11 lines
557 B
TypeScript
11 lines
557 B
TypeScript
export default function imageDataToBlob(imageData: ImageData): Blob {
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const width = imageData.width;
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const height = imageData.height;
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const data = new Uint8ClampedArray(imageData.data);
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const header = new Uint8Array(8); // 4 bytes for width, 4 bytes for height
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const dataView = new DataView(header.buffer);
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dataView.setUint32(0, width, true); // Store width in little-endian
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dataView.setUint32(4, height, true); // Store height in little-endian
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const blob = new Blob([header, data], { type: 'image/png' });
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return blob;
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} |