nsfb_t *
framebuffer_initialise(const char *fename, int width, int height, int bpp)
{
enum nsfb_type_e fbtype;
enum nsfb_format_e fbfmt;
/* bpp is a proxy for the framebuffer format */
if (framebuffer_format_from_bpp(bpp, &fbfmt) == false) {
return NULL;
}
fbtype = nsfb_type_from_name(fename);
if (fbtype == NSFB_SURFACE_NONE) {
LOG("The %s surface is not available from libnsfb\n", fename);
return NULL;
}
nsfb = nsfb_new(fbtype);
if (nsfb == NULL) {
LOG("Unable to create %s fb surface\n", fename);
return NULL;
}
if (nsfb_set_geometry(nsfb, width, height, fbfmt) == -1) {
LOG("Unable to set surface geometry\n");
nsfb_free(nsfb);
return NULL;
}
nsfb_cursor_init(nsfb);
if (nsfb_init(nsfb) == -1) {
LOG("Unable to initialise nsfb surface\n");
nsfb_free(nsfb);
return NULL;
}
return nsfb;
}
void
framebuffer_finalise(void)
{
nsfb_free(nsfb);
}
nsfb_t *
framebuffer_initialise(const char *fename, int width, int height, int bpp)
{
enum nsfb_type_e fbtype;
enum nsfb_format_e fbfmt;
/* bpp is a proxy for the framebuffer format */
switch (bpp) {
case 32:
fbfmt = NSFB_FMT_XRGB8888;
break;
case 24:
fbfmt = NSFB_FMT_RGB888;
break;
case 16:
fbfmt = NSFB_FMT_RGB565;
break;
case 8:
fbfmt = NSFB_FMT_I8;
break;
case 4:
fbfmt = NSFB_FMT_I4;
break;
case 1:
fbfmt = NSFB_FMT_I1;
break;
default:
LOG(("Bad bits per pixel (%d)\n", bpp));
return NULL;
}
fbtype = nsfb_type_from_name(fename);
if (fbtype == NSFB_SURFACE_NONE) {
LOG(("The %s surface is not available from libnsfb\n", fename));
return NULL;
}
nsfb = nsfb_new(fbtype);
if (nsfb == NULL) {
LOG(("Unable to create %s fb surface\n", fename));
return NULL;
}
if (nsfb_set_geometry(nsfb, width, height, fbfmt) == -1) {
LOG(("Unable to set surface geometry\n"));
nsfb_free(nsfb);
return NULL;
}
nsfb_cursor_init(nsfb);
if (nsfb_init(nsfb) == -1) {
LOG(("Unable to initialise nsfb surface\n"));
nsfb_free(nsfb);
return NULL;
}
return nsfb;
}
int main(int argc, char **argv)
{
const char *fename;
enum nsfb_type_e fetype;
nsfb_t *nsfb;
nsfb_bbox_t box;
nsfb_bbox_t box3;
uint8_t *fbptr;
int fbstride;
int i;
unsigned int x, y;
if (argc < 2) {
fename="sdl";
} else {
fename = argv[1];
}
fetype = nsfb_type_from_name(fename);
if (fetype == NSFB_SURFACE_NONE) {
printf("Unable to convert \"%s\" to nsfb surface type\n",
fename);
return EXIT_FAILURE;
}
nsfb = nsfb_new(fetype);
if (nsfb == NULL) {
printf("Unable to allocate \"%s\" nsfb surface\n", fename);
return EXIT_FAILURE;
}
if (nsfb_init(nsfb) == -1) {
printf("Unable to initialise nsfb surface\n");
nsfb_free(nsfb);
return EXIT_FAILURE;
}
/* 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);
nsfb_claim(nsfb, &box);
/* Clear to white */
nsfb_plot_clg(nsfb, 0xffffffff);
nsfb_update(nsfb, &box);
/* test glyph plotting */
for (i = 0; i < 1000; i++) {
for (y = 0; y < box.y1 - Mglyph1.h; y += Mglyph1.h) {
for (x = 0; x < box.x1 - Mglyph1.w; x += Mglyph1.w) {
box3.x0 = x;
box3.y0 = y;
box3.x1 = box3.x0 + Mglyph1.w;
box3.y1 = box3.y0 + Mglyph1.h;
nsfb_plot_glyph1(nsfb, &box3, Mglyph1.data,
Mglyph1.w, 0xff000000);
}
}
nsfb_update(nsfb, &box);
