自学教程：C++ textout_ex函数代码示例

void main(){	char radius[50];	srand(time(NULL));	allegro_init();	install_keyboard();	set_color_depth(32);	set_gfx_mode( GFX_AUTODETECT_WINDOWED, 640, 480, 0, 0);	line(screen, 320 , 0, 320, 480, makecol(255,255,0 ));    line(screen, 0 , 240, 640, 240, makecol(255,255,0 ));	circle (screen, 320,240,300, makecol(0,0,255));	circle (screen, 320,240,200, makecol(0,0,255));	circle (screen, 320,240,100, makecol(0,0,255));	textout_ex(screen, font, "Probabilistic Machine by Tuyama",50,10, makecol(255,0,0), -1);	while( !key[KEY_ESC]){		moveCircle();		raddius = sqrt((double)((x-320)*(x-320)+(y-240)*(y-240)));		textout_ex(screen, font, "radius: ", 30, 30, makecol(255,0,0), -1);		if (t%100==0)		{			rectfill(screen, 90, 25, 150, 40, makecol(0, 0, 0));			textout_ex(screen, font, itoa(raddius, radius, 10), 100, 30, makecol(255,0,0), -1);		}		t+=1;	}    }

void declare_winner(){    if(count1==5)    {          textout_ex( screen, font, "Player 1 Wins!", 280, 150, makecol( 255, 0, 0), makecol( 0, 0, 0));           rest(2000);          count1=0;          count2=0;          ball_x=320;          ball_y=240;          p1_x = 20;          p1_y = 210;          p2_x = 620;          p2_y = 210;    }    else if(count2==5)    {          textout_ex( screen, font, "Player 2 Wins!", 280, 150, makecol( 255, 0, 0), makecol( 0, 0, 0));                 rest(2000);          count1=0;          count2=0;          ball_x=320;          ball_y=240;          p1_x = 20;          p1_y = 210;          p2_x = 620;          p2_y = 210;    }}

void muestra_mensaje (const TipoMensaje msg) {	printf("Muestro el mensaje -> %s/n",msg);	textout_ex( screen, font, "                                        ",  500,550 , makecol( 255,   0, 0), makecol(0, 0, 0));	textout_ex( screen, font, msg,                                         500,550 , makecol( 255, 255, 0), makecol(0, 0, 0));}

void draw_menu(BITMAP *scrbuffer, DATAFILE *main_data, struct menuinfo menu,               int row, int col){// function paints a given menu onto the given bitmap    char count;    color_map = &trans_table;//clear(scrbuffer);    blit(main_data[TITLE_PAGE].dat, scrbuffer, 0, 0, 0, 0, SCREEN_W, SCREEN_H);//draw_trans_sprite(scrbuffer, main_data[TITLE_PAGE].dat, 0, 0);    if (menu.fontsize == 2) {        for (count = 0; count <= menu.num_of_options-1; count++)            textout_ex(scrbuffer, main_data[FONTSMALL].dat, menu.option[count], col,                       row+count*32, GREY+15, -1);        // draw a highlight/cursor        draw_sprite(scrbuffer, main_data[CURSOR].dat, col-32, row+menu.highlight*32+4);    }    else if (menu.fontsize == 1) {        for (count = 0; count <= menu.num_of_options-1; count++)            textout_ex(scrbuffer, font, menu.option[count], col, row+count*16,                       GREY+15, -1);        // draw a highlight/cursor        draw_sprite(scrbuffer, main_data[CURSOR].dat, col-32, row+menu.highlight*16);    }}

static void dialog_textout(char *string, int x, int y, int color){   textout_ex(screen,fnt_andrus_4,string,x+1, y,makecol(0,0,0),-1);   textout_ex(screen,fnt_andrus_4,string,x, y+1,makecol(0,0,0),-1);   textout_ex(screen,fnt_andrus_4,string,x+1, y+1,makecol(0,0,0),-1);   textout_ex(screen,fnt_andrus_4,string,x, y,color,-1);}

