diff options
Diffstat (limited to 'fpdfsdk/src/fpdfview.cpp')
| -rw-r--r-- | fpdfsdk/src/fpdfview.cpp | 1758 |
1 files changed, 879 insertions, 879 deletions
diff --git a/fpdfsdk/src/fpdfview.cpp b/fpdfsdk/src/fpdfview.cpp index e72e5ab0db..a5ba796158 100644 --- a/fpdfsdk/src/fpdfview.cpp +++ b/fpdfsdk/src/fpdfview.cpp @@ -1,879 +1,879 @@ -// 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);
-}
+// 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); +} |