOL CGdiDeviceDriver::GDI_StretchBitMask(const CFX_DIBitmap* pBitmap1,
614                                              int dest_left,
615                                              int dest_top,
616                                              int dest_width,
617                                              int dest_height,
618                                              FX_DWORD bitmap_color,
619                                              FX_DWORD flags,
620                                              int alpha_flag,
621                                              void* pIccTransform) {
622   CFX_DIBitmap* pBitmap = (CFX_DIBitmap*)pBitmap1;
623   if (!pBitmap || dest_width == 0 || dest_height == 0) {
624     return FALSE;
625   }
626   _Color2Argb(bitmap_color, bitmap_color, alpha_flag | (1 << 24),
627               pIccTransform);
628   int width = pBitmap->GetWidth(), height = pBitmap->GetHeight();
629   struct {
630     BITMAPINFOHEADER bmiHeader;
631     FX_DWORD bmiColors[2];
632   } bmi;
633   FXSYS_memset(&bmi.bmiHeader, 0, sizeof(BITMAPINFOHEADER));
634   bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
635   bmi.bmiHeader.biBitCount = 1;
636   bmi.bmiHeader.biCompression = BI_RGB;
637   bmi.bmiHeader.biHeight = -height;
638   bmi.bmiHeader.biPlanes = 1;
639   bmi.bmiHeader.biWidth = width;
640   if (m_nBitsPerPixel != 1) {
641     SetStretchBltMode(m_hDC, HALFTONE);
642   }
643   bmi.bmiColors[0] = 0xffffff;
644   bmi.bmiColors[1] = 0;
645 
646   HBRUSH hPattern = CreateSolidBrush(bitmap_color & 0xffffff);
647   HBRUSH hOld = (HBRUSH)SelectObject(m_hDC, hPattern);
648 
649   // In PDF, when image mask is 1, use device bitmap; when mask is 0, use brush
650   // bitmap.
651   // A complete list of the boolen operations is as follows:
652 
653   /* P(bitmap_color)    S(ImageMask)    D(DeviceBitmap)    Result
654    *        0                 0                0              0
655    *        0                 0                1              0
656    *        0                 1                0              0
657    *        0                 1                1              1
658    *        1                 0                0              1
659    *        1                 0                1              1
660    *        1                 1                0              0
661    *        1                 1                1              1
662    */
663   // The boolen codes is B8. Based on
664   // http://msdn.microsoft.com/en-us/library/aa932106.aspx, the ROP3 code is
665   // 0xB8074A
666 
667   ::StretchDIBits(m_hDC, dest_left, dest_top, dest_width, dest_height, 0, 0,
668                   width, height, pBitmap->GetBuffer(), (BITMAPINFO*)&bmi,
669                   DIB_RGB_COLORS, 0xB8074A);
670 
671   SelectObject(m_hDC, hOld);
672   DeleteObject(hPattern);
673 
674   return TRUE;
675 }
GetClipBox(FX_RECT * pRect)676 FX_BOOL CGdiDeviceDriver::GetClipBox(FX_RECT* pRect) {
677   return ::GetClipBox(m_hDC, (RECT*)pRect);
678 }
SetClipRgn(void * hRgn)679 FX_BOOL CGdiDeviceDriver::SetClipRgn(void* hRgn) {
680   ::SelectClipRgn(m_hDC, (HRGN)hRgn);
681   return TRUE;
682 }
_CreatePen(const CFX_GraphStateData * pGraphState,const CFX_Matrix * pMatrix,FX_DWORD argb)683 static HPEN _CreatePen(const CFX_GraphStateData* pGraphState,
684                        const CFX_Matrix* pMatrix,
685                        FX_DWORD argb) {
686   FX_FLOAT width;
687   FX_FLOAT scale = 1.f;
688   if (pMatrix)
689     scale = FXSYS_fabs(pMatrix->a) > FXSYS_fabs(pMatrix->b)
690                 ? FXSYS_fabs(pMatrix->a)
691                 : FXSYS_fabs(pMatrix->b);
692   if (pGraphState) {
693     width = scale * pGraphState->m_LineWidth;
694   } else {
695     width = 1.0f;
696   }
697   FX_DWORD PenStyle = PS_GEOMETRIC;
698   if (width < 1) {
699     width = 1;
700   }
701   if (pGraphState->m_DashCount) {
702     PenStyle |= PS_USERSTYLE;
703   } else {
704     PenStyle |= PS_SOLID;
705   }
706   switch (pGraphState->m_LineCap) {
707     case 0:
708       PenStyle |= PS_ENDCAP_FLAT;
709       break;
710     case 1:
711       PenStyle |= PS_ENDCAP_ROUND;
