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*)¶m,
1264 sizeof(int), (char*)¶m) > 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*)¶m,
1285 sizeof(int), (char*)¶m) > 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