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ImagickDraw::arc

(PECL imagick 2.0.0)

ImagickDraw::arc — Draws an arc

Description

代码语言:javascript
复制
bool ImagickDraw::arc ( float $sx , float $sy , float $ex , float $ey , float $sd , float $ed )

Warning

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

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

Parameters

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

Return Values

No value is returned.

Examples

Example #1 ImagickDraw::arc()

代码语言:javascript
复制
<?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_WIDTH, IMAGE_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();
}

?>

← ImagickDraw::annotation

ImagickDraw::bezier →

代码语言:txt
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 © 1997–2017 The PHP Documentation Group

Licensed under the Creative Commons Attribution License v3.0 or later.

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