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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 "../../../include/fxge/fx_ge.h"
8 #if _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN64_
9 #include "../../../include/fxge/fx_ge_win32.h"
10 #include <crtdbg.h>
11 #include "../agg/include/fxfx_agg_clip_liang_barsky.h"
12 #include "dwrite_int.h"
13 #include "win32_int.h"
14 #include "../ge/text_int.h"
15 #include "../dib/dib_int.h"
16 #include "../agg/include/fx_agg_driver.h"
17 #include "../../../include/fxge/fx_freetype.h"
18 #include "../../../include/fxcodec/fx_codec.h"
19 class CWin32FontInfo : public IFX_SystemFontInfo
20 {
21 public:
22     CWin32FontInfo();
23     ~CWin32FontInfo();
24     virtual void		Release();
25     virtual	FX_BOOL		EnumFontList(CFX_FontMapper* pMapper);
26     virtual void*		MapFont(int weight, FX_BOOL bItalic, int charset, int pitch_family, FX_LPCSTR face, FX_BOOL& bExact);
GetFont(FX_LPCSTR face)27     virtual void*		GetFont(FX_LPCSTR face)
28     {
29         return NULL;
30     }
31     virtual FX_DWORD	GetFontData(void* hFont, FX_DWORD table, FX_LPBYTE buffer, FX_DWORD size);
32     virtual void		DeleteFont(void* hFont);
33     virtual	FX_BOOL		GetFaceName(void* hFont, CFX_ByteString& name);
34     virtual FX_BOOL		GetFontCharset(void* hFont, int& charset);
35     FX_BOOL				IsOpenTypeFromDiv(const LOGFONTA *plf);
36     FX_BOOL				IsSupportFontFormDiv(const LOGFONTA* plf);
37     void				AddInstalledFont(const LOGFONTA *plf, FX_DWORD FontType);
38     void				GetGBPreference(CFX_ByteString& face, int weight, int picth_family);
39     void				GetJapanesePreference(CFX_ByteString& face, int weight, int picth_family);
40     CFX_ByteString		FindFont(const CFX_ByteString& name);
41     HDC					m_hDC;
42     CFX_FontMapper*		m_pMapper;
43     CFX_ByteString		m_LastFamily;
44     CFX_ByteString		m_KaiTi, m_FangSong;
45 };
CWin32FontInfo()46 CWin32FontInfo::CWin32FontInfo()
47 {
48     m_hDC = CreateCompatibleDC(NULL);
49 }
~CWin32FontInfo()50 CWin32FontInfo::~CWin32FontInfo()
51 {
52     m_pMapper = NULL;
53 }
Release()54 void CWin32FontInfo::Release()
55 {
56     DeleteDC(m_hDC);
57     delete this;
58 }
59 #define TT_MAKE_TAG(x1, x2, x3, x4) (((FX_DWORD)x1<<24)|((FX_DWORD)x2<<16)|((FX_DWORD)x3<<8)|(FX_DWORD)x4)
IsOpenTypeFromDiv(const LOGFONTA * plf)60 FX_BOOL CWin32FontInfo::IsOpenTypeFromDiv(const LOGFONTA *plf)
61 {
62     HFONT hFont = CreateFontIndirectA(plf);
63     FX_BOOL ret = FALSE;
64     FX_DWORD font_size  = GetFontData(hFont, 0, NULL, 0);
65     if (font_size != GDI_ERROR && font_size >= sizeof(FX_DWORD)) {
66         FX_DWORD lVersion = 0;
67         GetFontData(hFont, 0, (FX_BYTE*)(&lVersion), sizeof(FX_DWORD));
68         lVersion = (((FX_DWORD)(FX_BYTE)(lVersion)) << 24) | ((FX_DWORD)((FX_BYTE)(lVersion >> 8))) << 16 |
69                    ((FX_DWORD)((FX_BYTE)(lVersion >> 16))) << 8 | ((FX_BYTE)(lVersion >> 24));
70         if (lVersion == TT_MAKE_TAG('O', 'T', 'T', 'O') ||
71                 lVersion == 0x00010000 ||
72                 lVersion == TT_MAKE_TAG('t', 't', 'c', 'f') ||
73                 lVersion == TT_MAKE_TAG('t', 'r', 'u', 'e') ||
74                 lVersion == 0x00020000) {
75             ret = TRUE;
76         }
77     }
78     DeleteFont(hFont);
79     return ret;
80 }
IsSupportFontFormDiv(const LOGFONTA * plf)81 FX_BOOL CWin32FontInfo::IsSupportFontFormDiv(const LOGFONTA* plf)
82 {
83     HFONT hFont = CreateFontIndirectA(plf);
84     FX_BOOL ret = FALSE;
85     FX_DWORD font_size  = GetFontData(hFont, 0, NULL, 0);
86     if (font_size != GDI_ERROR && font_size >= sizeof(FX_DWORD)) {
87         FX_DWORD lVersion = 0;
88         GetFontData(hFont, 0, (FX_BYTE*)(&lVersion), sizeof(FX_DWORD));
89         lVersion = (((FX_DWORD)(FX_BYTE)(lVersion)) << 24) | ((FX_DWORD)((FX_BYTE)(lVersion >> 8))) << 16 |
90                    ((FX_DWORD)((FX_BYTE)(lVersion >> 16))) << 8 | ((FX_BYTE)(lVersion >> 24));
91         if (lVersion == TT_MAKE_TAG('O', 'T', 'T', 'O') ||
92                 lVersion == 0x00010000 ||
93                 lVersion == TT_MAKE_TAG('t', 't', 'c', 'f') ||
94                 lVersion == TT_MAKE_TAG('t', 'r', 'u', 'e') ||
95                 lVersion == 0x00020000) {
96             ret = TRUE;
97         } else if ((lVersion & 0xFFFF0000) == TT_MAKE_TAG(0x80, 0x01, 0x00, 0x00) ||
98                    (lVersion & 0xFFFF0000) == TT_MAKE_TAG('%', '!', 0, 0)) {
99             ret = TRUE;
100         }
101     }
102     DeleteFont(hFont);
103     return ret;
104 }
AddInstalledFont(const LOGFONTA * plf,FX_DWORD FontType)105 void CWin32FontInfo::AddInstalledFont(const LOGFONTA *plf, FX_DWORD FontType)
106 {
107     CFX_ByteString name(plf->lfFaceName, -1);
108     if (name[0] == '@') {
109         return;
110     }
111     if (name == m_LastFamily) {
112         m_pMapper->AddInstalledFont(name, plf->lfCharSet);
113         return;
114     }
115     if (!(FontType & TRUETYPE_FONTTYPE) && !(FontType & DEVICE_FONTTYPE)) {
116         return;
117     }
118     if (!(FontType & TRUETYPE_FONTTYPE)) {
119         if (!IsSupportFontFormDiv(plf)) {
120             return;
121         }
122     }
123     m_pMapper->AddInstalledFont(name, plf->lfCharSet);
124     m_LastFamily = name;
125 }
FontEnumProc(const LOGFONTA * plf,const TEXTMETRICA * lpntme,FX_DWORD FontType,LPARAM lParam)126 static int CALLBACK FontEnumProc(
127     const LOGFONTA *plf,
128     const TEXTMETRICA *lpntme,
129     FX_DWORD FontType,
130     LPARAM lParam
131 )
132 {
133     CWin32FontInfo* pFontInfo = (CWin32FontInfo*)lParam;
134     if (pFontInfo->m_pMapper->GetFontEnumerator()) {
135         pFontInfo->m_pMapper->GetFontEnumerator()->HitFont();
136     }
137     pFontInfo->AddInstalledFont(plf, FontType);
138     return 1;
139 }
EnumFontList(CFX_FontMapper * pMapper)140 FX_BOOL CWin32FontInfo::EnumFontList(CFX_FontMapper* pMapper)
141 {
142     m_pMapper = pMapper;
143     LOGFONTA lf;
144     FXSYS_memset32(&lf, 0, sizeof(LOGFONTA));
145     lf.lfCharSet = DEFAULT_CHARSET;
146     lf.lfFaceName[0] = 0;
147     lf.lfPitchAndFamily = 0;
148     EnumFontFamiliesExA(m_hDC, &lf, (FONTENUMPROCA)FontEnumProc, (FX_UINTPTR)this, 0);
149     if (pMapper->GetFontEnumerator()) {
150         pMapper->GetFontEnumerator()->Finish();
