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authorBo Xu <bo_xu@foxitsoftware.com>2014-10-28 23:03:33 -0700
committerBo Xu <bo_xu@foxitsoftware.com>2014-11-03 11:10:11 -0800
commitfdc00a7042d912aafaabddae4d9c84199921ef23 (patch)
tree32ab8ac91cc68d2cd15b9168782a71b3f3f5e7b9 /fpdfsdk/src/fpdfview.cpp
parente9b38fa38de2c95d8260be31c57d9272c4d127ed (diff)
downloadpdfium-fdc00a7042d912aafaabddae4d9c84199921ef23.tar.xz
Merge XFA to PDFium master at 4dc95e7 on 10/28/2014
Diffstat (limited to 'fpdfsdk/src/fpdfview.cpp')
-rw-r--r--fpdfsdk/src/fpdfview.cpp360
1 files changed, 284 insertions, 76 deletions
diff --git a/fpdfsdk/src/fpdfview.cpp b/fpdfsdk/src/fpdfview.cpp
index bd49862e1c..ae8f3ccd91 100644
--- a/fpdfsdk/src/fpdfview.cpp
+++ b/fpdfsdk/src/fpdfview.cpp
@@ -11,11 +11,116 @@
#include "../include/fpdf_progressive.h"
#include "../include/fpdf_ext.h"
#include "../../third_party/numerics/safe_conversions_impl.h"
+#include "../include/fpdfformfill.h"
+#include "../include/fpdfxfa/fpdfxfa_doc.h"
+#include "../include/fpdfxfa/fpdfxfa_app.h"
+#include "../include/fpdfxfa/fpdfxfa_page.h"
+#include "../include/fpdfxfa/fpdfxfa_util.h"
+
+CFPDF_FileStream::CFPDF_FileStream(FPDF_FILEHANDLER* pFS)
+{
+ m_pFS = pFS;
+ m_nCurPos = 0;
+}
+
+IFX_FileStream* CFPDF_FileStream::Retain()
+{
+ return this;
+}
+
+void CFPDF_FileStream::Release()
+{
+ if (m_pFS && m_pFS->Release)
+ m_pFS->Release(m_pFS->clientData);
+ delete this;
+}
+
+FX_FILESIZE CFPDF_FileStream::GetSize()
+{
+ if (m_pFS && m_pFS->GetSize)
+ return (FX_FILESIZE)m_pFS->GetSize(m_pFS->clientData);
+ return 0;
+}
+
+FX_BOOL CFPDF_FileStream::IsEOF()
+{
+ return m_nCurPos >= GetSize();
+}
+
+FX_BOOL CFPDF_FileStream::ReadBlock(void* buffer, FX_FILESIZE offset, size_t size)
+{
+ if (!buffer || !size || !m_pFS->ReadBlock) return FALSE;
+
+ if (m_pFS->ReadBlock(m_pFS->clientData, (FPDF_DWORD)offset, buffer, (FPDF_DWORD)size) == 0)
+ {
+ m_nCurPos = offset + size;
+ return TRUE;
+ }
+ return FALSE;
+}
+
+size_t CFPDF_FileStream::ReadBlock(void* buffer, size_t size)
+{
+ if (!buffer || !size || !m_pFS->ReadBlock) return 0;
+
+ FX_FILESIZE nSize = GetSize();
+ if (m_nCurPos >= nSize) return 0;
+ FX_FILESIZE dwAvail = nSize - m_nCurPos;
+ if (dwAvail < (FX_FILESIZE)size) size = (size_t)dwAvail;
+ if (m_pFS->ReadBlock(m_pFS->clientData, (FPDF_DWORD)m_nCurPos, buffer, (FPDF_DWORD)size) == 0)
+ {
+ m_nCurPos += size;
+ return size;
+ }
+
+ return 0;
+}
+
+FX_BOOL CFPDF_FileStream::WriteBlock(const void* buffer, FX_FILESIZE offset, size_t size)
+{
+ if (!m_pFS || !m_pFS->WriteBlock) return FALSE;
+
+ if(m_pFS->WriteBlock(m_pFS->clientData, (FPDF_DWORD)offset, buffer, (FPDF_DWORD)size) == 0)
+ {
+ m_nCurPos = offset + size;
+ return TRUE;
+ }
+ return FALSE;
+}
+
+FX_BOOL CFPDF_FileStream::Flush()
+{
+ if (!m_pFS || !m_pFS->Flush) return TRUE;
+
+ return m_pFS->Flush(m_pFS->clientData) == 0;
+}
CPDF_CustomAccess::CPDF_CustomAccess(FPDF_FILEACCESS* pFileAccess)
{
- if (pFileAccess)
- m_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)
@@ -161,6 +266,9 @@ DLLEXPORT void STDCALL FPDF_InitLibrary(FX_LPVOID hInstance)
#endif
#endif
+ CPDFXFA_App* pAppProvider = FPDFXFA_GetApp();
+ pAppProvider->Initialize();
