1// Copyright 2017 PDFium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6
7#ifndef CORE_FXGE_DIB_IFX_SCANLINECOMPOSER_H_
8#define CORE_FXGE_DIB_IFX_SCANLINECOMPOSER_H_
9
10#include "core/fxge/fx_dib.h"
11
12class IFX_ScanlineComposer {
13 public:
14  virtual ~IFX_ScanlineComposer() {}
15
16  virtual void ComposeScanline(int line,
17                               const uint8_t* scanline,
18                               const uint8_t* scan_extra_alpha) = 0;
19
20  virtual bool SetInfo(int width,
21                       int height,
22                       FXDIB_Format src_format,
23                       uint32_t* pSrcPalette) = 0;
24};
25
26#endif  // CORE_FXGE_DIB_IFX_SCANLINECOMPOSER_H_
27