blob: 06bb6d5abe7e42d9b56f4b7998b403c6e7b0210d (
plain)
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
|
// 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_FXCODEC_CODEC_CCODEC_SCANLINEDECODER_H_
#define CORE_FXCODEC_CODEC_CCODEC_SCANLINEDECODER_H_
#include "core/fxcrt/fx_system.h"
class IFX_Pause;
class CCodec_ScanlineDecoder {
public:
CCodec_ScanlineDecoder();
CCodec_ScanlineDecoder(int nOrigWidth,
int nOrigHeight,
int nOutputWidth,
int nOutputHeight,
int nComps,
int nBpc,
uint32_t nPitch);
virtual ~CCodec_ScanlineDecoder();
const uint8_t* GetScanline(int line);
bool SkipToScanline(int line, IFX_Pause* pPause);
int GetWidth() { return m_OutputWidth; }
int GetHeight() { return m_OutputHeight; }
int CountComps() { return m_nComps; }
int GetBPC() { return m_bpc; }
virtual uint32_t GetSrcOffset() = 0;
protected:
virtual bool v_Rewind() = 0;
virtual uint8_t* v_GetNextLine() = 0;
uint8_t* ReadNextLine();
int m_OrigWidth;
int m_OrigHeight;
int m_OutputWidth;
int m_OutputHeight;
int m_nComps;
int m_bpc;
uint32_t m_Pitch;
int m_NextLine;
uint8_t* m_pLastScanline;
};
#endif // CORE_FXCODEC_CODEC_CCODEC_SCANLINEDECODER_H_
|
