There are three sizes of the desktop icons: 16x16, 32x32, and 48x48, referred to as 16, 32, and 48. (They have suffixes of .t, .m and .l respectively.) If your application comes from the PC domain, then the size 16 and 32 icons used in the desktop should be familiar sizes. Table 4-2defines where each size is used.
Table 4-2 Icon Sizes and Usage
Component |
Low Resolution |
Med. Resolution |
High Resolution |
---|---|---|---|
File Manager |
32, 16 |
32, 16 |
32, 16 |
Application Manager |
32, 16 |
32, 16 |
32, 16 |
Front Panel |
32 |
48 |
48 |
Subpanels |
16 |
32 |
32 |
Front Panel Controls |
16 |
16 |
16 |
Minimized Window |
32 |
48 |
48 |
24x24 icons (suffixes of .s) are used for internal application graphics like toolbar graphics and are not part of the standard set of desktop icons.
Table 4-3 lists the icons you need to create for an application. A total of 16 icon files are needed, assuming one of each type and size. Figure 4-16shows an example set of icons.
Table 4-3 Minimum Required Icon Set
Type of Icon |
Color |
Color |
Color |
Mono. |
Mono. |
Mono. |
---|---|---|---|---|---|---|
|
16 |
32 |
48 |
16 |
32 |
48 |
Application Icon |
✓ |
✓ |
✓ |
✓ |
✓ |
✓ |
Document or File Icon |
✓ |
✓ |
|
✓ |
✓ |
|
Application Container Icon |
✓ |
✓ |
|
✓ |
✓ |
|
Minimized Windows |
|
|
✓ |
|
|
✓ |
Recommended |
ex: |
Any icons or graphics displayed by your application are designed to display well on black-and-white and gray-scale monitors. These visuals also display well on low-color (16) systems. |