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Add configurable color maps for noise and density preview

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This commit is contained in:
Misode
2022-11-10 03:42:55 +01:00
parent e89cdfb0ad
commit 3dcb1d2352
8 changed files with 103 additions and 20 deletions
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12
src/app/components/previews/DensityFunctionPreview.tsx
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@@ -1,9 +1,11 @@
import { useEffect, useRef, useState } from 'preact/hooks'
import { useLocale, useProject } from '../../contexts/index.js'
import { useCanvas } from '../../hooks/index.js'
import type { ColormapType } from '../../previews/Colormap.js'
import { densityFunction, densityPoint } from '../../previews/index.js'
import { randomSeed } from '../../Utils.js'
import { Btn, BtnMenu } from '../index.js'
import { ColormapSelector } from './ColormapSelector.jsx'
import type { PreviewProps } from './index.js'
export const DensityFunctionPreview = ({ data, shown, version }: PreviewProps) => {
@@ -14,6 +16,7 @@ export const DensityFunctionPreview = ({ data, shown, version }: PreviewProps) =
const [height] = useState(256)
const [autoScroll, setAutoScroll] = useState(false)
const [focused, setFocused] = useState<string[]>([])
const [colormap, setColormap] = useState<ColormapType>('viridis')
const offset = useRef(0)
const scrollInterval = useRef<number | undefined>(undefined)
const state = JSON.stringify([data])
@@ -24,7 +27,7 @@ export const DensityFunctionPreview = ({ data, shown, version }: PreviewProps) =
return [size, size]
},
async draw(img) {
const options = { offset: offset.current, width: img.width, seed, version, project, minY, height }
const options = { offset: offset.current, width: img.width, seed, version, project, minY, height, colormap }
await densityFunction(data, img, options)
},
async onDrag(dx) {
@@ -34,14 +37,14 @@ export const DensityFunctionPreview = ({ data, shown, version }: PreviewProps) =
async onHover(x, y) {
const worldX = Math.floor(x * size)
const worldY = Math.floor(y * (height - minY))
const options = { offset: offset.current, width: size, seed, version, project, minY, height }
const options = { offset: offset.current, width: size, seed, version, project, minY, height, colormap }
const density = await densityPoint(data, worldX, worldY, options)
setFocused([density.toPrecision(3), `X=${Math.floor(worldX - offset.current)} Y=${(height - minY) - worldY}`])
},
onLeave() {
setFocused([])
},
}, [version, state, seed, minY, height, project])
}, [version, state, seed, minY, height, colormap, project])
useEffect(() => {
if (scrollInterval.current) {
@@ -56,11 +59,12 @@ export const DensityFunctionPreview = ({ data, shown, version }: PreviewProps) =
}, 100) as any
}
}
}, [version, state, seed, minY, height, project, shown, autoScroll])
}, [version, state, seed, minY, height, colormap, project, shown, autoScroll])
return <>
<div class="controls preview-controls">
{focused.map(s => <Btn label={s} class="no-pointer" /> )}
<ColormapSelector value={colormap} onChange={setColormap} />
<BtnMenu icon="gear" tooltip={locale('terrain_settings')}>
<Btn icon={autoScroll ? 'square_fill' : 'square'} label={locale('preview.auto_scroll')} onClick={() => setAutoScroll(!autoScroll)} />
</BtnMenu>