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@@ -0,0 +1,331 @@
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+<?php
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+ namespace Juju;
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+ class Image implements JsonSerializable{
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+ private $img;
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+ private $actions = array();
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+ private $colours = array();
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+ protected $width;
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+ protected $height;
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+ protected $background;
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+ protected $type;
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+ public function __construct($width,$height,$background='white',$type='png'){
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+ $this->img = imagecreatetruecolor($width,$height);
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+ if(!$this->img){
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+ throw new Exception('Could not create image');
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+ }
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+ if(function_exists('imageantialias')){
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+ imageantialias($this->img,true);
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+ }
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+ $this->width = $width;
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+ $this->height = $height;
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+ $this->colour('black',0,0,0);
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+ $this->colour('white',255,255,255);
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+ $this->colour('red',255,0,0);
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+ $this->colour('green',0,255,0);
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+ $this->colour('blue',0,0,255);
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+ $this->background = $background;
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+ $this->type = $type;
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+ }
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+ public function __get($name){
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+ switch($name){
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+ case 'width':
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+ return $this->width;
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+ break;
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+ case 'height':
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+ return $this->height;
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+ break;
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+ case 'type':
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+ return $this->type;
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+ break;
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+ case 'background':
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+ return $this->background;
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+ break;
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+ case 'actions':
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+ return $this->actions;
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+ break;
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+ }
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+ }
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+ public function __clone(){
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+ $this->img = clone $this->img;
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+ }
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+ public function __destruct(){
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+ imagedestroy($this->img);
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+ }
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+ public function jsonSerialize(){
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+ ob_start();
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+ $this();
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+ $data = ob_get_contents();
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+ ob_end_clean();
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+ return array(
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+ 'width'=>$this->width,
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+ 'height'=>$this->height,
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+ 'type'=>$this->type,
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+ 'data'=>'data:image/'.$this->type.';base64,'.base64_encode($data)
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+ );
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+ }
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+ public function __toString(){
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+ return '[Image Object ('.$this->width.','.$this->height.')]';
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+ }
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+ public function __invoke(){
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+ $this->render();
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+ $args = array_merge(array($this->img),func_get_args());
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+ return call_user_func_array('image'.$this->type,$args);
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+ }
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+ public function render(){
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+ imagefill($this->img,0,0,$this->colour($this->background));
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+ for($k=0;$k<count($this->actions);$k++){
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+ $a = $this->actions[$k];
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+ switch($a[0]){
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+ case 'text':
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+ imagestring(
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+ $this->img,
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+ $a[5],
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+ $a[2],
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+ $a[3],
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+ $a[1],
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+ $this->color($a[4])
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+ );
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+ break;
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+ case 'vertical_text':
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+ imagestringup(
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+ $this->img,
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+ $a[5],
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+ $a[2],
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+ $a[3],
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+ $a[1],
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+ $this->color($a[4])
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+ );
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+ break;
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+ case 'line':
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+ imageline(
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+ $this->img,
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+ $a[1],$a[2],
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+ $a[3], $a[4],
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+ $this->color($a[5])
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+ );
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+ break;
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+ case 'rectangle':
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+ imagerectangle(
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+ $this->img,
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+ $a[1],$a[2],
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+ $a[3],$a[4],
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+ $this->color($a[5])
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+ );
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+ break;
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+ case 'filled_rectangle':
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+ imagefilledrectangle(
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+ $this->img,
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+ $a[1],$a[2],
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+ $a[3],$a[4],
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+ $this->color($a[5])
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+ );
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+ break;
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+ case 'polygon':
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+ imagepolygon(
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+ $this->img,
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+ $a[1],
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+ count($a[1])/2,
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+ $this->colour($a[2])
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+ );
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+ break;
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+ case 'filled_polygon':
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+ imagefilledpolygon(
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+ $this->img,
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+ $a[1],
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+ count($a[1])/2,
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+ $this->colour($a[2])
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+ );
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+ break;
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+ case 'arc':
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+ imagearc(
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+ $this->img,
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+ $a[1],$a[2],
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+ $a[3],$a[4],
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+ $a[5],$a[6],
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+ $this->colour($a[7])
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+ );
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+ break;
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+ case 'filled_arc':
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+ imagefilledarc(
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+ $this->img,
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+ $a[1],$a[2],
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+ $a[3],$a[4],
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+ $a[5],$a[6],
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+ $this->colour($a[7]),
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+ $a[8]
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+ );
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+ break;
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+ case 'ellipse':
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+ imageellipse(
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+ $this->img,
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+ $a[1],$a[2],
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+ $a[3],$a[4],
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+ $this->colour($a[5])
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+ );
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+ break;
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+ case 'filled_ellipse':
