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Math: add epsilon compare for float, update Color Coordinate calls

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Math has a compare with epsilon for float numbers.

Use this for fixing sligth color conversion issues.

NOTE: this might need some adjustment over time

All phpunint tests written and checked
This commit is contained in:
Clemens Schwaighofer
2024-11-15 18:13:16 +09:00
parent 3845bc7ff5
commit a9f1d878f7
15 changed files with 1246 additions and 152 deletions
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16
www/admin/class_test.convert.colors.php
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@@ -72,7 +72,7 @@ print '<div><h1>' . $PAGE_NAME . '</h1></div>';
// define a list of from to color sets for conversion test
$hwb = Color::hsbToHwb(Coordinates\HSB::__constructFromArray([
$hwb = Color::hsbToHwb(new Coordinates\HSB([
160,
0,
50,
@@ -81,7 +81,7 @@ print "HWB: " . DgS::printAr($hwb) . "<br>";
$hsb = Color::hwbToHsb($hwb);
print "HSB: " . DgS::printAr($hsb) . "<br>";
$oklch = Color::rgbToOkLch(Coordinates\RGB::__constructFromArray([
$oklch = Color::rgbToOkLch(Coordinates\RGB::create([
250,
0,
0
@@ -90,7 +90,7 @@ print "OkLch: " . DgS::printAr($oklch) . "<br>";
$rgb = Color::okLchToRgb($oklch);
print "OkLch -> RGB: " . DgS::printAr($rgb) . "<br>";
$oklab = Color::rgbToOkLab(Coordinates\RGB::__constructFromArray([
$oklab = Color::rgbToOkLab(Coordinates\RGB::create([
250,
0,
0
@@ -101,24 +101,24 @@ $rgb = Color::okLabToRgb($oklab);
print "OkLab -> RGB: " . DgS::printAr($rgb) . "<br>";
print display($rgb->toCssString(), $rgb->toCssString(), 'OkLab to RGB');
$rgb = Coordinates\RGB::__constructFromArray([250, 100, 10])->toLinear();
$rgb = Coordinates\RGB::create([250, 100, 10])->toLinear();
print "RGBlinear: " . DgS::printAr($rgb) . "<br>";
$rgb = Coordinates\RGB::__constructFromArray([0, 0, 0])->toLinear();
$rgb = Coordinates\RGB::create([0, 0, 0])->toLinear();
print "RGBlinear: " . DgS::printAr($rgb) . "<br>";
$cie_lab = Color::okLabToLab($oklab);
print "CieLab: " . DgS::printAr($cie_lab) . "<br>";
print display($cie_lab->toCssString(), $cie_lab->toCssString(), 'OkLab to Cie Lab');
$rgb = Coordinates\RGB::__constructFromArray([0, 0, 60]);
$rgb = Coordinates\RGB::create([0, 0, 60]);
$hsb = Color::rgbToHsb($rgb);
$rgb_b = Color::hsbToRgb($hsb);
print "RGB: " . DgS::printAr($rgb) . "<br>";
print "RGB->HSB: " . DgS::printAr($hsb) . "<br>";
print "HSB->RGB: " . DgS::printAr($rgb_b) . "<br>";
$hsl = Coordinates\HSL::__constructFromArray([0, 20, 0]);
$hsb = Coordinates\HSB::__constructFromArray([0, 20, 0]);
$hsl = Coordinates\HSL::create([0, 20, 0]);
$hsb = Coordinates\HSB::create([0, 20, 0]);
$hsl_from_hsb = Color::hsbToHsl($hsb);
print "HSL from HSB: " . DgS::printAr($hsl_from_hsb) . "<br>";