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Ce document utilise Manuel du site Web PHP chinois Libérer
(PECL imagick 2.0.0)
ImagickDraw::point — Draws a point
$x
, float $y
)本函数还未编写文档,仅有参数列表。
Draws a point using the current stroke color and stroke thickness at the specified coordinates.
x
point's x coordinate
y
point's y coordinate
没有返回值。
Example #1 ImagickDraw::point()
<?php
function point ( $fillColor , $backgroundColor ) {
$draw = new \ ImagickDraw ();
$draw -> setFillColor ( $fillColor );
for ( $x = 0 ; $x < 10000 ; $x ++) {
$draw -> point ( rand ( 0 , 500 ), rand ( 0 , 500 ));
}
$imagick = new \ Imagick ();
$imagick -> newImage ( 500 , 500 , $backgroundColor );
$imagick -> setImageFormat ( "png" );
$imagick -> drawImage ( $draw );
header ( "Content-Type: image/png" );
echo $imagick -> getImageBlob ();
}
?>
[#1] Brian [2013-10-26 16:19:18]
This no longer uses the fill color. It now uses the stroke color, consistent with the documentation.
[#2] spz [2009-09-26 23:41:12]
point($x, $y) uses the FillColor of ImagickDraw! This actually took quite a while, till I found out that it's falsely documented on these pages. So to draw single pixels, do it like this:
<?php
$image = new Imagick();
$draw = new ImagickDraw();
$pixel = new ImagickPixel('red');
$image->newImage(10, 10, 'transparent', 'gif');
// Here comes the magick:
$pixel->setColor($_POST[$i."x".$j]);
$draw->setFillColor($pixel);
$draw->point($i,$j);
$image->drawImage($draw);
$image->writeImages($path, true);
?>