151     }
152     return TRUE;
153 }
154 static const struct {
155     FX_LPCSTR	m_pFaceName;
156     FX_LPCSTR	m_pVariantName;
157 }
158 VariantNames[] = {
159     {"DFKai-SB", "\x19\x6A\x77\x69\xD4\x9A"},
160 };
161 static const struct {
162     FX_LPCSTR	m_pName;
163     FX_LPCSTR	m_pWinName;
164     FX_BOOL		m_bBold;
165     FX_BOOL		m_bItalic;
166 }
167 Base14Substs[] = {
168     {"Courier", "Courier New", FALSE, FALSE},
169     {"Courier-Bold", "Courier New", TRUE, FALSE},
170     {"Courier-BoldOblique", "Courier New", TRUE, TRUE},
171     {"Courier-Oblique", "Courier New", FALSE, TRUE},
172     {"Helvetica", "Arial", FALSE, FALSE},
173     {"Helvetica-Bold", "Arial", TRUE, FALSE},
174     {"Helvetica-BoldOblique", "Arial", TRUE, TRUE},
175     {"Helvetica-Oblique", "Arial", FALSE, TRUE},
176     {"Times-Roman", "Times New Roman", FALSE, FALSE},
177     {"Times-Bold", "Times New Roman", TRUE, FALSE},
178     {"Times-BoldItalic", "Times New Roman", TRUE, TRUE},
179     {"Times-Italic", "Times New Roman", FALSE, TRUE},
180 };
FindFont(const CFX_ByteString & name)181 CFX_ByteString CWin32FontInfo::FindFont(const CFX_ByteString& name)
182 {
183     if (m_pMapper == NULL) {
184         return name;
185     }
186     int nFonts = m_pMapper->m_InstalledTTFonts.GetSize();
187     for (int i = 0; i < nFonts; i ++) {
188         CFX_ByteString thisname = m_pMapper->m_InstalledTTFonts[i];
189         if (thisname[0] == ' ') {
190             if (thisname.Mid(1, name.GetLength()) == name) {
191                 return m_pMapper->m_InstalledTTFonts[i + 1];
192             }
193         } else if (thisname.Left(name.GetLength()) == name) {
194             return m_pMapper->m_InstalledTTFonts[i];
195         }
196     }
197     return CFX_ByteString();
198 }
199 struct _FontNameMap {
200     FX_LPCSTR	m_pSubFontName;
201     FX_LPCSTR	m_pSrcFontName;
202 };
203 const _FontNameMap g_JpFontNameMap[] = {
204     {"MS Mincho", "Heiseimin-W3"},
205     {"MS Gothic", "Jun101-Light"},
206 };
207 const _FontNameMap g_GbFontNameMap[1];
208 extern "C" {
compareString(const void * key,const void * element)209     static int compareString(const void* key, const void* element)
210     {
211         return FXSYS_stricmp((FX_LPCSTR)key, ((_FontNameMap*)element)->m_pSrcFontName);
212     }
213 }
_GetSubFontName(CFX_ByteString & name,int lang)214 FX_BOOL _GetSubFontName(CFX_ByteString& name, int lang)
215 {
216     int size = sizeof g_JpFontNameMap;
217     void* pFontnameMap = (void*)g_JpFontNameMap;
218     if (lang == 1) {
219         size = sizeof g_GbFontNameMap;
220         pFontnameMap = (void*)g_GbFontNameMap;
221     } else if (lang == 2) {
222         size = 0;
223     }
224     _FontNameMap* found = (_FontNameMap*)FXSYS_bsearch((FX_LPCSTR)name, pFontnameMap,
225                           size / sizeof (_FontNameMap), sizeof (_FontNameMap), compareString);
226     if (found == NULL) {
227         return FALSE;
228     }
229     name = found->m_pSubFontName;
230     return TRUE;
231 }
GetGBPreference(CFX_ByteString & face,int weight,int picth_family)232 void CWin32FontInfo::GetGBPreference(CFX_ByteString& face, int weight, int picth_family)
233 {
234     if (face.Find("KaiTi") >= 0 || face.Find("\xbf\xac") >= 0) {
235         if (m_KaiTi.IsEmpty()) {
236             m_KaiTi = FindFont("KaiTi");
237             if (m_KaiTi.IsEmpty()) {
238                 m_KaiTi = "SimSun";
239             }
240         }
241         face = m_KaiTi;
242     } else if (face.Find("FangSong") >= 0 || face.Find("\xb7\xc2\xcb\xce") >= 0) {
243         if (m_FangSong.IsEmpty()) {
244             m_FangSong = FindFont("FangSong");
245             if (m_FangSong.IsEmpty()) {
246                 m_FangSong = "SimSun";
247             }
248         }
249         face = m_FangSong;
250     } else if (face.Find("SimSun") >= 0 || face.Find("\xcb\xce") >= 0) {
251         face = "SimSun";
252     } else if (face.Find("SimHei") >= 0 || face.Find("\xba\xda") >= 0) {
253         face = "SimHei";
254     } else if (!(picth_family & FF_ROMAN) && weight > 550) {
255         face = "SimHei";
256     } else {
257         face = "SimSun";
258     }
259 }
GetJapanesePreference(CFX_ByteString & face,int weight,int picth_family)260 void CWin32FontInfo::GetJapanesePreference(CFX_ByteString& face, int weight, int picth_family)
261 {
262     if (face.Find("Gothic") >= 0 || face.Find("\x83\x53\x83\x56\x83\x62\x83\x4e") >= 0) {
263         if (face.Find("PGothic") >= 0 || face.Find("\x82\x6f\x83\x53\x83\x56\x83\x62\x83\x4e") >= 0) {
264             face = "MS PGothic";
265         } else if (face.Find("UI Gothic") >= 0) {
266             face = "MS UI Gothic";
267         } else {
268             if (face.Find("HGSGothicM") >= 0 || face.Find("HGMaruGothicMPRO") >= 0) {
269                 face = "MS PGothic";
270             } else {
271                 face = "MS Gothic";
272             }
273         }
274         return;
275     } else if (face.Find("Mincho") >= 0 || face.Find("\x96\xbe\x92\xa9") >= 0) {
276         if (face.Find("PMincho") >= 0 || face.Find("\x82\x6f\x96\xbe\x92\xa9") >= 0) {
277             face = "MS PMincho";
278         } else {
279             face = "MS Mincho";
280         }
281         return;
282     }
283     if (_GetSubFontName(face, 0)) {
284         return;
285     }
286     if (!(picth_family & FF_ROMAN) && weight > 400) {
287         face = "MS PGothic";
288     } else {
289         face = "MS PMincho";
290     }
291 }
MapFont(int weight,FX_BOOL bItalic,int charset,int pitch_family,FX_LPCSTR cstr_face,FX_BOOL & bExact)292 void* CWin32FontInfo::MapFont(int weight, FX_BOOL bItalic, int charset, int pitch_family, FX_LPCSTR cstr_face, FX_BOOL& bExact)
293 {
294     CFX_ByteString face = cstr_face;
295     int iBaseFont;
296     for (iBaseFont = 0; iBaseFont < 12; iBaseFont ++)
297         if (face == CFX_ByteStringC(Base14Substs[iBaseFont].m_pName)) {
298             face = Base14Substs[iBaseFont].m_pWinName;
299             weight = Base14Substs[iBaseFont].m_bBold ? FW_BOLD : FW_NORMAL;
300             bItalic = Base14Substs[iBaseFont].m_bItalic;
301             bExact = TRUE;
302             break;
303         }
304     if (charset == ANSI_CHARSET || charset == SYMBOL_CHARSET) {
