Use ->() in CPDF_ColorState

Move methods to CPDF_ColorStateData.
Move MakePrivateCopy() methods to call sites.
Remove now-empty cpdf_colorstate.cpp file.

Review-Url: https://codereview.chromium.org/2291763002

7 files changed, 153 insertions, 162 deletions

diff --git a/core/fpdfapi/fpdf_page/cpdf_colorstate.cpp b/core/fpdfapi/fpdf_page/cpdf_colorstate.cpp
deleted file mode 100644
index a46dea3bb8..0000000000
--- a/core/fpdfapi/fpdf_page/cpdf_colorstate.cpp
+++ /dev/null
@@ -1,80 +0,0 @@
-// Copyright 2016 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 "core/fpdfapi/fpdf_page/cpdf_colorstate.h"
-
-#include "core/fpdfapi/fpdf_page/cpdf_pattern.h"
-#include "core/fpdfapi/fpdf_page/cpdf_tilingpattern.h"
-#include "core/fxge/include/fx_dib.h"
-
-void CPDF_ColorState::SetFillColor(CPDF_ColorSpace* pCS,
-                                   FX_FLOAT* pValue,
-                                   uint32_t nValues) {
-  MakePrivateCopy();
-  CPDF_ColorStateData* pData = GetObject();
-  SetColor(pData->m_FillColor, pData->m_FillRGB, pCS, pValue, nValues);
-}
-
-void CPDF_ColorState::SetStrokeColor(CPDF_ColorSpace* pCS,
-                                     FX_FLOAT* pValue,
-                                     uint32_t nValues) {
-  MakePrivateCopy();
-  CPDF_ColorStateData* pData = GetObject();
-  SetColor(pData->m_StrokeColor, pData->m_StrokeRGB, pCS, pValue, nValues);
-}
-
-void CPDF_ColorState::SetColor(CPDF_Color& color,
-                               uint32_t& rgb,
-                               CPDF_ColorSpace* pCS,
-                               FX_FLOAT* pValue,
-                               uint32_t nValues) {
-  if (pCS) {
-    color.SetColorSpace(pCS);
-  } else if (color.IsNull()) {
-    color.SetColorSpace(CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY));
-  }
-  if (color.GetColorSpace()->CountComponents() > nValues)
-    return;
-
-  color.SetValue(pValue);
-  int R, G, B;
-  rgb = color.GetRGB(R, G, B) ? FXSYS_RGB(R, G, B) : (uint32_t)-1;
-}
-
-void CPDF_ColorState::SetFillPattern(CPDF_Pattern* pPattern,
-                                     FX_FLOAT* pValue,
-                                     uint32_t nValues) {
-  MakePrivateCopy();
-  CPDF_ColorStateData* pData = GetObject();
-  pData->m_FillColor.SetValue(pPattern, pValue, nValues);
-  int R, G, B;
-  FX_BOOL ret = pData->m_FillColor.GetRGB(R, G, B);
-  if (CPDF_TilingPattern* pTilingPattern = pPattern->AsTilingPattern()) {
-    if (!ret && pTilingPattern->colored()) {
-      pData->m_FillRGB = 0x00BFBFBF;
-      return;
-    }
-  }
-  pData->m_FillRGB = ret ? FXSYS_RGB(R, G, B) : (uint32_t)-1;
-}
-
-void CPDF_ColorState::SetStrokePattern(CPDF_Pattern* pPattern,
-                                       FX_FLOAT* pValue,
-                                       uint32_t nValues) {
-  MakePrivateCopy();
-  CPDF_ColorStateData* pData = GetObject();
-  pData->m_StrokeColor.SetValue(pPattern, pValue, nValues);
-  int R, G, B;
-  FX_BOOL ret = pData->m_StrokeColor.GetRGB(R, G, B);
-  if (CPDF_TilingPattern* pTilingPattern = pPattern->AsTilingPattern()) {
-    if (!ret && pTilingPattern->colored()) {
-      pData->m_StrokeRGB = 0x00BFBFBF;
-      return;
-    }
-  }
-  pData->m_StrokeRGB =
-      pData->m_StrokeColor.GetRGB(R, G, B) ? FXSYS_RGB(R, G, B) : (uint32_t)-1;
-}
diff --git a/core/fpdfapi/fpdf_page/cpdf_colorstate.h b/core/fpdfapi/fpdf_page/cpdf_colorstate.h
index 128d67558d..b412947183 100644
--- a/core/fpdfapi/fpdf_page/cpdf_colorstate.h
+++ b/core/fpdfapi/fpdf_page/cpdf_colorstate.h
@@ -9,40 +9,8 @@
 
