<?
/*
php Generate text png Picture, you can call the function as follows :
http://www.yourdomian.com/text_png.php3?msg=helloworld+class&rot=15&size=48&font=fonts/ARIAL.TTF
*/
Header("Content-type: image/png");
class textPNG {
var $font = 'fonts/TIMES.TTF'; //Default font. The path to the directory relative to the script.
var $msg = "undefined"; //Default text.
var $size = 24;
var $rot = 0; //Rotate the Angle.
var $pad = 0; //Filled in.
var $transparent = 1; //Text transparency.
var $red = 0; //On a black background...
var $grn = 0;
var $blu = 0;
var $bg_red = 255; //Set the text to white.
var $bg_grn = 255;
var $bg_blu = 255;
function draw() {
$width = 0;
$height = 0;
$offset_x = 0;
$offset_y = 0;
$bounds = array();
$image = "";
//Determine the height of the text.
$bounds = ImageTTFBBox($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 the border height.
$bounds = ImageTTFBBox($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);
//Draw pictures.
ImageTTFText($image, $this->size, $this->rot, $offset_x+$this->pad, $offset_y+$this->pad, $foreground, $this->font, $this->msg);
//The output is in PNG format.
imagePNG($image);
}
}
$text = new textPNG;
if (isset($msg)) $text->msg = $msg; //Text that needs to be displayed
if (isset($font)) $text->font = $font; //The font
if (isset($size)) $text->size = $size; //Text size
if (isset($rot)) $text->rot = $rot; //Rotation Angle
if (isset($pad)) $text->pad = $pad; // padding
if (isset($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 (Boolean).
$text->draw();
?>