//this thread updates sprite 0void* playerdraw_thread(void* data){    //get this thread id    int my_thread_id = *((int*)data);    //thread's main loop    while(!GAMEOVER)    {        //lock the mutex to protect variables        if (pthread_mutex_lock(&threadsafe))            textout_ex(buffer,font,"ERROR: thread mutex was locked",0,0,WHITE,0);				if(SHOWHEALTH==true)		{					textprintf_ex(buffer,font,owl->x,				owl->y-20,makecol(255,0,0),-1,"%d",owl->health);		}			//call the owl draw function			owl->drawframe(buffer);        //unlock the mutex        if (pthread_mutex_unlock(&threadsafe))            textout_ex(buffer,font,"ERROR: thread mutex unlock error",0,0,WHITE,0);    }    // terminate the thread    pthread_exit(NULL);    return NULL;}

void draw_palette() {        int count = 0;     //loop counts   int count2 = 0;    //[note: as relevant names as could be bothered to make]   int count3 = 0;   int count4 = 0;   int columns = 15;   //columns,rows, needed to output all colors in default palette   int rows = 15;      int startx = 10;   //x,y position of color output on screen   int starty = 10;   int tempy = 10;      int color = 0;      //starting color to output   int pixels = 20;    //pixels^2 = size of each square      acquire_screen();      for(count4 = 0; count4 <= rows; count4++){   //deals with each row of palette output      for(count = 0; count <= columns; count++) {    //deals with each column of pallete output         starty = tempy;         for(count3 = 0; count3 <= pixels; count3++) {           //outputs pixels for each sqr row                           for (count2 = 0; count2 <= pixels; count2++) {        //for pixels per sample (square)                           if (color < 256) {                  putpixel(screen, startx+count2, starty, color);               }            }                  starty++;            }               starty = tempy;    //resets starty to correct row value         color++;           //increments current palette color         startx+=pixels;    //increments column, plus relevant no. pixels      }         startx = 10;     //resets column start to ten pixels from left      tempy+=pixels;   //increments row, plus relevant no. pixels     }         /*Prints the relevant palette name below main output on screen.*/   if (p==0) {      textout_ex(screen, font, "desktop palette", 10, 340, 8, -1);      textout_ex(screen, font, "default palette", 10, 340, 13, -1);   } else {       if (p==1) {         textout_ex(screen, font, "default palette", 10, 340, 8, -1);         textout_ex(screen, font, "desktop palette", 10, 340, 3, -1);      }   }        release_screen();  }

void showWin(){    if(x<=5)        textout_ex( screen, font, "Player 2 Wins!", 160, 120, makecol( 255, 0, 0), makecol( 0, 255, 0));    if(x>=385)        textout_ex( screen, font, "Player 1 Wins!", 160, 120, makecol( 255, 0, 0), makecol( 0, 255, 0));    dir = rand() % 4 + 1;}

/* draw everything */void render(BITMAP *bmp){   char buf[80];   MATRIX_f roller, camera;   int x, y, w, h;   float xfront, yfront, zfront;   float xup, yup, zup;   /* clear the background */   clear(bmp);   set_projection_viewport(0, 0, SCREEN_W, SCREEN_H);   /* calculate the in-front vector */   xfront = sin(heading) * cos(pitch);   yfront = sin(pitch);   zfront = cos(heading) * cos(pitch);   /* rotate the up vector around the in-front vector by the roll angle */   get_vector_rotation_matrix_f(&roller, xfront, yfront, zfront, roll*128.0/M_PI);   apply_matrix_f(&roller, 0, -1, 0, &xup, &yup, &zup);   /* build the camera matrix */   get_camera_matrix_f(&camera,		       xpos, ypos, zpos,        /* camera position */		       xfront, yfront, zfront,  /* in-front vector */		       xup, yup, zup,           /* up vector */		       fov,                     /* field of view */		       aspect);                 /* aspect ratio */   /* draw the grid of squares */   for (x=0; x<GRID_SIZE; x++)      for (y=0; y<GRID_SIZE; y++)	 draw_square(bmp, &camera, x * TILE_SIZE, y * TILE_SIZE);   /* overlay some text */   set_clip_rect(bmp, 0, 0, bmp->w, bmp->h);   sprintf(buf, "Field of view: %d (f/F changes)", fov);   textout_ex(bmp, font, buf, 0, 16, 255, -1);   sprintf(buf, "Aspect ratio: %.2f (a/A changes)", aspect);   textout_ex(bmp, font, buf, 0, 24, 255, -1);   sprintf(buf, "X position: %.2f (x/X changes)", xpos);   textout_ex(bmp, font, buf, 0, 32, 255, -1);   sprintf(buf, "Y position: %.2f (y/Y changes)", ypos);   textout_ex(bmp, font, buf, 0, 40, 255, -1);   sprintf(buf, "Z position: %.2f (z/Z changes)", zpos);   textout_ex(bmp, font, buf, 0, 48, 255, -1);   sprintf(buf, "Heading: %.2f deg (left/right changes)", DEG(heading));   textout_ex(bmp, font, buf, 0, 56, 255, -1);   sprintf(buf, "Pitch: %.2f deg (pgup/pgdn changes)", DEG(pitch));   textout_ex(bmp, font, buf, 0, 64, 255, -1);   sprintf(buf, "Roll: %.2f deg (r/R changes)", DEG(roll));   textout_ex(bmp, font, buf, 0, 72, 255, -1);   sprintf(buf, "Front vector: %.2f, %.2f, %.2f", xfront, yfront, zfront);   textout_ex(bmp, font, buf, 0, 80, 255, -1);   sprintf(buf, "Up vector: %.2f, %.2f, %.2f", xup, yup, zup);   textout_ex(bmp, font, buf, 0, 88, 255, -1);}

