SitePoint Sponsor

User Tag List

Results 1 to 2 of 2
  1. #1
    SitePoint Zealot CDitty's Avatar
    Join Date
    Feb 2000
    Location
    Memphis Tn
    Posts
    162
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)

    Using TTF within an image

    Can someone please show me how to change the display font to a TTF in this code? I looked at the online manual under imageloadfont(), but I did not understand it enough. I have the MS TTFs installed on my server and they are working correctly.

    Thanks

    Chris

    PHP Code:
     <?php
    header 
    ("Content-type: image/png");
    $string "Text message goes here";
    $font   "2";
    $width  ImageFontWidth($font) * strlen($string);
    $height ImageFontHeight($font);

    $im = @imagecreate ($width,$height);
    $background_color imagecolorallocate ($im255255255); //white background
    $text_color imagecolorallocate ($im00,0);//black text
    imagestring ($im$font00,  $string$text_color);
    imagepng ($im);
    ?>

  2. #2
    SitePoint Guru Richi's Avatar
    Join Date
    Jul 2001
    Location
    Hu,Bp.
    Posts
    842
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    try this class :
    PHP Code:
    <?
    /*
    To draw the PNG - call this script with a URL like the following:
    [url=http://www.yoursite.com/text_png.php3?msg=testing+class&rot=15&size=48&font=fonts/ARIAL.TTF]http://www.yoursite.com/text_png.php3?msg=testing+class&rot=15&size=48&font=fonts/ARIAL.TTF[/url]
    */
    Header("Content-type: image/png");
    class textPNG {
     var $font = 'mecha.ttf'; //default font. directory relative to script directory.
     var $msg = "undefined"; // default text to display.
     var $size = 24;
     var $rot = 0; // rotation in degrees.
     var $pad = 0; // padding.
     var $transparent = 1; // transparency set to on.
     var $red = 0; // white text...
     var $grn = 0;
     var $blu = 0;
     var $bg_red = 255; // on black background.
     var $bg_grn = 255;
     var $bg_blu = 255;
     var $px = 0;
     var $py = 0;

    function draw() {
     $width = 0;
     $height = 0;
     $offset_x = 0;
     $offset_y = 0;
     $bounds = array();
     $image = "";
     
     // determine font height.
     $bounds = ImageTTFBBox($this->size, $this->rot, $this->font, "W");
     if ($this->rot < 0) {
      $font_height = abs($bounds[7]-$bounds[1]);  
     } else if ($this->rot > 0) {
      $font_height = abs($bounds[1]-$bounds[7]);
     } else {
      $font_height = abs($bounds[7]-$bounds[1]);
     }
     // determine bounding box.
     $bounds = ImageTTFBBox($this->size, $this->rot, $this->font, $this->msg);
     if ($this->rot < 0) {
      $width = abs($bounds[4]-$bounds[0]);
      $height = abs($bounds[3]-$bounds[7]);
      $offset_y = $font_height;
      $offset_x = 0;
      
     } else if ($this->rot > 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+($this->pad*2)+1,$height+($this->pad*2)+1);
     
     $background = ImageColorAllocate($image, $this->bg_red, $this->bg_grn, $this->bg_blu);
     $foreground = ImageColorAllocate($image, $this->red, $this->grn, $this->blu);
     
     if ($this->transparent) ImageColorTransparent($image, $background);
     ImageInterlace($image, false);
      if($this->py)
        $offset_y=$this->py+$offset_y ;
      
      if($this->px)
        $offset_x=$this->px+ $offset_x ;

     // render it.
     ImageTTFText($image, $this->size, $this->rot, $offset_x+$this->pad, $offset_y+$this->pad, $foreground, $this->font, $this->msg);
     
     // output PNG object.
     imagePNG($image);
    }
    }
    $text = new textPNG;
    if (isset($px)) $text->px = $px; // text margins
    if (isset($py)) $text->py = $py; // text margins
    if (isset($msg)) $text->msg = $msg; // text to display
    if (isset($font)) $text->font = $font; // font to use (include directory if needed).
    if (isset($size)) $text->size = $size; // size in points
    if (isset($rot)) $text->rot = $rot; // rotation
    if (isset($pad)) $text->pad = $pad; // padding in pixels around text.
    if (isset($red)) $text->red = $red; // text color
    if (isset($grn)) $text->grn = $grn; // ..
    if (isset($blu)) $text->blu = $blu; // ..
    if (isset($bg_red)) $text->bg_red = $bg_red; // background color.
    if (isset($bg_grn)) $text->bg_grn = $bg_grn; // ..
    if (isset($bg_blu)) $text->bg_blu = $bg_blu; // ..
    if (isset($tr)) $text->transparent = $tr; // transparency flag (boolean).
    $text->draw();
    ?>


Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •