From fc615c63d34037896963f636e4b5d9e05efd41de Mon Sep 17 00:00:00 2001
From: Lei Zhang <thestig@chromium.org>
Date: Fri, 8 Jun 2018 20:40:15 +0000
Subject: Add constants for PDF 1.7 spec, table 3.27.

BUG=pdfium:1049

Change-Id: Ie8bdb893d2af8d63420027a7ef95baf58cd97aa6
Reviewed-on: https://pdfium-review.googlesource.com/34691
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
---
 fpdfsdk/fpdf_transformpage.cpp | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

(limited to 'fpdfsdk/fpdf_transformpage.cpp')

diff --git a/fpdfsdk/fpdf_transformpage.cpp b/fpdfsdk/fpdf_transformpage.cpp
index 210c6b6fde..af6ac792fb 100644
--- a/fpdfsdk/fpdf_transformpage.cpp
+++ b/fpdfsdk/fpdf_transformpage.cpp
@@ -10,6 +10,7 @@
 #include <sstream>
 #include <vector>
 
+#include "constants/page_object.h"
 #include "core/fpdfapi/page/cpdf_clippath.h"
 #include "core/fpdfapi/page/cpdf_page.h"
 #include "core/fpdfapi/page/cpdf_pageobject.h"
@@ -51,7 +52,9 @@ bool GetBoundingBox(CPDF_Page* page,
 }
 
 CPDF_Object* GetPageContent(CPDF_Dictionary* pPageDict) {
-  return pPageDict ? pPageDict->GetDirectObjectFor("Contents") : nullptr;
+  return pPageDict
+             ? pPageDict->GetDirectObjectFor(pdfium::page_object::kContents)
+             : nullptr;
 }
 
 }  // namespace
@@ -65,7 +68,8 @@ FPDF_EXPORT void FPDF_CALLCONV FPDFPage_SetMediaBox(FPDF_PAGE page,
   if (!pPage)
     return;
 
-  SetBoundingBox(pPage, "MediaBox", CFX_FloatRect(left, bottom, right, top));
+  SetBoundingBox(pPage, pdfium::page_object::kMediaBox,
+                 CFX_FloatRect(left, bottom, right, top));
 }
 
 FPDF_EXPORT void FPDF_CALLCONV FPDFPage_SetCropBox(FPDF_PAGE page,
@@ -77,7 +81,8 @@ FPDF_EXPORT void FPDF_CALLCONV FPDFPage_SetCropBox(FPDF_PAGE page,
   if (!pPage)
     return;
 
-  SetBoundingBox(pPage, "CropBox", CFX_FloatRect(left, bottom, right, top));
+  SetBoundingBox(pPage, pdfium::page_object::kCropBox,
+                 CFX_FloatRect(left, bottom, right, top));
 }
 
 FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFPage_GetMediaBox(FPDF_PAGE page,
@@ -86,7 +91,8 @@ FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFPage_GetMediaBox(FPDF_PAGE page,
                                                          float* right,
                                                          float* top) {
   CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
-  return pPage && GetBoundingBox(pPage, "MediaBox", left, bottom, right, top);
+  return pPage && GetBoundingBox(pPage, pdfium::page_object::kMediaBox, left,
+                                 bottom, right, top);
 }
 
 FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFPage_GetCropBox(FPDF_PAGE page,
@@ -95,7 +101,8 @@ FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFPage_GetCropBox(FPDF_PAGE page,
                                                         float* right,
                                                         float* top) {
   CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
-  return pPage && GetBoundingBox(pPage, "CropBox", left, bottom, right, top);
+  return pPage && GetBoundingBox(pPage, pdfium::page_object::kCropBox, left,
+                                 bottom, right, top);
 }
 
 FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
@@ -151,12 +158,13 @@ FPDFPage_TransFormWithClip(FPDF_PAGE page,
     pContentArray->AddNew<CPDF_Reference>(pDoc, pStream->GetObjNum());
     pContentArray->AddNew<CPDF_Reference>(pDoc, pContentObj->GetObjNum());
     pContentArray->AddNew<CPDF_Reference>(pDoc, pEndStream->GetObjNum());
-    pPageDict->SetNewFor<CPDF_Reference>("Contents", pDoc,
+    pPageDict->SetNewFor<CPDF_Reference>(pdfium::page_object::kContents, pDoc,
                                          pContentArray->GetObjNum());
   }
 
   // Need to transform the patterns as well.
-  CPDF_Dictionary* pRes = pPageDict->GetDictFor("Resources");
+  CPDF_Dictionary* pRes =
+      pPageDict->GetDictFor(pdfium::page_object::kResources);
   if (pRes) {
     CPDF_Dictionary* pPattenDict = pRes->GetDictFor("Pattern");
     if (pPattenDict) {
@@ -302,7 +310,7 @@ FPDF_EXPORT void FPDF_CALLCONV FPDFPage_InsertClipPath(FPDF_PAGE page,
     CPDF_Array* pContentArray = pDoc->NewIndirect<CPDF_Array>();
     pContentArray->AddNew<CPDF_Reference>(pDoc, pStream->GetObjNum());
     pContentArray->AddNew<CPDF_Reference>(pDoc, pContentObj->GetObjNum());
-    pPageDict->SetNewFor<CPDF_Reference>("Contents", pDoc,
+    pPageDict->SetNewFor<CPDF_Reference>(pdfium::page_object::kContents, pDoc,
                                          pContentArray->GetObjNum());
   }
 }
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