+
#ifdef _WIN32
// Get module path
TCHAR app_path[MAX_PATH];
@@ -187,6 +295,7 @@ DLLEXPORT void STDCALL FPDF_InitLibrary(FX_LPVOID hInstance)
DLLEXPORT void STDCALL FPDF_DestroyLibrary()
{
+ FPDFXFA_ReleaseApp();
#if _FX_OS_ == _FX_LINUX_EMBEDDED_
if (g_pFontMapper) delete g_pFontMapper;
@@ -254,8 +363,26 @@ DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_LoadDocument(FPDF_STRING file_path, FPDF_BY
ProcessParseError(err_code);
return NULL;
}
- return pParser->GetDocument();
+ CPDF_Document* pPDFDoc = pParser->GetDocument();
+ if (!pPDFDoc)
+ return NULL;
+
+ CPDFXFA_App* pProvider = FPDFXFA_GetApp();
+ CPDFXFA_Document* pDocument = FX_NEW CPDFXFA_Document(pPDFDoc, pProvider);
+ return pDocument;
}
+DLLEXPORT FPDF_BOOL STDCALL FPDF_LoadXFA(FPDF_DOCUMENT document)
+{
+ if (!document||!((CPDFXFA_Document*)document)->GetPDFDoc())
+ return FALSE;
+
+ int iDocType = DOCTYPE_PDF;
+ FX_BOOL hasXFAField = FPDF_HasXFAField(((CPDFXFA_Document*)document)->GetPDFDoc(), iDocType);
+ if (!hasXFAField)
+ return FALSE;
+ return ((CPDFXFA_Document*)document)->LoadXFADoc();
+}
+
extern void CheckUnSupportError(CPDF_Document * pDoc, FX_DWORD err_code);
@@ -297,7 +424,15 @@ DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_LoadMemDocument(const void* data_buf, int s
CPDF_Document * pDoc = NULL;
pDoc = pParser?pParser->GetDocument():NULL;
CheckUnSupportError(pDoc, err_code);
- return pParser->GetDocument();
+ CPDF_Document* pPDFDoc = pParser->GetDocument();
+ if (!pPDFDoc)
+ return NULL;
+
+ CPDFXFA_App* pProvider = FPDFXFA_GetApp();
+ CPDFXFA_Document* pDocument = FX_NEW CPDFXFA_Document(pPDFDoc, pProvider);
+ //pDocument->LoadXFADoc();
+
+ return pDocument;
}
DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_LoadCustomDocument(FPDF_FILEACCESS* pFileAccess, FPDF_BYTESTRING password)
@@ -314,15 +449,26 @@ DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_LoadCustomDocument(FPDF_FILEACCESS* pFileAc
CPDF_Document * pDoc = NULL;
pDoc = pParser?pParser->GetDocument():NULL;
CheckUnSupportError(pDoc, err_code);
- return pParser->GetDocument();
+ CPDF_Document* pPDFDoc = pParser->GetDocument();
+ if (!pPDFDoc)
+ return NULL;
+
+ CPDFXFA_App* pProvider = FPDFXFA_GetApp();
+ CPDFXFA_Document* pDocument = FX_NEW CPDFXFA_Document(pPDFDoc, pProvider);
+ //pDocument->LoadXFADoc();
+
+ return pDocument;
}
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();
+ CPDFXFA_Document* pDoc = (CPDFXFA_Document*)doc;
+ CPDF_Document* pPDFDoc = pDoc->GetPDFDoc();
+ if (!pPDFDoc) return (FX_DWORD)-1;
+ CPDF_Parser* pParser = (CPDF_Parser*)pPDFDoc->GetParser();
+
if(!pParser)
return FALSE;
*fileVersion = pParser->GetFileVersion();
@@ -333,8 +479,10 @@ DLLEXPORT FPDF_BOOL STDCALL FPDF_GetFileVersion(FPDF_DOCUMENT doc, int* fileVers
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();
+ CPDFXFA_Document*pDoc = (CPDFXFA_Document*)document;
+ CPDF_Document* pPDFDoc = pDoc->GetPDFDoc();
+ if (!pPDFDoc) return (FX_DWORD)-1;
+ CPDF_Parser* pParser = (CPDF_Parser*)pPDFDoc->GetParser();
CPDF_Dictionary* pDict = pParser->GetEncryptDict();
if (pDict == NULL) return (FX_DWORD)-1;
@@ -355,38 +503,33 @@ DLLEXPORT int STDCALL FPDF_GetSecurityHandlerRevision(FPDF_DOCUMENT document)
