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-rw-r--r--fpdfsdk/fpdf_view.cpp1159
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diff --git a/fpdfsdk/fpdf_view.cpp b/fpdfsdk/fpdf_view.cpp
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+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "public/fpdfview.h"
+
+#include <utility>
+#include <vector>
+
+#include "core/fpdfapi/cpdf_modulemgr.h"
+#include "core/fpdfapi/cpdf_pagerendercontext.h"
+#include "core/fpdfapi/page/cpdf_page.h"
+#include "core/fpdfapi/parser/cpdf_array.h"
+#include "core/fpdfapi/parser/cpdf_dictionary.h"
+#include "core/fpdfapi/parser/cpdf_document.h"
+#include "core/fpdfapi/parser/cpdf_name.h"
+#include "core/fpdfapi/parser/cpdf_parser.h"
+#include "core/fpdfapi/parser/fpdf_parser_decode.h"
+#include "core/fpdfapi/render/cpdf_progressiverenderer.h"
+#include "core/fpdfapi/render/cpdf_rendercontext.h"
+#include "core/fpdfapi/render/cpdf_renderoptions.h"
+#include "core/fpdfdoc/cpdf_annotlist.h"
+#include "core/fpdfdoc/cpdf_nametree.h"
+#include "core/fpdfdoc/cpdf_occontext.h"
+#include "core/fpdfdoc/cpdf_viewerpreferences.h"
+#include "core/fxcrt/fx_stream.h"
+#include "core/fxcrt/fx_system.h"
+#include "core/fxge/cfx_defaultrenderdevice.h"
+#include "core/fxge/cfx_gemodule.h"
+#include "core/fxge/cfx_renderdevice.h"
+#include "fpdfsdk/cpdfsdk_customaccess.h"
+#include "fpdfsdk/cpdfsdk_formfillenvironment.h"
+#include "fpdfsdk/cpdfsdk_helpers.h"
+#include "fpdfsdk/cpdfsdk_memoryaccess.h"
+#include "fpdfsdk/cpdfsdk_pageview.h"
+#include "fpdfsdk/ipdfsdk_pauseadapter.h"
+#include "fxjs/ijs_runtime.h"
+#include "public/fpdf_formfill.h"
+#include "third_party/base/ptr_util.h"
+
+#ifdef PDF_ENABLE_XFA
+#include "fpdfsdk/fpdfxfa/cpdfxfa_context.h"
+#include "fpdfsdk/fpdfxfa/cpdfxfa_page.h"
+#include "fxbarcode/BC_Library.h"
+#endif // PDF_ENABLE_XFA
+
+#if _FX_PLATFORM_ == _FX_PLATFORM_WINDOWS_
+#include "core/fxge/cfx_windowsrenderdevice.h"
+#include "public/fpdf_edit.h"
+
+// These checks are here because core/ and public/ cannot depend on each other.
+static_assert(WindowsPrintMode::kModeEmf == FPDF_PRINTMODE_EMF,
+ "WindowsPrintMode::kModeEmf value mismatch");
+static_assert(WindowsPrintMode::kModeTextOnly == FPDF_PRINTMODE_TEXTONLY,
+ "WindowsPrintMode::kModeTextOnly value mismatch");
+static_assert(WindowsPrintMode::kModePostScript2 == FPDF_PRINTMODE_POSTSCRIPT2,
+ "WindowsPrintMode::kModePostScript2 value mismatch");
+static_assert(WindowsPrintMode::kModePostScript3 == FPDF_PRINTMODE_POSTSCRIPT3,
+ "WindowsPrintMode::kModePostScript3 value mismatch");
+#endif
+
+namespace {
+
+bool g_bLibraryInitialized = false;
+
+void RenderPageImpl(CPDF_PageRenderContext* pContext,
+ CPDF_Page* pPage,
+ const CFX_Matrix& matrix,
+ const FX_RECT& clipping_rect,
+ int flags,
+ bool bNeedToRestore,
+ IPDFSDK_PauseAdapter* pause) {
+ if (!pContext->m_pOptions)
+ pContext->m_pOptions = pdfium::MakeUnique<CPDF_RenderOptions>();
+
+ uint32_t option_flags = pContext->m_pOptions->GetFlags();
+ if (flags & FPDF_LCD_TEXT)
+ option_flags |= RENDER_CLEARTYPE;
+ else
+ option_flags &= ~RENDER_CLEARTYPE;
+
+ if (flags & FPDF_NO_NATIVETEXT)
+ option_flags |= RENDER_NO_NATIVETEXT;
+ if (flags & FPDF_RENDER_LIMITEDIMAGECACHE)
+ option_flags |= RENDER_LIMITEDIMAGECACHE;
+ if (flags & FPDF_RENDER_FORCEHALFTONE)
+ option_flags |= RENDER_FORCE_HALFTONE;
+#ifndef PDF_ENABLE_XFA
+ if (flags & FPDF_RENDER_NO_SMOOTHTEXT)
+ option_flags |= RENDER_NOTEXTSMOOTH;
+ if (flags & FPDF_RENDER_NO_SMOOTHIMAGE)
+ option_flags |= RENDER_NOIMAGESMOOTH;
+ if (flags & FPDF_RENDER_NO_SMOOTHPATH)
+ option_flags |= RENDER_NOPATHSMOOTH;
+#endif // PDF_ENABLE_XFA
+ pContext->m_pOptions->SetFlags(option_flags);
+
+ // Grayscale output
+ if (flags & FPDF_GRAYSCALE)
+ pContext->m_pOptions->SetColorMode(CPDF_RenderOptions::kGray);
