TTF_SetFontSDF3
Enable signed distance field rendering for a font.
Usage
#include "SDL3_ttf/SDL_ttf.h"
bool TTF_SetFontSDF(TTF_Font *font, bool enabled);
Header file
Defined in SDL3_ttf/SDL_ttf.h
Overview
SDF is a technique that helps fonts look sharp even when scaling and rotating, and requires special shader support for display.
This works with Blended APIs, and generates the raw signed distance values in the alpha channel of the resulting texture.
This updates any TTF_Text
objects using this font, and clears already-generated glyphs, if any, from the cache.
Function parameters
font
|
the font to set SDF support on. |
|---|---|
enabled
|
true to enable SDF, false to disable. |
Return value
Returns true on success or false on failure; call SDL_GetError() for more information.
Thread safety
This function should be called on the thread that created the font.