ImagickDraw::arc

(PECL imagick 2.0.0)

ImagickDraw::arcDraws an arc

说明

ImagickDraw::arc ( float $sx , float $sy , float $ex , float $ey , float $sd , float $ed ) : bool
Warning

本函数还未编写文档,仅有参数列表。

Draws an arc falling within a specified bounding rectangle on the image.

参数

sx

Starting x ordinate of bounding rectangle

sy

starting y ordinate of bounding rectangle

ex

ending x ordinate of bounding rectangle

ey

ending y ordinate of bounding rectangle

sd

starting degrees of rotation

ed

ending degrees of rotation

返回值

没有返回值。

范例

Example #1 ImagickDraw::arc()

<?php
function arc($strokeColor$fillColor$backgroundColor$startX$startY$endX$endY$startAngle$endAngle) {

    
//Create a ImagickDraw object to draw into.
    
$draw = new \ImagickDraw();
    
$draw->setStrokeWidth(1);
    
$draw->setStrokeColor($strokeColor);
    
$draw->setFillColor($fillColor);
    
$draw->setStrokeWidth(2);

    
$draw->arc($startX$startY$endX$endY$startAngle$endAngle);

    
//Create an image object which the draw commands can be rendered into
    
$image = new \Imagick();
    
$image->newImage(IMAGE_WIDTHIMAGE_HEIGHT$backgroundColor);
    
$image->setImageFormat("png");

    
//Render the draw commands in the ImagickDraw object 
    //into the image.
    
$image->drawImage($draw);

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

?>