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cffc8678d8
This introduces a new API in ImageDecoderPlugins that allow an image decoder to return a CICP struct. Also, we use this API in ImageDecoder::color_space() to create a color space corresponding to these CICP.
75 lines
2.7 KiB
C++
75 lines
2.7 KiB
C++
/*
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* Copyright (c) 2018-2021, Andreas Kling <andreas@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibGfx/ImageFormats/AVIFLoader.h>
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#include <LibGfx/ImageFormats/BMPLoader.h>
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#include <LibGfx/ImageFormats/GIFLoader.h>
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#include <LibGfx/ImageFormats/ICOLoader.h>
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#include <LibGfx/ImageFormats/ImageDecoder.h>
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#include <LibGfx/ImageFormats/JPEGLoader.h>
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#include <LibGfx/ImageFormats/JPEGXLLoader.h>
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#include <LibGfx/ImageFormats/PNGLoader.h>
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#include <LibGfx/ImageFormats/TIFFLoader.h>
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#include <LibGfx/ImageFormats/TinyVGLoader.h>
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#include <LibGfx/ImageFormats/WebPLoader.h>
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namespace Gfx {
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static ErrorOr<OwnPtr<ImageDecoderPlugin>> probe_and_sniff_for_appropriate_plugin(ReadonlyBytes bytes)
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{
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struct ImagePluginInitializer {
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bool (*sniff)(ReadonlyBytes) = nullptr;
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ErrorOr<NonnullOwnPtr<ImageDecoderPlugin>> (*create)(ReadonlyBytes) = nullptr;
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};
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static constexpr ImagePluginInitializer s_initializers[] = {
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{ BMPImageDecoderPlugin::sniff, BMPImageDecoderPlugin::create },
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{ GIFImageDecoderPlugin::sniff, GIFImageDecoderPlugin::create },
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{ ICOImageDecoderPlugin::sniff, ICOImageDecoderPlugin::create },
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{ JPEGImageDecoderPlugin::sniff, JPEGImageDecoderPlugin::create },
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{ JPEGXLImageDecoderPlugin::sniff, JPEGXLImageDecoderPlugin::create },
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{ PNGImageDecoderPlugin::sniff, PNGImageDecoderPlugin::create },
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{ TIFFImageDecoderPlugin::sniff, TIFFImageDecoderPlugin::create },
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{ TinyVGImageDecoderPlugin::sniff, TinyVGImageDecoderPlugin::create },
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{ WebPImageDecoderPlugin::sniff, WebPImageDecoderPlugin::create },
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{ AVIFImageDecoderPlugin::sniff, AVIFImageDecoderPlugin::create }
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};
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for (auto& plugin : s_initializers) {
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auto sniff_result = plugin.sniff(bytes);
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if (!sniff_result)
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continue;
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return TRY(plugin.create(bytes));
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}
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return OwnPtr<ImageDecoderPlugin> {};
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}
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ErrorOr<ColorSpace> ImageDecoder::color_space()
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{
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auto maybe_cicp = TRY(m_plugin->cicp());
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if (maybe_cicp.has_value())
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return ColorSpace::from_cicp(*maybe_cicp);
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auto maybe_icc_data = TRY(icc_data());
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if (!maybe_icc_data.has_value())
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return ColorSpace {};
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return ColorSpace::load_from_icc_bytes(maybe_icc_data.value());
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}
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ErrorOr<RefPtr<ImageDecoder>> ImageDecoder::try_create_for_raw_bytes(ReadonlyBytes bytes, [[maybe_unused]] Optional<ByteString> mime_type)
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{
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if (auto plugin = TRY(probe_and_sniff_for_appropriate_plugin(bytes)); plugin)
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return adopt_ref_if_nonnull(new (nothrow) ImageDecoder(plugin.release_nonnull()));
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return RefPtr<ImageDecoder> {};
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}
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ImageDecoder::ImageDecoder(NonnullOwnPtr<ImageDecoderPlugin> plugin)
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: m_plugin(move(plugin))
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{
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}
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}
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