 #include "core/fpdfapi/fpdf_page/cpdf_colorstatedata.h"
 #include "core/fxcrt/include/cfx_count_ref.h"
-#include "core/fxcrt/include/fx_basic.h"
-#include "core/fxcrt/include/fx_system.h"
-
-class CPDF_Color;
-class CPDF_ColorSpace;
-class CPDF_Pattern;
 
 class CPDF_ColorState : public CFX_CountRef<CPDF_ColorStateData> {
- public:
-  const CPDF_Color* GetFillColor() const {
-    const CPDF_ColorStateData* pData = GetObject();
-    return pData ? &pData->m_FillColor : nullptr;
-  }
-
-  const CPDF_Color* GetStrokeColor() const {
-    const CPDF_ColorStateData* pData = GetObject();
-    return pData ? &pData->m_StrokeColor : nullptr;
-  }
-
-  void SetFillColor(CPDF_ColorSpace* pCS, FX_FLOAT* pValue, uint32_t nValues);
-  void SetStrokeColor(CPDF_ColorSpace* pCS, FX_FLOAT* pValue, uint32_t nValues);
-  void SetFillPattern(CPDF_Pattern* pattern,
-                      FX_FLOAT* pValue,
-                      uint32_t nValues);
-  void SetStrokePattern(CPDF_Pattern* pattern,
-                        FX_FLOAT* pValue,
-                        uint32_t nValues);
-
- private:
-  void SetColor(CPDF_Color& color,
-                uint32_t& rgb,
-                CPDF_ColorSpace* pCS,
-                FX_FLOAT* pValue,
-                uint32_t nValues);
 };
 
 #endif  // CORE_FPDFAPI_FPDF_PAGE_CPDF_COLORSTATE_H_
diff --git a/core/fpdfapi/fpdf_page/cpdf_colorstatedata.cpp b/core/fpdfapi/fpdf_page/cpdf_colorstatedata.cpp
index 9dbcdec267..3a771ffaf0 100644
--- a/core/fpdfapi/fpdf_page/cpdf_colorstatedata.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_colorstatedata.cpp
@@ -6,15 +6,79 @@
 
 #include "core/fpdfapi/fpdf_page/cpdf_colorstatedata.h"
 
-CPDF_ColorStateData::CPDF_ColorStateData(const CPDF_ColorStateData& src) {
+#include "core/fpdfapi/fpdf_page/cpdf_tilingpattern.h"
+#include "core/fxge/include/fx_dib.h"
+
+CPDF_ColorStateData::CPDF_ColorStateData(const CPDF_ColorStateData& src)
+    : m_FillRGB(src.m_FillRGB), m_StrokeRGB(src.m_StrokeRGB) {
   m_FillColor.Copy(&src.m_FillColor);
-  m_FillRGB = src.m_FillRGB;
   m_StrokeColor.Copy(&src.m_StrokeColor);
-  m_StrokeRGB = src.m_StrokeRGB;
 }
 