305         charset = DEFAULT_CHARSET;
306     }
307     int subst_pitch_family = pitch_family;
308     switch (charset) {
309         case SHIFTJIS_CHARSET:
310             subst_pitch_family = FF_ROMAN;
311             break;
312         case CHINESEBIG5_CHARSET:
313         case HANGUL_CHARSET:
314         case GB2312_CHARSET:
315             subst_pitch_family = 0;
316             break;
317     }
318     HFONT hFont = ::CreateFontA(-10, 0, 0, 0, weight, bItalic, 0, 0, charset, OUT_TT_ONLY_PRECIS,
319                                 0, 0, subst_pitch_family, face);
320     char facebuf[100];
321     HFONT hOldFont = (HFONT)::SelectObject(m_hDC, hFont);
322     int ret = ::GetTextFaceA(m_hDC, 100, facebuf);
323     ::SelectObject(m_hDC, hOldFont);
324     if (face.EqualNoCase(facebuf)) {
325         return hFont;
326     }
327     int iCount = sizeof(VariantNames) / sizeof(VariantNames[0]);
328     for (int i = 0; i < iCount; ++i) {
329         if (face == VariantNames[i].m_pFaceName) {
330             CFX_WideString wsFace = CFX_WideString::FromLocal(facebuf);
331             CFX_WideString wsName = CFX_WideString::FromUTF16LE((const unsigned short*)VariantNames[i].m_pVariantName);
332             if (wsFace == wsName) {
333                 return hFont;
334             }
335         }
336     }
337     ::DeleteObject(hFont);
338     if (charset == DEFAULT_CHARSET) {
339         return NULL;
340     }
341     switch (charset) {
342         case SHIFTJIS_CHARSET:
343             GetJapanesePreference(face, weight, pitch_family);
344             break;
345         case GB2312_CHARSET:
346             GetGBPreference(face, weight, pitch_family);
347             break;
348         case HANGUL_CHARSET:
349             face = "Gulim";
350             break;
351         case CHINESEBIG5_CHARSET:
352             if (face.Find("MSung") >= 0) {
353                 face = "MingLiU";
354             } else {
355                 face = "PMingLiU";
356             }
357             break;
358     }
359     hFont = ::CreateFontA(-10, 0, 0, 0, weight, bItalic, 0, 0, charset, OUT_TT_ONLY_PRECIS,
360                           0, 0, subst_pitch_family, face);
361     return hFont;
362 }
DeleteFont(void * hFont)363 void CWin32FontInfo::DeleteFont(void* hFont)
364 {
365     ::DeleteObject(hFont);
366 }
GetFontData(void * hFont,FX_DWORD table,FX_LPBYTE buffer,FX_DWORD size)367 FX_DWORD CWin32FontInfo::GetFontData(void* hFont, FX_DWORD table, FX_LPBYTE buffer, FX_DWORD size)
368 {
369     HFONT hOldFont = (HFONT)::SelectObject(m_hDC, (HFONT)hFont);
370     table = FXDWORD_FROM_MSBFIRST(table);
371     size = ::GetFontData(m_hDC, table, 0, buffer, size);
372     ::SelectObject(m_hDC, hOldFont);
373     if (size == GDI_ERROR) {
374         return 0;
375     }
376     return size;
377 }
GetFaceName(void * hFont,CFX_ByteString & name)378 FX_BOOL CWin32FontInfo::GetFaceName(void* hFont, CFX_ByteString& name)
379 {
380     char facebuf[100];
381     HFONT hOldFont = (HFONT)::SelectObject(m_hDC, (HFONT)hFont);
382     int ret = ::GetTextFaceA(m_hDC, 100, facebuf);
383     ::SelectObject(m_hDC, hOldFont);
384     if (ret == 0) {
385         return FALSE;
386     }
387     name = facebuf;
388     return TRUE;
389 }
GetFontCharset(void * hFont,int & charset)390 FX_BOOL CWin32FontInfo::GetFontCharset(void* hFont, int& charset)
391 {
392     TEXTMETRIC tm;
393     HFONT hOldFont = (HFONT)::SelectObject(m_hDC, (HFONT)hFont);
394     ::GetTextMetrics(m_hDC, &tm);
395     ::SelectObject(m_hDC, hOldFont);
396     charset = tm.tmCharSet;
397     return TRUE;
398 }
399 #ifndef _FPDFAPI_MINI_
CreateDefault()400 IFX_SystemFontInfo* IFX_SystemFontInfo::CreateDefault()
401 {
402     return FX_NEW CWin32FontInfo;
403 }
404 #endif
InitPlatform()405 void CFX_GEModule::InitPlatform()
406 {
407     CWin32Platform* pPlatformData = FX_NEW CWin32Platform;
408     if (!pPlatformData) {
409         return;
410     }
411     OSVERSIONINFO ver;
412     ver.dwOSVersionInfoSize = sizeof(ver);
413     GetVersionEx(&ver);
414     pPlatformData->m_bHalfTone = ver.dwMajorVersion >= 5;
415     pPlatformData->m_GdiplusExt.Load();
416     m_pPlatformData = pPlatformData;
417     m_pFontMgr->SetSystemFontInfo(IFX_SystemFontInfo::CreateDefault());
418 }
DestroyPlatform()419 void CFX_GEModule::DestroyPlatform()
420 {
421     if (m_pPlatformData) {
422         delete (CWin32Platform*)m_pPlatformData;
423     }
424     m_pPlatformData = NULL;
425 }
CGdiDeviceDriver(HDC hDC,int device_class)426 CGdiDeviceDriver::CGdiDeviceDriver(HDC hDC, int device_class)
427 {
428     m_hDC = hDC;
429     m_DeviceClass = device_class;
430     CWin32Platform* pPlatform = (CWin32Platform*)CFX_GEModule::Get()->GetPlatformData();
431     SetStretchBltMode(hDC, pPlatform->m_bHalfTone ? HALFTONE : COLORONCOLOR);
432     if (GetObjectType(m_hDC) == OBJ_MEMDC) {
433         HBITMAP hBitmap = CreateBitmap(1, 1, 1, 1, NULL);
434         hBitmap = (HBITMAP)SelectObject(m_hDC, hBitmap);
435         BITMAP bitmap;
436         GetObject(hBitmap, sizeof bitmap, &bitmap);
437         m_nBitsPerPixel = bitmap.bmBitsPixel;
438         m_Width = bitmap.bmWidth;
439         m_Height = abs(bitmap.bmHeight);
440         hBitmap = (HBITMAP)SelectObject(m_hDC, hBitmap);
441         DeleteObject(hBitmap);
442     } else {
443         m_nBitsPerPixel = ::GetDeviceCaps(m_hDC, BITSPIXEL);
444         m_Width = ::GetDeviceCaps(m_hDC, HORZRES);
445         m_Height = ::GetDeviceCaps(m_hDC, VERTRES);
446     }
447     if (m_DeviceClass != FXDC_DISPLAY) {
448         m_RenderCaps = FXRC_BIT_MASK;
449     } else {
450         m_RenderCaps = FXRC_GET_BITS | FXRC_BIT_MASK;
451     }
452 }
GetDeviceCaps(int caps_id)453 int CGdiDeviceDriver::GetDeviceCaps(int caps_id)
454 {
455     switch (caps_id) {
456         case FXDC_DEVICE_CLASS:
457             return m_DeviceClass;
458         case FXDC_PIXEL_WIDTH:
459             return m_Width;
460         case FXDC_PIXEL_HEIGHT:
461             return m_Height;
462         case FXDC_BITS_PIXEL:
463             return m_nBitsPerPixel;
464         case FXDC_RENDER_CAPS:
465             return m_RenderCaps;
466     }
467     return 0;
468 }
GetClipRgn()469 FX_LPVOID CGdiDeviceDriver::GetClipRgn()
470 {
471     HRGN hClipRgn = CreateRectRgn(0, 0, 1, 1);
