diff options
Diffstat (limited to 'samples')
| -rw-r--r-- | samples/pdfium_test.cc | 175 |
1 files changed, 103 insertions, 72 deletions
diff --git a/samples/pdfium_test.cc b/samples/pdfium_test.cc index 66b84dac60..9ae9e2759f 100644 --- a/samples/pdfium_test.cc +++ b/samples/pdfium_test.cc @@ -332,6 +332,70 @@ FPDF_BOOL Is_Data_Avail(FX_FILEAVAIL* pThis, size_t offset, size_t size) { void Add_Segment(FX_DOWNLOADHINTS* pThis, size_t offset, size_t size) { } +FPDF_BOOL RenderPage(const std::string& name, + const FPDF_DOCUMENT& doc, + const FPDF_FORMHANDLE& form, + const int page_index, + const Options& options) { + FPDF_PAGE page = FPDF_LoadPage(doc, page_index); + if (!page) { + return FALSE; + } + FPDF_TEXTPAGE text_page = FPDFText_LoadPage(page); + FORM_OnAfterLoadPage(page, form); + FORM_DoPageAAction(page, form, FPDFPAGE_AACTION_OPEN); + + double scale = 1.0; + if (!options.scale_factor_as_string.empty()) { + std::stringstream(options.scale_factor_as_string) >> scale; + } + int width = static_cast<int>(FPDF_GetPageWidth(page) * scale); + int height = static_cast<int>(FPDF_GetPageHeight(page) * scale); + + FPDF_BITMAP bitmap = FPDFBitmap_Create(width, height, 0); + if (!bitmap) { + fprintf(stderr, "Page was too large to be rendered.\n"); + return FALSE; + } + + FPDFBitmap_FillRect(bitmap, 0, 0, width, height, 0xFFFFFFFF); + FPDF_RenderPageBitmap(bitmap, page, 0, 0, width, height, 0, 0); + + FPDF_FFLDraw(form, bitmap, page, 0, 0, width, height, 0, 0); + int stride = FPDFBitmap_GetStride(bitmap); + const char* buffer = + reinterpret_cast<const char*>(FPDFBitmap_GetBuffer(bitmap)); + + switch (options.output_format) { +#ifdef _WIN32 + case OUTPUT_BMP: + WriteBmp(name.c_str(), page_index, buffer, stride, width, height); + break; + + case OUTPUT_EMF: + WriteEmf(page, name.c_str(), page_index); + break; +#endif + case OUTPUT_PNG: + WritePng(name.c_str(), page_index, buffer, stride, width, height); + break; + + case OUTPUT_PPM: + WritePpm(name.c_str(), page_index, buffer, stride, width, height); + break; + + default: + break; + } + + FPDFBitmap_Destroy(bitmap); + FORM_DoPageAAction(page, form, FPDFPAGE_AACTION_CLOSE); + FORM_OnBeforeClosePage(page, form); + FPDFText_ClosePage(text_page); + FPDF_ClosePage(page); + return TRUE; +} + void RenderPdf(const std::string& name, const char* pBuf, size_t len, const Options& options) { fprintf(stderr, "Rendering PDF file %s.\n", name.c_str()); @@ -365,14 +429,33 @@ void RenderPdf(const std::string& name, const char* pBuf, size_t len, hints.AddSegment = Add_Segment; FPDF_DOCUMENT doc; + int nRet = PDF_DATA_NOTAVAIL; + FPDF_BOOL bIsLinearized = FALSE; FPDF_AVAIL pdf_avail = FPDFAvail_Create(&file_avail, &file_access); - - (void)FPDFAvail_IsDocAvail(pdf_avail, &hints); - - if (FPDFAvail_IsLinearized(pdf_avail)) + if (FPDFAvail_IsLinearized(pdf_avail) == PDF_LINEARIZED) { + fprintf(stderr, "Linearized path...\n"); doc = FPDFAvail_GetDocument(pdf_avail, nullptr); - else + if (doc) { + while (nRet == PDF_DATA_NOTAVAIL) { + nRet = FPDFAvail_IsDocAvail(pdf_avail, &hints); + } + if (nRet == PDF_DATA_ERROR) { + fprintf(stderr, "Unknown error in checking if doc was available.\n"); + return; + } + nRet = FPDFAvail_IsFormAvail(pdf_avail, &hints); + if (nRet == PDF_FORM_ERROR || nRet == PDF_FORM_NOTAVAIL) { + fprintf(stderr, + "Error %d was returned in checking if form was available.