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(PECL imagick 2.0.0)
ImagickDraw::pushPattern — Indicates that subsequent commands up to a ImagickDraw::opPattern() command comprise the definition of a named pattern
$pattern_id
, float $x
, float $y
, float $width
, float $height
)本函数还未编写文档,仅有参数列表。
Indicates that subsequent commands up to a DrawPopPattern() command comprise the definition of a named pattern. The pattern space is assigned top left corner coordinates, a width and height, and becomes its own drawing space. Anything which can be drawn may be used in a pattern definition. Named patterns may be used as stroke or brush definitions.
pattern_id
the pattern Id
x
x coordinate of the top-left corner
y
y coordinate of the top-left corner
width
width of the pattern
height
height of the pattern
成功时返回 TRUE
, 或者在失败时返回 FALSE
。
Example #1 ImagickDraw::pushPattern()
<?php
function pushPattern ( $strokeColor , $fillColor , $backgroundColor ) {
$draw = new \ ImagickDraw ();
$draw -> setStrokeColor ( $strokeColor );
$draw -> setFillColor ( $fillColor );
$draw -> setStrokeWidth ( 1 );
$draw -> setStrokeOpacity ( 1 );
$draw -> setStrokeColor ( $strokeColor );
$draw -> setFillColor ( $fillColor );
$draw -> setStrokeWidth ( 1 );
$draw -> pushPattern ( "MyFirstPattern" , 0 , 0 , 50 , 50 );
for ( $x = 0 ; $x < 50 ; $x += 10 ) {
for ( $y = 0 ; $y < 50 ; $y += 5 ) {
$positionX = $x + (( $y / 5 ) % 5 );
$draw -> rectangle ( $positionX , $y , $positionX + 5 , $y + 5 );
}
}
$draw -> popPattern ();
$draw -> setFillOpacity ( 0 );
$draw -> rectangle ( 100 , 100 , 400 , 400 );
$draw -> setFillOpacity ( 1 );
$draw -> setFillOpacity ( 1 );
$draw -> push ();
$draw -> setFillPatternURL ( '#MyFirstPattern' );
$draw -> setFillColor ( 'yellow' );
$draw -> rectangle ( 100 , 100 , 400 , 400 );
$draw -> pop ();
$imagick = new \ Imagick ();
$imagick -> newImage ( 500 , 500 , $backgroundColor );
$imagick -> setImageFormat ( "png" );
$imagick -> drawImage ( $draw );
header ( "Content-Type: image/png" );
echo $imagick -> getImageBlob ();
}
?>