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"
19class CWin32FontInfo : public IFX_SystemFontInfo
20{
21public:
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);
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};
46CWin32FontInfo::CWin32FontInfo()
47{
48    m_hDC = CreateCompatibleDC(NULL);
49}
50CWin32FontInfo::~CWin32FontInfo()
51{
52    m_pMapper = NULL;
53}
54void 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)
60FX_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}
81FX_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}
105void 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}
126static 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}
140FX_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}
154static const struct {
155    FX_LPCSTR	m_pFaceName;
156    FX_LPCSTR	m_pVariantName;
157}
158VariantNames[] = {
159    {"DFKai-SB", "\x19\x6A\x77\x69\xD4\x9A"},
160};
161static const struct {
162    FX_LPCSTR	m_pName;
163    FX_LPCSTR	m_pWinName;
164    FX_BOOL		m_bBold;
165    FX_BOOL		m_bItalic;
166}
167Base14Substs[] = {
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};
181CFX_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}
199struct _FontNameMap {
200    FX_LPCSTR	m_pSubFontName;
201    FX_LPCSTR	m_pSrcFontName;
202};
203const _FontNameMap g_JpFontNameMap[] = {
204    {"MS Mincho", "Heiseimin-W3"},
205    {"MS Gothic", "Jun101-Light"},
206};
207const _FontNameMap g_GbFontNameMap[1];
208extern "C" {
209    static int compareString(const void* key, const void* element)
210    {
211        return FXSYS_stricmp((FX_LPCSTR)key, ((_FontNameMap*)element)->m_pSrcFontName);
212    }
213}
214FX_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}
232void 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}
260void 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}
292void* 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}
363void CWin32FontInfo::DeleteFont(void* hFont)
364{
365    ::DeleteObject(hFont);
366}
367FX_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}
378FX_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}
390FX_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_
400IFX_SystemFontInfo* IFX_SystemFontInfo::CreateDefault()
401{
402    return FX_NEW CWin32FontInfo;
403}
404#endif
405void 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}
419void CFX_GEModule::DestroyPlatform()
420{
421    if (m_pPlatformData) {
422        delete (CWin32Platform*)m_pPlatformData;
423    }
424    m_pPlatformData = NULL;
425}
426CGdiDeviceDriver::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}
453int 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}
469FX_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}
478FX_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}
519FX_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}
552FX_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}
582BOOL CGdiDeviceDriver::GetClipBox(FX_RECT* pRect)
583{
584    return ::GetClipBox(m_hDC, (RECT*)pRect);
585}
586FX_BOOL CGdiDeviceDriver::SetClipRgn(FX_LPVOID hRgn)
587{
588    ::SelectClipRgn(m_hDC, (HRGN)hRgn);
589    return TRUE;
590}
591static 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}
660static HBRUSH _CreateBrush(FX_DWORD argb)
661{
662    int a;
663    FX_COLORREF rgb;
664    ArgbDecode(argb, a, rgb);
665    return CreateSolidBrush(rgb);
666}
667static 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}
713void 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}
740static 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}
744FX_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}
845FX_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}
865FX_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}
883FX_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}
898FX_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}
919FX_BOOL CGdiDeviceDriver::DeleteDeviceRgn(FX_LPVOID pRgn)
920{
921    DeleteObject((HGDIOBJ)pRgn);
922    return TRUE;
923}
924CGdiDisplayDriver::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}
931FX_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}
972FX_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}
1013FX_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}
1034FX_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
1091int 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}
1125int CFX_WindowsDevice::m_psLevel = 2;
1126CFX_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}
1141HDC CFX_WindowsDevice::GetDC() const
1142{
1143    IFX_RenderDeviceDriver *pRDD = GetDeviceDriver();
1144    if (!pRDD) {
1145        return NULL;
1146    }
1147    return (HDC)pRDD->GetPlatformSurface();
1148}
1149IFX_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}
1161CFX_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}
1189CFX_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