The ImagickDraw::setFillRule() function is an inbuilt function in PHP which is used to set the fill rule to use while drawing the polygons.
Syntax:
bool ImagickDraw::setFillRule( int $fill_rule )
Parameters: This function accepts a single parameter $fill_rule which holds an integer value corresponding to one of FILLRULE constants.
List of FILLRULE constants are given below:
- imagick::FILLRULE_UNDEFINED (0)
- imagick::FILLRULE_EVENODD (1)
- imagick::FILLRULE_NONZERO (2)
Return Value: This function returns TRUE on success.
Below programs illustrate the ImagickDraw::setFillRule() function in PHP:
Program 1:
<?php // Create a new ImagickDraw object $draw = new ImagickDraw(); // Set the Fill Rule $draw->setFillRule(0); // Get the Fill Rule $fillRule = $draw->getFillRule(); echo $fillRule; ?> |
Output:
0 // Which corresponds to imagick::FILLRULE_UNDEFINED.
Program 2:
<?php // Create a new imagick object $imagick = new Imagick(); // Create a image on imagick object $imagick->newImage(800, 250, 'black'); // Create a new ImagickDraw object $draw = new ImagickDraw(); // Set the Fill Color $draw->setFillColor('white'); // Set the Fill Rule $draw->setFillRule(Imagick::FILLRULE_EVENODD); // Translate the drawing $draw->translate(40, 50); // Start the path and draw pathlines $draw->pathStart(); for ($x = 0; $x < 22; $x++) { if ($x >= 11) { $angle = fmod($x * 130, 360) * pi() / 180; } else { $angle = fmod($x * 98, 360) * pi() / 180; } $draw->pathLineToAbsolute(150 * sin($angle), 150 * cos($angle)); } // Render the draw commands $imagick->drawImage($draw); // Show the output $imagick->setImageFormat('png'); header("Content-Type: image/png"); echo $imagick->getImageBlob(); ?> |
Output:
Reference: https://www.php.net/manual/en/imagickdraw.setfillrule.php
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