The powerful convert command-general Linux technology-Linux technology and application information. The following is a detailed description. The convert command can be used to convert the image format. JPG, BMP, PCX, GIF, PNG, TIFF, XPM, and XWD types are supported. The following is an example:
Convert xxx.jpg xxx.png convert jpeg to png file
Convert xxx.gif xxx.bmp convert gif to bmp Image
Convert xxx. tiff xxx. pcx convert tiff to pcx Image
You can also change the image size:
Convert-resize 1024x768 xxx.jpg xxx1.jpg change the image pixel to 1024*768. Note that the lowercase letter x is used between 1024 and 768.
Convert-sample 50% x50 % xxx.jpg xxx1.jpg: reduce the image size to 50% * 50%
Rotating image:
Convert-rotate 270 sky.jpg sky-final.jpg rotate the image 270 degrees clockwise
Use the-draw option to add text to the image:
Convert-fill black-pointsize 60-font helvetica-draw 'text 10, 80 "Hello, World! "'Hello.jpg helloworld.jpg
Write Hello, World in the black Helvetica font at the 10th and 80th positions of the image!
Convert has many other interesting and powerful functions. You may try it.
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