void Editor::draw(){  // Background  rectfill(buffer, 0, 0, SCREEN_W, SCREEN_H, makecol(255,255,255));  if( saving){    //Create gui    textprintf_centre_ex(buffer,font,640,310, makecol(0,0,0),-1,"Save Map Name");    //Input rectangle    rectfill(buffer, 400, 408, 892, 452, makecol(0,0,0));    rectfill(buffer, 402, 410, 890, 450, makecol(255,255,255));    // Output the string to the screen    textout_ex(buffer, font, edittext.c_str(), 410, 410, makecol(0,0,0), -1);    // Draw the caret    vline(buffer, text_length(font, edittext.c_str()) + 410 - text_length(font, ".txt") , 412, 448, makecol(0,0,0));  }  else if( opening){    //Create gui    textprintf_centre_ex(buffer,font,640,310, makecol(0,0,0),-1,"Open Map Name");    //Input rectangle    rectfill(buffer, 400, 408, 892, 452, makecol(0,0,0));    rectfill(buffer, 402, 410, 890, 450, makecol(255,255,255));    // Output the string to the screen    textout_ex(buffer, font, edittext.c_str(), 410, 410, makecol(0,0,0), -1);    // Draw the caret    vline(buffer, text_length(font, edittext.c_str()) + 410 - text_length(font, ".txt") , 412, 448, makecol(0,0,0));  }  else{    // Draw tiles    tile_map -> draw_map( buffer);    exampleTile -> draw_tile( buffer, 0, 0, 0);    // Map info    textprintf_ex(buffer,font,0,80,makecol(255,255,255),makecol(0,0,0),"height-%i width-%i", tile_map -> height, tile_map -> width);    if(layer == 1){      textprintf_ex(buffer,font,0,130,makecol(255,255,255),makecol(0,0,0),"Editing Mode: Foreground");    }    else if(layer == 0){      textprintf_ex(buffer,font,0,130,makecol(255,255,255),makecol(0,0,0),"Editing Mode: Background");    }    // Cursor    circlefill(buffer, mouse_x , mouse_y , 10, makecol(0,0,0));    circlefill(buffer, mouse_x , mouse_y, 8, makecol(255,255,255));  }  // Draw buffer  stretch_sprite( screen, buffer, 0, 0, SCREEN_W, SCREEN_H);}

void checkWin(){    if ( ball_x < p1_x){        textout_ex( screen, font, "Player 2 Wins!", 320, 240, makecol( 255, 0, 0), makecol( 0, 0, 0));         startNew();    } else if ( ball_x > p2_x){        textout_ex( screen, font, "Player 1 Wins!", 320, 240, makecol( 255, 0, 0), makecol( 0, 0, 0));         startNew();    }       }    

void init_screen_map(screen_t* my_screen){	my_screen->map.x = 0;	my_screen->map.y = 0;	my_screen->map.w = MAP_W;	my_screen->map.h = MAP_H;	my_screen->map.background = create_bitmap(my_screen->map.w, my_screen->map.h);	clear_to_color(my_screen->map.background, makecol(0,0,0));	textout_centre_ex(my_screen->map.background, font, "--- CAR RACE ----", 400, 200, makecol(204, 0 , 0), makecol(255, 255, 0));	textout_centre_ex(my_screen->map.background, font, "select your map and go!", 400, 208, makecol(204, 0 , 0), makecol(255, 255, 0));	textout_ex(my_screen->map.background, font, "City Map", 336, 250, makecol(255, 255, 255), makecol(204, 0 , 0));	textout_ex(my_screen->map.background, font, "Race Truck", 336, 258, makecol(255, 255, 255), -1);}

void draw_text(BITMAP *bmp, int x, int y, int color, const char *format, ...){  char buf[512];  va_list ap;  va_start(ap, format);  uvszprintf(buf, sizeof(buf), format, ap);  va_end(ap);  textout_ex(bmp, gamefont, buf, x, y+1, blend_color(color, makecol(0, 0, 0), 0.5), -1);  textout_ex(bmp, gamefont, buf, x, y, color, -1);}

