// Copyright 2014 PDFium Authors. All rights reserved. | |
// Use of this source code is governed by a BSD-style license that can be | |
// found in the LICENSE file. | |
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
#include "../include/fsdk_define.h" | |
#include "../include/fpdfview.h" | |
#include "../include/fsdk_rendercontext.h" | |
#include "../include/fpdf_progressive.h" | |
#include "../include/fpdf_ext.h" | |
CPDF_CustomAccess::CPDF_CustomAccess(FPDF_FILEACCESS* pFileAccess) | |
{ | |
m_FileAccess = *pFileAccess; | |
m_BufferOffset = (FX_DWORD)-1; | |
} | |
FX_BOOL CPDF_CustomAccess::GetByte(FX_DWORD pos, FX_BYTE& ch) | |
{ | |
if (pos >= m_FileAccess.m_FileLen) return FALSE; | |
if (m_BufferOffset == (FX_DWORD)-1 || pos < m_BufferOffset || pos >= m_BufferOffset + 512) { | |
// Need to read from file access | |
m_BufferOffset = pos; | |
int size = 512; | |
if (pos + 512 > m_FileAccess.m_FileLen) | |
size = m_FileAccess.m_FileLen - pos; | |
if (!m_FileAccess.m_GetBlock(m_FileAccess.m_Param, m_BufferOffset, m_Buffer, size)) | |
return FALSE; | |
} | |
ch = m_Buffer[pos - m_BufferOffset]; | |
return TRUE; | |
} | |
FX_BOOL CPDF_CustomAccess::GetBlock(FX_DWORD pos, FX_LPBYTE pBuf, FX_DWORD size) | |
{ | |
if (pos + size > m_FileAccess.m_FileLen) return FALSE; | |
return m_FileAccess.m_GetBlock(m_FileAccess.m_Param, pos, pBuf, size); | |
} | |
FX_BOOL CPDF_CustomAccess::ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) | |
{ | |
// m_FileAccess = *pFileAccess; | |
// m_BufferOffset = (FX_DWORD)-1; | |
if (offset + size > m_FileAccess.m_FileLen) return FALSE; | |
return m_FileAccess.m_GetBlock(m_FileAccess.m_Param, offset,(FX_LPBYTE) buffer, size); | |
// return FALSE; | |
} | |
//0 bit: FPDF_POLICY_MACHINETIME_ACCESS | |
static FX_DWORD foxit_sandbox_policy = 0xFFFFFFFF; | |
void FSDK_SetSandBoxPolicy(FPDF_DWORD policy, FPDF_BOOL enable) | |
{ | |
switch(policy) | |
{ | |
case FPDF_POLICY_MACHINETIME_ACCESS: | |
{ | |
if(enable) | |
foxit_sandbox_policy |= 0x01; | |
else | |
foxit_sandbox_policy &= 0xFFFFFFFE; | |
} | |
break; | |
default: | |
break; | |
} | |
} | |
FPDF_BOOL FSDK_IsSandBoxPolicyEnabled(FPDF_DWORD policy) | |
{ | |
switch(policy) | |
{ | |
case FPDF_POLICY_MACHINETIME_ACCESS: | |
{ | |
if(foxit_sandbox_policy&0x01) | |
return TRUE; | |
else | |
return FALSE; | |
} | |
break; | |
default: | |
break; | |
} | |
return FALSE; | |
} | |
#ifndef _T | |
#define _T(x) x | |
#endif | |
#ifdef API5 | |
CPDF_ModuleMgr* g_pModuleMgr = NULL; | |
#else | |
CCodec_ModuleMgr* g_pCodecModule = NULL; | |
#ifdef _FXSDK_OPENSOURCE_ | |
FXMEM_FoxitMgr* g_pFoxitMgr = NULL; | |
#endif | |
#endif | |
//extern CPDFSDK_FormFillApp* g_pFormFillApp; | |
#if _FX_OS_ == _FX_LINUX_EMBEDDED_ | |
class CFontMapper : public IPDF_FontMapper | |
{ | |
public: | |
CFontMapper(); | |
virtual ~CFontMapper(); | |
virtual FT_Face FindSubstFont( | |
CPDF_Document* pDoc, // [IN] The PDF document | |
const CFX_ByteString& face_name, // [IN] Original name | |
FX_BOOL bTrueType, // [IN] TrueType or Type1 | |
FX_DWORD flags, // [IN] PDF font flags (see PDF Reference section 5.7.1) | |
int font_weight, // [IN] original font weight. 0 for not specified | |
int CharsetCP, // [IN] code page for charset (see Win32 GetACP()) | |
