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Downscale image before uploading

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This commit is contained in:
Joscha 2024-03-29 20:39:53 +01:00
parent 95d49daa23
commit 3381c6e165
1 changed files with 3 additions and 2 deletions
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5
showbits-thermal-printer/static/photo.html
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@ -127,8 +127,9 @@
button.addEventListener("click", () => { button.addEventListener("click", () => {
const canvas = document.createElement("canvas"); const canvas = document.createElement("canvas");
canvas.width = video.videoWidth; const scale = 384 / video.videoWidth;
canvas.height = video.videoHeight; canvas.width = video.videoWidth * scale;
canvas.height = video.videoHeight * scale;
canvas canvas
.getContext("2d") .getContext("2d")
.drawImage(video, 0, 0, canvas.width, canvas.height); .drawImage(video, 0, 0, canvas.width, canvas.height);