9ff50bd47d
LCARS is a template for the GetSimple CMS that mimics the monitor appearance in the television series Star Trek: The Next Generation
312 lines
8.8 KiB
PHP
312 lines
8.8 KiB
PHP
<?php if(!defined('IN_GS')){ die('you cannot load this page directly.'); }
|
|
|
|
/**
|
|
* Generate standard thumbnails
|
|
* @param string $path path to image
|
|
* @param string $name file name
|
|
* @uses GD
|
|
*/
|
|
|
|
function genStdThumb($path,$name){
|
|
|
|
//gd check
|
|
$php_modules = get_loaded_extensions();
|
|
if(!in_arrayi('gd', $php_modules)) return;
|
|
|
|
if (!defined('GSIMAGEWIDTH')) {
|
|
$width = 200; //New width of image
|
|
} else {
|
|
$width = GSIMAGEWIDTH;
|
|
}
|
|
|
|
$ext = lowercase(pathinfo($name,PATHINFO_EXTENSION));
|
|
|
|
if ($ext == 'jpg' || $ext == 'jpeg' || $ext == 'gif' || $ext == 'png' ) {
|
|
|
|
$thumbsPath = GSTHUMBNAILPATH.$path;
|
|
|
|
if (!(file_exists($thumbsPath))) {
|
|
if (defined('GSCHMOD')) {
|
|
$chmod_value = GSCHMOD;
|
|
} else {
|
|
$chmod_value = 0755;
|
|
}
|
|
echo $thumbsPath;
|
|
mkdir($thumbsPath, $chmod_value);
|
|
}
|
|
}
|
|
|
|
$targetFile = GSDATAUPLOADPATH.$path.$name;
|
|
|
|
//thumbnail for post
|
|
$imgsize = getimagesize($targetFile);
|
|
|
|
switch($ext){
|
|
case "jpeg":
|
|
case "jpg":
|
|
$image = imagecreatefromjpeg($targetFile);
|
|
break;
|
|
case "png":
|
|
$image = imagecreatefrompng($targetFile);
|
|
break;
|
|
case "gif":
|
|
$image = imagecreatefromgif($targetFile);
|
|
break;
|
|
default:
|
|
return;
|
|
break;
|
|
}
|
|
|
|
$height = $imgsize[1]/$imgsize[0]*$width; //This maintains proportions
|
|
|
|
$src_w = $imgsize[0];
|
|
$src_h = $imgsize[1];
|
|
|
|
$picture = imagecreatetruecolor($width, $height);
|
|
imagealphablending($picture, false);
|
|
imagesavealpha($picture, true);
|
|
$bool = imagecopyresampled($picture, $image, 0, 0, 0, 0, $width, $height, $src_w, $src_h);
|
|
|
|
if($bool) {
|
|
$thumbnailFile = $thumbsPath . "thumbnail." . $name;
|
|
|
|
switch(lowercase(substr($targetFile, -3))) {
|
|
case "jpg":
|
|
$bool2 = imagejpeg($picture,$thumbnailFile,85);
|
|
break;
|
|
case "png":
|
|
imagepng($picture,$thumbnailFile);
|
|
break;
|
|
case "gif":
|
|
imagegif($picture,$thumbnailFile);
|
|
break;
|
|
}
|
|
}
|
|
|
|
imagedestroy($picture);
|
|
imagedestroy($image);
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
/**
|
|
* ImageManipulation
|
|
*
|
|
* @author Tech @ Talk In Code
|
|
* @link http://www.talkincode.com/
|
|
* @version 1.0
|
|
* @copyright 2009 Talk In Code
|
|
*
|
|
* @package GetSimple
|
|
* @subpackage Images
|
|
* @uses GD
|
|
*/
|
|
class ImageManipulation {
|
|
|
|
/**
|
|
* An array to hold the settings for the image. Default values for
|
|
* images are set here.
|
|
*
|
|
* @var array
|
|
*/
|
|
public $image = array('targetx'=>0,
|
|
'targety'=>0,
|
|
'quality'=>75);
|
|
|
|
/**
|
|
* A boolean value to detect if an image has not been created. This
|
|
* can be used to validate that an image is viable before trying
|
|
* resize or crop.