FX_BOOL bVertical, | |
CPDF_SubstFont* pSubstFont // [OUT] Subst font data | |
); | |
FT_Face m_SysFace; | |
}; | |
CFontMapper* g_pFontMapper = NULL; | |
#endif // #if _FX_OS_ == _FX_LINUX_EMBEDDED_ | |
DLLEXPORT void STDCALL FPDF_InitLibrary(FX_LPVOID hInstance) | |
{ | |
#ifdef API5 | |
CPDF_ModuleMgr::Create(); | |
g_pModuleMgr = CPDF_ModuleMgr::Get(); | |
#if _FX_OS_ == _FX_WIN32_MOBILE_ || _FX_OS_ == _FX_LINUX_EMBEDDED_ | |
g_pModuleMgr->InitEmbedded(); | |
#ifdef _GB1_CMAPS_ | |
g_pModuleMgr->LoadEmbeddedGB1CMaps(); | |
#endif | |
#ifdef _GB1_CMAPS_4_ | |
g_pModuleMgr->LoadEmbeddedGB1CMaps_4(); | |
#endif | |
#ifdef _CNS1_CMAPS_ | |
g_pModuleMgr->LoadEmbeddedCNS1CMaps(); | |
#endif | |
#ifdef _JAPAN1_CMAPS_ | |
g_pModuleMgr->LoadEmbeddedJapan1CMaps(); | |
#endif | |
#ifdef _JAPAN1_CMAPS_6_ | |
g_pModuleMgr->LoadEmbeddedJapan1CMaps_6(); | |
#endif | |
#ifdef _KOREA1_CMAPS_ | |
g_pModuleMgr->LoadEmbeddedKorea1CMaps(); | |
#endif | |
#ifdef _JPX_DECODER_ | |
g_pModuleMgr->InitJpxModule(); | |
g_pModuleMgr->InitJbig2Module(); | |
// g_pModuleMgr->InitIccModule(); | |
#endif | |
#else | |
g_pModuleMgr->InitDesktop(); | |
#endif | |
#else | |
#ifdef _FXSDK_OPENSOURCE_ | |
g_pFoxitMgr = FXMEM_CreateMemoryMgr(1024 * 1024 * 32, TRUE); | |
#endif | |
g_pCodecModule = CCodec_ModuleMgr::Create(); | |
CFX_GEModule::Create(); | |
CFX_GEModule::Get()->SetCodecModule(g_pCodecModule); | |
CPDF_ModuleMgr::Create(); | |
CPDF_ModuleMgr::Get()->SetCodecModule(g_pCodecModule); | |
CPDF_ModuleMgr::Get()->InitPageModule(); | |
CPDF_ModuleMgr::Get()->InitRenderModule(); | |
#ifdef FOXIT_CHROME_BUILD | |
CPDF_ModuleMgr * pModuleMgr = CPDF_ModuleMgr::Get(); | |
if ( pModuleMgr ) | |
{ | |
pModuleMgr->LoadEmbeddedGB1CMaps(); | |
pModuleMgr->LoadEmbeddedJapan1CMaps(); | |
pModuleMgr->LoadEmbeddedCNS1CMaps(); | |
pModuleMgr->LoadEmbeddedKorea1CMaps(); | |
} | |
#endif | |
#endif | |
#ifdef _WIN32 | |
// Get module path | |
TCHAR app_path[MAX_PATH]; | |
::GetModuleFileName((HINSTANCE)hInstance, app_path, MAX_PATH); | |
size_t len = _tcslen(app_path); | |
for (size_t i = len; i >= 0; i --) | |
if (app_path[i] == '\\') { | |
app_path[i] = 0; | |
break; | |
} | |
#ifdef _UNICODE | |
#ifndef _FXSDK_OPENSOURCE_ | |
CPDF_ModuleMgr::Get()->SetModulePath(NULL, CFX_ByteString::FromUnicode(app_path)); | |
#endif | |
#else | |
#ifndef _FXSDK_OPENSOURCE_ | |
CPDF_ModuleMgr::Get()->SetModulePath(NULL, app_path); | |
#endif | |
#endif | |
#endif | |
} | |
DLLEXPORT void STDCALL FPDF_DestroyLibrary() | |
{ | |
#if _FX_OS_ == _FX_LINUX_EMBEDDED_ | |
if (g_pFontMapper) delete g_pFontMapper; | |
#endif | |
#ifdef API5 | |
g_pModuleMgr->Destroy(); | |
#else | |
CPDF_ModuleMgr::Destroy(); | |
CFX_GEModule::Destroy(); | |
g_pCodecModule->Destroy(); | |
#endif | |
#ifndef _FXSDK_OPENSOURCE_ | |
FXMEM_CollectAll(FXMEM_GetDefaultMgr()); | |
#else | |
FXMEM_DestroyFoxitMgr(g_pFoxitMgr); | |
#endif | |
} | |
#ifndef _WIN32 | |
int g_LastError; | |
void SetLastError(int err) | |
{ | |
g_LastError = err; | |
} | |
int GetLastError() | |
{ | |
return g_LastError; | |
} | |
#endif | |
void ProcessParseError(FX_DWORD err_code) | |
{ | |
// Translate FPDFAPI error code to FPDFVIEW error code | |
switch (err_code) { | |
