/**
* 图片裁剪
*/
public function crop($subfix = '')
{
C('DEFAULT_AJAX_RETURN', 'json');
$imgUrl = I('post.imgUrl');
$image = file_read_remote($imgUrl);
if ($image) {
$param = array('width' => I('post.imgW', 0, 'ceil'), 'height' => I('post.imgH', 0, 'ceil'), 'y' => I('post.imgY1', 0, 'ceil'), 'x' => I('post.imgX1', 0, 'ceil'), 'w' => I('post.cropW', 0, 'ceil'), 'h' => I('post.cropH', 0, 'ceil'));
$imgPath = UPLOAD_PATH . date('Y/m/d/') . basename($imgUrl);
$newImage = file_subfix($imgPath, $subfix);
$res = image_crop($param, $image, false, $newImage);
if ($res) {
$response = array('status' => 1, 'info' => '裁剪成功', 'url' => file_full_path($newImage));
} else {
$response = array('status' => 0, 'info' => '图片裁剪失败');
}
} else {
$response = array('status' => 0, 'info' => '图片读取失败');
}
$this->ajaxReturn($response);
}
<?php
/*
Title: Image Cropper
Author: RP Development
Date: October 10,2015
http://rpdev.lk
*/
if (isset($_POST['crop'])) {
$varArr = explode(",", $_POST['points']);
image_crop($varArr[0], $varArr[1], $varArr[2], $varArr[3], $_POST['img'], $_POST['width'], $_POST['height']);
}
function image_crop($top, $right, $bottom, $left, $image_location, $width, $height)
{
echo $top . "," . $right . "," . $bottom . "," . $left . "," . $image_location . "," . $width . "," . $height;
$topF = $top;
$rightF = $right;
$bottomF = $bottom;
$leftF = $left;
$image = $image_location;
$fileName = explode('.', $image);
//Get Image Size
list($widthPresent, $heightPresent) = getimagesize($image);
$newWidth = $width;
$newHeight = $height;
$thumb = imagecreatetruecolor($newWidth, $newHeight);
$source = imagecreatefromjpeg($image);
imagecopyresized($thumb, $source, 0, 0, 0, 0, $newWidth, $newHeight, $widthPresent, $heightPresent);
imagejpeg($thumb, $fileName[0] . "_temp.jpg", 100);
$img = imagecreatefromjpeg($fileName[0] . "_temp.jpg");
$final = imagecreatetruecolor($rightF, $bottomF);
*/
session_name("Upload");
session_start();
if (isset($_POST['acao']) && $_POST['acao'] == 'Enviar') {
$file = $_FILES['foto'];
$dir = 'uploads/';
$file_name = $file['name'];
$file_tmp_name = $file['tmp_name'];
if (!is_dir($dir)) {
@mkdir($dir);
}
$ext = strtolower(strrchr($file_name, "."));
$nome_img = md5(uniqid($file_name)) . $ext;
$nome_tmb = "200x200-" . $nome_img;
image_crop($file_tmp_name, $dir, $nome_img, 900, 600, false);
image_crop($file_tmp_name, $dir, $nome_tmb, 200, 200, true);
files_dir($dir);
}
if (isset($_POST['src']) && !empty($_POST['src'])) {
$src = $_POST['src'];
$exp = explode('/', $_POST['src']);
$dir = $exp[0];
$file = $exp[1];
if (file_exists($src)) {
@unlink($src);
// Removemos a imagem thumb
@unlink($dir . '/' . str_replace('200x200-', '', $file));
// removemos a imagem grande
echo '<div class="alert">Imagem removida com sucesso!</div>';
// retornamos uma mensagem
files_dir($dir . '/');
function image_save($id, $params, &$error = null)
{
switch ($params['type']) {
case 'copy':
$p['file'] = $params['out'] . $id . '.' . $params['ext'];
if (!copy($params['in'], $p['file'])) {
$error = 'Copying the image to "' . $p['file'] . '" failed. The most likely cause of this is the folder permissions of the destination folder. Please make sure scripts have access to write in this folder.';
return false;
}
break;
case 'crop':
$image = array('image' => $params['in'], 'thumb' => $params['out'] . $id . '.' . $params['ext']);
if (is_array($params['size'])) {
$image = array_merge($image, $params['size']);
} elseif (function_exists($params['size'])) {
$params['size']($image);
}
if ($params['imagick']) {
if (!image_crop_im($image, $error)) {
return false;
}
} else {
if (!image_crop($image, $error)) {
return false;
}
}
break;
case 'store':
$image = array('temp' => $params['in'], 'file' => $params['out'] . $id, 'ext' => $params['ext']);
if (is_array($params['size'])) {
$image = array_merge($image, $params['size']);
} elseif (function_exists($params['size'])) {
$params['size']($image);
}
if ($params['imagick']) {
if (!image_store_im($image, $error)) {
return false;
}
} else {
if (!image_store($image, $error)) {
return false;
}
}
break;
default:
$error = 'You must specify an image save type.';
return false;
}
return true;
}