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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)
{
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);
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);
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:
*/
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