ImagickPixelIterator::resetIterator

(PECL imagick 2, PECL imagick 3)

ImagickPixelIterator::resetIterator — Resets the pixel iterator

说明

publicImagickPixelIterator::resetIterator(): bool

警告

本函数还未编写文档，仅有参数列表。

Resets the pixel iterator. Use it in conjunction with ImagickPixelIterator::getNextIteratorRow() to iterate over all the pixels in a pixel container.

返回值

成功时返回 true。

示例

示例 #1 ImagickPixelIterator::resetIterator()

<?php
function resetIterator($imagePath) {

$imagick = new \Imagick(realpath($imagePath));

$imageIterator = $imagick->getPixelIterator();


foreach ($imageIterator as $pixels) {

foreach ($pixels as $column => $pixel) {

if ($column % 2) {


$pixel->setColorValue(\Imagick::COLOR_RED, 64); 
 }
 }

$imageIterator->syncIterator();
 }

$imageIterator->resetiterator();


foreach ($imageIterator as $pixels) {

foreach ($pixels as $column => $pixel) {

if ($column % 3) {
$pixel->setColorValue(\Imagick::COLOR_BLUE, 64);