1 files changed, 71 insertions, 0 deletions
diff --git a/core/fpdfapi/render/cpdf_imagecacheentry.h b/core/fpdfapi/render/cpdf_imagecacheentry.h
new file mode 100644
index 0000000000..e4481e0d73
--- /dev/null
+++ b/core/fpdfapi/render/cpdf_imagecacheentry.h
@@ -0,0 +1,71 @@
+// 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_FPDFAPI_RENDER_CPDF_IMAGECACHEENTRY_H_
+#define CORE_FPDFAPI_RENDER_CPDF_IMAGECACHEENTRY_H_
+
+#include <memory>
+
+#include "core/fxcrt/fx_system.h"
+
+class CFX_DIBitmap;
+class CFX_DIBSource;
+class CPDF_Dictionary;
+class CPDF_Document;
+class CPDF_RenderStatus;
+class CPDF_Stream;
+class IFX_Pause;
+
+class CPDF_ImageCacheEntry {
+ public:
+  CPDF_ImageCacheEntry(CPDF_Document* pDoc, CPDF_Stream* pStream);
+  ~CPDF_ImageCacheEntry();
+
+  void Reset(const CFX_DIBitmap* pBitmap);
+  bool GetCachedBitmap(CFX_DIBSource*& pBitmap,
+                       CFX_DIBSource*& pMask,
+                       uint32_t& MatteColor,
+                       CPDF_Dictionary* pPageResources,
+                       bool bStdCS,
+                       uint32_t GroupFamily,
+                       bool bLoadMask,
+                       CPDF_RenderStatus* pRenderStatus,
+                       int32_t downsampleWidth,
+                       int32_t downsampleHeight);
+  uint32_t EstimateSize() const { return m_dwCacheSize; }
+  uint32_t GetTimeCount() const { return m_dwTimeCount; }
+  CPDF_Stream* GetStream() const { return m_pStream; }
+
+  int StartGetCachedBitmap(CPDF_Dictionary* pFormResources,
+                           CPDF_Dictionary* pPageResources,
+                           bool bStdCS,
+                           uint32_t GroupFamily,
+                           bool bLoadMask,
+                           CPDF_RenderStatus* pRenderStatus,
+                           int32_t downsampleWidth,
+                           int32_t downsampleHeight);
+  int Continue(IFX_Pause* pPause);
+  CFX_DIBSource* DetachBitmap();
+  CFX_DIBSource* DetachMask();
+
+  int m_dwTimeCount;
+  uint32_t m_MatteColor;
+
+ private:
+  void ContinueGetCachedBitmap();
+
+  CPDF_RenderStatus* m_pRenderStatus;
+  CPDF_Document* m_pDocument;
+  CPDF_Stream* m_pStream;
+  CFX_DIBSource* m_pCurBitmap;
+  CFX_DIBSource* m_pCurMask;
+  std::unique_ptr<CFX_DIBSource> m_pCachedBitmap;
+  std::unique_ptr<CFX_DIBSource> m_pCachedMask;
+  uint32_t m_dwCacheSize;
+  void CalcSize();
+};
+
+#endif  // CORE_FPDFAPI_RENDER_CPDF_IMAGECACHEENTRY_H_