472     if (::GetClipRgn(m_hDC, hClipRgn) == 0) {
473         DeleteObject(hClipRgn);
474         hClipRgn = NULL;
475     }
476     return (FX_LPVOID)hClipRgn;
477 }
GDI_SetDIBits(const CFX_DIBitmap * pBitmap1,const FX_RECT * pSrcRect,int left,int top,void * pIccTransform)478 FX_BOOL CGdiDeviceDriver::GDI_SetDIBits(const CFX_DIBitmap* pBitmap1, const FX_RECT* pSrcRect, int left, int top, void* pIccTransform)
479 {
480     if (m_DeviceClass == FXDC_PRINTER) {
481         CFX_DIBitmap* pBitmap = pBitmap1->FlipImage(FALSE, TRUE);
482         if (pBitmap == NULL) {
483             return FALSE;
484         }
485         if ((pBitmap->IsCmykImage() || pIccTransform) &&
486                 !pBitmap->ConvertFormat(FXDIB_Rgb, pIccTransform)) {
487             return FALSE;
488         }
489         int width = pSrcRect->Width(), height = pSrcRect->Height();
490         int pitch = pBitmap->GetPitch();
491         LPBYTE pBuffer = pBitmap->GetBuffer();
492         CFX_ByteString info = CFX_WindowsDIB::GetBitmapInfo(pBitmap);
493         ((BITMAPINFOHEADER*)(FX_LPCSTR)info)->biHeight *= -1;
494         FX_RECT dst_rect(0, 0, width, height);
495         dst_rect.Intersect(0, 0, pBitmap->GetWidth(), pBitmap->GetHeight());
496         int dst_width = dst_rect.Width();
497         int dst_height = dst_rect.Height();
498         ::StretchDIBits(m_hDC, left, top, dst_width, dst_height,
499                         0, 0, dst_width, dst_height, pBuffer, (BITMAPINFO*)(FX_LPCSTR)info, DIB_RGB_COLORS, SRCCOPY);
500         delete pBitmap;
501     } else {
502         CFX_DIBitmap* pBitmap = (CFX_DIBitmap*)pBitmap1;
503         if ((pBitmap->IsCmykImage() || pIccTransform) &&
504                 (pBitmap = pBitmap->CloneConvert(FXDIB_Rgb, NULL, pIccTransform)) == NULL) {
505             return FALSE;
506         }
507         int width = pSrcRect->Width(), height = pSrcRect->Height();
508         int pitch = pBitmap->GetPitch();
509         LPBYTE pBuffer = pBitmap->GetBuffer();
510         CFX_ByteString info = CFX_WindowsDIB::GetBitmapInfo(pBitmap);
511         ::SetDIBitsToDevice(m_hDC, left, top, width, height, pSrcRect->left, pBitmap->GetHeight() - pSrcRect->bottom,
512                             0, pBitmap->GetHeight(), pBuffer, (BITMAPINFO*)(FX_LPCSTR)info, DIB_RGB_COLORS);
513         if (pBitmap != pBitmap1) {
514             delete pBitmap;
515         }
516     }
517     return TRUE;
518 }
GDI_StretchDIBits(const CFX_DIBitmap * pBitmap1,int dest_left,int dest_top,int dest_width,int dest_height,FX_DWORD flags,void * pIccTransform)519 FX_BOOL CGdiDeviceDriver::GDI_StretchDIBits(const CFX_DIBitmap* pBitmap1, int dest_left, int dest_top,
520         int dest_width, int dest_height, FX_DWORD flags, void* pIccTransform)
521 {
522     CFX_DIBitmap* pBitmap = (CFX_DIBitmap*)pBitmap1;
523     if (pBitmap == NULL) {
524         return FALSE;
525     }
526     if ((pBitmap->IsCmykImage() || pIccTransform) &&
527             !pBitmap->ConvertFormat(FXDIB_Rgb, pIccTransform)) {
528         return FALSE;
529     }
530     CFX_ByteString info = CFX_WindowsDIB::GetBitmapInfo(pBitmap);
531     if (abs(dest_width) * abs(dest_height) < pBitmap1->GetWidth() * pBitmap1->GetHeight() * 4 ||
532             (flags & FXDIB_INTERPOL) || (flags & FXDIB_BICUBIC_INTERPOL)) {
533         SetStretchBltMode(m_hDC, HALFTONE);
534     } else {
535         SetStretchBltMode(m_hDC, COLORONCOLOR);
536     }
537     CFX_DIBitmap* pToStrechBitmap = pBitmap;
538     bool del = false;
539     if (m_DeviceClass == FXDC_PRINTER && (pBitmap->GetWidth() * pBitmap->GetHeight() > abs(dest_width) * abs(dest_height))) {
540         pToStrechBitmap = pBitmap->StretchTo(dest_width, dest_height);
541         del = true;
542     }
543     CFX_ByteString toStrechBitmapInfo = CFX_WindowsDIB::GetBitmapInfo(pToStrechBitmap);
544     ::StretchDIBits(m_hDC, dest_left, dest_top, dest_width, dest_height,
545                     0, 0, pToStrechBitmap->GetWidth(), pToStrechBitmap->GetHeight(), pToStrechBitmap->GetBuffer(),
546                     (BITMAPINFO*)(FX_LPCSTR)toStrechBitmapInfo, DIB_RGB_COLORS, SRCCOPY);
547     if (del) {
548         delete pToStrechBitmap;
549     }
550     return TRUE;
551 }
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)552 FX_BOOL CGdiDeviceDriver::GDI_StretchBitMask(const CFX_DIBitmap* pBitmap1, int dest_left, int dest_top,
553         int dest_width, int dest_height, FX_DWORD bitmap_color, FX_DWORD flags,
554         int alpha_flag, void* pIccTransform)
555 {
556     CFX_DIBitmap* pBitmap = (CFX_DIBitmap*)pBitmap1;
557     if (pBitmap == NULL) {
558         return FALSE;
559     }
560     _Color2Argb(bitmap_color, bitmap_color, alpha_flag | (1 << 24), pIccTransform);
561     int width = pBitmap->GetWidth(), height = pBitmap->GetHeight();
562     struct {
563         BITMAPINFOHEADER	bmiHeader;
564         FX_DWORD			bmiColors[2];
565     } bmi;
566     FXSYS_memset32(&bmi.bmiHeader, 0, sizeof (BITMAPINFOHEADER));
567     bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
568     bmi.bmiHeader.biBitCount = 1;
569     bmi.bmiHeader.biCompression = BI_RGB;
570     bmi.bmiHeader.biHeight = -height;
571     bmi.bmiHeader.biPlanes = 1;
572     bmi.bmiHeader.biWidth = width;
573     if (m_nBitsPerPixel != 1) {
574         SetStretchBltMode(m_hDC, HALFTONE);
575     }
576     bmi.bmiColors[0] = 0xffffff;
577     bmi.bmiColors[1] = 0;
578     ::StretchDIBits(m_hDC, dest_left, dest_top, dest_width, dest_height,
579                     0, 0, width, height, pBitmap->GetBuffer(), (BITMAPINFO*)&bmi, DIB_RGB_COLORS, SRCAND);
580     return TRUE;
581 }
GetClipBox(FX_RECT * pRect)582 BOOL CGdiDeviceDriver::GetClipBox(FX_RECT* pRect)
583 {
584     return ::GetClipBox(m_hDC, (RECT*)pRect);
585 }
SetClipRgn(FX_LPVOID hRgn)586 FX_BOOL CGdiDeviceDriver::SetClipRgn(FX_LPVOID hRgn)
587 {
588     ::SelectClipRgn(m_hDC, (HRGN)hRgn);
589     return TRUE;
590 }
_CreatePen(const CFX_GraphStateData * pGraphState,const CFX_AffineMatrix * pMatrix,FX_DWORD argb)591 static HPEN _CreatePen(const CFX_GraphStateData* pGraphState, const CFX_AffineMatrix* pMatrix, FX_DWORD argb)
592 {
593     FX_FLOAT width;
594     FX_FLOAT scale = 1.f;
595     if (pMatrix)
596         scale = FXSYS_fabs(pMatrix->a) > FXSYS_fabs(pMatrix->b) ?
