Update pdfium for windows

dependencies/pdfium/win/public/cpp/fpdf_deleters.h

@@ -0,0 +1,86 @@
+// Copyright 2017 The PDFium Authors
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PUBLIC_CPP_FPDF_DELETERS_H_
+#define PUBLIC_CPP_FPDF_DELETERS_H_
+
+#include "public/fpdf_annot.h"
+#include "public/fpdf_dataavail.h"
+#include "public/fpdf_edit.h"
+#include "public/fpdf_formfill.h"
+#include "public/fpdf_javascript.h"
+#include "public/fpdf_structtree.h"
+#include "public/fpdf_text.h"
+#include "public/fpdf_transformpage.h"
+#include "public/fpdfview.h"
+
+// Custom deleters for using FPDF_* types with std::unique_ptr<>.
+
+struct FPDFAnnotationDeleter {
+  inline void operator()(FPDF_ANNOTATION annot) { FPDFPage_CloseAnnot(annot); }
+};
+
+struct FPDFAvailDeleter {
+  inline void operator()(FPDF_AVAIL avail) { FPDFAvail_Destroy(avail); }
+};
+
+struct FPDFBitmapDeleter {
+  inline void operator()(FPDF_BITMAP bitmap) { FPDFBitmap_Destroy(bitmap); }
+};
+
+struct FPDFClipPathDeleter {
+  inline void operator()(FPDF_CLIPPATH clip_path) {
+    FPDF_DestroyClipPath(clip_path);
+  }
+};
+
+struct FPDFDocumentDeleter {
+  inline void operator()(FPDF_DOCUMENT doc) { FPDF_CloseDocument(doc); }
+};
+
+struct FPDFFontDeleter {
+  inline void operator()(FPDF_FONT font) { FPDFFont_Close(font); }
+};
+
+struct FPDFFormHandleDeleter {
+  inline void operator()(FPDF_FORMHANDLE form) {
+    FPDFDOC_ExitFormFillEnvironment(form);
+  }
+};
+
+struct FPDFJavaScriptActionDeleter {
+  inline void operator()(FPDF_JAVASCRIPT_ACTION javascript) {
+    FPDFDoc_CloseJavaScriptAction(javascript);
+  }
+};
+
+struct FPDFPageDeleter {
+  inline void operator()(FPDF_PAGE page) { FPDF_ClosePage(page); }
+};
+
+struct FPDFPageLinkDeleter {
+  inline void operator()(FPDF_PAGELINK pagelink) {
+    FPDFLink_CloseWebLinks(pagelink);
+  }
+};
+
+struct FPDFPageObjectDeleter {
+  inline void operator()(FPDF_PAGEOBJECT object) {
+    FPDFPageObj_Destroy(object);
+  }
+};
+
+struct FPDFStructTreeDeleter {
+  inline void operator()(FPDF_STRUCTTREE tree) { FPDF_StructTree_Close(tree); }
+};
+
+struct FPDFTextFindDeleter {
+  inline void operator()(FPDF_SCHHANDLE handle) { FPDFText_FindClose(handle); }
+};
+
+struct FPDFTextPageDeleter {
+  inline void operator()(FPDF_TEXTPAGE text) { FPDFText_ClosePage(text); }
+};
+
+#endif  // PUBLIC_CPP_FPDF_DELETERS_H_

dependencies/pdfium/win/public/cpp/fpdf_scopers.h

@@ -0,0 +1,67 @@
+// Copyright 2018 The PDFium Authors
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PUBLIC_CPP_FPDF_SCOPERS_H_
+#define PUBLIC_CPP_FPDF_SCOPERS_H_
+
+#include <memory>
+#include <type_traits>
+
+#include "public/cpp/fpdf_deleters.h"
+
+// Versions of FPDF types that clean up the object at scope exit.
+
+using ScopedFPDFAnnotation =
+    std::unique_ptr<std::remove_pointer<FPDF_ANNOTATION>::type,
+                    FPDFAnnotationDeleter>;
+
+using ScopedFPDFAvail =
+    std::unique_ptr<std::remove_pointer<FPDF_AVAIL>::type, FPDFAvailDeleter>;
+
+using ScopedFPDFBitmap =
+    std::unique_ptr<std::remove_pointer<FPDF_BITMAP>::type, FPDFBitmapDeleter>;
+
+using ScopedFPDFClipPath =
+    std::unique_ptr<std::remove_pointer<FPDF_CLIPPATH>::type,
+                    FPDFClipPathDeleter>;
+
+using ScopedFPDFDocument =
+    std::unique_ptr<std::remove_pointer<FPDF_DOCUMENT>::type,
+                    FPDFDocumentDeleter>;
+
+using ScopedFPDFFont =
+    std::unique_ptr<std::remove_pointer<FPDF_FONT>::type, FPDFFontDeleter>;
+
+using ScopedFPDFFormHandle =
+    std::unique_ptr<std::remove_pointer<FPDF_FORMHANDLE>::type,
+                    FPDFFormHandleDeleter>;
+
+using ScopedFPDFJavaScriptAction =
+    std::unique_ptr<std::remove_pointer<FPDF_JAVASCRIPT_ACTION>::type,
+                    FPDFJavaScriptActionDeleter>;
+
+using ScopedFPDFPage =
+    std::unique_ptr<std::remove_pointer<FPDF_PAGE>::type, FPDFPageDeleter>;
+
+using ScopedFPDFPageLink =
+    std::unique_ptr<std::remove_pointer<FPDF_PAGELINK>::type,
+                    FPDFPageLinkDeleter>;
+
+using ScopedFPDFPageObject =
+    std::unique_ptr<std::remove_pointer<FPDF_PAGEOBJECT>::type,
+                    FPDFPageObjectDeleter>;
+
+using ScopedFPDFStructTree =
+    std::unique_ptr<std::remove_pointer<FPDF_STRUCTTREE>::type,
+                    FPDFStructTreeDeleter>;
+
+using ScopedFPDFTextFind =
+    std::unique_ptr<std::remove_pointer<FPDF_SCHHANDLE>::type,
+                    FPDFTextFindDeleter>;
+
+using ScopedFPDFTextPage =
+    std::unique_ptr<std::remove_pointer<FPDF_TEXTPAGE>::type,
+                    FPDFTextPageDeleter>;
+
+#endif  // PUBLIC_CPP_FPDF_SCOPERS_H_