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
|
// 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_SCANLINECOMPOSITOR_H_
#define CORE_FXGE_DIB_CFX_SCANLINECOMPOSITOR_H_
#include <memory>
#include "core/fxge/dib/cfx_dibsource.h"
class CFX_ScanlineCompositor {
public:
CFX_ScanlineCompositor();
~CFX_ScanlineCompositor();
bool Init(FXDIB_Format dest_format,
FXDIB_Format src_format,
int32_t width,
uint32_t* pSrcPalette,
uint32_t mask_color,
int blend_type,
bool bClip,
bool bRgbByteOrder,
int alpha_flag);
void CompositeRgbBitmapLine(uint8_t* dest_scan,
const uint8_t* src_scan,
int width,
const uint8_t* clip_scan,
const uint8_t* src_extra_alpha,
uint8_t* dst_extra_alpha);
void CompositePalBitmapLine(uint8_t* dest_scan,
const uint8_t* src_scan,
int src_left,
int width,
const uint8_t* clip_scan,
const uint8_t* src_extra_alpha,
uint8_t* dst_extra_alpha);
void CompositeByteMaskLine(uint8_t* dest_scan,
const uint8_t* src_scan,
int width,
const uint8_t* clip_scan,
uint8_t* dst_extra_alpha);
void CompositeBitMaskLine(uint8_t* dest_scan,
const uint8_t* src_scan,
int src_left,
int width,
const uint8_t* clip_scan,
uint8_t* dst_extra_alpha);
private:
void InitSourcePalette(FXDIB_Format src_format,
FXDIB_Format dest_format,
const uint32_t* pSrcPalette);
void InitSourceMask(int alpha_flag, uint32_t mask_color);
int m_iTransparency;
FXDIB_Format m_SrcFormat;
FXDIB_Format m_DestFormat;
std::unique_ptr<uint32_t, FxFreeDeleter> m_pSrcPalette;
int m_MaskAlpha;
int m_MaskRed;
int m_MaskGreen;
int m_MaskBlue;
int m_BlendType;
bool m_bRgbByteOrder;
};
#endif // CORE_FXGE_DIB_CFX_SCANLINECOMPOSITOR_H_
|
