static int
do_redraw(nsfb_t *nsfb, fbtk_widget_t *widget)
{
nsfb_bbox_t plot_ctx;
fbtk_widget_t *cwidget; /* child widget */
LOG(("DO REDRAW"));
//__menuet__debug_out("\n***********\nDO REDRAW\n********\n");
/* check if the widget requires redrawing */
if (widget->redraw.needed == true) {
plot_ctx.x0 = fbtk_get_absx(widget) + widget->redraw.x;
plot_ctx.y0 = fbtk_get_absy(widget) + widget->redraw.y;
plot_ctx.x1 = plot_ctx.x0 + widget->redraw.width;
plot_ctx.y1 = plot_ctx.y0 + widget->redraw.height;
LOG(("clipping %p %d,%d %d,%d",
widget, plot_ctx.x0, plot_ctx.y0,
plot_ctx.x1, plot_ctx.y1));
if (nsfb_plot_set_clip(nsfb, &plot_ctx) == true) {
LOG(("POST CALLBACK"));
//__menuet__debug_out("\n***********\nPOST CALLBACK\n********\n");
fbtk_post_callback(widget, FBTK_CBT_REDRAW);
}
widget->redraw.needed = false;
}
LOG(("DO CHILD"));
//__menuet__debug_out("\n***********\nDO CHILD\n********\n");
/* walk the widgets children if child flag is set */
if (widget->redraw.child) {
LOG(("DO CHILD 2"));
//__menuet__debug_out("\n***********\nDO CHILD 2\n********\n");
cwidget = widget->last_child;
while (cwidget != NULL) {
LOG(("DO CHILD 3 ZZZ"));
//__menuet__debug_out("\n***********\nDO CHILD 3 ZZZ\n********\n");
do_redraw(nsfb, cwidget);
cwidget = cwidget->prev;
}
LOG(("DO CHILD 4"));
//__menuet__debug_out("\n***********\nDO CHILD 4\n********\n");
widget->redraw.child = false;
}
LOG(("SUP"));
//__menuet__debug_out("\n***********\nFIN REDRAW\n********\n");
return 1;
}
static bool
framebuffer_plot_clip(const struct rect *clip)
{
nsfb_bbox_t nsfb_clip;
nsfb_clip.x0 = clip->x0;
nsfb_clip.y0 = clip->y0;
nsfb_clip.x1 = clip->x1;
nsfb_clip.y1 = clip->y1;
return nsfb_plot_set_clip(nsfb, &nsfb_clip);
}
static bool
framebuffer_plot_clip(int x0, int y0, int x1, int y1)
{
nsfb_bbox_t clip;
clip.x0 = x0;
clip.y0 = y0;
clip.x1 = x1;
clip.y1 = y1;
return nsfb_plot_set_clip(nsfb, &clip);
}
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;
}
