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corrected the image fitting to cover the frame-area

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This commit is contained in:
thomasrosen 2021-01-21 20:57:03 +01:00
parent 2dd926cbbb
commit 5c358d7d53
1 changed files with 10 additions and 3 deletions
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13
src/App.js
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@ -27,10 +27,17 @@ function App() {
offscreenCanvas.width = frameSize offscreenCanvas.width = frameSize
offscreenCanvas.height = frameSize offscreenCanvas.height = frameSize
const width = frameSize
const height = (img.height / img.width) * frameSize
const offscreenCanvas_ctx = offscreenCanvas.getContext('2d', { alpha: true }) const offscreenCanvas_ctx = offscreenCanvas.getContext('2d', { alpha: true })
let width, height;
if (img.width < img.height) {
height = (img.height / img.width) * frameSize
width = frameSize
} else {
height = frameSize
width = (img.width / img.height) * frameSize
}
offscreenCanvas_ctx.drawImage( offscreenCanvas_ctx.drawImage(
img, img,
(frameSize - width) / 2, (frameSize - width) / 2,