+
+ const CPDF_OCContext::UsageType usage =
+ (flags & FPDF_PRINTING) ? CPDF_OCContext::Print : CPDF_OCContext::View;
+ pContext->m_pOptions->SetOCContext(
+ pdfium::MakeRetain<CPDF_OCContext>(pPage->m_pDocument.Get(), usage));
+
+ pContext->m_pDevice->SaveState();
+ pContext->m_pDevice->SetClip_Rect(clipping_rect);
+ pContext->m_pContext = pdfium::MakeUnique<CPDF_RenderContext>(pPage);
+ pContext->m_pContext->AppendLayer(pPage, &matrix);
+
+ if (flags & FPDF_ANNOT) {
+ pContext->m_pAnnots = pdfium::MakeUnique<CPDF_AnnotList>(pPage);
+ bool bPrinting = pContext->m_pDevice->GetDeviceClass() != FXDC_DISPLAY;
+ pContext->m_pAnnots->DisplayAnnots(pPage, pContext->m_pContext.get(),
+ bPrinting, &matrix, false, nullptr);
+ }
+
+ pContext->m_pRenderer = pdfium::MakeUnique<CPDF_ProgressiveRenderer>(
+ pContext->m_pContext.get(), pContext->m_pDevice.get(),
+ pContext->m_pOptions.get());
+ pContext->m_pRenderer->Start(pause);
+ if (bNeedToRestore)
+ pContext->m_pDevice->RestoreState(false);
+}
+
+FPDF_DOCUMENT LoadDocumentImpl(
+ const RetainPtr<IFX_SeekableReadStream>& pFileAccess,
+ FPDF_BYTESTRING password) {
+ if (!pFileAccess) {
+ ProcessParseError(CPDF_Parser::FILE_ERROR);
+ return nullptr;
+ }
+
+ auto pParser = pdfium::MakeUnique<CPDF_Parser>();
+ pParser->SetPassword(password);
+
+ auto pDocument = pdfium::MakeUnique<CPDF_Document>(std::move(pParser));
+ CPDF_Parser::Error error =
+ pDocument->GetParser()->StartParse(pFileAccess, pDocument.get());
+ if (error != CPDF_Parser::SUCCESS) {
+ ProcessParseError(error);
+ return nullptr;
+ }
+ CheckUnSupportError(pDocument.get(), error);
+ return FPDFDocumentFromCPDFDocument(pDocument.release());
+}
+
+} // namespace
+
+FPDF_EXPORT void FPDF_CALLCONV FPDF_InitLibrary() {
+ FPDF_InitLibraryWithConfig(nullptr);
+}
+
+FPDF_EXPORT void FPDF_CALLCONV
+FPDF_InitLibraryWithConfig(const FPDF_LIBRARY_CONFIG* cfg) {
+ if (g_bLibraryInitialized)
+ return;
+
+ FXMEM_InitializePartitionAlloc();
+
+ CFX_GEModule* pModule = CFX_GEModule::Get();
+ pModule->Init(cfg ? cfg->m_pUserFontPaths : nullptr);
+
+ CPDF_ModuleMgr* pModuleMgr = CPDF_ModuleMgr::Get();
+ pModuleMgr->Init();
+
+#ifdef PDF_ENABLE_XFA
+ BC_Library_Init();
+#endif // PDF_ENABLE_XFA
+ if (cfg && cfg->version >= 2)
+ IJS_Runtime::Initialize(cfg->m_v8EmbedderSlot, cfg->m_pIsolate);
+
+ g_bLibraryInitialized = true;
+}
+
+FPDF_EXPORT void FPDF_CALLCONV FPDF_DestroyLibrary() {
+ if (!g_bLibraryInitialized)
+ return;
+
+#ifdef PDF_ENABLE_XFA
+ BC_Library_Destroy();
+#endif // PDF_ENABLE_XFA
+
+ CPDF_ModuleMgr::Destroy();
+ CFX_GEModule::Destroy();
+
+ IJS_Runtime::Destroy();
+
+ g_bLibraryInitialized = false;
+}
+
+FPDF_EXPORT void FPDF_CALLCONV FPDF_SetSandBoxPolicy(FPDF_DWORD policy,
+ FPDF_BOOL enable) {
+ return FSDK_SetSandBoxPolicy(policy, enable);
+}
+
+#if defined(_WIN32)
+#if defined(PDFIUM_PRINT_TEXT_WITH_GDI)
+FPDF_EXPORT void FPDF_CALLCONV
+FPDF_SetTypefaceAccessibleFunc(PDFiumEnsureTypefaceCharactersAccessible func) {
+ g_pdfium_typeface_accessible_func = func;
+}
+
+FPDF_EXPORT void FPDF_CALLCONV FPDF_SetPrintTextWithGDI(FPDF_BOOL use_gdi) {
+ g_pdfium_print_text_with_gdi = !!use_gdi;
+}
+#endif // PDFIUM_PRINT_TEXT_WITH_GDI
+
+FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
+FPDF_SetPrintPostscriptLevel(int postscript_level) {
+ return postscript_level != 1 && FPDF_SetPrintMode(postscript_level);
+}
+
+FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDF_SetPrintMode(int mode) {
+ if (mode < FPDF_PRINTMODE_EMF || mode > FPDF_PRINTMODE_POSTSCRIPT3)
+ return FALSE;
+ g_pdfium_print_mode = mode;
+ return TRUE;
+}
+#endif // defined(_WIN32)
+
+FPDF_EXPORT FPDF_DOCUMENT FPDF_CALLCONV
+FPDF_LoadDocument(FPDF_STRING file_path, FPDF_BYTESTRING password) {
+ // NOTE: the creation of the file needs to be by the embedder on the
+ // other side of this API.
