/* exported function documented in fbtk.h */ bool fbtk_event(fbtk_widget_t *root, nsfb_event_t *event, int timeout) { nsfb_bbox_t cloc; bool unused = false; /* is the event available */ bool move_pointer = false; /* whether pointer move events occured */ /* ensure we have the root widget */ root = fbtk_get_root_widget(root); do { if (nsfb_event(root->u.root.fb, event, timeout) == false) { if (move_pointer) fbtk_warp_pointer(root, cloc.x0, cloc.y0, false); return false; } if (move_pointer && event->type != NSFB_EVENT_MOVE_RELATIVE && event->type != NSFB_EVENT_MOVE_ABSOLUTE) { /* Flush the movements */ fbtk_warp_pointer(root, cloc.x0, cloc.y0, false); } else if (!move_pointer && event->type == NSFB_EVENT_MOVE_RELATIVE) { /* Get current pointer coords */ nsfb_cursor_loc_get(root->u.root.fb, &cloc); } switch (event->type) { case NSFB_EVENT_KEY_DOWN: case NSFB_EVENT_KEY_UP: if ((event->value.keycode >= NSFB_KEY_MOUSE_1) && (event->value.keycode <= NSFB_KEY_MOUSE_5)) { fbtk_click(root, event); } else { fbtk_input(root, event); } break; case NSFB_EVENT_CONTROL: unused = true; break; case NSFB_EVENT_MOVE_RELATIVE: /* Consecutive move events are consolidated into a * single pointer warp */ move_pointer = true; cloc.x0 += event->value.vector.x; cloc.y0 += event->value.vector.y; timeout = 0; break; case NSFB_EVENT_MOVE_ABSOLUTE: /* Consecutive move events are consolidated into a * single pointer warp */ move_pointer = true; cloc.x0 = event->value.vector.x; cloc.y0 = event->value.vector.y; timeout = 0; break; case NSFB_EVENT_RESIZE: /* Try to resize framebuffer */ gui_resize(root, event->value.resize.w, event->value.resize.h); break; default: break; } } while (event->type == NSFB_EVENT_MOVE_RELATIVE || event->type == NSFB_EVENT_MOVE_ABSOLUTE); return unused; }
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) { 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) { 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; }