int init() { initMillis () ; initKeyboard(); pthread_t k_t; pthread_create(&k_t, NULL, &keyboard_thread, NULL); printf("init "); sprintf(pt.density, " .',-+:;=o&%%/$*W@#"); pt.C_stroke_r = 255; pt.C_stroke_g = 255; pt.C_stroke_b = 255; pt.C_color = 0; pt.C_pixel = '.'; pt.running = 1; pt.PT_paused = 0; pt.PT_keyblocked = 0; pt.PT_bitmap_width = 120; pt.PT_bitmap_height = 80; ellipseMode(CENTER); pt.cv = caca_create_canvas(0, 0); if (!pt.cv) { fprintf(stderr, "unable to initialise libcaca\n"); return 1; } pt.dp = caca_create_display_with_driver(pt.cv, "ncurses"); // x11, raw.. if (pt.dp == NULL ) { printf("Failed to create display\n"); return 1; } if (!pt.PT_USE_DITHERING) { width = caca_get_canvas_width(pt.cv) / X_SCALE; height = caca_get_canvas_height(pt.cv); } else { width = pt.PT_bitmap_width; height = pt.PT_bitmap_height; } // caca_set_display_time(pt.dp,40000); useDithering(); stroke(255); setDitherResolution(caca_get_canvas_width(pt.cv), caca_get_canvas_height(pt.cv)); background(0); printf("done "); return 0; }
/** * This function initializes libcaca vout method. */ static int Open(vlc_object_t *object) { vout_display_t *vd = (vout_display_t *)object; vout_display_sys_t *sys; if (vout_display_IsWindowed(vd)) return VLC_EGENERIC; #if !defined(__APPLE__) && !defined(_WIN32) # ifndef X_DISPLAY_MISSING if (!vlc_xlib_init(object)) return VLC_EGENERIC; # endif #endif #if defined(_WIN32) CONSOLE_SCREEN_BUFFER_INFO csbiInfo; SMALL_RECT rect; COORD coord; HANDLE hstdout; if (!AllocConsole()) { msg_Err(vd, "cannot create console"); return VLC_EGENERIC; } hstdout = CreateConsoleScreenBuffer(GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, CONSOLE_TEXTMODE_BUFFER, NULL); if (!hstdout || hstdout == INVALID_HANDLE_VALUE) { msg_Err(vd, "cannot create screen buffer"); FreeConsole(); return VLC_EGENERIC; } if (!SetConsoleActiveScreenBuffer(hstdout)) { msg_Err(vd, "cannot set active screen buffer"); FreeConsole(); return VLC_EGENERIC; } coord = GetLargestConsoleWindowSize(hstdout); msg_Dbg(vd, "SetConsoleWindowInfo: %ix%i", coord.X, coord.Y); /* Force size for now */ coord.X = 100; coord.Y = 40; if (!SetConsoleScreenBufferSize(hstdout, coord)) msg_Warn(vd, "SetConsoleScreenBufferSize %i %i", coord.X, coord.Y); /* Get the current screen buffer size and window position. */ if (GetConsoleScreenBufferInfo(hstdout, &csbiInfo)) { rect.Top = 0; rect.Left = 0; rect.Right = csbiInfo.dwMaximumWindowSize.X - 1; rect.Bottom = csbiInfo.dwMaximumWindowSize.Y - 1; if (!SetConsoleWindowInfo(hstdout, TRUE, &rect)) msg_Dbg(vd, "SetConsoleWindowInfo failed: %ix%i", rect.Right, rect.Bottom); } #endif /* Allocate structure */ vd->sys = sys = calloc(1, sizeof(*sys)); if (!sys) goto error; sys->cv = cucul_create_canvas(0, 0); if (!sys->cv) { msg_Err(vd, "cannot initialize libcucul"); goto error; } const char *driver = NULL; #ifdef __APPLE__ // Make sure we don't try to open a window. driver = "ncurses"; #endif sys->dp = caca_create_display_with_driver(sys->cv, driver); if (!sys->dp) { msg_Err(vd, "cannot initialize libcaca"); goto error; } if (vd->cfg->display.title) caca_set_display_title(sys->dp, vd->cfg->display.title); else caca_set_display_title(sys->dp, VOUT_TITLE "(Colour AsCii Art)"); /* Fix format */ video_format_t fmt = vd->fmt; if (fmt.i_chroma != VLC_CODEC_RGB32) { fmt.i_chroma = VLC_CODEC_RGB32; fmt.i_rmask = 0x00ff0000; fmt.i_gmask = 0x0000ff00; fmt.i_bmask = 0x000000ff; } /* TODO */ vout_display_info_t info = vd->info; /* Setup vout_display now that everything is fine */ vd->fmt = fmt; vd->info = info; vd->pool = Pool; vd->prepare = Prepare; vd->display = PictureDisplay; vd->control = Control; vd->manage = Manage; /* Fix initial state */ vout_display_SendEventFullscreen(vd, false); Refresh(vd); return VLC_SUCCESS; error: if (sys) { if (sys->pool) picture_pool_Release(sys->pool); if (sys->dither) cucul_free_dither(sys->dither); if (sys->dp) caca_free_display(sys->dp); if (sys->cv) cucul_free_canvas(sys->cv); free(sys); } #if defined(_WIN32) FreeConsole(); #endif return VLC_EGENERIC; }