+ return LoadDocumentImpl(IFX_SeekableReadStream::CreateFromFilename(file_path),
+ password);
+}
+
+FPDF_EXPORT int FPDF_CALLCONV FPDF_GetFormType(FPDF_DOCUMENT document) {
+ const CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document);
+ if (!pDoc)
+ return FORMTYPE_NONE;
+
+ const CPDF_Dictionary* pRoot = pDoc->GetRoot();
+ if (!pRoot)
+ return FORMTYPE_NONE;
+
+ CPDF_Dictionary* pAcroForm = pRoot->GetDictFor("AcroForm");
+ if (!pAcroForm)
+ return FORMTYPE_NONE;
+
+ CPDF_Object* pXFA = pAcroForm->GetObjectFor("XFA");
+ if (!pXFA)
+ return FORMTYPE_ACRO_FORM;
+
+ bool bNeedsRendering = pRoot->GetBooleanFor("NeedsRendering", false);
+ return bNeedsRendering ? FORMTYPE_XFA_FULL : FORMTYPE_XFA_FOREGROUND;
+}
+
+#ifdef PDF_ENABLE_XFA
+FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDF_LoadXFA(FPDF_DOCUMENT document) {
+ return document && static_cast<CPDFXFA_Context*>(document)->LoadXFADoc();
+}
+#endif // PDF_ENABLE_XFA
+
+FPDF_EXPORT FPDF_DOCUMENT FPDF_CALLCONV
+FPDF_LoadMemDocument(const void* data_buf, int size, FPDF_BYTESTRING password) {
+ return LoadDocumentImpl(pdfium::MakeRetain<CPDFSDK_MemoryAccess>(
+ static_cast<const uint8_t*>(data_buf), size),
+ password);
+}
+
+FPDF_EXPORT FPDF_DOCUMENT FPDF_CALLCONV
+FPDF_LoadCustomDocument(FPDF_FILEACCESS* pFileAccess,
+ FPDF_BYTESTRING password) {
+ return LoadDocumentImpl(pdfium::MakeRetain<CPDFSDK_CustomAccess>(pFileAccess),
+ password);
+}
+
+FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDF_GetFileVersion(FPDF_DOCUMENT doc,
+ int* fileVersion) {
+ if (!fileVersion)
+ return false;
+
+ *fileVersion = 0;
+ CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(doc);
+ if (!pDoc)
+ return false;
+
+ const CPDF_Parser* pParser = pDoc->GetParser();
+ if (!pParser)
+ return false;
+
+ *fileVersion = pParser->GetFileVersion();
+ return true;
+}
+
+// jabdelmalek: changed return type from uint32_t to build on Linux (and match
+// header).
+FPDF_EXPORT unsigned long FPDF_CALLCONV
+FPDF_GetDocPermissions(FPDF_DOCUMENT document) {
+ CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document);
+ // https://bugs.chromium.org/p/pdfium/issues/detail?id=499
+ if (!pDoc) {
+#ifndef PDF_ENABLE_XFA
+ return 0;
+#else // PDF_ENABLE_XFA
+ return 0xFFFFFFFF;
+#endif // PDF_ENABLE_XFA
+ }
+
+ return pDoc->GetUserPermissions();
+}
+
+FPDF_EXPORT int FPDF_CALLCONV
+FPDF_GetSecurityHandlerRevision(FPDF_DOCUMENT document) {
+ CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document);
+ if (!pDoc || !pDoc->GetParser())
+ return -1;
+
+ CPDF_Dictionary* pDict = pDoc->GetParser()->GetEncryptDict();
+ return pDict ? pDict->GetIntegerFor("R") : -1;
+}
+
+FPDF_EXPORT int FPDF_CALLCONV FPDF_GetPageCount(FPDF_DOCUMENT document) {
+ UnderlyingDocumentType* pDoc = UnderlyingFromFPDFDocument(document);
+ return pDoc ? pDoc->GetPageCount() : 0;
+}
+
+FPDF_EXPORT FPDF_PAGE FPDF_CALLCONV FPDF_LoadPage(FPDF_DOCUMENT document,
+ int page_index) {
+ UnderlyingDocumentType* pDoc = UnderlyingFromFPDFDocument(document);
+ if (!pDoc)
+ return nullptr;
+
+ if (page_index < 0 || page_index >= pDoc->GetPageCount())
+ return nullptr;
+
+#ifdef PDF_ENABLE_XFA
+ return pDoc->GetXFAPage(page_index).Leak();
+#else // PDF_ENABLE_XFA
+ CPDF_Dictionary* pDict = pDoc->GetPage(page_index);
+ if (!pDict)
+ return nullptr;
+
+ CPDF_Page* pPage = new CPDF_Page(pDoc, pDict, true);
+ pPage->ParseContent();
+ return pPage;
+#endif // PDF_ENABLE_XFA
+}
+
+FPDF_EXPORT double FPDF_CALLCONV FPDF_GetPageWidth(FPDF_PAGE page) {
+ UnderlyingPageType* pPage = UnderlyingFromFPDFPage(page);
+ return pPage ? pPage->GetPageWidth() : 0.0;
+}
+
+FPDF_EXPORT double FPDF_CALLCONV FPDF_GetPageHeight(FPDF_PAGE page) {
+ UnderlyingPageType* pPage = UnderlyingFromFPDFPage(page);
+ return pPage ? pPage->GetPageHeight() : 0.0;
+}
+
+FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDF_GetPageBoundingBox(FPDF_PAGE page,
+ FS_RECTF* rect) {
+ if (!rect)
+ return false;
+
+ CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
+ if (!pPage)
+ return false;
+
+ FSRECTFFromCFXFloatRect(pPage->GetPageBBox(), rect);
+ return true;
+}
+
+#if defined(_WIN32)
+namespace {
+
+const double kEpsilonSize = 0.01f;
+
+void GetScaling(CPDF_Page* pPage,
+ int size_x,
+ int size_y,
+ int rotate,
+ double* scale_x,
+ double* scale_y) {
+ ASSERT(pPage);
+ ASSERT(scale_x);
+ ASSERT(scale_y);
+ double page_width = pPage->GetPageWidth();
+ double page_height = pPage->GetPageHeight();
+ if (page_width < kEpsilonSize || page_height < kEpsilonSize)
+ return;
+
+ if (rotate % 2 == 0) {
+ *scale_x = size_x / page_width;
+ *scale_y = size_y / page_height;
+ } else {
+ *scale_x = size_y / page_width;
+ *scale_y = size_x / page_height;
+ }
+}
+
+FX_RECT GetMaskDimensionsAndOffsets(CPDF_Page* pPage,
+ int start_x,
+ int start_y,
+ int size_x,
+ int size_y,
+ int rotate,
+ const CFX_FloatRect& mask_box) {
+ double scale_x = 0.0f;
+ double scale_y = 0.0f;
+ GetScaling(pPage, size_x, size_y, rotate, &scale_x, &scale_y);
+ if (scale_x < kEpsilonSize || scale_y < kEpsilonSize)
+ return FX_RECT();
+
+ // Compute sizes in page points. Round down to catch the entire bitmap.