712       break;
713     case 2:
714       PenStyle |= PS_ENDCAP_SQUARE;
715       break;
716   }
717   switch (pGraphState->m_LineJoin) {
718     case 0:
719       PenStyle |= PS_JOIN_MITER;
720       break;
721     case 1:
722       PenStyle |= PS_JOIN_ROUND;
723       break;
724     case 2:
725       PenStyle |= PS_JOIN_BEVEL;
726       break;
727   }
728   int a;
729   FX_COLORREF rgb;
730   ArgbDecode(argb, a, rgb);
731   LOGBRUSH lb;
732   lb.lbColor = rgb;
733   lb.lbStyle = BS_SOLID;
734   lb.lbHatch = 0;
735   FX_DWORD* pDash = NULL;
736   if (pGraphState->m_DashCount) {
737     pDash = FX_Alloc(FX_DWORD, pGraphState->m_DashCount);
738     for (int i = 0; i < pGraphState->m_DashCount; i++) {
739       pDash[i] = FXSYS_round(
740           pMatrix ? pMatrix->TransformDistance(pGraphState->m_DashArray[i])
741                   : pGraphState->m_DashArray[i]);
742       if (pDash[i] < 1) {
743         pDash[i] = 1;
744       }
745     }
746   }
747   HPEN hPen = ExtCreatePen(PenStyle, (DWORD)FXSYS_ceil(width), &lb,
748                            pGraphState->m_DashCount, (const DWORD*)pDash);
749   FX_Free(pDash);
750   return hPen;
751 }
_CreateBrush(FX_DWORD argb)752 static HBRUSH _CreateBrush(FX_DWORD argb) {
753   int a;
754   FX_COLORREF rgb;
755   ArgbDecode(argb, a, rgb);
756   return CreateSolidBrush(rgb);
757 }
_SetPathToDC(HDC hDC,const CFX_PathData * pPathData,const CFX_Matrix * pMatrix)758 static void _SetPathToDC(HDC hDC,
759                          const CFX_PathData* pPathData,
760                          const CFX_Matrix* pMatrix) {
761   BeginPath(hDC);
762   int nPoints = pPathData->GetPointCount();
763   FX_PATHPOINT* pPoints = pPathData->GetPoints();
764   for (int i = 0; i < nPoints; i++) {
765     FX_FLOAT posx = pPoints[i].m_PointX, posy = pPoints[i].m_PointY;
766     if (pMatrix) {
767       pMatrix->Transform(posx, posy);
768     }
769     int screen_x = FXSYS_round(posx), screen_y = FXSYS_round(posy);
770     int point_type = pPoints[i].m_Flag & FXPT_TYPE;
771     if (point_type == PT_MOVETO) {
772       MoveToEx(hDC, screen_x, screen_y, NULL);
773     } else if (point_type == PT_LINETO) {
774       if (pPoints[i].m_PointY == pPoints[i - 1].m_PointY &&
775           pPoints[i].m_PointX == pPoints[i - 1].m_PointX) {
776         screen_x++;
777       }
778       LineTo(hDC, screen_x, screen_y);
779     } else if (point_type == PT_BEZIERTO) {
780       POINT lppt[3];
781       lppt[0].x = screen_x;
782       lppt[0].y = screen_y;
783       posx = pPoints[i + 1].m_PointX;
784       posy = pPoints[i + 1].m_PointY;
785       if (pMatrix) {
786         pMatrix->Transform(posx, posy);
787       }
788       lppt[1].x = FXSYS_round(posx);
789       lppt[1].y = FXSYS_round(posy);
790       posx = pPoints[i + 2].m_PointX;
791       posy = pPoints[i + 2].m_PointY;
792       if (pMatrix) {
793         pMatrix->Transform(posx, posy);
794       }
795       lppt[2].x = FXSYS_round(posx);
796       lppt[2].y = FXSYS_round(posy);
797       PolyBezierTo(hDC, lppt, 3);
798       i += 2;
799     }
800     if (pPoints[i].m_Flag & PT_CLOSEFIGURE) {
801       CloseFigure(hDC);
802     }
803   }
804   EndPath(hDC);
805 }
DrawLine(FX_FLOAT x1,FX_FLOAT y1,FX_FLOAT x2,FX_FLOAT y2)806 void CGdiDeviceDriver::DrawLine(FX_FLOAT x1,
807                                 FX_FLOAT y1,
808                                 FX_FLOAT x2,
809                                 FX_FLOAT y2) {
810   int flag1 = (x1 < 0) | ((x1 > m_Width) << 1) | ((y1 < 0) << 2) |
811               ((y1 > m_Height) << 3);
812   int flag2 = (x2 < 0) | ((x2 > m_Width) << 1) | ((y2 < 0) << 2) |
813               ((y2 > m_Height) << 3);
814   if (flag1 & flag2) {
815     return;
816   }
817   if (flag1 || flag2) {
818     agg::rect_base<FX_FLOAT> rect(0.0f, 0.0f, (FX_FLOAT)(m_Width),
819                                   (FX_FLOAT)(m_Height));
820     FX_FLOAT x[2], y[2];
821     int np = agg::clip_liang_barsky<FX_FLOAT>(x1, y1, x2, y2, rect, x, y);
822     if (np == 0) {
823       return;
824     }
825     if (np == 1) {
826       x2 = x[0];
827       y2 = y[0];
828     } else {