case PDFPARSE_ERROR_FILE: | |
err_code = FPDF_ERR_FILE; | |
break; | |
case PDFPARSE_ERROR_FORMAT: | |
err_code = FPDF_ERR_FORMAT; | |
break; | |
case PDFPARSE_ERROR_PASSWORD: | |
err_code = FPDF_ERR_PASSWORD; | |
break; | |
case PDFPARSE_ERROR_HANDLER: | |
err_code = FPDF_ERR_SECURITY; | |
break; | |
} | |
SetLastError(err_code); | |
} | |
DLLEXPORT void STDCALL FPDF_SetSandBoxPolicy(FPDF_DWORD policy, FPDF_BOOL enable) | |
{ | |
return FSDK_SetSandBoxPolicy(policy, enable); | |
} | |
DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_LoadDocument(FPDF_STRING file_path, FPDF_BYTESTRING password) | |
{ | |
CPDF_Parser* pParser = FX_NEW CPDF_Parser; | |
pParser->SetPassword(password); | |
try { | |
FX_DWORD err_code = pParser->StartParse((FX_LPCSTR)file_path); | |
if (err_code) { | |
delete pParser; | |
ProcessParseError(err_code); | |
return NULL; | |
} | |
} | |
catch (...) { | |
delete pParser; | |
SetLastError(FPDF_ERR_UNKNOWN); | |
return NULL; | |
} | |
return pParser->GetDocument(); | |
} | |
extern void CheckUnSupportError(CPDF_Document * pDoc, FX_DWORD err_code); | |
class CMemFile: public IFX_FileRead, public CFX_Object | |
{ | |
public: | |
CMemFile(FX_BYTE* pBuf, FX_FILESIZE size):m_pBuf(pBuf),m_size(size) {} | |
virtual void Release() {delete this;} | |
virtual FX_FILESIZE GetSize() {return m_size;} | |
virtual FX_BOOL ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) | |
{ | |
if(offset+size > (FX_DWORD)m_size) return FALSE; | |
FXSYS_memcpy(buffer, m_pBuf+offset, size); | |
return TRUE; | |
} | |
private: | |
FX_BYTE* m_pBuf; | |
FX_FILESIZE m_size; | |
}; | |
DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_LoadMemDocument(const void* data_buf, int size, FPDF_BYTESTRING password) | |
{ | |
CPDF_Parser* pParser = FX_NEW CPDF_Parser; | |
pParser->SetPassword(password); | |
try { | |
CMemFile* pMemFile = FX_NEW CMemFile((FX_BYTE*)data_buf, size); | |
FX_DWORD err_code = pParser->StartParse(pMemFile); | |
if (err_code) { | |
delete pParser; | |
ProcessParseError(err_code); | |
return NULL; | |
} | |
CPDF_Document * pDoc = NULL; | |
pDoc = pParser?pParser->GetDocument():NULL; | |
CheckUnSupportError(pDoc, err_code); | |
} | |
catch (...) { | |
delete pParser; | |
SetLastError(FPDF_ERR_UNKNOWN); | |
return NULL; | |
} | |
return pParser->GetDocument(); | |
} | |
DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_LoadCustomDocument(FPDF_FILEACCESS* pFileAccess, FPDF_BYTESTRING password) | |
{ | |
CPDF_Parser* pParser = FX_NEW CPDF_Parser; | |
pParser->SetPassword(password); | |
CPDF_CustomAccess* pFile = FX_NEW CPDF_CustomAccess(pFileAccess); | |
try { | |
FX_DWORD err_code = pParser->StartParse(pFile); | |
if (err_code) { | |
delete pParser; | |
ProcessParseError(err_code); | |
return NULL; | |
} | |
CPDF_Document * pDoc = NULL; | |
pDoc = pParser?pParser->GetDocument():NULL; | |
CheckUnSupportError(pDoc, err_code); | |
} | |
catch (...) { | |
delete pParser; | |
SetLastError(FPDF_ERR_UNKNOWN); | |
return NULL; | |
} | |
return pParser->GetDocument(); | |
} | |
DLLEXPORT FPDF_BOOL STDCALL FPDF_GetFileVersion(FPDF_DOCUMENT doc, int* fileVersion) | |
{ | |
if(!doc||!fileVersion) return FALSE; | |
*fileVersion = 0; | |
CPDF_Document* pDoc = (CPDF_Document*)doc; | |