/* draw the identifier of the task activated */void draw_activation (int numTActive, int idT, int prio, bool verbose){	char str_prio[3];	char str_id[3];	int x;	snprintf(str_id,3, "T%d", idT+1);	snprintf(str_prio,3, "%d", prio);	x = XMIN + ( (strlen("ACTIVATION  SEQUENCE = ") + 1) * PIXEL_CHAR ) + ( 3 * numTActive ) * PIXEL_CHAR;	pthread_mutex_lock(&mxa);	textout_ex(screen, font, str_id, x, BASE1 + 10, FGC, 0);	if (verbose) textout_ex(screen, font, str_prio, x, BASE1 + 20, FGC, 0);	pthread_mutex_unlock(&mxa);}

void announceWinner() {	//announces the winner	if( turn == 1){		textout_ex( screen, font, "X Wins!!!!", 300, 240, makecol( 255, 0, 0), makecol( 0, 0, 0));	}else {		textout_ex( screen, font, "Y Wins!!!!", 300, 240, makecol( 255, 0, 0), makecol( 0, 0, 0));}void checkWin(){	//checks for a winner }void drawXO(){	//draws in the X and O}void moveBox(){	//takes input}int main(){	//now we actually build it	allegro_init();	install_keyboard();	set_color_depth(16);	set_gfx_mode(GFX_AUTODETECT, 640, 480, 0, 0);	xSprite = load_bitmap("x.bmp", NULL);	oSprite = load_bitmap("o.bmp", NULL);	setupBoard();	while(!key[KEY_ESC]){		moveBox();	}	destroy_bitmap(xSprite);	destroy_bitmap(oSprite);	return 0;}

// @TODO rename to draw_allegro?void c_wallet::draw (BITMAP *frame, int color, t_pos x, t_pos y) const {	for (const auto &currency: m_currency) {		std::string text(currency.first + " " + std::to_string(currency.second));        textout_ex(frame, font, text.c_str(), x, y, color, 255);		y -= 10;	}}

void c_osi2_switch::draw_packet(c_drawtarget &drawtarget, c_layer &layer_any) {    double draw_step = 1./static_cast<double>(g_max_anim_frame);    const auto & gui = * drawtarget.m_gui;    auto layer = dynamic_cast<c_layer_allegro &>(layer_any);    BITMAP *frame = layer.m_frame;    c_osi2_switch &tmp_osi2_switch = m_world.find_object_by_uuid_as_switch(m_draw_outbox.front().first);    const int this_vx = gui.view_x(m_x), this_vy = gui.view_y(m_y);    const int next_vx = gui.view_x(tmp_osi2_switch.m_x), next_vy = gui.view_y(tmp_osi2_switch.m_y);    t_geo_point A(this_vx,this_vy);    t_geo_point B(next_vx,next_vy);    t_geo_point between = c_geometry::point_on_line_between_part(A,B,m_draw_outbox.front().second);    //_dbg1("DEBUG<<<<: " << between.x << "  " << between.y);    //_dbg1("Layer_allegro nr: " << layer.m_layer_nr);    draw_trans_sprite(frame, c_bitmaps::get_instance().m_package_green,                      between.x - c_bitmaps::get_instance().m_package_green->w / 2,                      between.y - c_bitmaps::get_instance().m_package_green->h / 2);    std::string send_percent = std::to_string(static_cast<int>(100*m_draw_outbox.front().second)) + "%";    textout_ex(frame, font, send_percent.c_str(), between.x+15, between.y, makecol(0,15,25), -1);    if(m_draw_outbox.front().second < 1.       && !m_world.get_is_pause()) {        m_draw_outbox.front().second += draw_step;    } else {        m_draw_outbox.pop();    }}

Imagen::Imagen(Fuente *fuente, string texto, int r, int g, int b){    if ( !fuente )    {        bitmap = NULL ;        throw Error::ExcepcionParametro("Graficos::Imagen::Imagen(Fuente *, string)", 1);    }        // Creamos el bitmap con el tama
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