csPDFiumWordsPages csPDFiumDocument::wordsPages(const int firstIndex,
const int count) const
{
if( isEmpty() ) {
return csPDFiumWordsPages();
}
CSPDFIUM_DOCIMPL();
const int pageCount = FPDF_GetPageCount(impl->document);
if( firstIndex < 0 || firstIndex >= pageCount ) {
csPDFiumWordsPages();
}
const int lastIndex = count <= 0
? pageCount-1
: qBound(0, firstIndex+count-1, pageCount-1);
csPDFiumWordsPages result;
for(int index = firstIndex; index <= lastIndex; index++) {
const FPDF_PAGE page = FPDF_LoadPage(impl->document, index);
if( page == NULL ) {
continue;
}
const csPDFiumWordsPage wordsPage(index, util::extractWords(page));
if( !wordsPage.second.isEmpty() ) {
result.push_back(wordsPage);
}
FPDF_ClosePage(page);
}
return result;
}
csPDFiumTextPages csPDFiumDocument::textPages(const int first, const int count) const
{
if( isEmpty() ) {
return csPDFiumTextPages();
}
CSPDFIUM_DOCIMPL();
const int pageCount = FPDF_GetPageCount(impl->document);
if( first < 0 || first >= pageCount ) {
return csPDFiumTextPages();
}
const int last = count <= 0
? pageCount-1
: qBound(0, first+count-1, pageCount-1);
csPDFiumTextPages results;
for(int pageNo = first; pageNo <= last; pageNo++) {
const FPDF_PAGE page = FPDF_LoadPage(impl->document, pageNo);
if( page == NULL ) {
continue;
}
const QMatrix ctm = util::getPageCTM(page);
results.push_back(csPDFiumTextPage(pageNo,
util::extractTexts(page, ctm)));
FPDF_ClosePage(page);
}
return results;
}
pdfshow::pdfshow(QWidget *parent)
: QWidget(parent)
{
//get instance of current program (self)
HINSTANCE hInst= GetModuleHandle (0);
FPDF_InitLibrary(hInst);
setAttribute(Qt::WA_PaintOnScreen,true);
// 首先，加载文档（没有指定的密码）
pdf_doc = FPDF_LoadDocument("./manual/usermanual.pdf", NULL);
if (pdf_doc == NULL)// error handling
{
printf("加载pdf文档错误\n");
}
// 现在加载首页（页面索引为0）
pdf_page = FPDF_LoadPage(pdf_doc, 0);
iPageNum = FPDF_GetPageCount(pdf_doc);
if (pdf_page == NULL)
{
printf("加载pdf页面错误\n");
}
page_width = FPDF_GetPageWidth(pdf_page);
page_height = FPDF_GetPageHeight(pdf_page);
FPDF_ClosePage(pdf_page);
}
int EmbedderTest::GetPageCount() {
int page_count = FPDF_GetPageCount(document_);
for (int i = 0; i < page_count; ++i) {
(void)FPDFAvail_IsPageAvail(avail_, i, &hints_);
}
return page_count;
}
// See bug 465.
TEST_F(FPDFViewEmbeddertest, EmptyDocument) {
EXPECT_TRUE(CreateEmptyDocument());
{
int version = 42;
EXPECT_FALSE(FPDF_GetFileVersion(document(), &version));
EXPECT_EQ(0, version);
}
{
#ifndef PDF_ENABLE_XFA
const unsigned long kExpected = 0;
#else
const unsigned long kExpected = static_cast<uint32_t>(-1);
#endif
EXPECT_EQ(kExpected, FPDF_GetDocPermissions(document()));
}
EXPECT_EQ(-1, FPDF_GetSecurityHandlerRevision(document()));
EXPECT_EQ(0, FPDF_GetPageCount(document()));
EXPECT_TRUE(FPDF_VIEWERREF_GetPrintScaling(document()));
EXPECT_EQ(1, FPDF_VIEWERREF_GetNumCopies(document()));
EXPECT_EQ(DuplexUndefined, FPDF_VIEWERREF_GetDuplex(document()));
char buf[100];
EXPECT_EQ(0U, FPDF_VIEWERREF_GetName(document(), "foo", nullptr, 0));
