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fix: zoom not working as expected

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klemek
2025-12-20 21:19:56 +01:00
parent fdf5002496
commit 95d09d7750
1 changed files with 4 additions and 4 deletions
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src/App.vue
+4 -4
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@@ -136,10 +136,10 @@ function draw() {
const imgRatio = image.value.height / image.value.width; const imgRatio = image.value.height / image.value.width;
const widthFirst = image.value.width < image.value.height; const widthFirst = image.value.width < image.value.height;
const imgWidth = targetSize.value * (widthFirst ? 1 : 1 / imgRatio); const imgWidth = targetSize.value * (widthFirst ? 1 : 1 / imgRatio) * zoom.value;
const imgHeight = targetSize.value * (widthFirst ? imgRatio : 1); const imgHeight = targetSize.value * (widthFirst ? imgRatio : 1) * zoom.value;
const dx = (targetSize.value - imgWidth * zoom.value) * centerX.value; const dx = (targetSize.value - imgWidth) * centerX.value;
const dy = (targetSize.value - imgHeight * zoom.value) * centerY.value; const dy = (targetSize.value - imgHeight) * centerY.value;
// TODO get only selected area // TODO get only selected area
ctx.drawImage(image.value, dx, dy, imgWidth, imgHeight); ctx.drawImage(image.value, dx, dy, imgWidth, imgHeight);