DLLEXPORT FPDF_PAGE STDCALL FPDFPage_New(FPDF_DOCUMENT document,
int page_index,
double width,
double height) {
CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document);
if (!pDoc)
return nullptr;
if (page_index < 0)
page_index = 0;
if (pDoc->GetPageCount() < page_index)
page_index = pDoc->GetPageCount();
CPDF_Dictionary* pPageDict = pDoc->CreateNewPage(page_index);
if (!pPageDict)
return NULL;
CPDF_Array* pMediaBoxArray = new CPDF_Array;
pMediaBoxArray->Add(new CPDF_Number(0));
pMediaBoxArray->Add(new CPDF_Number(0));
pMediaBoxArray->Add(new CPDF_Number(FX_FLOAT(width)));
pMediaBoxArray->Add(new CPDF_Number(FX_FLOAT(height)));
pPageDict->SetAt("MediaBox", pMediaBoxArray);
pPageDict->SetAt("Rotate", new CPDF_Number(0));
pPageDict->SetAt("Resources", new CPDF_Dictionary);
CPDF_Page* pPage = new CPDF_Page;
pPage->Load(pDoc, pPageDict);
pPage->ParseContent();
return pPage;
}
DLLEXPORT FPDF_PAGE STDCALL FPDFPage_New(FPDF_DOCUMENT document,
int page_index,
double width,
double height) {
CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document);
if (!pDoc)
return nullptr;
page_index = std::min(std::max(page_index, 0), pDoc->GetPageCount());
CPDF_Dictionary* pPageDict = pDoc->CreateNewPage(page_index);
if (!pPageDict)
return nullptr;
CPDF_Array* pMediaBoxArray = new CPDF_Array;
pMediaBoxArray->Add(new CPDF_Number(0));
pMediaBoxArray->Add(new CPDF_Number(0));
pMediaBoxArray->Add(new CPDF_Number(FX_FLOAT(width)));
pMediaBoxArray->Add(new CPDF_Number(FX_FLOAT(height)));
pPageDict->SetAt("MediaBox", pMediaBoxArray);
pPageDict->SetAt("Rotate", new CPDF_Number(0));
pPageDict->SetAt("Resources", new CPDF_Dictionary);
#ifdef PDF_ENABLE_XFA
CPDFXFA_Page* pPage =
new CPDFXFA_Page((CPDFXFA_Document*)document, page_index);
pPage->LoadPDFPage(pPageDict);
#else // PDF_ENABLE_XFA
CPDF_Page* pPage = new CPDF_Page(pDoc, pPageDict, true);
pPage->ParseContent();
#endif // PDF_ENABLE_XFA
return pPage;
}
DLLEXPORT FPDF_PAGE STDCALL FPDFPage_New(FPDF_DOCUMENT document, int page_index, double width, double height)
{
if (!document)
return NULL;
// CPDF_Parser* pParser = (CPDF_Parser*)document;
CPDF_Document* pDoc = (CPDF_Document*)document;
if(page_index < 0)
page_index = 0;
if(pDoc->GetPageCount()<page_index)
page_index = pDoc->GetPageCount();
// if (page_index < 0 || page_index >= pDoc->GetPageCount())
// return NULL;
CPDF_Dictionary* pPageDict = pDoc->CreateNewPage(page_index);
if(!pPageDict)
return NULL;
CPDF_Array* pMediaBoxArray = FX_NEW CPDF_Array;
pMediaBoxArray->Add(FX_NEW CPDF_Number(0));
pMediaBoxArray->Add(FX_NEW CPDF_Number(0));
pMediaBoxArray->Add(FX_NEW CPDF_Number(FX_FLOAT(width)));
pMediaBoxArray->Add(FX_NEW CPDF_Number(FX_FLOAT(height)));
pPageDict->SetAt("MediaBox", pMediaBoxArray);
pPageDict->SetAt("Rotate", FX_NEW CPDF_Number(0));
pPageDict->SetAt("Resources", FX_NEW CPDF_Dictionary);
CPDF_Page* pPage = FX_NEW CPDF_Page;
pPage->Load(pDoc,pPageDict);
pPage->ParseContent();
return pPage;
}
DLLEXPORT void STDCALL FPDFPage_SetMediaBox(FPDF_PAGE page, float left, float bottom, float right, float top)
{
if(!page)
return;
CPDF_Page* pPage = (CPDF_Page*)page;
CPDF_Dictionary* pPageDict = pPage->m_pFormDict;
CPDF_Array* pMediaBoxArray = FX_NEW CPDF_Array;
pMediaBoxArray->Add(FX_NEW CPDF_Number(left));
pMediaBoxArray->Add(FX_NEW CPDF_Number(bottom));
pMediaBoxArray->Add(FX_NEW CPDF_Number(FX_FLOAT(right)));
pMediaBoxArray->Add(FX_NEW CPDF_Number(FX_FLOAT(top)));
pPageDict->SetAt("MediaBox", pMediaBoxArray);
}
