Move javascript color conversion functions to ColorsConvert.js

This commit is contained in:
Corey Woodworth
2025-11-17 11:11:25 -05:00
parent 595ad0bb20
commit c223737fd7
2 changed files with 92 additions and 89 deletions

View File

@@ -1,6 +1,4 @@
/**
* Convert hex color to HSL
*/
// Convert hex color to HSL
function hexToHSL(hex) {
const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
if (!result) return null;
@@ -36,14 +34,13 @@ function hexToHSL(hex) {
return { h: h * 360, s: s * 100, l: l * 100 };
}
/**
* Convert HSL to hex color
*/
// Convert HSL to hex color
function hslToHex(h, s, l) {
const rgb = hslToRgb(h, s, l);
return rgbToHex(rgb.r, rgb.g, rgb.b);
}
// Convert hex color to RGB
function hexToRgb(hex) {
const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
return result ? {
@@ -53,6 +50,7 @@ function hexToRgb(hex) {
} : { r: 0, g: 0, b: 0 };
}
// Convert RGB to hex color
function rgbToHex(r, g, b) {
return "#" + [r, g, b].map(x => {
const hex = Math.round(Math.max(0, Math.min(255, x))).toString(16);
@@ -60,6 +58,7 @@ function rgbToHex(r, g, b) {
}).join("");
}
// Convert RGB to HSL
function rgbToHsl(r, g, b) {
r /= 255;
g /= 255;
@@ -85,6 +84,7 @@ function rgbToHsl(r, g, b) {
return { h: h * 360, s: s * 100, l: l * 100 };
}
// Convert HSL to RGB
function hslToRgb(h, s, l) {
h /= 360;
s /= 100;
@@ -115,6 +115,83 @@ function hslToRgb(h, s, l) {
return { r: r * 255, g: g * 255, b: b * 255 };
}
// Convert RGB to HSV
function rgbToHsv(r, g, b) {
r /= 255;
g /= 255;
b /= 255;
var max = Math.max(r, g, b), min = Math.min(r, g, b);
var h, s, v = max;
var d = max - min;
s = max === 0 ? 0 : d / max;
if (max === min) {
h = 0;
} else {
switch (max) {
case r:
h = (g - b) / d + (g < b ? 6 : 0);
break;
case g:
h = (b - r) / d + 2;
break;
case b:
h = (r - g) / d + 4;
break;
}
h /= 6;
}
return [h * 360, s * 100, v * 100];
}
// Convert HSV to RGB
function hsvToRgb(h, s, v) {
h /= 360;
s /= 100;
v /= 100;
var r, g, b;
var i = Math.floor(h * 6);
var f = h * 6 - i;
var p = v * (1 - s);
var q = v * (1 - f * s);
var t = v * (1 - (1 - f) * s);
switch (i % 6) {
case 0:
r = v;
g = t;
b = p;
break;
case 1:
r = q;
g = v;
b = p;
break;
case 2:
r = p;
g = v;
b = t;
break;
case 3:
r = p;
g = q;
b = v;
break;
case 4:
r = t;
g = p;
b = v;
break;
case 5:
r = v;
g = p;
b = q;
break;
}
return [Math.round(r * 255), Math.round(g * 255), Math.round(b * 255)];
}
// Calculate relative luminance (WCAG standard)
function getLuminance(hex) {
const rgb = hexToRgb(hex);