EXPECT_EQ(0U, FPDF_VIEWERREF_GetName(document(), "foo", buf, sizeof(buf)));
EXPECT_EQ(0u, FPDF_CountNamedDests(document()));
}
csPDFiumTextPage csPDFiumDocument::textPage(const int no) const
{
if( isEmpty() ) {
return csPDFiumTextPage();
}
CSPDFIUM_DOCIMPL();
if( no < 0 || no >= FPDF_GetPageCount(impl->document) ) {
return csPDFiumTextPage();
}
const FPDF_PAGE page = FPDF_LoadPage(impl->document, no);
if( page == NULL ) {
return csPDFiumTextPage();
}
const QMatrix ctm = util::getPageCTM(page);
const csPDFiumTextPage result(no, util::extractTexts(page, ctm));
FPDF_ClosePage(page);
return result;
}
csPDFiumPage csPDFiumDocument::page(const int no) const
{
if( isEmpty() ) {
return csPDFiumPage();
}
CSPDFIUM_DOCIMPL();
if( no < 0 || no >= FPDF_GetPageCount(impl->document) ) {
return csPDFiumPage();
}
csPDFiumPageImpl *pimpl = new csPDFiumPageImpl();
if( pimpl == 0 ) {
return csPDFiumPage();
}
pimpl->page = FPDF_LoadPage(impl->document, no);
if( pimpl->page == NULL ) {
delete pimpl;
return csPDFiumPage();
}
pimpl->ctm = util::getPageCTM(pimpl->page);
pimpl->doc = impl;
pimpl->no = no;
csPDFiumPage page;
page.impl = QSharedPointer<csPDFiumPageImpl>(pimpl);
return page;
}
Int32 PdfEditor::NativeRemovePage(
/* [in] */ Int64 documentPtr,
/* [in] */ Int32 pageIndex)
{
FPDF_DOCUMENT document = reinterpret_cast<FPDF_DOCUMENT>(documentPtr);
FPDFPage_Delete(document, pageIndex);
return FPDF_GetPageCount(document);
}
int csPDFiumDocument::pageCount() const
{
if( isEmpty() ) {
return -1;
}
CSPDFIUM_DOCIMPL();
return FPDF_GetPageCount(impl->document);
}
void wxPDFViewPages::SetDocument(FPDF_DOCUMENT doc)
{
m_doc = doc;
clear();
if (!doc)
return;
int pageCount = FPDF_GetPageCount(m_doc);
reserve(pageCount);
for (int i = 0; i < pageCount; ++i)
push_back(wxPDFViewPage(this, i));
}
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;
}
TEST_F(FPDFDocEmbedderTest, GetPageLabels) {
EXPECT_TRUE(OpenDocument("page_labels.pdf"));
EXPECT_EQ(7, FPDF_GetPageCount(document()));
// We do not request labels, when use FPDFAvail_IsXXXAvail.
// Flush all data, to allow read labels.
SetWholeFileAvailable();
unsigned short buf[128];
EXPECT_EQ(0u, FPDF_GetPageLabel(document(), -2, buf, sizeof(buf)));
EXPECT_EQ(0u, FPDF_GetPageLabel(document(), -1, buf, sizeof(buf)));
const wchar_t kExpectedPageLabel0[] = L"i";
ASSERT_EQ(4u, FPDF_GetPageLabel(document(), 0, buf, sizeof(buf)));
EXPECT_EQ(WideString(kExpectedPageLabel0),
WideString::FromUTF16LE(buf, FXSYS_len(kExpectedPageLabel0)));
const wchar_t kExpectedPageLabel1[] = L"ii";
ASSERT_EQ(6u, FPDF_GetPageLabel(document(), 1, buf, sizeof(buf)));
EXPECT_EQ(WideString(kExpectedPageLabel1),
WideString::FromUTF16LE(buf, FXSYS_len(kExpectedPageLabel1)));
const wchar_t kExpectedPageLabel2[] = L"1";
ASSERT_EQ(4u, FPDF_GetPageLabel(document(), 2, buf, sizeof(buf)));
EXPECT_EQ(WideString(kExpectedPageLabel2),
WideString::FromUTF16LE(buf, FXSYS_len(kExpectedPageLabel2)));
const wchar_t kExpectedPageLabel3[] = L"2";
ASSERT_EQ(4u, FPDF_GetPageLabel(document(), 3, buf, sizeof(buf)));
