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https://github.com/voltbonn/profile-picture-generator.git
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modified the copied function, to fit the style guide
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parent
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1 changed files with 28 additions and 21 deletions
49
src/App.js
49
src/App.js
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@ -10,41 +10,48 @@ const frameSize = 1080
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function getOrientation(file, callback) {
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function getOrientation(file, callback) {
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// Source: http://stackoverflow.com/a/32490603
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// Source: http://stackoverflow.com/a/32490603
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var reader = new FileReader();
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// (With some modifications: I just made the code fit the style-guide.)
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const reader = new FileReader()
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reader.onload = function (event) {
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reader.onload = function (event) {
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var view = new DataView(event.target.result);
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const view = new DataView(event.target.result)
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if (view.getUint16(0, false) !== 0xFFD8) return callback(-2);
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if (view.getUint16(0, false) !== 0xFFD8) {
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return callback(-2)
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}
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var length = view.byteLength,
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const length = view.byteLength
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offset = 2;
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let offset = 2
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while (offset < length) {
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while (offset < length) {
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var marker = view.getUint16(offset, false);
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const marker = view.getUint16(offset, false)
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offset += 2;
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offset += 2
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if (marker === 0xFFE1) {
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if (marker === 0xFFE1) {
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if (view.getUint32(offset += 2, false) !== 0x45786966) {
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if (view.getUint32(offset += 2, false) !== 0x45786966) {
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return callback(-1);
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return callback(-1)
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}
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}
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var little = view.getUint16(offset += 6, false) === 0x4949;
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const little = view.getUint16(offset += 6, false) === 0x4949
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offset += view.getUint32(offset + 4, little);
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offset += view.getUint32(offset + 4, little)
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var tags = view.getUint16(offset, little);
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const tags = view.getUint16(offset, little)
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offset += 2;
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offset += 2
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for (var i = 0; i < tags; i++)
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for (var i = 0; i < tags; i++) {
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if (view.getUint16(offset + (i * 12), little) === 0x0112)
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if (view.getUint16(offset + (i * 12), little) === 0x0112) {
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return callback(view.getUint16(offset + (i * 12) + 8, little));
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return callback(view.getUint16(offset + (i * 12) + 8, little))
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}
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}
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else if ((marker & 0xFF00) !== 0xFF00) break;
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else offset += view.getUint16(offset, false);
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}
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}
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return callback(-1);
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} else if ((marker & 0xFF00) !== 0xFF00) {
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};
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break
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} else {
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offset += view.getUint16(offset, false)
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}
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}
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return callback(-1)
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}
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reader.readAsArrayBuffer(file.slice(0, 64 * 1024));
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reader.readAsArrayBuffer(file.slice(0, 64 * 1024))
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};
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}
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function App() {
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function App() {
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const [frameURL, setFrameURL] = useState(null)
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const [frameURL, setFrameURL] = useState(null)
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