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
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
// 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_RENDERSTATUS_H_
#define CORE_FPDFAPI_RENDER_CPDF_RENDERSTATUS_H_
#include <memory>
#include <vector>
#include "core/fpdfapi/page/cpdf_clippath.h"
#include "core/fpdfapi/page/cpdf_graphicstates.h"
#include "core/fpdfapi/render/cpdf_renderoptions.h"
#include "core/fxcrt/unowned_ptr.h"
#include "core/fxge/cfx_renderdevice.h"
class CFX_PathData;
class CPDF_Color;
class CPDF_Dictionary;
class CPDF_Font;
class CPDF_FormObject;
class CPDF_ImageCacheEntry;
class CPDF_ImageObject;
class CPDF_ImageRenderer;
class CPDF_Object;
class CPDF_PageObject;
class CPDF_PageObjectHolder;
class CPDF_PathObject;
class CPDF_ShadingObject;
class CPDF_ShadingPattern;
class CPDF_TilingPattern;
class CPDF_TransferFunc;
class CPDF_Type3Cache;
class CPDF_Type3Char;
class CPDF_Type3Font;
class CPDF_RenderStatus {
public:
CPDF_RenderStatus();
~CPDF_RenderStatus();
bool Initialize(class CPDF_RenderContext* pContext,
CFX_RenderDevice* pDevice,
const CFX_Matrix* pDeviceMatrix,
const CPDF_PageObject* pStopObj,
const CPDF_RenderStatus* pParentStatus,
const CPDF_GraphicStates* pInitialStates,
const CPDF_RenderOptions* pOptions,
int transparency,
bool bDropObjects,
CPDF_Dictionary* pFormResource = nullptr,
bool bStdCS = false,
CPDF_Type3Char* pType3Char = nullptr,
FX_ARGB fill_color = 0,
uint32_t GroupFamily = 0,
bool bLoadMask = false);
void RenderObjectList(const CPDF_PageObjectHolder* pObjectHolder,
const CFX_Matrix* pObj2Device);
void RenderSingleObject(CPDF_PageObject* pObj, const CFX_Matrix* pObj2Device);
bool ContinueSingleObject(CPDF_PageObject* pObj,
const CFX_Matrix* pObj2Device,
PauseIndicatorIface* pPause);
void ProcessClipPath(const CPDF_ClipPath& ClipPath,
const CFX_Matrix* pObj2Device);
uint32_t GetGroupFamily() const { return m_GroupFamily; }
bool GetLoadMask() const { return m_bLoadMask; }
bool GetDropObjects() const { return m_bDropObjects; }
bool IsPrint() const { return m_bPrint; }
bool IsStopped() const { return m_bStopped; }
CPDF_RenderContext* GetContext() const { return m_pContext.Get(); }
CPDF_Dictionary* GetFormResource() const { return m_pFormResource.Get(); }
CPDF_Dictionary* GetPageResource() const { return m_pPageResource.Get(); }
CFX_RenderDevice* GetRenderDevice() const { return m_pDevice; }
const CPDF_RenderOptions* GetRenderOptions() const { return &m_Options; }
#if defined _SKIA_SUPPORT_
void DebugVerifyDeviceIsPreMultiplied() const;
#endif
RetainPtr<CPDF_TransferFunc> GetTransferFunc(CPDF_Object* pObject) const;
FX_ARGB GetFillArgb(CPDF_PageObject* pObj, bool bType3 = false) const;
void DrawTilingPattern(CPDF_TilingPattern* pPattern,
CPDF_PageObject* pPageObj,
const CFX_Matrix* pObj2Device,
bool bStroke);
void DrawShadingPattern(CPDF_ShadingPattern* pPattern,
const CPDF_PageObject* pPageObj,
const CFX_Matrix* pObj2Device,
bool bStroke);
void CompositeDIBitmap(const RetainPtr<CFX_DIBitmap>& pDIBitmap,
