ImagickDraw::polyline
(PECL imagick 2.0.0)
ImagickDraw::polyline — Draws a polyline
说明
$coordinates
)本函数还未编写文档，仅有参数列表。
Draws a polyline using the current stroke, stroke width, and fill color or texture, using the specified array of coordinates.
参数
-
coordinates -
array of x and y coordinates: array( array( 'x' => 4, 'y' => 6 ), array( 'x' => 8, 'y' => 10 ) )
返回值
成功时返回 TRUE 。
范例
Example #1 ImagickDraw::polyline()
<?php
function polyline ( $strokeColor , $fillColor , $backgroundColor ) {
$draw = new \ ImagickDraw ();
$draw -> setStrokeOpacity ( 1 );
$draw -> setStrokeColor ( $strokeColor );
$draw -> setFillColor ( $fillColor );
$draw -> setStrokeWidth ( 5 );
$points = [
[ 'x' => 40 * 5 , 'y' => 10 * 5 ],
[ 'x' => 20 * 5 , 'y' => 20 * 5 ],
[ 'x' => 70 * 5 , 'y' => 50 * 5 ],
[ 'x' => 60 * 5 , 'y' => 15 * 5 ]
];
$draw -> polyline ( $points );
$image = new \ Imagick ();
$image -> newImage ( 500 , 300 , $backgroundColor );
$image -> setImageFormat ( "png" );
$image -> drawImage ( $draw );
header ( "Content-Type: image/png" );
echo $image -> getImageBlob ();
}
?> 用户评论:
[#1] kris at blackpepper dot co dot nz [2010-06-10 20:51:08]
draw a filled Isosceles Triangle
<?php
$width = 601;
$height = 601;
$max_x = $width - 1;
$max_y = $height - 1;
$mid_y = $max_y / 2;
$mid_x = $max_x / 2;
$fillcolor = '#F00F00';
try {
$lo_img = new Imagick();
$lo_img->newImage( $width, $height, new ImagickPixel('transparent'));
$draw = new ImagickDraw();
$draw->setFillColor($fillcolor);
$draw->setStrokeWidth( 1 );
//start point //end point
$co_ords = array( array( 'x' => $mid_x, 'y' => 0 ),array('x'=>0,'y'=>$max_y)
,array( 'x' => 0, 'y' => $max_y ),array('x'=>$max_x,'y'=>$max_y)
,array( 'x' => $mid_x, 'y' => 0 ),array('x'=>$max_x,'y'=>$max_y)
);
$draw->polyline($co_ords);
$lo_img->drawImage( $draw );
$lo_img->setImageFormat( "png" );
header( "Content-Type: image/png" );
echo $lo_img;
$lo_img->destroy();
$draw->destroy();
exit;
} catch (Exception $ex) {
print_r($ex);
return;
}
?>