FX_BOOL GetContentsRect( CPDF_Document * pDoc, CPDF_Dictionary* pDict, CPDF_RectArray * pRectArray )
{
CPDF_Page* pPDFPage = FX_NEW CPDF_Page;
pPDFPage->Load( pDoc, pDict, FALSE );
pPDFPage->ParseContent();
FX_POSITION pos = pPDFPage->GetFirstObjectPosition();
while (pos)
{
CPDF_PageObject* pPageObject = pPDFPage->GetNextObject(pos);
if (!pPageObject)continue;
CPDF_Rect rc;
rc.left = pPageObject->m_Left;
rc.right = pPageObject->m_Right;
rc.bottom = pPageObject->m_Bottom;
rc.top = pPageObject->m_Top;
if (IsValiableRect(rc, pDict->GetRect("MediaBox")))
{
pRectArray->Add(rc);
}
}
delete pPDFPage;
return TRUE;
}
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;
}
void PDF_GetPageText_Unicode(CFX_WideStringArray& lines, CPDF_Document* pDoc, CPDF_Dictionary* pPage,
int iMinWidth, FX_DWORD flags)
{
lines.RemoveAll();
if (pPage == NULL) {
return;
}
CPDF_Page page;
page.Load(pDoc, pPage);
CPDF_ParseOptions options;
options.m_bTextOnly = TRUE;
options.m_bSeparateForm = FALSE;
page.ParseContent(&options);
CFX_FloatRect page_bbox = page.GetPageBBox();
if (flags & PDF2TXT_AUTO_ROTATE) {
CheckRotate(page, page_bbox);
}
CTextPage texts;
texts.m_bAutoWidth = flags & PDF2TXT_AUTO_WIDTH;
texts.m_bKeepColumn = flags & PDF2TXT_KEEP_COLUMN;
texts.m_bBreakSpace = TRUE;
FX_POSITION pos = page.GetFirstObjectPosition();
while (pos) {
CPDF_PageObject* pObject = page.GetNextObject(pos);
if (!(flags & PDF2TXT_INCLUDE_INVISIBLE)) {
CFX_FloatRect rect(pObject->m_Left, pObject->m_Bottom, pObject->m_Right, pObject->m_Top);
if (!page_bbox.Contains(rect)) {
continue;
}
}
texts.ProcessObject(pObject);
}
texts.WriteOutput(lines, iMinWidth);
}
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;
}
void PDF_GetTextStream_Unicode(CFX_WideTextBuf& buffer, CPDF_Document* pDoc, CPDF_Dictionary* pPage, FX_DWORD flags)
{
buffer.EstimateSize(0, 10240);
CPDF_Page page;
page.Load(pDoc, pPage);
CPDF_ParseOptions options;
options.m_bTextOnly = TRUE;
options.m_bSeparateForm = FALSE;
page.ParseContent(&options);
_PDF_GetTextStream_Unicode(buffer, &page, TRUE, NULL);
}
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_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 = new CPDF_Page;
pPage->Load(pDoc, pDict);
pPage->ParseContent();
return pPage;
}
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;
}
FX_BOOL Document::getPageNumWords(IFXJS_Context* cc, const CJS_Parameters& params, CJS_Value& vRet, CFX_WideString& sError)
{
ASSERT(m_pDocument != NULL);
if (!m_pDocument->GetPermissions(FPDFPERM_EXTRACT_ACCESS)) return FALSE;
int nPageNo = params.GetSize() > 0 ? params[0].ToInt() : 0;
CPDF_Document* pDocument = m_pDocument->GetDocument();
ASSERT(pDocument != NULL);
CJS_Context* pContext = static_cast<CJS_Context*>(cc);
if (nPageNo < 0 || nPageNo >= pDocument->GetPageCount())
{
sError = JSGetStringFromID(pContext, IDS_STRING_JSVALUEERROR);
return FALSE;
}
CPDF_Dictionary* pPageDict = pDocument->GetPage(nPageNo);
if (!pPageDict) return FALSE;
CPDF_Page page;
page.Load(pDocument, pPageDict);
page.StartParse();
page.ParseContent();
FX_POSITION pos = page.GetFirstObjectPosition();
int nWords = 0;
while (pos)
{
if (CPDF_PageObject* pPageObj = page.GetNextObject(pos))
{
if (pPageObj->m_Type == PDFPAGE_TEXT)
{
CPDF_TextObject* pTextObj = (CPDF_TextObject*)pPageObj;
nWords += CountWords(pTextObj);
}
}
}
vRet = nWords;
return TRUE;
}
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;
}
CFX_WideString PDF_GetFirstTextLine_Unicode(CPDF_Document* pDoc, CPDF_Dictionary* pPage)
{
CFX_WideTextBuf buffer;
buffer.EstimateSize(0, 1024);
CPDF_Page page;
page.Load(pDoc, pPage);
CPDF_ParseOptions options;
options.m_bTextOnly = TRUE;
options.m_bSeparateForm = FALSE;
page.ParseContent(&options);
CPDF_TextStream textstream(buffer, FALSE, NULL);
FX_POSITION pos = page.GetFirstObjectPosition();
while (pos) {
CPDF_PageObject* pObject = page.GetNextObject(pos);
if (pObject->m_Type != PDFPAGE_TEXT) {
continue;
}
if (textstream.ProcessObject((CPDF_TextObject*)pObject, TRUE)) {
break;
}
}
return buffer.GetWideString();
}
FX_BOOL Document::getPageNthWord(IFXJS_Context* cc, const CJS_Parameters& params, CJS_Value& vRet, CFX_WideString& sError)
{
ASSERT(m_pDocument != NULL);
if (!m_pDocument->GetPermissions(FPDFPERM_EXTRACT_ACCESS)) return FALSE;
int nPageNo = params.GetSize() > 0 ? params[0].ToInt() : 0;
int nWordNo = params.GetSize() > 1 ? params[1].ToInt() : 0;
bool bStrip = params.GetSize() > 2 ? params[2].ToBool() : true;
CPDF_Document* pDocument = m_pDocument->GetDocument();
if (!pDocument) return FALSE;
CJS_Context* pContext = static_cast<CJS_Context*>(cc);
if (nPageNo < 0 || nPageNo >= pDocument->GetPageCount())
{
sError = JSGetStringFromID(pContext, IDS_STRING_JSVALUEERROR);
return FALSE;
}
CPDF_Dictionary* pPageDict = pDocument->GetPage(nPageNo);
if (!pPageDict) return FALSE;
CPDF_Page page;
page.Load(pDocument, pPageDict);
page.StartParse();
page.ParseContent();
FX_POSITION pos = page.GetFirstObjectPosition();
int nWords = 0;
CFX_WideString swRet;
while (pos)
{
if (CPDF_PageObject* pPageObj = page.GetNextObject(pos))
{
if (pPageObj->m_Type == PDFPAGE_TEXT)
{
int nObjWords = CountWords((CPDF_TextObject*)pPageObj);
if (nWords + nObjWords >= nWordNo)
{
swRet = GetObjWordStr((CPDF_TextObject*)pPageObj, nWordNo - nWords);
break;
}
nWords += nObjWords;
}
}
}
if (bStrip)
{
swRet.TrimLeft();
swRet.TrimRight();
}
vRet = swRet.c_str();
return TRUE;
}