Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'get-pixels' 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.
return new Promise(resolve => {
getPixels(filename, function(err, p) {
if (err) {
console.log('Bad image path')
return
}
let iX = 0
let iY = 0
let iN = 0
for (let i = 100; i < p.shape[0] - 100; i++) {
for (let j = 300; j < p.shape[1] - 300; j++) {
const r = p.get(i, j, 0)
const g = p.get(i, j, 1)
const b = p.get(i, j, 2)
// if (r < 40 && r > 33 && g < 40 && g > 33 && b < 40 && b > 33) {
// if (r < 65 && r > 55 && g < 60 && g > 50 && b < 95 && b > 85) {
if (inGradient('#413778', '#322364', r, g, b)) {
}
});
});
}
} else if (api.includes('mapbox-terrain-rgb') ||
api.includes('mapbox-satellite')) {
// if (isOnline && dumpBlobForDebug && api.includes('mapbox-terrain-rgb')) {
// if (isOnline && dumpBlobForDebug && api.includes('mapbox-satellite')) {
if (isOnline && dumpBlobForDebug) {
xhrDumpBlob(uri, api, zoompos);
// return;
}
// console.log('uri:', uri);
getPixels(uri, (err, pixels) => {
if (err) {
console.log("Bad image uri:", uri);
cb(null);
return;
}
// console.log("got pixels", pixels.shape.slice());
cb(pixels);
});
} else {
console.log('nop, unsupported api:', api);
}
}
return dispatch => {
dispatch(loadNewImagePending())
getPixels(url, (err, colorPixels) => {
const [originalWidth, originalHeight, ...rest] = colorPixels.shape // eslint-disable-line no-unused-vars
let [width, height] = [originalWidth, originalHeight]
const scaleFactor = Math.min(470 / width, 600 / height)
if(scaleFactor < 1) {
width = originalWidth * scaleFactor
height = originalHeight * scaleFactor
}
dispatch(updateImageUrl({ url, width, height, originalWidth, originalHeight, filename }, true))
convertToGrayscale(colorPixels).then(pixels => {
dispatch(updateSourcePixels({ pixels }))
})
})
}
function runSvgurtOnFile(config, inputFileName, outputFileName, callback) {
const fileNameToImport = path.join(__dirname, '..', inputFileName);
getPixels(fileNameToImport, (err, pixels) => {
if (err) {
callback(`Error importing image: ${err}`);
return;
}
const width = pixels.shape[0];
const height = pixels.shape[1];
const imageDataToUse = {
data: pixels.data
};
// Do image manipulation - this mutates the image data.
// It mutates because we're depending on some libraries that mutate it... Not my choice!
manipulateImageData(imageDataToUse, config, width, height);
return new Promise(resolve => {
getPixels(filename, function(err, p) {
if(err) {
console.log('Bad image path')
return
}
const isBG = (r, g, b) => {
return (
inGradient('#E0E0E0', '#C0C0C0', r, g, b) ||
inGradient('#E0E0E0', '#FFC9E0', r, g, b) ||
inGradient('#FFD4AB', '#D2946B', r, g, b) ||
inGradient('#FFFFCA', '#E0EB7B', r, g, b) ||
inGradient('#E0D5FF', '#BFB4F6', r, g, b) ||
inGradient('#C0C0C0', '#A0A0A0', r, g, b)
)
}
set src(src) {
this._src = src;
getPixels(src, (error, pixels) => {
if (error) {
return;
}
const [width, height] = pixels.shape;
this.width = width;
this.height = height;
const length = width * height;
for (let pixelIndex = 0, dataIndex = 0; dataIndex < length; dataIndex ++) {
this.imageData.r[dataIndex] = pixels.data[pixelIndex ++];
this.imageData.g[dataIndex] = pixels.data[pixelIndex ++];
this.imageData.b[dataIndex] = pixels.data[pixelIndex ++];
this.imageData.a[dataIndex] = pixels.data[pixelIndex ++] / 255;
return new Promise((resolve, reject) => {
getPixels(shrinkedImageBuffer, type, (err, pixels) => {
if (err) {
return reject(err);
}
return resolve([
pixels.data[0],
pixels.data[1],
pixels.data[2],
pixels.data[3],
]);
});
});
}