CPDF_Parser* pParser = (CPDF_Parser*)pDoc->GetParser(); | |
if(!pParser) | |
return FALSE; | |
*fileVersion = pParser->GetFileVersion(); | |
return TRUE; | |
} | |
// jabdelmalek: changed return type from FX_DWORD to build on Linux (and match header). | |
DLLEXPORT unsigned long STDCALL FPDF_GetDocPermissions(FPDF_DOCUMENT document) | |
{ | |
if (document == NULL) return 0; | |
CPDF_Document*pDoc = (CPDF_Document*)document; | |
CPDF_Parser* pParser = (CPDF_Parser*)pDoc->GetParser(); | |
CPDF_Dictionary* pDict = pParser->GetEncryptDict(); | |
if (pDict == NULL) return (FX_DWORD)-1; | |
return pDict->GetInteger("P"); | |
} | |
DLLEXPORT int STDCALL FPDF_GetPageCount(FPDF_DOCUMENT document) | |
{ | |
if (document == NULL) return 0; | |
return ((CPDF_Document*)document)->GetPageCount(); | |
} | |
DLLEXPORT FPDF_PAGE STDCALL FPDF_LoadPage(FPDF_DOCUMENT document, int page_index) | |
{ | |
if (document == NULL) return NULL; | |
if (page_index < 0 || page_index >= FPDF_GetPageCount(document)) return NULL; | |
// CPDF_Parser* pParser = (CPDF_Parser*)document; | |
CPDF_Document* pDoc = (CPDF_Document*)document; | |
if (pDoc == NULL) return NULL; | |
CPDF_Dictionary* pDict = pDoc->GetPage(page_index); | |
if (pDict == NULL) return NULL; | |
CPDF_Page* pPage = FX_NEW CPDF_Page; | |
pPage->Load(pDoc, pDict); | |
try { | |
pPage->ParseContent(); | |
} | |
catch (...) { | |
delete pPage; | |
return NULL; | |
} | |
// CheckUnSupportError(pDoc, 0); | |
return pPage; | |
} | |
DLLEXPORT double STDCALL FPDF_GetPageWidth(FPDF_PAGE page) | |
{ | |
if (!page) | |
return 0.0; | |
return ((CPDF_Page*)page)->GetPageWidth(); | |
} | |
DLLEXPORT double STDCALL FPDF_GetPageHeight(FPDF_PAGE page) | |
{ | |
if (!page) return 0.0; | |
return ((CPDF_Page*)page)->GetPageHeight(); | |
} | |
void DropContext(void* data) | |
{ | |
delete (CRenderContext*)data; | |
} | |
void FPDF_RenderPage_Retail(CRenderContext* pContext, FPDF_PAGE page, int start_x, int start_y, int size_x, int size_y, | |
int rotate, int flags,FX_BOOL bNeedToRestore, IFSDK_PAUSE_Adapter * pause ); | |
void (*Func_RenderPage)(CRenderContext*, FPDF_PAGE page, int start_x, int start_y, int size_x, int size_y, | |
int rotate, int flags,FX_BOOL bNeedToRestore, IFSDK_PAUSE_Adapter * pause ) = FPDF_RenderPage_Retail; | |
#if defined(_DEBUG) || defined(DEBUG) | |
#define DEBUG_TRACE | |
#endif | |
#if defined(_WIN32) | |
DLLEXPORT void STDCALL FPDF_RenderPage(HDC dc, FPDF_PAGE page, int start_x, int start_y, int size_x, int size_y, | |
int rotate, int flags) | |
{ | |
if (page==NULL) return; | |
CPDF_Page* pPage = (CPDF_Page*)page; | |
CRenderContext* pContext = FX_NEW CRenderContext; | |
pPage->SetPrivateData((void*)1, pContext, DropContext); | |
#ifndef _WIN32_WCE | |
CFX_DIBitmap* pBitmap = NULL; | |
FX_BOOL bBackgroundAlphaNeeded=FALSE; | |
bBackgroundAlphaNeeded = pPage->BackgroundAlphaNeeded(); | |
if (bBackgroundAlphaNeeded) | |
{ | |
pBitmap = FX_NEW CFX_DIBitmap; | |
pBitmap->Create(size_x, size_y, FXDIB_Argb); | |
pBitmap->Clear(0x00ffffff); | |
#ifdef _SKIA_SUPPORT_ | |
pContext->m_pDevice = FX_NEW CFX_SkiaDevice; | |
((CFX_SkiaDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)pBitmap); | |
#else | |
pContext->m_pDevice = FX_NEW CFX_FxgeDevice; | |
