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// 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_SCANLINECOMPOSER_IFACE_H_
#define CORE_FXGE_DIB_SCANLINECOMPOSER_IFACE_H_
#include "core/fxge/dib/fx_dib.h"
#include "third_party/base/span.h"
class ScanlineComposerIface {
public:
virtual ~ScanlineComposerIface() = default;
virtual void ComposeScanline(
int line,
pdfium::span<const uint8_t> scanline,
pdfium::span<const uint8_t> scan_extra_alpha) = 0;
virtual bool SetInfo(int width,
int height,
FXDIB_Format src_format,
pdfium::span<const uint32_t> src_palette) = 0;
};
#endif // CORE_FXGE_DIB_SCANLINECOMPOSER_IFACE_H_