ImagickDraw::setViewbox

(PECL imagick 2.0.0)

ImagickDraw::setViewboxSets the overall canvas size

说明

bool ImagickDraw::setViewbox ( int $x1 , int $y1 , int $x2 , int $y2 )
Warning

本函数还未编写文档,仅有参数列表。

Sets the overall canvas size to be recorded with the drawing vector data. Usually this will be specified using the same size as the canvas image. When the vector data is saved to SVG or MVG formats, the viewbox is use to specify the size of the canvas image that a viewer will render the vector data on.

参数

x1

left x coordinate

y1

left y coordinate

x2

right x coordinate

y2

right y coordinate

返回值

没有返回值。

范例

Example #1 ImagickDraw::setViewBox()

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

    
$draw = new \ImagickDraw();

    
$draw->setStrokeColor($strokeColor);
    
$draw->setFillColor($fillColor);
    
$draw->setStrokeWidth(2);
    
$draw->setFontSize(72);

    
/*
     
    Sets the overall canvas size to be recorded with the drawing vector data. Usually this will be specified using the same size as the canvas image. When the vector data is saved to SVG or MVG formats, the viewbox is use to specify the size of the canvas image that a viewer will render the vector data on.
    
     */

    
$draw->circle(2502502500);
    
$draw->setviewbox(00200200);
    
$draw->circle(125250250250);
    
$draw->translate(250125);
    
$draw->circle(001250);


    
$imagick = new \Imagick();
    
$imagick->newImage(500500$backgroundColor);
    
$imagick->setImageFormat("png");

    
$imagick->drawImage($draw);

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

?>

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