((CFX_FxgeDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)pBitmap); | |
#endif | |
} | |
else | |
pContext->m_pDevice = FX_NEW CFX_WindowsDevice(dc); | |
if (flags & FPDF_NO_CATCH) | |
Func_RenderPage(pContext, page, start_x, start_y, size_x, size_y, rotate, flags,TRUE,NULL); | |
else { | |
try { | |
Func_RenderPage(pContext, page, start_x, start_y, size_x, size_y, rotate, flags,TRUE,NULL); | |
} catch (...) { | |
} | |
} | |
if (bBackgroundAlphaNeeded) | |
{ | |
if (pBitmap) | |
{ | |
CFX_WindowsDevice WinDC(dc); | |
if (WinDC.GetDeviceCaps(FXDC_DEVICE_CLASS) == FXDC_PRINTER) | |
{ | |
CFX_DIBitmap* pDst = FX_NEW CFX_DIBitmap; | |
pDst->Create(pBitmap->GetWidth(), pBitmap->GetHeight(),FXDIB_Rgb32); | |
FXSYS_memcpy(pDst->GetBuffer(), pBitmap->GetBuffer(), pBitmap->GetPitch()*pBitmap->GetHeight()); | |
// WinDC.SetDIBits(pDst,0,0); | |
WinDC.StretchDIBits(pDst,0,0,size_x*2,size_y*2); | |
delete pDst; | |
} | |
else | |
WinDC.SetDIBits(pBitmap,0,0); | |
} | |
} | |
#else | |
// get clip region | |
RECT rect, cliprect; | |
rect.left = start_x; | |
rect.top = start_y; | |
rect.right = start_x + size_x; | |
rect.bottom = start_y + size_y; | |
GetClipBox(dc, &cliprect); | |
IntersectRect(&rect, &rect, &cliprect); | |
int width = rect.right - rect.left; | |
int height = rect.bottom - rect.top; | |
#ifdef DEBUG_TRACE | |
{ | |
char str[128]; | |
sprintf(str, "Rendering DIB %d x %d", width, height); | |
CPDF_ModuleMgr::Get()->ReportError(999, str); | |
} | |
#endif | |
// Create a DIB section | |
LPVOID pBuffer; | |
BITMAPINFOHEADER bmih; | |
FXSYS_memset(&bmih, 0, sizeof bmih); | |
bmih.biSize = sizeof bmih; | |
bmih.biBitCount = 24; | |
bmih.biHeight = -height; | |
bmih.biPlanes = 1; | |
bmih.biWidth = width; | |
pContext->m_hBitmap = CreateDIBSection(dc, (BITMAPINFO*)&bmih, DIB_RGB_COLORS, &pBuffer, NULL, 0); | |
if (pContext->m_hBitmap == NULL) { | |
#if defined(DEBUG) || defined(_DEBUG) | |
char str[128]; | |
sprintf(str, "Error CreateDIBSection: %d x %d, error code = %d", width, height, GetLastError()); | |
CPDF_ModuleMgr::Get()->ReportError(FPDFERR_OUT_OF_MEMORY, str); | |
#else | |
CPDF_ModuleMgr::Get()->ReportError(FPDFERR_OUT_OF_MEMORY, NULL); | |
#endif | |
} | |
FXSYS_memset(pBuffer, 0xff, height*((width*3+3)/4*4)); | |
#ifdef DEBUG_TRACE | |
{ | |
CPDF_ModuleMgr::Get()->ReportError(999, "DIBSection created"); | |
} | |
#endif | |
// Create a device with this external buffer | |
pContext->m_pBitmap = FX_NEW CFX_DIBitmap; | |
pContext->m_pBitmap->Create(width, height, FXDIB_Rgb, (FX_LPBYTE)pBuffer); | |
pContext->m_pDevice = FX_NEW CPDF_FxgeDevice; | |
((CPDF_FxgeDevice*)pContext->m_pDevice)->Attach(pContext->m_pBitmap); | |
#ifdef DEBUG_TRACE | |
CPDF_ModuleMgr::Get()->ReportError(999, "Ready for PDF rendering"); | |
#endif | |
// output to bitmap device | |
if (flags & FPDF_NO_CATCH) | |
Func_RenderPage(pContext, page, start_x - rect.left, start_y - rect.top, size_x, size_y, rotate, flags); | |
else { | |
try { | |
Func_RenderPage(pContext, page, start_x - rect.left, start_y - rect.top, size_x, size_y, rotate, flags); | |
} catch (...) { | |
} | |
} | |
#ifdef DEBUG_TRACE | |
CPDF_ModuleMgr::Get()->ReportError(999, "Finished PDF rendering"); | |
#endif | |
