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imagesx> <imagestring
[edit] Last updated: Fri, 25 May 2012

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imagestringup

(PHP 4, PHP 5)

imagestringup垂直地画一行字符串

说明

bool imagestringup ( resource $image , int $font , int $x , int $y , string $s , int $col )

imagestring()col 颜色将字符串 s 垂直地画到 image 所代表的图像的 x, y 座标处(图像的左上角为 0, 0)。如果 font 是 1,2,3,4 或 5,则使用内置字体。

参见 imageloadfont()



add a note add a note User Contributed Notes imagestringup
13-Dec-2002 05:19
function imagestringdown(&$image, $font, $x, $y, $s, $col)
{
    $width = imagesx($image);
   $height = imagesy($image);
   
    $text_image = imagecreate($width, $height);

   $white = imagecolorallocate ($text_image, 255, 255, 255);
   $black = imagecolorallocate ($text_image, 0, 0, 0); 

    $transparent_colour = $white;
   if ($col == $white)
      $transparent_color = $black;
 
   imagefill($text_image, $width, $height, $transparent_colour);
   imagecolortransparent($text_image, $transparent_colour);
 
   imagestringup($text_image, $font, ($width - $x), ($height - $y), $s, $col);
   imagerotate($text_image, 180.0, $transparent_colour);
 
   imagecopy($image, $text_image, 0, 0, 0, 0, $width, $height);
}

 
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