本文整理汇总了PHP中GetImageSize函数的典型用法代码示例。如果您正苦于以下问题：PHP GetImageSize函数的具体用法？PHP GetImageSize怎么用？PHP GetImageSize使用的例子？那么, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了GetImageSize函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: newGalleryImage
static function newGalleryImage($image)
{
# Grab filename and image type from upload
$file_ext = self::$imageTypes[$image['type']];
$filename = $image['name'];
# Upload of image
copy($image['tmp_name'], "gallery_images/" . $filename);
# Grabs file suffix for variable function calls
$function_suffix = strtoupper($file_ext);
# Variable read/write functions for image creation
$function_to_read = 'ImageCreateFrom' . $function_suffix;
$function_to_write = 'Image' . $function_suffix;
# Determine the file size and create a proportionally sized thumbnail
$size = GetImageSize("gallery_images/" . $filename);
if ($size[0] > $size[1]) {
$thumbnail_width = 200;
$thumbnail_height = (int) (200 * $size[1] / $size[0]);
} else {
$thumbnail_width = (int) (200 * $size[0] / $size[1]);
$thumbnail_height = 200;
}
$source_handle = $function_to_read("gallery_images/" . $filename);
if ($source_handle) {
$destination_handle = ImageCreateTrueColor($thumbnail_width, $thumbnail_height);
ImageCopyResampled($destination_handle, $source_handle, 0, 0, 0, 0, $thumbnail_width, $thumbnail_height, $size[0], $size[1]);
}
$function_to_write($destination_handle, "gallery_images/tb/" . $filename);
}示例2: makeThumb1
/**
* 把图片生成缩略图1
* @param string $srcFile 源文件
* @param string $dstFile 目标文件
* @param int $dstW 目标图片宽度
* @param int $dstH 目标文件高度
* @param string $dstFormat 目标文件生成的格式, 有png和jpg两种格式
* @return 错误返回错误对象
*/
public static function makeThumb1($srcFile, $dstFile, $dstW, $dstH, $dstFormat = "png")
{
//打开图片
$data = GetImageSize($srcFile, &$info);
switch ($data[2]) {
case 1:
$im = @ImageCreateFromGIF($srcFile);
break;
case 2:
$im = @imagecreatefromjpeg($srcFile);
break;
case 3:
$im = @ImageCreateFromPNG($srcFile);
break;
}
if (!$im) {
throw new TM_Exception(__CLASS__ . ": Create image failed");
}
//设定图片大小
$srcW = ImageSX($im);
$srcH = ImageSY($im);
$ni = ImageCreate($dstW, $dstH);
ImageCopyResized($ni, $im, 0, 0, 0, 0, $dstW, $dstH, $srcW, $srcH);
//生成指定格式的图片
if ($dstFormat == "png") {
imagepng($ni, $dstFile);
} elseif ($dstFormat == "jpg") {
ImageJpeg($ni, $dstFile);
} else {
imagepng($ni, $dstFile);
}
}示例3: resizeImg
function resizeImg($origPath, $mW, $mH)
{
// Read the size
$rst['size'] = GetImageSize($origPath);
$w = $rst['size'][0];
$h = $rst['size'][1];
// Proportionally resize the image to the max sizes specified above
$xRatio = $mW / $w;
$yRatio = $mH / $h;
if ($w <= $mW && $h <= $mH) {
$tnW = $w;
$tnH = $h;
} elseif ($xRatio * $h < $mH) {
$tnH = ceil($xRatio * $h);
$tnW = $mW;
} else {
$tnW = ceil($yRatio * $w);
$tnH = $mH;
}
// Create the new image!
