49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
// Copyright (c) the JPEG XL Project Authors. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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#ifndef LIB_JXL_ICC_CODEC_H_
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#define LIB_JXL_ICC_CODEC_H_
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// Compressed representation of ICC profiles.
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#include <jxl/memory_manager.h>
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#include <cstddef>
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#include <cstdint>
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#include <vector>
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#include "lib/jxl/base/status.h"
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#include "lib/jxl/dec_ans.h"
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#include "lib/jxl/dec_bit_reader.h"
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#include "lib/jxl/padded_bytes.h"
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namespace jxl {
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struct ICCReader {
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explicit ICCReader(JxlMemoryManager* memory_manager)
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: decompressed_(memory_manager) {}
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Status Init(BitReader* reader);
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Status Process(BitReader* reader, PaddedBytes* icc);
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void Reset() {
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bits_to_skip_ = 0;
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decompressed_.clear();
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}
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private:
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static Status CheckEOI(BitReader* reader);
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size_t i_ = 0;
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size_t bits_to_skip_ = 0;
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size_t used_bits_base_ = 0;
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uint64_t enc_size_ = 0;
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std::vector<uint8_t> context_map_;
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ANSCode code_;
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ANSSymbolReader ans_reader_;
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PaddedBytes decompressed_;
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};
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} // namespace jxl
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#endif // LIB_JXL_ICC_CODEC_H_
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