+ int start_x_bm = static_cast<int>(mask_box.left * scale_x);
+ int start_y_bm = static_cast<int>(mask_box.bottom * scale_y);
+ int size_x_bm = static_cast<int>(mask_box.right * scale_x + 1.0f) -
+ static_cast<int>(mask_box.left * scale_x);
+ int size_y_bm = static_cast<int>(mask_box.top * scale_y + 1.0f) -
+ static_cast<int>(mask_box.bottom * scale_y);
+
+ // Get page rotation
+ int page_rotation = pPage->GetPageRotation();
+
+ // Compute offsets
+ int offset_x = 0;
+ int offset_y = 0;
+ if (size_x > size_y)
+ std::swap(size_x_bm, size_y_bm);
+
+ switch ((rotate + page_rotation) % 4) {
+ case 0:
+ offset_x = start_x_bm + start_x;
+ offset_y = start_y + size_y - size_y_bm - start_y_bm;
+ break;
+ case 1:
+ offset_x = start_y_bm + start_x;
+ offset_y = start_x_bm + start_y;
+ break;
+ case 2:
+ offset_x = start_x + size_x - size_x_bm - start_x_bm;
+ offset_y = start_y_bm + start_y;
+ break;
+ case 3:
+ offset_x = start_x + size_x - size_x_bm - start_y_bm;
+ offset_y = start_y + size_y - size_y_bm - start_x_bm;
+ break;
+ }
+ return FX_RECT(offset_x, offset_y, offset_x + size_x_bm,
+ offset_y + size_y_bm);
+}
+
+// Get a bitmap of just the mask section defined by |mask_box| from a full page
+// bitmap |pBitmap|.
+RetainPtr<CFX_DIBitmap> GetMaskBitmap(CPDF_Page* pPage,
+ int start_x,
+ int start_y,
+ int size_x,
+ int size_y,
+ int rotate,
+ const RetainPtr<CFX_DIBitmap>& pSrc,
+ const CFX_FloatRect& mask_box,
+ FX_RECT* bitmap_area) {
+ ASSERT(bitmap_area);
+ *bitmap_area = GetMaskDimensionsAndOffsets(pPage, start_x, start_y, size_x,
+ size_y, rotate, mask_box);
+ if (bitmap_area->IsEmpty())
+ return nullptr;
+
+ // Create a new bitmap to transfer part of the page bitmap to.
+ RetainPtr<CFX_DIBitmap> pDst = pdfium::MakeRetain<CFX_DIBitmap>();
+ pDst->Create(bitmap_area->Width(), bitmap_area->Height(), FXDIB_Argb);
+ pDst->Clear(0x00ffffff);
+ pDst->TransferBitmap(0, 0, bitmap_area->Width(), bitmap_area->Height(), pSrc,
+ bitmap_area->left, bitmap_area->top);
+ return pDst;
+}
+
+void RenderBitmap(CFX_RenderDevice* device,
+ const RetainPtr<CFX_DIBitmap>& pSrc,
+ const FX_RECT& mask_area) {
+ int size_x_bm = mask_area.Width();
+ int size_y_bm = mask_area.Height();
+ if (size_x_bm == 0 || size_y_bm == 0)
+ return;
+
+ // Create a new bitmap from the old one
+ RetainPtr<CFX_DIBitmap> pDst = pdfium::MakeRetain<CFX_DIBitmap>();
+ pDst->Create(size_x_bm, size_y_bm, FXDIB_Rgb32);
+ pDst->Clear(0xffffffff);
+ pDst->CompositeBitmap(0, 0, size_x_bm, size_y_bm, pSrc, 0, 0,
+ FXDIB_BLEND_NORMAL, nullptr, false);
+
+ if (device->GetDeviceCaps(FXDC_DEVICE_CLASS) == FXDC_PRINTER) {
+ device->StretchDIBits(pDst, mask_area.left, mask_area.top, size_x_bm,
+ size_y_bm);
+ } else {
+ device->SetDIBits(pDst, mask_area.left, mask_area.top);
+ }
+}
+
+} // namespace
+
+FPDF_EXPORT void FPDF_CALLCONV FPDF_RenderPage(HDC dc,
+ FPDF_PAGE page,
+ int start_x,
+ int start_y,
+ int size_x,
+ int size_y,
+ int rotate,
+ int flags) {
+ CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
+ if (!pPage)
+ return;
+ pPage->SetRenderContext(pdfium::MakeUnique<CPDF_PageRenderContext>());
+ CPDF_PageRenderContext* pContext = pPage->GetRenderContext();
+
+ RetainPtr<CFX_DIBitmap> pBitmap;
+ // Don't render the full page to bitmap for a mask unless there are a lot
+ // of masks. Full page bitmaps result in large spool sizes, so they should
+ // only be used when necessary. For large numbers of masks, rendering each
+ // individually is inefficient and unlikely to significantly improve spool
+ // size. TODO (rbpotter): Find out why this still breaks printing for some
+ // PDFs (see crbug.com/777837).
+ const bool bEnableImageMasks = false;
+ const bool bNewBitmap = pPage->BackgroundAlphaNeeded() ||
+ (pPage->HasImageMask() && !bEnableImageMasks) ||
+ pPage->GetMaskBoundingBoxes().size() > 100;
+ const bool bHasMask = pPage->HasImageMask() && !bNewBitmap;
+ if (bNewBitmap || bHasMask) {
+ pBitmap = pdfium::MakeRetain<CFX_DIBitmap>();
+ pBitmap->Create(size_x, size_y, FXDIB_Argb);
+ pBitmap->Clear(0x00ffffff);
+ CFX_DefaultRenderDevice* pDevice = new CFX_DefaultRenderDevice;
+ pContext->m_pDevice = pdfium::WrapUnique(pDevice);
+ pDevice->Attach(pBitmap, false, nullptr, false);
+ if (bHasMask) {
+ pContext->m_pOptions = pdfium::MakeUnique<CPDF_RenderOptions>();
+ uint32_t option_flags = pContext->m_pOptions->GetFlags();
+ option_flags |= RENDER_BREAKFORMASKS;
+ pContext->m_pOptions->SetFlags(option_flags);
+ }
+ } else {
+ pContext->m_pDevice = pdfium::MakeUnique<CFX_WindowsRenderDevice>(dc);
+ }
+
+ FPDF_RenderPage_Retail(pContext, page, start_x, start_y, size_x, size_y,
+ rotate, flags, true, nullptr);
+
+ if (bHasMask) {
+ // Finish rendering the page to bitmap and copy the correct segments
+ // of the page to individual image mask bitmaps.
