Move ifx_renderdevicedriver to a separate file to share

Move ifx_renderdevicedriver class to its own file to share with
multiple devices to reduce code duplication.

Review-Url: https://codereview.chromium.org/2078783002

3 files changed, 107 insertions, 87 deletions

diff --git a/core/fxge/include/fx_ge.h b/core/fxge/include/fx_ge.h
index 538afdb581..5599a75f59 100644
--- a/core/fxge/include/fx_ge.h
+++ b/core/fxge/include/fx_ge.h
@@ -423,91 +423,4 @@ class CFX_FxgeDevice : public CFX_RenderDevice {
   bool m_bOwnedBitmap;
 };
 
-class IFX_RenderDeviceDriver {
- public:
-  virtual ~IFX_RenderDeviceDriver();
-
-  static IFX_RenderDeviceDriver* CreateFxgeDriver(CFX_DIBitmap* pBitmap,
-                                                  FX_BOOL bRgbByteOrder,
-                                                  CFX_DIBitmap* pOriDevice,
-                                                  FX_BOOL bGroupKnockout);
-
-
-  virtual int GetDeviceCaps(int caps_id) = 0;
-
-  virtual CFX_Matrix GetCTM() const;
-
-  virtual FX_BOOL StartRendering();
-  virtual void EndRendering();
-  virtual void SaveState() = 0;
-  virtual void RestoreState(bool bKeepSaved) = 0;
-
-  virtual FX_BOOL SetClip_PathFill(const CFX_PathData* pPathData,
-                                   const CFX_Matrix* pObject2Device,
-                                   int fill_mode) = 0;
-  virtual FX_BOOL SetClip_PathStroke(const CFX_PathData* pPathData,
-                                     const CFX_Matrix* pObject2Device,
-                                     const CFX_GraphStateData* pGraphState);
-  virtual FX_BOOL DrawPath(const CFX_PathData* pPathData,
-                           const CFX_Matrix* pObject2Device,
-                           const CFX_GraphStateData* pGraphState,
-                           uint32_t fill_color,
-                           uint32_t stroke_color,
-                           int fill_mode,
-                           int blend_type) = 0;
-  virtual FX_BOOL SetPixel(int x, int y, uint32_t color);
-  virtual FX_BOOL FillRectWithBlend(const FX_RECT* pRect,
-                                    uint32_t fill_color,
-                                    int blend_type);
-  virtual FX_BOOL DrawCosmeticLine(FX_FLOAT x1,
-                                   FX_FLOAT y1,
-                                   FX_FLOAT x2,
-                                   FX_FLOAT y2,
-                                   uint32_t color,
-                                   int blend_type);
-
-  virtual FX_BOOL GetClipBox(FX_RECT* pRect) = 0;
-  virtual FX_BOOL GetDIBits(CFX_DIBitmap* pBitmap, int left, int top);
-  virtual CFX_DIBitmap* GetBackDrop();
-  virtual FX_BOOL SetDIBits(const CFX_DIBSource* pBitmap,
-                            uint32_t color,
-                            const FX_RECT* pSrcRect,
-                            int dest_left,
-                            int dest_top,
-                            int blend_type) = 0;
-  virtual FX_BOOL StretchDIBits(const CFX_DIBSource* pBitmap,
-                                uint32_t color,
-                                int dest_left,
-                                int dest_top,
-                                int dest_width,
-                                int dest_height,
-                                const FX_RECT* pClipRect,
-                                uint32_t flags,
-                                int blend_type) = 0;
-  virtual FX_BOOL StartDIBits(const CFX_DIBSource* pBitmap,
-                              int bitmap_alpha,
-                              uint32_t color,
-                              const CFX_Matrix* pMatrix,
-                              uint32_t flags,
-                              void*& handle,
-                              int blend_type) = 0;
-  virtual FX_BOOL ContinueDIBits(void* handle, IFX_Pause* pPause);
-  virtual void CancelDIBits(void* handle);
-  virtual FX_BOOL DrawDeviceText(int nChars,
-                                 const FXTEXT_CHARPOS* pCharPos,
-                                 CFX_Font* pFont,
-                                 CFX_FontCache* pCache,
-                                 const CFX_Matrix* pObject2Device,
-                                 FX_FLOAT font_size,
-                                 uint32_t color);
-  virtual void* GetPlatformSurface() const;
-  virtual int GetDriverType() const;
-  virtual void ClearDriver();
-  virtual FX_BOOL DrawShading(const CPDF_ShadingPattern* pPattern,
-                              const CFX_Matrix* pMatrix,
-                              const FX_RECT& clip_rect,
-                              int alpha,
-                              FX_BOOL bAlphaMode);
-};
-
 #endif  // CORE_FXGE_INCLUDE_FX_GE_H_
diff --git a/core/fxge/include/fx_ge_win32.h b/core/fxge/include/fx_ge_win32.h
index 703093d92f..c0889c1852 100644
--- a/core/fxge/include/fx_ge_win32.h
+++ b/core/fxge/include/fx_ge_win32.h
@@ -13,6 +13,9 @@
 #endif
 #define WINDIB_OPEN_MEMORY 0x1
 #define WINDIB_OPEN_PATHNAME 0x2
+
+class IFX_RenderDeviceDriver;
+
 typedef struct WINDIB_Open_Args_ {
   int flags;
 