829       x1 = x[0];
830       y1 = y[0];
831       x2 = x[np - 1];
832       y2 = y[np - 1];
833     }
834   }
835   MoveToEx(m_hDC, FXSYS_round(x1), FXSYS_round(y1), NULL);
836   LineTo(m_hDC, FXSYS_round(x2), FXSYS_round(y2));
837 }
_MatrixNoScaled(const CFX_Matrix * pMatrix)838 static FX_BOOL _MatrixNoScaled(const CFX_Matrix* pMatrix) {
839   return pMatrix->GetA() == 1.0f && pMatrix->GetB() == 0 &&
840          pMatrix->GetC() == 0 && pMatrix->GetD() == 1.0f;
841 }
DrawPath(const CFX_PathData * pPathData,const CFX_Matrix * pMatrix,const CFX_GraphStateData * pGraphState,FX_DWORD fill_color,FX_DWORD stroke_color,int fill_mode,int alpha_flag,void * pIccTransform,int blend_type)842 FX_BOOL CGdiDeviceDriver::DrawPath(const CFX_PathData* pPathData,
843                                    const CFX_Matrix* pMatrix,
844                                    const CFX_GraphStateData* pGraphState,
845                                    FX_DWORD fill_color,
846                                    FX_DWORD stroke_color,
847                                    int fill_mode,
848                                    int alpha_flag,
849                                    void* pIccTransform,
850                                    int blend_type) {
851   if (blend_type != FXDIB_BLEND_NORMAL) {
852     return FALSE;
853   }
854   _Color2Argb(fill_color, fill_color, alpha_flag | (1 << 24), pIccTransform);
855   _Color2Argb(stroke_color, stroke_color, alpha_flag, pIccTransform);
856   CWin32Platform* pPlatform =
857       (CWin32Platform*)CFX_GEModule::Get()->GetPlatformData();
858   if (!(pGraphState || stroke_color == 0) &&
859       !pPlatform->m_GdiplusExt.IsAvailable()) {
860     CFX_FloatRect bbox_f = pPathData->GetBoundingBox();
861     if (pMatrix) {
862       bbox_f.Transform(pMatrix);
863     }
864     FX_RECT bbox = bbox_f.GetInnerRect();
865     if (bbox.Width() <= 0) {
866       return DrawCosmeticLine((FX_FLOAT)(bbox.left), (FX_FLOAT)(bbox.top),
867                               (FX_FLOAT)(bbox.left),
868                               (FX_FLOAT)(bbox.bottom + 1), fill_color,
869                               alpha_flag, pIccTransform, FXDIB_BLEND_NORMAL);
870     } else if (bbox.Height() <= 0) {
871       return DrawCosmeticLine((FX_FLOAT)(bbox.left), (FX_FLOAT)(bbox.top),
872                               (FX_FLOAT)(bbox.right + 1), (FX_FLOAT)(bbox.top),
873                               fill_color, alpha_flag, pIccTransform,
874                               FXDIB_BLEND_NORMAL);
875     }
876   }
877   int fill_alpha = FXARGB_A(fill_color);
878   int stroke_alpha = FXARGB_A(stroke_color);
879   FX_BOOL bDrawAlpha = (fill_alpha > 0 && fill_alpha < 255) ||
880                        (stroke_alpha > 0 && stroke_alpha < 255 && pGraphState);
881   if (!pPlatform->m_GdiplusExt.IsAvailable() && bDrawAlpha) {
882     return FALSE;
883   }
884   if (pPlatform->m_GdiplusExt.IsAvailable()) {
885     if (bDrawAlpha ||
886         ((m_DeviceClass != FXDC_PRINTER && !(fill_mode & FXFILL_FULLCOVER)) ||
887          (pGraphState && pGraphState->m_DashCount))) {
888       if (!((NULL == pMatrix || _MatrixNoScaled(pMatrix)) && pGraphState &&
889             pGraphState->m_LineWidth == 1.f &&
890             (pPathData->GetPointCount() == 5 ||
891              pPathData->GetPointCount() == 4) &&
892             pPathData->IsRect())) {
893         if (pPlatform->m_GdiplusExt.DrawPath(m_hDC, pPathData, pMatrix,
894                                              pGraphState, fill_color,
895                                              stroke_color, fill_mode)) {
896           return TRUE;
897         }
898       }
899     }
900   }
901   int old_fill_mode = fill_mode;
902   fill_mode &= 3;
903   HPEN hPen = NULL;
904   HBRUSH hBrush = NULL;
905   if (pGraphState && stroke_alpha) {
906     SetMiterLimit(m_hDC, pGraphState->m_MiterLimit, NULL);
907     hPen = _CreatePen(pGraphState, pMatrix, stroke_color);
908     hPen = (HPEN)SelectObject(m_hDC, hPen);
909   }
910   if (fill_mode && fill_alpha) {
911     SetPolyFillMode(m_hDC, fill_mode);
912     hBrush = _CreateBrush(fill_color);