+ const std::vector<CFX_FloatRect>& mask_boxes =
+ pPage->GetMaskBoundingBoxes();
+ std::vector<FX_RECT> bitmap_areas(mask_boxes.size());
+ std::vector<RetainPtr<CFX_DIBitmap>> bitmaps(mask_boxes.size());
+ for (size_t i = 0; i < mask_boxes.size(); i++) {
+ bitmaps[i] =
+ GetMaskBitmap(pPage, start_x, start_y, size_x, size_y, rotate,
+ pBitmap, mask_boxes[i], &bitmap_areas[i]);
+ pContext->m_pRenderer->Continue(nullptr);
+ }
+
+ // Reset rendering context
+ pPage->SetRenderContext(nullptr);
+
+ // Begin rendering to the printer. Add flag to indicate the renderer should
+ // pause after each image mask.
+ pPage->SetRenderContext(pdfium::MakeUnique<CPDF_PageRenderContext>());
+ pContext = pPage->GetRenderContext();
+ pContext->m_pDevice = pdfium::MakeUnique<CFX_WindowsRenderDevice>(dc);
+ pContext->m_pOptions = pdfium::MakeUnique<CPDF_RenderOptions>();
+
+ uint32_t option_flags = pContext->m_pOptions->GetFlags();
+ option_flags |= RENDER_BREAKFORMASKS;
+ pContext->m_pOptions->SetFlags(option_flags);
+
+ FPDF_RenderPage_Retail(pContext, page, start_x, start_y, size_x, size_y,
+ rotate, flags, true, nullptr);
+
+ // Render masks
+ for (size_t i = 0; i < mask_boxes.size(); i++) {
+ // Render the bitmap for the mask and free the bitmap.
+ if (bitmaps[i]) { // will be null if mask has zero area
+ RenderBitmap(pContext->m_pDevice.get(), bitmaps[i], bitmap_areas[i]);
+ }
+ // Render the next portion of page.
+ pContext->m_pRenderer->Continue(nullptr);
+ }
+ } else if (bNewBitmap) {
+ CFX_WindowsRenderDevice WinDC(dc);
+ if (WinDC.GetDeviceCaps(FXDC_DEVICE_CLASS) == FXDC_PRINTER) {
+ auto pDst = pdfium::MakeRetain<CFX_DIBitmap>();
+ int pitch = pBitmap->GetPitch();
+ pDst->Create(size_x, size_y, FXDIB_Rgb32);
+ memset(pDst->GetBuffer(), -1, pitch * size_y);
+ pDst->CompositeBitmap(0, 0, size_x, size_y, pBitmap, 0, 0,
+ FXDIB_BLEND_NORMAL, nullptr, false);
+ WinDC.StretchDIBits(pDst, 0, 0, size_x, size_y);
+ } else {
+ WinDC.SetDIBits(pBitmap, 0, 0);
+ }
+ }
+
+ pPage->SetRenderContext(nullptr);
+}
+#endif // defined(_WIN32)
+
+FPDF_EXPORT void FPDF_CALLCONV FPDF_RenderPageBitmap(FPDF_BITMAP bitmap,
+ FPDF_PAGE page,
+ int start_x,
+ int start_y,
+ int size_x,
+ int size_y,
+ int rotate,
+ int flags) {
+ if (!bitmap)
+ return;
+
+ CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
+ if (!pPage)
+ return;
+
+ CPDF_PageRenderContext* pContext = new CPDF_PageRenderContext;
+ pPage->SetRenderContext(pdfium::WrapUnique(pContext));
+
+ CFX_DefaultRenderDevice* pDevice = new CFX_DefaultRenderDevice;
+ pContext->m_pDevice.reset(pDevice);
+
+ RetainPtr<CFX_DIBitmap> pBitmap(CFXBitmapFromFPDFBitmap(bitmap));
+ pDevice->Attach(pBitmap, !!(flags & FPDF_REVERSE_BYTE_ORDER), nullptr, false);
+ FPDF_RenderPage_Retail(pContext, page, start_x, start_y, size_x, size_y,
+ rotate, flags, true, nullptr);
+
+#ifdef _SKIA_SUPPORT_PATHS_
+ pDevice->Flush(true);
+ pBitmap->UnPreMultiply();
+#endif
+ pPage->SetRenderContext(nullptr);
+}
+
+FPDF_EXPORT void FPDF_CALLCONV
+FPDF_RenderPageBitmapWithMatrix(FPDF_BITMAP bitmap,
+ FPDF_PAGE page,
+ const FS_MATRIX* matrix,
+ const FS_RECTF* clipping,
+ int flags) {
+ if (!bitmap)
+ return;
+
+ CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
+ if (!pPage)
+ return;
+
+ CPDF_PageRenderContext* pContext = new CPDF_PageRenderContext;
+ pPage->SetRenderContext(pdfium::WrapUnique(pContext));
+
+ CFX_DefaultRenderDevice* pDevice = new CFX_DefaultRenderDevice;
+ pContext->m_pDevice.reset(pDevice);
+
+ RetainPtr<CFX_DIBitmap> pBitmap(CFXBitmapFromFPDFBitmap(bitmap));
+ pDevice->Attach(pBitmap, !!(flags & FPDF_REVERSE_BYTE_ORDER), nullptr, false);
+
+ CFX_FloatRect clipping_rect;
+ if (clipping)
+ clipping_rect = CFXFloatRectFromFSRECTF(*clipping);
+ FX_RECT clip_rect = clipping_rect.ToFxRect();
+
+ CFX_Matrix transform_matrix = pPage->GetDisplayMatrix(
+ 0, 0, pPage->GetPageWidth(), pPage->GetPageHeight(), 0);
+
+ if (matrix) {
+ transform_matrix.Concat(CFX_Matrix(matrix->a, matrix->b, matrix->c,
+ matrix->d, matrix->e, matrix->f));
+ }
+ RenderPageImpl(pContext, pPage, transform_matrix, clip_rect, flags, true,
+ nullptr);
+
+ pPage->SetRenderContext(nullptr);
+}
+
+#ifdef _SKIA_SUPPORT_
+FPDF_EXPORT FPDF_RECORDER FPDF_CALLCONV FPDF_RenderPageSkp(FPDF_PAGE page,
+ int size_x,
+ int size_y) {
+ CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
+ if (!pPage)
+ return nullptr;
+
+ CPDF_PageRenderContext* pContext = new CPDF_PageRenderContext;
+ pPage->SetRenderContext(pdfium::WrapUnique(pContext));
+ CFX_DefaultRenderDevice* skDevice = new CFX_DefaultRenderDevice;
+ FPDF_RECORDER recorder = skDevice->CreateRecorder(size_x, size_y);
+ pContext->m_pDevice.reset(skDevice);
+ FPDF_RenderPage_Retail(pContext, page, 0, 0, size_x, size_y, 0, 0, true,
+ nullptr);
+ pPage->SetRenderContext(nullptr);
+ return recorder;
+}
+#endif
+
+FPDF_EXPORT void FPDF_CALLCONV FPDF_ClosePage(FPDF_PAGE page) {
+ UnderlyingPageType* pPage = UnderlyingFromFPDFPage(page);
+ if (!page)
+ return;
+#ifdef PDF_ENABLE_XFA
+ // Take it back across the API and throw it away.
