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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 3584 | sourcerer | 1 | /* libnsfb ploygon plotter test program */ |
| 2 | |||
| 3 | #include |
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| 4 | #include |
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| 5 | #include |
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| 6 | #include |
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| 7 | |||
| 8 | #include "libnsfb.h" |
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| 9 | #include "libnsfb_plot.h" |
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| 10 | #include "libnsfb_event.h" |
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| 11 | #include "surface.h" |
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| 12 | |||
| 13 | #define UNUSED(x) ((x) = (x)) |
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| 14 | |||
| 15 | |||
| 16 | int main(int argc, char **argv) |
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| 17 | { |
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| 18 | |||
| 19 | extern nsfb_surface_rtns_t sdl_rtns; |
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| 20 | |||
| 21 | _nsfb_register_surface(NSFB_SURFACE_SDL, &sdl_rtns, "sdl"); |
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| 22 | |||
| 23 | const char *fename; |
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| 24 | enum nsfb_type_e fetype; |
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| 25 | nsfb_t *nsfb; |
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| 26 | nsfb_event_t event; |
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| 27 | int waitloop = 3; |
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| 28 | |||
| 29 | nsfb_bbox_t box; |
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| 30 | uint8_t *fbptr; |
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| 31 | int fbstride; |
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| 32 | |||
| 33 | int sides; |
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| 34 | int radius; |
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| 35 | nsfb_point_t *points; |
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| 36 | int loop; |
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| 37 | // nsfb_plot_pen_t pen; |
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| 38 | |||
| 39 | if (argc < 2) { |
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| 40 | fename="sdl"; |
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| 41 | } else { |
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| 42 | fename = argv[1]; |
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| 43 | } |
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| 44 | |||
| 45 | fetype = nsfb_type_from_name(fename); |
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| 46 | if (fetype == NSFB_SURFACE_NONE) { |
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| 47 | fprintf(stderr, "Unable to convert \"%s\" to nsfb surface type\n", fename); |
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| 48 | return 1; |
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| 49 | } |
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| 50 | |||
| 51 | nsfb = nsfb_new(fetype); |
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| 52 | if (nsfb == NULL) { |
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| 53 | fprintf(stderr, "Unable to allocate \"%s\" nsfb surface\n", fename); |
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| 54 | return 2; |
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| 55 | } |
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| 56 | |||
| 57 | if (nsfb_init(nsfb) == -1) { |
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| 58 | fprintf(stderr, "Unable to initialise nsfb surface\n"); |
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| 59 | nsfb_free(nsfb); |
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| 60 | return 4; |
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| 61 | } |
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| 62 | |||
| 63 | /* get the geometry of the whole screen */ |
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| 64 | box.x0 = box.y0 = 0; |
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| 65 | nsfb_get_geometry(nsfb, &box.x1, &box.y1, NULL); |
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| 66 | |||
| 67 | nsfb_get_buffer(nsfb, &fbptr, &fbstride); |
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| 68 | |||
| 69 | /* claim the whole screen for update */ |
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| 70 | nsfb_claim(nsfb, &box); |
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| 71 | |||
| 72 | nsfb_plot_clg(nsfb, 0xffffffff); |
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| 73 | |||
| 74 | radius = (box.x1 / 3); |
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| 75 | |||
| 76 | for (sides = 13; sides >=3; sides--) { |
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| 77 | points = malloc(sizeof(nsfb_point_t) * sides); |
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| 78 | |||
| 79 | for (loop = 0; loop < sides;loop++) { |
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| 80 | points[loop].x = (box.x1 / 2) + |
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| 81 | (radius * cos(loop * 2 * M_PI / sides)); |
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| 82 | points[loop].y = (box.y1 / 2) + |
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| 83 | (radius * sin(loop * 2 * M_PI / sides)); |
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| 84 | } |
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| 85 | |||
| 86 | nsfb_plot_polygon(nsfb, (const int *)points, sides, |
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| 87 | 0xff000000 | (0xffffff / (sides * 2))); |
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| 88 | |||
| 89 | free(points); |
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| 90 | radius -= 25; |
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| 91 | } |
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| 92 | |||
| 93 | nsfb_update(nsfb, &box); |
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| 94 | |||
| 95 | /* wait for quit event or timeout */ |
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| 96 | while (waitloop > 0) { |
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| 97 | if (nsfb_event(nsfb, &event, 1000) == false) { |
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| 98 | break; |
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| 99 | } |
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| 100 | if (event.type == NSFB_EVENT_CONTROL) { |
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| 101 | if (event.value.controlcode == NSFB_CONTROL_TIMEOUT) { |
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| 102 | /* timeout */ |
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| 103 | waitloop--; |
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| 104 | } else if (event.value.controlcode == NSFB_CONTROL_QUIT) { |
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| 105 | break; |
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| 106 | } |
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| 107 | } |
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| 108 | } |
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| 109 | |||
| 110 | nsfb_free(nsfb); |
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| 111 | |||
| 112 | return 0; |
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| 113 | } |
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| 114 | |||
| 115 | /* |
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| 116 | * Local variables: |
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| 117 | * c-basic-offset: 4 |
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| 118 | * tab-width: 8 |
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| 119 | * End: |
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| 120 | */ |