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Adding a download button #14

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Adding a download button #14

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17 changes: 16 additions & 1 deletion src/app.jsx
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@ import { compact, map } from 'lodash';

import visualCenter from './visualCenter.js';
import demoImage from './assets/demo.js';
// import { downloadCenteredImage } from './lib/imglib';
import { downloadCenteredImage } from './lib/imglib.js';

import {
MainHeader,
Expand Down Expand Up @@ -242,6 +242,21 @@ function App() {
</div>
</div>

<div className="txt-center">
<Button
onClick={() =>
downloadCenteredImage(imgSrc || demoImage, {
x: resultLeft,
y: resultTop,
})
}
>
Download
</Button>
</div>

<Space h={1} />

<Inline style={{ gap: 16 }}>
<Checkbox
checked={showGuides}
Expand Down
14 changes: 2 additions & 12 deletions src/lib/imglib.ts → src/lib/imglib.js
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Original file line number Diff line number Diff line change
@@ -1,7 +1,4 @@
export function downloadCenteredImage(
src: string,
center: { x: number; y: number }
) {
export function downloadCenteredImage(src, center) {
const { x, y } = center;

const img = new Image();
Expand All @@ -17,22 +14,15 @@ export function downloadCenteredImage(
return;
}

// ctx.drawImage(img, 0, 0);
ctx.drawImage(
img,
x > 0.5 ? 0 : canvas.width - img.width,
y > 0.5 ? 0 : canvas.height - img.height
);

// // draw in the dom
// const img2 = new Image();
// img2.src = canvas.toDataURL('image/png');
// img2.style.border = '1px solid red';
// document.body.appendChild(img2);

const a = document.createElement('a');
a.href = canvas.toDataURL('image/png');
a.download = 'image.png';
a.download = 'image-centered.png';
a.click();
};
}