JavaScript API за създаване, управление и конвертиране на изображения

Инсталирайте Aspose.Imaging Cloud SDK за JavaScript чрез NuGet

 npm i @asposecloud/aspose-imaging-cloud 
or 
npm install aspose-imaging-cloud –save

Можете да изтеглите библиотеката директно от страницата на продукта Aspose.Imaging

Как да конвертирате изображение в PNG формат чрез JavaScript API?

//Load Image

const Image = require('aspose.imaging');
const image = Image.load('path/to/input/image.jpg');

//Save image in PNG format

image.save('path/to/output/image.png', new ImageOptions.png());

//saves the image in JPEG format with a compression level of 75:

const options = new ImageOptions.jpeg();
options.setQuality(75);
image.save('path/to/output/image.jpg', options);

Получаване, модифициране и запазване на съществуващи свойства на изображението чрез Java API

// load an image

const image = AsposeImaging.Image.load('path/to/image.jpg');

// access various properties of the loaded image

console.log('Image width:', image.getWidth());
console.log('Image height:', image.getHeight());
console.log('Image format:', image.getFileFormat());
console.log('Image resolution:', image.getResolutionSettings());
console.log('Image color mode:', image.getColorMode());

// modify certain image properties

const newWidth = 800;
const newHeight = 600;
image.resize(newWidth, newHeight);

// Save the modified image

const outputPath = 'path/to/output.jpg';
const options = new AsposeImaging.ImageOptions.JpegOptions();
options.setQuality(80); // Set JPEG quality to 80%
image.save(outputPath, options);

Как да прилагате филтри към изображения чрез JavaScript API?

//Load image
AsposeImaging.loadImage("path/to/image.jpg", function (image) {
  // Image loaded successfully
  image.filter(image.filterType.Grayscale); // Apply grayscale filter
  image.filter(image.filterType.Brightness, 0.5); // Apply brightness filter
  image.filter(image.filterType.Contrast, 1.2); // Apply contrast filter

  // Save the modified image
  image.save("path/to/modified_image.jpg", function () {
    // Image saved successfully
    console.log("Modified image saved");
  }, function (error) {
    // Error occurred while saving image
    console.log(error);
  });
}, function (error) {
  // Error occurred while loading image
  console.log(error);
});

Как да преоразмерите JPG изображения чрез JavaScript API?

const inputFileName = "input.jpg";
const outputFileName = "output.jpg";
const newWidth = 800;
const newHeight = 600;

imagingApi.createResizedImage(
  { name: inputFileName, format: "jpg" },
  newWidth,
  newHeight,
  null,
  null,
  null,
  null,
  null,
  ResizeType.LanczosResample,
  null,
  { folder: "inputFolder" }
).then((result) => {
  console.log("Image resized successfully");
  console.log(result);
}).catch((error) => {
  console.log("Error occurred:", error);
});