if ($rst['size']['mime'] == 'image/jpg' || $rst['size']['mime'] == 'image/jpeg') {
$rst['src'] = imagecreatefromjpeg($origPath);
$rst['dst'] = ImageCreateTrueColor($tnW, $tnH);
$rst['resize'] = ImageCopyResized($rst['dst'], $rst['src'], 0, 0, 0, 0, $tnW, $tnH, $w, $h);
$rst['imgMod'] = imagejpeg($rst['dst'], $origPath, 100);
} else {
$rst['note'] = 'Error with file type!';
return false;
}
return $rst;
}示例4: ThumbnailImage
function ThumbnailImage($path, $maxdimension = 100)
{
$this->maxdimension = $maxdimension;
//check path
is_file($path) or die("File: {$path} doesn't exist.");
//check type
$extension = substr($path, strpos($path, ".") + 1);
$extension = strtolower($extension);
in_array($extension, $this->types) or die("Incorrect file type.");
$this->fileextension = $extension;
$this->setMimeType($extension);
//get dimensions by creating imageproperties
$this->imageproperties = GetImageSize($path);
//create image
if ($extension == "jpeg" || $extension == "jpg") {
$this->image = imagecreatefromJPEG($path);
} elseif ($extension == "gif") {
$this->image = imagecreatefromGIF($path);
} elseif ($extension == "png") {
$this->image = imagecreatefromPNG($path);
} else {
die("Couldn't create image.");
}
$this->createThumb();
}示例5: upload_image_and_thumbnail
function upload_image_and_thumbnail($fileData, $size, $subFolder, $prefix)
{
if (strlen($fileData['name']) > 4) {
$error = 0;
$destFolder = WWW_ROOT . $subFolder;
$realFileName = $fileData['name'];
if (!is_dir($destFolder)) {
mkdir($destFolder, true);
}
$filetype = $this->getFileExtension($fileData['name']);
$filetype = strtolower($filetype);
if (!in_array($fileData['type'], $this->contentType)) {
return false;
exit;
} else {
if ($fileData['size'] > 700000) {
return false;
exit;
} else {
$imgsize = GetImageSize($fileData['tmp_name']);
}
}
if (is_uploaded_file($fileData['tmp_name'])) {
if (!copy($fileData['tmp_name'], $destFolder . '/' . $realFileName)) {
return false;
exit;
} else {
$this->resize_img($destFolder . '/' . $realFileName, $size, $destFolder . '/' . $prefix . $realFileName);
unlink($destFolder . '/' . $realFileName);
}
}
return $fileData;
}
}示例6: image_replace
/**
* Parses image-replace properties
* @access public
* @param $url
* @return string
*/
public function image_replace($value)
{
$url = preg_match('/
(?:url\\(\\s*)? # maybe url(
[\'"]? # maybe quote
([^\'\\"\\)]*) # 1 = URI
[\'"]? # maybe end quote
(?:\\s*\\))? # maybe )
/xs', $value, $match);
if ($match) {
$url = $match[1];
// Get the size of the image file
$size = GetImageSize($this->source->find($url));
$width = $size[0];
$height = $size[1];
// Make sure theres a value so it doesn't break the css
if (!$width && !$height) {
$width = $height = 0;
}
// Build the selector
$properties = 'background:url(' . $url . ') no-repeat 0 0;height:0;padding-top:' . $height . 'px;width:' . $width . 'px;display:block;text-indent:-9999px;overflow:hidden;';
return $properties;
}
return false;
}示例7: getSize
function getSize($pic)
{
global $width, $height;
$size = GetImageSize($pic);
$width = $size[0];
$height = $size[1];
}示例8: loadFile
public function loadFile($thumbnail, $image)
{
$imgData = @GetImageSize($image);
if (!$imgData) {
throw new Exception(sprintf('Could not load image %s', $image));
}
if (in_array($imgData['mime'], $this->imgTypes)) {
$loader = $this->imgLoaders[$imgData['mime']];
if (!function_exists($loader)) {
throw new Exception(sprintf('Function %s not available. Please enable the GD extension.', $loader));
}
$this->source = $loader($image);
$this->sourceWidth = $imgData[0];
$this->sourceHeight = $imgData[1];
$this->sourceMime = $imgData['mime'];
$thumbnail->initThumb($this->sourceWidth, $this->sourceHeight, $this->maxWidth, $this->maxHeight, $this->scale, $this->inflate);
$this->thumb = imagecreatetruecolor($thumbnail->getThumbWidth(), $thumbnail->getThumbHeight());
if ($imgData[0] == $this->maxWidth && $imgData[1] == $this->maxHeight) {
$this->thumb = $this->source;
} else {
imagecopyresampled($this->thumb, $this->source, 0, 0, 0, 0, $thumbnail->getThumbWidth(), $thumbnail->getThumbHeight(), $imgData[0], $imgData[1]);
}
return true;
} else {
throw new Exception(sprintf('Image MIME type %s not supported', $imgData['mime']));
}
}示例9: getImageType
public static function getImageType($srcFile)
{
$data = @GetImageSize($srcFile);
if ($data === false) {
return false;
} else {
switch ($data[2]) {
case 1:
return 'gif';
break;
case 2:
return 'jpg';
break;
case 3:
return 'png';
break;
case 4:
return 'swf';
break;
case 5:
return 'psd';
break;