-void CPDF_ColorStateData::Default() {
-  m_FillRGB = m_StrokeRGB = 0;
+void CPDF_ColorStateData::SetDefault() {
+  m_FillRGB = 0;
+  m_StrokeRGB = 0;
   m_FillColor.SetColorSpace(CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY));
   m_StrokeColor.SetColorSpace(CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY));
 }
+
+void CPDF_ColorStateData::SetFillColor(CPDF_ColorSpace* pCS,
+                                       FX_FLOAT* pValue,
+                                       uint32_t nValues) {
+  SetColor(m_FillColor, m_FillRGB, pCS, pValue, nValues);
+}
+
+void CPDF_ColorStateData::SetStrokeColor(CPDF_ColorSpace* pCS,
+                                         FX_FLOAT* pValue,
+                                         uint32_t nValues) {
+  SetColor(m_StrokeColor, m_StrokeRGB, pCS, pValue, nValues);
+}
+
+void CPDF_ColorStateData::SetFillPattern(CPDF_Pattern* pPattern,
+                                         FX_FLOAT* pValue,
+                                         uint32_t nValues) {
+  m_FillColor.SetValue(pPattern, pValue, nValues);
+  int R, G, B;
+  FX_BOOL ret = m_FillColor.GetRGB(R, G, B);
+  if (CPDF_TilingPattern* pTilingPattern = pPattern->AsTilingPattern()) {
+    if (!ret && pTilingPattern->colored()) {
+      m_FillRGB = 0x00BFBFBF;
+      return;
+    }
+  }
+  m_FillRGB = ret ? FXSYS_RGB(R, G, B) : (uint32_t)-1;
+}
+
+void CPDF_ColorStateData::SetStrokePattern(CPDF_Pattern* pPattern,
+                                           FX_FLOAT* pValue,
+                                           uint32_t nValues) {
+  m_StrokeColor.SetValue(pPattern, pValue, nValues);
+  int R, G, B;
+  FX_BOOL ret = m_StrokeColor.GetRGB(R, G, B);
+  if (CPDF_TilingPattern* pTilingPattern = pPattern->AsTilingPattern()) {
+    if (!ret && pTilingPattern->colored()) {
+      m_StrokeRGB = 0x00BFBFBF;
+      return;
+    }
+  }
+  m_StrokeRGB =
+      m_StrokeColor.GetRGB(R, G, B) ? FXSYS_RGB(R, G, B) : (uint32_t)-1;
+}
+
+void CPDF_ColorStateData::SetColor(CPDF_Color& color,
+                                   uint32_t& rgb,
+                                   CPDF_ColorSpace* pCS,
+                                   FX_FLOAT* pValue,
+                                   uint32_t nValues) {
+  if (pCS) {
+    color.SetColorSpace(pCS);
+  } else if (color.IsNull()) {
+    color.SetColorSpace(CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY));
+  }
+  if (color.GetColorSpace()->CountComponents() > nValues)
+    return;
+
+  color.SetValue(pValue);
+  int R, G, B;
+  rgb = color.GetRGB(R, G, B) ? FXSYS_RGB(R, G, B) : (uint32_t)-1;
+}
diff --git a/core/fpdfapi/fpdf_page/cpdf_colorstatedata.h b/core/fpdfapi/fpdf_page/cpdf_colorstatedata.h
index 6a992ad0b1..1b8413f3f1 100644
--- a/core/fpdfapi/fpdf_page/cpdf_colorstatedata.h
+++ b/core/fpdfapi/fpdf_page/cpdf_colorstatedata.h
@@ -10,17 +10,49 @@
 #include "core/fpdfapi/fpdf_page/include/cpdf_color.h"
 #include "core/fxcrt/include/fx_system.h"
 
+class CPDF_Color;
+class CPDF_ColorSpace;
+class CPDF_Pattern;
+
 class CPDF_ColorStateData {
  public:
   CPDF_ColorStateData() : m_FillRGB(0), m_StrokeRGB(0) {}
   CPDF_ColorStateData(const CPDF_ColorStateData& src);
 