CFDF_Document* CPDF_InterForm::ExportToFDF(
const CFX_WideStringC& pdf_path,
const std::vector<CPDF_FormField*>& fields,
bool bIncludeOrExclude,
bool bSimpleFileSpec) const {
CFDF_Document* pDoc = CFDF_Document::CreateNewDoc();
if (!pDoc)
return nullptr;
CPDF_Dictionary* pMainDict = pDoc->GetRoot()->GetDictBy("FDF");
if (!pdf_path.IsEmpty()) {
if (bSimpleFileSpec) {
CFX_WideString wsFilePath = CPDF_FileSpec::EncodeFileName(pdf_path);
pMainDict->SetAtString("F", CFX_ByteString::FromUnicode(wsFilePath));
pMainDict->SetAtString("UF", PDF_EncodeText(wsFilePath));
} else {
CPDF_FileSpec filespec;
filespec.SetFileName(pdf_path);
pMainDict->SetAt("F", filespec.GetObj());
}
}
CPDF_Array* pFields = new CPDF_Array;
pMainDict->SetAt("Fields", pFields);
int nCount = m_pFieldTree->m_Root.CountFields();
for (int i = 0; i < nCount; i++) {
CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(i);
if (!pField || pField->GetType() == CPDF_FormField::PushButton)
continue;
uint32_t dwFlags = pField->GetFieldFlags();
if (dwFlags & 0x04)
continue;
if (bIncludeOrExclude == pdfium::ContainsValue(fields, pField)) {
if ((dwFlags & 0x02) != 0 && pField->m_pDict->GetStringBy("V").IsEmpty())
continue;
CFX_WideString fullname = FPDF_GetFullName(pField->GetFieldDict());
CPDF_Dictionary* pFieldDict = new CPDF_Dictionary;
pFieldDict->SetAt("T", new CPDF_String(fullname));
if (pField->GetType() == CPDF_FormField::CheckBox ||
pField->GetType() == CPDF_FormField::RadioButton) {
CFX_WideString csExport = pField->GetCheckValue(FALSE);
CFX_ByteString csBExport = PDF_EncodeText(csExport);
CPDF_Object* pOpt = FPDF_GetFieldAttr(pField->m_pDict, "Opt");
if (pOpt)
pFieldDict->SetAtString("V", csBExport);
else
pFieldDict->SetAtName("V", csBExport);
} else {
CPDF_Object* pV = FPDF_GetFieldAttr(pField->m_pDict, "V");
if (pV)
pFieldDict->SetAt("V", pV->CloneDirectObject());
}
pFields->Add(pFieldDict);
}
}
return pDoc;
}
static int InsertNewPage(CPDF_Document* pDoc, int iPage, CPDF_Dictionary* pPageDict, CFX_DWordArray &pageList)
{
CPDF_Dictionary* pRoot = pDoc->GetRoot();
if (!pRoot) {
return -1;
}
CPDF_Dictionary* pPages = pRoot->GetDict(FX_BSTRC("Pages"));
if (!pPages) {
return -1;
}
int nPages = pDoc->GetPageCount();
if (iPage < 0 || iPage > nPages) {
return -1;
}
if (iPage == nPages) {
CPDF_Array* pPagesList = pPages->GetArray(FX_BSTRC("Kids"));
if (!pPagesList) {
pPagesList = FX_NEW CPDF_Array;
pPages->SetAt(FX_BSTRC("Kids"), pPagesList);
}
pPagesList->Add(pPageDict, pDoc);
pPages->SetAtInteger(FX_BSTRC("Count"), nPages + 1);
pPageDict->SetAtReference(FX_BSTRC("Parent"), pDoc, pPages->GetObjNum());
} else {
CFX_PtrArray stack;
stack.Add(pPages);
if (InsertDeletePDFPage(pDoc, pPages, iPage, pPageDict, TRUE, stack) < 0) {
return -1;
}
}
pageList.InsertAt(iPage, pPageDict->GetObjNum());
return iPage;
}
FPDF_EXPORT void FPDF_CALLCONV FPDFPage_InsertClipPath(FPDF_PAGE page,
FPDF_CLIPPATH clipPath) {
CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
if (!pPage)
return;
CPDF_Dictionary* pPageDict = pPage->GetDict();
CPDF_Object* pContentObj = GetPageContent(pPageDict);
if (!pContentObj)
return;
std::ostringstream strClip;
CPDF_ClipPath* pClipPath = CPDFClipPathFromFPDFClipPath(clipPath);
for (size_t i = 0; i < pClipPath->GetPathCount(); ++i) {
CPDF_Path path = pClipPath->GetPath(i);
if (path.GetPoints().empty()) {
// Empty clipping (totally clipped out)
strClip << "0 0 m W n ";
} else {
OutputPath(strClip, path);
if (pClipPath->GetClipType(i) == FXFILL_WINDING)
