function row_dump($row, $pixels)
{
printf("[%d] ", $row);
if ($pixels === null) {
var_dump($pixels);
} else {
printf("(%d)", count($pixels));
foreach ($pixels as $pixel) {
$color = $pixel->getColor(false);
printf(" #%02x%02x%02x", $color['r'], $color['g'], $color['b']);
}
printf("\n");
}
}
$magick = new Imagick(__DIR__ . '/facebook.png');
$iterators = array(ImagickPixelIterator::getPixelIterator($magick), ImagickPixelIterator::getPixelRegionIterator($magick, 40, 30, 20, 10));
foreach ($iterators as $iterator) {
for ($i = 0; $i < 5; ++$i) {
echo "== {$i} ==\n";
row_dump($iterator->getIteratorRow(), $iterator->getCurrentIteratorRow());
row_dump($iterator->getIteratorRow(), $iterator->getPreviousIteratorRow());
row_dump($iterator->getIteratorRow(), $iterator->getNextIteratorRow());
row_dump($iterator->getIteratorRow(), $iterator->getNextIteratorRow());
switch ($i) {
case 0:
$iterator->setIteratorRow(5);
break;
case 1:
$iterator->setIteratorFirstRow();
break;
case 2:
<?php
function count_rows($pix)
{
$rows = 0;
foreach ($pix as $r) {
$rows++;
}
return $rows;
}
function count_objects($pix)
{
$objects = 0;
foreach ($pix as $r) {
foreach ($r as $o) {
$objects++;
}
}
return $objects;
}
$im = new Imagick('magick:rose');
$it1 = new ImagickPixelIterator($im);
$it2 = ImagickPixelIterator::getPixelIterator($im);
echo (count_rows($it1) == count_rows($it2) ? "match" : "no") . PHP_EOL;
echo (count_objects($it1) == count_objects($it2) ? "match" : "no") . PHP_EOL;
$it1->newPixelIterator(new Imagick('magick:rose'));
echo 'done' . PHP_EOL;
