It is impossible to use this function with a TrueType (.ttf) fonts.You need to convert font to PostScript Type1 (.pfb) on your own (google - there are free converters too)
imagepsextendfont
(PHP 4, PHP 5)
imagepsextendfont — 扩充或精简字体
说明
imagepsextendfont
( resource
$font_index
, float $extend
) : bool
扩充或精简某字体（font_index）。如果
extend 参数的值小于一则是精简该字体。
返回值
成功时返回 TRUE， 或者在失败时返回 FALSE。
范例
Example #1 imagepsextendfont() 例子
<?php
// Load a .pfb font file
$font = imagepsloadfont('./px3l.pfb');
// Extend the font by 2.5
imagepsextendfont($font, 2.5);
// Do any operations with the font here
// Free the font from memory
imagepsfreefont($font);
?>
注释
Note: 此函数仅在 PHP 编译时指定了 --with-t1lib[=DIR] 时可用。
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User Contributed Notes 2 notes
admin at studio-gepard dot pl ¶
14 years ago
Pascal@TeamX ¶
21 years ago
Just for the less experienced PHP-Hackers, like me ;-)
header("Content-type: image/png");
$text = "hello world";
$val = 1.2;
$font = imagepsloadfont(" path to font ");
$im = imagecreate(200, 200);
$color_bg = imagecolorallocate($im, 255, 255, 255);
$color_font = imagecolorallocate($im, 0, 0, 0);
imagefill($im, 0, 0, $color_font);
imagepsextendfont($font, $val);
$bound = imagepstext($im, $text, $font, 25, $color_bg, $color_font, 10, 100, 0, 0, 0, 4);
imagepng($im);
imagedestroy($im);
