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5934c4ebfb
This is useful for timing just decoder performance. (It'd be nice to add a `-t` flag that prints timings for all the different phases, but for now just disabling writing is sufficient for me.)
112 lines
4.4 KiB
C++
112 lines
4.4 KiB
C++
/*
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* Copyright (c) 2023, Nico Weber <thakis@chromium.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibCore/ArgsParser.h>
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#include <LibCore/File.h>
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#include <LibCore/MappedFile.h>
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#include <LibGfx/ICC/Profile.h>
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#include <LibGfx/ImageFormats/BMPWriter.h>
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#include <LibGfx/ImageFormats/ImageDecoder.h>
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#include <LibGfx/ImageFormats/PNGWriter.h>
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#include <LibGfx/ImageFormats/PortableFormatWriter.h>
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#include <LibGfx/ImageFormats/QOIWriter.h>
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ErrorOr<int> serenity_main(Main::Arguments arguments)
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{
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Core::ArgsParser args_parser;
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StringView in_path;
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args_parser.add_positional_argument(in_path, "Path to input image file", "FILE");
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StringView out_path;
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args_parser.add_option(out_path, "Path to output image file", "output", 'o', "FILE");
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bool no_output = false;
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args_parser.add_option(no_output, "Do not write output (only useful for benchmarking image decoding)", "no-output", {});
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int frame_index = 0;
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args_parser.add_option(frame_index, "Which frame of a multi-frame input image (0-based)", "frame-index", {}, "INDEX");
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bool ppm_ascii = false;
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args_parser.add_option(ppm_ascii, "Convert to a PPM in ASCII", "ppm-ascii", {});
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StringView assign_color_profile_path;
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args_parser.add_option(assign_color_profile_path, "Load color profile from file and assign it to output image", "assign-color-profile", {}, "FILE");
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StringView convert_color_profile_path;
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args_parser.add_option(convert_color_profile_path, "Load color profile from file and convert output image from current profile to loaded profile", "convert-to-color-profile", {}, "FILE");
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bool strip_color_profile = false;
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args_parser.add_option(strip_color_profile, "Do not write color profile to output", "strip-color-profile", {});
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args_parser.parse(arguments);
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if (out_path.is_empty() ^ no_output) {
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warnln("exactly one of -o or --no-output is required");
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return 1;
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}
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auto file = TRY(Core::MappedFile::map(in_path));
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auto decoder = Gfx::ImageDecoder::try_create_for_raw_bytes(file->bytes());
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if (!decoder) {
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warnln("Failed to decode input file '{}'", in_path);
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return 1;
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}
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auto frame = TRY(decoder->frame(frame_index)).image;
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Optional<ReadonlyBytes> icc_data = TRY(decoder->icc_data());
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RefPtr<Core::MappedFile> icc_file;
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if (!assign_color_profile_path.is_empty()) {
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icc_file = TRY(Core::MappedFile::map(assign_color_profile_path));
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icc_data = icc_file->bytes();
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}
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if (!convert_color_profile_path.is_empty()) {
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if (!icc_data.has_value()) {
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warnln("No source color space embedded in image. Pass one with --assign-color-profile.");
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return 1;
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}
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auto source_icc_file = icc_file;
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auto source_icc_data = icc_data.value();
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icc_file = TRY(Core::MappedFile::map(convert_color_profile_path));
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icc_data = icc_file->bytes();
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auto source_profile = TRY(Gfx::ICC::Profile::try_load_from_externally_owned_memory(source_icc_data));
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auto destination_profile = TRY(Gfx::ICC::Profile::try_load_from_externally_owned_memory(icc_file->bytes()));
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TRY(destination_profile->convert_image(*frame, *source_profile));
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}
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if (strip_color_profile)
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icc_data.clear();
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if (no_output)
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return 0;
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auto output_stream = TRY(Core::File::open(out_path, Core::File::OpenMode::Write));
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auto buffered_stream = TRY(Core::OutputBufferedFile::create(move(output_stream)));
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ByteBuffer bytes;
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if (out_path.ends_with(".bmp"sv, CaseSensitivity::CaseInsensitive)) {
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bytes = TRY(Gfx::BMPWriter::encode(*frame, { .icc_data = icc_data }));
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} else if (out_path.ends_with(".png"sv, CaseSensitivity::CaseInsensitive)) {
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bytes = TRY(Gfx::PNGWriter::encode(*frame, { .icc_data = icc_data }));
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} else if (out_path.ends_with(".ppm"sv, CaseSensitivity::CaseInsensitive)) {
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auto const format = ppm_ascii ? Gfx::PortableFormatWriter::Options::Format::ASCII : Gfx::PortableFormatWriter::Options::Format::Raw;
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TRY(Gfx::PortableFormatWriter::encode(*buffered_stream, *frame, { .format = format }));
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return 0;
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} else if (out_path.ends_with(".qoi"sv, CaseSensitivity::CaseInsensitive)) {
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bytes = TRY(Gfx::QOIWriter::encode(*frame));
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} else {
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warnln("can only write .bmp, .png, .ppm, and .qoi");
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return 1;
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}
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TRY(buffered_stream->write_until_depleted(bytes));
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return 0;
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}
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