ImagickDraw::popPattern()函數是PHP中的內置函數,用於終止包含要應用的設計的模式定義。
用法:
bool ImagickDraw::popPattern( void )
參數:此函數不接受任何參數。
返回值:成功時此函數返回TRUE。
異常:該函數在錯誤時引發ImagickException。
下麵給出的程序說明了PHP中的ImagickDraw::popPattern()函數:
程序1:
<?php
// Create a new imagick object
$imagick = new Imagick();
// Create a image on imagick object
$imagick->newImage(800, 250, 'white');
// Create a new imagickDraw object
$draw = new ImagickDraw();
// Push the pattern
$draw->pushPattern("MyPattern", 0, 0, 50, 50);
for ($x = 0; $x < 50; $x += 10) {
for ($y = 0; $y < 50; $y += 5) {
$X = $x + (($y / 10) % 10);
$draw->rectangle($X, $y, $X + 5, $y + 5);
}
}
// Pop the pattern
$draw->popPattern();
// Set the fill Opacity
$draw->setFillOpacity(0);
// Set the fill pattern URL
$draw->setFillPatternURL('#MyPattern');
// Draw a rectangle
$draw->rectangle(0, 0, 900, 900);
// Render the draw commands
$imagick->drawImage($draw);
// Show the output
$imagick->setImageFormat('png');
header("Content-Type:image/png");
echo $imagick->getImageBlob();
?>
輸出:
程序2:
<?php
// Create a new imagick object
$imagick = new Imagick();
// Create a image on imagick object
$imagick->newImage(800, 250, 'white');
// Create a new imagickDraw object
$draw = new ImagickDraw();
// Push the pattern
$draw->pushPattern("MyPattern", 0, 0, 50, 50);
for ($x = 0; $x < 50; $x += 10) {
for ($y = 0; $y < 50; $y += 5) {
$X = $x + (($y / 10) % 10);
$draw->circle($X, $y, $X, $y +1);
}
}
// Pop the pattern
$draw->popPattern();
// Set the fill Opacity
$draw->setFillOpacity(0);
// Set the fill pattern URL
$draw->setFillPatternURL('#MyPattern');
// Draw a rectangle
$draw->rectangle(0, 0, 900, 900);
// Render the draw commands
$imagick->drawImage($draw);
// Show the output
$imagick->setImageFormat('png');
header("Content-Type:image/png");
echo $imagick->getImageBlob();
?
輸出:
參考: https://www.php.net/manual/en/imagickdraw.poppattern.php
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注:本文由純淨天空篩選整理自gurrrung大神的英文原創作品 PHP | ImagickDraw popPattern() Function。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。