PHP/Graphics Image/Draw String

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Draw char with color

   <source lang="html4strict">

<html> <body>

<?php

   $img=ImageCreate(200,200);
   $bgcolor=ImageColorAllocate($img,200,200,200);
   $red=ImagecolorAllocate($img,255,0,0); 
   $green=ImagecolorAllocate($img,0,255,0); 
   $blue=ImagecolorAllocate($img,0,0,255); 
   $grey=ImagecolorAllocate($img,50,50,50); 
   $black=ImagecolorAllocate($img,0,0,0); 
                                                           
   ImageChar($img,0,20,20,"S",$red);
   ImageChar($img,1,20,40,"S",$green);
   ImageChar($img,2,20,60,"S",$blue);
   ImageChar($img,3,20,80,"S",$grey);
   ImageChar($img,4,20,100,"S",$black);
   ImageChar($img,5,20,120,"S",$red);
                                                           
   ImageCharUp($img,0, 20,160,"S",$red);
   ImageCharUp($img,1, 40,160,"S",$green);
   ImageCharUp($img,2, 60,160,"S",$blue);
   ImageCharUp($img,3, 80,160,"S",$grey);
   ImageCharUp($img,4,100,160,"S",$black);
   ImageCharUp($img,5,120,160,"S",$red);
                                                           
   /*
   RGB Red = 0..255 , Green = 0..255 , Blue = 0..255.
    */
   ImageSetPixel($img,50,50,$pixelcolor);
   ImagePNG($img,"pic.png");
   ImageDestroy($img);

?> <img src="pic.png" border=0> </body> </html>

      </source>
   
  


Drawing a Square and a string

   <source lang="html4strict">

<?php

    header ("Content-type: image/png");
  
    $im = ImageCreate (150, 150);
    $grey = ImageColorAllocate ($im, 230, 230, 230); // background color
    $black = ImageColorAllocate ($im, 0, 0, 0);
  
    ImageRectangle($im, 40, 40, 140, 140, $black);
    ImageString($im, 3, 5, 5, "Figure 18.3: Square", $black);
    ImagePng ($im);
    ImageDestroy ($im);

?>

      </source>
   
  


Draw string and fill rectangle

   <source lang="html4strict">

<?php

 header("Content-type: image/gif");
 $imgcord = imagecreate(500,500);
 
 $blue = imagecolorallocate($imgcord, 0,0,255);
 $red = imagecolorallocate($imgcord, 255,0,0);
 ImageRectangle($imgcord, 175,165, 200,225, $blue);
 ImageFill($imgcord, 0,0, $red);
 ImageString($imgcord, 3,170, 220,"www.wbex.ru", $blue);
 ImagePNG($imgcord);
 ImageDestroy($imgcord);

?>

      </source>
   
  


Paint string value with different colors and position

   <source lang="html4strict">

<html> <body> <?php

  $img=ImageCreate(300,300);
  $bgcolor=ImageColorAllocate($img,200,200,200);
  $red=ImagecolorAllocate($img,255,0,0); 
  $green=ImagecolorAllocate($img,0,255,0); 
  $blue=ImagecolorAllocate($img,0,0,255); 
  $grey=ImagecolorAllocate($img,50,50,50); 
  $black=ImagecolorAllocate($img,0,0,0); 
                                                           
                                                           
  ImageString($img,0,20,20,"www.wbex.ru",$red);
  ImageString($img,1,20,40,"www.wbex.ru",$green);
  ImageString($img,2,20,60,"www.wbex.ru",$blue);
  ImageString($img,3,20,80,"www.wbex.ru",$grey);
  ImageString($img,4,20,100,"www.wbex.ru",$black);
  ImageString($img,5,20,120,"www.wbex.ru",$red);
                                                           
  ImageStringUp($img,0,50,200,"www.wbex.ru",$red);
  ImageStringUp($img,1,100,200,"www.wbex.ru",$green);
  ImageStringUp($img,2,150,200,"www.wbex.ru",$blue);
  ImageStringUp($img,3,200,200,"www.wbex.ru",$grey);
  ImageStringUp($img,4,250,200,"www.wbex.ru",$black);
  ImageStringUp($img,5,300,200,"www.wbex.ru",$red);
                                                           
  ImageSetPixel($img,50,50,$pixelcolor);
  ImagePNG($img,"pic.png");
  ImageDestroy($img);

?> <img src="pic.png" border=0> </body> </html>

      </source>
   
  


Using a Bounding Box to Center Text

   <source lang="html4strict">

<?php

    header ("Content-type: image/png");
  
    $text = "Bounding Box!";
    $font_size = 15;
    $height = 500;
    $width = 300;
  
    $im = ImageCreate ($width, $height);
    $grey = ImageColorAllocate ($im, 230, 230, 230);
    $black = ImageColorAllocate ($im, 0, 0, 0);
  
    $text_bbox = ImageTTFBBox($font_size, 0, "ARIALBD.TTF", $text);
    $image_center = $width / 2;
    $text_x = $image_center - round(($text_bbox[4]/2));
  
    ImageTTFText($im, $font_size, 0, $text_x, 10, $black, "ARIALBD.TTF", $text);
    ImagePng ($im);
    ImageDestroy ($im);

?>

      </source>