[ft] help

[Sharath Jagannath]

Hi,

 

I try to extract the bitmap of a character (single). Every time I specify the same Height for the character entered but the bitmap contains different height for different

Character. I need them to be same since  I use the bitmap as lookup table in my program. Can anybody suggest the way to do it. I’m very new to freetype (using freetype2). Help required Urgently.

 

Code I use is,

            /* Initialize the free type library */

 

            error = FT_Set_Char_Size (face,        /* Handle to face object */

                                                                                      width * 64,  /* char_width in 1/64th of points  */

                                                                                      height * 64, /* char_height in 1/64th of points */

                                                                                      72,          /* horizontal device resolution    */

                                                                                      72);         /* vertical device resolution      */

 

              //FT_Set_Pixel_Sizes (face,width,height);

 

 

 

            /* Get the Glyph Index */

            /* Index is used to load the glyph image from the glyph table */

            index = FT_Get_Char_Index(face,        /* Handle to the face object */

                                                                                      char_code);  /* Character code , Using Single Character*/

 

            /* Loading the glyph image to the slot */

            error = FT_Load_Glyph (face,             /* Handle to the face object */

                                                                           index,            /* index to glyph table */

                                                                           FT_LOAD_DEFAULT); /* load flag */

            if ( error )

                        return FONT_FAILURE;

 

            slot = face->glyph;

 

 

 

            /* Convert glyph image to bitmap */

            error = FT_Render_Glyph(slot,                  /* glyph slot */

                                                                                    FT_RENDER_MODE_NORMAL); /* Rendering mode */

 

            if ( error )

                        return FONT_FAILURE;

 

 

            /* output variables */

            *bmp_width = face->glyph->bitmap.width;

            *bmp_hght = face->glyph->bitmap.rows;

            buf_size = (*bmp_width) * (*bmp_hght);

            /*“I need the Bitmap’s Height to be constant for all characters” */

            memcpy (bitmap,face->glyph->bitmap.buffer,buf_size);

           

 

            FT_Done_Face    ( face );

            FT_Done_FreeType( library );

 

 

Thanks,

Sharath

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