60 lines
1.5 KiB
C++
60 lines
1.5 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_FLATE_FLATEMODULE_H_
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#define CORE_FXCODEC_FLATE_FLATEMODULE_H_
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#include <memory>
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#include "core/fxcrt/fx_memory_wrappers.h"
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#include "core/fxcrt/fx_system.h"
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#include "third_party/base/span.h"
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namespace fxcodec {
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class ScanlineDecoder;
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class FlateModule {
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public:
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static std::unique_ptr<ScanlineDecoder> CreateDecoder(
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pdfium::span<const uint8_t> src_span,
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int width,
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int height,
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int nComps,
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int bpc,
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int predictor,
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int Colors,
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int BitsPerComponent,
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int Columns);
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static uint32_t FlateOrLZWDecode(
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bool bLZW,
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pdfium::span<const uint8_t> src_span,
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bool bEarlyChange,
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int predictor,
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int Colors,
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int BitsPerComponent,
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int Columns,
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uint32_t estimated_size,
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std::unique_ptr<uint8_t, FxFreeDeleter>* dest_buf,
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uint32_t* dest_size);
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static bool Encode(const uint8_t* src_buf,
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uint32_t src_size,
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std::unique_ptr<uint8_t, FxFreeDeleter>* dest_buf,
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uint32_t* dest_size);
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FlateModule() = delete;
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FlateModule(const FlateModule&) = delete;
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FlateModule& operator=(const FlateModule&) = delete;
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};
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} // namespace fxcodec
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using FlateModule = fxcodec::FlateModule;
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#endif // CORE_FXCODEC_FLATE_FLATEMODULE_H_
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