strClip << "W n\n";
else
strClip << "W* n\n";
}
}
CPDF_Document* pDoc = pPage->GetDocument();
if (!pDoc)
return;
CPDF_Stream* pStream =
pDoc->NewIndirect<CPDF_Stream>(nullptr, 0, pDoc->New<CPDF_Dictionary>());
pStream->SetDataFromStringstream(&strClip);
if (CPDF_Array* pArray = ToArray(pContentObj)) {
pArray->InsertAt(0, pStream->MakeReference(pDoc));
} else if (pContentObj->IsStream() && !pContentObj->IsInline()) {
CPDF_Array* pContentArray = pDoc->NewIndirect<CPDF_Array>();
pContentArray->Add(pStream->MakeReference(pDoc));
pContentArray->Add(pContentObj->MakeReference(pDoc));
pPageDict->SetFor(pdfium::page_object::kContents,
pContentArray->MakeReference(pDoc));
}
}
void CPDF_Image::SetImage(const CFX_DIBitmap* pBitmap,
int32_t iCompress,
IFX_FileWrite* pFileWrite,
IFX_FileRead* pFileRead,
const CFX_DIBitmap* pMask,
const CPDF_ImageSetParam* pParam) {
int32_t BitmapWidth = pBitmap->GetWidth();
int32_t BitmapHeight = pBitmap->GetHeight();
if (BitmapWidth < 1 || BitmapHeight < 1) {
return;
}
uint8_t* src_buf = pBitmap->GetBuffer();
int32_t src_pitch = pBitmap->GetPitch();
int32_t bpp = pBitmap->GetBPP();
FX_BOOL bUseMatte =
pParam && pParam->pMatteColor && (pBitmap->GetFormat() == FXDIB_Argb);
CPDF_Dictionary* pDict = new CPDF_Dictionary;
pDict->SetAtName("Type", "XObject");
pDict->SetAtName("Subtype", "Image");
pDict->SetAtInteger("Width", BitmapWidth);
pDict->SetAtInteger("Height", BitmapHeight);
uint8_t* dest_buf = NULL;
FX_STRSIZE dest_pitch = 0, dest_size = 0, opType = -1;
if (bpp == 1) {
int32_t reset_a = 0, reset_r = 0, reset_g = 0, reset_b = 0;
int32_t set_a = 0, set_r = 0, set_g = 0, set_b = 0;
if (!pBitmap->IsAlphaMask()) {
ArgbDecode(pBitmap->GetPaletteArgb(0), reset_a, reset_r, reset_g,
reset_b);
ArgbDecode(pBitmap->GetPaletteArgb(1), set_a, set_r, set_g, set_b);
}
if (set_a == 0 || reset_a == 0) {
pDict->SetAt("ImageMask", new CPDF_Boolean(TRUE));
if (reset_a == 0) {
CPDF_Array* pArray = new CPDF_Array;
pArray->AddInteger(1);
pArray->AddInteger(0);
pDict->SetAt("Decode", pArray);
}
} else {
CPDF_Array* pCS = new CPDF_Array;
pCS->AddName("Indexed");
pCS->AddName("DeviceRGB");
pCS->AddInteger(1);
CFX_ByteString ct;
FX_CHAR* pBuf = ct.GetBuffer(6);
pBuf[0] = (FX_CHAR)reset_r;
pBuf[1] = (FX_CHAR)reset_g;
pBuf[2] = (FX_CHAR)reset_b;
pBuf[3] = (FX_CHAR)set_r;
pBuf[4] = (FX_CHAR)set_g;
pBuf[5] = (FX_CHAR)set_b;
ct.ReleaseBuffer(6);
pCS->Add(new CPDF_String(ct, TRUE));
pDict->SetAt("ColorSpace", pCS);
}
pDict->SetAtInteger("BitsPerComponent", 1);
dest_pitch = (BitmapWidth + 7) / 8;
if ((iCompress & 0x03) == PDF_IMAGE_NO_COMPRESS) {
opType = 1;
} else {
opType = 0;
}
} else if (bpp == 8) {
int32_t iPalette = pBitmap->GetPaletteSize();
if (iPalette > 0) {
CPDF_Array* pCS = new CPDF_Array;
m_pDocument->AddIndirectObject(pCS);
pCS->AddName("Indexed");
pCS->AddName("DeviceRGB");
pCS->AddInteger(iPalette - 1);
uint8_t* pColorTable = FX_Alloc2D(uint8_t, iPalette, 3);
uint8_t* ptr = pColorTable;
for (int32_t i = 0; i < iPalette; i++) {
FX_DWORD argb = pBitmap->GetPaletteArgb(i);
ptr[0] = (uint8_t)(argb >> 16);
ptr[1] = (uint8_t)(argb >> 8);
ptr[2] = (uint8_t)argb;
ptr += 3;
}
CPDF_Stream* pCTS =
new CPDF_Stream(pColorTable, iPalette * 3, new CPDF_Dictionary);
m_pDocument->AddIndirectObject(pCTS);
pCS->AddReference(m_pDocument, pCTS);
pDict->SetAtReference("ColorSpace", m_pDocument, pCS);
} else {
CPDF_Object* CPDF_StreamParser::ReadNextObject(FX_BOOL bAllowNestedArray, FX_BOOL bInArray)
{
FX_BOOL bIsNumber;
