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memefast/resources/js/modules/editor/partials/editor-canvas.tsx
2025-05-28 21:19:42 +08:00

123 lines
4.0 KiB
TypeScript

import React, { useState, useEffect, useLayoutEffect } from 'react';
// Move calculation outside the hook for best performance
const calculateResponsiveScale = (maxWidth) => {
const viewportWidth = window.innerWidth;
// Very aggressive padding reduction for small screens
let padding;
if (viewportWidth < 320) {
padding = 0; // Almost no padding on very small screens
} else if (viewportWidth < 400) {
padding = 0; // Minimal padding on small screens
} else {
padding = 0; // Normal padding on larger screens
}
const availableWidth = viewportWidth - padding;
const constrainedWidth = Math.min(availableWidth, maxWidth);
const newScale = constrainedWidth / 720;
// Just cap at 100%, no minimum to avoid clipping
return Math.min(newScale, 1);
};
const useResponsiveCanvas = (maxWidth = 350) => {
const [scale, setScale] = useState(0.5);
useLayoutEffect(() => {
setScale(calculateResponsiveScale(maxWidth));
}, [maxWidth]);
useEffect(() => {
// Update immediately
setScale(calculateResponsiveScale(maxWidth));
// Create event handlers inside effect
const handleResize = () => {
setScale(calculateResponsiveScale(maxWidth));
};
// Multiple event listeners for better coverage
window.addEventListener('resize', handleResize);
window.addEventListener('orientationchange', handleResize);
// ResizeObserver for more reliable detection in dev tools
let resizeObserver;
if (window.ResizeObserver) {
resizeObserver = new ResizeObserver(() => {
setScale(calculateResponsiveScale(maxWidth));
});
resizeObserver.observe(document.body);
}
// MutationObserver to catch when dev tools changes the viewport
let mutationObserver;
if (window.MutationObserver) {
mutationObserver = new MutationObserver(() => {
setTimeout(() => {
setScale(calculateResponsiveScale(maxWidth));
}, 50);
});
mutationObserver.observe(document.documentElement, {
attributes: true,
attributeFilter: ['style']
});
}
return () => {
window.removeEventListener('resize', handleResize);
window.removeEventListener('orientationchange', handleResize);
if (resizeObserver) resizeObserver.disconnect();
if (mutationObserver) mutationObserver.disconnect();
};
}, [maxWidth]);
return scale;
};
const EditorCanvas = ({maxWidth = 350}) => {
const scale = useResponsiveCanvas(maxWidth);
const canvasWidth = 720;
const canvasHeight = 1280;
const displayWidth = canvasWidth * scale;
const displayHeight = canvasHeight * scale;
const convertCoordinates = (e) => {
const rect = e.currentTarget.getBoundingClientRect();
return {
x: (e.clientX - rect.left) / scale,
y: (e.clientY - rect.top) / scale
};
};
return (
<div className="w-full flex justify-center">
<div
style={{
width: `${displayWidth}px`,
height: `${displayHeight}px`,
}}
>
<div
className="border rounded-3xl bg-white shadow-sm origin-top-left"
style={{
width: `${canvasWidth}px`,
height: `${canvasHeight}px`,
transform: `scale(${scale})`,
}}
onClick={(e) => {
const { x, y } = convertCoordinates(e);
// Handle your canvas interactions here
// x, y are the actual canvas coordinates (0-720, 0-1280)
}}
>
{/* Your canvas content goes here */}
</div>
</div>
</div>
);
};
export default EditorCanvas;