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How to set the style for line drawing using imagesetstyle() function in PHP?
imagesetstyle() is an inbuilt function in PHP that is used to set the style for line drawing. It can be used by all line drawing functions like imagepolygon or imageline.
Syntax
bool imagesetstyle(resource $image, array $style)
Parameters
imagesetstyle() takes two parameters: $image and $style.
$image − Specifies the image resource to work on.
$style − Specifies the array of pixel colors.
Return Values
imagesetstyle() returns True on success or False on failure.
Example 1
<?php
header("Content-type: image/jpeg");
$img = imagecreatetruecolor(700, 300);
$w = imagecolorallocate($img, 122, 122, 122);
$red = imagecolorallocate($img, 255, 0, 0);
/* Draw a dashed line, 5 red pixels, 5 white pixels */
$style = array($red, $red, $red, $red, $red, $w, $w, $w, $w, $w);
imagesetstyle($img, $style);
imageline($img, 0, 0, 200, 200, IMG_COLOR_STYLED);
/* Draw a line of happy faces using imagesetbrush() with imagesetstyle */
$style = array($w, $w, $w, $w, $w, $w, $w, $w, $w, $w, $w, $w, $red);
imagesetstyle($img, $style);
$brush = imagecreatefrompng('C:\xampp\htdocs\Images\img34.png');
$w2 = imagecolorallocate($brush, 255, 255, 255);
imagecolortransparent($brush, $w2);
imagesetbrush($img, $brush);
imageline($img, 200, 0, 0, 200, IMG_COLOR_STYLEDBRUSHED);
imagejpeg($img);
imagedestroy($img);
?>Input Image
Output Image
.jpg)
Example 2
<?php // Load the png image using imagecreatefrompng() function. $img = imagecreatefrompng('C:\xampp\htdocs\Images\img34.png'); // Allocated the blue and green colors $blue = imagecolorallocate($img, 0, 0, 255); $green = imagecolorallocate($img, 0, 255, 0); // Draw a dashed line, 5 blue pixels, 5 white pixels $style = array($blue, $blue, $blue, $blue, $blue, $green, $green, $green, $green, $green); imagesetstyle($img, $style); imageline($img, 0, 100, 800, 100, IMG_COLOR_STYLED); // Output image to the browser header('Content-type: image/png'); imagepng($img); ?>
Output
.jpg)
Updated on: 09-Aug-2021
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