lmage is an image folder, which is an extreme machine disk file that depicts an image. There are no less than dozens of file formats; image files can be divided into two categories, namely picture files and animation files. This file can deleted.
#The operating environment of this article: Windows 7 system, Dell G3 computer.
What kind of file is lmage and can it be deleted?
image folder: also called image folder, it is an extreme machine disk file that depicts an image. There are no fewer than dozens of formats. Picture files can be divided into two categories, namely picture files and animation files. It can be deleted.
There are many kinds of image files. The most commonly used image file format in HTML files is JPEG. An animation file refers to an image sequence consisting of several interrelated frames of still images. These still images are continuously broadcast to form a set of animations, which are usually used to complete simple dynamic process demonstrations.
Extended information
image file format
1. The BMP image file format is the standard image format set by Microsoft for its windows environment. A Windows BMP bitmap is an array of bits corresponding to display pixels. There are two types: GDI bitmaps and DIB bitmaps.
The BMP format supports RGB, indexed color, grayscale and bitmap color modes, but does not support the Alpha channel. The BMP format supports 1, 4, 24, and 32-bit RGB bitmaps.
After five years of hard and meticulous work, the "Joint Photo Expert Group" jointly established by the International Organization for Standardization and the International Telegraph and Telephone Consultative Committee proposed draft recommendation No. ISO CD 10918 in March 1991. This is a Compression standard for color and monochrome or continuous-tone still digital images.
2. TIFF was first launched by Aldus Company in 1986. It can well support any image from monochrome to 24-bit true color, and it is also very easy to modify and convert between different platforms.
Different from other image formats, TIFF files have a standard information area used to define the image data type, color and compression method stored in the file.
3. GIF is a high compression ratio color image file format launched by CompuServe in the 1980s.
CompuServe uses an efficient and lossless data compression method to launch the GIF image format, which is mainly used for network transmission of image files.
4. The PNG file format was proposed and designed by Thomas Boutell, Tom Lane and others. It is an image format designed to adapt to network data transmission and is used to replace simpler formats and strict patent restrictions. GIF image format.
The PNG file format supports three main image types: true color images, grayscale images, and color index data images.
For more related knowledge, please visit the FAQ column!
The above is the detailed content of What kind of file is image? Can it be deleted?. For more information, please follow other related articles on the PHP Chinese website!