diff options
Diffstat (limited to 'third_party/qcms/src/tests/qcms_test_munsell.c')
-rw-r--r-- | third_party/qcms/src/tests/qcms_test_munsell.c | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/third_party/qcms/src/tests/qcms_test_munsell.c b/third_party/qcms/src/tests/qcms_test_munsell.c new file mode 100644 index 0000000000..8df3570eb0 --- /dev/null +++ b/third_party/qcms/src/tests/qcms_test_munsell.c @@ -0,0 +1,217 @@ +// Copyright 2015 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the Chromium LICENSE file. + +#include "qcms.h" +#include "qcms_test_util.h" + +#include <math.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> + +struct color_checker_chart { + char* name; + unsigned char r; + unsigned char g; + unsigned char b; + unsigned char a; +}; + +struct color_checker_chart adobe_munsell[24] = { + { "Dark Skin", 106, 81, 67, 255 }, + { "Light Skin", 182, 149, 130, 255 }, + { "Blue Sky", 103, 122, 154, 255 }, + { "Foliage", 95, 108, 69, 255 }, + { "Blue Flower", 129, 128, 174, 255 }, + { "Bluish Green", 133, 189, 170, 255 }, + { "Orange", 194, 121, 48, 255 }, + { "Purplish Blue", 79, 91, 162, 255 }, + { "Moderate Red", 170, 85, 97, 255 }, + { "Purple", 84, 62, 105, 255 }, + { "Yellow Green", 167, 186, 73, 255 }, + { "Orange Yellow", 213, 162, 57, 255 }, + { "Blue", 54, 62, 149, 255 }, + { "Green", 101, 148, 76, 255 }, + { "Red", 152, 48, 58, 255 }, + { "Yellow", 228, 199, 55, 255 }, + { "Magenta", 164, 83, 144, 255 }, + { "Cyan", 63, 134, 163, 255 }, + { "White", 242, 241, 236, 255 }, + { "Neutral 8", 200, 200, 199, 255 }, + { "Neutral 6.5", 159, 160, 159, 255 }, + { "Neutral 5", 122, 121, 120, 255 }, + { "Neutral 3.5", 84, 84, 84, 255 }, + { "Black", 53, 53, 53, 255 }, +}; + +struct color_checker_chart srgb_munsell[24] = { + { "Dark Skin", 115, 80, 64, 255 }, + { "Light Skin", 195, 151, 130, 255 }, + { "Blue Sky", 94, 123, 156, 255 }, + { "Foliage", 88, 108, 65, 255 }, + { "Blue Flower", 130, 129, 177, 255 }, + { "Bluish Green", 100, 190, 171, 255 }, + { "Orange", 217, 122, 37, 255 }, + { "Purplish Blue", 72, 91, 165, 255 }, + { "Moderate Red", 194, 84, 98, 255 }, + { "Purple", 91, 59, 107, 255 }, + { "Yellow Green", 160, 188, 60, 255 }, + { "Orange Yellow", 230, 163, 42, 255 }, + { "Blue", 46, 60, 153, 255 }, + { "Green", 71, 150, 69, 255 }, + { "Red", 177, 44, 56, 255 }, + { "Yellow", 238, 200, 27, 255 }, + { "Magenta", 187, 82, 148, 255 }, + { "Cyan", /* -49 */ 0, 135, 166, 255 }, + { "White", 243, 242, 237, 255 }, + { "Neutral 8",201, 201, 201, 255 }, + { "Neutral 6.5", 161, 161, 161, 255 }, + { "Neutral 5",122, 122, 121, 255 }, + { "Neutral 3.5", 83, 83, 83, 255 }, + { "Black", 50, 49, 50, 255 }, +}; + +extern void qcms_transform_data_rgba_out_lut_precache(qcms_transform *transform, + unsigned char *src, + unsigned char *dest, + size_t length, + qcms_format_type output_format); + +static qcms_bool invalid_rgb_color_profile(qcms_profile *profile) +{ + return rgbData != qcms_profile_get_color_space(profile) || qcms_profile_is_bogus(profile); +} + +static int color_error(struct color_checker_chart cx, struct color_checker_chart cy) +{ + int dr = cx.r - cy.r; + int dg = cx.g - cy.g; + int db = cx.b - cy.b; + + return round(sqrt((dr * dr) + (dg * dg) + (db * db))); +} + +static qcms_profile* open_profile_from_path(const char *path) +{ + if (strcmp(path, "internal-srgb") != 0) + return qcms_profile_from_path(path); + return qcms_profile_sRGB(); +} + +static int qcms_test_munsell(size_t width, + size_t