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feat(tocanvas): ✨ adding custom width/height for exported canvas #110

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Merged
bubkoo merged 2 commits into from
Apr 6, 2021
Merged

feat(tocanvas): ✨ adding custom width/height for exported canvas #110

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b4f6d9e
feat(tocanvas): ✨ adding custom width/height for exported canvas
andreyk-code Apr 2, 2021
54b7ac8
Removing console.log()
andreyk-code Apr 2, 2021
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20 changes: 16 additions & 4 deletions src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,14 @@ export type Options = {
* A string value for the background color, any valid CSS color value.
*/
backgroundColor?: string
/**
* Width in pixels to be applied to canvas on export.
*/
canvasWidth?: number
/**
* Height in pixels to be applied to canvas on export.
*/
canvasHeight?: number
/**
* An object whose properties to be copied to node's style before rendering.
*/
Expand Down Expand Up @@ -76,6 +84,7 @@ export type Options = {
function getImageSize(domNode: HTMLElement, options: Options = {}) {
const width = options.width || getNodeWidth(domNode)
const height = options.height || getNodeHeight(domNode)

return { width, height }
}

Expand Down Expand Up @@ -107,10 +116,13 @@ export async function toCanvas(
const ratio = options.pixelRatio || getPixelRatio()
const { width, height } = getImageSize(domNode, options)

canvas.width = width * ratio
canvas.height = height * ratio
canvas.style.width = `${width}`
canvas.style.height = `${height}`
const canvasWidth = options.canvasWidth || width
const canvasHeight = options.canvasHeight || height

canvas.width = canvasWidth * ratio
canvas.height = canvasHeight * ratio
canvas.style.width = `${canvasWidth}`
canvas.style.height = `${canvasHeight}`

if (options.backgroundColor) {
context.fillStyle = options.backgroundColor
Expand Down