Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'exif-parser' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
fs.readFile(pathToFileUploaded, (err, data) => {
if (err) {
console.log('ERROR', pathToFileUploaded, err);
}
let exifData = exif.create(data).parse(),
batchImage = null;
if (exifData && exifData.tags) {
switch (exifData.tags.Orientation) {
case 2:
batchImage = image.batch().flip('x'); // top-right - flip horizontal
break;
case 3:
batchImage = image.batch().rotate(180); // bottom-right - rotate 180
break;
case 4:
batchImage = image.batch().flip('y'); // bottom-left - flip vertically
break;
case 5:
batchImage = image.batch().rotate(90).flip('x'); // left-top - rotate 90 and flip horizontal
break;
function exifRotate(image, buffer) {
var exif = EXIFParser.create(buffer).parse();
if (!exif || !exif.tags || !exif.tags.Orientation) return;
switch (exif.tags.Orientation) {
case 1: // Horizontal (normal)
// do nothing
break;
case 2: // Mirror horizontal
image.mirror(true, false);
break;
case 3: // Rotate 180
image.rotate(180);
break;
case 4: // Mirror vertical
image.mirror(false, true);
break;
case 5: // Mirror horizontal and rotate 270 CW
image.mirror(true, false).rotate(270);
this._originalMime = mime.toLowerCase();
try {
const mime = this.getMIME();
if (this.constructor.decoders[mime]) {
this.bitmap = this.constructor.decoders[mime](data);
} else {
return throwError.call(this, 'Unsupported MIME type: ' + mime, cb);
}
} catch (error) {
return cb.call(this, error, this);
}
try {
this._exif = EXIFParser.create(data).parse();
exifRotate(this); // EXIF data
} catch (error) {
/* meh */
}
cb.call(this, null, this);
return this;
}
open: function openJpeg(imageData) {
var image = gd.createFromJpegPtr(imageData)
try {
var exif = exifParser.create(imageData).parse()
} catch (e) {
// ignore exif parsing errors
}
if (!_.isEmpty(exif.tags)) image.exif = exif.tags
return image
},
save: function saveJpeg(image, options) {
image.title = path.basename(image.href).replace(patterns.image, '')
// Look for cached image data
if (cache && cache.images && cache.images[image.href]) {
var cached = cache.images[image.href]
// Dates that have been JSON stringified are weird. Use JSON.stringify to compare
if (JSON.stringify(cached.stats.mtime) === JSON.stringify(image.stats.mtime)) {
return callback(null, cached)
}
}
image.dimensions = imageSize(image.processRelativePath)
if (filepath.match(patterns.jpg)) {
image.exif = exif.create(fs.readFileSync(image.processRelativePath)).parse()
}
getImageColors(image.processRelativePath, function(err, colors){
if (err) return callback(err)
image.colors = colors.map(color => color.hex())
return callback(null, image)
})
}
return file.download({ start: 0, end: 1024 }).then(([buffer]) => {
let exif = {};
try {
exif = exifParser.create(buffer).parse();
} catch (e) {
console.log('exif parsing error', e);
}
return exif;
});
}
fs.readFile(filePath, function(err, contents) {
if (err) return callback(new Error('Failed to read file ' + filePath));
try {
var result = exif.create(contents).parse();
} catch (ex) {
return callback(new Error('Failed to read EXIF from ' + filePath));
}
callback(null, {
date: result.tags.DateTimeOriginal ? (result.tags.DateTimeOriginal * 1000) : null,
orientation: result.tags.Orientation || null,
caption: result.tags.ImageDescription
});
});
}
.then(buffer => {
const parser = ExifParser.create(buffer) as any
return parser.parse()
})
}
setExif () {
if (!this.isJPEG()) return
this.exif = exif.create(fs.readFileSync(this.path.processRelative)).parse()
},
runExtractEXIF(input, args) {
try {
const parser = ExifParser.create(input);
const result = parser.parse();
let lines = [];
for (let tagName in result.tags) {
let value = result.tags[tagName];
lines.push(`${tagName}: ${value}`);
}
const numTags = lines.length;
lines.unshift(`Found ${numTags} tags.\n`);
return lines.join("\n");
} catch (err) {
throw "Could not extract EXIF data from image: " + err;
}
},