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IMAGESETPIXEL(3) 1 IMAGESETPIXEL(3) imagesetpixel - Set a single pixel SYNOPSIS
bool imagesetpixel (resource $image, int $x, int $y, int $color) DESCRIPTION
imagesetpixel(3) draws a pixel at the specified coordinate. PARAMETERS
o $ image -An image resource, returned by one of the image creation functions, such as imagecreatetruecolor(3). o $x - x-coordinate. o $y - y-coordinate. o $color - A color identifier created with imagecolorallocate(3). RETURN VALUES
Returns TRUE on success or FALSE on failure. EXAMPLES
Example #1 imagesetpixel(3) example A random drawing that ends with a regular picture. <?php $x = 200; $y = 200; $gd = imagecreatetruecolor($x, $y); $corners[0] = array('x' => 100, 'y' => 10); $corners[1] = array('x' => 0, 'y' => 190); $corners[2] = array('x' => 200, 'y' => 190); $red = imagecolorallocate($gd, 255, 0, 0); for ($i = 0; $i < 100000; $i++) { imagesetpixel($gd, round($x),round($y), $red); $a = rand(0, 2); $x = ($x + $corners[$a]['x']) / 2; $y = ($y + $corners[$a]['y']) / 2; } header('Content-Type: image/png'); imagepng($gd); ?> The above example will output something similar to:[NOT DISPLAYABLE MEDIA]Output of example : imagesetpixel() SEE ALSO
imagecreatetruecolor(3), imagecolorallocate(3), imagecolorat(3). PHP Documentation Group IMAGESETPIXEL(3)