/* example1.c                                                      *//*                                                                 *//* This small program shows how to print a rotated string with the *//* FreeType 2 library.                                             */#include 
        
         #include 
         
          #include 
          
           #include 
           
            #include FT_FREETYPE_H#pragma comment(lib, "freetype.lib")#define WIDTH   640#define HEIGHT  480/* origin is the upper left corner */unsigned char image[HEIGHT][WIDTH];/* Replace this function with something useful. */voiddraw_bitmap(FT_Bitmap*  bitmap,FT_Int      x,FT_Int      y){    FT_Int  i, j, p, q;    FT_Int  x_max = x + bitmap->width;    FT_Int  y_max = y + bitmap->rows;    for (i = x, p = 0; i < x_max; i++, p++)    {        for (j = y, q = 0; j < y_max; j++, q++)        {            if (i < 0 || j < 0 ||                i >= WIDTH || j >= HEIGHT)                continue;            image[j][i] |= bitmap->buffer[q * bitmap->width + p];        }    }}voidshow_image(void){    int  i, j;    FILE *fp;    fopen_s(&fp, "tmp.txt", "w");    for (i = 0; i < HEIGHT; i++)    {        for (j = 0; j < WIDTH; j++)            fputc(image[i][j] == 0 ? ' '            : image[i][j] < 128 ? '+'            : '*', fp);        putchar('\n');    }    fclose(fp);}intmain(int     argc,char**  argv){    FT_Library    library;    FT_Face       face;    FT_GlyphSlot  slot;    FT_Matrix     matrix;                 /* transformation matrix */    FT_Vector     pen;                    /* untransformed origin  */    FT_Error      error;    char*         filename;    char*         text;    double        angle;    int           target_height;    int           n, num_chars;/*    if (argc != 3)    {        fprintf(stderr, "usage: %s font sample-text\n", argv[0]);        exit(1);    }*/    filename = "a";// argv[1];                           /* first argument     */    text = "1";                           /* second argument    */    num_chars = strlen(text);    angle = (25.0 / 360) * 3.14159 * 2;      /* use 25 degrees     */    target_height = HEIGHT;    error = FT_Init_FreeType(&library);              /* initialize library */    /* error handling omitted */    if (error)    {        printf("is error1!");    }    error = FT_New_Face(library, "C:/airstrip.ttf", 0, &face); /* create face object */    /* error handling omitted */    if (error)    {        printf("is error2!");    }    /* use 50pt at 100dpi */    error = FT_Set_Char_Size(face, 50 * 64, 0,        100, 0);                /* set character size */    /* error handling omitted */    slot = face->glyph;    /* set up matrix */    matrix.xx = (FT_Fixed)(cos(angle) * 0x10000L);    matrix.xy = (FT_Fixed)(-sin(angle) * 0x10000L);    matrix.yx = (FT_Fixed)(sin(angle) * 0x10000L);    matrix.yy = (FT_Fixed)(cos(angle) * 0x10000L);    /* the pen position in 26.6 cartesian space coordinates; */    /* start at (300,200) relative to the upper left corner  */    pen.x = 300 * 64;    pen.y = (target_height - 200) * 64;    for (n = 0; n < num_chars; n++)    {        /* set transformation */        FT_Set_Transform(face, &matrix, &pen);        /* load glyph image into the slot (erase previous one) */        error = FT_Load_Char(face, text[n], FT_LOAD_RENDER);        if (error)            continue;                 /* ignore errors */        /* now, draw to our target surface (convert position) */        draw_bitmap(&slot->bitmap,            slot->bitmap_left,            target_height - slot->bitmap_top);        /* increment pen position */        pen.x += slot->advance.x;        pen.y += slot->advance.y;    }    show_image();    FT_Done_Face(face);    FT_Done_FreeType(library);    return 0;}/* EOF */