\n", + nRet); + return; + } + bIsLinearized = TRUE; + } + } else { + fprintf(stderr, "Non-linearized path...\n"); doc = FPDF_LoadCustomDocument(&file_access, nullptr); + } if (!doc) { unsigned long err = FPDF_GetLastError(); @@ -409,7 +492,6 @@ void RenderPdf(const std::string& name, const char* pBuf, size_t len, } (void)FPDF_GetDocPermissions(doc); - (void)FPDFAvail_IsFormAvail(pdf_avail, &hints); FPDF_FORMHANDLE form = FPDFDOC_InitFormFillEnvironment(doc, &form_callbacks); int docType = DOCTYPE_PDF; @@ -420,80 +502,29 @@ void RenderPdf(const std::string& name, const char* pBuf, size_t len, FPDF_SetFormFieldHighlightColor(form, 0, 0xFFE4DD); FPDF_SetFormFieldHighlightAlpha(form, 100); - int first_page = FPDFAvail_GetFirstPageNum(doc); - (void)FPDFAvail_IsPageAvail(pdf_avail, first_page, &hints); - - int page_count = FPDF_GetPageCount(doc); - for (int i = 0; i < page_count; ++i) { - (void)FPDFAvail_IsPageAvail(pdf_avail, i, &hints); - } - FORM_DoDocumentJSAction(form); FORM_DoDocumentOpenAction(form); + int page_count = FPDF_GetPageCount(doc); int rendered_pages = 0; int bad_pages = 0; for (int i = 0; i < page_count; ++i) { - FPDF_PAGE page = FPDF_LoadPage(doc, i); - if (!page) { - ++bad_pages; - continue; - } - FPDF_TEXTPAGE text_page = FPDFText_LoadPage(page); - FORM_OnAfterLoadPage(page, form); - FORM_DoPageAAction(page, form, FPDFPAGE_AACTION_OPEN); - - double scale = 1.0; - if (!options.scale_factor_as_string.empty()) { - std::stringstream(options.scale_factor_as_string) >> scale; - } - int width = static_cast<int>(FPDF_GetPageWidth(page) * scale); - int height = static_cast<int>(FPDF_GetPageHeight(page) * scale); - - FPDF_BITMAP bitmap = FPDFBitmap_Create(width, height, 0); - if (!bitmap) { - fprintf(stderr, "Page was too large to be rendered.\n"); - bad_pages++; - continue; + if (bIsLinearized) { + nRet = PDF_DATA_NOTAVAIL; + while (nRet == PDF_DATA_NOTAVAIL) { + nRet = FPDFAvail_IsPageAvail(pdf_avail, i, &hints); + } + if (nRet == PDF_DATA_ERROR) { + fprintf(stderr, "Unknown error in checking if page %d is available.\n", + i); + return; + } } - - FPDFBitmap_FillRect(bitmap, 0, 0, width, height, 0xFFFFFFFF); - FPDF_RenderPageBitmap(bitmap, page, 0, 0, width, height, 0, 0); - ++rendered_pages; - - FPDF_FFLDraw(form, bitmap, page, 0, 0, width, height, 0, 0); - int stride = FPDFBitmap_GetStride(bitmap); - const char* buffer = - reinterpret_cast<const char*>(FPDFBitmap_GetBuffer(bitmap)); - - switch (options.output_format) { -#ifdef _WIN32 - case OUTPUT_BMP: - WriteBmp(name.c_str(), i, buffer, stride, width, height); - break; - - case OUTPUT_EMF: - WriteEmf(page, name.c_str(), i); - break; -#endif - case OUTPUT_PPM: - WritePpm(name.c_str(), i, buffer, stride, width, height); - break; - - case OUTPUT_PNG: - WritePng(name.c_str(), i, buffer, stride, width, height); - break; - - default: - break; + if (RenderPage(name, doc, form, i, options)) { + ++rendered_pages; + } else { + ++bad_pages; } - - FPDFBitmap_Destroy(bitmap); - - FORM_DoPageAAction(page, form, FPDFPAGE_AACTION_CLOSE); - FORM_OnBeforeClosePage(page, form); - FPDFText_ClosePage(text_page); - FPDF_ClosePage(page); } FORM_DoDocumentAAction(form, FPDFDOC_AACTION_WC); |