What are the main functions of the aspjpeg component?

The main features of the ASPJPEG component include:

1. Image resizing: Images can be resized based on specified width and height, while maintaining proportion or stretching the image.
2. Image cropping: You can crop the image according to the specified position and size, retaining only the image of the designated area.
3. Image rotation: You can rotate the image clockwise or counterclockwise and specify the angle of rotation.
4. Image watermarking: You can add text or images as a watermark on the image, and specify the position, size, transparency and other parameters of the watermark.
5. Image format conversion allows for the transformation of images from one format to another, supporting common formats such as JPEG, PNG, and GIF.
6. Image quality control: The compression quality of the image can be adjusted to control the size of the image file, reducing network transmission and storage costs.
7. Image effects: Various effects can be applied to images, such as black and white, blur, and sharpening.
8. EXIF data processing: Ability to read and write EXIF information from images, such as capture time, camera model, and geographical location.

These features allow developers to flexibly manipulate and customize images to meet their specific needs.