EXPECT_EQ(WideString(kExpectedPageLabel3),
WideString::FromUTF16LE(buf, FXSYS_len(kExpectedPageLabel3)));
const wchar_t kExpectedPageLabel4[] = L"zzA";
ASSERT_EQ(8u, FPDF_GetPageLabel(document(), 4, buf, sizeof(buf)));
EXPECT_EQ(WideString(kExpectedPageLabel4),
WideString::FromUTF16LE(buf, FXSYS_len(kExpectedPageLabel4)));
const wchar_t kExpectedPageLabel5[] = L"zzB";
ASSERT_EQ(8u, FPDF_GetPageLabel(document(), 5, buf, sizeof(buf)));
EXPECT_EQ(WideString(kExpectedPageLabel5),
WideString::FromUTF16LE(buf, FXSYS_len(kExpectedPageLabel5)));
const wchar_t kExpectedPageLabel6[] = L"";
ASSERT_EQ(2u, FPDF_GetPageLabel(document(), 6, buf, sizeof(buf)));
EXPECT_EQ(WideString(kExpectedPageLabel6),
WideString::FromUTF16LE(buf, FXSYS_len(kExpectedPageLabel6)));
ASSERT_EQ(0u, FPDF_GetPageLabel(document(), 7, buf, sizeof(buf)));
ASSERT_EQ(0u, FPDF_GetPageLabel(document(), 8, buf, sizeof(buf)));
}
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;
}
TEST_F(FPDFDocEmbedderTest, NoPageLabels) {
EXPECT_TRUE(OpenDocument("about_blank.pdf"));
EXPECT_EQ(1, FPDF_GetPageCount(document()));
ASSERT_EQ(0u, FPDF_GetPageLabel(document(), 0, nullptr, 0));
}
TEST_F(FPDFDocEmbedderTest, DeletePage) {
EXPECT_TRUE(OpenDocument("hello_world.pdf"));
EXPECT_EQ(1, FPDF_GetPageCount(document()));
FPDFPage_Delete(document(), 0);
EXPECT_EQ(0, FPDF_GetPageCount(document()));
}
int _tmain(int argc, _TCHAR* argv[])
{
// Before we can do anything, we need to unlock the DLL
// NOTE: If you are evaluating FOXIT READER SDK, you don’t need unlock the DLL,
// then evaluation marks will be shown with all rendered pages.
FPDF_UnlockDLL("license_id", "unlock_code");
// first, load the document (no password specified)
pdf_doc = FPDF_LoadDocument("testdoc.pdf", NULL);
// error handling
if (pdf_doc == NULL)
{
fprintf(stderr, "ERROR - doc\n");
exit(1);
}
// Open the out file
fopen_s(&out, "test.spl", "wb");
// Send the StartDoc header
wchar_t* dname = L"desktop.ini - Editor";
wchar_t* prn = L"c:\\output.prn";
{
if (wcsnlen(dname, 255) == 255)
ErrorExit(L"dname too long");
if (wcsnlen(prn, 255) == 255)
ErrorExit(L"prn too long");
SPL_HEADER spl;
spl.SIGNATURE=SPLMETA_SIGNATURE;
spl.nSize=(DWORD)sizeof(spl)+wcslen(dname)*2+wcslen(prn)*2+4; // +4, because \0\0 is after dname and prn
spl.offDocumentName=(DWORD)sizeof(spl);
spl.offPort=(DWORD)sizeof(spl)+wcslen(dname)*2+2; // +2 because \0\0 is after dname
fwrite(&spl, sizeof(spl), 1, out);
fwrite(dname, wcslen(dname)*2, 1, out);
fwrite("\0\0", 2, 1, out);
fwrite(prn, wcslen(prn)*2, 1, out);
fwrite("\0\0", 2, 1, out);
}
// Load the first page and calculate the bbox
// based on the printer margins
pdf_page = FPDF_LoadPage(pdf_doc, 0);
if (pdf_page == NULL)
ErrorExit(L"FPDF_LoadPage");
double page_width, page_height;
page_width = FPDF_GetPageWidth(pdf_page);
page_height = FPDF_GetPageHeight(pdf_page);
#ifdef EXT_PRINT
#ifdef EXT_PRNDLG
PRINTDLG pd;
HWND hwnd = NULL;
// Initialize PRINTDLG
ZeroMemory(&pd, sizeof(pd));
pd.lStructSize = sizeof(pd);
pd.hwndOwner = hwnd;
