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imagepsbbox

(PHP 4, PHP 5)

imagepsbboxGive the bounding box of a text rectangle using PostScript Type1 fonts

Avertizare

Această funcție a fost ELIMINATĂ în PHP 7.0.0.

Descrierea

imagepsbbox ( string $text , resource $font , int $size ) : array
imagepsbbox ( string $text , resource $font , int $size , int $space , int $tightness , float $angle ) : array

Gives the bounding box of a text rectangle using PostScript Type1 fonts.

The bounding box is calculated using information available from character metrics, and unfortunately tends to differ slightly from the results achieved by actually rasterizing the text. If the angle is 0 degrees, you can expect the text to need 1 pixel more to every direction.

Parametri

text

The text to be written.

font_index

O resursă font întoarsă de imagepsloadfont().

size

size is expressed in pixels.

space

Allows you to change the default value of a space in a font. This amount is added to the normal value and can also be negative. Expressed in character space units, where 1 unit is 1/1000th of an em-square.

tightness

tightness allows you to control the amount of white space between characters. This amount is added to the normal character width and can also be negative. Expressed in character space units, where 1 unit is 1/1000th of an em-square.

angle

angle is in degrees.

Valorile întoarse

Returns an array containing the following elements:

0 left x-coordinate
1 upper y-coordinate
2 right x-coordinate
3 lower y-coordinate

Istoricul schimbărilor

Versiune Descriere
7.0.0Susținerea pentru T1Lib a fost eliminată din PHP, de aceea și această funcție a fost eliminată.

Exemple

Example #1 imagepsbbox() usage

<?php
// Create image handle
$im imagecreatetruecolor(200200);

// Allocate colors
$black imagecolorallocate($im000);
$white imagecolorallocate($im255255255);

// Load the PostScript Font
$font imagepsloadfont('font.pfm');

// Make a bounding box for the font
$bbox imagepsbbox('Sample text is simple'$font12);

// Define our X and Y cordinates
$x = ($bbox[2] / 2) - 10;
$y = ($bbox[3] / 2) - 10;

// Write the font to the image
imagepstext($im'Sample text is simple'$font12$black$white$x$y);

// Output and free memory
header('Content-type: image/png');

imagepng($im);
imagedestroy($im);
?>

Note

Notă: Această funcție e disponibilă numai dacă PHP este compilat utilizând --with-t1lib[=DIR].

A se vedea și

  • imagepstext() - Draws a text over an image using PostScript Type1 fonts

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