ImagickDraw::bezier

(PECL imagick 2, PECL imagick 3)

ImagickDraw::bezierDraws a bezier curve

说明

public ImagickDraw::bezier(array $coordinates): bool
警告

本函数还未编写文档,仅有参数列表。

Draws a bezier curve through a set of points on the image.

参数

coordinates

Multidimensional array like array( array( 'x' => 1, 'y' => 2 ), array( 'x' => 3, 'y' => 4 ) )

返回值

没有返回值。

示例

示例 #1 ImagickDraw::bezier() example

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

$draw = new \ImagickDraw();

$strokeColor = new \ImagickPixel($strokeColor);
$fillColor = new \ImagickPixel($fillColor);

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

$draw->setStrokeWidth(2);

$smoothPointsSet = [
[
[
'x' => 10.0 * 5, 'y' => 10.0 * 5],
[
'x' => 30.0 * 5, 'y' => 90.0 * 5],
[
'x' => 25.0 * 5, 'y' => 10.0 * 5],
[
'x' => 50.0 * 5, 'y' => 50.0 * 5],
],
[
[
'x' => 50.0 * 5, 'y' => 50.0 * 5],
[
'x' => 75.0 * 5, 'y' => 90.0 * 5],
[
'x' => 70.0 * 5, 'y' => 10.0 * 5],
[
'x' => 90.0 * 5, 'y' => 40.0 * 5],
],
];

foreach (
$smoothPointsSet as $points) {
$draw->bezier($points);
}

$disjointPoints = [
[
[
'x' => 10 * 5, 'y' => 10 * 5],
[
'x' => 30 * 5, 'y' => 90 * 5],
[
'x' => 25 * 5, 'y' => 10 * 5],
[
'x' => 50 * 5, 'y' => 50 * 5],
],
[
[
'x' => 50 * 5, 'y' => 50 * 5],
[
'x' => 80 * 5, 'y' => 50 * 5],
[
'x' => 70 * 5, 'y' => 10 * 5],
[
'x' => 90 * 5, 'y' => 40 * 5],
]
];
$draw->translate(0, 200);

foreach (
$disjointPoints as $points) {
$draw->bezier($points);
}

//Create an image object which the draw commands can be rendered into
$imagick = new \Imagick();
$imagick->newImage(500, 500, $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();
}

?>

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