<?php
//請先載入檔案
$main=new GDimage();
$main->create(280,80);
$main->SetBackground(array(255,255,255));
$main->SetBorder(array(255,0,0));
$main->SetColour(array(0,0,255));
$main->moveCenter();
$main->moveLeft(20);
$main->DrawCircle(40);
$main->SetColour(array(255,0,0),30);
$main->moveRight(20);

$main->moveUP(20);
$main->DrawCircle(40);

$main->SetColour(array(0,255,0),30);
$main->moveDown(20);
$main->DrawCircle(40);


$new=new GDimage();
$new->Import($main->Export());
$new->Resize('30%');
$main->moveRightTopCorner();
$main->Paste($new->Copy());
$main->moveCenter();
$main->fontSize=20;
$font_id=$main->LoadFont('./system/data/DejaVuSansCondensed.ttf'); //變更為你的字型 使用中文字時請轉換為utf-8
$main->SetColour('BRIGHT GOLD');
$main->WriteText('TEXT',$font_id);
$main->Show();
?>

    function getResizePercent($source_w, $source_h, $inside_w, $inside_h){
        if ($source_w < $inside_w && $source_h < $inside_h) {
            return 1;
        }

        $w_percent = $inside_w / $source_w;
        $h_percent = $inside_h / $source_h;

        return ($w_percent > $h_percent) ? $h_percent : $w_percent;
    }
   
    function resize($in_width, $in_height){
        
        $percent = $this->getResizePercent($this->width, $this->height, $in_width, $in_height);
        
        $new_width  = $this->width * $percent;
        $new_height = $this->height * $percent;
        
        $this->createImage($new_width, $new_height);   
    }

$main=new GDimage();
$main->create(300,300);
$main->AddColour('RED');
$main->AddColour('ORANGE');
$main->AddColour('YELLOW');
$main->AddColour('GREEN');
$main->AddColour('BLUE');
$main->AddColour(array(186,0,255));
$main->AddColour(array(255,0,255));
$main->Gradient();
$main->Show();