The ImagickDraw::pathEllipticArcRelative() function is an inbuilt function in PHP which is used to draw an elliptical arc from the current point to (x, y) using relative coordinates.
Syntax:
bool ImagickDraw::pathEllipticArcRelative( float $rx, float $ry,
float $x_axis_rotation, bool $large_arc_flag, bool $sweep_flag, float $x )
Parameters: This function accepts seven parameters as mentioned above and described below:
- $rx: It specifies the x-radius.
- $ry: It specifies the y-radius
- $x_axis_rotation: It specifies x-axis rotation
- $large_arc_flag: It specifies whether to draw the larger of the available arcs.
- $sweep_flag: It specifies whether to draw the arc matching a clock-wise rotation.
- $x: It specifies the x-coordinate.
- $y: It specifies the y-coordinate.
Return Value: This function returns TRUE on success.
Exceptions: This function throws ImagickException on error.
Below programs illustrate the ImagickDraw::pathEllipticArcRelative() function in PHP:
Program 1:
<?php   // Create a new imagick object $imagick = new Imagick();   // Create a image on imagick object $imagick->newImage(800, 250, '#7441e0');   // Create a new ImagickDraw object $draw = new ImagickDraw();   $draw->setFillColor('#2fceeb');   // Set the stroke color $draw->setStrokeColor('#c27230');   // Set the stroke width $draw->setStrokeWidth(15);   // Draw elliptic arc $draw->pathStart(); $draw->pathEllipticArcRelative(120, 9250,                210, false, true, 300, 400); $draw->pathClose(); $draw->pathFinish();   // Render the draw commands $imagick->drawImage($draw);   // Show the output $imagick->setImageFormat('png'); header("Content-Type: image/png"); echo $imagick->getImageBlob(); ?> |
Output:
Program 2:
<?php   // Create a new imagick object $imagick = new Imagick();   // Create a image on imagick object $imagick->newImage(800, 250, '#7441e0');   // Create a new ImagickDraw object $draw = new ImagickDraw();   $draw->setFillColor('#2fceeb');   // Set the stroke color $draw->setStrokeColor('#c27230');   // Set the stroke width $draw->setStrokeWidth(15);   // Draw elliptic arc $draw->pathStart(); $draw->pathEllipticArcRelative(120,          50, 10, true, true, 300, 400); $draw->pathFinish();   // 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.pathellipticarcrelative.php
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