DLLEXPORT int STDCALL FPDF_GetPageCount(FPDF_DOCUMENT document)
{
if (document == NULL) return 0;
- return ((CPDF_Document*)document)->GetPageCount();
+ CPDFXFA_Document* pDoc = (CPDFXFA_Document*)document;
+ return pDoc->GetPageCount();
+// 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;
+ CPDFXFA_Document* pDoc = (CPDFXFA_Document*)document;
+ if (page_index < 0 || page_index >= pDoc->GetPageCount()) 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);
- pPage->ParseContent();
-
-// CheckUnSupportError(pDoc, 0);
-
- return pPage;
+ return pDoc->GetPage(page_index);
}
DLLEXPORT double STDCALL FPDF_GetPageWidth(FPDF_PAGE page)
{
if (!page)
return 0.0;
- return ((CPDF_Page*)page)->GetPageWidth();
+ return ((CPDFXFA_Page*)page)->GetPageWidth();
+// return ((CPDF_Page*)page)->GetPageWidth();
}
DLLEXPORT double STDCALL FPDF_GetPageHeight(FPDF_PAGE page)
{
if (!page) return 0.0;
- return ((CPDF_Page*)page)->GetPageHeight();
+// return ((CPDF_Page*)page)->GetPageHeight();
+ return ((CPDFXFA_Page*)page)->GetPageHeight();
}
void DropContext(void* data)
@@ -408,7 +551,8 @@ DLLEXPORT void STDCALL FPDF_RenderPage(HDC dc, FPDF_PAGE page, int start_x, int
int rotate, int flags)
{
if (page==NULL) return;
- CPDF_Page* pPage = (CPDF_Page*)page;
+ CPDF_Page* pPage = ((CPDFXFA_Page*)page)->GetPDFPage();
+ if (!pPage) return;
CRenderContext* pContext = FX_NEW CRenderContext;
pPage->SetPrivateData((void*)1, pContext, DropContext);
@@ -562,8 +706,8 @@ DLLEXPORT void STDCALL FPDF_RenderPageBitmap(FPDF_BITMAP bitmap, FPDF_PAGE page,
int size_x, int size_y, int rotate, int flags)
{
if (bitmap == NULL || page == NULL) return;
- CPDF_Page* pPage = (CPDF_Page*)page;
-
+ CPDF_Page* pPage = ((CPDFXFA_Page*)page)->GetPDFPage();
+ if (!pPage) return;
CRenderContext* pContext = FX_NEW CRenderContext;
pPage->SetPrivateData((void*)1, pContext, DropContext);
@@ -592,12 +736,14 @@ DLLEXPORT void STDCALL FPDF_RenderPageBitmap(FPDF_BITMAP bitmap, FPDF_PAGE page,
DLLEXPORT void STDCALL FPDF_ClosePage(FPDF_PAGE page)
{
if (!page) return;
- CPDFSDK_PageView* pPageView = (CPDFSDK_PageView*)(((CPDF_Page*)page))->GetPrivateData((FX_LPVOID)page);
- if (pPageView && pPageView->IsLocked()) {
- pPageView->TakeOverPage();
- return;
- }
- delete (CPDF_Page*)page;
+ CPDFXFA_Page* pPage = (CPDFXFA_Page*)page;
+
+ pPage->Release();
+// CPDFXFA_Document* pDoc = pPage->GetDocument();
+// if (pDoc) {
+// pDoc->RemovePage(pPage);
+// }
+// delete (CPDFXFA_Page*)page;
}
@@ -605,14 +751,16 @@ 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;
+ CPDFXFA_Document* pDoc = (CPDFXFA_Document*)document;
+ delete pDoc;
+
+// CPDF_Parser* pParser = (CPDF_Parser*)pDoc->GetParser();
+// if (pParser == NULL)
+// {
+// delete pDoc;
+// return;
+// }
+// delete pParser;
// delete pDoc;
}
@@ -625,34 +773,17 @@ DLLEXPORT void STDCALL FPDF_DeviceToPage(FPDF_PAGE page, int start_x, int start_
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;
+ CPDFXFA_Page* pPage = (CPDFXFA_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);
+ pPage->DeviceToPage(start_x, start_y, size_x, size_y, rotate, device_x, device_y, page_x, page_y);
}
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);