+ RetainPtr<CPDFXFA_Page>().Unleak(pPage);
+#else // PDF_ENABLE_XFA
+ CPDFSDK_PageView* pPageView =
+ static_cast<CPDFSDK_PageView*>(pPage->GetView());
+ if (pPageView) {
+ // We're already destroying the pageview, so bail early.
+ if (pPageView->IsBeingDestroyed())
+ return;
+
+ if (pPageView->IsLocked()) {
+ pPageView->TakePageOwnership();
+ return;
+ }
+
+ bool owned = pPageView->OwnsPage();
+ // This will delete the |pPageView| object. We must cleanup the PageView
+ // first because it will attempt to reset the View on the |pPage| during
+ // destruction.
+ pPageView->GetFormFillEnv()->RemovePageView(pPage);
+ // If the page was owned then the pageview will have deleted the page.
+ if (owned)
+ return;
+ }
+ delete pPage;
+#endif // PDF_ENABLE_XFA
+}
+
+FPDF_EXPORT void FPDF_CALLCONV FPDF_CloseDocument(FPDF_DOCUMENT document) {
+ delete UnderlyingFromFPDFDocument(document);
+}
+
+FPDF_EXPORT unsigned long FPDF_CALLCONV FPDF_GetLastError() {
+ return GetLastError();
+}
+
+FPDF_EXPORT void FPDF_CALLCONV FPDF_DeviceToPage(FPDF_PAGE page,
+ int start_x,
+ int start_y,
+ int size_x,
+ int size_y,
+ int rotate,
+ int device_x,
+ int device_y,
+ double* page_x,
+ double* page_y) {
+ if (!page || !page_x || !page_y)
+ return;
+ UnderlyingPageType* pPage = UnderlyingFromFPDFPage(page);
+#ifdef PDF_ENABLE_XFA
+ pPage->DeviceToPage(start_x, start_y, size_x, size_y, rotate, device_x,
+ device_y, page_x, page_y);
+#else // PDF_ENABLE_XFA
+ CFX_Matrix page2device =
+ pPage->GetDisplayMatrix(start_x, start_y, size_x, size_y, rotate);
+
+ CFX_PointF pos = page2device.GetInverse().Transform(
+ CFX_PointF(static_cast<float>(device_x), static_cast<float>(device_y)));
+
+ *page_x = pos.x;
+ *page_y = pos.y;
+#endif // PDF_ENABLE_XFA
+}
+
+FPDF_EXPORT void FPDF_CALLCONV 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 (!device_x || !device_y)
+ return;
+ UnderlyingPageType* pPage = UnderlyingFromFPDFPage(page);
+ if (!pPage)
+ return;
+#ifdef PDF_ENABLE_XFA
+ pPage->PageToDevice(start_x, start_y, size_x, size_y, rotate, page_x, page_y,
+ device_x, device_y);
+#else // PDF_ENABLE_XFA
+ CFX_Matrix page2device =
+ pPage->GetDisplayMatrix(start_x, start_y, size_x, size_y, rotate);
+ CFX_PointF pos = page2device.Transform(
+ CFX_PointF(static_cast<float>(page_x), static_cast<float>(page_y)));
+
+ *device_x = FXSYS_round(pos.x);
+ *device_y = FXSYS_round(pos.y);
+#endif // PDF_ENABLE_XFA
+}
+
+FPDF_EXPORT FPDF_BITMAP FPDF_CALLCONV FPDFBitmap_Create(int width,
+ int height,
+ int alpha) {
+ auto pBitmap = pdfium::MakeRetain<CFX_DIBitmap>();
+ if (!pBitmap->Create(width, height, alpha ? FXDIB_Argb : FXDIB_Rgb32))
+ return nullptr;
+
+ return pBitmap.Leak();
+}
+
+FPDF_EXPORT FPDF_BITMAP FPDF_CALLCONV FPDFBitmap_CreateEx(int width,
+ int height,
+ int format,
+ void* first_scan,
+ int stride) {
+ FXDIB_Format fx_format;
+ switch (format) {
+ case FPDFBitmap_Gray:
+ fx_format = FXDIB_8bppRgb;
+ break;
+ case FPDFBitmap_BGR:
+ fx_format = FXDIB_Rgb;
+ break;
+ case FPDFBitmap_BGRx:
+ fx_format = FXDIB_Rgb32;
+ break;
+ case FPDFBitmap_BGRA:
+ fx_format = FXDIB_Argb;
+ break;
+ default:
+ return nullptr;
+ }
+ auto pBitmap = pdfium::MakeRetain<CFX_DIBitmap>();
+ pBitmap->Create(width, height, fx_format, static_cast<uint8_t*>(first_scan),
+ stride);
+ return pBitmap.Leak();
+}
+
+FPDF_EXPORT int FPDF_CALLCONV FPDFBitmap_GetFormat(FPDF_BITMAP bitmap) {
+ if (!bitmap)
+ return FPDFBitmap_Unknown;
+
+ FXDIB_Format format = CFXBitmapFromFPDFBitmap(bitmap)->GetFormat();
+ switch (format) {
+ case FXDIB_8bppRgb:
+ case FXDIB_8bppMask:
+ return FPDFBitmap_Gray;
+ case FXDIB_Rgb:
+ return FPDFBitmap_BGR;
+ case FXDIB_Rgb32:
+ return FPDFBitmap_BGRx;
+ case FXDIB_Argb:
+ return FPDFBitmap_BGRA;
+ default:
+ return FPDFBitmap_Unknown;
+ }
+}
+
+FPDF_EXPORT void FPDF_CALLCONV FPDFBitmap_FillRect(FPDF_BITMAP bitmap,