// Now output to real device | |
HDC hMemDC = CreateCompatibleDC(dc); | |
if (hMemDC == NULL) { | |
#if defined(DEBUG) || defined(_DEBUG) | |
char str[128]; | |
sprintf(str, "Error CreateCompatibleDC. Error code = %d", GetLastError()); | |
CPDF_ModuleMgr::Get()->ReportError(FPDFERR_OUT_OF_MEMORY, str); | |
#else | |
CPDF_ModuleMgr::Get()->ReportError(FPDFERR_OUT_OF_MEMORY, NULL); | |
#endif | |
} | |
HGDIOBJ hOldBitmap = SelectObject(hMemDC, pContext->m_hBitmap); | |
#ifdef DEBUG_TRACE | |
CPDF_ModuleMgr::Get()->ReportError(999, "Ready for screen rendering"); | |
#endif | |
BitBlt(dc, rect.left, rect.top, width, height, hMemDC, 0, 0, SRCCOPY); | |
SelectObject(hMemDC, hOldBitmap); | |
DeleteDC(hMemDC); | |
#ifdef DEBUG_TRACE | |
CPDF_ModuleMgr::Get()->ReportError(999, "Finished screen rendering"); | |
#endif | |
#endif | |
if (bBackgroundAlphaNeeded) | |
{ | |
if (pBitmap) | |
delete pBitmap; | |
pBitmap = NULL; | |
} | |
delete pContext; | |
pPage->RemovePrivateData((void*)1); | |
} | |
#endif | |
DLLEXPORT void STDCALL FPDF_RenderPageBitmap(FPDF_BITMAP bitmap, FPDF_PAGE page, int start_x, int start_y, | |
int size_x, int size_y, int rotate, int flags) | |
{ | |
if (bitmap == NULL || page == NULL) return; | |
CPDF_Page* pPage = (CPDF_Page*)page; | |
CRenderContext* pContext = FX_NEW CRenderContext; | |
pPage->SetPrivateData((void*)1, pContext, DropContext); | |
#ifdef _SKIA_SUPPORT_ | |
pContext->m_pDevice = FX_NEW CFX_SkiaDevice; | |
if (flags & FPDF_REVERSE_BYTE_ORDER) | |
((CFX_SkiaDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap,0,TRUE); | |
else | |
((CFX_SkiaDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap); | |
#else | |
pContext->m_pDevice = FX_NEW CFX_FxgeDevice; | |
if (flags & FPDF_REVERSE_BYTE_ORDER) | |
((CFX_FxgeDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap,0,TRUE); | |
else | |
((CFX_FxgeDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap); | |
#endif | |
if (flags & FPDF_NO_CATCH) | |
Func_RenderPage(pContext, page, start_x, start_y, size_x, size_y, rotate, flags,TRUE,NULL); | |
else { | |
try { | |
Func_RenderPage(pContext, page, start_x, start_y, size_x, size_y, rotate, flags,TRUE,NULL); | |
} catch (...) { | |
} | |
} | |
delete pContext; | |
pPage->RemovePrivateData((void*)1); | |
} | |
DLLEXPORT void STDCALL FPDF_ClosePage(FPDF_PAGE page) | |
{ | |
if (!page) return; | |
delete (CPDF_Page*)page; | |
} | |
DLLEXPORT void STDCALL FPDF_CloseDocument(FPDF_DOCUMENT document) | |
{ | |
if (!document) | |
return; | |
CPDF_Document* pDoc = (CPDF_Document*)document; | |
CPDF_Parser* pParser = (CPDF_Parser*)pDoc->GetParser(); | |
if (pParser == NULL) | |
{ | |
delete pDoc; | |
return; | |
} | |
delete pParser; | |
// delete pDoc; | |
} | |
DLLEXPORT unsigned long STDCALL FPDF_GetLastError() | |
{ | |
return GetLastError(); | |
} | |
DLLEXPORT void STDCALL FPDF_DeviceToPage(FPDF_PAGE page, int start_x, int start_y, int size_x, int size_y, | |
int rotate, int device_x, int device_y, double* page_x, double* page_y) | |
{ | |
if (page == NULL || page_x == NULL || page_y == NULL) return; | |
CPDF_Page* pPage = (CPDF_Page*)page; | |
CPDF_Matrix page2device; | |
pPage->GetDisplayMatrix(page2device, start_x, start_y, size_x, size_y, rotate); | |
CPDF_Matrix device2page; | |
