Php code for generating text png Images

Copy codeThe Code is as follows:
<?
/*
Php generates a text png image. 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. Relative Path to the script storage directory.
Var $ msg = "undefined"; // default text.
Var $ size = 24;
Var $ rot = 0; // rotation angle.
Var $ pad = 0; // fill.
Var $ transparent = 1; // text transparency.
Var $ red = 0; // In the 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 text 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 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 a picture.
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; // The text to be displayed
If (isset ($ font) $ text-> font = $ font; // 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 ();
?>