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, 139 deletions

diff --git a/core/fxge/dib/cfx_dibsource.h b/core/fxge/dib/cfx_dibsource.h
deleted file mode 100644
index 064dbe2055..0000000000
--- a/core/fxge/dib/cfx_dibsource.h
+++ /dev/null
@@ -1,139 +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_FXGE_DIB_CFX_DIBSOURCE_H_
-#define CORE_FXGE_DIB_CFX_DIBSOURCE_H_
-
-#include <memory>
-
-#include "core/fxcrt/fx_coordinates.h"
-#include "core/fxcrt/fx_memory.h"
-#include "core/fxcrt/retain_ptr.h"
-#include "core/fxge/fx_dib.h"
-
-enum FXDIB_Channel {
-  FXDIB_Red = 1,
-  FXDIB_Green,
-  FXDIB_Blue,
-  FXDIB_Cyan,
-  FXDIB_Magenta,
-  FXDIB_Yellow,
-  FXDIB_Black,
-  FXDIB_Alpha
-};
-
-class CFX_ClipRgn;
-class CFX_DIBitmap;
-class PauseIndicatorIface;
-
-class CFX_DIBSource : public Retainable {
- public:
-  ~CFX_DIBSource() override;
-
-  virtual uint8_t* GetBuffer() const;
-  virtual const uint8_t* GetScanline(int line) const = 0;
-  virtual bool SkipToScanline(int line, PauseIndicatorIface* pPause) const;
-  virtual void DownSampleScanline(int line,
-                                  uint8_t* dest_scan,
-                                  int dest_bpp,
-                                  int dest_width,
-                                  bool bFlipX,
-                                  int clip_left,
-                                  int clip_width) const = 0;
-
-  uint8_t* GetWritableScanline(int line) {
-    return const_cast<uint8_t*>(GetScanline(line));
-  }
-  int GetWidth() const { return m_Width; }
-  int GetHeight() const { return m_Height; }
-
-  FXDIB_Format GetFormat() const {
-    return static_cast<FXDIB_Format>(m_AlphaFlag * 0x100 + m_bpp);
-  }
-  uint32_t GetPitch() const { return m_Pitch; }
-  uint32_t* GetPalette() const { return m_pPalette.get(); }
-  int GetBPP() const { return m_bpp; }
-
-  // TODO(thestig): Investigate this. Given the possible values of FXDIB_Format,
-  // it feels as though this should be implemented as !!(m_AlphaFlag & 1) and
-  // IsOpaqueImage() below should never be able to return true.
-  bool IsAlphaMask() const { return m_AlphaFlag == 1; }
-  bool HasAlpha() const { return !!(m_AlphaFlag & 2); }
-  bool IsOpaqueImage() const { return !(m_AlphaFlag & 3); }
-  bool IsCmykImage() const { return !!(m_AlphaFlag & 4); }
-
-  int GetPaletteSize() const {
-    return IsAlphaMask() ? 0 : (m_bpp == 1 ? 2 : (m_bpp == 8 ? 256 : 0));
-  }
-
-  uint32_t GetPaletteArgb(int index) const;
-  void SetPaletteArgb(int index, uint32_t color);
-
-  // Copies into internally-owned palette.
-  void SetPalette(const uint32_t* pSrcPal);
-
-  RetainPtr<CFX_DIBitmap> Clone(const FX_RECT* pClip) const;
-  RetainPtr<CFX_DIBitmap> CloneConvert(FXDIB_Format format);
-  RetainPtr<CFX_DIBitmap> StretchTo(int dest_width,
-                                    int dest_height,
-                                    uint32_t flags,
-                                    const FX_RECT* pClip);
-  RetainPtr<CFX_DIBitmap> TransformTo(const CFX_Matrix* pMatrix,
-                                      int* left,
-                                      int* top);
-  RetainPtr<CFX_DIBitmap> SwapXY(bool bXFlip, bool bYFlip) const;
-  RetainPtr<CFX_DIBitmap> FlipImage(bool bXFlip, bool bYFlip) const;
-
-  RetainPtr<CFX_DIBitmap> CloneAlphaMask() const;
-
-  // Copies into internally-owned mask.
-  bool SetAlphaMask(const RetainPtr<CFX_DIBSource>& pAlphaMask,
-                    const FX_RECT* pClip);
-
-  void GetOverlapRect(int& dest_left,
-                      int& dest_top,
-                      int& width,
-                      int& height,
-                      int src_width,
-                      int src_height,
-                      int& src_left,
-                      int& src_top,
-                      const CFX_ClipRgn* pClipRgn);
-
-#if defined _SKIA_SUPPORT_ || defined _SKIA_SUPPORT_PATHS_
-  void DebugVerifyBitmapIsPreMultiplied(void* buffer) const;
-#endif
-
-  RetainPtr<CFX_DIBitmap> m_pAlphaMask;
-
- protected:
-  CFX_DIBSource();
-
-  static bool ConvertBuffer(FXDIB_Format dest_format,
-                            uint8_t* dest_buf,
-                            int dest_pitch,
-                            int width,
-                            int height,
-                            const RetainPtr<CFX_DIBSource>& pSrcBitmap,
-                            int src_left,
-                            int src_top,
-                            std::unique_ptr<uint32_t, FxFreeDeleter>* pal);
-
-  void BuildPalette();
-  bool BuildAlphaMask();
-  int FindPalette(uint32_t color) const;
-  void GetPalette(uint32_t* pal, int alpha) const;
-
-  int m_Width;
-  int m_Height;
-  int m_bpp;
-  uint32_t m_AlphaFlag;
-  uint32_t m_Pitch;
-  // TODO(weili): Use std::vector for this.
-  std::unique_ptr<uint32_t, FxFreeDeleter> m_pPalette;
-};
-
-#endif  // CORE_FXGE_DIB_CFX_DIBSOURCE_H_