Podręcznik PHP
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# imagettfbbox

(PHP 3>= 3.0.1, PHP 4 )

imagettfbbox -- Give the bounding box of a text using TrueType fonts

## Description

array imagettfbbox ( int size, int angle, string fontfile, string text)

This function calculates and returns the bounding box in pixels for a TrueType text.

`text`

  The string to be measured.

`size`

  The font size in pixels.

`fontfile`

  The name of the TrueType font file. (Can also be a URL.) Depending on which version of the GD library that PHP is using, it may attempt to search for files that do not begin with a leading '/' by appending '.ttf' to the filename and searching along a library-defined font path.

`angle`

  Angle in degrees in which `text` will be measured.

imagettfbbox() returns an array with 8 elements representing four points making the bounding box of the text:

0 | lower left corner, X position
1 | lower left corner, Y position
2 | lower right corner, X position
3 | lower right corner, Y position
4 | upper right corner, X position
5 | upper right corner, Y position
6 | upper left corner, X position
7 | upper left corner, Y position

The points are relative to the text regardless of the angle, so "upper left" means in the top left-hand corner seeing the text horizontally.

This function requires both the GD library and the FreeType library.

See also imagettftext().

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imagetruecolortopalette | Początek rozdziału | imagettftext