From 979ddd8e4d331b330360f321b7b0c1acaead6445 Mon Sep 17 00:00:00 2001
From: Tom Sepez <tsepez@chromium.org>
Date: Thu, 17 Dec 2015 13:41:13 -0800
Subject: Merge to XFA: Tidy CPDF_RenderContext

Original Review URL: https://codereview.chromium.org/1536623004 .
(cherry picked from commit 761660c4074269ac806d06c9bef70e4e9fb0eb29)

TBR=thestig@chromium.org

Review URL: https://codereview.chromium.org/1531423002 .
---
 core/src/fpdfdoc/doc_annot.cpp       | 13 ++++++-------
 core/src/fpdfdoc/doc_formcontrol.cpp | 16 +++++++---------
 2 files changed, 13 insertions(+), 16 deletions(-)

(limited to 'core/src/fpdfdoc')

diff --git a/core/src/fpdfdoc/doc_annot.cpp b/core/src/fpdfdoc/doc_annot.cpp
index 8f3d7f99eb..f4a75e6afc 100644
--- a/core/src/fpdfdoc/doc_annot.cpp
+++ b/core/src/fpdfdoc/doc_annot.cpp
@@ -46,7 +46,7 @@ CPDF_AnnotList::~CPDF_AnnotList() {
     delete annot;
 }
 
-void CPDF_AnnotList::DisplayPass(const CPDF_Page* pPage,
+void CPDF_AnnotList::DisplayPass(CPDF_Page* pPage,
                                  CFX_RenderDevice* pDevice,
                                  CPDF_RenderContext* pContext,
                                  FX_BOOL bPrinting,
@@ -97,7 +97,7 @@ void CPDF_AnnotList::DisplayPass(const CPDF_Page* pPage,
   }
 }
 
-void CPDF_AnnotList::DisplayAnnots(const CPDF_Page* pPage,
+void CPDF_AnnotList::DisplayAnnots(CPDF_Page* pPage,
                                    CFX_RenderDevice* pDevice,
                                    CPDF_RenderContext* pContext,
                                    FX_BOOL bPrinting,
@@ -216,7 +216,7 @@ static CPDF_Form* FPDFDOC_Annot_GetMatrix(const CPDF_Page* pPage,
   matrix.Concat(*pUser2Device);
   return pForm;
 }
-FX_BOOL CPDF_Annot::DrawAppearance(const CPDF_Page* pPage,
+FX_BOOL CPDF_Annot::DrawAppearance(CPDF_Page* pPage,
                                    CFX_RenderDevice* pDevice,
                                    const CFX_Matrix* pUser2Device,
                                    AppearanceMode mode,
@@ -227,13 +227,12 @@ FX_BOOL CPDF_Annot::DrawAppearance(const CPDF_Page* pPage,
   if (!pForm) {
     return FALSE;
   }
-  CPDF_RenderContext context;
-  context.Create((CPDF_Page*)pPage);
+  CPDF_RenderContext context(pPage);
   context.DrawObjectList(pDevice, pForm, &matrix, pOptions);
   return TRUE;
 }
 FX_BOOL CPDF_Annot::DrawInContext(const CPDF_Page* pPage,
-                                  const CPDF_RenderContext* pContext,
+                                  CPDF_RenderContext* pContext,
                                   const CFX_Matrix* pUser2Device,
                                   AppearanceMode mode) {
   CFX_Matrix matrix;
@@ -242,7 +241,7 @@ FX_BOOL CPDF_Annot::DrawInContext(const CPDF_Page* pPage,
   if (!pForm) {
     return FALSE;
   }
-  ((CPDF_RenderContext*)pContext)->AppendObjectList(pForm, &matrix);
+  pContext->AppendObjectList(pForm, &matrix);
   return TRUE;
 }
 void CPDF_Annot::DrawBorder(CFX_RenderDevice* pDevice,
diff --git a/core/src/fpdfdoc/doc_formcontrol.cpp b/core/src/fpdfdoc/doc_formcontrol.cpp
index fa0441cf79..93e837feaf 100644
--- a/core/src/fpdfdoc/doc_formcontrol.cpp
+++ b/core/src/fpdfdoc/doc_formcontrol.cpp
@@ -170,22 +170,20 @@ void CPDF_FormControl::DrawControl(CFX_RenderDevice* pDevice,
   CPDF_Form form(m_pField->m_pForm->m_pDocument,
                  m_pField->m_pForm->m_pFormDict->GetDict("DR"), pStream);
   form.ParseContent(NULL, NULL, NULL, NULL);
-  CPDF_RenderContext context;
-  context.Create(pPage);
+  CPDF_RenderContext context(pPage);
   context.DrawObjectList(pDevice, &form, &matrix, pOptions);
 }
-const FX_CHAR* g_sHighlightingMode[] = {"N", "I", "O", "P", "T", ""};
+static const FX_CHAR* const g_sHighlightingMode[] = {
+    // Must match order of HiglightingMode enum.
+    "N", "I", "O", "P", "T", nullptr};
 CPDF_FormControl::HighlightingMode CPDF_FormControl::GetHighlightingMode() {
   if (!m_pWidgetDict) {
     return Invert;
   }
   CFX_ByteString csH = m_pWidgetDict->GetString("H", "I");
-  int i = 0;
-  while (g_sHighlightingMode[i][0] != '\0') {
-    if (csH.Equal(g_sHighlightingMode[i])) {
-      return (HighlightingMode)i;
-    }
-    i++;
+  for (int i = 0; g_sHighlightingMode[i]; ++i) {
+    if (csH.Equal(g_sHighlightingMode[i]))
+      return static_cast<HighlightingMode>(i);
   }
   return Invert;
 }
-- 
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