|
|
*
|
|
* @var boolean
|
|
*/
|
|
public $imageok = false;
|
|
|
|
/**
|
|
* Contructor method. Will create a new image from the target file.
|
|
* Accepts an image filename as a string. Method also works out how
|
|
* big the image is and stores this in the $image array.
|
|
*
|
|
* @param string $imgFile The image filename.
|
|
*/
|
|
public function ImageManipulation($imgfile)
|
|
{
|
|
//detect image format
|
|
$this->image["format"] = preg_replace("/.*\.(.*)$/", "\\1", $imgfile);
|
|
$this->image["format"] = strtoupper($this->image["format"]);
|
|
|
|
// convert image into usable format.
|
|
if ( $this->image["format"] == "JPG" || $this->image["format"] == "JPEG" ) {
|
|
//JPEG
|
|
$this->image["format"] = "JPEG";
|
|
$this->image["src"] = ImageCreateFromJPEG($imgfile);
|
|
} elseif( $this->image["format"] == "PNG" ){
|
|
//PNG
|
|
$this->image["format"] = "PNG";
|
|
$this->image["src"] = imagecreatefrompng($imgfile);
|
|
} elseif( $this->image["format"] == "GIF" ){
|
|
//GIF
|
|
$this->image["format"] = "GIF";
|
|
$this->image["src"] = ImageCreateFromGif($imgfile);
|
|
} elseif ( $this->image["format"] == "WBMP" ){
|
|
//WBMP
|
|
$this->image["format"] = "WBMP";
|
|
$this->image["src"] = ImageCreateFromWBMP($imgfile);
|
|
} else {
|
|
//DEFAULT
|
|
return false;
|
|
}
|
|
|
|
// Image is ok
|
|
$this->imageok = true;
|
|
|
|
// Work out image size
|
|
$this->image["sizex"] = imagesx($this->image["src"]);
|
|
$this->image["sizey"] = imagesy($this->image["src"]);
|
|
}
|
|
|
|
/**
|
|
* Sets the height of the image to be created. The width of the image
|
|
* is worked out depending on the value of the height.
|
|
*
|
|
* @param int $height The height of the image.
|
|
*/
|
|
public function setImageHeight($height=100)
|
|
{
|
|
//height
|
|
$this->image["sizey_thumb"] = $height;
|
|
$this->image["sizex_thumb"] = ($this->image["sizey_thumb"]/$this->image["sizey"])*$this->image["sizex"];
|
|
}
|
|
|
|
/**
|
|
* Sets the width of the image to be created. The height of the image
|
|
* is worked out depending on the value of the width.
|
|
*
|
|
* @param int $size The width of the image.
|
|
*/
|
|
public function setImageWidth($width=100)
|
|
{
|
|
//width
|
|
$this->image["sizex_thumb"] = $width;
|
|
$this->image["sizey_thumb"] = ($this->image["sizex_thumb"]/$this->image["sizex"])*$this->image["sizey"];
|
|
}
|
|
|
|
/**
|
|
* This method automatically sets the width and height depending
|
|
* on the dimensions of the image up to a maximum value.
|
|
*
|
|
* @param int $size The maximum size of the image.
|
|
*/
|
|
public function resize($size=100)
|
|
{
|
|
if ( $this->image["sizex"] >= $this->image["sizey"] ) {
|
|
$this->image["sizex_thumb"] = $size;
|
|
$this->image["sizey_thumb"] = ($this->image["sizex_thumb"]/$this->image["sizex"])*$this->image["sizey"];
|
|
} else {
|
|
$this->image["sizey_thumb"] = $size;
|
|
$this->image["sizex_thumb"] = ($this->image["sizey_thumb"]/$this->image["sizey"])*$this->image["sizex"];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This method sets the cropping values of the image. Be sure
|
|
* to set the height and with of the image if you want the
|
|
* image to be a certain size after cropping.
|
|
*
|
|
* @param int $x The x coordinates to start cropping from.
|
|
* @param int $y The y coordinates to start cropping from.