597                 FXSYS_fabs(pMatrix->a) : FXSYS_fabs(pMatrix->b);
598     if (pGraphState) {
599         width = scale * pGraphState->m_LineWidth;
600     } else {
601         width = 1.0f;
602     }
603     FX_DWORD PenStyle = PS_GEOMETRIC;
604     if (width < 1) {
605         width = 1;
606     }
607     if(pGraphState->m_DashCount) {
608         PenStyle |= PS_USERSTYLE;
609     } else {
610         PenStyle |= PS_SOLID;
611     }
612     switch(pGraphState->m_LineCap) {
613         case 0:
614             PenStyle |= PS_ENDCAP_FLAT;
615             break;
616         case 1:
617             PenStyle |= PS_ENDCAP_ROUND;
618             break;
619         case 2:
620             PenStyle |= PS_ENDCAP_SQUARE;
621             break;
622     }
623     switch(pGraphState->m_LineJoin) {
624         case 0:
625             PenStyle |= PS_JOIN_MITER;
626             break;
627         case 1:
628             PenStyle |= PS_JOIN_ROUND;
629             break;
630         case 2:
631             PenStyle |= PS_JOIN_BEVEL;
632             break;
633     }
634     int a;
635     FX_COLORREF rgb;
636     ArgbDecode(argb, a, rgb);
637     LOGBRUSH lb;
638     lb.lbColor = rgb;
639     lb.lbStyle = BS_SOLID;
640     lb.lbHatch = 0;
641     FX_DWORD* pDash = NULL;
642     if (pGraphState->m_DashCount) {
643         pDash = FX_Alloc(FX_DWORD, pGraphState->m_DashCount);
644         if (!pDash) {
645             return NULL;
646         }
647         for (int i = 0; i < pGraphState->m_DashCount; i ++) {
648             pDash[i] = FXSYS_round(pMatrix ? pMatrix->TransformDistance(pGraphState->m_DashArray[i]) : pGraphState->m_DashArray[i]);
649             if (pDash[i] < 1) {
650                 pDash[i] = 1;
651             }
652         }
653     }
654     HPEN hPen = ExtCreatePen(PenStyle, (DWORD)FXSYS_ceil(width), &lb, pGraphState->m_DashCount, (const DWORD*)pDash);
655     if (pDash) {
656         FX_Free(pDash);
657     }
658     return hPen;
659 }
_CreateBrush(FX_DWORD argb)660 static HBRUSH _CreateBrush(FX_DWORD argb)
661 {
662     int a;
663     FX_COLORREF rgb;
664     ArgbDecode(argb, a, rgb);
665     return CreateSolidBrush(rgb);
666 }
_SetPathToDC(HDC hDC,const CFX_PathData * pPathData,const CFX_AffineMatrix * pMatrix)667 static void _SetPathToDC(HDC hDC, const CFX_PathData* pPathData, const CFX_AffineMatrix* pMatrix)
668 {
669     BeginPath(hDC);
670     int nPoints = pPathData->GetPointCount();
671     FX_PATHPOINT* pPoints = pPathData->GetPoints();
672     for(int i = 0; i < nPoints; i++) {
673         FX_FLOAT posx = pPoints[i].m_PointX, posy = pPoints[i].m_PointY;
674         if (pMatrix) {
675             pMatrix->Transform(posx, posy);
676         }
677         int screen_x = FXSYS_round(posx), screen_y = FXSYS_round(posy);
678         int point_type = pPoints[i].m_Flag & FXPT_TYPE;
679         if(point_type == PT_MOVETO) {
680             MoveToEx(hDC, screen_x, screen_y, NULL);
681         } else if(point_type == PT_LINETO) {
682             if (pPoints[i].m_PointY == pPoints[i - 1].m_PointY && pPoints[i].m_PointX == pPoints[i - 1].m_PointX) {
683                 screen_x ++;
684             }
685             LineTo(hDC, screen_x, screen_y);
686         } else if(point_type == PT_BEZIERTO) {
687             POINT lppt[3];
688             lppt[0].x = screen_x;
689             lppt[0].y = screen_y;
690             posx = pPoints[i + 1].m_PointX;
691             posy = pPoints[i + 1].m_PointY;
692             if (pMatrix) {
693                 pMatrix->Transform(posx, posy);
694             }
695             lppt[1].x = FXSYS_round(posx);
696             lppt[1].y = FXSYS_round(posy);
697             posx = pPoints[i + 2].m_PointX;
698             posy = pPoints[i + 2].m_PointY;
699             if (pMatrix) {
700                 pMatrix->Transform(posx, posy);
701             }
702             lppt[2].x = FXSYS_round(posx);
703             lppt[2].y = FXSYS_round(posy);
704             PolyBezierTo(hDC, lppt, 3);
705             i += 2;
706         }
707         if (pPoints[i].m_Flag & PT_CLOSEFIGURE) {
708             CloseFigure(hDC);
709         }
710     }
711     EndPath(hDC);
712 }
DrawLine(FX_FLOAT x1,FX_FLOAT y1,FX_FLOAT x2,FX_FLOAT y2)713 void CGdiDeviceDriver::DrawLine(FX_FLOAT x1, FX_FLOAT y1, FX_FLOAT x2, FX_FLOAT y2)
714 {
715     int flag1 = (x1 < 0) | ((x1 > m_Width) << 1) | ((y1 < 0) << 2) | ((y1 > m_Height) << 3);
716     int flag2 = (x2 < 0) | ((x2 > m_Width) << 1) | ((y2 < 0) << 2) | ((y2 > m_Height) << 3);
717     if (flag1 & flag2) {
718         return;
719     }
720     if (flag1 || flag2) {
721         agg::rect_base<FX_FLOAT> rect(0.0f, 0.0f, (FX_FLOAT)(m_Width), (FX_FLOAT)(m_Height));
722         FX_FLOAT x[2], y[2];
723         int np = agg::clip_liang_barsky<FX_FLOAT>(x1, y1, x2, y2, rect, x, y);
724         if (np == 0) {
725             return;
726         }
727         if (np == 1) {
728             x2 = x[0];
729             y2 = y[0];
730         } else {
731             x1 = x[0];
732             y1 = y[0];
733             x2 = x[np - 1];
734             y2 = y[np - 1];
735         }
736     }
737     MoveToEx(m_hDC, FXSYS_round(x1), FXSYS_round(y1), NULL);
738     LineTo(m_hDC, FXSYS_round(x2), FXSYS_round(y2));
739 }
_MatrixNoScaled(const CFX_AffineMatrix * pMatrix)740 static FX_BOOL _MatrixNoScaled(const CFX_AffineMatrix* pMatrix)
741 {
742     return pMatrix->GetA() == 1.0f && pMatrix->GetB() == 0 && pMatrix->GetC() == 0 && pMatrix->GetD() == 1.0f;
743 }
DrawPath(const CFX_PathData * pPathData,const CFX_AffineMatrix * pMatrix,const CFX_GraphStateData * pGraphState,FX_DWORD fill_color,FX_DWORD stroke_color,int fill_mode,int alpha_flag,void * pIccTransform,int blend_type)744 FX_BOOL CGdiDeviceDriver::DrawPath(const CFX_PathData* pPathData,
745                                    const CFX_AffineMatrix* pMatrix,
746                                    const CFX_GraphStateData* pGraphState,
747                                    FX_DWORD fill_color,
748                                    FX_DWORD stroke_color,
749                                    int fill_mode,
750                                    int alpha_flag,
751                                    void* pIccTransform,
752                                    int	blend_type
753                                   )
754 {
755     if (blend_type != FXDIB_BLEND_NORMAL) {
756         return FALSE;
757     }
758     _Color2Argb(fill_color, fill_color, alpha_flag | (1 << 24), pIccTransform);
759     _Color2Argb(stroke_color, stroke_color, alpha_flag, pIccTransform);
760     CWin32Platform* pPlatform = (CWin32Platform*)CFX_GEModule::Get()->GetPlatformData();
761     if ((pGraphState == NULL || stroke_color == 0) && !pPlatform->m_GdiplusExt.IsAvailable()) {
762         CFX_FloatRect bbox_f = pPathData->GetBoundingBox();
763         if (pMatrix) {
764             bbox_f.Transform(pMatrix);
765         }