}
nsfb_update(nsfb, &box);
nsfb_free(nsfb);
return 0;
}
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;
nsfb_plot_pen_t pen;
double rotate;
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);
pen.stroke_colour = 0xff000000;
pen.stroke_type = NFSB_PLOT_OPTYPE_SOLID;
for (rotate =0; rotate < (2 * M_PI); rotate += (M_PI / 8)) {
/* claim the whole screen for update */
nsfb_claim(nsfb, &box);
nsfb_plot_clg(nsfb, 0xffffffff);
radius = (box.y1 / 2);
for (sides = 18; sides >=9; sides-=2) {
points = malloc(sizeof(nsfb_point_t) * sides);
for (loop = 0; loop < sides;loop+=2) {
points[loop].x = (box.x1 / 2) +
(radius * cos((loop * 2 * M_PI / sides) + rotate));
points[loop].y = (box.y1 / 2) +
(radius * sin((loop * 2 * M_PI / sides) + rotate));
points[loop+1].x = (box.x1 / 2) +
((radius / 3) * cos(((loop+1) * 2 * M_PI / sides) + rotate));
points[loop+1].y = (box.y1 / 2) +
((radius / 3) * sin(((loop+1) * 2 * M_PI / sides) + rotate));
}
nsfb_plot_polygon(nsfb, (const int *)points, sides,
0xff000000 | (0xffffff / (sides * 2)));
nsfb_plot_polylines(nsfb, sides, points, &pen);
free(points);
radius -= 40;
}
nsfb_update(nsfb, &box);
sleepMilli(100);
}
/* 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;
}
int main(int argc, char **argv)
{
const char *fename;
enum nsfb_type_e fetype;
nsfb_t *nsfb;
nsfb_event_t event;
int waitloop = 3;
nsfb_bbox_t box;
nsfb_bbox_t box2;
nsfb_bbox_t box3;
uint8_t *fbptr;
int fbstride;
int p[] = { 300,300, 350,350, 400,300, 450,250, 400,200};
int loop;
nsfb_plot_pen_t pen;
const char *dumpfile = NULL;
if (argc < 2) {
fename="sdl";
} else {
fename = argv[1];
if (argc >= 3) {
dumpfile = argv[2];
}
}
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);
/* first test, repeatedly clear the graphics area, should result in the
* same operation as a single clear to the final colour
*/
for (loop = 0; loop < 256;loop++) {
nsfb_plot_clg(nsfb, 0xffffff00 | loop);
}
/* draw black radial lines from the origin */
pen.stroke_colour = 0xff000000;
for (loop = 0; loop < box.x1; loop += 20) {
box2 = box;
box2.x1 = loop;
nsfb_plot_line(nsfb, &box2, &pen);
}
/* draw blue radial lines from the bottom right */
pen.stroke_colour = 0xffff0000;
for (loop = 0; loop < box.x1; loop += 20) {
box2 = box;
box2.x0 = loop;
nsfb_plot_line(nsfb, &box2, &pen);
}
/* draw green radial lines from the bottom left */
pen.stroke_colour = 0xff00ff00;
for (loop = 0; loop < box.x1; loop += 20) {
box2.x0 = box.x0;
box2.x1 = loop;
box2.y0 = box.y1;
box2.y1 = box.y0;
nsfb_plot_line(nsfb, &box2, &pen);
}
/* draw red radial lines from the top right */
pen.stroke_colour = 0xff0000ff;
for (loop = 0; loop < box.x1; loop += 20) {
box2.x0 = box.x1;
box2.x1 = loop;
box2.y0 = box.y0;
box2.y1 = box.y1;
nsfb_plot_line(nsfb, &box2, &pen);
}
/* draw an unclipped rectangle */
box2.x0 = box2.y0 = 100;
box2.x1 = box2.y1 = 300;
nsfb_plot_rectangle_fill(nsfb, &box2, 0xff0000ff);
nsfb_plot_rectangle(nsfb, &box2, 1, 0xff00ff00, false, false);
nsfb_plot_polygon(nsfb, p, 5, 0xffff0000);
nsfb_plot_set_clip(nsfb, &box2);
