[HarfBuzz] Getting character bitmap

[Sagar Acharya]

Thanks a lot for the quick help.

I decided to go ahead with Freetype for C.

Since I'm new to C, I don't quite know how to connect function Char_Index output to FT_Bitmap. I'm new to reading such C documentation.

//===================================================================#include <ft2build.h>
#include FT_FREETYPE_H

void main()
{
FT_Library library;
FT_Face face;
FT_Error error;
FT_UInt glyph_index;
FT_Bitmap bmp;

int width=200;
int height=200;

error = FT_Init_FreeType(&library);
error = FT_New_Face(library, "/path/to/ttf", 0, &face);
error = FT_Set_Char_Size(face, 0, 16*64, 200, 200);

glyph_index = FT_Get_Char_Index(face, 0x41);

error = FT_Render_Glyph(face->glyph, FT_RENDER_MODE_MONO);
printf("%d\n", error);
}
//===========================
Thanking you
Sagar Acharya



Jan 13, 2023, 19:06 by behdad at behdad.org:

> Hi Sagar,
>
> HarfBuzz does not have a rasterizer so you can't get that from HarfBuzz. You have two options:
>
>   1. Use FreeType library,
>
>   2. If you have a graphics library with a rasterizer capable of handling the moveTo/lineTo/curveTo model, you can use the hb-draw API to draw to it.
>
> Hope that helps,
>
> behdad
> http://behdad.org/
>
>
> On Fri, Jan 13, 2023 at 10:06 AM Sagar Acharya <> sagaracharya at tutanota.com> > wrote:
>
>> I have ttf file of the font that I want the bitmap of. In black and white mapped to 0 and 1, I want a set of 16x16 set of all characters.
>>  
>>  How do I do it?
>>  
>>  1110001111
>>  1111101111
>>  1110001111
>>  1110101111
>>  1110001111
>>  
>>  Something like above. How do I get it from ttf?
>>  Thanking you
>>  Sagar Acharya
>>