GetNextWord(bIsNumber);
if (m_WordSize == 0) {
return NULL;
}
if (bIsNumber) {
m_WordBuffer[m_WordSize] = 0;
return CPDF_Number::Create(CFX_ByteStringC(m_WordBuffer, m_WordSize));
}
int first_char = m_WordBuffer[0];
if (first_char == '/') {
return CPDF_Name::Create(PDF_NameDecode(CFX_ByteStringC(m_WordBuffer + 1, m_WordSize - 1)));
}
if (first_char == '(') {
return CPDF_String::Create(ReadString());
}
if (first_char == '<') {
if (m_WordSize == 1) {
return CPDF_String::Create(ReadHexString(), TRUE);
}
CPDF_Dictionary* pDict = CPDF_Dictionary::Create();
while (1) {
GetNextWord(bIsNumber);
if (m_WordSize == 0) {
pDict->Release();
return NULL;
}
if (m_WordSize == 2 && m_WordBuffer[0] == '>') {
break;
}
if (m_WordBuffer[0] != '/') {
pDict->Release();
return NULL;
}
CFX_ByteString key = PDF_NameDecode(CFX_ByteStringC(m_WordBuffer + 1, m_WordSize - 1));
CPDF_Object* pObj = ReadNextObject(TRUE);
if (pObj == NULL) {
if (pDict) {
pDict->Release();
}
return NULL;
}
if (!key.IsEmpty()) {
pDict->SetAt(key, pObj);
} else {
pObj->Release();
}
}
return pDict;
}
if (first_char == '[') {
if (!bAllowNestedArray && bInArray) {
return NULL;
}
CPDF_Array* pArray = CPDF_Array::Create();
while (1) {
CPDF_Object* pObj = ReadNextObject(bAllowNestedArray, TRUE);
if (pObj == NULL) {
if (m_WordSize == 0 || m_WordBuffer[0] == ']') {
return pArray;
}
if (m_WordBuffer[0] == '[') {
continue;
}
} else {
pArray->Add(pObj);
}
}
}
if (m_WordSize == 4) {
if (*(FX_DWORD*)m_WordBuffer == FXDWORD_TRUE) {
return CPDF_Boolean::Create(TRUE);
}
if (*(FX_DWORD*)m_WordBuffer == FXDWORD_NULL) {
return CPDF_Null::Create();
}
} else if (m_WordSize == 5) {
if (*(FX_DWORD*)m_WordBuffer == FXDWORD_FALS && m_WordBuffer[4] == 'e') {
return CPDF_Boolean::Create(FALSE);
}
}
return NULL;
}
std::unique_ptr<CFDF_Document> CPDF_InterForm::ExportToFDF(
const CFX_WideStringC& pdf_path,
const std::vector<CPDF_FormField*>& fields,
bool bIncludeOrExclude,
bool bSimpleFileSpec) const {
std::unique_ptr<CFDF_Document> pDoc = CFDF_Document::CreateNewDoc();
if (!pDoc)
return nullptr;
CPDF_Dictionary* pMainDict = pDoc->GetRoot()->GetDictFor("FDF");
if (!pdf_path.IsEmpty()) {
if (bSimpleFileSpec) {
CFX_WideString wsFilePath = CPDF_FileSpec::EncodeFileName(pdf_path);
pMainDict->SetNewFor<CPDF_String>(
"F", CFX_ByteString::FromUnicode(wsFilePath), false);
pMainDict->SetNewFor<CPDF_String>("UF", PDF_EncodeText(wsFilePath),
false);
} else {
CPDF_FileSpec filespec(pDoc->GetByteStringPool());
filespec.SetFileName(pdf_path);
pMainDict->SetFor("F", pdfium::WrapUnique(filespec.GetObj()));
}
}
CPDF_Array* pFields = pMainDict->SetNewFor<CPDF_Array>("Fields");
size_t nCount = m_pFieldTree->m_Root.CountFields();
for (size_t i = 0; i < nCount; ++i) {
CPDF_FormField* pField = m_pFieldTree->m_Root.GetFieldAtIndex(i);
if (!pField || pField->GetType() == CPDF_FormField::PushButton)
continue;
uint32_t dwFlags = pField->GetFieldFlags();
if (dwFlags & 0x04)
continue;
if (bIncludeOrExclude == pdfium::ContainsValue(fields, pField)) {
if ((dwFlags & 0x02) != 0 && pField->m_pDict->GetStringFor("V").IsEmpty())
continue;
CFX_WideString fullname = FPDF_GetFullName(pField->GetFieldDict());
auto pFieldDict =
pdfium::MakeUnique<CPDF_Dictionary>(pDoc->GetByteStringPool());
pFieldDict->SetNewFor<CPDF_String>("T", fullname);
if (pField->GetType() == CPDF_FormField::CheckBox ||
pField->GetType() == CPDF_FormField::RadioButton) {
CFX_WideString csExport = pField->GetCheckValue(false);
CFX_ByteString csBExport = PDF_EncodeText(csExport);
