Query the kerning size between the glyphs of two UNICODE codepoints.
Defined in <SDL3_ttf/SDL_ttf.h>
bool TTF_GetGlyphKerning(TTF_Font *font, Uint32 previous_ch, Uint32 ch, int *kerning);| TTF_Font * | font | the font to query. | 
| Uint32 | previous_ch | the previous codepoint. | 
| Uint32 | ch | the current codepoint. | 
| int * | kerning | a pointer filled in with the kerning size between the two glyphs, in pixels, may be NULL. | 
(bool) Returns true on success or false on failure; call SDL_GetError() for more information.
This function should be called on the thread that created the font.
This function is available since SDL_ttf 3.0.0.