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Add Upload Image icon to cartIcon sizes: 16x16, 256x256, 48x48, 32x32, 24x24
File formats: ICO, GIF, PNG, BMP
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What Are Mac Icons?
Numerous independent vendors are providing custom icons in sizes and resolutions common to certain computer platforms. The article explains what icons are, how they are used and implemented in various systems, and what standards are defined for Windows icons, Mac icons, and PNG icons.Computer icons are an integral part of any modern GUI. Icons are small pictures of standardized sizes that depict objects, actions, and symbols. In window-based systems, icons are used as a faster, more intuitive way to communicate with the user. Icons depicting standard elements of a user interface are more visually appealing than text, can be recognized faster, and are easier for new computer users.
Originally developed in 1970 by the Xerox Research Center and widely deployed by the Mac OS and Microsoft Windows systems, icons make computer novices feel more comfortable with operating systems, learn quicker and work more efficiently. Icons can be used to replace or supplement text messages. Commonly used in menus, toolbars, on buttons and in the latest ribbon-type user interfaces, icons have come a long way from the original concept.
There are multiple graphic formats for storing icons. The Windows systems use Windows icons in the platform-specific ICO format. Mac OS computers store Mac icons in their specific formats, while Unix-based systems employ PNG icons for most applications. As such, icon editing software is generally available for the Windows and Mac OS systems, while Unix users can create PNG icons with any graphic editor.
As a rule of thumb, icons are square pictures that come in a number of standard sizes and color resolutions. Most systems use icons of 16x16 to 128x128 pixels, while some systems readily accept icons as large as 512x512 pixels. The big 512x512 pixel icons were first employed in Mac OS Leopard.
Pixel dimensions of all icons are platform dependent. For example, Windows icons are defined as images in 16 and 256-color gammas as well as True Color images with alpha channel. Windows icons are supplied in standard sizes of 16x16, 32x32, and 48x48 pixels. Windows Vista defines new standards for Windows icons, including icons in resolutions of up to 256x256 pixels in True Color only. Optionally, images of 128x128 and 512x512 pixels are supported. Interestingly, the high-resolution Windows Vista icons are stored in compressed PNG format instead of Windows ICO used in older versions of Windows and for lower resolution images. Other platforms such as Windows Mobile can employ standard icons of other resolutions, e.g. 24x24 pixels.
Numerous independent designers are offering custom icons. Aha-Soft offers a wide selection of Windows icons, Mac icons, and PNG icons in all sizes and resolutions common to those platforms. The company sells royalty-free icons individually and in matching sets incorporating icons drawn a common style or theme.
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