From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- third_party/jpeg-xl/lib/jxl/opsin_inverse_test.cc | 57 +++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 third_party/jpeg-xl/lib/jxl/opsin_inverse_test.cc (limited to 'third_party/jpeg-xl/lib/jxl/opsin_inverse_test.cc') diff --git a/third_party/jpeg-xl/lib/jxl/opsin_inverse_test.cc b/third_party/jpeg-xl/lib/jxl/opsin_inverse_test.cc new file mode 100644 index 0000000000..088253c2ce --- /dev/null +++ b/third_party/jpeg-xl/lib/jxl/opsin_inverse_test.cc @@ -0,0 +1,57 @@ +// Copyright (c) the JPEG XL Project Authors. All rights reserved. +// +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include "lib/jxl/base/data_parallel.h" +#include "lib/jxl/codec_in_out.h" +#include "lib/jxl/color_encoding_internal.h" +#include "lib/jxl/color_management.h" +#include "lib/jxl/dec_xyb.h" +#include "lib/jxl/enc_color_management.h" +#include "lib/jxl/enc_xyb.h" +#include "lib/jxl/image.h" +#include "lib/jxl/image_bundle.h" +#include "lib/jxl/image_test_utils.h" +#include "lib/jxl/testing.h" + +namespace jxl { +namespace { + +TEST(OpsinInverseTest, LinearInverseInverts) { + Image3F linear(128, 128); + RandomFillImage(&linear, 0.0f, 1.0f); + + CodecInOut io; + io.metadata.m.SetFloat32Samples(); + io.metadata.m.color_encoding = ColorEncoding::LinearSRGB(); + io.SetFromImage(CopyImage(linear), io.metadata.m.color_encoding); + ThreadPool* null_pool = nullptr; + Image3F opsin(io.xsize(), io.ysize()); + (void)ToXYB(io.Main(), null_pool, &opsin, GetJxlCms()); + + OpsinParams opsin_params; + opsin_params.Init(/*intensity_target=*/255.0f); + OpsinToLinearInplace(&opsin, /*pool=*/nullptr, opsin_params); + + JXL_ASSERT_OK(VerifyRelativeError(linear, opsin, 3E-3, 2E-4, _)); +} + +TEST(OpsinInverseTest, YcbCrInverts) { + Image3F rgb(128, 128); + RandomFillImage(&rgb, 0.0f, 1.0f); + + ThreadPool* null_pool = nullptr; + Image3F ycbcr(rgb.xsize(), rgb.ysize()); + EXPECT_TRUE(RgbToYcbcr(rgb.Plane(0), rgb.Plane(1), rgb.Plane(2), + &ycbcr.Plane(1), &ycbcr.Plane(0), &ycbcr.Plane(2), + null_pool)); + + Image3F rgb2(rgb.xsize(), rgb.ysize()); + YcbcrToRgb(ycbcr, &rgb2, Rect(rgb)); + + JXL_ASSERT_OK(VerifyRelativeError(rgb, rgb2, 4E-5, 4E-7, _)); +} + +} // namespace +} // namespace jxl -- cgit v1.2.3