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/* libnsfb ploygon plotter test program */
#ifndef _POSIX_C_SOURCE
#define _POSIX_C_SOURCE 199506L
#endif
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <math.h>
#include "libnsfb.h"
#include "libnsfb_plot.h"
#include "libnsfb_event.h"
#include <time.h>
// Sleep milliseconds
static void sleepMilli(long ms)
{
const struct timespec ts = {ms / 1000, ms % 1000 * 1000000};
nanosleep(&ts, NULL);
}
#define UNUSED(x) ((x) = (x))
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;
int sides;
int radius;
nsfb_point_t *points;
int loop;
int counter;
int colour;
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);
radius = (box.x1 / 3);
sides = 5;
counter = 0;
for (counter = 0; counter < 20; counter++) {
/* claim the whole screen for update */
nsfb_claim(nsfb, &box);
nsfb_plot_clg(nsfb, 0xffffffff);
points = malloc(sizeof(nsfb_point_t) * sides);
for (loop = 0; loop < sides;loop++) {
points[(2 * loop) % sides].x = (box.x1 / 2) +
(radius * cos(loop * 2 * M_PI / sides));
points[(2 * loop) % sides].y = (box.y1 / 2) +
(radius * sin(loop * 2 * M_PI / sides));
}
if (counter % 3 == 0)
colour = 0xffff0000;
else if (counter % 3 == 1)
colour = 0xff00ff00;
else
colour = 0xff0000ff;
nsfb_plot_polygon(nsfb, (const int *)points, sides, colour);
free(points);
sides += 2;
nsfb_update(nsfb, &box);
if (fetype != NSFB_SURFACE_RAM) {
sleepMilli(400);
}
}
/* 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:
*/
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