766         FX_RECT bbox = bbox_f.GetInnerRect();
767         if (bbox.Width() <= 0) {
768             return DrawCosmeticLine((FX_FLOAT)(bbox.left), (FX_FLOAT)(bbox.top), (FX_FLOAT)(bbox.left), (FX_FLOAT)(bbox.bottom + 1), fill_color,
769                                     alpha_flag, pIccTransform, FXDIB_BLEND_NORMAL);
770         } else if (bbox.Height() <= 0) {
771             return DrawCosmeticLine((FX_FLOAT)(bbox.left), (FX_FLOAT)(bbox.top), (FX_FLOAT)(bbox.right + 1), (FX_FLOAT)(bbox.top), fill_color,
772                                     alpha_flag, pIccTransform, FXDIB_BLEND_NORMAL);
773         }
774     }
775     int fill_alpha = FXARGB_A(fill_color);
776     int stroke_alpha = FXARGB_A(stroke_color);
777     FX_BOOL bDrawAlpha = (fill_alpha > 0 && fill_alpha < 255) || (stroke_alpha > 0 && stroke_alpha < 255 && pGraphState);
778     if (!pPlatform->m_GdiplusExt.IsAvailable() && bDrawAlpha) {
779         return FALSE;
780     }
781     if (pPlatform->m_GdiplusExt.IsAvailable()) {
782         if (bDrawAlpha || ((m_DeviceClass != FXDC_PRINTER && !(fill_mode & FXFILL_FULLCOVER)) || pGraphState && pGraphState->m_DashCount)) {
783             if ( !((NULL == pMatrix || _MatrixNoScaled(pMatrix)) &&
784                     pGraphState && pGraphState->m_LineWidth == 1.f &&
785                     (pPathData->GetPointCount() == 5 || pPathData->GetPointCount() == 4) &&
786                     pPathData->IsRect()) ) {
787                 if (pPlatform->m_GdiplusExt.DrawPath(m_hDC, pPathData, pMatrix, pGraphState, fill_color, stroke_color, fill_mode)) {
788                     return TRUE;
789                 }
790             }
791         }
792     }
793     int old_fill_mode = fill_mode;
794     fill_mode &= 3;
795     HPEN hPen = NULL;
796     HBRUSH hBrush = NULL;
797     if (pGraphState && stroke_alpha) {
798         SetMiterLimit(m_hDC, pGraphState->m_MiterLimit, NULL);
799         hPen = _CreatePen(pGraphState, pMatrix, stroke_color);
800         hPen = (HPEN)SelectObject(m_hDC, hPen);
801     }
802     if (fill_mode && fill_alpha) {
803         SetPolyFillMode(m_hDC, fill_mode);
804         hBrush = _CreateBrush(fill_color);
805         hBrush = (HBRUSH)SelectObject(m_hDC, hBrush);
806     }
807     if (pPathData->GetPointCount() == 2 && pGraphState && pGraphState->m_DashCount) {
808         FX_FLOAT x1 = pPathData->GetPointX(0), y1 = pPathData->GetPointY(0);
809         if (pMatrix) {
810             pMatrix->Transform(x1, y1);
811         }
812         FX_FLOAT x2 = pPathData->GetPointX(1), y2 = pPathData->GetPointY(1);
813         if (pMatrix) {
814             pMatrix->Transform(x2, y2);
815         }
816         DrawLine(x1, y1, x2, y2);
817     } else {
818         _SetPathToDC(m_hDC, pPathData, pMatrix);
819         if (pGraphState && stroke_alpha) {
820             if (fill_mode && fill_alpha) {
821                 if (old_fill_mode & FX_FILL_TEXT_MODE) {
822                     StrokeAndFillPath(m_hDC);
823                 } else {
824                     FillPath(m_hDC);
825                     _SetPathToDC(m_hDC, pPathData, pMatrix);
826                     StrokePath(m_hDC);
827                 }
828             } else {
829                 StrokePath(m_hDC);
830             }
831         } else if (fill_mode && fill_alpha) {
832             FillPath(m_hDC);
833         }
834     }
835     if (hPen) {
836         hPen = (HPEN)SelectObject(m_hDC, hPen);
837         DeleteObject(hPen);
838     }
839     if (hBrush) {
840         hBrush = (HBRUSH)SelectObject(m_hDC, hBrush);
841         DeleteObject(hBrush);
842     }
843     return TRUE;
844 }
FillRect(const FX_RECT * pRect,FX_DWORD fill_color,int alpha_flag,void * pIccTransform,int blend_type)845 FX_BOOL CGdiDeviceDriver::FillRect(const FX_RECT* pRect, FX_DWORD fill_color, int alpha_flag, void* pIccTransform, int blend_type)
846 {
847     if (blend_type != FXDIB_BLEND_NORMAL) {
848         return FALSE;
849     }
850     _Color2Argb(fill_color, fill_color, alpha_flag | (1 << 24), pIccTransform);
851     int alpha;
852     FX_COLORREF rgb;
853     ArgbDecode(fill_color, alpha, rgb);
854     if (alpha == 0) {
855         return TRUE;
856     }
857     if (alpha < 255) {
858         return FALSE;
859     }
860     HBRUSH hBrush = CreateSolidBrush(rgb);
861     ::FillRect(m_hDC, (RECT*)pRect, hBrush);
862     DeleteObject(hBrush);
863     return TRUE;
864 }
SetClip_PathFill(const CFX_PathData * pPathData,const CFX_AffineMatrix * pMatrix,int fill_mode)865 FX_BOOL CGdiDeviceDriver::SetClip_PathFill(const CFX_PathData* pPathData,
866         const CFX_AffineMatrix* pMatrix,
867         int fill_mode
868                                           )
869 {
870     if (pPathData->GetPointCount() == 5) {
871         CFX_FloatRect rectf;
872         if (pPathData->IsRect(pMatrix, &rectf)) {
873             FX_RECT rect = rectf.GetOutterRect();
874             IntersectClipRect(m_hDC, rect.left, rect.top, rect.right, rect.bottom);
875             return TRUE;
876         }
877     }
878     _SetPathToDC(m_hDC, pPathData, pMatrix);
879     SetPolyFillMode(m_hDC, fill_mode & 3);
880     SelectClipPath(m_hDC, RGN_AND);
881     return TRUE;
882 }
SetClip_PathStroke(const CFX_PathData * pPathData,const CFX_AffineMatrix * pMatrix,const CFX_GraphStateData * pGraphState)883 FX_BOOL CGdiDeviceDriver::SetClip_PathStroke(const CFX_PathData* pPathData,
884         const CFX_AffineMatrix* pMatrix,
885         const CFX_GraphStateData* pGraphState
886                                             )
887 {
888     HPEN hPen = _CreatePen(pGraphState, pMatrix, 0xff000000);
889     hPen = (HPEN)SelectObject(m_hDC, hPen);
890     _SetPathToDC(m_hDC, pPathData, pMatrix);
891     WidenPath(m_hDC);
892     SetPolyFillMode(m_hDC, WINDING);
893     FX_BOOL ret = SelectClipPath(m_hDC, RGN_AND);
894     hPen = (HPEN)SelectObject(m_hDC, hPen);
895     DeleteObject(hPen);
896     return ret;
897 }
DrawCosmeticLine(FX_FLOAT x1,FX_FLOAT y1,FX_FLOAT x2,FX_FLOAT y2,FX_DWORD color,int alpha_flag,void * pIccTransform,int blend_type)898 FX_BOOL CGdiDeviceDriver::DrawCosmeticLine(FX_FLOAT x1, FX_FLOAT y1, FX_FLOAT x2, FX_FLOAT y2, FX_DWORD color,
899         int alpha_flag, void* pIccTransform, int	blend_type)
900 {
901     if (blend_type != FXDIB_BLEND_NORMAL) {
902         return FALSE;
903     }
904     _Color2Argb(color, color, alpha_flag | (1 << 24), pIccTransform);
905     int a;
906     FX_COLORREF rgb;
907     ArgbDecode(color, a, rgb);
908     if (a == 0) {
909         return TRUE;
910     }
911     HPEN hPen = CreatePen(PS_SOLID, 1, rgb);
912     hPen = (HPEN)SelectObject(m_hDC, hPen);
913     MoveToEx(m_hDC, FXSYS_round(x1), FXSYS_round(y1), NULL);
914     LineTo(m_hDC, FXSYS_round(x2), FXSYS_round(y2));
915     hPen = (HPEN)SelectObject(m_hDC, hPen);
916     DeleteObject(hPen);
917     return TRUE;
918 }
DeleteDeviceRgn(FX_LPVOID pRgn)919 FX_BOOL CGdiDeviceDriver::DeleteDeviceRgn(FX_LPVOID pRgn)
