1. #include<stdio.h>
    2. #include <ft2build.h>
    3. #include FT_FREETYPE_H
    5. #define CHARSIZE 32 // 字符位图的大小设为32 * 32
    7. int GetCharBitmap(int iCharSize, unsigned int uiCharCode);
    9. int main()
    10. {
    11.     //wchar_t ch = 'b'; //英文字符
    12.     wchar_t ch = L'总'; //中文字符
    13.     //wchar_t ch = '你';
    14.     /* 中文字符必须要加L，不然得不到字符索引FT_Get_Char_Index()返回0
    15.      * FreeType默认为unicode的字符表
    16.      * L将ANSI字符串转换成unicode的字符串
    17.      *
    18.      */
    20.     GetCharBitmap(CHARSIZE, ch);
    22.     return 0;
    23. }
    25. int GetCharBitmap(int iCharSize, unsigned int uiCharCode)
    26. {
    27.     // - 初始化FreeType对象
    28.     FT_Library ftLibrary;
    29.     FT_Error ftError = FT_Init_FreeType(&ftLibrary);
    31.     if(ftError)
    32.     {
    33.         printf("Init freetype library fail!/n");
    34.         return -1;
    35.     }
    37.     // - 从字体文件中装载一个Face
    38.     FT_Face ftFace;
    39.     ftError = FT_New_Face(ftLibrary,
    40.                           "C:\\WINDOWS\\Fonts\\simhei.ttf", //黑体中文字库
    41.                           0,
    42.                           &ftFace);
    44.     if(ftError == FT_Err_Unknown_File_Format)
    45.     {
    46.         // 表示可以打开和读此文件，但不支持此字体格式
    47.         printf("Error! Could not support this format!/n");
    48.         return -1;
    50.     }
    51.     else if(ftError) // 其他错误
    52.     {
    53.         printf("Error! Could not open file ukai.ttc!/n");
    54.         return -1;
    55.     }
    57.     // - 设置
    58.     ftError = FT_Set_Pixel_Sizes(ftFace, iCharSize, 0);
    60.     if(ftError)
    61.     {
    62.         printf("Set pixel sizes to %d*%d error!/n", iCharSize, iCharSize);
    63.         return -1;
    64.     }
    66.     // - 得到字符码的字形索引
    67.     FT_UInt uiGlyphIndex = FT_Get_Char_Index(ftFace, uiCharCode);
    69.     if(uiGlyphIndex<=0)
    70.     {
    71.         printf("未找到该字符的索引");
    72.         return -1;
    73.     }
    75.     FT_Load_Glyph(ftFace, uiGlyphIndex, FT_LOAD_DEFAULT);
    77.     // - 生成位图
    78.     if(ftFace->glyph->format != FT_GLYPH_FORMAT_BITMAP)
    79.     {
    80.         FT_Render_Glyph(ftFace->glyph, FT_RENDER_MODE_MONO);
    81.     }
    83.     int iRow = 0, iCol = 0;
    85.     for(iRow = 0; iRow < ftFace->glyph->bitmap.rows; iRow++)
    86.     {
    87.         for(iCol = 0; iCol < ftFace->glyph->bitmap.width; iCol++)
    88.         {
    89.             if((ftFace->glyph->bitmap.buffer[iRow * ftFace->glyph->bitmap.pitch + iCol / 8] & (0xC0 >> (iCol % 8))) == 0)
    90.             {
    91.                 printf("1");
    92.             }
    93.             else
    94.             {
    95.                 printf("0");
    96.             }
    97.         }
    99.         printf("\n");
    100.     }
    102.     return 0;
    104. }