device2page.SetReverse(page2device); | |
FX_FLOAT page_x_f, page_y_f; | |
device2page.Transform((FX_FLOAT)(device_x), (FX_FLOAT)(device_y), page_x_f, page_y_f); | |
*page_x = (page_x_f); | |
*page_y = (page_y_f); | |
} | |
DLLEXPORT void STDCALL FPDF_PageToDevice(FPDF_PAGE page, int start_x, int start_y, int size_x, int size_y, | |
int rotate, double page_x, double page_y, int* device_x, int* device_y) | |
{ | |
if (page == NULL || device_x == NULL || device_y == NULL) return; | |
CPDF_Page* pPage = (CPDF_Page*)page; | |
CPDF_Matrix page2device; | |
pPage->GetDisplayMatrix(page2device, start_x, start_y, size_x, size_y, rotate); | |
FX_FLOAT device_x_f, device_y_f; | |
page2device.Transform(((FX_FLOAT)page_x), ((FX_FLOAT)page_y), device_x_f, device_y_f); | |
*device_x = FXSYS_round(device_x_f); | |
*device_y = FXSYS_round(device_y_f); | |
} | |
DLLEXPORT FPDF_BITMAP STDCALL FPDFBitmap_Create(int width, int height, int alpha) | |
{ | |
CFX_DIBitmap* pBitmap = FX_NEW CFX_DIBitmap; | |
pBitmap->Create(width, height, alpha ? FXDIB_Argb : FXDIB_Rgb32); | |
return pBitmap; | |
} | |
DLLEXPORT FPDF_BITMAP STDCALL FPDFBitmap_CreateEx(int width, int height, int format, void* first_scan, int stride) | |
{ | |
FXDIB_Format fx_format; | |
switch (format) { | |
case FPDFBitmap_Gray: | |
fx_format = FXDIB_8bppRgb; | |
break; | |
case FPDFBitmap_BGR: | |
fx_format = FXDIB_Rgb; | |
break; | |
case FPDFBitmap_BGRx: | |
fx_format = FXDIB_Rgb32; | |
break; | |
case FPDFBitmap_BGRA: | |
fx_format = FXDIB_Argb; | |
break; | |
default: | |
return NULL; | |
} | |
CFX_DIBitmap* pBitmap = FX_NEW CFX_DIBitmap; | |
pBitmap->Create(width, height, fx_format, (FX_LPBYTE)first_scan, stride); | |
return pBitmap; | |
} | |
DLLEXPORT void STDCALL FPDFBitmap_FillRect(FPDF_BITMAP bitmap, int left, int top, int width, int height, | |
int red, int green, int blue, int alpha) | |
{ | |
if (bitmap == NULL) return; | |
#ifdef _SKIA_SUPPORT_ | |
CFX_SkiaDevice device; | |
#else | |
CFX_FxgeDevice device; | |
#endif | |
device.Attach((CFX_DIBitmap*)bitmap); | |
if (!((CFX_DIBitmap*)bitmap)->HasAlpha()) alpha = 255; | |
FX_RECT rect(left, top, left+width, top+height); | |
device.FillRect(&rect, FXARGB_MAKE(alpha, red, green, blue)); | |
} | |
DLLEXPORT void* STDCALL FPDFBitmap_GetBuffer(FPDF_BITMAP bitmap) | |
{ | |
if (bitmap == NULL) return NULL; | |
return ((CFX_DIBitmap*)bitmap)->GetBuffer(); | |
} | |
DLLEXPORT int STDCALL FPDFBitmap_GetWidth(FPDF_BITMAP bitmap) | |
{ | |
if (bitmap == NULL) return 0; | |
return ((CFX_DIBitmap*)bitmap)->GetWidth(); | |
} | |
DLLEXPORT int STDCALL FPDFBitmap_GetHeight(FPDF_BITMAP bitmap) | |
{ | |
if (bitmap == NULL) return 0; | |
return ((CFX_DIBitmap*)bitmap)->GetHeight(); | |
} | |
DLLEXPORT int STDCALL FPDFBitmap_GetStride(FPDF_BITMAP bitmap) | |
{ | |
if (bitmap == NULL) return 0; | |
return ((CFX_DIBitmap*)bitmap)->GetPitch(); | |
} | |
DLLEXPORT void STDCALL FPDFBitmap_Destroy(FPDF_BITMAP bitmap) | |
{ | |
if (bitmap == NULL) return; | |
delete (CFX_DIBitmap*)bitmap; | |
} | |
void FPDF_RenderPage_Retail(CRenderContext* pContext, FPDF_PAGE page, int start_x, int start_y, int size_x, int size_y, | |
int rotate, int flags,FX_BOOL bNeedToRestore, IFSDK_PAUSE_Adapter * pause ) | |
{ | |
