Код: Выделить всё
//TextToImage_my( $text=gg('test.blabla'));
TextToImage_my( gg('test.blabla'));
//TextToImage_my( 'test.blabla');
// ==== other parameters can be used too, see the function arguments below
function TextToImage_my(
$text,
$separate_line_after_chars=40,
$font='./myfont.ttf',
$size=24,
$rotate=0,
$padding=2,
$transparent=true,
$color=array('red'=>0,'grn'=>0,'blu'=>0),
$bg_color=array('red'=>255,'grn'=>255,'blu'=>255)
){
$amount_of_lines= ceil(strlen($text)/$separate_line_after_chars);
$x=explode("\n", $text); $final='';
foreach($x as $key=>$value){
$returnes='';
do{ $first_part=mb_substr($value, 0, $separate_line_after_chars, 'utf-8');
$value= "\n".mb_substr($value, $separate_line_after_chars, null, 'utf-8');
$returnes .=$first_part;
} while( mb_strlen($value,'utf-8')>$separate_line_after_chars);
$final .= $returnes."\n";
}
$text=$final;
Header("Content-type: image/png");
$width=$height=$offset_x=$offset_y = 0;
if(!is_file($font)) { file_put_contents($font,file_get_contents('https://github.com/edx/edx-certificates/raw/master/template_data/fonts/Arial%20Unicode.ttf')); }
// get the font height.
$bounds = ImageTTFBBox($size, $rotate, $font, "W");
if ($rotate < 0) {$font_height = abs($bounds[7]-$bounds[1]); }
elseif ($rotate > 0) {$font_height = abs($bounds[1]-$bounds[7]); }
else { $font_height = abs($bounds[7]-$bounds[1]);}
// determine bounding box.
$bounds = ImageTTFBBox($size, $rotate, $font, $text);
if ($rotate < 0){ $width = abs($bounds[4]-$bounds[0]); $height = abs($bounds[3]-$bounds[7]);
$offset_y = $font_height; $offset_x = 0;
}
elseif ($rotate > 0) { $width = abs($bounds[2]-$bounds[6]); $height = abs($bounds[1]-$bounds[5]);
$offset_y = abs($bounds[7]-$bounds[5])+$font_height; $offset_x = abs($bounds[0]-$bounds[6]);
}
else{ $width = abs($bounds[4]-$bounds[6]); $height = abs($bounds[7]-$bounds[1]);
$offset_y = $font_height; $offset_x = 0;
}
$image = imagecreate($width+($padding*2)+1,$height+($padding*2)+1);
$background = ImageColorAllocate($image, $bg_color['red'], $bg_color['grn'], $bg_color['blu']);
$foreground = ImageColorAllocate($image, $color['red'], $color['grn'], $color['blu']);
if ($transparent) ImageColorTransparent($image, $background);
ImageInterlace($image, true);
// render the image
ImageTTFText($image, $size, $rotate, $offset_x+$padding, $offset_y+$padding, $foreground, $font, $text);
imagealphablending($image, true);
imagesavealpha($image, true);
// output PNG object.
imagePNG($image);
}
//======helper function==========
if(!function_exists('mb_substr_replace')){
function mb_substr_replace($string, $replacement, $start, $length = null, $encoding = "UTF-8") {
if (extension_loaded('mbstring') === true){
$string_length = (is_null($encoding) === true) ? mb_strlen($string) : mb_strlen($string, $encoding);
if ($start < 0) { $start = max(0, $string_length + $start); }
else if ($start > $string_length) {$start = $string_length; }
if ($length < 0){ $length = max(0, $string_length - $start + $length); }
else if ((is_null($length) === true) || ($length > $string_length)) { $length = $string_length; }
if (($start + $length) > $string_length){$length = $string_length - $start;}
if (is_null($encoding) === true) { return mb_substr($string, 0, $start) . $replacement . mb_substr($string, $start + $length, $string_length - $start - $length); }
return mb_substr($string, 0, $start, $encoding) . $replacement . mb_substr($string, $start + $length, $string_length - $start - $length, $encoding);
}
return (is_null($length) === true) ? substr_replace($string, $replacement, $start) : substr_replace($string, $replacement, $start, $length);
}
}
