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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:22:31 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:22:31 +0000 |
commit | 8d4f58e49b9dc7d3545651023a36729de773ad86 (patch) | |
tree | 7bc7be4a8e9e298daa1349348400aa2a653866f2 /web/gui/src/dashboard.js/colors.js | |
parent | Initial commit. (diff) | |
download | netdata-8d4f58e49b9dc7d3545651023a36729de773ad86.tar.xz netdata-8d4f58e49b9dc7d3545651023a36729de773ad86.zip |
Adding upstream version 1.12.0.upstream/1.12.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | web/gui/src/dashboard.js/colors.js | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/web/gui/src/dashboard.js/colors.js b/web/gui/src/dashboard.js/colors.js new file mode 100644 index 0000000..4b98c01 --- /dev/null +++ b/web/gui/src/dashboard.js/colors.js @@ -0,0 +1,34 @@ +NETDATA.colorHex2Rgb = function (hex) { + // Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF") + let shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i; + hex = hex.replace(shorthandRegex, function (m, r, g, b) { + return r + r + g + g + b + b; + }); + + let result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex); + return result ? { + r: parseInt(result[1], 16), + g: parseInt(result[2], 16), + b: parseInt(result[3], 16) + } : null; +}; + +NETDATA.colorLuminance = function (hex, lum) { + // validate hex string + hex = String(hex).replace(/[^0-9a-f]/gi, ''); + if (hex.length < 6) { + hex = hex[0] + hex[0] + hex[1] + hex[1] + hex[2] + hex[2]; + } + + lum = lum || 0; + + // convert to decimal and change luminosity + let rgb = "#"; + for (let i = 0; i < 3; i++) { + let c = parseInt(hex.substr(i * 2, 2), 16); + c = Math.round(Math.min(Math.max(0, c + (c * lum)), 255)).toString(16); + rgb += ("00" + c).substr(c.length); + } + + return rgb; +}; |