pd.hDevMode = NULL; // Don't forget to free or store hDevMode
pd.hDevNames = NULL; // Don't forget to free or store hDevNames
pd.Flags = PD_USEDEVMODECOPIESANDCOLLATE | PD_RETURNDC;
pd.nCopies = 1;
pd.nFromPage = 0xFFFF;
pd.nToPage = 0xFFFF;
pd.nMinPage = 1;
pd.nMaxPage = 0xFFFF;
if (PrintDlg(&pd) != TRUE)
ErrorExit(L"PrintDialog\n");
hDC = pd.hDC;
#else
wchar_t* printer=L"FF";
if (!OpenPrinter(printer, &hPrinter, NULL))
ErrorExit(L"OpenPrinter\n");
DWORD dwNeeded = DocumentProperties(NULL, hPrinter, printer, NULL, NULL, 0);
lpDevMode = (LPDEVMODE)malloc(dwNeeded);
DocumentProperties(NULL, hPrinter, printer, lpDevMode, NULL, DM_OUT_BUFFER);
/* Try to set a higher print quality */
lpDevMode->dmPrintQuality=1200;
lpDevMode->dmFields|=DM_PRINTQUALITY;
DocumentProperties(NULL, hPrinter, printer, lpDevMode, lpDevMode, DM_IN_BUFFER | DM_OUT_BUFFER);
#ifdef EXT_PRNOPTS
DocumentProperties(NULL, hPrinter, printer, lpDevMode, lpDevMode, DM_IN_BUFFER | DM_PROMPT | DM_OUT_BUFFER);
#endif
hDC = CreateDC(L"WINEPS.DRV", printer, NULL, lpDevMode);
ClosePrinter(&hPrinter);
#endif
#else
hDC = CreateDC(L"WINEPS.DRV", L"FF", NULL, lpDevMode);
#endif
#ifdef PRINT
DOCINFO doc_info;
doc_info.cbSize=sizeof(DOCINFO)+12;
doc_info.lpszDocName=dname;
doc_info.lpszOutput=prn;
doc_info.lpszDatatype=NULL;
doc_info.fwType=0;
// Start a printer job
StartDoc(hDC, &doc_info);
#endif
// get number of pixels per inch (horizontally and vertically)
logpixelsx = GetDeviceCaps(hDC, LOGPIXELSX);
logpixelsy = GetDeviceCaps(hDC, LOGPIXELSY);
// convert points into pixels
size_x = (int)page_width / 72 * logpixelsx;
size_y = (int)page_height / 72 * logpixelsy;
DWORD p_width =GetDeviceCaps(hDC, HORZSIZE)*100;
DWORD p_height=GetDeviceCaps(hDC, VERTSIZE)*100;
SetRect( &rect, 0, 0, p_width, p_height );
#ifdef DEBUG
//fprintf(stderr, "x=%u, y=%u, pw=%u, ph=%u,sx=%u,sy=%u,lpx=%u,lpy=%u,size_x=%u,size_y=%u\n",x,y,page_width,page_height,sx,sy,logpixelsx,logpixelsy,size_x,size_y);
#endif
// now load the pages one after another
for (i=0; i < FPDF_GetPageCount(pdf_doc); i++)
{
#ifdef DEBUG
fprintf(stderr, "Load page %d/%d\n", i, FPDF_GetPageCount(pdf_doc));
#endif
// Load the next page
pdf_page = FPDF_LoadPage(pdf_doc, i);
if (pdf_page == NULL)
ErrorExit(L"FPDF_LoadPage");
fbuf=NULL;
#ifdef DEBUG
sprintf_s(buf, 255, "test-%d.emf", i);
//fbuf=buf;
#endif
// Create a metafile to render to
hMeta = CreateEnhMetaFileA(hDC,
fbuf,
&rect, "SPLFilter.exe\0Created by Fabian\0\0");
if (hMeta == NULL)
ErrorExit(L"CreateEnhMetaFileA");
// Call FPDF_RenderPage function to render the whole page
FPDF_RenderPage(hMeta, pdf_page, 0, 0, size_x, size_y, 0, 0);
#ifdef PRINT
// Start a new printing page
StartPage(hDC);
FPDF_RenderPage(hDC, pdf_page, 0, 0, size_x, size_y, 0, 0);
EndPage(hDC);
#endif
// Close PDF page
FPDF_ClosePage(pdf_page);
efile=CloseEnhMetaFile(hMeta);
if (efile == NULL)
ErrorExit(L"CloseEnhMetaFile");
// Write EMF data - via enumeration, because we want to embed fonts later
EnumEnhMetaFile(hDC, efile, enum_it, NULL, &rect);
