57 lines
2 KiB
C++
57 lines
2 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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#include <jxl/types.h>
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#include <cstdint>
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#include <sstream>
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#include <utility>
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#include <vector>
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#include "lib/extras/dec/decode.h"
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#include "lib/extras/dec/jxl.h"
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#include "lib/extras/packed_image.h"
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#include "lib/jxl/base/span.h"
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#include "lib/jxl/test_utils.h"
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#include "lib/jxl/testing.h"
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namespace jxl {
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namespace {
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TEST(BlendingTest, Crops) {
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const std::vector<uint8_t> compressed =
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jxl::test::ReadTestData("jxl/blending/cropped_traffic_light.jxl");
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extras::JXLDecompressParams dparams;
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dparams.accepted_formats = {{3, JXL_TYPE_UINT8, JXL_LITTLE_ENDIAN, 0}};
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extras::PackedPixelFile decoded;
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ASSERT_TRUE(DecodeImageJXL(compressed.data(), compressed.size(), dparams,
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/*decoded_bytes=*/nullptr, &decoded));
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ASSERT_EQ(decoded.frames.size(), 4);
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int i = 0;
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for (auto&& decoded_frame : decoded.frames) {
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std::ostringstream filename;
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filename << "jxl/blending/cropped_traffic_light_frame-" << i << ".png";
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const std::vector<uint8_t> compressed_frame =
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jxl::test::ReadTestData(filename.str());
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extras::PackedPixelFile decoded_frame_ppf;
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decoded_frame_ppf.info = decoded.info;
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decoded_frame_ppf.primary_color_representation =
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decoded.primary_color_representation;
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decoded_frame_ppf.color_encoding = decoded.color_encoding;
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decoded_frame_ppf.icc = decoded.icc;
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decoded_frame_ppf.extra_channels_info = decoded.extra_channels_info;
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decoded_frame_ppf.frames.emplace_back(std::move(decoded_frame));
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extras::PackedPixelFile expected_frame_ppf;
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ASSERT_TRUE(extras::DecodeBytes(Bytes(compressed_frame),
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extras::ColorHints(), &expected_frame_ppf));
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EXPECT_EQ(0.0f,
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test::ComputeDistance2(decoded_frame_ppf, expected_frame_ppf));
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++i;
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}
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}
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} // namespace
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} // namespace jxl
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