DRAW a line in an image.
<?php
bool imageline ( GdImage $image,
int $x1 , int $y1 ,
int $x2 , int $y2 ,
int $color )
where,
$image = The image identifier
$x1 = The x-coordinate of the start point
$y1 = The y-coordinate of the start point
$x2 = The x-coordinate of the end point
$y2 = The y-coordinate of the end point
$color = The fill color as returned by imagecolorallocate
?>
EXERCISE
<?php
$lang = 'en';
$sup_img = 'png/baseXx.png';
$res1_img ='png/PNG 053 01 baseXx imageline.png';
$id_sup_img = imagecreatefrompng($sup_img);
$en = 'Existing Image';
echo basename($sup_img) . '<br><br>' . $$lang; ?>
<br><br><img src="<?php echo
$sup_img; ?>" alt="<?php echo $sup_img; ?>"><br><br>
<?php
$x10 = 30;
$y10 = 30;
$x1N = 340;
$y1N = 250;
$ln1_red = 0;
$ln1_green = 0;
$ln1_blue = 255;
$ln1_color = imagecolorallocate($id_sup_img,
$ln1_red, $ln1_green, $ln1_blue);
$x20 = 340;
$y20 = 50;
$x2N = 100;
$y2N = 250;
$ln2_red = 255;
$ln2_green = 0;
$ln2_blue = 0;
$ln2_color = imagecolorallocate($id_sup_img,
$ln2_red, $ln2_green, $ln2_blue);
$ln1 = imageline($id_sup_img, $x10, $y10,
$x1N, $y1N, $ln1_color);
$ln2 = imageline($id_sup_img, $x20, $y20,
$x2N, $y2N, $ln2_color);
imagepng($id_sup_img, $res1_img);
$ln1 = imageline($id_sup_img, $x10, $y10,
$x1N, $y1N, $ln1_color);
$ln2 = imageline($id_sup_img, $x20,
$y20, $x2N, $y2N, $ln2_color);
?>
<br>
<?php echo basename($res1_img); ?><br><br>
<img src="<?php echo $res1_img; ?>"
alt="<?php echo $res1_img; ?>"><br><br>
<?php imagedestroy($id_sup_img); ?>