-  void Default();
+  void SetDefault();
+
+  uint32_t GetFillRGB() const { return m_FillRGB; }
+  void SetFillRGB(uint32_t rgb) { m_FillRGB = rgb; }
+
+  uint32_t GetStrokeRGB() const { return m_StrokeRGB; }
+  void SetStrokeRGB(uint32_t rgb) { m_StrokeRGB = rgb; }
+
+  CPDF_Color* GetFillColor() { return &m_FillColor; }
+  const CPDF_Color* GetFillColor() const { return &m_FillColor; }
+  void SetFillColor(CPDF_ColorSpace* pCS, FX_FLOAT* pValue, uint32_t nValues);
+
+  CPDF_Color* GetStrokeColor() { return &m_StrokeColor; }
+  const CPDF_Color* GetStrokeColor() const { return &m_StrokeColor; }
+  void SetStrokeColor(CPDF_ColorSpace* pCS, FX_FLOAT* pValue, uint32_t nValues);
+
+  void SetFillPattern(CPDF_Pattern* pattern,
+                      FX_FLOAT* pValue,
+                      uint32_t nValues);
+  void SetStrokePattern(CPDF_Pattern* pattern,
+                        FX_FLOAT* pValue,
+                        uint32_t nValues);
+
+ private:
+  void SetColor(CPDF_Color& color,
+                uint32_t& rgb,
+                CPDF_ColorSpace* pCS,
+                FX_FLOAT* pValue,
+                uint32_t nValues);
 
-  CPDF_Color m_FillColor;
   uint32_t m_FillRGB;
-  CPDF_Color m_StrokeColor;
   uint32_t m_StrokeRGB;
+  CPDF_Color m_FillColor;
+  CPDF_Color m_StrokeColor;
 };
 
 #endif  // CORE_FPDFAPI_FPDF_PAGE_CPDF_COLORSTATEDATA_H_
diff --git a/core/fpdfapi/fpdf_page/cpdf_graphicstates.cpp b/core/fpdfapi/fpdf_page/cpdf_graphicstates.cpp
index fc054caf21..d1eabb6908 100644
--- a/core/fpdfapi/fpdf_page/cpdf_graphicstates.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_graphicstates.cpp
@@ -11,7 +11,7 @@ CPDF_GraphicStates::CPDF_GraphicStates() {}
 CPDF_GraphicStates::~CPDF_GraphicStates() {}
 
 void CPDF_GraphicStates::DefaultStates() {
-  m_ColorState.New()->Default();
+  m_ColorState.New()->SetDefault();
 }
 
 void CPDF_GraphicStates::CopyStates(const CPDF_GraphicStates& src) {
diff --git a/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp b/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp
index 5d5b75b60e..5dc8480423 100644
--- a/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp
+++ b/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp
@@ -6,6 +6,7 @@
 
 #include "core/fpdfapi/fpdf_page/pageint.h"
 
+#include <algorithm>
 #include <memory>
 #include <utility>
 #include <vector>
@@ -692,7 +693,7 @@ void CPDF_StreamContentParser::Handle_SetColorSpace_Fill() {
     return;
 
   m_pCurStates->m_ColorState.MakePrivateCopy();
-  m_pCurStates->m_ColorState->m_FillColor.SetColorSpace(pCS);
+  m_pCurStates->m_ColorState->GetFillColor()->SetColorSpace(pCS);
 }
 
 void CPDF_StreamContentParser::Handle_SetColorSpace_Stroke() {
@@ -701,7 +702,7 @@ void CPDF_StreamContentParser::Handle_SetColorSpace_Stroke() {
     return;
 
   m_pCurStates->m_ColorState.MakePrivateCopy();
-  m_pCurStates->m_ColorState->m_StrokeColor.SetColorSpace(pCS);
+  m_pCurStates->m_ColorState->GetStrokeColor()->SetColorSpace(pCS);
 }
 
 void CPDF_StreamContentParser::Handle_SetDash() {
@@ -845,14 +846,16 @@ void CPDF_StreamContentParser::Handle_EOFillPath() {
 
 void CPDF_StreamContentParser::Handle_SetGray_Fill() {
   FX_FLOAT value = GetNumber(0);
-  CPDF_ColorSpace* pCS = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY);
-  m_pCurStates->m_ColorState.SetFillColor(pCS, &value, 1);
+  m_pCurStates->m_ColorState.MakePrivateCopy();
+  m_pCurStates->m_ColorState->SetFillColor(
+      CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY), &value, 1);
 }
 
