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/* libnsfb plotetr test program */
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#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)
{
nsfb_t *nsfb;
nsfb_event_t event;
nsfb_bbox_t box;
uint8_t *fbptr;
int fbstride;
nsfb_plot_pen_t pen;
nsfb_plot_pathop_t path[20];
UNUSED(argc);
UNUSED(argv);
nsfb = nsfb_init(NSFB_FRONTEND_SDL);
if (nsfb == NULL) {
fprintf(stderr, "Unable to initialise nsfb with SDL frontend\n");
return 1;
}
if (nsfb_init_frontend(nsfb) == -1) {
fprintf(stderr, "Unable to initialise nsfb frontend\n");
return 2;
}
/* get the geometry of the whole screen */
box.x0 = box.y0 = 0;
nsfb_get_geometry(nsfb, &box.x1, &box.y1, NULL);
nsfb_get_framebuffer(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, 100), path, &pen);
pen.fill_type = NFSB_PLOT_OPTYPE_SOLID;
nsfb_plot_path(nsfb, fill_shape(path, 100, 300), path, &pen);
nsfb_update(nsfb, &box);
while (event.type != NSFB_EVENT_CONTROL)
nsfb_event(nsfb, &event, -1);
return 0;
}
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