View File

@@ -3,6 +3,7 @@ import QtQuick.Controls
import QtQuick.Layouts
import qs.Commons
import qs.Widgets
import "../Helpers/ColorsConvert.js" as ColorsConvert
Popup {
id: root
@@ -26,81 +27,6 @@ Popup {
modal: true
function rgbToHsv(r, g, b) {
r /= 255;
g /= 255;
b /= 255;
var max = Math.max(r, g, b), min = Math.min(r, g, b);
var h, s, v = max;
var d = max - min;
s = max === 0 ? 0 : d / max;
if (max === min) {
h = 0;
} else {
switch (max) {
case r:
h = (g - b) / d + (g < b ? 6 : 0);
break;
case g:
h = (b - r) / d + 2;
break;
case b:
h = (r - g) / d + 4;
break;
}
h /= 6;
}
return [h * 360, s * 100, v * 100];
}
function hsvToRgb(h, s, v) {
h /= 360;
s /= 100;
v /= 100;
var r, g, b;
var i = Math.floor(h * 6);
var f = h * 6 - i;
var p = v * (1 - s);
var q = v * (1 - f * s);
var t = v * (1 - (1 - f) * s);
switch (i % 6) {
case 0:
r = v;
g = t;
b = p;
break;
case 1:
r = q;
g = v;
b = p;
break;
case 2:
r = p;
g = v;
b = t;
break;
case 3:
r = p;
g = q;
b = v;
break;
case 4:
r = t;
g = p;
b = v;
break;
case 5:
r = v;
g = p;
b = q;
break;
}
return [Math.round(r * 255), Math.round(g * 255), Math.round(b * 255)];
}
background: Rectangle {
color: Color.mSurface
radius: Style.radiusS
@@ -248,7 +174,7 @@ Popup {
value: Math.round(root.selectedColor.r * 255)
onMoved: value => {
root.selectedColor = Qt.rgba(value / 255, root.selectedColor.g, root.selectedColor.b, 1);
var hsv = root.rgbToHsv(root.selectedColor.r * 255, root.selectedColor.g * 255, root.selectedColor.b * 255);
var hsv = ColorsConvert.rgbToHsv(root.selectedColor.r * 255, root.selectedColor.g * 255, root.selectedColor.b * 255);
root.currentHue = hsv[0];
root.currentSaturation = hsv[1];
}
@@ -275,7 +201,7 @@ Popup {
onMoved: value => {
root.selectedColor = Qt.rgba(root.selectedColor.r, value / 255, root.selectedColor.b, 1);
// Update stored hue and saturation when RGB changes
var hsv = root.rgbToHsv(root.selectedColor.r * 255, root.selectedColor.g * 255, root.selectedColor.b * 255);
var hsv = ColorsConvert.rgbToHsv(root.selectedColor.r * 255, root.selectedColor.g * 255, root.selectedColor.b * 255);
root.currentHue = hsv[0];
root.currentSaturation = hsv[1];
}
@@ -302,7 +228,7 @@ Popup {
onMoved: value => {
root.selectedColor = Qt.rgba(root.selectedColor.r, root.selectedColor.g, value / 255, 1);
// Update stored hue and saturation when RGB changes
var hsv = root.rgbToHsv(root.selectedColor.r * 255, root.selectedColor.g * 255, root.selectedColor.b * 255);
var hsv = ColorsConvert.rgbToHsv(root.selectedColor.r * 255, root.selectedColor.g * 255, root.selectedColor.b * 255);
root.currentHue = hsv[0];
root.currentSaturation = hsv[1];
}
@@ -326,7 +252,7 @@ Popup {
from: 0
to: 100
value: {
var hsv = root.rgbToHsv(root.selectedColor.r * 255, root.selectedColor.g * 255, root.selectedColor.b * 255);
var hsv = ColorsConvert.rgbToHsv(root.selectedColor.r * 255, root.selectedColor.g * 255, root.selectedColor.b * 255);
return hsv[2];
}
onMoved: value => {
@@ -334,14 +260,14 @@ Popup {
var saturation = root.currentSaturation;
if (hue === 0 && saturation === 0) {
var hsv = root.rgbToHsv(root.selectedColor.r * 255, root.selectedColor.g * 255, root.selectedColor.b * 255);
var hsv = ColorsConvert.rgbToHsv(root.selectedColor.r * 255, root.selectedColor.g * 255, root.selectedColor.b * 255);
hue = hsv[0];
saturation = hsv[1];
root.currentHue = hue;
root.currentSaturation = saturation;
}
var rgb = root.hsvToRgb(hue, saturation, value);
var rgb = ColorsConvert.hsvToRgb(hue, saturation, value);
root.selectedColor = Qt.rgba(rgb[0] / 255, rgb[1] / 255, rgb[2] / 255, 1);
}
text: Math.round(brightnessSlider.value) + "%"
@@ -387,7 +313,7 @@ Popup {
cursorShape: Qt.PointingHandCursor
onClicked: {
root.selectedColor = modelData;
var hsv = root.rgbToHsv(root.selectedColor.r * 255, root.selectedColor.g * 255, root.selectedColor.b * 255);
var hsv = ColorsConvert.rgbToHsv(root.selectedColor.r * 255, root.selectedColor.g * 255, root.selectedColor.b * 255);
root.currentHue = hsv[0];
root.currentSaturation = hsv[1];
}
@@ -437,7 +363,7 @@ Popup {
cursorShape: Qt.PointingHandCursor
onClicked: {
root.selectedColor = modelData;
var hsv = root.rgbToHsv(root.selectedColor.r * 255, root.selectedColor.g * 255, root.selectedColor.b * 255);
var hsv = ColorsConvert.rgbToHsv(root.selectedColor.r * 255, root.selectedColor.g * 255, root.selectedColor.b * 255);
root.currentHue = hsv[0];
root.currentSaturation = hsv[1];
}