CPDF_Object* pOpt = FPDF_GetFieldAttr(pField->m_pDict, "Opt");
if (pOpt)
pFieldDict->SetNewFor<CPDF_String>("V", csBExport, false);
else
pFieldDict->SetNewFor<CPDF_Name>("V", csBExport);
} else {
CPDF_Object* pV = FPDF_GetFieldAttr(pField->m_pDict, "V");
if (pV)
pFieldDict->SetFor("V", pV->CloneDirectObject());
}
pFields->Add(std::move(pFieldDict));
}
}
return pDoc;
}
CFDF_Document* CPDF_InterForm::ExportToFDF(
const CFX_WideStringC& pdf_path,
const std::vector<CPDF_FormField*>& fields,
bool bIncludeOrExclude,
bool bSimpleFileSpec) const {
CFDF_Document* pDoc = CFDF_Document::CreateNewDoc();
if (pDoc == NULL) {
return NULL;
}
CPDF_Dictionary* pMainDict = pDoc->GetRoot()->GetDict("FDF");
if (!pdf_path.IsEmpty()) {
if (bSimpleFileSpec) {
CFX_WideString wsFilePath = FILESPEC_EncodeFileName(pdf_path);
pMainDict->SetAtString(FX_BSTRC("F"),
CFX_ByteString::FromUnicode(wsFilePath));
pMainDict->SetAtString(FX_BSTRC("UF"), PDF_EncodeText(wsFilePath));
} else {
CPDF_FileSpec filespec;
filespec.SetFileName(pdf_path);
pMainDict->SetAt("F", static_cast<CPDF_Object*>(filespec));
}
}
CPDF_Array* pFields = CPDF_Array::Create();
if (pFields == NULL) {
return NULL;
}
pMainDict->SetAt("Fields", pFields);
int nCount = m_pFieldTree->m_Root.CountFields();
for (int i = 0; i < nCount; i++) {
CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(i);
if (pField == NULL || pField->GetType() == CPDF_FormField::PushButton) {
continue;
}
FX_DWORD dwFlags = pField->GetFieldFlags();
if (dwFlags & 0x04)
continue;
auto it = std::find(fields.begin(), fields.end(), pField);
if (bIncludeOrExclude == (it != fields.end())) {
if ((dwFlags & 0x02) != 0 && pField->m_pDict->GetString("V").IsEmpty())
continue;
CFX_WideString fullname = GetFullName(pField->GetFieldDict());
CPDF_Dictionary* pFieldDict = CPDF_Dictionary::Create();
if (!pFieldDict)
return nullptr;
CPDF_String* pString = CPDF_String::Create(fullname);
if (!pString) {
pFieldDict->Release();
return nullptr;
}
pFieldDict->SetAt("T", pString);
if (pField->GetType() == CPDF_FormField::CheckBox ||
pField->GetType() == CPDF_FormField::RadioButton) {
CFX_WideString csExport = pField->GetCheckValue(FALSE);
CFX_ByteString csBExport = PDF_EncodeText(csExport);
CPDF_Object* pOpt = FPDF_GetFieldAttr(pField->m_pDict, "Opt");
if (pOpt)
pFieldDict->SetAtString("V", csBExport);
else
pFieldDict->SetAtName("V", csBExport);
} else {
CPDF_Object* pV = FPDF_GetFieldAttr(pField->m_pDict, "V");
if (pV)
pFieldDict->SetAt("V", pV->Clone(TRUE));
}
pFields->Add(pFieldDict);
}
}
return pDoc;
}
DLLEXPORT int STDCALL FPDFPage_Flatten( FPDF_PAGE page, int nFlag)
{
if (!page)
{
return FLATTEN_FAIL;
}
CPDF_Page * pPage = (CPDF_Page*)( page );
CPDF_Document * pDocument = pPage->m_pDocument;
CPDF_Dictionary * pPageDict = pPage->m_pFormDict;
if ( !pDocument || !pPageDict )
{
return FLATTEN_FAIL;
}
CPDF_ObjectArray ObjectArray;
CPDF_RectArray RectArray;
int iRet = FLATTEN_FAIL;
iRet = ParserAnnots( pDocument, pPageDict, &RectArray, &ObjectArray, nFlag);
if (iRet == FLATTEN_NOTINGTODO)
{
return FLATTEN_NOTINGTODO;
}else if (iRet == FLATTEN_FAIL)
{
return FLATTEN_FAIL;
}
CPDF_Rect rcOriginalCB;
CPDF_Rect rcMerger = CalculateRect( &RectArray );
CPDF_Rect rcOriginalMB = pPageDict->GetRect("MediaBox");
if (pPageDict->KeyExist("CropBox"))
rcOriginalMB = pPageDict->GetRect("CropBox");
if (rcOriginalMB.IsEmpty())
{
rcOriginalMB = CPDF_Rect(0.0f, 0.0f, 612.0f, 792.0f);
}
rcMerger.left = rcMerger.left < rcOriginalMB.left? rcOriginalMB.left : rcMerger.left;