 void CPDF_StreamContentParser::Handle_SetGray_Stroke() {
   FX_FLOAT value = GetNumber(0);
-  CPDF_ColorSpace* pCS = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY);
-  m_pCurStates->m_ColorState.SetStrokeColor(pCS, &value, 1);
+  m_pCurStates->m_ColorState.MakePrivateCopy();
+  m_pCurStates->m_ColorState->SetStrokeColor(
+      CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY), &value, 1);
 }
 
 void CPDF_StreamContentParser::Handle_SetExtendGraphState() {
@@ -900,11 +903,12 @@ void CPDF_StreamContentParser::Handle_SetCMYKColor_Fill() {
     return;
 
   FX_FLOAT values[4];
-  for (int i = 0; i < 4; i++) {
+  for (int i = 0; i < 4; i++)
     values[i] = GetNumber(3 - i);
-  }
-  CPDF_ColorSpace* pCS = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICECMYK);
-  m_pCurStates->m_ColorState.SetFillColor(pCS, values, 4);
+
+  m_pCurStates->m_ColorState.MakePrivateCopy();
+  m_pCurStates->m_ColorState->SetFillColor(
+      CPDF_ColorSpace::GetStockCS(PDFCS_DEVICECMYK), values, 4);
 }
 
 void CPDF_StreamContentParser::Handle_SetCMYKColor_Stroke() {
@@ -912,11 +916,12 @@ void CPDF_StreamContentParser::Handle_SetCMYKColor_Stroke() {
     return;
 
   FX_FLOAT values[4];
-  for (int i = 0; i < 4; i++) {
+  for (int i = 0; i < 4; i++)
     values[i] = GetNumber(3 - i);
-  }
-  CPDF_ColorSpace* pCS = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICECMYK);
-  m_pCurStates->m_ColorState.SetStrokeColor(pCS, values, 4);
+
+  m_pCurStates->m_ColorState.MakePrivateCopy();
+  m_pCurStates->m_ColorState->SetStrokeColor(
+      CPDF_ColorSpace::GetStockCS(PDFCS_DEVICECMYK), values, 4);
 }
 
 void CPDF_StreamContentParser::Handle_LineTo() {
@@ -981,11 +986,12 @@ void CPDF_StreamContentParser::Handle_SetRGBColor_Fill() {
     return;
 
   FX_FLOAT values[3];
-  for (int i = 0; i < 3; i++) {
+  for (int i = 0; i < 3; i++)
     values[i] = GetNumber(2 - i);
-  }
-  CPDF_ColorSpace* pCS = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB);
-  m_pCurStates->m_ColorState.SetFillColor(pCS, values, 3);
+
+  m_pCurStates->m_ColorState.MakePrivateCopy();
+  m_pCurStates->m_ColorState->SetFillColor(
+      CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB), values, 3);
 }
 
 void CPDF_StreamContentParser::Handle_SetRGBColor_Stroke() {
@@ -993,11 +999,12 @@ void CPDF_StreamContentParser::Handle_SetRGBColor_Stroke() {
     return;
 
   FX_FLOAT values[3];
-  for (int i = 0; i < 3; i++) {
+  for (int i = 0; i < 3; i++)
     values[i] = GetNumber(2 - i);
-  }
-  CPDF_ColorSpace* pCS = CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB);
-  m_pCurStates->m_ColorState.SetStrokeColor(pCS, values, 3);
+
+  m_pCurStates->m_ColorState.MakePrivateCopy();
+  m_pCurStates->m_ColorState->SetStrokeColor(
+      CPDF_ColorSpace::GetStockCS(PDFCS_DEVICERGB), values, 3);
 }
 
 void CPDF_StreamContentParser::Handle_SetRenderIntent() {}
@@ -1013,26 +1020,22 @@ void CPDF_StreamContentParser::Handle_StrokePath() {
 