/** \brief Attach a caca graphical context to a caca canvas. * * Create a graphical context using device-dependent features (ncurses for * terminals, an X11 window, a DOS command window...) that attaches to a * libcaca canvas. Everything that gets drawn in the libcaca canvas can * then be displayed by the libcaca driver. * * If no caca canvas is provided, a new one is created. Its handle can be * retrieved using caca_get_canvas() and it is automatically destroyed when * caca_free_display() is called. * * See also caca_create_display_with_driver(). * * If an error occurs, NULL is returned and \b errno is set accordingly: * - \c ENOMEM Not enough memory. * - \c ENODEV Graphical device could not be initialised. * * \param cv The caca canvas or NULL to create a canvas automatically. * \return The caca graphical context or NULL if an error occurred. */ caca_display_t * caca_create_display(caca_canvas_t *cv) { return caca_create_display_with_driver(cv, NULL); }
static VALUE display_initialize(int argc, VALUE* argv, VALUE self) { caca_display_t *display; caca_canvas_t *canvas = NULL; const char *driver = NULL; VALUE cv = Qnil; VALUE arg1, arg2; rb_scan_args(argc, argv, "02", &arg1, &arg2); if(CLASS_OF(arg1) == cCanvas) { cv = arg1; if(CLASS_OF(arg2) == cCanvas) { rb_raise(rb_eArgError, "Only one argument can be a Caca::Canvas"); } } else if(CLASS_OF(arg2) == cCanvas) { cv = arg2; } if(TYPE(arg1) == T_STRING) { driver = StringValuePtr(arg1); if(TYPE(arg2) == T_STRING) { rb_raise(rb_eArgError, "Only one argument can be a string"); } } else if(TYPE(arg2) == T_STRING) { driver = StringValuePtr(arg2); } if(cv != Qnil) canvas = DATA_PTR(cv); if(driver == NULL) { display = caca_create_display(canvas); if(display && NIL_P(cv)) { cv = canvas_create(caca_get_canvas(display)); } } else { display = caca_create_display_with_driver(canvas, driver); } if(display == NULL) { rb_raise(rb_eRuntimeError, "%s", strerror(errno)); } _SELF = display; rb_iv_set(self, "@canvas", cv); return self; }
int main(void) { caca_canvas_t *cv; caca_display_t *dp; caca_event_t ev; // Create canvas and display cv = caca_create_canvas(100,80); if(!cv) return 1; dp = caca_create_display_with_driver(cv, "ncurses"); if(!dp) return 1; caca_set_display_title(dp, "WPC 66"); caca_set_color_ansi(cv, CACA_WHITE, CACA_BLACK); // Tree stump caca_fill_box (cv, 47, 50, 6, 4, '|'); // Tree body caca_draw_thin_triangle (cv,50,10,10,50,90,50); // Pot caca_fill_triangle(cv, 35, 53, 40, 60, 40, 53, '@'); caca_fill_box(cv, 40, 53, 19, 8, '@'); caca_fill_triangle(cv, 59, 60, 64, 53, 59, 53, '@'); // Balls int balls[] = {50, 25, 35, 35, 25, 43, 58, 32, 68, 41, 50, 46}; for (int i = 0; i <= 10; i += 2) caca_draw_thin_ellipse(cv, balls[i], balls[i+1], 2, 2); // Sparkly stuff int sparks[] = {54, 20, 42, 30, 40, 45, 46, 38, 60, 43, 75, 48}; for (int i = 0; i <= 10; i += 2) { caca_put_char(cv, sparks[i], sparks[i+1], '*'); caca_put_char(cv, sparks[i]-1, sparks[i+1], '<'); caca_put_char(cv, sparks[i]+1, sparks[i+1], '>'); caca_put_char(cv, sparks[i], sparks[i+1]-1, '^'); caca_put_char(cv, sparks[i], sparks[i+1]+1, 'v'); } // Guirlandes caca_draw_thin_line(cv, 32, 44, 70, 35); caca_draw_thin_line(cv, 17, 49, 30, 46); caca_draw_thin_line(cv, 60, 47, 80, 43); caca_draw_thin_line(cv, 43, 35, 52, 33); caca_draw_thin_line(cv, 55, 28, 60, 27); caca_draw_thin_line(cv, 40, 25, 45, 24); // Star outline caca_fill_triangle(cv, 50, 16, 40, 10, 60, 10, ' '); int star_x[] = {50, 45, 40, 45, 40, 45, 50, 55, 60, 55, 60, 55, 50}; int star_y[] = { 4, 7, 7, 10, 13, 13, 16, 13, 13, 10, 7, 7, 4}; caca_draw_thin_polyline(cv, star_x, star_y, 12); // Inside of star int star[] = {50,8,50,9,50,10,50,11,50,12,49,9,48,9,51,9,52,9,49,10,51,10,49,11,48,11,51,11,52,11}; for (int i = 0; i <= 29; i += 2) caca_put_char(cv, star[i], star[i+1], '*'); // Display and wait for key press caca_refresh_display(dp); caca_get_event(dp, CACA_EVENT_KEY_PRESS, &ev, -1); caca_free_display(dp); return 0; }