+ CPDFXFA_Page* pPage = (CPDFXFA_Page*)page;
+ pPage->PageToDevice(start_x, start_y, size_x, size_y, rotate, page_x, page_y, device_x, device_y);
}
DLLEXPORT FPDF_BITMAP STDCALL FPDFBitmap_Create(int width, int height, int alpha)
@@ -734,7 +865,7 @@ void FPDF_RenderPage_Retail(CRenderContext* pContext, FPDF_PAGE page, int start_
int rotate, int flags,FX_BOOL bNeedToRestore, IFSDK_PAUSE_Adapter * pause )
{
//#ifdef _LICENSED_BUILD_
- CPDF_Page* pPage = (CPDF_Page*)page;
+ CPDF_Page* pPage = ((CPDFXFA_Page*)page)->GetPDFPage();
if (pPage == NULL) return;
if (!pContext->m_pOptions)
@@ -797,26 +928,43 @@ void FPDF_RenderPage_Retail(CRenderContext* pContext, FPDF_PAGE page, int start_
DLLEXPORT int STDCALL FPDF_GetPageSizeByIndex(FPDF_DOCUMENT document, int page_index, double* width, double* height)
{
- CPDF_Document* pDoc = (CPDF_Document*)document;
- if(pDoc == NULL)
+// 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();
+
+ CPDFXFA_Document* pDoc = (CPDFXFA_Document*)document;
+ if (pDoc == NULL)
return FALSE;
- CPDF_Dictionary* pDict = pDoc->GetPage(page_index);
- if (pDict == NULL) return FALSE;
+ int count = pDoc->GetPageCount();
+ if (page_index < 0 || page_index >= count)
+ return FALSE;
- CPDF_Page page;
- page.Load(pDoc, pDict);
- *width = page.GetPageWidth();
- *height = page.GetPageHeight();
+ CPDFXFA_Page* pPage = pDoc->GetPage(page_index);
+ if (!pPage)
+ return FALSE;
+
+ *width = pPage->GetPageWidth();
+ *height = pPage->GetPageHeight();
return TRUE;
}
DLLEXPORT FPDF_BOOL STDCALL FPDF_VIEWERREF_GetPrintScaling(FPDF_DOCUMENT document)
{
- CPDF_Document* pDoc = (CPDF_Document*)document;
+ CPDFXFA_Document* pDoc = (CPDFXFA_Document*)document;
if (!pDoc) return TRUE;
- CPDF_ViewerPreferences viewRef(pDoc);
+ CPDF_Document* pPDFDoc = pDoc->GetPDFDoc();
+ if (!pPDFDoc) return TRUE;
+ CPDF_ViewerPreferences viewRef(pPDFDoc);
return viewRef.PrintScaling();
}
@@ -858,7 +1006,67 @@ DLLEXPORT FPDF_DEST STDCALL FPDF_GetNamedDestByName(FPDF_DOCUMENT document,FPDF_
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);
+ CPDFXFA_Document* pDoc = (CPDFXFA_Document*)document;
+ CPDF_Document* pPDFDoc = pDoc->GetPDFDoc();
+ if (!pPDFDoc)
+ return NULL;
+ CPDF_NameTree name_tree(pPDFDoc, FX_BSTRC("Dests"));
+ return name_tree.LookupNamedDest(pPDFDoc, name);
+}
+
+FPDF_RESULT FPDF_BStr_Init(FPDF_BSTR* str)
+{
+ if (!str)
+ return -1;
+
+ FXSYS_memset32(str, 0, sizeof(FPDF_BSTR));
+ return 0;
+}
+
+FPDF_RESULT FPDF_BStr_Set(FPDF_BSTR* str, FPDF_LPCSTR bstr, int length)
+{
+ if (!str) return -1;
+ if (!bstr || !length)
+ return -1;
+ if (length == -1)
+ length = FXSYS_strlen(bstr);
+
+ if (length == 0)
+ {
+ if (str->str)
+ {
+ FX_Free(str->str);
+ str->str = NULL;
+ }
+ str->len = 0;
+ return 0;
+ }
+
+ if (str->str && str->len < length)
+ str->str = FX_Realloc(char, str->str, length+1);
+ else if (!str->str)
+ str->str = FX_Alloc(char, length+1);
+
+ str->str[length] = 0;
+ if (str->str == NULL)
+ return -1;
+
+ FXSYS_memcpy(str->str, bstr, length);
+ str->len = length;
+
+ return 0;
+}
+
+FPDF_RESULT FPDF_BStr_Clear(FPDF_BSTR* str)
+{
+ if(!str)
+ return -1;
+
+ if (str->str)
+ {
+ FX_Free(str->str);
+ str->str = NULL;
+ }
+ str->len = 0;
+ return 0;
}