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; }