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46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
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#include <math.h>
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#include <string.h>
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#include <cogl/cogl.h>
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#include "test-utils.h"
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#define cogl_assert_float(a, b) \
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do { \
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if (fabsf ((a) - (b)) >= 0.0001f) \
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g_assert_cmpfloat ((a), ==, (b)); \
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} while (0)
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void
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test_color_hsl (void)
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{
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CoglColor color;
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float hue, saturation, luminance;
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cogl_color_init_from_4ub(&color, 108, 198, 78, 255);
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cogl_color_to_hsl(&color, &hue, &saturation, &luminance);
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cogl_assert_float(hue, 105.f);
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cogl_assert_float(saturation, 0.512821);
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cogl_assert_float(luminance, 0.541176);
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memset(&color, 0, sizeof (CoglColor));
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cogl_color_init_from_hsl(&color, hue, saturation, luminance);
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g_assert_cmpint (color.red, ==, 108);
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g_assert_cmpint (color.green, ==, 198);
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g_assert_cmpint (color.blue, ==, 78);
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g_assert_cmpint (color.alpha, ==, 255);
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memset(&color, 0, sizeof (CoglColor));
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cogl_color_init_from_hsl(&color, hue, 0, luminance);
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cogl_assert_float(color.red / 255.0f, luminance);
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cogl_assert_float(color.green / 255.0f, luminance);
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cogl_assert_float(color.blue / 255.0f, luminance);
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cogl_assert_float(color.alpha / 255.0f, 1.0f);
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if (cogl_test_verbose ())
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g_print ("OK\n");
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}
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