<?
/* We need this in order to return a picture */
header ("Content-type: image/png");
$graph_data = array(
"question" => "Are you addicted to PHP ?" ,
"yes" => 82 ,
"no" => 18
);
/* Create the images */
$im = ImageCreate(200,150) or die("could not create image !! <br>");
/* allocate the colors */
$background_color = ImageColorAllocate ($im, 200, 200, 200);
$text_color = ImageColorAllocate ($im, 233, 14, 91);
$bar_color = ImageColorAllocate ($im, 0, 0, 0);
$bar_color_fill = ImageColorAllocate ($im, 150, 150, 255);
/* draw some text .. */
ImageFill ($im,1,1,$background_color);
ImageString ($im, 3, 5, 5, $graph_data["question"], $text_color);
ImageString ($im, 2, 30, 130, "yes: ".$graph_data["yes"]."%" , $text_color);
ImageString ($im, 2, 110, 130, "no: ".$graph_data["no"]."%" , $text_color);
/* draw the bars */
ImageRectangle ($im, 30, 120 - $graph_data["yes"],50,120 ,$bar_color);
if($graph_data["yes"] > 2) { #so we won't fill the bg of the image ...
ImageFill ($im,31,119,$bar_color_fill);
}
ImageRectangle ($im, 110, 120 - $graph_data["no"],130,120 ,$bar_color);
if($graph_data["yes"] > 2) {
ImageFill ($im,111,119,$bar_color_fill);
}
/* returm image data */
ImagePng ($im);
?>
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