Top 9 Examples of "pica in functional component" in JavaScript
Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'pica' 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.
offScreenImage.addEventListener("load", () => {
const targetWidth = offScreenImage.width > 300 ? 300 : offScreenImage.width;
const targetHeight = parseInt(targetWidth * offScreenImage.height / offScreenImage.width, 10);
console.log(`${offScreenImage.width} x ${offScreenImage.height} => ${targetWidth} x ${targetHeight}`);
const offScreenCanvas = document.createElement("canvas");
offScreenCanvas.width = targetWidth;
offScreenCanvas.height = targetHeight;
const pica = Pica({ features: ["js", "wasm", "ww"] });
pica
.resize(offScreenImage, offScreenCanvas, {
unsharpAmount: 80,
unsharpRadius: 0.6,
unsharpThreshold: 2,
transferable: true,
})
.then(result => pica.toBlob(result, "image/jpeg", 0.9))
.then(blob => {
// const reader = new FileReader();
// reader.onloadend = () => {
// console.log("data url length", reader.result.length);
// const base64data = reader.result.length > 3e6 ? "" : reader.result;
// this.setState({
// formData: { ...this.state.formData, avatar: base64data }
// });offScreenImage.addEventListener("load", () => {
const targetWidth = offScreenImage.width > 600 ? 600 : offScreenImage.width;
const targetHeight = parseInt(targetWidth * offScreenImage.height / offScreenImage.width, 10);
console.log(`${offScreenImage.width} x ${offScreenImage.height} => ${targetWidth} x ${targetHeight}`);
const offScreenCanvas = document.createElement("canvas");
offScreenCanvas.width = targetWidth;
offScreenCanvas.height = targetHeight;
const pica = Pica({ features: ["js", "wasm", "ww"] });
pica
.resize(offScreenImage, offScreenCanvas, {
unsharpAmount: 80,
unsharpRadius: 0.6,
unsharpThreshold: 2,
transferable: true,
})
.then(result => pica.toBlob(result, "image/jpeg", 0.9))
.then(blob => this.handleBlob(blob, type, name)); // .catch(error => console.log(error)); // Raven should catch this
});
offScreenImage.src = preview;offScreenImage.addEventListener("load", () => {
const maxWidth = key === "logo" ? 500 : 1000;
console.log(key, maxWidth);
const targetWidth = offScreenImage.width > maxWidth ? maxWidth : offScreenImage.width;
const targetHeight = parseInt(targetWidth * offScreenImage.height / offScreenImage.width, 10);
console.log(`${offScreenImage.width} x ${offScreenImage.height} => ${targetWidth} x ${targetHeight}`);
const offScreenCanvas = document.createElement("canvas");
offScreenCanvas.width = targetWidth;
offScreenCanvas.height = targetHeight;
const pica = Pica({ features: ["js", "wasm", "ww"] });
pica
.resize(offScreenImage, offScreenCanvas, {
unsharpAmount: 80,
unsharpRadius: 0.6,
unsharpThreshold: 2,
transferable: true,
})
.then(result => pica.toBlob(result, "image/jpeg", 0.9))
.then(blob => {
// const reader = new FileReader();
// reader.onloadend = () => {
// console.log("data url length", reader.result.length);
// const base64data = reader.result.length > 3e6 ? "" : reader.result;
// this.setState({
// formData: { ...this.state.formData, [key]: base64data }
// });offScreenImage.width > 600 ? 600 : offScreenImage.width;
const targetHeight = parseInt(
targetWidth * offScreenImage.height / offScreenImage.width,
10
);
console.log(
`${offScreenImage.width} x ${
offScreenImage.height
} => ${targetWidth} x ${targetHeight}`
);
const offScreenCanvas = document.createElement("canvas");
offScreenCanvas.width = targetWidth;
offScreenCanvas.height = targetHeight;
const pica = Pica({ features: ["js", "wasm", "ww"] });
pica
.resize(offScreenImage, offScreenCanvas, {
unsharpAmount: 80,
unsharpRadius: 0.6,
unsharpThreshold: 2,
transferable: true
})
.then((result) => pica.toBlob(result, "image/jpeg", 0.9))
.then((blob) => this.handleBlob(blob, type, name)); // .catch(error => console.log(error)); // Raven should catch this
});
offScreenImage.src = preview;return new Promise((resolve, reject) => {
pica.resizeCanvas(from, to, options, (err) => {
if (err) {
console.warn(`Error resize canvas`);
reject(err);
} else {
resolve(to);
}
});
});
}let ratioHeight = height / maxHeight
if (ratioWidth > ratioHeight) {
newHeight = Math.round(height / ratioWidth)
newWidth = maxWidth
} else {
newWidth = Math.round(width / ratioHeight)
newHeight = maxHeight
}
} else {
reject(new Error('Unknown resize type'))
}
canvas.width = newWidth
canvas.height = newHeight
let picaInstanse = new Pica(resizeOptions.picaInit)
picaInstanse.resize(canvasImage, canvas, resizeOptions.pica).then(resizedCanvas => {
if (type === RESIZE_TYPE_SQUARE) {
let dx = 0
let dy = 0
let sx = 0
let sy = 0
if (newWidth < newHeight) {
sy = (newHeight - newWidth) / 2
newHeight = newWidth
} else {
sx = (newWidth - newHeight) / 2
newWidth = newHeight
}
let cropedCanvas = document.createElement('canvas')
let cropedCanvasCtx = cropedCanvas.getContext('2d')import picaModule from "pica/dist/pica";
const pica = picaModule();
const MAX_FILE_SIZE = 64000;
const MAX_HEIGHT = 128;
const MAX_WIDTH = 128;
const resizeImageForSlack = async (file, type) => {
const alpha = type.mime === "image/png";
const img = await _createImageFromUri(file);
const fromCanvas = _createCanvasForImage(img, alpha);
const toCanvas = _createSlackCanvas();
let quality = 1;
let outputBlob;
await pica.resize(fromCanvas, toCanvas, {
alpha,
unsharpAmount: 60,number,
number,
number,
number,
][] = [
[1, 0, 0, 1, 0, 0],
[-1, 0, 0, 1, width, 0],
[-1, 0, 0, -1, width, height],
[1, 0, 0, -1, 0, height],
[0, 1, 1, 0, 0, 0],
[0, 1, -1, 0, height, 0],
[0, -1, -1, 0, height, width],
[0, -1, 1, 0, 0, width],
];
pica()
.resize(img, canvas)
.then(() => {
let canvas2: HTMLCanvasElement;
if (o === 1) {
canvas2 = canvas;
} else {
canvas2 = document.createElement('canvas');
const ctx = canvas2.getContext('2d');
if (!ctx) {
throw new Error('context is null');
}
canvas2.width = o > 4 ? height : width;
canvas2.height = o > 4 ? width : height;
ctx.transform(...transformations[o - 1]);
ctx.drawImage(canvas, 0, 0);
}export default async function resizeImage(src, el, targetDimensions) {
const pica = Pica();
const from = document.createElement('canvas');
const fromContext = from.getContext('2d');
const to = document.createElement('canvas');
const fromImage = new Image();
fromImage.src = src;
const stats = await getImageStats(fromImage);
const newDimensions = getNewDimensions(stats, targetDimensions);
from.width = stats.width;
from.height = stats.height;
to.height = newDimensions.height;
to.width = newDimensions.width;
fromContext.drawImage(fromImage, 0, 0);