(This function is part of SDL_ttf, a separate library from SDL.)

TTF_OpenFontDPI

Create a font from a file, using target resolutions (in DPI).

Header File

Syntax

TTF_Font * TTF_OpenFontDPI(const char *file, int ptsize, unsigned int hdpi, unsigned int vdpi);

Function Parameters

const char *	file	path to font file.
int	ptsize	point size to use for the newly-opened font.
unsigned int	hdpi	the target horizontal DPI.
unsigned int	vdpi	the target vertical DPI.

Return Value

(TTF_Font *) Returns a valid TTF_Font, or NULL on error.

Remarks

DPI scaling only applies to scalable fonts (e.g. TrueType).

Some .fon fonts will have several sizes embedded in the file, so the point size becomes the index of choosing which size. If the value is too high, the last indexed size will be the default.

When done with the returned TTF_Font, use TTF_CloseFont() to dispose of it.

Version

This function is available since SDL_ttf 2.0.18.