rcMerger.right = rcMerger.right > rcOriginalMB.right? rcOriginalMB.right : rcMerger.right;
rcMerger.top = rcMerger.top > rcOriginalMB.top? rcOriginalMB.top : rcMerger.top;
rcMerger.bottom = rcMerger.bottom < rcOriginalMB.bottom? rcOriginalMB.bottom : rcMerger.bottom;
if (pPageDict->KeyExist("ArtBox"))
rcOriginalCB = pPageDict->GetRect("ArtBox");
else
rcOriginalCB = rcOriginalMB;
if (!rcOriginalMB.IsEmpty())
{
CPDF_Array* pMediaBox = FX_NEW CPDF_Array();
pMediaBox->Add(FX_NEW CPDF_Number(rcOriginalMB.left));
pMediaBox->Add(FX_NEW CPDF_Number(rcOriginalMB.bottom));
pMediaBox->Add(FX_NEW CPDF_Number(rcOriginalMB.right));
pMediaBox->Add(FX_NEW CPDF_Number(rcOriginalMB.top));
pPageDict->SetAt("MediaBox",pMediaBox);
}
if (!rcOriginalCB.IsEmpty())
{
CPDF_Array* pCropBox = FX_NEW CPDF_Array();
pCropBox->Add(FX_NEW CPDF_Number(rcOriginalCB.left));
pCropBox->Add(FX_NEW CPDF_Number(rcOriginalCB.bottom));
pCropBox->Add(FX_NEW CPDF_Number(rcOriginalCB.right));
pCropBox->Add(FX_NEW CPDF_Number(rcOriginalCB.top));
pPageDict->SetAt("ArtBox", pCropBox);
}
CPDF_Dictionary* pRes = NULL;
pRes = pPageDict->GetDict("Resources");
if (!pRes)
{
pRes = FX_NEW CPDF_Dictionary;
pPageDict->SetAt( "Resources", pRes );
}
CPDF_Stream* pNewXObject = FX_NEW CPDF_Stream(NULL, 0, FX_NEW CPDF_Dictionary);
FX_DWORD dwObjNum = pDocument->AddIndirectObject(pNewXObject);
CPDF_Dictionary* pPageXObject = pRes->GetDict("XObject");
if (!pPageXObject)
{
pPageXObject = FX_NEW CPDF_Dictionary;
pRes->SetAt("XObject", pPageXObject);
}
CFX_ByteString key = "";
int nStreams = ObjectArray.GetSize();
if (nStreams > 0)
{
for (int iKey = 0; /*iKey < 100*/; iKey++)
{
char sExtend[5] = {0};
FXSYS_itoa(iKey, sExtend, 10);
key = CFX_ByteString("FFT") + CFX_ByteString(sExtend);
if (!pPageXObject->KeyExist(key))
break;
}
}
SetPageContents(key, pPageDict, pDocument);
CPDF_Dictionary* pNewXORes = NULL;
if (!key.IsEmpty())
{
pPageXObject->SetAtReference(key, pDocument, dwObjNum);
CPDF_Dictionary* pNewOXbjectDic = pNewXObject->GetDict();
pNewXORes = FX_NEW CPDF_Dictionary;
pNewOXbjectDic->SetAt("Resources", pNewXORes);
pNewOXbjectDic->SetAtName("Type", "XObject");
pNewOXbjectDic->SetAtName("Subtype", "Form");
pNewOXbjectDic->SetAtInteger("FormType", 1);
pNewOXbjectDic->SetAtName("Name", "FRM");
CPDF_Rect rcBBox = pPageDict->GetRect("ArtBox");
pNewOXbjectDic->SetAtRect("BBox", rcBBox);
}
for (int i = 0; i < nStreams; i++)
{
CPDF_Dictionary* pAnnotDic = ObjectArray.GetAt(i);
if (!pAnnotDic)continue;
CPDF_Rect rcAnnot = pAnnotDic->GetRect("Rect");
rcAnnot.Normalize();
CFX_ByteString sAnnotState = pAnnotDic->GetString("AS");
CPDF_Dictionary* pAnnotAP = pAnnotDic->GetDict("AP");
if (!pAnnotAP)continue;
CPDF_Stream* pAPStream = pAnnotAP->GetStream("N");
if (!pAPStream)
{
CPDF_Dictionary* pAPDic = pAnnotAP->GetDict("N");
if (!pAPDic)continue;
if (!sAnnotState.IsEmpty())
{
pAPStream = pAPDic->GetStream(sAnnotState);
}
else
{
FX_POSITION pos = pAPDic->GetStartPos();
if (pos)
{
CFX_ByteString sKey;
CPDF_Object* pFirstObj = pAPDic->GetNextElement(pos, sKey);
if (pFirstObj)
{
if (pFirstObj->GetType() == PDFOBJ_REFERENCE)
pFirstObj = pFirstObj->GetDirect();
if (pFirstObj->GetType() != PDFOBJ_STREAM)
continue;
pAPStream = (CPDF_Stream*)pFirstObj;
}
}
}
}
if (!pAPStream)continue;
CPDF_Dictionary* pAPDic = pAPStream->GetDict();
CFX_AffineMatrix matrix = pAPDic->GetMatrix("Matrix");
CPDF_Rect rcStream;
if (pAPDic->KeyExist("Rect"))
rcStream = pAPDic->GetRect("Rect");