diff --git a/core/fxge/include/ifx_renderdevicedriver.h b/core/fxge/include/ifx_renderdevicedriver.h
new file mode 100644
index 0000000000..572469b8c0
--- /dev/null
+++ b/core/fxge/include/ifx_renderdevicedriver.h
@@ -0,0 +1,104 @@
+// 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
+
+#ifndef CORE_FXGE_INCLUDE_IFX_RENDERDEVICEDRIVER_H_
+#define CORE_FXGE_INCLUDE_IFX_RENDERDEVICEDRIVER_H_
+
+#include "core/fxcrt/include/fx_system.h"
+
+class CFX_DIBitmap;
+class CFX_DIBSource;
+class CFX_Font;
+class CFX_FontCache;
+class CFX_GraphStateData;
+class CFX_Matrix;
+class CFX_PathData;
+class CPDF_ShadingPattern;
+class IFX_Pause;
+struct FXTEXT_CHARPOS;
+struct FX_RECT;
+
+class IFX_RenderDeviceDriver {
+ public:
+  virtual ~IFX_RenderDeviceDriver();
+
+  virtual int GetDeviceCaps(int caps_id) const = 0;
+  virtual CFX_Matrix GetCTM() const;
+
+  virtual FX_BOOL StartRendering();
+  virtual void EndRendering();
+  virtual void SaveState() = 0;
+  virtual void RestoreState(bool bKeepSaved) = 0;
+
+  virtual FX_BOOL SetClip_PathFill(const CFX_PathData* pPathData,
+                                   const CFX_Matrix* pObject2Device,
+                                   int fill_mode) = 0;
+  virtual FX_BOOL SetClip_PathStroke(const CFX_PathData* pPathData,
+                                     const CFX_Matrix* pObject2Device,
+                                     const CFX_GraphStateData* pGraphState);
+  virtual FX_BOOL DrawPath(const CFX_PathData* pPathData,
+                           const CFX_Matrix* pObject2Device,
+                           const CFX_GraphStateData* pGraphState,
+                           uint32_t fill_color,
+                           uint32_t stroke_color,
+                           int fill_mode,
+                           int blend_type) = 0;
+  virtual FX_BOOL SetPixel(int x, int y, uint32_t color);
+  virtual FX_BOOL FillRectWithBlend(const FX_RECT* pRect,
+                                    uint32_t fill_color,
+                                    int blend_type);
+  virtual FX_BOOL DrawCosmeticLine(FX_FLOAT x1,
+                                   FX_FLOAT y1,
+                                   FX_FLOAT x2,
+                                   FX_FLOAT y2,
+                                   uint32_t color,
+                                   int blend_type);
+
+  virtual FX_BOOL GetClipBox(FX_RECT* pRect) = 0;
+  virtual FX_BOOL GetDIBits(CFX_DIBitmap* pBitmap, int left, int top);
+  virtual CFX_DIBitmap* GetBackDrop();
+  virtual FX_BOOL SetDIBits(const CFX_DIBSource* pBitmap,
+                            uint32_t color,
+                            const FX_RECT* pSrcRect,
+                            int dest_left,
+                            int dest_top,
+                            int blend_type) = 0;
+  virtual FX_BOOL StretchDIBits(const CFX_DIBSource* pBitmap,
+                                uint32_t color,
+                                int dest_left,
+                                int dest_top,
+                                int dest_width,
+                                int dest_height,
+                                const FX_RECT* pClipRect,
+                                uint32_t flags,
+                                int blend_type) = 0;
+  virtual FX_BOOL StartDIBits(const CFX_DIBSource* pBitmap,
+                              int bitmap_alpha,
+                              uint32_t color,
+                              const CFX_Matrix* pMatrix,
+                              uint32_t flags,
+                              void*& handle,
+                              int blend_type) = 0;
+  virtual FX_BOOL ContinueDIBits(void* handle, IFX_Pause* pPause);
+  virtual void CancelDIBits(void* handle);
+  virtual FX_BOOL DrawDeviceText(int nChars,
+                                 const FXTEXT_CHARPOS* pCharPos,
+                                 CFX_Font* pFont,
+                                 CFX_FontCache* pCache,
+                                 const CFX_Matrix* pObject2Device,
+                                 FX_FLOAT font_size,
+                                 uint32_t color);
+  virtual void* GetPlatformSurface() const;
+  virtual int GetDriverType() const;
+  virtual void ClearDriver();
+  virtual FX_BOOL DrawShading(const CPDF_ShadingPattern* pPattern,
+                              const CFX_Matrix* pMatrix,
+                              const FX_RECT& clip_rect,
+                              int alpha,
+                              FX_BOOL bAlphaMode);
+};
+
+#endif  // CORE_FXGE_INCLUDE_IFX_RENDERDEVICEDRIVER_H_