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Graphics function Library: Imagettfbbox

Source: Internet
Author: User
Keywords imagettfbbox php Chinese function manual graphics function library
Tags aliyun array block function function library get graphics graphics function library
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Imagettfbbox

(PHP3, PHP4)

Image---&http://www.aliyun.com/zixun/aggregation/37954.html ">NBSP; block coordinates using typetype font to get text

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

Description:

This function calculates and returns the chunk coordinates of the TrueType text.

Text: The string to be measured.

Size: Font size.

The name of the Fontfile:truetype font file (or it can be a URL).

Angle:text will be measured in degrees of angle.

Imagettfbbox () returns an array of 8 elements representing the four vertices of the text block.

0 left Lower x coordinate 1 left lower Y coordinate 2 right lower x coordinate 3 right lower corner y coordinate 4 right corner x coordinate 5 right corner y coordinate 6 upper left corner x coordinate 7 upper left corner y coordinate

Vertices are relative to text, so regardless of angle. "Upper left corner" means to see the upper-left corner of the text in a horizontal direction.

Reference: Imagettftext ()

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