else if (pAPDic->KeyExist("BBox"))
rcStream = pAPDic->GetRect("BBox");
if (rcStream.IsEmpty())continue;
CPDF_Object* pObj = pAPStream;
if (pObj)
{
CPDF_Dictionary* pObjDic = pObj->GetDict();
if (pObjDic)
{
pObjDic->SetAtName("Type", "XObject");
pObjDic->SetAtName("Subtype", "Form");
}
}
CPDF_Dictionary* pXObject = pNewXORes->GetDict("XObject");
if (!pXObject)
{
pXObject = FX_NEW CPDF_Dictionary;
pNewXORes->SetAt("XObject", pXObject);
}
CFX_ByteString sFormName;
sFormName.Format("F%d", i);
FX_DWORD dwObjNum = pDocument->AddIndirectObject(pObj);
pXObject->SetAtReference(sFormName, pDocument, dwObjNum);
CPDF_StreamAcc acc;
acc.LoadAllData(pNewXObject);
FX_LPCBYTE pData = acc.GetData();
CFX_ByteString sStream(pData, acc.GetSize());
CFX_ByteString sTemp;
if (matrix.IsIdentity())
{
matrix.a = 1.0f;
matrix.b = 0.0f;
matrix.c = 0.0f;
matrix.d = 1.0f;
matrix.e = 0.0f;
matrix.f = 0.0f;
}
CFX_AffineMatrix m = GetMatrix(rcAnnot, rcStream, matrix);
sTemp.Format("q %f 0 0 %f %f %f cm /%s Do Q\n", m.a, m.d, m.e, m.f, sFormName.c_str());
sStream += sTemp;
pNewXObject->SetData((FX_LPCBYTE)sStream, sStream.GetLength(), FALSE, FALSE);
}
pPageDict->RemoveAt( "Annots" );
ObjectArray.RemoveAll();
RectArray.RemoveAll();
return FLATTEN_SUCCESS;
}
DLLEXPORT int STDCALL FPDFPage_Flatten(FPDF_PAGE page, int nFlag) {
CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
if (!page) {
return FLATTEN_FAIL;
}
CPDF_Document* pDocument = pPage->m_pDocument;
CPDF_Dictionary* pPageDict = pPage->m_pFormDict;
if (!pDocument || !pPageDict) {
return FLATTEN_FAIL;
}
CPDF_ObjectArray ObjectArray;
CPDF_RectArray RectArray;
int iRet = FLATTEN_FAIL;
iRet = ParserAnnots(pDocument, pPageDict, &RectArray, &ObjectArray, nFlag);
if (iRet == FLATTEN_NOTHINGTODO || iRet == FLATTEN_FAIL)
return iRet;
CFX_FloatRect rcOriginalCB;
CFX_FloatRect rcMerger = CalculateRect(&RectArray);
CFX_FloatRect rcOriginalMB = pPageDict->GetRectFor("MediaBox");
if (pPageDict->KeyExist("CropBox"))
rcOriginalMB = pPageDict->GetRectFor("CropBox");
if (rcOriginalMB.IsEmpty()) {
rcOriginalMB = CFX_FloatRect(0.0f, 0.0f, 612.0f, 792.0f);
}
rcMerger.left =
rcMerger.left < rcOriginalMB.left ? rcOriginalMB.left : rcMerger.left;
rcMerger.right =
rcMerger.right > rcOriginalMB.right ? rcOriginalMB.right : rcMerger.right;
rcMerger.top =
rcMerger.top > rcOriginalMB.top ? rcOriginalMB.top : rcMerger.top;
rcMerger.bottom = rcMerger.bottom < rcOriginalMB.bottom ? rcOriginalMB.bottom
: rcMerger.bottom;
if (pPageDict->KeyExist("ArtBox"))
rcOriginalCB = pPageDict->GetRectFor("ArtBox");
else
rcOriginalCB = rcOriginalMB;
if (!rcOriginalMB.IsEmpty()) {
CPDF_Array* pMediaBox = new CPDF_Array();
pMediaBox->Add(new CPDF_Number(rcOriginalMB.left));
pMediaBox->Add(new CPDF_Number(rcOriginalMB.bottom));
pMediaBox->Add(new CPDF_Number(rcOriginalMB.right));
pMediaBox->Add(new CPDF_Number(rcOriginalMB.top));
pPageDict->SetFor("MediaBox", pMediaBox);
}
if (!rcOriginalCB.IsEmpty()) {
CPDF_Array* pCropBox = new CPDF_Array();
pCropBox->Add(new CPDF_Number(rcOriginalCB.left));
pCropBox->Add(new CPDF_Number(rcOriginalCB.bottom));
pCropBox->Add(new CPDF_Number(rcOriginalCB.right));
pCropBox->Add(new CPDF_Number(rcOriginalCB.top));
pPageDict->SetFor("ArtBox", pCropBox);
}
CPDF_Dictionary* pRes = pPageDict->GetDictFor("Resources");
if (!pRes) {
pRes = new CPDF_Dictionary(pDocument->GetByteStringPool());
pPageDict->SetFor("Resources", pRes);
}
CPDF_Stream* pNewXObject = new CPDF_Stream(
