Rename CFX_DIBSource to CFX_DIBBase.

It is not a source from which you can get CFX_DIBs, but rather a
base class from which all DIBs inherit.

Do the same thing for the CPDF_DIBSource wrapper class.
Mechanical change apart from adding a one-line comment in cfx_dibbase.h

Change-Id: Id2bde87813ca301d9fafc55ce08d703dfc6a7184
Reviewed-on: https://pdfium-review.googlesource.com/41352
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>

1 files changed, 0 insertions, 163 deletions

diff --git a/core/fpdfapi/render/cpdf_dibsource.h b/core/fpdfapi/render/cpdf_dibsource.h
deleted file mode 100644
index 597390cd18..0000000000
--- a/core/fpdfapi/render/cpdf_dibsource.h
+++ /dev/null
@@ -1,163 +0,0 @@
-// Copyright 2017 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
-
-#ifndef CORE_FPDFAPI_RENDER_CPDF_DIBSOURCE_H_
-#define CORE_FPDFAPI_RENDER_CPDF_DIBSOURCE_H_
-
-#include <map>
-#include <memory>
-#include <vector>
-
-#include "core/fpdfapi/page/cpdf_clippath.h"
-#include "core/fpdfapi/page/cpdf_countedobject.h"
-#include "core/fpdfapi/page/cpdf_graphicstates.h"
-#include "core/fpdfapi/parser/cpdf_stream_acc.h"
-#include "core/fpdfapi/render/cpdf_imageloader.h"
-#include "core/fpdfapi/render/cpdf_rendercontext.h"
-#include "core/fpdfapi/render/cpdf_renderoptions.h"
-#include "core/fxcrt/retain_ptr.h"
-#include "core/fxcrt/unowned_ptr.h"
-#include "core/fxge/cfx_defaultrenderdevice.h"
-#include "core/fxge/dib/cfx_dibsource.h"
-
-class CCodec_Jbig2Context;
-class CCodec_ScanlineDecoder;
-class CPDF_Color;
-class CPDF_Dictionary;
-class CPDF_Document;
-class CPDF_Stream;
-
-struct DIB_COMP_DATA {
-  float m_DecodeMin;
-  float m_DecodeStep;
-  int m_ColorKeyMin;
-  int m_ColorKeyMax;
-};
-
-#define FPDF_HUGE_IMAGE_SIZE 60000000
-
-class CPDF_DIBSource : public CFX_DIBSource {
- public:
-  enum class LoadState : uint8_t { kFail, kSuccess, kContinue };
-
-  template <typename T, typename... Args>
-  friend RetainPtr<T> pdfium::MakeRetain(Args&&... args);
-
-  bool Load(CPDF_Document* pDoc, const CPDF_Stream* pStream);
-
-  // CFX_DIBSource
-  bool SkipToScanline(int line, PauseIndicatorIface* pPause) const override;
-  uint8_t* GetBuffer() const override;
-  const uint8_t* GetScanline(int line) const override;
-  void DownSampleScanline(int line,
-                          uint8_t* dest_scan,
-                          int dest_bpp,
-                          int dest_width,
-                          bool bFlipX,
-                          int clip_left,
-                          int clip_width) const override;
-
-  const CPDF_ColorSpace* GetColorSpace() const { return m_pColorSpace.Get(); }
-  uint32_t GetMatteColor() const { return m_MatteColor; }
-
-  LoadState StartLoadDIBSource(CPDF_Document* pDoc,
-                               const CPDF_Stream* pStream,
-                               bool bHasMask,
-                               const CPDF_Dictionary* pFormResources,
-                               CPDF_Dictionary* pPageResources,
-                               bool bStdCS,
-                               uint32_t GroupFamily,
-                               bool bLoadMask);
-  LoadState ContinueLoadDIBSource(PauseIndicatorIface* pPause);
-  RetainPtr<CPDF_DIBSource> DetachMask();
-
-  bool IsJBigImage() const;
-
- private:
-  CPDF_DIBSource();
-  ~CPDF_DIBSource() override;
-
-  LoadState StartLoadMask();