+ int left,
+ int top,
+ int width,
+ int height,
+ FPDF_DWORD color) {
+ if (!bitmap)
+ return;
+
+ CFX_DefaultRenderDevice device;
+ RetainPtr<CFX_DIBitmap> pBitmap(CFXBitmapFromFPDFBitmap(bitmap));
+ device.Attach(pBitmap, false, nullptr, false);
+ if (!pBitmap->HasAlpha())
+ color |= 0xFF000000;
+ FX_RECT rect(left, top, left + width, top + height);
+ device.FillRect(&rect, color);
+}
+
+FPDF_EXPORT void* FPDF_CALLCONV FPDFBitmap_GetBuffer(FPDF_BITMAP bitmap) {
+ return bitmap ? CFXBitmapFromFPDFBitmap(bitmap)->GetBuffer() : nullptr;
+}
+
+FPDF_EXPORT int FPDF_CALLCONV FPDFBitmap_GetWidth(FPDF_BITMAP bitmap) {
+ return bitmap ? CFXBitmapFromFPDFBitmap(bitmap)->GetWidth() : 0;
+}
+
+FPDF_EXPORT int FPDF_CALLCONV FPDFBitmap_GetHeight(FPDF_BITMAP bitmap) {
+ return bitmap ? CFXBitmapFromFPDFBitmap(bitmap)->GetHeight() : 0;
+}
+
+FPDF_EXPORT int FPDF_CALLCONV FPDFBitmap_GetStride(FPDF_BITMAP bitmap) {
+ return bitmap ? CFXBitmapFromFPDFBitmap(bitmap)->GetPitch() : 0;
+}
+
+FPDF_EXPORT void FPDF_CALLCONV FPDFBitmap_Destroy(FPDF_BITMAP bitmap) {
+ RetainPtr<CFX_DIBitmap> destroyer;
+ destroyer.Unleak(CFXBitmapFromFPDFBitmap(bitmap));
+}
+
+void FPDF_RenderPage_Retail(CPDF_PageRenderContext* pContext,
+ FPDF_PAGE page,
+ int start_x,
+ int start_y,
+ int size_x,
+ int size_y,
+ int rotate,
+ int flags,
+ bool bNeedToRestore,
+ IPDFSDK_PauseAdapter* pause) {
+ CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
+ if (!pPage)
+ return;
+
+ RenderPageImpl(
+ pContext, pPage,
+ pPage->GetDisplayMatrix(start_x, start_y, size_x, size_y, rotate),
+ FX_RECT(start_x, start_y, start_x + size_x, start_y + size_y), flags,
+ bNeedToRestore, pause);
+}
+
+FPDF_EXPORT int FPDF_CALLCONV FPDF_GetPageSizeByIndex(FPDF_DOCUMENT document,
+ int page_index,
+ double* width,
+ double* height) {
+ UnderlyingDocumentType* pDoc = UnderlyingFromFPDFDocument(document);
+ if (!pDoc)
+ return false;
+
+#ifdef PDF_ENABLE_XFA
+ int count = pDoc->GetPageCount();
+ if (page_index < 0 || page_index >= count)
+ return false;
+ RetainPtr<CPDFXFA_Page> pPage = pDoc->GetXFAPage(page_index);
+ if (!pPage)
+ return false;
+ *width = pPage->GetPageWidth();
+ *height = pPage->GetPageHeight();
+#else // PDF_ENABLE_XFA
+ CPDF_Dictionary* pDict = pDoc->GetPage(page_index);
+ if (!pDict)
+ return false;
+
+ CPDF_Page page(pDoc, pDict, true);
+ *width = page.GetPageWidth();
+ *height = page.GetPageHeight();
+#endif // PDF_ENABLE_XFA
+
+ return true;
+}
+
+FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
+FPDF_VIEWERREF_GetPrintScaling(FPDF_DOCUMENT document) {
+ CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document);
+ if (!pDoc)
+ return true;
+ CPDF_ViewerPreferences viewRef(pDoc);
+ return viewRef.PrintScaling();
+}
+
+FPDF_EXPORT int FPDF_CALLCONV
+FPDF_VIEWERREF_GetNumCopies(FPDF_DOCUMENT document) {
+ CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document);
+ if (!pDoc)
+ return 1;
+ CPDF_ViewerPreferences viewRef(pDoc);
+ return viewRef.NumCopies();
+}
+
+FPDF_EXPORT FPDF_PAGERANGE FPDF_CALLCONV
+FPDF_VIEWERREF_GetPrintPageRange(FPDF_DOCUMENT document) {
+ CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document);
+ if (!pDoc)
+ return nullptr;
+ CPDF_ViewerPreferences viewRef(pDoc);
+ return viewRef.PrintPageRange();
+}
+
+FPDF_EXPORT FPDF_DUPLEXTYPE FPDF_CALLCONV
+FPDF_VIEWERREF_GetDuplex(FPDF_DOCUMENT document) {
+ CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document);
+ if (!pDoc)
+ return DuplexUndefined;
+ CPDF_ViewerPreferences viewRef(pDoc);
+ ByteString duplex = viewRef.Duplex();
+ if ("Simplex" == duplex)
+ return Simplex;
+ if ("DuplexFlipShortEdge" == duplex)
+ return DuplexFlipShortEdge;
+ if ("DuplexFlipLongEdge" == duplex)
+ return DuplexFlipLongEdge;
+ return DuplexUndefined;
+}
+
+FPDF_EXPORT unsigned long FPDF_CALLCONV
