ImagickDraw::setStrokeDashOffset

(PECL imagick 2.0.0)
Specifies the offset into the dash pattern to start the dash
bool ImagickDraw::setStrokeDashOffset ( float $dash_offset )

Specifies the offset into the dash pattern to start the dash.

Parameters:
dash_offset

dash offset

Returns:

No value is returned.

This function is currently not documented; only its argument list is available.

Examples:
ImagickDraw::setStrokeDashOffset()
<?php
function setStrokeDashOffset($strokeColor, $fillColor, $backgroundColor) {

    $draw = new \ImagickDraw();

    $draw->setStrokeColor($strokeColor);
    $draw->setFillColor($fillColor);
    $draw->setStrokeWidth(4);
    $draw->setStrokeDashArray([20, 20]);
    $draw->setStrokeDashOffset(0);
    $draw->rectangle(100, 50, 225, 175);

    //Start the dash effect halfway through the solid portion
    $draw->setStrokeDashOffset(10);
    $draw->rectangle(275, 50, 400, 175);

    //Start the dash effect on the space portion
    $draw->setStrokeDashOffset(20);
    $draw->rectangle(100, 200, 225, 350);
    $draw->setStrokeDashOffset(5);
    $draw->rectangle(275, 200, 400, 350);

    $image = new \Imagick();
    $image->newImage(500, 400, $backgroundColor);
    $image->setImageFormat("png");
    $image->drawImage($draw);

    header("Content-Type: image/png");
    echo $image->getImageBlob();
}

?>

doc_php
2016-02-24 16:01:47
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