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use CanvasImageSource instead of HTMLImageElement #1

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use CanvasImageSource instead of HTMLImageElement #1

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6 changes: 3 additions & 3 deletions src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -43,7 +43,7 @@ export default class Perspective {
// Context for transformed image
private ctxt: CanvasRenderingContext2D;

constructor(ctxd: CanvasRenderingContext2D, image: HTMLImageElement) {
constructor(ctxd: CanvasRenderingContext2D, image: CanvasImageSource) {
// check the arguments
if (!ctxd || !ctxd.strokeStyle) {
return;
Expand All @@ -53,8 +53,8 @@ export default class Perspective {
}
// prepare a <canvas> for the image
let cvso = document.createElement("canvas");
cvso.width = Math.round(image.width);
cvso.height = Math.round(image.height);
cvso.width = Math.round(typeof image.width === "number" ? image.width : image.width.baseVal.value);
cvso.height = Math.round(typeof image.height === "number" ? image.height : image.height.baseVal.value);
let ctxo = cvso.getContext("2d");
ctxo.drawImage(image, 0, 0, cvso.width, cvso.height);
// prepare a <canvas> for the transformed image
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