pdfium_test: print out some annotations

fpdfsdk/fpdfdoc.cpp

 // 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/fpdf_doc.h"
 
 #include <set>
 
 #include "core/fpdfapi/fpdf_page/include/cpdf_page.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_name.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_number.h"
 #include "fpdfsdk/include/fsdk_define.h"
 #include "third_party/base/stl_util.h"
 
 namespace {
 
 int THISMODULE = 0;
 
 CPDF_Bookmark FindBookmark(const CPDF_BookmarkTree& tree,
                            CPDF_Bookmark bookmark,
                            const CFX_WideString& title,
@@ skipping 187 matching lines @@
                                                       FPDF_DEST pDict) {
   if (!pDict)
     return 0;
   CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document);
   if (!pDoc)
     return 0;
   CPDF_Dest dest(static_cast<CPDF_Array*>(pDict));
   return dest.GetPageIndex(pDoc);
 }
 
+DLLEXPORT FPDF_BOOL STDCALL FPDFDest_GetLocationInPage(FPDF_DEST pDict,
+                                                       FS_FLOAT* x,
+                                                       FS_FLOAT* y) {
+  if (!pDict || !x || !y)
+    return FALSE;

[dsinclair, 2016/05/16 13:56:44]

nit: blank line after non-{}'d statement.

[hal.canary, 2016/05/21 00:40:25]

Done.

+  CPDF_Array* dest = static_cast<CPDF_Array*>(pDict);
+  if (dest->GetCount() < 4) {
+    return FALSE;
+  }

[dsinclair, 2016/05/16 13:56:44]

nit: no {}'s on single line bodies (and below)

[hal.canary, 2016/05/21 00:40:25]

Done.

+  const CPDF_Object* xyz = dest->GetDirectObjectAt(1);
+  if (!xyz->IsName() || xyz->AsName()->GetString() != "XYZ") {
+    return FALSE;
+  }
+  const CPDF_Object* objX = dest->GetDirectObjectAt(2);
+  const CPDF_Object* objY = dest->GetDirectObjectAt(3);
+  if (!objX || !objX->IsNumber() || !objY || !objY->IsNumber()) {
+    return FALSE;
+  }

[dsinclair, 2016/05/16 13:56:44]

const CPDF_Number* objX = ToNumber(dest->GetDirectObjectAt(2));
const CPDF_Number* objY = ToNumber(dest->getDirectObjectAt(3));
if (!objX || !objY)
  return FALSE;

[hal.canary, 2016/05/21 00:40:25]

Done.

+  const CPDF_Number* numX = objX->AsNumber();
+  const CPDF_Number* numY = objY->AsNumber();
+  if (!numX || !numY) {
+    return FALSE;
+  }
+  *x = numX->GetNumber();
+  *y = numY->GetNumber();
+  return TRUE;
+}
+
 DLLEXPORT FPDF_LINK STDCALL FPDFLink_GetLinkAtPoint(FPDF_PAGE page,
                                                     double x,
                                                     double y) {
   CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
   if (!pPage)
     return nullptr;
 
   CPDF_LinkList* pLinkList = GetLinkList(pPage);
   if (!pLinkList)
     return nullptr;
@@ skipping 134 matching lines @@
     return 0;
   CFX_WideString text = pInfo->GetUnicodeTextBy(tag);
   // Use UTF-16LE encoding
   CFX_ByteString encodedText = text.UTF16LE_Encode();
   unsigned long len = encodedText.GetLength();
   if (buffer && buflen >= len) {
     FXSYS_memcpy(buffer, encodedText.c_str(), len);
   }
   return len;
 }