913     hBrush = (HBRUSH)SelectObject(m_hDC, hBrush);
914   }
915   if (pPathData->GetPointCount() == 2 && pGraphState &&
916       pGraphState->m_DashCount) {
917     FX_FLOAT x1 = pPathData->GetPointX(0), y1 = pPathData->GetPointY(0);
918     if (pMatrix) {
919       pMatrix->Transform(x1, y1);
920     }
921     FX_FLOAT x2 = pPathData->GetPointX(1), y2 = pPathData->GetPointY(1);
922     if (pMatrix) {
923       pMatrix->Transform(x2, y2);
924     }
925     DrawLine(x1, y1, x2, y2);
926   } else {
927     _SetPathToDC(m_hDC, pPathData, pMatrix);
928     if (pGraphState && stroke_alpha) {
929       if (fill_mode && fill_alpha) {
930         if (old_fill_mode & FX_FILL_TEXT_MODE) {
931           StrokeAndFillPath(m_hDC);
932         } else {
933           FillPath(m_hDC);
934           _SetPathToDC(m_hDC, pPathData, pMatrix);
935           StrokePath(m_hDC);
936         }
937       } else {
938         StrokePath(m_hDC);
939       }
940     } else if (fill_mode && fill_alpha) {
941       FillPath(m_hDC);
942     }
943   }
944   if (hPen) {
945     hPen = (HPEN)SelectObject(m_hDC, hPen);
946     DeleteObject(hPen);
947   }
948   if (hBrush) {
949     hBrush = (HBRUSH)SelectObject(m_hDC, hBrush);
950     DeleteObject(hBrush);
951   }
952   return TRUE;
953 }
FillRect(const FX_RECT * pRect,FX_DWORD fill_color,int alpha_flag,void * pIccTransform,int blend_type)954 FX_BOOL CGdiDeviceDriver::FillRect(const FX_RECT* pRect,
955                                    FX_DWORD fill_color,
956                                    int alpha_flag,
957                                    void* pIccTransform,
958                                    int blend_type) {
959   if (blend_type != FXDIB_BLEND_NORMAL) {
960     return FALSE;
961   }
962   _Color2Argb(fill_color, fill_color, alpha_flag | (1 << 24), pIccTransform);
963   int alpha;
964   FX_COLORREF rgb;
965   ArgbDecode(fill_color, alpha, rgb);
966   if (alpha == 0) {
967     return TRUE;
968   }
969   if (alpha < 255) {
970     return FALSE;
971   }
972   HBRUSH hBrush = CreateSolidBrush(rgb);
973   ::FillRect(m_hDC, (RECT*)pRect, hBrush);
974   DeleteObject(hBrush);
975   return TRUE;
976 }
SetClip_PathFill(const CFX_PathData * pPathData,const CFX_Matrix * pMatrix,int fill_mode)977 FX_BOOL CGdiDeviceDriver::SetClip_PathFill(const CFX_PathData* pPathData,
978                                            const CFX_Matrix* pMatrix,
979                                            int fill_mode) {
980   if (pPathData->GetPointCount() == 5) {
981     CFX_FloatRect rectf;
982     if (pPathData->IsRect(pMatrix, &rectf)) {
983       FX_RECT rect = rectf.GetOutterRect();
984       IntersectClipRect(m_hDC, rect.left, rect.top, rect.right, rect.bottom);
985       return TRUE;
986     }
987   }
988   _SetPathToDC(m_hDC, pPathData, pMatrix);
989   SetPolyFillMode(m_hDC, fill_mode & 3);
990   SelectClipPath(m_hDC, RGN_AND);
991   return TRUE;
992 }
SetClip_PathStroke(const CFX_PathData * pPathData,const CFX_Matrix * pMatrix,const CFX_GraphStateData * pGraphState)993 FX_BOOL CGdiDeviceDriver::SetClip_PathStroke(
994     const CFX_PathData* pPathData,
995     const CFX_Matrix* pMatrix,
996     const CFX_GraphStateData* pGraphState) {
997   HPEN hPen = _CreatePen(pGraphState, pMatrix, 0xff000000);
998   hPen = (HPEN)SelectObject(m_hDC, hPen);
999   _SetPathToDC(m_hDC, pPathData, pMatrix);
1000   WidenPath(m_hDC);
1001   SetPolyFillMode(m_hDC, WINDING);
1002   FX_BOOL ret = SelectClipPath(m_hDC, RGN_AND);
1003   hPen = (HPEN)SelectObject(m_hDC, hPen);
1004   DeleteObject(hPen);
1005   return ret;
1006 }
DrawCosmeticLine(FX_FLOAT x1,FX_FLOAT y1,FX_FLOAT x2,FX_FLOAT y2,FX_DWORD color,int alpha_flag,void * pIccTransform,int blend_type)1007 FX_BOOL CGdiDeviceDriver::DrawCosmeticLine(FX_FLOAT x1,
1008                                            FX_FLOAT y1,
1009                                            FX_FLOAT x2,
1010                                            FX_FLOAT y2,
1011                                            FX_DWORD color,
1012                                            int alpha_flag,
