ImagickDraw::composite

(PECL imagick 2.0.0)

ImagickDraw::composite — Composites an image onto the current image

说明

bool ImagickDraw::composite ( int $compose , float $x , float $y , float $width , float $height , Imagick $compositeWand )

Warning

本函数还未编写文档，仅有参数列表。

Composites an image onto the current image, using the specified composition operator, specified position, and at the specified size.

参数

compose: composition operator. One of COMPOSITE_ constants
x: x coordinate of the top left corner
y: y coordinate of the top left corner
width: width of the composition image
height: height of the composition image
compositeWand: the Imagick object where composition image is taken from

返回值

成功时返回 TRUE。

范例

Example #1 ImagickDraw::composite()


<?php
function composite($strokeColor, $fillColor, $backgroundColor) {

    $draw = new \ImagickDraw();

    $draw->setStrokeColor($strokeColor);
    $draw->setFillColor($fillColor);
    $draw->setFillOpacity(1);
    $draw->setStrokeWidth(2);
    $draw->setFontSize(72);
    $draw->setStrokeOpacity(1);
    $draw->setStrokeColor($strokeColor);
    $draw->setStrokeWidth(2);
    $draw->setFont("../fonts/CANDY.TTF");
    $draw->setFontSize(140);
    $draw->rectangle(0, 0, 1000, 300);
    $draw->setFillColor('white');
    $draw->setfillopacity(1);
    $draw->annotation(50, 180, "Lorem Ipsum!");

    //Create an image object which the draw commands can be rendered into
    $imagick = new \Imagick();
    $imagick->newImage(1000, 302, $backgroundColor);
    $imagick->setImageFormat("png");

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

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

?>

User Contributed Notes

christian dot reinecke at web dot de 23-Jun-2009 10:31


To see some examples how the COMPOSITE_* constants work, see this page:

http://www.imagemagick.org/Usage/compose/#duff-porter