What is the format of the icon file?

In the Windows operating system, the file name suffix of a single icon is .ICO. The suffix is. ICL represents the icon library, which is a collection of multiple icons. Generally, operating systems do not directly support files in this format and require third-party software to browse. There are also special icons that can be called directly in the programming language.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

What is the format of the icon file?

In the Windows operating system, the file name suffix of a single icon is .ICO. The suffix is. ICL represents the icon library, which is a collection of multiple icons. Generally, operating systems do not directly support files in this format and require third-party software to browse. There are also special icons that can be called directly in the programming language.

In the Mac OS series operating systems, icons follow another different file format, they are bracketed extensions. icn, .rsc, ._icon files. Although these icons are similar in structure, they are incompatible with Windows icons and cannot be directly used in the Windows operating system, but they can be converted in a certain way.

Various icon formats

PNG

PNG (Portable Network Graphics) ---"Portable Network Graphics File Format", is The professional format of Fireworks produced by Macromedia. This format is used for network graphics and supports transparent backgrounds. The disadvantage is that it does not support animation effects. The compression technology it uses allows users to decompress it, with the advantage of not distorting the image. For the same image file size, BMP format is the largest, followed by PNG and JPEG is the smallest. According to the advantage of png file format without distortion, we generally use it in DOCK as a scalable icon.

ICO

ICO Icon file format used by Windows. This file format is widely found in dll and exe files in Windows systems.

For ico files, since it is a special format for windows icons, we will definitely use it when replacing system icons. A simple application is to change the icon for the shortcut of the application. At this time, the icon in ico format must be used. In addition, only the system with Windows XP and above supports icons with Alpha transparent channel. These icons are used in the system below Windows XP. The meeting will be ugly.

ICL

ICL The icl file is just a 16-bit Windows DLL (NE mode) with a changed name. There is nothing in it except icons. We can understand it as an icon library file stored in a certain order. icl files are rare in daily applications and are generally used in program development. icl files can be opened and viewed with software such as iconworkshop.

IP

IP ip is a special file format for our commonly used Iconpackager software. It is essentially a rar file with a changed extension, which can be opened and viewed with WinRAR (usually you will see that it contains an .iconpackage file and an .icl file).

The above is the detailed content of What is the format of the icon file?. For more information, please follow other related articles on the PHP Chinese website!