ImagickDraw::popClipPath()函數是PHP中的內置函數,用於終止clip-path定義。剪切路徑用於創建剪切區域,該剪切區域決定應顯示圖像的哪一部分。顯示區域內部的零件,而隱藏外部的零件。
用法:
bool ImagickDraw::popClipPath( 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。
以下示例程序旨在說明PHP中的ImagickDraw::popClipPath()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();
// Set the stroke color
$draw->setStrokeColor('blue');
// Set the fill color
$draw->setFillColor('cyan');
// Set the stroke width
$draw->setStrokeWidth(2);
// Push the clip path
$draw->pushClipPath('testClipPath');
// This is the area which is going to be visible
$draw->rectangle(0, 0, 250, 250);
// Pop the clip path
$draw->popClipPath();
// Set the clip path
$draw->setClipPath('testClipPath');
// Draw a rectangle
$draw->rectangle(50, 50, 350, 350);
// 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();
// Set font size
$draw->setFontSize(60);
// Push the clip path
$draw->pushClipPath('testClipPath');
// This is the area which is going to be visible
$draw->rectangle(0, 0, 250, 250);
// Pop the clip path
$draw->popClipPath();
// Set the clip path
$draw->setClipPath('testClipPath');
// Annotate the text which is going to be clipped
$draw->annotation(0, 150, 'Hello World');
// 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.popclippath.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 popClipPath() 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。