ICO is an icon file format that can store icon files of a single pattern, multiple sizes, and multiple color plates; an icon is actually a collection of multiple pictures in different formats, and also contains certain Transparent area. Icons have a standard size and attribute format, and are usually small in size; each icon contains multiple pictures of the same display content, each picture having a different size and color number. The icon has a characteristic: it contains a transparent area, and the desktop background under the icon can be seen through the transparent area.
The operating environment of this tutorial: Windows 7 system, Dell G3 computer.
What is ico file
ICO is an icon file format that can store icon files with a single pattern, multiple sizes, and multiple color plates. An icon is actually a collection of multiple pictures in different formats, and also contains a certain transparent area.
Icons are computer graphics with clear referential meanings. The desktop icons are software identifiers, and the icons in the interface are function identifiers.
Icons have a standard set of sizes and attribute formats, and are usually small in size. Each icon contains multiple pictures of the same display content, each picture has a different size and number of colors. An icon is a set of similar pictures, each with a different format. From this point of view, the icon is three-dimensional. An icon has another characteristic: it contains a transparent area that shows through the desktop background beneath the icon. Structurally, the icon is actually similar to McDonald’s Big Mac burger.
#An icon is actually a collection of multiple pictures in different formats, and also contains a certain transparent area. Because of the diversity of computer operating systems and display devices, icon sizes require multiple formats.
When the operating system displays an icon, it will select the image among the icons that is most suitable for the current display environment and status according to certain standards. If you are using the Windows 98 operating system, the display environment is 800x600 resolution, 32-bit color depth, and the image format of each icon you see on the desktop is 256 colors and 32x32 pixel size. If under the same display environment, in the Windows XP operating system, the image format of these icons is: true color (32-bit color depth), 32x32 pixel size.
How to open ico file?
ico is an icon file for Windows. Windows can display it directly without opening it. If the resolution of the ico file is too large, it has been tested that the picture manager of Windows 7 can open it, but XP may not. You can try using the drawing tools in the program. Or use an icon file. You can see it in the source manager without opening it. You can also use ACDSee.
For more related knowledge, please visit the FAQ column!
The above is the detailed content of What format is ico?. For more information, please follow other related articles on the PHP Chinese website!