// Write EndPage() record
{
SMR_EOPAGE smr_eopage;
smr_eopage.smrext.smr.iType=SRT_EXT_EOPAGE_VECTOR;
smr_eopage.smrext.smr.nSize=sizeof(smr_eopage)-sizeof(smr_eopage.smrext.smr);
/* FIXME: Need to calcualte low and high correctly */
smr_eopage.smrext.DistanceLow=bufSize+smr_eopage.smrext.smr.nSize;
smr_eopage.smrext.DistanceHigh=0;
fwrite(&smr_eopage, sizeof(smr_eopage), 1, out);
}
DeleteEnhMetaFile(efile);
}
#ifdef PRINT
EndDoc(hDC);
#endif
fclose(out);
out=NULL;
DeleteDC(hDC);
FPDF_CloseDocument(pdf_doc);
#ifdef DEBUG
fprintf(stderr, "SPLFilter: Conversion successful!\n");
#endif
exit(0);
}
static jint nativeRemovePage(JNIEnv* env, jclass thiz, jlong documentPtr, jint pageIndex) {
FPDF_DOCUMENT document = reinterpret_cast<FPDF_DOCUMENT>(documentPtr);
FPDFPage_Delete(document, pageIndex);
return FPDF_GetPageCount(document);
}
Int32 PdfEditor::NativeGetPageCount(
/* [in] */ Int64 documentPtr)
{
FPDF_DOCUMENT document = reinterpret_cast<FPDF_DOCUMENT>(documentPtr);
return FPDF_GetPageCount(document);
}
static jint nativeGetPageCount(JNIEnv* env, jclass thiz, jlong documentPtr) {
FPDF_DOCUMENT document = reinterpret_cast<FPDF_DOCUMENT>(documentPtr);
return FPDF_GetPageCount(document);
}
bool EmbedderTest::OpenDocument(const std::string& filename,
const char* password,
bool must_linearize) {
std::string file_path;
if (!PathService::GetTestFilePath(filename, &file_path))
return false;
file_contents_ = GetFileContents(file_path.c_str(), &file_length_);
if (!file_contents_)
return false;
EXPECT_TRUE(!loader_);
loader_ = new TestLoader(file_contents_.get(), file_length_);
file_access_.m_FileLen = static_cast<unsigned long>(file_length_);
file_access_.m_GetBlock = TestLoader::GetBlock;
file_access_.m_Param = loader_;
file_avail_.version = 1;
file_avail_.IsDataAvail = Is_Data_Avail;
hints_.version = 1;
hints_.AddSegment = Add_Segment;
avail_ = FPDFAvail_Create(&file_avail_, &file_access_);
if (FPDFAvail_IsLinearized(avail_) == PDF_LINEARIZED) {
document_ = FPDFAvail_GetDocument(avail_, password);
if (!document_) {
return false;
}
int32_t nRet = PDF_DATA_NOTAVAIL;
while (nRet == PDF_DATA_NOTAVAIL) {
nRet = FPDFAvail_IsDocAvail(avail_, &hints_);
}
if (nRet == PDF_DATA_ERROR) {
return false;
}
nRet = FPDFAvail_IsFormAvail(avail_, &hints_);
if (nRet == PDF_FORM_ERROR || nRet == PDF_FORM_NOTAVAIL) {
return false;
}
int page_count = FPDF_GetPageCount(document_);
for (int i = 0; i < page_count; ++i) {
nRet = PDF_DATA_NOTAVAIL;
while (nRet == PDF_DATA_NOTAVAIL) {
nRet = FPDFAvail_IsPageAvail(avail_, i, &hints_);
}
if (nRet == PDF_DATA_ERROR) {
return false;
}
}
} else {
if (must_linearize) {
return false;
}
document_ = FPDF_LoadCustomDocument(&file_access_, nullptr);
if (!document_) {
return false;
}
}
#ifdef PDF_ENABLE_XFA
int docType = DOCTYPE_PDF;
if (FPDF_HasXFAField(document_, &docType)) {
if (docType != DOCTYPE_PDF)
(void)FPDF_LoadXFA(document_);
}
#endif // PDF_ENABLE_XFA
(void)FPDF_GetDocPermissions(document_);
SetupFormFillEnvironment();
return true;
}
