php教程

ImagickDraw::setStrokeDashOffset

(PECL imagick 2.0.0)

ImagickDraw::setStrokeDashOffsetSpecifies the offset into the dash pattern to start the dash

说明

ImagickDraw::setStrokeDashOffset ( float $dash_offset ) : bool
Warning

本函数还未编写文档,仅有参数列表。

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

参数

dash_offset

dash offset

返回值

没有返回值。

范例

Example #1 ImagickDraw::setStrokeDashOffset()

<?php
function setStrokeDashOffset($strokeColor$fillColor$backgroundColor) {

    
$draw = new \ImagickDraw();

    
$draw->setStrokeColor($strokeColor);
    
$draw->setFillColor($fillColor);
    
$draw->setStrokeWidth(4);
    
$draw->setStrokeDashArray([2020]);
    
$draw->setStrokeDashOffset(0);
    
$draw->rectangle(10050225175);

    
//Start the dash effect halfway through the solid portion
    
$draw->setStrokeDashOffset(10);
    
$draw->rectangle(27550400175);

    
//Start the dash effect on the space portion
    
$draw->setStrokeDashOffset(20);
    
$draw->rectangle(100200225350);
    
$draw->setStrokeDashOffset(5);
    
$draw->rectangle(275200400350);

    
$image = new \Imagick();
    
$image->newImage(500400$backgroundColor);
    
$image->setImageFormat("png");
    
$image->drawImage($draw);

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

?>

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