920 {
921     DeleteObject((HGDIOBJ)pRgn);
922     return TRUE;
923 }
CGdiDisplayDriver(HDC hDC)924 CGdiDisplayDriver::CGdiDisplayDriver(HDC hDC) : CGdiDeviceDriver(hDC, FXDC_DISPLAY)
925 {
926     CWin32Platform* pPlatform = (CWin32Platform*)CFX_GEModule::Get()->GetPlatformData();
927     if (pPlatform->m_GdiplusExt.IsAvailable()) {
928         m_RenderCaps |= FXRC_ALPHA_PATH | FXRC_ALPHA_IMAGE;
929     }
930 }
GetDIBits(CFX_DIBitmap * pBitmap,int left,int top,void * pIccTransform,FX_BOOL bDEdge)931 FX_BOOL CGdiDisplayDriver::GetDIBits(CFX_DIBitmap* pBitmap, int left, int top, void* pIccTransform, FX_BOOL bDEdge)
932 {
933     FX_BOOL ret = FALSE;
934     int width = pBitmap->GetWidth();
935     int height = pBitmap->GetHeight();
936     HBITMAP hbmp = CreateCompatibleBitmap(m_hDC, width, height);
937     HDC hDCMemory = CreateCompatibleDC(m_hDC);
938     HBITMAP holdbmp  = (HBITMAP)SelectObject(hDCMemory, hbmp);
939     BitBlt(hDCMemory, 0, 0, width, height, m_hDC, left, top, SRCCOPY);
940     SelectObject(hDCMemory, holdbmp);
941     BITMAPINFO bmi;
942     FXSYS_memset32(&bmi, 0, sizeof bmi);
943     bmi.bmiHeader.biSize = sizeof bmi.bmiHeader;
944     bmi.bmiHeader.biBitCount = pBitmap->GetBPP();
945     bmi.bmiHeader.biHeight = -height;
946     bmi.bmiHeader.biPlanes = 1;
947     bmi.bmiHeader.biWidth = width;
948     if (!CFX_GEModule::Get()->GetCodecModule() || !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) {
949         pIccTransform = NULL;
950     }
951     if (pBitmap->GetBPP() > 8 && !pBitmap->IsCmykImage() && pIccTransform == NULL) {
952         ret = ::GetDIBits(hDCMemory, hbmp, 0, height, pBitmap->GetBuffer(), &bmi, DIB_RGB_COLORS) == height;
953     } else {
954         CFX_DIBitmap bitmap;
955         if (bitmap.Create(width, height, FXDIB_Rgb)) {
956             bmi.bmiHeader.biBitCount = 24;
957             ::GetDIBits(hDCMemory, hbmp, 0, height, bitmap.GetBuffer(), &bmi, DIB_RGB_COLORS);
958             ret = pBitmap->TransferBitmap(0, 0, width, height, &bitmap, 0, 0, pIccTransform);
959         } else {
960             ret = FALSE;
961         }
962     }
963 #ifndef _FPDFAPI_MINI_
964     if (pBitmap->HasAlpha() && ret) {
965         pBitmap->LoadChannel(FXDIB_Alpha, 0xff);
966     }
967 #endif
968     DeleteObject(hbmp);
969     DeleteObject(hDCMemory);
970     return ret;
971 }
SetDIBits(const CFX_DIBSource * pSource,FX_DWORD color,const FX_RECT * pSrcRect,int left,int top,int blend_type,int alpha_flag,void * pIccTransform)972 FX_BOOL CGdiDisplayDriver::SetDIBits(const CFX_DIBSource* pSource, FX_DWORD color, const FX_RECT* pSrcRect, int left, int top, int blend_type,
973                                      int alpha_flag, void* pIccTransform)
974 {
975     ASSERT(blend_type == FXDIB_BLEND_NORMAL);
976     if (pSource->IsAlphaMask()) {
977         int width = pSource->GetWidth(), height = pSource->GetHeight();
978         int alpha = FXGETFLAG_COLORTYPE(alpha_flag) ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXARGB_A(color);
979         FX_BOOL bGDI = pSource->GetBPP() == 1 && alpha == 255;
980         if (!bGDI) {
981             CFX_DIBitmap background;
982             if (!background.Create(width, height, FXDIB_Rgb32) ||
983                     !GetDIBits(&background, left, top, NULL) ||
984                     !background.CompositeMask(0, 0, width, height, pSource, color, 0, 0, FXDIB_BLEND_NORMAL, NULL, FALSE, alpha_flag, pIccTransform)) {
985                 return FALSE;
986             }
987             FX_RECT src_rect(0, 0, width, height);
988             return SetDIBits(&background, 0, &src_rect, left, top, FXDIB_BLEND_NORMAL, 0, NULL);
989         }
990         FX_RECT clip_rect(left, top, left + pSrcRect->Width(), top + pSrcRect->Height());
991         return StretchDIBits(pSource, color, left - pSrcRect->left, top - pSrcRect->top, width, height,
992                              &clip_rect, 0, alpha_flag, pIccTransform, FXDIB_BLEND_NORMAL);
993     } else {
994         int width = pSrcRect->Width(), height = pSrcRect->Height();
995         if (pSource->HasAlpha()) {
996             CFX_DIBitmap bitmap;
997             if (!bitmap.Create(width, height, FXDIB_Rgb) ||
998                     !GetDIBits(&bitmap, left, top, NULL) ||
999                     !bitmap.CompositeBitmap(0, 0, width, height, pSource, pSrcRect->left, pSrcRect->top, FXDIB_BLEND_NORMAL, NULL, FALSE, pIccTransform)) {
1000                 return FALSE;
1001             }
1002             FX_RECT src_rect(0, 0, width, height);
1003             return SetDIBits(&bitmap, 0, &src_rect, left, top, FXDIB_BLEND_NORMAL, 0, NULL);
1004         }
1005         CFX_DIBExtractor temp(pSource);
1006         CFX_DIBitmap* pBitmap = temp;
1007         if (pBitmap) {
1008             return GDI_SetDIBits(pBitmap, pSrcRect, left, top, pIccTransform);
1009         }
1010     }
1011     return FALSE;
1012 }
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)1013 FX_BOOL CGdiDisplayDriver::UseFoxitStretchEngine(const CFX_DIBSource* pSource, FX_DWORD color, int dest_left, int dest_top,
1014         int dest_width, int dest_height, const FX_RECT* pClipRect, int render_flags,
1015         int alpha_flag, void* pIccTransform, int blend_type)
1016 {
1017     FX_RECT bitmap_clip = *pClipRect;
1018     if (dest_width < 0) {
1019         dest_left += dest_width;
1020     }
1021     if (dest_height < 0) {
1022         dest_top += dest_height;
1023     }
1024     bitmap_clip.Offset(-dest_left, -dest_top);
1025     CFX_DIBitmap* pStretched = pSource->StretchTo(dest_width, dest_height, render_flags, &bitmap_clip);
1026     if (pStretched == NULL) {
1027         return TRUE;
1028     }
1029     FX_RECT src_rect(0, 0, pStretched->GetWidth(), pStretched->GetHeight());
1030     FX_BOOL ret = SetDIBits(pStretched, color, &src_rect, pClipRect->left, pClipRect->top, FXDIB_BLEND_NORMAL, alpha_flag, pIccTransform);
1031     delete pStretched;
1032     return ret;
1033 }
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)1034 FX_BOOL CGdiDisplayDriver::StretchDIBits(const CFX_DIBSource* pSource, FX_DWORD color, int dest_left, int dest_top,
1035         int dest_width, int dest_height, const FX_RECT* pClipRect, FX_DWORD flags,
1036         int alpha_flag, void* pIccTransform, int blend_type)
1037 {
1038     ASSERT(pSource != NULL && pClipRect != NULL);
1039     if (flags || dest_width > 10000 || dest_width < -10000 || dest_height > 10000 || dest_height < -10000)
1040         return UseFoxitStretchEngine(pSource, color, dest_left, dest_top, dest_width, dest_height,
1041                                      pClipRect, flags, alpha_flag, pIccTransform, blend_type);
1042     if (pSource->IsAlphaMask()) {
1043         FX_RECT image_rect;
1044         image_rect.left = dest_width > 0 ? dest_left : dest_left + dest_width;
1045         image_rect.right = dest_width > 0 ? dest_left + dest_width : dest_left;
