/* libnsfb plotetr test program */ #include #include #include #include "libnsfb.h" #include "libnsfb_plot.h" #include "libnsfb_event.h" #define UNUSED(x) ((x) = (x)) #define PENT(op, xco, yco) path[count].operation = op; \ path[count].point.x = (xco); \ path[count].point.y = (yco); \ count++ static int fill_shape(nsfb_plot_pathop_t *path, int xoff, int yoff) { int count = 0; PENT(NFSB_PLOT_PATHOP_MOVE, xoff, yoff); PENT(NFSB_PLOT_PATHOP_LINE, xoff + 100, yoff + 100); PENT(NFSB_PLOT_PATHOP_LINE, xoff + 100, yoff ); PENT(NFSB_PLOT_PATHOP_LINE, xoff + 200, yoff + 100); PENT(NFSB_PLOT_PATHOP_MOVE, xoff + 200, yoff - 200); PENT(NFSB_PLOT_PATHOP_MOVE, xoff + 300, yoff + 300); PENT(NFSB_PLOT_PATHOP_CUBIC, xoff + 300, yoff ); PENT(NFSB_PLOT_PATHOP_LINE, xoff + 400, yoff + 100); PENT(NFSB_PLOT_PATHOP_LINE, xoff + 400, yoff ); PENT(NFSB_PLOT_PATHOP_MOVE, xoff + 500, yoff + 200); PENT(NFSB_PLOT_PATHOP_QUAD, xoff + 500, yoff ); PENT(NFSB_PLOT_PATHOP_LINE, xoff + 600, yoff + 150); PENT(NFSB_PLOT_PATHOP_LINE, xoff, yoff + 150); PENT(NFSB_PLOT_PATHOP_LINE, xoff, yoff); return count; } int main(int argc, char **argv) { const char *fename; enum nsfb_type_e fetype; nsfb_t *nsfb; int waitloop = 3; nsfb_event_t event; nsfb_bbox_t box; uint8_t *fbptr; int fbstride; nsfb_plot_pen_t pen; nsfb_plot_pathop_t path[20]; 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); nsfb_get_buffer(nsfb, &fbptr, &fbstride); /* claim the whole screen for update */ nsfb_claim(nsfb, &box); nsfb_plot_clg(nsfb, 0xffffffff); pen.stroke_colour = 0xff0000ff; pen.fill_colour = 0xffff0000; pen.stroke_type = NFSB_PLOT_OPTYPE_SOLID; pen.fill_type = NFSB_PLOT_OPTYPE_NONE; nsfb_plot_path(nsfb, fill_shape(path, 100, 50), path, &pen); pen.fill_type = NFSB_PLOT_OPTYPE_SOLID; nsfb_plot_path(nsfb, fill_shape(path, 100, 200), path, &pen); pen.stroke_type = NFSB_PLOT_OPTYPE_NONE; nsfb_plot_path(nsfb, fill_shape(path, 100, 350), path, &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: */