---
name: "TTF_GetStringSize"
section: "3"
platform: "linux"
package: "libsdl3-ttf-doc"
version: "3.2.2+ds-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/TTF_GetStringSize"
---

# TTF\_GetStringSize(3)

Calculate the dimensions of a rendered string of UTF-8 text.

## NAME

TTF\_GetStringSize - Calculate the dimensions of a rendered string of UTF-8 text.

## HEADER FILE

Defined in SDL3\_ttf/SDL\_ttf.h

## SYNOPSIS

```
#include "SDL3_ttf/SDL_ttf.h"
```

**bool TTF\_GetStringSize(TTF\_Font \*font, const char \*text, size\_t length, int \*w, int \*h);**

## DESCRIPTION

This will report the width and height, in pixels, of the space that the specified string will take to fully render.

## FUNCTION PARAMETERS

- *font*

  the font to query.

- *text*

  text to calculate, in UTF-8 encoding.

- *length*

  the length of the text, in bytes, or 0 for null terminated text.

- *w*

  will be filled with width, in pixels, on return.

- *h*

  will be filled with height, in pixels, on return.

## 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.

## AVAILABILITY

This function is available since SDL\_ttf 3.0.0.