nullptr, 0, new CPDF_Dictionary(pDocument->GetByteStringPool()));
uint32_t dwObjNum = pDocument->AddIndirectObject(pNewXObject);
CPDF_Dictionary* pPageXObject = pRes->GetDictFor("XObject");
if (!pPageXObject) {
pPageXObject = new CPDF_Dictionary(pDocument->GetByteStringPool());
pRes->SetFor("XObject", pPageXObject);
}
CFX_ByteString key = "";
int nStreams = ObjectArray.GetSize();
if (nStreams > 0) {
for (int iKey = 0; /*iKey < 100*/; iKey++) {
char sExtend[5] = {};
FXSYS_itoa(iKey, sExtend, 10);
key = CFX_ByteString("FFT") + CFX_ByteString(sExtend);
if (!pPageXObject->KeyExist(key))
break;
}
}
SetPageContents(key, pPageDict, pDocument);
CPDF_Dictionary* pNewXORes = nullptr;
if (!key.IsEmpty()) {
pPageXObject->SetReferenceFor(key, pDocument, dwObjNum);
CPDF_Dictionary* pNewOXbjectDic = pNewXObject->GetDict();
pNewXORes = new CPDF_Dictionary(pDocument->GetByteStringPool());
pNewOXbjectDic->SetFor("Resources", pNewXORes);
pNewOXbjectDic->SetNameFor("Type", "XObject");
pNewOXbjectDic->SetNameFor("Subtype", "Form");
pNewOXbjectDic->SetIntegerFor("FormType", 1);
pNewOXbjectDic->SetNameFor("Name", "FRM");
CFX_FloatRect rcBBox = pPageDict->GetRectFor("ArtBox");
pNewOXbjectDic->SetRectFor("BBox", rcBBox);
}
for (int i = 0; i < nStreams; i++) {
CPDF_Dictionary* pAnnotDic = ObjectArray.GetAt(i);
if (!pAnnotDic)
continue;
CFX_FloatRect rcAnnot = pAnnotDic->GetRectFor("Rect");
rcAnnot.Normalize();
CFX_ByteString sAnnotState = pAnnotDic->GetStringFor("AS");
CPDF_Dictionary* pAnnotAP = pAnnotDic->GetDictFor("AP");
if (!pAnnotAP)
continue;
CPDF_Stream* pAPStream = pAnnotAP->GetStreamFor("N");
if (!pAPStream) {
CPDF_Dictionary* pAPDic = pAnnotAP->GetDictFor("N");
if (!pAPDic)
continue;
if (!sAnnotState.IsEmpty()) {
pAPStream = pAPDic->GetStreamFor(sAnnotState);
} else {
auto it = pAPDic->begin();
if (it != pAPDic->end()) {
CPDF_Object* pFirstObj = it->second;
if (pFirstObj) {
if (pFirstObj->IsReference())
pFirstObj = pFirstObj->GetDirect();
if (!pFirstObj->IsStream())
continue;
pAPStream = pFirstObj->AsStream();
}
}
}
}
if (!pAPStream)
continue;
CPDF_Dictionary* pAPDic = pAPStream->GetDict();
CFX_Matrix matrix = pAPDic->GetMatrixFor("Matrix");
CFX_FloatRect rcStream;
if (pAPDic->KeyExist("Rect"))
rcStream = pAPDic->GetRectFor("Rect");
else if (pAPDic->KeyExist("BBox"))
rcStream = pAPDic->GetRectFor("BBox");
if (rcStream.IsEmpty())
continue;
CPDF_Object* pObj = pAPStream;
if (pObj) {
CPDF_Dictionary* pObjDic = pObj->GetDict();
if (pObjDic) {
pObjDic->SetNameFor("Type", "XObject");
pObjDic->SetNameFor("Subtype", "Form");
}
}
CPDF_Dictionary* pXObject = pNewXORes->GetDictFor("XObject");
if (!pXObject) {
pXObject = new CPDF_Dictionary(pDocument->GetByteStringPool());
pNewXORes->SetFor("XObject", pXObject);
}
CFX_ByteString sFormName;
sFormName.Format("F%d", i);
pXObject->SetReferenceFor(sFormName, pDocument,
pDocument->AddIndirectObject(pObj));
CPDF_StreamAcc acc;
acc.LoadAllData(pNewXObject);
const uint8_t* pData = acc.GetData();
CFX_ByteString sStream(pData, acc.GetSize());
if (matrix.IsIdentity()) {
matrix.a = 1.0f;
matrix.b = 0.0f;
matrix.c = 0.0f;
matrix.d = 1.0f;
matrix.e = 0.0f;
matrix.f = 0.0f;
}
CFX_ByteString sTemp;
CFX_Matrix m = GetMatrix(rcAnnot, rcStream, matrix);
sTemp.Format("q %f 0 0 %f %f %f cm /%s Do Q\n", m.a, m.d, m.e, m.f,
sFormName.c_str());
sStream += sTemp;
pNewXObject->SetData(sStream.raw_str(), sStream.GetLength());
}
pPageDict->RemoveFor("Annots");
ObjectArray.RemoveAll();
RectArray.RemoveAll();
return FLATTEN_SUCCESS;
}
