Php/docs/imagickdraw.setviewbox
ImagickDraw::setViewbox
(PECL imagick 2, PECL imagick 3)
ImagickDraw::setViewbox — Sets the overall canvas size
说明
public ImagickDraw::setViewbox
( int $x1
, int $y1
, int $x2
, int $y2
) : bool
Warning 本函数还未编写文档，仅有参数列表。
Sets the overall canvas size to be recorded with the drawing vector data. Usually this will be specified using the same size as the canvas image. When the vector data is saved to SVG or MVG formats, the viewbox is use to specify the size of the canvas image that a viewer will render the vector data on.
参数
x1- left x coordinate
y1- left y coordinate
x2- right x coordinate
y2- right y coordinate
返回值
没有返回值。
范例
Example #1 ImagickDraw::setViewBox()
<?phpfunction setViewBox($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(250, 250, 250, 0); $draw->setviewbox(0, 0, 200, 200); $draw->circle(125, 250, 250, 250); $draw->translate(250, 125); $draw->circle(0, 0, 125, 0); $imagick = new \Imagick(); $imagick->newImage(500, 500, $backgroundColor); $imagick->setImageFormat("png"); $imagick->drawImage($draw); header("Content-Type: image/png"); echo $imagick->getImageBlob();}?>
