include the Zebra_Image library
require 'path/to/Zebra_Image.php';
instantiate the class
$img = new Zebra_Image();
a source image
$img->source_path = 'path/to/source.ext';
path to where should the resulting image be saved
note that by simply setting a different extension to the file will
instruct the script to create an image of that particular type
$img->target_path = 'path/to/target.ext';
crop a rectangle of 100x100 pixels, starting from the top-left corner
$img->crop(0, 0, 100, 100);
| public crop ( integer $start_x, integer $start_y, integer $end_x, integer $end_y ) : boolean | ||
| $start_x | integer | x coordinate to start cropping from @param integer $start_y y coordinate to start cropping from @param integer $end_x x coordinate where to end the cropping @param integer $end_y y coordinate where to end the cropping @since 1.0.4 @return boolean Returns TRUE on success or FALSE on error. If FALSE is returned, check the {@link error} property to see the error code. |
| $start_y | integer | |
| $end_x | integer | |
| $end_y | integer | |
| Résultat | boolean | |
function cropImage(&$image, $request)
{
if (!$image['result']) {
return;
}
$cropWidthCount = array_key_exists('cropWidthCount', $request) ? $request['cropWidthCount'] : false;
$cropHeightCount = array_key_exists('cropHeightCount', $request) ? $request['cropHeightCount'] : false;
if ($cropWidthCount === false && $cropHeightCount === false) {
return;
}
list($width, $height) = getimagesize($image['url']);
for ($h = 0; $h < $cropHeightCount; ++$h) {
for ($w = 0; $w < $cropWidthCount; ++$w) {
$zebraImage = new Zebra_Image();
$zebraImage->source_path = $image['url'];
$zebraImage->target_path = dirname($image['url']) . DIRECTORY_SEPARATOR . basename($image['url'], '.' . pathinfo($image['url'], PATHINFO_EXTENSION)) . "_{$w}_{$h}" . '.' . pathinfo($image['url'], PATHINFO_EXTENSION);
$zebraImage->jpeg_quality = 100;
$image['result'] = $zebraImage->crop(($w + 0) * $width / $cropWidthCount, ($h + 0) * $height / $cropHeightCount, ($w + 1) * $width / $cropWidthCount, ($h + 1) * $height / $cropHeightCount);
$image['status'] = extractZebraError($zebraImage);
if (!array_key_exists('crop', $image)) {
$image['crop'] = array();
}
if (!array_key_exists($h, $image['crop'])) {
$image['crop'][$h] = array();
}
$image['crop'][$h][$w] = array('url' => $zebraImage->target_path);
}
}
}
<?php
$imgCrop = new Zebra_Image();
$imgCrop->source_path = "../upload/temporal_{$_REQUEST['imagen']}";
$imgCrop->target_path = "../upload/temporal_{$_REQUEST['imagen']}";
$imgCrop->jpeg_quality = 100;
$imgCrop->preserve_aspect_ratio = true;
$imgCrop->enlarge_smaller_images = true;
$imgCrop->preserve_time = true;
//SI EL CROP SE REALIZO CORRECTAMENTE RENOMBRAMOS LA IMAGEN
if ($imgCrop->crop(intval($_REQUEST[jrac_crop_x]), intval($_REQUEST[jrac_crop_y]), intval($_REQUEST[jrac_crop_width]) + intval($_REQUEST[jrac_crop_x]), intval($_REQUEST[jrac_crop_height]))) {
if (rename("../upload/temporal_{$_REQUEST['imagen']}", "../upload/{$_REQUEST['imagen']}")) {
$tiempoRedir = 5;
?>
<html>
<head>
<title>Redimencion de imagen</title>
<meta http-equiv="refresh" content="<?php
echo $tiempoRedir;
?>
; url=<?php
echo "../index.php?module=EDITA_EDITAR_IMAGEN&action=index&imagen={$_REQUEST['imagen']}&resultado=ok";
?>
" />
<link href='//maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css' rel='stylesheet' type='text/css'/>
<script src="https://code.jquery.com/jquery-1.8.2.min.js" type="text/javascript"></script>
<script>
$(document).ready(function () {
var count = <?php
echo $tiempoRedir;
?>
// and if there is an error, show the error message
if (!$image->flip_vertical()) {
show_error($image->error, $image->source_path, $image->target_path);
}
// indicate a target image
$image->target_path = 'results/flip-b.' . $ext;
// flip both horizontally and vertically
// and if there is an error, show the error message
if (!$image->flip_both()) {
show_error($image->error, $image->source_path, $image->target_path);
}
// indicate a target image
$image->target_path = 'results/crop.' . $ext;
// crop
// and if there is an error, show the error message
if (!$image->crop(0, 0, 50, 50)) {
show_error($image->error, $image->source_path, $image->target_path);
}
// indicate a target image
$image->target_path = 'results/rotate.' . $ext;
// rotate
// and if there is an error, show the error message
if (!$image->rotate(45)) {
show_error($image->error, $image->source_path, $image->target_path);
}
// indicate a target image
$image->target_path = 'results/filter.' . $ext;
// apply some filters
// (this combination produces the "sepia" filter)
$image->apply_filter(array(array('grayscale'), array('colorize', 90, 60, 40)));
?>
