Add -> operators to CFX_CountRef.chromium/2842

Allows CFX_CountRefs to behave more like pointers.
Rename SetNull() to Clear() for consistency with other ptrs.
Change GetPrivateCopy() into MakePrivateCopy() with no return,
since the -> operators are clearer than getting an object pointer.

Review-Url: https://codereview.chromium.org/2283113002

2 files changed, 16 insertions, 17 deletions

diff --git a/core/fpdfapi/fpdf_render/fpdf_render.cpp b/core/fpdfapi/fpdf_render/fpdf_render.cpp
index f77e46d923..f5ab9696c7 100644
--- a/core/fpdfapi/fpdf_render/fpdf_render.cpp
+++ b/core/fpdfapi/fpdf_render/fpdf_render.cpp
@@ -199,16 +199,16 @@ FX_BOOL CPDF_RenderStatus::Initialize(CPDF_RenderContext* pContext,
       const CPDF_ColorStateData* pParentData =
           pParentState->m_InitialStates.m_ColorState.GetObject();
       if (!pColorData || pColorData->m_FillColor.IsNull()) {
-        CPDF_ColorStateData* pData =
-            m_InitialStates.m_ColorState.GetPrivateCopy();
-        pData->m_FillRGB = pParentData->m_FillRGB;
-        pData->m_FillColor.Copy(&pParentData->m_FillColor);
+        m_InitialStates.m_ColorState.MakePrivateCopy();
+        m_InitialStates.m_ColorState->m_FillRGB = pParentData->m_FillRGB;
+        m_InitialStates.m_ColorState->m_FillColor.Copy(
+            &pParentData->m_FillColor);
       }
       if (!pColorData || pColorData->m_StrokeColor.IsNull()) {
-        CPDF_ColorStateData* pData =
-            m_InitialStates.m_ColorState.GetPrivateCopy();
-        pData->m_StrokeRGB = pParentData->m_FillRGB;
-        pData->m_StrokeColor.Copy(&pParentData->m_StrokeColor);
+        m_InitialStates.m_ColorState.MakePrivateCopy();
+        m_InitialStates.m_ColorState->m_StrokeRGB = pParentData->m_FillRGB;
+        m_InitialStates.m_ColorState->m_StrokeColor.Copy(
+            &pParentData->m_StrokeColor);
       }
     }
   } else {
@@ -579,7 +579,7 @@ void CPDF_RenderStatus::ProcessClipPath(CPDF_ClipPath ClipPath,
   if (!ClipPath) {
     if (m_LastClipPath) {
       m_pDevice->RestoreState(true);
-      m_LastClipPath.SetNull();
+      m_LastClipPath.Clear();
     }
     return;
   }
@@ -921,11 +921,11 @@ CPDF_GraphicStates* CPDF_RenderStatus::CloneObjStates(
                                     ? pSrcStates->m_ColorState.GetStrokeColor()
                                     : pSrcStates->m_ColorState.GetFillColor();
   if (!pObjColor->IsNull()) {
-    CPDF_ColorStateData* pColorData = pStates->m_ColorState.GetPrivateCopy();
-    pColorData->m_FillRGB =
-        bStroke ? pSrcStates->m_ColorState.GetObject()->m_StrokeRGB
-                : pSrcStates->m_ColorState.GetObject()->m_FillRGB;
-    pColorData->m_StrokeRGB = pColorData->m_FillRGB;
+    pStates->m_ColorState.MakePrivateCopy();
+    pStates->m_ColorState->m_FillRGB =
+        bStroke ? pSrcStates->m_ColorState->m_StrokeRGB
+                : pSrcStates->m_ColorState->m_FillRGB;
+    pStates->m_ColorState->m_StrokeRGB = pStates->m_ColorState->m_FillRGB;
   }
   return pStates;
 }
diff --git a/core/fpdfapi/fpdf_render/fpdf_render_text.cpp b/core/fpdfapi/fpdf_render/fpdf_render_text.cpp
index 16d1235f4d..4b59f1d61a 100644
--- a/core/fpdfapi/fpdf_render/fpdf_render_text.cpp
+++ b/core/fpdfapi/fpdf_render/fpdf_render_text.cpp
@@ -231,8 +231,7 @@ FX_BOOL CPDF_RenderStatus::ProcessText(const CPDF_TextObject* textobj,
   if (textobj->m_nChars == 0)
     return TRUE;
 
-  const TextRenderingMode& text_render_mode =
-      textobj->m_TextState.GetObject()->m_TextMode;
+  const TextRenderingMode& text_render_mode = textobj->m_TextState->m_TextMode;
   if (text_render_mode == TextRenderingMode::MODE_INVISIBLE)
     return TRUE;
 
@@ -308,7 +307,7 @@ FX_BOOL CPDF_RenderStatus::ProcessText(const CPDF_TextObject* textobj,
     const CFX_Matrix* pDeviceMatrix = pObj2Device;
     CFX_Matrix device_matrix;
     if (bStroke) {
-      const FX_FLOAT* pCTM = textobj->m_TextState.GetObject()->m_CTM;
+      const FX_FLOAT* pCTM = textobj->m_TextState->m_CTM;
       if (pCTM[0] != 1.0f || pCTM[3] != 1.0f) {
         CFX_Matrix ctm(pCTM[0], pCTM[1], pCTM[2], pCTM[3], 0, 0);
         text_matrix.ConcatInverse(ctm);