ImagickPixelIterator::setIteratorRow()
(PECL imagick 2.0.0)
Set the pixel iterator row
说明
ImagickPixelIterator::setIteratorRow(int $row): bool
Warning本函数还未编写文档,仅有参数列表。
Set the pixel iterator row.
参数
- $row
返回值
成功时返回TRUE
。
范例
Example #1 ImagickPixelIterator::setIteratorRow()
<?php function setIteratorRow($imagePath) { $imagick = new \Imagick(realpath($imagePath)); $imageIterator = $imagick->getPixelRegionIterator(200, 100, 200, 200); for ($x = 0; $x < 20; $x++) { $imageIterator->setIteratorRow($x * 5); $pixels = $imageIterator->getCurrentIteratorRow(); /* Loop through the pixels in the row (columns) */ foreach ($pixels as $pixel) { /** @var $pixel \ImagickPixel */ /* Paint every second pixel black*/ $pixel->setColor("rgba(0, 0, 0, 0)"); } /* Sync the iterator, this is important to do on each iteration */ $imageIterator->syncIterator(); } header("Content-Type: image/jpg"); echo $imagick; } ?>