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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))
int main(int argc, char **argv)
{
nsfb_t *nsfb;
nsfb_event_t event;
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;
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);
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);
while (event.type != NSFB_EVENT_CONTROL)
nsfb_event(nsfb, &event, -1);
return 0;
}
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