/* libnsfb plotetr test program */ #include #include #include #include "libnsfb.h" #include "libnsfb_plot.h" #include "libnsfb_event.h" #define UNUSED(x) ((x) = (x)) int main(int argc, char **argv) { const char *fename; enum nsfb_type_e fetype; nsfb_t *nsfb; nsfb_event_t event; int waitloop = 3; nsfb_bbox_t box; nsfb_bbox_t box2; uint8_t *fbptr; int fbstride; nsfb_point_t ctrla; nsfb_point_t ctrlb; int loop; nsfb_plot_pen_t pen; if (argc < 2) { fename="sdl"; } else { fename = argv[1]; } fetype = nsfb_type_from_name(fename); if (fetype == NSFB_SURFACE_NONE) { fprintf(stderr, "Unable to convert \"%s\" to nsfb surface type\n", fename); return 1; } nsfb = nsfb_new(fetype); if (nsfb == NULL) { fprintf(stderr, "Unable to allocate \"%s\" nsfb surface\n", fename); return 2; } if (nsfb_init(nsfb) == -1) { fprintf(stderr, "Unable to initialise nsfb surface\n"); nsfb_free(nsfb); return 4; } /* get the geometry of the whole screen */ box.x0 = box.y0 = 0; nsfb_get_geometry(nsfb, &box.x1, &box.y1, NULL); if ((box.x1 == 0) || (box.y1 == 0)) { /* if surface was created with no size set a default */ nsfb_set_geometry(nsfb, 800, 600, NSFB_FMT_ANY); nsfb_get_geometry(nsfb, &box.x1, &box.y1, NULL); } nsfb_get_buffer(nsfb, &fbptr, &fbstride); /* claim the whole screen for update */ nsfb_claim(nsfb, &box); nsfb_plot_clg(nsfb, 0xffffffff); box2.x0=100; box2.y0=100; box2.x1=400; box2.y1=400; pen.stroke_colour = 0xff000000; pen.fill_colour = 0xffff0000; pen.stroke_type = NFSB_PLOT_OPTYPE_SOLID; pen.fill_type = NFSB_PLOT_OPTYPE_NONE; for (loop=-300;loop < 600;loop+=100) { ctrla.x = 100; ctrla.y = loop; ctrlb.x = 400; ctrlb.y = 500 - loop; nsfb_plot_cubic_bezier(nsfb, &box2, &ctrla, &ctrlb, &pen); } box2.x0=400; box2.y0=100; box2.x1=600; box2.y1=400; nsfb_plot_line(nsfb, &box2, &pen); box2.x0=800; box2.y0=100; box2.x1=600; box2.y1=400; nsfb_plot_line(nsfb, &box2, &pen); box2.x0=400; box2.y0=100; box2.x1=800; box2.y1=100; ctrla.x = 600; ctrla.y = 400; pen.stroke_colour = 0xffff0000; nsfb_plot_cubic_bezier(nsfb, &box2, &ctrla, &ctrla, &pen); box2.x0=400; box2.y0=100; box2.x1=800; box2.y1=100; ctrla.x = 600; ctrla.y = 400; pen.stroke_colour = 0xff0000ff; nsfb_plot_quadratic_bezier(nsfb, &box2, &ctrla, &pen); nsfb_update(nsfb, &box); /* wait for quit event or timeout */ while (waitloop > 0) { if (nsfb_event(nsfb, &event, 1000) == false) { break; } if (event.type == NSFB_EVENT_CONTROL) { if (event.value.controlcode == NSFB_CONTROL_TIMEOUT) { /* timeout */ waitloop--; } else if (event.value.controlcode == NSFB_CONTROL_QUIT) { break; } } } nsfb_free(nsfb); return 0; } /* * Local variables: * c-basic-offset: 4 * tab-width: 8 * End: */