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Merge pull request #2298 from MahtabBukhari/color_picker_modal_part_2
Color picker popover part 2 && [Icons] Add icon column and icon to post request
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76 changes: 76 additions & 0 deletions
76
...rintModal/Body/Editor/ColorPickerPopover/ColorPickerPopoverView/ColorPicker/ColorUtils.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| export const hexToHsl = (hex: string) => { | ||
| let r = 0 | ||
| let g = 0 | ||
| let b = 0 | ||
|
|
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| if (hex.length === 4) { | ||
| r = parseInt(hex[1] + hex[1], 16) | ||
| g = parseInt(hex[2] + hex[2], 16) | ||
| b = parseInt(hex[3] + hex[3], 16) | ||
| } else if (hex.length === 7) { | ||
| r = parseInt(hex[1] + hex[2], 16) | ||
| g = parseInt(hex[3] + hex[4], 16) | ||
| b = parseInt(hex[5] + hex[6], 16) | ||
| } | ||
|
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| r /= 255 | ||
| g /= 255 | ||
| b /= 255 | ||
|
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| const max = Math.max(r, g, b) | ||
| const min = Math.min(r, g, b) | ||
|
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| let h = 0 | ||
| let s = 0 | ||
| const l = (max + min) / 2 | ||
|
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| if (max !== min) { | ||
| const d = max - min | ||
|
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| s = l > 0.5 ? d / (2 - max - min) : d / (max + min) | ||
|
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| // eslint-disable-next-line default-case | ||
| 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 | ||
| } | ||
|
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| h /= 6 | ||
| } | ||
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| return { | ||
| h: Math.round(h * 360), | ||
| s: Math.round(s * 100), | ||
| l: Math.round(l * 100), | ||
| } | ||
| } | ||
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| export const hslToHex = (h: number, s: number, l: number) => { | ||
| const saturation = s / 100 | ||
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| const lightness = l / 100 | ||
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| const k = (n: number) => (n + h / 30) % 12 | ||
| const a = saturation * Math.min(lightness, 1 - lightness) | ||
|
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| const f = (n: number) => Math.round(255 * (lightness - a * Math.max(-1, Math.min(k(n) - 3, 9 - k(n), 1)))) | ||
|
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| const r = f(0) | ||
| const g = f(8) | ||
| const b = f(4) | ||
|
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| // Construct the hex value without bitwise operations | ||
| const hex = `#${[r, g, b] | ||
| .map((val) => val.toString(16).padStart(2, '0')) | ||
| .join('') | ||
| .toUpperCase()}` | ||
|
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| return hex | ||
| } |
118 changes: 118 additions & 0 deletions
118
...al/Body/Editor/ColorPickerPopover/ColorPickerPopoverView/ColorPicker/SaturationPicker.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| import React, { useRef, useEffect, useState, useCallback } from 'react' | ||
| import styled from 'styled-components' | ||
| import { hslToHex } from './ColorUtils' | ||
|
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| interface SaturationPickerProps { | ||
| hue: number | ||
| onChange: (color: string) => void | ||
| } | ||
|
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| const Container = styled.div` | ||
| position: relative; | ||
| ` | ||
|
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| const Pointer = styled.div<{ x: number; y: number }>` | ||
| position: absolute; | ||
| top: ${(props) => props.y - 7}px; | ||
| left: ${(props) => props.x - 7}px; | ||
| width: 8px; | ||
| height: 8px; | ||
| border-radius: 50%; | ||
| border: 2px solid white; | ||
| background-color: transparent; | ||
| box-shadow: inset 0 0 0 3px rgba(0, 0, 0, 0.3); | ||
| pointer-events: none; | ||
| transition: top 0.1s ease, left 0.1s ease; | ||
| ` | ||
|
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| const SaturationPicker: React.FC<SaturationPickerProps> = ({ hue, onChange }) => { | ||
| const canvasRef = useRef<HTMLCanvasElement | null>(null) | ||
| const [pointerPos, setPointerPos] = useState<{ x: number; y: number }>({ x: 80, y: 50 }) | ||
| const [isDragging, setIsDragging] = useState(false) | ||
|
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| useEffect(() => { | ||
| const canvas = canvasRef.current | ||
|
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| if (canvas) { | ||
| const ctx = canvas.getContext('2d') | ||
|
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| if (ctx) { | ||
| const { width, height } = canvas | ||
|
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| // eslint-disable-next-line no-plusplus | ||
| for (let x = 0; x < width; x++) { | ||
| // eslint-disable-next-line no-plusplus | ||
| for (let y = 0; y < height; y++) { | ||
| const saturation = x / width | ||
| const brightness = 1 - y / height | ||
| const color = `hsl(${hue}, ${saturation * 100}%, ${brightness * 100}%)` | ||
|
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| ctx.fillStyle = color | ||
| ctx.fillRect(x, y, 1, 1) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| }, [hue]) | ||
|
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| const handleCanvasInteraction = useCallback( | ||
| (e: React.MouseEvent | MouseEvent) => { | ||
| const canvas = canvasRef.current | ||
|
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| if (canvas) { | ||
| const rect = canvas.getBoundingClientRect() | ||
| const x = e.clientX - rect.left | ||
| const y = e.clientY - rect.top | ||
|
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| const saturation = x / canvas.width | ||
| const brightness = 1 - y / canvas.height | ||
|
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| const hexColor = hslToHex(hue, saturation * 100, brightness * 100) | ||
|
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| setPointerPos({ x, y }) | ||
| onChange(hexColor) | ||
| } | ||
| }, | ||
| [hue, onChange], | ||
| ) | ||
|
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| const handleMouseDown = (e: React.MouseEvent<HTMLCanvasElement>) => { | ||
| setIsDragging(true) | ||
| handleCanvasInteraction(e) | ||
| } | ||
|
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| // eslint-disable-next-line react-hooks/exhaustive-deps | ||
| const handleMouseMove = (e: MouseEvent) => { | ||
| if (isDragging) { | ||
| handleCanvasInteraction(e) | ||
| } | ||
| } | ||
|
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| const handleMouseUp = () => { | ||
| setIsDragging(false) | ||
| } | ||
|
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| useEffect(() => { | ||
| if (isDragging) { | ||
| window.addEventListener('mousemove', handleMouseMove) | ||
| window.addEventListener('mouseup', handleMouseUp) | ||
| } else { | ||
| window.removeEventListener('mousemove', handleMouseMove) | ||
| window.removeEventListener('mouseup', handleMouseUp) | ||
| } | ||
|
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| return () => { | ||
| window.removeEventListener('mousemove', handleMouseMove) | ||
| window.removeEventListener('mouseup', handleMouseUp) | ||
| } | ||
| }, [isDragging, handleMouseMove]) | ||
|
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| return ( | ||
| <Container> | ||
| <canvas ref={canvasRef} height={162} onMouseDown={handleMouseDown} width={260} /> | ||
| <Pointer x={pointerPos.x} y={pointerPos.y} /> | ||
| </Container> | ||
| ) | ||
| } | ||
|
|
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| export default SaturationPicker |
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