//#ifdef _LICENSED_BUILD_ | |
CPDF_Page* pPage = (CPDF_Page*)page; | |
if (pPage == NULL) return; | |
if (!pContext->m_pOptions) | |
pContext->m_pOptions = new CPDF_RenderOptions; | |
// CPDF_RenderOptions options; | |
if (flags & FPDF_LCD_TEXT) | |
pContext->m_pOptions->m_Flags |= RENDER_CLEARTYPE; | |
else | |
pContext->m_pOptions->m_Flags &= ~RENDER_CLEARTYPE; | |
if (flags & FPDF_NO_NATIVETEXT) | |
pContext->m_pOptions->m_Flags |= RENDER_NO_NATIVETEXT; | |
if (flags & FPDF_RENDER_LIMITEDIMAGECACHE) | |
pContext->m_pOptions->m_Flags |= RENDER_LIMITEDIMAGECACHE; | |
if (flags & FPDF_RENDER_FORCEHALFTONE) | |
pContext->m_pOptions->m_Flags |= RENDER_FORCE_HALFTONE; | |
//Grayscale output | |
if (flags & FPDF_GRAYSCALE) | |
{ | |
pContext->m_pOptions->m_ColorMode = RENDER_COLOR_GRAY; | |
pContext->m_pOptions->m_ForeColor = 0; | |
pContext->m_pOptions->m_BackColor = 0xffffff; | |
} | |
const CPDF_OCContext::UsageType usage = (flags & FPDF_PRINTING) ? CPDF_OCContext::Print : CPDF_OCContext::View; | |
pContext->m_pOptions->m_AddFlags = flags >> 8; | |
pContext->m_pOptions->m_pOCContext = new CPDF_OCContext(pPage->m_pDocument, usage); | |
CFX_AffineMatrix matrix; | |
pPage->GetDisplayMatrix(matrix, start_x, start_y, size_x, size_y, rotate); | |
FX_RECT clip; | |
clip.left = start_x; | |
clip.right = start_x + size_x; | |
clip.top = start_y; | |
clip.bottom = start_y + size_y; | |
pContext->m_pDevice->SaveState(); | |
pContext->m_pDevice->SetClip_Rect(&clip); | |
pContext->m_pContext = FX_NEW CPDF_RenderContext; | |
pContext->m_pContext->Create(pPage); | |
pContext->m_pContext->AppendObjectList(pPage, &matrix); | |
if (flags & FPDF_ANNOT) { | |
pContext->m_pAnnots = FX_NEW CPDF_AnnotList(pPage); | |
FX_BOOL bPrinting = pContext->m_pDevice->GetDeviceClass() != FXDC_DISPLAY; | |
pContext->m_pAnnots->DisplayAnnots(pPage, pContext->m_pContext, bPrinting, &matrix, TRUE, NULL); | |
} | |
pContext->m_pRenderer = FX_NEW CPDF_ProgressiveRenderer; | |
pContext->m_pRenderer->Start(pContext->m_pContext, pContext->m_pDevice, pContext->m_pOptions, pause); | |
if (bNeedToRestore) | |
{ | |
pContext->m_pDevice->RestoreState(); | |
} | |
//#endif | |
} | |
DLLEXPORT int STDCALL FPDF_GetPageSizeByIndex(FPDF_DOCUMENT document, int page_index, double* width, double* height) | |
{ | |
CPDF_Document* pDoc = (CPDF_Document*)document; | |
if(pDoc == NULL) | |
return FALSE; | |
CPDF_Dictionary* pDict = pDoc->GetPage(page_index); | |
if (pDict == NULL) return FALSE; | |
CPDF_Page page; | |
page.Load(pDoc, pDict); | |
*width = page.GetPageWidth(); | |
*height = page.GetPageHeight(); | |
return TRUE; | |
} | |
DLLEXPORT FPDF_BOOL STDCALL FPDF_VIEWERREF_GetPrintScaling(FPDF_DOCUMENT document) | |
{ | |
CPDF_Document* pDoc = (CPDF_Document*)document; | |
if (!pDoc) return TRUE; | |
CPDF_ViewerPreferences viewRef(pDoc); | |
return viewRef.PrintScaling(); | |
} | |
DLLEXPORT FPDF_DEST STDCALL FPDF_GetNamedDestByName(FPDF_DOCUMENT document,FPDF_BYTESTRING name) | |
{ | |
if (document == NULL) | |
return NULL; | |
if (name == NULL || name[0] == 0) | |
return NULL; | |
CPDF_Document* pDoc = (CPDF_Document*)document; | |
CPDF_NameTree name_tree(pDoc, FX_BSTRC("Dests")); | |
return name_tree.LookupNamedDest(pDoc, name); | |
} |