1046         image_rect.top = dest_height > 0 ? dest_top : dest_top + dest_height;
1047         image_rect.bottom = dest_height > 0 ? dest_top + dest_height : dest_top;
1048         FX_RECT clip_rect = image_rect;
1049         clip_rect.Intersect(*pClipRect);
1050         clip_rect.Offset(-image_rect.left, -image_rect.top);
1051         int clip_width = clip_rect.Width(), clip_height = clip_rect.Height();
1052         CFX_DIBitmap* pStretched = pSource->StretchTo(dest_width, dest_height, flags, &clip_rect);
1053         if (pStretched == NULL) {
1054             return TRUE;
1055         }
1056         CFX_DIBitmap background;
1057         if (!background.Create(clip_width, clip_height, FXDIB_Rgb32) ||
1058                 !GetDIBits(&background, image_rect.left + clip_rect.left, image_rect.top + clip_rect.top, NULL) ||
1059                 !background.CompositeMask(0, 0, clip_width, clip_height, pStretched, color, 0, 0, FXDIB_BLEND_NORMAL, NULL, FALSE, alpha_flag, pIccTransform)) {
1060             delete pStretched;
1061             return FALSE;
1062         }
1063         FX_RECT src_rect(0, 0, clip_width, clip_height);
1064         FX_BOOL ret = SetDIBits(&background, 0, &src_rect, image_rect.left + clip_rect.left, image_rect.top + clip_rect.top, FXDIB_BLEND_NORMAL, 0, NULL);
1065         delete pStretched;
1066         return ret;
1067     } else {
1068         if (pSource->HasAlpha()) {
1069             CWin32Platform* pPlatform = (CWin32Platform*)CFX_GEModule::Get()->GetPlatformData();
1070             if (pPlatform->m_GdiplusExt.IsAvailable() && pIccTransform == NULL && !pSource->IsCmykImage()) {
1071                 CFX_DIBExtractor temp(pSource);
1072                 CFX_DIBitmap* pBitmap = temp;
1073                 if (pBitmap == NULL) {
1074                     return FALSE;
1075                 }
1076                 return pPlatform->m_GdiplusExt.StretchDIBits(m_hDC, pBitmap, dest_left, dest_top, dest_width, dest_height, pClipRect, flags);
1077             }
1078             return UseFoxitStretchEngine(pSource, color, dest_left, dest_top, dest_width, dest_height,
1079                                          pClipRect, flags, alpha_flag, pIccTransform, blend_type);
1080         }
1081         CFX_DIBExtractor temp(pSource);
1082         CFX_DIBitmap* pBitmap = temp;
1083         if (pBitmap) {
1084             return GDI_StretchDIBits(pBitmap, dest_left, dest_top, dest_width, dest_height, flags, pIccTransform);
1085         }
1086     }
1087     return FALSE;
1088 }
1089 #define GET_PS_FEATURESETTING        4121
1090 #define FEATURESETTING_PSLEVEL       2
GetPSLevel(HDC hDC)1091 int GetPSLevel(HDC hDC)
1092 {
1093     int device_type = ::GetDeviceCaps(hDC, TECHNOLOGY);
1094     if (device_type != DT_RASPRINTER) {
1095         return 0;
1096     }
1097     FX_DWORD esc = GET_PS_FEATURESETTING;
1098     if (ExtEscape(hDC, QUERYESCSUPPORT, sizeof esc, (char*)&esc, 0, NULL)) {
1099         int param = FEATURESETTING_PSLEVEL;
1100         if (ExtEscape(hDC, GET_PS_FEATURESETTING, sizeof(int), (char*)&param, sizeof(int), (char*)&param) > 0) {
1101             return param;
1102         }
1103     }
1104     esc = POSTSCRIPT_IDENTIFY;
1105     if (ExtEscape(hDC, QUERYESCSUPPORT, sizeof esc, (char*)&esc, 0, NULL) == 0) {
1106         esc = POSTSCRIPT_DATA;
1107         if (ExtEscape(hDC, QUERYESCSUPPORT, sizeof esc, (char*)&esc, 0, NULL)) {
1108             return 2;
1109         }
1110         return 0;
1111     }
1112     esc = PSIDENT_GDICENTRIC;
1113     if (ExtEscape(hDC, POSTSCRIPT_IDENTIFY, sizeof(FX_DWORD), (char*)&esc, 0, NULL) <= 0) {
1114         return 2;
1115     }
1116     esc = GET_PS_FEATURESETTING;
1117     if (ExtEscape(hDC, QUERYESCSUPPORT, sizeof esc, (char*)&esc, 0, NULL)) {
1118         int param = FEATURESETTING_PSLEVEL;
1119         if (ExtEscape(hDC, GET_PS_FEATURESETTING, sizeof(int), (char*)&param, sizeof(int), (char*)&param) > 0) {
1120             return param;
1121         }
1122     }
1123     return 2;
1124 }
1125 int CFX_WindowsDevice::m_psLevel = 2;
CFX_WindowsDevice(HDC hDC,FX_BOOL bCmykOutput,FX_BOOL bForcePSOutput,int psLevel)1126 CFX_WindowsDevice::CFX_WindowsDevice(HDC hDC, FX_BOOL bCmykOutput, FX_BOOL bForcePSOutput, int psLevel)
1127 {
1128     m_bForcePSOutput = bForcePSOutput;
1129     m_psLevel = psLevel;
1130     if (bForcePSOutput) {
1131         IFX_RenderDeviceDriver* pDriver = FX_NEW CPSPrinterDriver;
1132         if (!pDriver) {
1133             return;
1134         }
1135         ((CPSPrinterDriver*)pDriver)->Init(hDC, psLevel, bCmykOutput);
1136         SetDeviceDriver(pDriver);
1137         return;
1138     }
1139     SetDeviceDriver(CreateDriver(hDC, bCmykOutput));
1140 }
GetDC() const1141 HDC CFX_WindowsDevice::GetDC() const
1142 {
1143     IFX_RenderDeviceDriver *pRDD = GetDeviceDriver();
1144     if (!pRDD) {
1145         return NULL;
1146     }
1147     return (HDC)pRDD->GetPlatformSurface();
1148 }
CreateDriver(HDC hDC,FX_BOOL bCmykOutput)1149 IFX_RenderDeviceDriver* CFX_WindowsDevice::CreateDriver(HDC hDC, FX_BOOL bCmykOutput)
1150 {
1151     int device_type = ::GetDeviceCaps(hDC, TECHNOLOGY);
1152     int obj_type = ::GetObjectType(hDC);
1153     int device_class;
1154     if (device_type == DT_RASPRINTER || device_type == DT_PLOTTER || obj_type == OBJ_ENHMETADC) {
1155         device_class = FXDC_PRINTER;
1156     } else {
1157         device_class = FXDC_DISPLAY;
1158     }
1159     return FX_NEW CGdiDisplayDriver(hDC);
1160 }
CFX_WinBitmapDevice(int width,int height,FXDIB_Format format)1161 CFX_WinBitmapDevice::CFX_WinBitmapDevice(int width, int height, FXDIB_Format format)
1162 {
1163     BITMAPINFOHEADER bmih;
1164     FXSYS_memset32(&bmih, 0, sizeof (BITMAPINFOHEADER));
1165     bmih.biSize = sizeof(BITMAPINFOHEADER);
1166     bmih.biBitCount = format & 0xff;
1167     bmih.biHeight = -height;
1168     bmih.biPlanes = 1;
1169     bmih.biWidth = width;
1170     FX_LPBYTE pBuffer;
1171     m_hBitmap = CreateDIBSection(NULL, (BITMAPINFO*)&bmih, DIB_RGB_COLORS, (FX_LPVOID*)&pBuffer, NULL, 0);
1172     if (m_hBitmap == NULL) {
1173         return;
1174     }
1175     CFX_DIBitmap* pBitmap = FX_NEW CFX_DIBitmap;
1176     if (!pBitmap) {
1177         return;
1178     }
1179     pBitmap->Create(width, height, format, pBuffer);
1180     SetBitmap(pBitmap);
1181     m_hDC = ::CreateCompatibleDC(NULL);
1182     m_hOldBitmap = (HBITMAP)SelectObject(m_hDC, m_hBitmap);
1183     IFX_RenderDeviceDriver* pDriver = FX_NEW CGdiDisplayDriver(m_hDC);
1184     if (!pDriver) {
1185         return;
1186     }
1187     SetDeviceDriver(pDriver);
1188 }
~CFX_WinBitmapDevice()1189 CFX_WinBitmapDevice::~CFX_WinBitmapDevice()
1190 {
1191     if (m_hDC) {
1192         SelectObject(m_hDC, m_hOldBitmap);
1193         DeleteDC(m_hDC);
1194     }
1195     if (m_hBitmap) {
1196         DeleteObject(m_hBitmap);
1197     }
1198     delete GetBitmap();
1199 }
1200 #endif
1201