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Drawing


<?php

$I = imagecreatetruecolor(800,800);

$w = imagecolorallocate($I, 255, 255, 255);
$r = imagecolorallocate($I, 255, 0, 0);

imagefill($I,100,100,$w);  // flood-fill the background to white

imagesetthickness($I,3);
imageline($I,30,20,770,20,$r);

imagesetstyle($I,[$r,$r,$r,$r,$w,$w,$w,$w]);
imageline($I,30,40,770,40,IMG_COLOR_STYLED);


// *** FIGURES DOWN FROM UPPER LEFT ***

// imagearc(img, center-X, center-Y, width, height,
//start-angle, end-angle, color)
imagearc($I,100,150,100,100,0,270,$r);
imagefilledarc($I,100,250,100,100,0,270,$r,IMG_ARC_PIE);
imagefilledarc($I,100,350,100,100,0,90,$r,IMG_ARC_CHORD|IMG_ARC_NOFILL);
imagefilledarc($I,100,450,100,100,0,270,$r,IMG_ARC_PIE|IMG_ARC_NOFILL);
imagefilledarc($I,100,550,100,100,0,270,$r,IMG_ARC_PIE|IMG_ARC_NOFILL|IMG_ARC_EDGED);

// imagerectangle(img, upper-left-X, upper-left-Y
//lower-right-X, lower-right-Y, color)
imagerectangle($I,220,100,350,300,$r);
imagefilledrectangle($I,220,350,350,500,$r);

// imageellipse(img, center-X, center-Y, 
// width, height, color)
imageellipse($I,450,120,80,120,$r);
imagefilledellipse($I,450,300,80,120,$r);

// imagepolygon(img, points, pointsTotal, color)
imagepolygon($I,[600,120,700,120,600,250],3,$r);
imagefilledpolygon($I,[600,320,700,320,600,450],3,$r);

// output to browser
header('Content-Type: image/png');
imagepng($I);

?>