|
|
* @param int $w The width of the crop from the x and y coordinates.
|
|
* @param int $h The height of the crop from the x and y coordinates.
|
|
*/
|
|
public function setCrop($x, $y, $w, $h)
|
|
{
|
|
$this->image["targetx"] = $x;
|
|
$this->image["targety"] = $y;
|
|
$this->image["sizex"] = $w;
|
|
$this->image["sizey"] = $h;
|
|
}
|
|
|
|
/**
|
|
* Sets the JPEG output quality.
|
|
*
|
|
* @param int $quality The quality of the JPEG image.
|
|
*/
|
|
public function setJpegQuality($quality=75)
|
|
{
|
|
//jpeg quality
|
|
$this->image["quality"] = $quality;
|
|
}
|
|
|
|
/**
|
|
* Shows the image to a browser. Sets the correct image format in a header.
|
|
*/
|
|
public function show()
|
|
{
|
|
//show thumb
|
|
header("Content-Type: image/".$this->image["format"]);
|
|
|
|
$this->createResampledImage();
|
|
|
|
if ( $this->image["format"]=="JPG" || $this->image["format"]=="JPEG" ) {
|
|
//JPEG
|
|
imageJPEG($this->image["des"], "", $this->image["quality"]);
|
|
} elseif ( $this->image["format"] == "PNG" ) {
|
|
//PNG
|
|
imagePNG($this->image["des"]);
|
|
} elseif ( $this->image["format"] == "GIF" ) {
|
|
//GIF
|
|
imageGIF($this->image["des"]);
|
|
} elseif ( $this->image["format"] == "WBMP" ) {
|
|
//WBMP
|
|
imageWBMP($this->image["des"]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Private method to run the imagecopyresampled() function with the parameters that have been set up.
|
|
* This method is used by the save() and show() methods.
|
|
*/
|
|
private function createResampledImage()
|
|
{
|
|
/* change ImageCreateTrueColor to ImageCreate if your GD not supported ImageCreateTrueColor function*/
|
|
if ( isset($this->image["sizex_thumb"]) && isset($this->image["sizey_thumb"]) ) {
|
|
$this->image["des"] = ImageCreateTrueColor($this->image["sizex_thumb"], $this->image["sizey_thumb"]);
|
|
imagecopyresampled($this->image["des"], $this->image["src"], 0, 0, $this->image["targetx"], $this->image["targety"], $this->image["sizex_thumb"], $this->image["sizey_thumb"], $this->image["sizex"], $this->image["sizey"]);
|
|
} else {
|
|
$this->image["des"] = ImageCreateTrueColor($this->image["sizex"], $this->image["sizey"]);
|
|
imagecopyresampled($this->image["des"], $this->image["src"], 0, 0, $this->image["targetx"], $this->image["targety"], $this->image["sizex"], $this->image["sizey"], $this->image["sizex"], $this->image["sizey"]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Saves the image to a given filename, if no filename is given then a default is created.
|
|
*
|
|
* @param string $save The new image filename.
|
|
*/
|
|
public function save($save="")
|
|
{
|
|
//save thumb
|
|
if ( empty($save) ) {
|
|
$save = strtolower("./thumb.".$this->image["format"]);
|
|
}
|
|
header("Content-Type: image/".$this->image["format"]);
|
|
$this->createResampledImage();
|
|
|
|
if ( $this->image["format"] == "JPG" || $this->image["format"] == "JPEG" ) {
|
|
//JPEG
|
|
imageJPEG($this->image["des"], $save, $this->image["quality"]);
|
|
} elseif ( $this->image["format"] == "PNG" ) {
|
|
//PNG
|
|
imagePNG($this->image["des"], $save);
|
|
} elseif ( $this->image["format"] == "GIF" ) {
|
|
//GIF
|
|
imageGIF($this->image["des"], $save);
|
|
} elseif ( $this->image["format"] == "WBMP" ) {
|
|
//WBMP
|
|
imageWBMP($this->image["des"], $save);
|
|
}
|
|
|
|
header("Content-Type: text/html");
|
|
}
|
|
} |