1013                                            void* pIccTransform,
1014                                            int blend_type) {
1015   if (blend_type != FXDIB_BLEND_NORMAL) {
1016     return FALSE;
1017   }
1018   _Color2Argb(color, color, alpha_flag | (1 << 24), pIccTransform);
1019   int a;
1020   FX_COLORREF rgb;
1021   ArgbDecode(color, a, rgb);
1022   if (a == 0) {
1023     return TRUE;
1024   }
1025   HPEN hPen = CreatePen(PS_SOLID, 1, rgb);
1026   hPen = (HPEN)SelectObject(m_hDC, hPen);
1027   MoveToEx(m_hDC, FXSYS_round(x1), FXSYS_round(y1), NULL);
1028   LineTo(m_hDC, FXSYS_round(x2), FXSYS_round(y2));
1029   hPen = (HPEN)SelectObject(m_hDC, hPen);
1030   DeleteObject(hPen);
1031   return TRUE;
1032 }
DeleteDeviceRgn(void * pRgn)1033 FX_BOOL CGdiDeviceDriver::DeleteDeviceRgn(void* pRgn) {
1034   DeleteObject((HGDIOBJ)pRgn);
1035   return TRUE;
1036 }
CGdiDisplayDriver(HDC hDC)1037 CGdiDisplayDriver::CGdiDisplayDriver(HDC hDC)
1038     : CGdiDeviceDriver(hDC, FXDC_DISPLAY) {
1039   CWin32Platform* pPlatform =
1040       (CWin32Platform*)CFX_GEModule::Get()->GetPlatformData();
1041   if (pPlatform->m_GdiplusExt.IsAvailable()) {
1042     m_RenderCaps |= FXRC_ALPHA_PATH | FXRC_ALPHA_IMAGE;
1043   }
1044 }
GetDIBits(CFX_DIBitmap * pBitmap,int left,int top,void * pIccTransform,FX_BOOL bDEdge)1045 FX_BOOL CGdiDisplayDriver::GetDIBits(CFX_DIBitmap* pBitmap,
1046                                      int left,
1047                                      int top,
1048                                      void* pIccTransform,
1049                                      FX_BOOL bDEdge) {
1050   FX_BOOL ret = FALSE;
1051   int width = pBitmap->GetWidth();
1052   int height = pBitmap->GetHeight();
1053   HBITMAP hbmp = CreateCompatibleBitmap(m_hDC, width, height);
1054   HDC hDCMemory = CreateCompatibleDC(m_hDC);
1055   HBITMAP holdbmp = (HBITMAP)SelectObject(hDCMemory, hbmp);
1056   BitBlt(hDCMemory, 0, 0, width, height, m_hDC, left, top, SRCCOPY);
1057   SelectObject(hDCMemory, holdbmp);
1058   BITMAPINFO bmi;
1059   FXSYS_memset(&bmi, 0, sizeof bmi);
1060   bmi.bmiHeader.biSize = sizeof bmi.bmiHeader;
1061   bmi.bmiHeader.biBitCount = pBitmap->GetBPP();
1062   bmi.bmiHeader.biHeight = -height;
1063   bmi.bmiHeader.biPlanes = 1;
1064   bmi.bmiHeader.biWidth = width;
1065   if (!CFX_GEModule::Get()->GetCodecModule() ||
1066       !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) {
1067     pIccTransform = NULL;
1068   }
1069   if (pBitmap->GetBPP() > 8 && !pBitmap->IsCmykImage() && !pIccTransform) {
1070     ret = ::GetDIBits(hDCMemory, hbmp, 0, height, pBitmap->GetBuffer(), &bmi,
1071                       DIB_RGB_COLORS) == height;
1072   } else {
1073     CFX_DIBitmap bitmap;
1074     if (bitmap.Create(width, height, FXDIB_Rgb)) {
1075       bmi.bmiHeader.biBitCount = 24;
1076       ::GetDIBits(hDCMemory, hbmp, 0, height, bitmap.GetBuffer(), &bmi,
1077                   DIB_RGB_COLORS);
1078       ret = pBitmap->TransferBitmap(0, 0, width, height, &bitmap, 0, 0,
1079                                     pIccTransform);
1080     } else {
1081       ret = FALSE;
1082     }
1083   }
1084   if (pBitmap->HasAlpha() && ret) {
1085     pBitmap->LoadChannel(FXDIB_Alpha, 0xff);
1086   }
1087   DeleteObject(hbmp);
1088   DeleteObject(hDCMemory);
1089   return ret;
1090 }
SetDIBits(const CFX_DIBSource * pSource,FX_DWORD color,const FX_RECT * pSrcRect,int left,int top,int blend_type,int alpha_flag,void * pIccTransform)1091 FX_BOOL CGdiDisplayDriver::SetDIBits(const CFX_DIBSource* pSource,
1092                                      FX_DWORD color,
1093                                      const FX_RECT* pSrcRect,
1094                                      int left,
1095                                      int top,
1096                                      int blend_type,
1097                                      int alpha_flag,
1098                                      void* pIccTransform) {
1099   ASSERT(blend_type == FXDIB_BLEND_NORMAL);
1100   if (pSource->IsAlphaMask()) {
1101     int width = pSource->GetWidth(), height = pSource->GetHeight();
1102     int alpha = FXGETFLAG_COLORTYPE(alpha_flag)