-  LoadState StartLoadMaskDIB();
-  bool ContinueToLoadMask();
-  LoadState ContinueLoadMaskDIB(PauseIndicatorIface* pPause);
-  bool LoadColorInfo(const CPDF_Dictionary* pFormResources,
-                     const CPDF_Dictionary* pPageResources);
-  bool GetDecodeAndMaskArray(bool* bDefaultDecode, bool* bColorKey);
-  RetainPtr<CFX_DIBitmap> LoadJpxBitmap();
-  void LoadPalette();
-  LoadState CreateDecoder();
-  bool CreateDCTDecoder(const uint8_t* src_data,
-                        uint32_t src_size,
-                        const CPDF_Dictionary* pParams);
-  void TranslateScanline24bpp(uint8_t* dest_scan,
-                              const uint8_t* src_scan) const;
-  bool TranslateScanline24bppDefaultDecode(uint8_t* dest_scan,
-                                           const uint8_t* src_scan) const;
-  void ValidateDictParam();
-  void DownSampleScanline1Bit(int orig_Bpp,
-                              int dest_Bpp,
-                              uint32_t src_width,
-                              const uint8_t* pSrcLine,
-                              uint8_t* dest_scan,
-                              int dest_width,
-                              bool bFlipX,
-                              int clip_left,
-                              int clip_width) const;
-  void DownSampleScanline8Bit(int orig_Bpp,
-                              int dest_Bpp,
-                              uint32_t src_width,
-                              const uint8_t* pSrcLine,
-                              uint8_t* dest_scan,
-                              int dest_width,
-                              bool bFlipX,
-                              int clip_left,
-                              int clip_width) const;
-  void DownSampleScanline32Bit(int orig_Bpp,
-                               int dest_Bpp,
-                               uint32_t src_width,
-                               const uint8_t* pSrcLine,
-                               uint8_t* dest_scan,
-                               int dest_width,
-                               bool bFlipX,
-                               int clip_left,
-                               int clip_width) const;
-  bool TransMask() const;
-
-  UnownedPtr<CPDF_Document> m_pDocument;
-  UnownedPtr<const CPDF_Stream> m_pStream;
-  UnownedPtr<const CPDF_Dictionary> m_pDict;
-  RetainPtr<CPDF_StreamAcc> m_pStreamAcc;
-  UnownedPtr<CPDF_ColorSpace> m_pColorSpace;
-  uint32_t m_Family = 0;
-  uint32_t m_bpc = 0;
-  uint32_t m_bpc_orig = 0;
-  uint32_t m_nComponents = 0;
-  uint32_t m_GroupFamily = 0;
-  uint32_t m_MatteColor = 0;
-  bool m_bLoadMask = false;
-  bool m_bDefaultDecode = true;
-  bool m_bImageMask = false;
-  bool m_bDoBpcCheck = true;
-  bool m_bColorKey = false;
-  bool m_bHasMask = false;
-  bool m_bStdCS = false;
-  std::vector<DIB_COMP_DATA> m_CompData;
-  std::unique_ptr<uint8_t, FxFreeDeleter> m_pLineBuf;
-  std::unique_ptr<uint8_t, FxFreeDeleter> m_pMaskedLine;
-  RetainPtr<CFX_DIBitmap> m_pCachedBitmap;
-  RetainPtr<CPDF_DIBSource> m_pMask;
-  RetainPtr<CPDF_StreamAcc> m_pGlobalStream;
-  std::unique_ptr<CCodec_ScanlineDecoder> m_pDecoder;
-
-  // Must come after |m_pCachedBitmap|.
-  std::unique_ptr<CCodec_Jbig2Context> m_pJbig2Context;
-
-  UnownedPtr<const CPDF_Stream> m_pMaskStream;
-  LoadState m_Status = LoadState::kFail;
-};
-
-#endif  // CORE_FPDFAPI_RENDER_CPDF_DIBSOURCE_H_