case 6:
return 'bmp';
break;
case 7:
return 'tiff';
break;
case 8:
return 'tiff';
break;
case 9:
return 'jpc';
break;
case 10:
return 'jp2';
break;
case 11:
return 'jpx';
break;
case 12:
return 'jb2';
break;
case 13:
return 'swc';
break;
case 14:
return 'iff';
break;
case 15:
return 'wbmp';
break;
case 16:
return 'xbm';
break;
default:
return false;
}
}
}示例10: __construct
/**
* Construction for class
*
* @param string $sourceFolder : end with slash '/'
* @param string $sourceName
* @param string $destFolder : end with slash '/'
* @param string $destName
* @param int $maxWidth
* @param int $maxHeight
* @param string $cropRatio
* @param int $quality
* @param string $color
*
* @return ImageResizer
*/
public function __construct($sourceFolder, $sourceName, $destFolder, $destName, $maxWidth = 0, $maxHeight = 0, $cropRatio = '', $quality = 90, $color = 'ffffff')
{
$this->sourceFolder = $sourceFolder;
$this->sourceName = $sourceName;
$this->destFolder = $destFolder;
$this->destName = $destName;
$this->maxWidth = $maxWidth;
$this->maxHeight = $maxHeight;
$this->cropRatio = $cropRatio;
$this->quality = $quality;
$this->color = $color;
if (!file_exists($this->sourceFolder . $this->sourceName)) {
echo 'Error: image does not exist: ' . $this->sourceFolder . $this->sourceName;
return null;
}
$size = GetImageSize($this->sourceFolder . $this->sourceName);
$mime = $size['mime'];
// Make sure that the requested file is actually an image
if (substr($mime, 0, 6) != 'image/') {
echo 'Error: requested file is not an accepted type: ' . $this->sourceFolder . $this->sourceName;
return null;
}
$this->size = $size;
if ($color != '') {
$this->color = preg_replace('/[^0-9a-fA-F]/', '', $color);
} else {
$this->color = false;
}
}示例11: post_process
/**
* The second last process, should only be getting everything
* syntaxically correct, rather than doing any heavy processing
*
* @author Anthony Short
* @return $css string
*/
public static function post_process()
{
if ($found = CSS::find_properties_with_value('image-replace', 'url\\([\'\\"]?([^)]+)[\'\\"]?\\)')) {
foreach ($found[4] as $key => $value) {
$path = $url = str_replace("\\", "/", unquote($value));
# If they're getting an absolute file
if ($path[0] == "/") {
$path = DOCROOT . ltrim($path, "/");
}
# Check if it exists
if (!file_exists($path)) {
FB::log("ImageReplace - Image doesn't exist " . $path);
}
# Make sure it's an image
if (!is_image($path)) {
FB::log("ImageReplace - File is not an image: {$path}");
}
// Get the size of the image file
$size = GetImageSize($path);
$width = $size[0];
$height = $size[1];
// Make sure theres a value so it doesn't break the css
if (!$width && !$height) {
$width = $height = 0;
}
// Build the selector
$properties = "\n\t\t\t\t\tbackground:url({$url}) no-repeat 0 0;\n\t\t\t\t\theight:{$height}px;\n\t\t\t\t\twidth:{$width}px;\n\t\t\t\t\tdisplay:block;\n\t\t\t\t\ttext-indent:-9999px;\n\t\t\t\t\toverflow:hidden;\n\t\t\t\t";
CSS::replace($found[2][$key], $properties);
}
# Remove any left overs
CSS::replace($found[1], '');
}
}示例12: resizeImage
private function resizeImage($file, $data, $tmd = 600, $quality = 100)
{
$data['type'] = "image/jpeg";
$basename = basename($file);
$filesDir = $this->input->post('uploadDir');
// хэш нередактируемой карты!
$uploaddir = implode(array($this->input->server('DOCUMENT_ROOT'), 'storage', $tmd, $filesDir), DIRECTORY_SEPARATOR);
$srcFile = implode(array($this->input->server('DOCUMENT_ROOT'), 'storage', 'source', $filesDir, $basename), DIRECTORY_SEPARATOR);
$image = $this->createimageByType($data, $srcFile);
if (!file_exists($uploaddir)) {
mkdir($uploaddir, 0775, true);
}
$size = GetImageSize($srcFile);
$new = ImageCreateTrueColor($size['1'], $size['0']);
if ($size['1'] > $tmd || $size['0'] > $tmd) {
if ($size['1'] < $size['0']) {
$hNew = round($tmd * $size['1'] / $size['0']);
$new = ImageCreateTrueColor($tmd, $hNew);
ImageCopyResampled($new, $image, 0, 0, 0, 0, $tmd, $hNew, $size['0'], $size['1']);
}
if ($size['1'] >= $size['0']) {
$hNew = round($tmd * $size['0'] / $size['1']);
$new = ImageCreateTrueColor($hNew, $tmd);
ImageCopyResampled($new, $image, 0, 0, 0, 0, $hNew, $tmd, $size['0'], $size['1']);
}
}
//print $uploaddir."/".TMD."/".$filename.".jpg<br>";
imageJpeg($new, $uploaddir . DIRECTORY_SEPARATOR . $basename, $quality);
//header("content-type: image/jpeg");// активировать для отладки
//imageJpeg ($new, "", 100);//активировать для отладки
imageDestroy($new);
}示例13: get_gallery
/**
* Fetches gallery info for the specified gallery and immediate children.
