gif_progressive_decoder.h

Go to the documentation of this file.

// Copyright 2020 The PDFium Authors
// 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_GIF_GIF_PROGRESSIVE_DECODER_H_
#define CORE_FXCODEC_GIF_GIF_PROGRESSIVE_DECODER_H_
 
#include "core/fxcodec/progressive_decoder_iface.h"
 
#ifndef PDF_ENABLE_XFA_GIF
#error "GIF must be enabled"
#endif
 
namespace fxcodec {
 
class GifProgressiveDecoder final : public ProgressiveDecoderIface {
 public:
  static void InitializeGlobals();
  static void DestroyGlobals();
 
  static GifProgressiveDecoder* GetInstance();
 
  // ProgressiveDecoderIface:
  FX_FILESIZE GetAvailInput(Context* context) const override;
  bool Input(Context* context,
             RetainPtr<CFX_CodecMemory> codec_memory) override;
 
 private:
  GifProgressiveDecoder();
  ~GifProgressiveDecoder() override;
};
 
}  // namespace fxcodec
 
using GifProgressiveDecoder = fxcodec::GifProgressiveDecoder;
 
#endif  // CORE_FXCODEC_GIF_GIF_PROGRESSIVE_DECODER_H_