box3.x0 = box3.y0 = 200;
box3.x1 = box3.y1 = 400;
nsfb_plot_rectangle_fill(nsfb, &box3, 0xff00ffff);
nsfb_plot_rectangle(nsfb, &box3, 1, 0xffffff00, false, false);
for (loop = 100; loop < 400;loop++) {
nsfb_plot_point(nsfb, loop, 150, 0xffaa1111);
nsfb_plot_point(nsfb, loop, 160, 0x99aa1111);
}
nsfb_plot_set_clip(nsfb, NULL);
box3.x0 = box3.y0 = 400;
box3.x1 = box3.y1 = 600;
nsfb_plot_ellipse_fill(nsfb, &box3, 0xffff0000);
nsfb_plot_ellipse(nsfb, &box3, 0xff0000ff);
box3.x0 = 500;
box3.x1 = 700;
box3.y0 = 400;
box3.y1 = 500;
nsfb_plot_ellipse_fill(nsfb, &box3, 0xffff0000);
nsfb_plot_ellipse(nsfb, &box3, 0xff0000ff);
box3.x0 = 600;
box3.x1 = 700;
box3.y0 = 300;
box3.y1 = 500;
nsfb_plot_ellipse_fill(nsfb, &box3, 0xff0000ff);
nsfb_plot_ellipse(nsfb, &box3, 0xffff0000);
box2.x0 = 400;
box2.y0 = 400;
box2.x1 = 500;
box2.y1 = 500;
box3.x0 = 600;
box3.y0 = 200;
box3.x1 = 700;
box3.y1 = 300;
nsfb_plot_copy(nsfb, &box2, nsfb, &box3);
/* test glyph plotting */
for (loop = 100; loop < 200; loop+= Mglyph1.w) {
box3.x0 = loop;
box3.y0 = 20;
box3.x1 = box3.x0 + Mglyph8.w;
box3.y1 = box3.y0 + Mglyph8.h;
nsfb_plot_glyph1(nsfb, &box3, Mglyph1.data, Mglyph1.w, 0xff000000);
}
/* test glyph plotting */
for (loop = 100; loop < 200; loop+= Mglyph8.w) {
box3.x0 = loop;
box3.y0 = 50;
box3.x1 = box3.x0 + Mglyph8.w;
box3.y1 = box3.y0 + Mglyph8.h;
nsfb_plot_glyph8(nsfb, &box3, Mglyph8.data, Mglyph8.w, 0xff000000);
}
nsfb_update(nsfb, &box);
/* random rectangles in clipped area*/
box2.x0 = 400;
box2.y0 = 50;
box2.x1 = 600;
box2.y1 = 100;
nsfb_plot_set_clip(nsfb, &box2);
srand(1234);
for (loop=0; loop < 10000; loop++) {
nsfb_claim(nsfb, &box2);
box3.x0 = rand() / (RAND_MAX / box.x1);
box3.y0 = rand() / (RAND_MAX / box.y1);
box3.x1 = rand() / (RAND_MAX / 400);
box3.y1 = rand() / (RAND_MAX / 400);
nsfb_plot_rectangle_fill(nsfb, &box3, 0xff000000 | rand());
nsfb_update(nsfb, &box2);
}
/* 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;
}
}
}
dump(nsfb, dumpfile);
nsfb_free(nsfb);
return 0;
}
int main(int argc, char **argv)
{
extern nsfb_surface_rtns_t sdl_rtns;
_nsfb_register_surface(NSFB_SURFACE_SDL, &sdl_rtns, "sdl");
__menuet__debug_out("Starting bezier\n");
freopen("stderr","w",stderr);
freopen("stdout","w",stdout);
const char *fename;
enum nsfb_type_e fetype;
nsfb_t *nsfb;
nsfb_event_t event;
int waitloop = 3;
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;
if (argc < 2) {
fename="sdl";
} else {
fename = argv[1];
}
fetype = nsfb_type_from_name(fename);
if (fetype == NSFB_SURFACE_NONE) {
__menuet__debug_out("Can't convert\n");
fprintf(stderr, "Unable to convert \"%s\" to nsfb surface type\n", fename);
return 1;
}
nsfb = nsfb_new(fetype);
if (nsfb == NULL) {
__menuet__debug_out("Can't allocate\n");
fprintf(stderr, "Unable to allocate \"%s\" nsfb surface\n", fename);
return 2;
}
if (nsfb_init(nsfb) == -1) {
__menuet__debug_out("Init failed\n");
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);
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);
/* 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;
}