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+ imagefilledellipse(
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+ $this->img,
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+ $a[1],$a[2],
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+ $a[3],$a[4],
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+ $this->colour($a[5])
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+ );
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+ break;
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+ case 'flood_fill':
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+ imagefilltoborder(
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+ $this->img,
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+ $a[1],$a[2],
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+ $this->colour($a[3]),
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+ $this->colour($a[4])
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+ );
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+ break;
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+ case 'filter':
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+ $args = array_merge(array($this->img),$a[1]);
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+ call_user_func_array('imagefilter',$args);
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+ break;
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+ }
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+ }
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+ return $this;
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+ }
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+ public function color(){
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+ return call_user_func_array(array($this, 'colour'),func_get_args());
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+ }
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+ public function colour(){
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+ if(func_num_args() > 1){
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+ if(!isset($this->colours[func_get_arg(0)])){
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+ $this->colours[func_get_arg(0)] = imagecolorallocate($this->img,func_get_arg(1),func_get_arg(2),func_get_arg(3));
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+ }
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+ }
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+ return $this->colours[func_get_arg(0)];
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+ }
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+ public function text($text,$x,$y,$colour='white',$size=1){
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+ array_push($this->actions,array(
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+ 'text',
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+ $text,
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+ $x,$y,
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+ $colour,
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+ $size
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+ ));
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+ return $this;
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+ }
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+ public function vertical_text($text,$x,$y,$colour='white',$size=1){
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+ array_push($this->actions,array(
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+ 'vertical_text',
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+ $text,
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+ $x,$y,
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+ $colour,
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+ $size
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+ ));
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+ return $this;
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+ }
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+ public function line($x1,$y1,$x2,$y2,$colour){
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+ array_push($this->actions,array(
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+ 'line',
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+ $x1,$y1,
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+ $x2,$y2,
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+ $colour
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+ ));
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+ return $this;
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+ }
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+ public function polygon($points,$colour){
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+ array_push($this->actions,array(
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+ 'polygon',
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+ $points,
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+ $colour
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+ ));
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+ return $this;
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+ }
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+ public function filled_polygon($points,$colour){
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+ array_push($this->actions,array(
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+ 'filled_polygon',
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+ $points,
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+ $colour
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+ ));
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+ return $this;
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+ }
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+ public function rectangle($x1,$y1,$x2,$y2,$colour){
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+ array_push($this->actions,array(
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+ 'rectangle',
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+ $x1,$y1,
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+ $x2,$y2,
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+ $colour
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+ ));
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+ return $this;
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+ }
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+ public function filled_rectangle($x1,$y1,$x2,$y2,$colour){
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+ array_push($this->actions,array(
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+ 'filled_rectangle',
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+ $x1,$y1,
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+ $x2,$y2,
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+ $colour
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+ ));
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+ return $this;
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+ }
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+ public function arc($cx,$cy,$w,$h,$sa,$ea,$colour){
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+ array_push($this->actions,array(
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+ 'arc',
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+ $cx,$cy,
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+ $w,$h,
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+ $sa,$ea,
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+ $colour
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+ ));
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+ return $this;
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+ }
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+ public function filled_arc($cx,$cy,$w,$h,$sa,$ea,$colour,$style=IMG_ARC_PIE){
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+ array_push($this->actions,array(
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+ 'filled_arc',
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+ $cx,$cy,
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+ $w,$h,
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+ $sa,$ea,
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+ $colour,
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+ $style
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+ ));
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+ return $this;
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+ }
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+ public function ellipse($cx,$cy,$w,$h,$colour){
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+ array_push($this->actions,array(
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+ 'ellipse',
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+ $cx,$cy,
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+ $w,$h,
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+ $colour
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+ ));
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+ return $this;
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+ }
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+ public function circle($cx,$cy,$w,$colour){
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+ return $this->ellipse($cx,$cy,$w,$w,$colour);
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+ }
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+ public function filled_ellipse($cx,$cy,$w,$h,$colour){
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+ array_push($this->actions,array(
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+ 'filled_ellipse',
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+ $cx,$cy,
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+ $w,$h,
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+ $colour
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+ ));
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+ return $this;
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+ }
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+ public function filled_circle($cx,$cy,$w,$colour){
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+ return $this->filled_ellipse($cx,$cy,$w,$w,$colour);
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+ }
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+ public function flood_fill($x,$y,$border_colour,$colour){
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+ array_push($this->actions,array(
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+ 'flood_fill',
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+ $x,$y,
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+ $border_colour,
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+ $colour
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+ ));
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+ return $this;
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+ }
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+ public function filter(){
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+ array_push($this->actions,array(
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+ 'filter',
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+ func_get_args()
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+ ));
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+ return $this;
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+ }
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+ public function copy($dest){
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+ $this->render();
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+ imagepalettecopy($dest,$this->img);
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+ return $this;
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+ }
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+ }
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+?>
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