+FPDF_VIEWERREF_GetName(FPDF_DOCUMENT document,
+ FPDF_BYTESTRING key,
+ char* buffer,
+ unsigned long length) {
+ CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document);
+ if (!pDoc)
+ return 0;
+
+ CPDF_ViewerPreferences viewRef(pDoc);
+ ByteString bsVal;
+ if (!viewRef.GenericName(key, &bsVal))
+ return 0;
+
+ unsigned long dwStringLen = bsVal.GetLength() + 1;
+ if (buffer && length >= dwStringLen)
+ memcpy(buffer, bsVal.c_str(), dwStringLen);
+ return dwStringLen;
+}
+
+FPDF_EXPORT FPDF_DWORD FPDF_CALLCONV
+FPDF_CountNamedDests(FPDF_DOCUMENT document) {
+ CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document);
+ if (!pDoc)
+ return 0;
+
+ const CPDF_Dictionary* pRoot = pDoc->GetRoot();
+ if (!pRoot)
+ return 0;
+
+ CPDF_NameTree nameTree(pDoc, "Dests");
+ pdfium::base::CheckedNumeric<FPDF_DWORD> count = nameTree.GetCount();
+ CPDF_Dictionary* pDest = pRoot->GetDictFor("Dests");
+ if (pDest)
+ count += pDest->GetCount();
+
+ if (!count.IsValid())
+ return 0;
+
+ return count.ValueOrDie();
+}
+
+FPDF_EXPORT FPDF_DEST FPDF_CALLCONV
+FPDF_GetNamedDestByName(FPDF_DOCUMENT document, FPDF_BYTESTRING name) {
+ if (!name || name[0] == 0)
+ return nullptr;
+
+ CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document);
+ if (!pDoc)
+ return nullptr;
+
+ CPDF_NameTree name_tree(pDoc, "Dests");
+ return name_tree.LookupNamedDest(pDoc, PDF_DecodeText(ByteString(name)));
+}
+
+#ifdef PDF_ENABLE_XFA
+FPDF_EXPORT FPDF_RESULT FPDF_CALLCONV FPDF_BStr_Init(FPDF_BSTR* str) {
+ if (!str)
+ return -1;
+
+ memset(str, 0, sizeof(FPDF_BSTR));
+ return 0;
+}
+
+FPDF_EXPORT FPDF_RESULT FPDF_CALLCONV FPDF_BStr_Set(FPDF_BSTR* str,
+ FPDF_LPCSTR bstr,
+ int length) {
+ if (!str || !bstr || !length)
+ return -1;
+
+ if (length == -1)
+ length = strlen(bstr);
+
+ if (length == 0) {
+ FPDF_BStr_Clear(str);
+ 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;
+ memcpy(str->str, bstr, length);
+ str->len = length;
+
+ return 0;
+}
+
+FPDF_EXPORT FPDF_RESULT FPDF_CALLCONV FPDF_BStr_Clear(FPDF_BSTR* str) {
+ if (!str)
+ return -1;
+
+ if (str->str) {
+ FX_Free(str->str);
+ str->str = nullptr;
+ }
+ str->len = 0;
+ return 0;
+}
+#endif // PDF_ENABLE_XFA
+
+FPDF_EXPORT FPDF_DEST FPDF_CALLCONV FPDF_GetNamedDest(FPDF_DOCUMENT document,
+ int index,
+ void* buffer,
+ long* buflen) {
+ if (!buffer)
+ *buflen = 0;
+
+ if (index < 0)
+ return nullptr;
+
+ CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document);
+ if (!pDoc)
+ return nullptr;
+
+ const CPDF_Dictionary* pRoot = pDoc->GetRoot();
+ if (!pRoot)
+ return nullptr;
+
+ CPDF_Object* pDestObj = nullptr;
+ WideString wsName;
+ CPDF_NameTree nameTree(pDoc, "Dests");
+ int count = nameTree.GetCount();
+ if (index >= count) {
+ CPDF_Dictionary* pDest = pRoot->GetDictFor("Dests");
+ if (!pDest)
+ return nullptr;
+
+ pdfium::base::CheckedNumeric<int> checked_count = count;
+ checked_count += pDest->GetCount();
+ if (!checked_count.IsValid() || index >= checked_count.ValueOrDie())
+ return nullptr;
+
+ index -= count;
+ int i = 0;
+ ByteString bsName;
+ for (const auto& it : *pDest) {
+ bsName = it.first;
+ pDestObj = it.second.get();
+ if (!pDestObj)
+ continue;
+ if (i == index)
+ break;
+ i++;
+ }
+ wsName = PDF_DecodeText(bsName);
+ } else {
+ pDestObj = nameTree.LookupValueAndName(index, &wsName);
+ }
+ if (!pDestObj)
+ return nullptr;
+ if (CPDF_Dictionary* pDict = pDestObj->AsDictionary()) {
+ pDestObj = pDict->GetArrayFor("D");
+ if (!pDestObj)
+ return nullptr;
+ }
+ if (!pDestObj->IsArray())
+ return nullptr;
+
+ ByteString utf16Name = wsName.UTF16LE_Encode();
+ int len = utf16Name.GetLength();
+ if (!buffer) {
+ *buflen = len;
+ } else if (len <= *buflen) {
+ memcpy(buffer, utf16Name.c_str(), len);
+ *buflen = len;
+ } else {
+ *buflen = -1;
+ }
+ return (FPDF_DEST)pDestObj;
+}