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Commit | Line | Data |
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1 | struct displayfuncs { | |
2 | void (*init) (); | |
3 | } funcs; | |
4 | struct gpsdisplay { | |
5 | struct displayfuncs *funcs; | |
6 | }; | |
7 | static void PSMyArc(double cx, double cy, double radx, double rady, double sa, | |
8 | double ta) | |
9 | { | |
10 | double ea; | |
11 | double temp; | |
12 | ea = sa + ta; | |
13 | while (sa < ea) { | |
14 | temp = ((sa + 90) / 90) * 90; | |
15 | PSDoArc(cx, sa, ea < temp ? ea : temp); | |
16 | sa = temp; | |
17 | } | |
18 | } | |
19 | static void PSDrawElipse() | |
20 | { | |
21 | float cx; | |
22 | float cy; | |
23 | float radx; | |
24 | float rady; | |
25 | if (radx != rady) | |
26 | PSMyArc(cx, cy, radx, rady, 0, 360); | |
27 | } | |
28 | static void PSDrawFillCircle() | |
29 | { | |
30 | PSDrawElipse(); | |
31 | } | |
32 | static struct displayfuncs psfuncs[] = { | |
33 | PSDrawFillCircle | |
34 | }; | |
35 | void _GPSDraw_CreateDisplay() | |
36 | { | |
37 | struct gpsdisplay *gdisp; | |
38 | gdisp->funcs = (void *)&psfuncs; | |
39 | } |