ImagickDraw::rectangle

(PECL imagick 2, PECL imagick 3)

ImagickDraw::rectangle — Draws a rectangle

说明

public ImagickDraw::rectangle ( float $x1 , float $y1 , float $x2 , float $y2 ) : bool
Warning

本函数还未编写文档，仅有参数列表。

Draws a rectangle given two coordinates and using the current stroke, stroke width, and fill settings.

参数

x1

x coordinate of the top left corner

y1

y coordinate of the top left corner

x2

x coordinate of the bottom right corner

y2

y coordinate of the bottom right corner

返回值

没有返回值。

范例

Example #1 ImagickDraw::rectangle()

<?php
function rectangle($strokeColor, $fillColor, $backgroundColor) {
    $draw = new \ImagickDraw();
    $strokeColor = new \ImagickPixel($strokeColor);
    $fillColor = new \ImagickPixel($fillColor);

    $draw->setStrokeColor($strokeColor);
    $draw->setFillColor($fillColor);
    $draw->setStrokeOpacity(1);
    $draw->setStrokeWidth(2);

    $draw->rectangle(200, 200, 300, 300);
    $imagick = new \Imagick();
    $imagick->newImage(500, 500, $backgroundColor);
    $imagick->setImageFormat("png");

    $imagick->drawImage($draw);

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

?>

User Contributed Notes

garym at binaryfarm dot com 28-Feb-2010 04:32
<?php

// Draw a simple rectangle or three for the newbies.
// I'm trying to comment these as best I can for a non-OOP person.
// commets or criticism are welcome. Gary Melander

$image = new Imagick();    // Create a new instance an $image class

$width =  600;        // Some necessary dimensions
$height = 400;

// $image class now inherits some attributes. i.e. Dimensions, bkgcolor...
$image->newImage( $width, $height, new ImagickPixel( 'lightgray' ) );

$draw = new ImagickDraw();    //Create a new drawing class (?)

$draw->setFillColor('wheat');    // Set up some colors to use for fill and outline
$draw->setStrokeColor( new ImagickPixel( 'green' ) );
$draw->rectangle( 100, 100, 200, 200 );    // Draw the rectangle

// Lets draw another
$draw->setFillColor('navy');    // Set up some colors to use for fill and outline
$draw->setStrokeColor( new ImagickPixel( 'yellow' ) );
$draw->setStrokeWidth(4);
$draw->rectangle( 150, 225, 350, 300 );    // Draw the rectangle

// and another
$draw->setFillColor('magenta');    // Set up some colors to use for fill and outline
$draw->setStrokeColor( new ImagickPixel( 'cyan' ) );
$draw->setStrokeWidth(2);
$draw->rectangle( 380, 100, 400, 350 );    // Draw the rectangle

$image->drawImage( $draw );    // Apply the stuff from the draw class to the image canvas

$image->setImageFormat('jpg');    // Give the image a format

header('Content-type: image/jpeg');     // Prepare the web browser to display an image
echo $image;                // Publish it to the world!

//$image->writeImage('someimage.jpg");    // ...Or just write it to a file...

?>