1103                     ? FXGETFLAG_ALPHA_FILL(alpha_flag)
1104                     : FXARGB_A(color);
1105     FX_BOOL bGDI = pSource->GetBPP() == 1 && alpha == 255;
1106     if (!bGDI) {
1107       CFX_DIBitmap background;
1108       if (!background.Create(width, height, FXDIB_Rgb32) ||
1109           !GetDIBits(&background, left, top, NULL) ||
1110           !background.CompositeMask(0, 0, width, height, pSource, color, 0, 0,
1111                                     FXDIB_BLEND_NORMAL, NULL, FALSE, alpha_flag,
1112                                     pIccTransform)) {
1113         return FALSE;
1114       }
1115       FX_RECT src_rect(0, 0, width, height);
1116       return SetDIBits(&background, 0, &src_rect, left, top, FXDIB_BLEND_NORMAL,
1117                        0, NULL);
1118     }
1119     FX_RECT clip_rect(left, top, left + pSrcRect->Width(),
1120                       top + pSrcRect->Height());
1121     return StretchDIBits(pSource, color, left - pSrcRect->left,
1122                          top - pSrcRect->top, width, height, &clip_rect, 0,
1123                          alpha_flag, pIccTransform, FXDIB_BLEND_NORMAL);
1124   }
1125   int width = pSrcRect->Width(), height = pSrcRect->Height();
1126   if (pSource->HasAlpha()) {
1127     CFX_DIBitmap bitmap;
1128     if (!bitmap.Create(width, height, FXDIB_Rgb) ||
1129         !GetDIBits(&bitmap, left, top, NULL) ||
1130         !bitmap.CompositeBitmap(0, 0, width, height, pSource, pSrcRect->left,
1131                                 pSrcRect->top, FXDIB_BLEND_NORMAL, NULL, FALSE,
1132                                 pIccTransform)) {
1133       return FALSE;
1134     }
1135     FX_RECT src_rect(0, 0, width, height);
1136     return SetDIBits(&bitmap, 0, &src_rect, left, top, FXDIB_BLEND_NORMAL, 0,
1137                      NULL);
1138   }
1139   CFX_DIBExtractor temp(pSource);
1140   CFX_DIBitmap* pBitmap = temp;
1141   if (pBitmap) {
1142     return GDI_SetDIBits(pBitmap, pSrcRect, left, top, pIccTransform);
1143   }
1144   return FALSE;
1145 }
UseFoxitStretchEngine(const CFX_DIBSource * pSource,FX_DWORD color,int dest_left,int dest_top,int dest_width,int dest_height,const FX_RECT * pClipRect,int render_flags,int alpha_flag,void * pIccTransform,int blend_type)1146 FX_BOOL CGdiDisplayDriver::UseFoxitStretchEngine(const CFX_DIBSource* pSource,
1147                                                  FX_DWORD color,
1148                                                  int dest_left,
1149                                                  int dest_top,
1150                                                  int dest_width,
1151                                                  int dest_height,
1152                                                  const FX_RECT* pClipRect,
1153                                                  int render_flags,
1154                                                  int alpha_flag,
1155                                                  void* pIccTransform,
1156                                                  int blend_type) {
1157   FX_RECT bitmap_clip = *pClipRect;
1158   if (dest_width < 0) {
1159     dest_left += dest_width;
1160   }
1161   if (dest_height < 0) {
1162     dest_top += dest_height;
1163   }
1164   bitmap_clip.Offset(-dest_left, -dest_top);
1165   CFX_DIBitmap* pStretched =
1166       pSource->StretchTo(dest_width, dest_height, render_flags, &bitmap_clip);
1167   if (!pStretched) {
1168     return TRUE;
1169   }
1170   FX_RECT src_rect(0, 0, pStretched->GetWidth(), pStretched->GetHeight());
1171   FX_BOOL ret =
1172       SetDIBits(pStretched, color, &src_rect, pClipRect->left, pClipRect->top,
1173                 FXDIB_BLEND_NORMAL, alpha_flag, pIccTransform);
1174   delete pStretched;
1175   return ret;
1176 }
StretchDIBits(const CFX_DIBSource * pSource,FX_DWORD color,int dest_left,int dest_top,int dest_width,int dest_height,const FX_RECT * pClipRect,FX_DWORD flags,int alpha_flag,void * pIccTransform,int blend_type)1177 FX_BOOL CGdiDisplayDriver::StretchDIBits(const CFX_DIBSource* pSource,
1178                                          FX_DWORD color,
