1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
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_FPDF_RENDER_CPDF_PAGERENDERCACHE_H_
#define CORE_FPDFAPI_FPDF_RENDER_CPDF_PAGERENDERCACHE_H_
#include <map>
#include "core/fxcrt/include/fx_system.h"
class CPDF_Stream;
class CPDF_ImageCacheEntry;
class CPDF_Page;
class CPDF_RenderStatus;
class CFX_DIBitmap;
class CFX_DIBSource;
class IFX_Pause;
class CPDF_PageRenderCache {
public:
explicit CPDF_PageRenderCache(CPDF_Page* pPage);
~CPDF_PageRenderCache();
uint32_t EstimateSize();
void CacheOptimization(int32_t dwLimitCacheSize);
uint32_t GetTimeCount() const { return m_nTimeCount; }
void SetTimeCount(uint32_t dwTimeCount) { m_nTimeCount = dwTimeCount; }
void GetCachedBitmap(CPDF_Stream* pStream,
CFX_DIBSource*& pBitmap,
CFX_DIBSource*& pMask,
uint32_t& MatteColor,
FX_BOOL bStdCS = FALSE,
uint32_t GroupFamily = 0,
FX_BOOL bLoadMask = FALSE,
CPDF_RenderStatus* pRenderStatus = nullptr,
int32_t downsampleWidth = 0,
int32_t downsampleHeight = 0);
void ResetBitmap(CPDF_Stream* pStream, const CFX_DIBitmap* pBitmap);
void ClearImageCacheEntry(CPDF_Stream* pStream);
CPDF_Page* GetPage() const { return m_pPage; }
CPDF_ImageCacheEntry* GetCurImageCacheEntry() const {
return m_pCurImageCacheEntry;
}
FX_BOOL StartGetCachedBitmap(CPDF_Stream* pStream,
FX_BOOL bStdCS = FALSE,
uint32_t GroupFamily = 0,
FX_BOOL bLoadMask = FALSE,
CPDF_RenderStatus* pRenderStatus = nullptr,
int32_t downsampleWidth = 0,
int32_t downsampleHeight = 0);
FX_BOOL Continue(IFX_Pause* pPause);
protected:
friend class CPDF_Page;
CPDF_Page* const m_pPage;
CPDF_ImageCacheEntry* m_pCurImageCacheEntry;
std::map<CPDF_Stream*, CPDF_ImageCacheEntry*> m_ImageCache;
uint32_t m_nTimeCount;
uint32_t m_nCacheSize;
FX_BOOL m_bCurFindCache;
};
#endif // CORE_FPDFAPI_FPDF_RENDER_CPDF_PAGERENDERCACHE_H_
|
