# NNS_G2dTextCanvasGetTextHeight

## Syntax

      #include <nnsys/g2d/g2d_TextCanvas.h>

      int NNS_G2dTextCanvasGetTextHeight(
      	const NNSG2dTextCanvas* pTxn,
      	const NNSG2dChar* txt
      );

## Arguments

pTxn | [IN] Pointer to TextCanvas
txt | [IN] Pointer to text string

## Return Values

Returns the height of the text string when drawn (in pixels).

## Description

Calculates the height of text string txt when drawn.

For a vertically written font, this function calculates the width of the text string.

## See Also

`NNS_G2dFontGetTextHeight, NNS_G2dTextCanvasGetStringWidth, NNS_G2dTextCanvasGetTextWidth, NNS_G2dTextCanvasGetTextRect`

## Revision History

2007/03/14 Added support for vertically written/vertically held fonts.
2005/05/25 Initial version.

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