1179                                          int dest_left,
1180                                          int dest_top,
1181                                          int dest_width,
1182                                          int dest_height,
1183                                          const FX_RECT* pClipRect,
1184                                          FX_DWORD flags,
1185                                          int alpha_flag,
1186                                          void* pIccTransform,
1187                                          int blend_type) {
1188   ASSERT(pSource && pClipRect);
1189   if (flags || dest_width > 10000 || dest_width < -10000 ||
1190       dest_height > 10000 || dest_height < -10000) {
1191     return UseFoxitStretchEngine(pSource, color, dest_left, dest_top,
1192                                  dest_width, dest_height, pClipRect, flags,
1193                                  alpha_flag, pIccTransform, blend_type);
1194   }
1195   if (pSource->IsAlphaMask()) {
1196     FX_RECT image_rect;
1197     image_rect.left = dest_width > 0 ? dest_left : dest_left + dest_width;
1198     image_rect.right = dest_width > 0 ? dest_left + dest_width : dest_left;
1199     image_rect.top = dest_height > 0 ? dest_top : dest_top + dest_height;
1200     image_rect.bottom = dest_height > 0 ? dest_top + dest_height : dest_top;
1201     FX_RECT clip_rect = image_rect;
1202     clip_rect.Intersect(*pClipRect);
1203     clip_rect.Offset(-image_rect.left, -image_rect.top);
1204     int clip_width = clip_rect.Width(), clip_height = clip_rect.Height();
1205     CFX_DIBitmap* pStretched =
1206         pSource->StretchTo(dest_width, dest_height, flags, &clip_rect);
1207     if (!pStretched) {
1208       return TRUE;
1209     }
1210     CFX_DIBitmap background;
1211     if (!background.Create(clip_width, clip_height, FXDIB_Rgb32) ||
1212         !GetDIBits(&background, image_rect.left + clip_rect.left,
1213                    image_rect.top + clip_rect.top, NULL) ||
1214         !background.CompositeMask(0, 0, clip_width, clip_height, pStretched,
1215                                   color, 0, 0, FXDIB_BLEND_NORMAL, NULL, FALSE,
1216                                   alpha_flag, pIccTransform)) {
1217       delete pStretched;
1218       return FALSE;
1219     }
1220     FX_RECT src_rect(0, 0, clip_width, clip_height);
1221     FX_BOOL ret =
1222         SetDIBits(&background, 0, &src_rect, image_rect.left + clip_rect.left,
1223                   image_rect.top + clip_rect.top, FXDIB_BLEND_NORMAL, 0, NULL);
1224     delete pStretched;
1225     return ret;
1226   }
1227   if (pSource->HasAlpha()) {
1228     CWin32Platform* pPlatform =
1229         (CWin32Platform*)CFX_GEModule::Get()->GetPlatformData();
1230     if (pPlatform->m_GdiplusExt.IsAvailable() && !pIccTransform &&
1231         !pSource->IsCmykImage()) {
1232       CFX_DIBExtractor temp(pSource);
1233       CFX_DIBitmap* pBitmap = temp;
1234       if (!pBitmap) {
1235         return FALSE;
1236       }
1237       return pPlatform->m_GdiplusExt.StretchDIBits(
1238           m_hDC, pBitmap, dest_left, dest_top, dest_width, dest_height,
1239           pClipRect, flags);
1240     }
1241     return UseFoxitStretchEngine(pSource, color, dest_left, dest_top,
1242                                  dest_width, dest_height, pClipRect, flags,
1243                                  alpha_flag, pIccTransform, blend_type);
1244   }
1245   CFX_DIBExtractor temp(pSource);
1246   CFX_DIBitmap* pBitmap = temp;
1247   if (pBitmap) {
1248     return GDI_StretchDIBits(pBitmap, dest_left, dest_top, dest_width,
1249                              dest_height, flags, pIccTransform);
1250   }
1251   return FALSE;
1252 }
1253 #define GET_PS_FEATURESETTING 4121
1254 #define FEATURESETTING_PSLEVEL 2
GetPSLevel(HDC hDC)1255 int GetPSLevel(HDC hDC) {
1256   int device_type = ::GetDeviceCaps(hDC, TECHNOLOGY);
1257   if (device_type != DT_RASPRINTER) {
1258     return 0;
1259   }
1260   FX_DWORD esc = GET_PS_FEATURESETTING;
1261   if (ExtEscape(hDC, QUERYESCSUPPORT, sizeof esc, (char*)&esc, 0, NULL)) {