height, + int iterations, + const char *in_path, + const char *out_path, + const int force_software) +{ + qcms_profile *in_profile = NULL; + qcms_profile *out_profile = NULL; + qcms_format_type format = {0, 2}; // RGBA + qcms_transform *transform; + + struct color_checker_chart *source_munsell = NULL; + struct color_checker_chart *reference_munsell = NULL; + struct color_checker_chart destination_munsell[24]; + + char file_name[256]; + FILE *output; + int dE[24]; + float rmse; + + int i; + + printf("Test qcms data transform accuracy using Munsell colors\n"); + fflush(stdout); + + if (in_path == NULL || out_path == NULL) { + fprintf(stderr, "%s: please provide valid ICC profiles via -i/o options\n", __FUNCTION__); + return EXIT_FAILURE; + } + + in_profile = open_profile_from_path(in_path); + if (!in_profile || invalid_rgb_color_profile(in_profile)) { + fprintf(stderr, "Invalid input profile\n"); + return EXIT_FAILURE; + } + + source_munsell = srgb_munsell; + if (strstr(in_profile->description, "Adobe") != NULL) { + source_munsell = adobe_munsell; + } + + printf("Input profile %s\n", in_profile->description); + + out_profile = open_profile_from_path(out_path); + if (!out_profile || invalid_rgb_color_profile(out_profile)) { + fprintf(stderr, "Invalid output profile\n"); + return EXIT_FAILURE; + } + + reference_munsell = srgb_munsell; + if (strstr(out_profile->description, "Adobe") != NULL) { + reference_munsell = adobe_munsell; + } + + printf("Output profile %s (using qcms precache)\n", out_profile->description); + qcms_profile_precache_output_transform(out_profile); + + transform = qcms_transform_create(in_profile, QCMS_DATA_RGBA_8, out_profile, QCMS_DATA_RGBA_8, QCMS_INTENT_DEFAULT); + if (!transform) { + fprintf(stderr, "Failed to create color transform\n"); + return EXIT_FAILURE; + } else if (force_software) { + transform->transform_fn = qcms_transform_data_rgba_out_lut_precache; + } + + if (qcms_profile_match(in_profile, out_profile)) { + printf("Note: input / output profiles match\n"); + } + + rmse = 0.0f; + + for (i = 0; i < 24; i++) { + transform->transform_fn(transform, &source_munsell[i].r, &destination_munsell[i].r, 1, format); + dE[i] = color_error(reference_munsell[i], destination_munsell[i]); + rmse += dE[i] * dE[i]; + } + + rmse = sqrt(rmse / 24); + printf("RMS color error %.2f\n", rmse); + + // Name and open test result file. + sprintf(file_name, "qcms-test-%ld-munsell-%s-to-%s-rms-%.3f.csv", (long int)time(NULL), in_profile->description, out_profile->description, rmse); + // FIXME: remove spaces from the file name? + output = fopen(file_name, "w"); + + // Print headers. + if (force_software) + fprintf(output, "Report for: qcms_transform_data_rgba_out_lut_precache\n\n"); + else + fprintf(output, "Report for: qcms_transform_data_rgba_out_lut_sse2\n\n"); + + fprintf(output, "%14s,\t%s,\t%s,\t%s\n\n", "Color,", "Actual,,", "Expected,", "dE"); + + // Print results. + for (i = 0; i < 24; i++) { + fprintf(output, "%14s,\t%d,%d,%d,\t%d,%d,%d,\t%d\n", + source_munsell[i].name, + destination_munsell[i].r, destination_munsell[i].g, destination_munsell[i].b, + reference_munsell[i].r, reference_munsell[i].g, reference_munsell[i].b, + dE[i]); + } + + fprintf(output, "\nRMS color error = %.2f\n", rmse); + fclose(output); + + printf("Output written to %s\n", file_name); + return rmse > 0.000001f; +} + +struct qcms_test_case qcms_test_munsell_info = { + "qcms_test_munsell", + qcms_test_munsell, + QCMS_TEST_DISABLED +}; |