*/
function get_gallery($gallery_name, $getChildGalleries = 1)
{
$gal = new gallery($gallery_name);
//if fail then try to open generic metadata
$fp = @fopen($this->config->base_path . $this->config->pathto_galleries . $gallery_name . "/metadata.csv", "r");
if ($fp) {
while ($temp[] = fgetcsv($fp, 2048)) {
}
fclose($fp);
list($gal->filename, $gal->name, $gal->desc, $gal->long_desc, $gal->date) = $temp[1];
for ($i = 0; $i < count($temp) - 3; $i++) {
$gal->images[$i] = new image();
list($gal->images[$i]->filename, $gal->images[$i]->name, $gal->images[$i]->desc, $gal->images[$i]->long_desc, $gal->images[$i]->date, $gal->images[$i]->sort) = $temp[$i + 2];
$gal->images[$i]->full_path = $gal->name . "/" . $gal->images[$i]->filename;
//get image size and type
list($gal->images[$i]->width, $gal->images[$i]->height, $gal->images[$i]->type) = substr($gal->images[$i]->filename, 0, 7) == "http://" ? @GetImageSize($gal->images[$i]->filename) : @GetImageSize($this->config->base_path . $this->config->pathto_galleries . $gal->id . "/" . $gal->images[$i]->filename);
}
//discover child galleries
$dir = photostack::get_listing($this->config->base_path . $this->config->pathto_galleries . $gallery_name . "/", "dirs");
if ($getChildGalleries) {
//but only fetch their info if required too
foreach ($dir->dirs as $gallery) {
$gal->galleries[] = $this->get_gallery($gallery_name . "/" . $gallery, $getChildGalleries);
}
} else {
//otherwise just copy their names in so they can be counted
$gal->galleries = $dir->dirs;
}
return $gal;
} else {
return parent::get_gallery($gallery_name, $getChildGalleries);
}
}示例14: validate_image
function validate_image($data, $size = '', $hlimit = '', $vlimit = '')
{
$exts = array('gif', 'jpg', 'jpeg', 'png');
$fname = $data['name'];
$tmpname = $data['tmp_name'];
$ext = preg_replace('/.*\\./', '', $fname);
$res = '';
// Check the image extension
$res = 0;
foreach ($exts as $key) {
$res |= preg_match('/^' . $key . '$/', $ext);
}
if ($res) {
$image_size = GetImageSize($tmpname);
$w = $image_size[0];
$h = $image_size[1];
$r = validate_image_cmpiterator($data['size'], $size, 'Размер', 1, 'байт');
if ($r != '') {
return $r;
}
$r = validate_image_cmpiterator($w, $hlimit, 'Ширина', 0, 'пикселей');
if ($r != '') {
return $r;
}
$r = validate_image_cmpiterator($h, $vlimit, 'Высота', 0, 'пикселей');
if ($r != '') {
return $r;
}
return '';
} else {
return 'Поддерживаются только следующие расширения файлов: gif, jpg, jpeg, png.';
}
}示例15: login
function login($type = "")
{
$this->obj->db->where('app_users_list.username', $this->obj->input->post('email'));
$this->obj->db->where('password', $this->_prep_password($this->obj->input->post('password')));
$this->obj->db->where('status_active', '1');
$this->obj->db->join('app_users_profile', 'app_users_profile.id=app_users_list.id', 'right');
$this->obj->db->limit(1);
$Q = $this->obj->db->get($this->table);
if ($Q->num_rows() > 0) {
$user = $Q->row();
$this->_start_session($user);
$this->obj->db->where('id', $this->obj->session->userdata('id'));
$p = $this->obj->db->get($this->table_profile);
$profile = $p->row();
if ($profile->avatar != "" && @GetImageSize($profile->avatar)) {
$profile->avatar = $profile->avatar;
} else {
$profile->avatar = base_url() . "media/images/profile.jpeg";
}
$profile = array('avatar' => $profile->avatar, 'name_display' => $profile->name_display);
$this->obj->session->set_userdata($profile);
$this->obj->db->update('app_users_list', array('online' => 1, 'last_login' => time()), array('id' => $user->id));
$this->_log($type . ' Login successful...');
$this->obj->session->set_flashdata('notification', 'Login successful...');
return true;
} else {
$this->_destroy_session();
$this->_log($type . ' Login failed...');
$this->obj->session->set_flashdata('notification', 'Login failed...');
return false;
}
}