1262     int param = FEATURESETTING_PSLEVEL;
1263     if (ExtEscape(hDC, GET_PS_FEATURESETTING, sizeof(int), (char*)&param,
1264                   sizeof(int), (char*)&param) > 0) {
1265       return param;
1266     }
1267   }
1268   esc = POSTSCRIPT_IDENTIFY;
1269   if (ExtEscape(hDC, QUERYESCSUPPORT, sizeof esc, (char*)&esc, 0, NULL) == 0) {
1270     esc = POSTSCRIPT_DATA;
1271     if (ExtEscape(hDC, QUERYESCSUPPORT, sizeof esc, (char*)&esc, 0, NULL)) {
1272       return 2;
1273     }
1274     return 0;
1275   }
1276   esc = PSIDENT_GDICENTRIC;
1277   if (ExtEscape(hDC, POSTSCRIPT_IDENTIFY, sizeof(FX_DWORD), (char*)&esc, 0,
1278                 NULL) <= 0) {
1279     return 2;
1280   }
1281   esc = GET_PS_FEATURESETTING;
1282   if (ExtEscape(hDC, QUERYESCSUPPORT, sizeof esc, (char*)&esc, 0, NULL)) {
1283     int param = FEATURESETTING_PSLEVEL;
1284     if (ExtEscape(hDC, GET_PS_FEATURESETTING, sizeof(int), (char*)&param,
1285                   sizeof(int), (char*)&param) > 0) {
1286       return param;
1287     }
1288   }
1289   return 2;
1290 }
1291 int CFX_WindowsDevice::m_psLevel = 2;
CFX_WindowsDevice(HDC hDC,FX_BOOL bCmykOutput,FX_BOOL bForcePSOutput,int psLevel)1292 CFX_WindowsDevice::CFX_WindowsDevice(HDC hDC,
1293                                      FX_BOOL bCmykOutput,
1294                                      FX_BOOL bForcePSOutput,
1295                                      int psLevel) {
1296   m_bForcePSOutput = bForcePSOutput;
1297   m_psLevel = psLevel;
1298   if (bForcePSOutput) {
1299     IFX_RenderDeviceDriver* pDriver = new CPSPrinterDriver;
1300     ((CPSPrinterDriver*)pDriver)->Init(hDC, psLevel, bCmykOutput);
1301     SetDeviceDriver(pDriver);
1302     return;
1303   }
1304   SetDeviceDriver(CreateDriver(hDC, bCmykOutput));
1305 }
GetDC() const1306 HDC CFX_WindowsDevice::GetDC() const {
1307   IFX_RenderDeviceDriver* pRDD = GetDeviceDriver();
1308   if (!pRDD) {
1309     return NULL;
1310   }
1311   return (HDC)pRDD->GetPlatformSurface();
1312 }
CreateDriver(HDC hDC,FX_BOOL bCmykOutput)1313 IFX_RenderDeviceDriver* CFX_WindowsDevice::CreateDriver(HDC hDC,
1314                                                         FX_BOOL bCmykOutput) {
1315   int device_type = ::GetDeviceCaps(hDC, TECHNOLOGY);
1316   int obj_type = ::GetObjectType(hDC);
1317   int device_class;
1318   if (device_type == DT_RASPRINTER || device_type == DT_PLOTTER ||
1319       obj_type == OBJ_ENHMETADC) {
1320     device_class = FXDC_PRINTER;
1321   } else {
1322     device_class = FXDC_DISPLAY;
1323   }
1324   if (device_class == FXDC_PRINTER) {
1325     return new CGdiPrinterDriver(hDC);
1326   }
1327   return new CGdiDisplayDriver(hDC);
1328 }
CFX_WinBitmapDevice(int width,int height,FXDIB_Format format)1329 CFX_WinBitmapDevice::CFX_WinBitmapDevice(int width,
1330                                          int height,
1331                                          FXDIB_Format format) {
1332   BITMAPINFOHEADER bmih;
1333   FXSYS_memset(&bmih, 0, sizeof(BITMAPINFOHEADER));
1334   bmih.biSize = sizeof(BITMAPINFOHEADER);
1335   bmih.biBitCount = format & 0xff;
1336   bmih.biHeight = -height;
1337   bmih.biPlanes = 1;
1338   bmih.biWidth = width;
1339   uint8_t* pBuffer;
1340   m_hBitmap = CreateDIBSection(NULL, (BITMAPINFO*)&bmih, DIB_RGB_COLORS,
1341                                (void**)&pBuffer, NULL, 0);
1342   if (!m_hBitmap) {
1343     return;
1344   }
1345   CFX_DIBitmap* pBitmap = new CFX_DIBitmap;
1346   pBitmap->Create(width, height, format, pBuffer);
1347   SetBitmap(pBitmap);
1348   m_hDC = ::CreateCompatibleDC(NULL);
1349   m_hOldBitmap = (HBITMAP)SelectObject(m_hDC, m_hBitmap);
1350   IFX_RenderDeviceDriver* pDriver = new CGdiDisplayDriver(m_hDC);
1351   SetDeviceDriver(pDriver);
1352 }
~CFX_WinBitmapDevice()1353 CFX_WinBitmapDevice::~CFX_WinBitmapDevice() {
1354   if (m_hDC) {
1355     SelectObject(m_hDC, m_hOldBitmap);
1356     DeleteDC(m_hDC);
1357   }
1358   if (m_hBitmap) {
1359     DeleteObject(m_hBitmap);
1360   }
1361   delete GetBitmap();
1362 }
1363 
1364 #endif  // _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN64_
1365