forked from mirrors/gecko-dev
57 lines
1.4 KiB
C++
57 lines
1.4 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_EXTRAS_DEC_DECODE_H_
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#define LIB_EXTRAS_DEC_DECODE_H_
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// Facade for image decoders (PNG, PNM, ...).
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#include <cstddef>
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#include <cstdint>
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#include <string>
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#include "lib/extras/dec/color_hints.h"
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#include "lib/jxl/base/span.h"
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#include "lib/jxl/base/status.h"
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namespace jxl {
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struct SizeConstraints;
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namespace extras {
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// Codecs supported by DecodeBytes.
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enum class Codec : uint32_t {
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kUnknown, // for CodecFromPath
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kPNG,
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kPNM,
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kPGX,
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kJPG,
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kGIF,
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kEXR,
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kJXL
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};
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bool CanDecode(Codec codec);
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std::string ListOfDecodeCodecs();
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// If and only if extension is ".pfm", *bits_per_sample is updated to 32 so
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// that Encode() would encode to PFM instead of PPM.
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Codec CodecFromPath(const std::string& path,
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size_t* JXL_RESTRICT bits_per_sample = nullptr,
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std::string* extension = nullptr);
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// Decodes "bytes" info *ppf.
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// color_space_hint may specify the color space, otherwise, defaults to sRGB.
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Status DecodeBytes(Span<const uint8_t> bytes, const ColorHints& color_hints,
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extras::PackedPixelFile* ppf,
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const SizeConstraints* constraints = nullptr,
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Codec* orig_codec = nullptr);
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} // namespace extras
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} // namespace jxl
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#endif // LIB_EXTRAS_DEC_DECODE_H_
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