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Akira (12.03.2006 16:39) |
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: FaStY
(12.03.2006 15:27)
| | | vcode(); ,
1) echo | print .
2) (<? ?>) .
: img.php
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FaStY (12.03.2006 15:27) |
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(12.03.2006 13:54)
| | | , :(
:
function vcode()
{
$img_x = 80; // , -100
$img_y = 26; // , -30
$num_n = 5; // , default-4
$font_min_size = 12; // , -12
$lines_n_max = 2; // , -2
$nois_percent = 5; // , , -3
$angle_max = 10; // , -20
$im=imagecreate($img_x, $img_y);
//
$text_color = imagecolorallocate($im, 0, 0, 0); //
$nois_color = imagecolorallocate($im, 0, 0, 0); //
$img_color = imagecolorallocate($im, 255, 255, 255); //
//
imagefill($im, 0, 0, $img_color);
// $number ,
$number='';
for ($n=0; $n<$num_n; $n++){
$num=rand(0,9);
$number.=$num;
$font_size=rand($font_min_size, $img_y/2);
$angle=rand(360-$angle_max,360+$angle_max);
$font_cur="BOD_BI.ttf";
// ,
//
$y=rand(($img_y-$font_size)/4+$font_size, ($img_y-$font_size)/2+$font_size);
$x=rand(($img_x/$num_n-$font_size)/2, $img_x/$num_n-$font_size)+$n*$img_x/$num_n;
imagettftext($im, $font_size, $angle, $x, $y, $text_color, $font_cur, $num);
};
// ""
$nois_n_pix=round($img_x*$img_y*$nois_percent/100);
//
for ($n=0; $n<$nois_n_pix; $n++){
$x=rand(0, $img_x);
$y=rand(0, $img_y);
imagesetpixel($im, $x, $y, $nois_color);
};
//
for ($n=0; $n<$nois_n_pix; $n++){
$x=rand(0, $img_x);
$y=rand(0, $img_y);
imagesetpixel($im, $x, $y, $img_color);
};
$lines_n=rand(0,$lines_n_max);
// ""
for ($n=0; $n<$lines_n; $n++){
$x1=rand(0, $img_x);
$y1=rand(0, $img_y);
$x2=rand(0, $img_x);
$y2=rand(0, $img_y);
imageline($im, $x1, $y1, $x2, $y2, $nois_color);
};
Header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
Header("Last-Modified: ".gmdate("D, d M Y H:i:s")."GMT");
Header("Cache-Control: no-cache, must-revalidate");
Header("Pragma: no-cache");
header("Content-type: image/png");
imagepng($im);
imagedestroy($im);
}
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, ( , , ), IE ( ) :( | |
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: FaStY
(12.03.2006 02:04)
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$font_cur=rand(0,count($font_arr)-1);
$font_cur=$font_arr[$font_cur];
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: FaStY
(12.03.2006 11:01)
| | | <img src= > | |
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:
FaStY (12.03.2006 11:01) |
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: RV
(12.03.2006 05:15)
| | | , , , :
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: FaStY
(12.03.2006 02:04)
| | | ?
$font_arr="GARABD.TTF";
......
$font_cur=$font_arr
//$font_cur=$font_arr[$font_cur];
...................
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:
FaStY (12.03.2006 02:04) |
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| | : , , , :(
:
<?php
$img_x = 80; // , -100
$img_y = 26; // , -30
$num_n = 5; // , default-4
$font_min_size = 12; // , -12
$lines_n_max = 1; // , -2
$nois_percent = 4; // , , -3
$angle_max = 18; // , -20
$font_arr=glob(dirname(__FILE__)."/fonts/*.ttf");
$im=imagecreate($img_x, $img_y);
//
$text_color = imagecolorallocate($im, 0, 0, 0); //
$nois_color = imagecolorallocate($im, 0, 0, 0); //
$img_color = imagecolorallocate($im, 255, 255, 255); //
//
imagefill($im, 0, 0, $img_color);
// $number ,
$number='';
for ($n=0; $n<$num_n; $n++){
$num=rand(0,9);
$number.=$num;
$font_size=rand($font_min_size, $img_y/2);
$angle=rand(360-$angle_max,360+$angle_max);
$font_cur=rand(0,count($font_arr)-1);
$font_cur=$font_arr[$font_cur];
// ,
//
$y=rand(($img_y-$font_size)/4+$font_size, ($img_y-$font_size)/2+$font_size);
$x=rand(($img_x/$num_n-$font_size)/2, $img_x/$num_n-$font_size)+$n*$img_x/$num_n;
imagettftext($im, $font_size, $angle, $x, $y, $text_color, $font_cur, $num);
};
// ""
$nois_n_pix=round($img_x*$img_y*$nois_percent/100);
//
for ($n=0; $n<$nois_n_pix; $n++){
$x=rand(0, $img_x);
$y=rand(0, $img_y);
imagesetpixel($im, $x, $y, $nois_color);
};
//
for ($n=0; $n<$nois_n_pix; $n++){
$x=rand(0, $img_x);
$y=rand(0, $img_y);
imagesetpixel($im, $x, $y, $img_color);
};
$lines_n=rand(0,$lines_n_max);
// ""
for ($n=0; $n<$lines_n; $n++){
$x1=rand(0, $img_x);
$y1=rand(0, $img_y);
$x2=rand(0, $img_x);
$y2=rand(0, $img_y);
imageline($im, $x1, $y1, $x2, $y2, $nois_color);
};
Header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
Header("Last-Modified: ".gmdate("D, d M Y H:i:s")."GMT");
Header("Cache-Control: no-cache, must-revalidate");
Header("Pragma: no-cache");
header("Content-type: image/png");
imagepng($im);
imagedestroy($im);
// $number ,
?>
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