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Fix dasharrays, add custom size PNG export

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This commit is contained in:
Pieter Vander Vennet 2024-04-01 01:39:04 +02:00
parent faff07d231
commit a79675c879
7 changed files with 52 additions and 7 deletions
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7
langs/en.json
View file

@ -192,6 +192,13 @@
"customThemeIntro": "These are previously visited user-generated themes.",
"customThemeTitle": "Custom themes",
"download": {
"custom": {
"download": "Download PNG of {width}mm wide and {height}mm high",
"downloadHelper": "This is meant for print",
"height": "Image height (in mm):",
"title": "Download an image with a custom width and height",
"width": "Image width (in mm): "
},
"downloadAsPdf": "Download a PDF of the current map",
"downloadAsPdfHelper": "Ideal to print the current map",
"downloadAsPng": "Download as image",

2
src/Models/ThemeConfig/Json/LineRenderingConfigJson.ts
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@ -38,7 +38,7 @@ export default interface LineRenderingConfigJson {
/**
* question: Should a dasharray be used to render the lines?
* The dasharray defines 'pixels of line, pixels of gap, pixels of line, pixels of gap, ...'. For example, `5 6` will be 5 pixels of line followed by a 6 pixel gap.
* Cannot be a dynamic property due to a mapbox limitation
* Cannot be a dynamic property due to a MapLibre limitation (see https://github.com/maplibre/maplibre-gl-js/issues/1235)
* ifunset: Ways are rendered with a full line
*/
dashArray?: string

4
src/Models/ThemeConfig/LineRenderingConfig.ts
View file

@ -7,7 +7,7 @@ import { TagsFilter } from "../../Logic/Tags/TagsFilter"
export default class LineRenderingConfig extends WithContextLoader {
public readonly color: TagRenderingConfig
public readonly width: TagRenderingConfig
public readonly dashArray: TagRenderingConfig
public readonly dashArray: string
public readonly lineCap: TagRenderingConfig
public readonly offset: TagRenderingConfig
public readonly fill: TagRenderingConfig
@ -19,7 +19,7 @@ export default class LineRenderingConfig extends WithContextLoader {
super(json, context)
this.color = this.tr("color", "#0000ff")
this.width = this.tr("width", "7")
this.dashArray = this.tr("dashArray", "")
this.dashArray = json.dashArray
this.lineCap = this.tr("lineCap", "round")
this.fill = this.tr("fill", undefined)
this.fillColor = this.tr("fillColor", undefined)

39
src/UI/DownloadFlow/DownloadPanel.svelte
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@ -8,6 +8,10 @@
import { SvgToPdf } from "../../Utils/svgToPdf"
import ThemeViewState from "../../Models/ThemeViewState"
import DownloadPdf from "./DownloadPdf.svelte"
import { PngMapCreator } from "../../Utils/pngMapCreator"
import { UIEventSource } from "../../Logic/UIEventSource"
import ValidatedInput from "../InputElement/ValidatedInput.svelte"
import { LocalStorageSource } from "../../Logic/Web/LocalStorageSource"
export let state: ThemeViewState
let isLoading = state.dataIsLoading
@ -34,9 +38,21 @@
mapExtent: state.mapProperties.bounds.data,
width: maindiv.offsetWidth,
height: maindiv.offsetHeight,
noSelfIntersectingLines,
noSelfIntersectingLines
})
}
let customWidth = LocalStorageSource.Get("custom-png-width", "20")
let customHeight = LocalStorageSource.Get("custom-png-height", "20")
async function offerCustomPng(): Promise<Blob> {
console.log("Creating a custom size png with dimensions", customWidth.data + "mm *", customHeight.data + "mm")
const creator = new PngMapCreator(state, {
height: Number(customHeight.data), width: Number(customWidth.data)
})
return await creator.CreatePng("belowmap")
}
</script>
{#if $isLoading}
@ -107,5 +123,26 @@
{/each}
</div>
<div class="low-interaction p-2 mt-4">
<h3 class="m-0 mb-2">
<Tr t={t.custom.title}/></h3>
<div class="flex">
<Tr t={t.custom.width} />
<ValidatedInput {state} type="pnat" value={customWidth} />
</div>
<div class="flex">
<Tr t={t.custom.height} />
<ValidatedInput {state} type="pnat" value={customHeight} />
</div>
<DownloadButton
mainText={t.custom.download.Subs({width: $customWidth, height: $customHeight})}
helperText={t.custom.downloadHelper}
extension="png"
construct={() => offerCustomPng()}
{state}
mimetype="image/png"
/>
</div>
<Tr cls="link-underline" t={t.licenseInfo} />
{/if}

3
src/UI/Map/MapLibreAdaptor.ts
View file

@ -357,7 +357,8 @@ export class MapLibreAdaptor implements MapProperties, ExportableMap {
const targetW = Math.max(element.getBoundingClientRect().width * 4,
...labels.map(l => l.getBoundingClientRect().width))
const targetH = element.getBoundingClientRect().height +
Math.max(...labels.map(l => l.getBoundingClientRect().height))
Math.max(...labels.map(l => l.getBoundingClientRect().height * 2 /* A bit of buffer to catch eventual 'margin-top'*/))
// Force a wider view for icon badges
element.style.width = targetW + "px"
// Force more height to include labels

3
src/UI/Map/ShowDataLayer.ts
View file

@ -351,7 +351,8 @@ class LineRenderingLayer {
"line-color": ["feature-state", "color"],
"line-opacity": ["feature-state", "color-opacity"],
"line-width": ["feature-state", "width"],
"line-offset": ["feature-state", "offset"]
"line-offset": ["feature-state", "offset"],
"line-dasharray": this._config.dashArray?.split(" ")?.map(s => Number(s))
},
layout: {
"line-cap": "round"

1
src/Utils/pngMapCreator.ts
View file

@ -67,7 +67,6 @@ export class PngMapCreator {
const newZoom = settings.zoom.data + Math.log2(pixelRatio) - 1
const rasterLayerProperties = settings.rasterLayer.data?.properties ?? AvailableRasterLayers.defaultBackgroundLayer.properties
const style = rasterLayerProperties?.style ?? rasterLayerProperties?.url
console.log("Png-map-creator: initing MlMap with style", style, rasterLayerProperties)
const mapElem = new MlMap({
container: div.id,
style,