69 lines
1.7 KiB
C++
69 lines
1.7 KiB
C++
// Copyright 2016 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef CORE_FXCODEC_JBIG2_JBIG2MODULE_H_
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#define CORE_FXCODEC_JBIG2_JBIG2MODULE_H_
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#include <memory>
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#include "core/fxcodec/fx_codec_def.h"
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#include "third_party/base/span.h"
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class CJBig2_Context;
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class CJBig2_Image;
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class JBig2_DocumentContext;
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class PauseIndicatorIface;
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namespace fxcodec {
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class Jbig2Context {
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public:
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Jbig2Context();
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~Jbig2Context();
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uint32_t m_width = 0;
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uint32_t m_height = 0;
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uint32_t m_nGlobalObjNum = 0;
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uint32_t m_nSrcObjNum = 0;
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pdfium::span<const uint8_t> m_pGlobalSpan;
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pdfium::span<const uint8_t> m_pSrcSpan;
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uint8_t* m_dest_buf = nullptr;
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uint32_t m_dest_pitch = 0;
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std::unique_ptr<CJBig2_Context> m_pContext;
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};
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class Jbig2Module {
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public:
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Jbig2Module();
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~Jbig2Module();
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FXCODEC_STATUS StartDecode(
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Jbig2Context* pJbig2Context,
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std::unique_ptr<JBig2_DocumentContext>* pContextHolder,
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uint32_t width,
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uint32_t height,
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pdfium::span<const uint8_t> src_span,
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uint32_t src_objnum,
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pdfium::span<const uint8_t> global_span,
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uint32_t global_objnum,
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uint8_t* dest_buf,
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uint32_t dest_pitch,
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PauseIndicatorIface* pPause);
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FXCODEC_STATUS ContinueDecode(Jbig2Context* pJbig2Context,
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PauseIndicatorIface* pPause);
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private:
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FXCODEC_STATUS Decode(Jbig2Context* pJbig2Context, bool decode_success);
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};
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} // namespace fxcodec
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using Jbig2Context = fxcodec::Jbig2Context;
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using Jbig2Module = fxcodec::Jbig2Module;
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#endif // CORE_FXCODEC_JBIG2_JBIG2MODULE_H_
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