int left,
int top,
FX_ARGB mask_argb,
int bitmap_alpha,
int blend_mode,
int iTransparency);
private:
bool ProcessTransparency(CPDF_PageObject* PageObj,
const CFX_Matrix* pObj2Device);
void ProcessObjectNoClip(CPDF_PageObject* PageObj,
const CFX_Matrix* pObj2Device);
void DrawObjWithBackground(CPDF_PageObject* pObj,
const CFX_Matrix* pObj2Device);
bool DrawObjWithBlend(CPDF_PageObject* pObj, const CFX_Matrix* pObj2Device);
bool ProcessPath(CPDF_PathObject* pPathObj, const CFX_Matrix* pObj2Device);
void ProcessPathPattern(CPDF_PathObject* pPathObj,
const CFX_Matrix* pObj2Device,
int* filltype,
bool* bStroke);
void DrawPathWithPattern(CPDF_PathObject* pPathObj,
const CFX_Matrix* pObj2Device,
const CPDF_Color* pColor,
bool bStroke);
bool SelectClipPath(const CPDF_PathObject* pPathObj,
const CFX_Matrix* pObj2Device,
bool bStroke);
bool ProcessImage(CPDF_ImageObject* pImageObj, const CFX_Matrix* pObj2Device);
void ProcessShading(const CPDF_ShadingObject* pShadingObj,
const CFX_Matrix* pObj2Device);
void DrawShading(const CPDF_ShadingPattern* pPattern,
CFX_Matrix* pMatrix,
FX_RECT& clip_rect,
int alpha,
bool bAlphaMode);
bool ProcessType3Text(CPDF_TextObject* textobj,
const CFX_Matrix* pObj2Device);
bool ProcessText(CPDF_TextObject* textobj,
const CFX_Matrix* pObj2Device,
CFX_PathData* pClippingPath);
void DrawTextPathWithPattern(const CPDF_TextObject* textobj,
const CFX_Matrix* pObj2Device,
CPDF_Font* pFont,
float font_size,
const CFX_Matrix* pTextMatrix,
bool bFill,
bool bStroke);
bool ProcessForm(const CPDF_FormObject* pFormObj,
const CFX_Matrix* pObj2Device);
RetainPtr<CFX_DIBitmap> GetBackdrop(const CPDF_PageObject* pObj,
const FX_RECT& rect,
bool bBackAlphaRequired,
int* left,
int* top);
RetainPtr<CFX_DIBitmap> LoadSMask(CPDF_Dictionary* pSMaskDict,
FX_RECT* pClipRect,
const CFX_Matrix* pMatrix);
static RetainPtr<CPDF_Type3Cache> GetCachedType3(CPDF_Type3Font* pFont);
static std::unique_ptr<CPDF_GraphicStates> CloneObjStates(
const CPDF_GraphicStates* pPathObj,
bool bStroke);
FX_ARGB GetStrokeArgb(CPDF_PageObject* pObj) const;
FX_RECT GetObjectClippedRect(const CPDF_PageObject* pObj,
const CFX_Matrix* pObj2Device) const;
static const int kRenderMaxRecursionDepth = 64;
static int s_CurrentRecursionDepth;
CPDF_RenderOptions m_Options;
UnownedPtr<CPDF_Dictionary> m_pFormResource;
UnownedPtr<CPDF_Dictionary> m_pPageResource;
std::vector<CPDF_Type3Font*> m_Type3FontCache;
UnownedPtr<CPDF_RenderContext> m_pContext;
bool m_bStopped;
CFX_RenderDevice* m_pDevice;
CFX_Matrix m_DeviceMatrix;
CPDF_ClipPath m_LastClipPath;
const CPDF_PageObject* m_pCurObj;
const CPDF_PageObject* m_pStopObj;
CPDF_GraphicStates m_InitialStates;
std::unique_ptr<CPDF_ImageRenderer> m_pImageRenderer;
bool m_bPrint;
int m_iTransparency;
bool m_bDropObjects;
bool m_bStdCS;
uint32_t m_GroupFamily;
bool m_bLoadMask;
UnownedPtr<CPDF_Type3Char> m_pType3Char;
FX_ARGB m_T3FillColor;
int m_curBlend;
};
#endif // CORE_FPDFAPI_RENDER_CPDF_RENDERSTATUS_H_
|