 void CPDF_StreamContentParser::Handle_SetColor_Fill() {
   FX_FLOAT values[4];
-  int nargs = m_ParamCount;
-  if (nargs > 4) {
-    nargs = 4;
-  }
-  for (int i = 0; i < nargs; i++) {
+  uint32_t nargs = std::min(m_ParamCount, 4u);
+  for (uint32_t i = 0; i < nargs; i++)
     values[i] = GetNumber(nargs - i - 1);
-  }
-  m_pCurStates->m_ColorState.SetFillColor(nullptr, values, nargs);
+
+  m_pCurStates->m_ColorState.MakePrivateCopy();
+  m_pCurStates->m_ColorState->SetFillColor(nullptr, values, nargs);
 }
 
 void CPDF_StreamContentParser::Handle_SetColor_Stroke() {
   FX_FLOAT values[4];
-  int nargs = m_ParamCount;
-  if (nargs > 4) {
-    nargs = 4;
-  }
-  for (int i = 0; i < nargs; i++) {
+  uint32_t nargs = std::min(m_ParamCount, 4u);
+  for (uint32_t i = 0; i < nargs; i++)
     values[i] = GetNumber(nargs - i - 1);
-  }
-  m_pCurStates->m_ColorState.SetStrokeColor(nullptr, values, nargs);
+
+  m_pCurStates->m_ColorState.MakePrivateCopy();
+  m_pCurStates->m_ColorState->SetStrokeColor(nullptr, values, nargs);
 }
 
 void CPDF_StreamContentParser::Handle_SetColorPS_Fill() {
@@ -1054,10 +1057,12 @@ void CPDF_StreamContentParser::Handle_SetColorPS_Fill() {
   if (nvalues != nargs) {
     CPDF_Pattern* pPattern = FindPattern(GetString(0), false);
     if (pPattern) {
-      m_pCurStates->m_ColorState.SetFillPattern(pPattern, values, nvalues);
+      m_pCurStates->m_ColorState.MakePrivateCopy();
+      m_pCurStates->m_ColorState->SetFillPattern(pPattern, values, nvalues);
     }
   } else {
-    m_pCurStates->m_ColorState.SetFillColor(nullptr, values, nvalues);
+    m_pCurStates->m_ColorState.MakePrivateCopy();
+    m_pCurStates->m_ColorState->SetFillColor(nullptr, values, nvalues);
   }
   FX_Free(values);
 }
@@ -1082,10 +1087,12 @@ void CPDF_StreamContentParser::Handle_SetColorPS_Stroke() {
   if (nvalues != nargs) {
     CPDF_Pattern* pPattern = FindPattern(GetString(0), false);
     if (pPattern) {
-      m_pCurStates->m_ColorState.SetStrokePattern(pPattern, values, nvalues);
+      m_pCurStates->m_ColorState.MakePrivateCopy();
+      m_pCurStates->m_ColorState->SetStrokePattern(pPattern, values, nvalues);
     }
   } else {
-    m_pCurStates->m_ColorState.SetStrokeColor(nullptr, values, nvalues);
+    m_pCurStates->m_ColorState.MakePrivateCopy();
+    m_pCurStates->m_ColorState->SetStrokeColor(nullptr, values, nvalues);
   }
   FX_Free(values);
 }
diff --git a/core/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp b/core/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
index e19c9a4a61..756ae020aa 100644
--- a/core/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
+++ b/core/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
@@ -776,7 +776,7 @@ void CPDF_ContentParser::Continue(IFX_Pause* pPause) {
             nullptr, nullptr, m_pObjectHolder, m_pObjectHolder->m_pResources,
             &m_pObjectHolder->m_BBox, nullptr, 0));
         m_pParser->GetCurStates()->m_ColorState.MakePrivateCopy();
-        m_pParser->GetCurStates()->m_ColorState->Default();
+        m_pParser->GetCurStates()->m_ColorState->SetDefault();
       }
       if (m_CurrentOffset >= m_Size) {
         m_InternalStage = STAGE_CHECKCLIP;