php imagettftext 規定寬度內自動換行_PHP教程

[php]
function draw_txt_to($card,$pos,$string)
{

$font_color = imagecolorallocate($card, $pos['color'][0],$pos['color'][1],$pos['color'][2]);
$font_file = BASEPATH.'../'.cfg('ttf');
$_string='';
$__string='';

for($i=0;$i {
$box=imagettfbbox($pos['fontsize'],0,$font_file,$_string);
$_string_length=$box[2]-$box[0];
$box=imagettfbbox($pos['fontsize'],0,$font_file,mb_substr($string,$i,1));

if( $_string_length+$box[2]-$box[0]<$pos['width'])
{
$_string.=mb_substr($string,$i,1);
}
else
{
$__string.=$_string."\n";
$_string=mb_substr($string,$i,1);
}
}
$__string.=$_string;
$box=imagettfbbox($pos['fontsize'],0,$font_file,mb_substr($__string,0,1));
imagettftext(
$card,
$pos['fontsize'],
0,
$pos['left'],
$pos['top']+($box[3]-$box[7]),
$font_color,
$font_file,
$__string);


}

function draw_txt_to($card,$pos,$string)
{

$font_color = imagecolorallocate($card, $pos['color'][0],$pos['color'][1],$pos['color'][2]);
$font_file = BASEPATH.'../'.cfg('ttf');
$_string='';
$__string='';

for($i=0;$i {
$box=imagettfbbox($pos['fontsize'],0,$font_file,$_string);
$_string_length=$box[2]-$box[0];
$box=imagettfbbox($pos['fontsize'],0,$font_file,mb_substr($string,$i,1));

if( $_string_length+$box[2]-$box[0]<$pos['width'])
{
$_string.=mb_substr($string,$i,1);
}
else
{
$__string.=$_string."\n";
$_string=mb_substr($string,$i,1);
}
}
$__string.=$_string;
$box=imagettfbbox($pos['fontsize'],0,$font_file,mb_substr($__string,0,1));
imagettftext(
$card,
$pos['fontsize'],
0,www.2cto.com
$pos['left'],
$pos['top']+($box[3]-$box[7]),
$font_color,
$font_file,
$__string);


}

作者：jiaochangyun

http://www.bkjia.com/PHPjc/478037.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/478037.htmlTechArticle[php] function draw_txt_to($card,$pos,$string) { $font_color = imagecolorallocate($card, $pos[color][0],$pos[color][1],$pos[color][2]); $font_file = BASEPATH.../.cfg(ttf); $_string...

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