friendica-github/include/Photo.php
2010-08-04 20:03:38 -07:00

198 lines
4.2 KiB
PHP

<?php
if(! class_exists("Photo")) {
class Photo {
private $image;
private $width;
private $height;
public function __construct($data) {
$this->image = @imagecreatefromstring($data);
if($this->image !== FALSE) {
$this->width = imagesx($this->image);
$this->height = imagesy($this->image);
}
}
public function __destruct() {
if($this->image)
imagedestroy($this->image);
}
public function getWidth() {
return $this->width;
}
public function getHeight() {
return $this->height;
}
public function getImage() {
return $this->image;
}
public function scaleImage($max) {
$width = $this->width;
$height = $this->height;
$dest_width = $dest_height = 0;
if((! $width)|| (! $height))
return FALSE;
if($width > $max && $height > $max) {
if($width > $height) {
$dest_width = $max;
$dest_height = intval(( $height * $max ) / $width);
}
else {
$dest_width = intval(( $width * $max ) / $height);
$dest_height = $max;
}
}
else {
if( $width > $max ) {
$dest_width = $max;
$dest_height = intval(( $height * $max ) / $width);
}
else {
if( $height > $max ) {
$dest_width = intval(( $width * $max ) / $height);
$dest_height = $max;
}
else {
$dest_width = $width;
$dest_height = $height;
}
}
}
$dest = imagecreatetruecolor( $dest_width, $dest_height );
imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dest_width, $dest_height, $width, $height);
if($this->image)
imagedestroy($this->image);
$this->image = $dest;
$this->width = imagesx($this->image);
$this->height = imagesy($this->image);
}
public function scaleImageUp($min) {
$width = $this->width;
$height = $this->height;
$dest_width = $dest_height = 0;
if((! $width)|| (! $height))
return FALSE;
if($width < $min && $height < $min) {
if($width > $height) {
$dest_width = $min;
$dest_height = intval(( $height * $min ) / $width);
}
else {
$dest_width = intval(( $width * $min ) / $height);
$dest_height = $min;
}
}
else {
if( $width < $min ) {
$dest_width = $min;
$dest_height = intval(( $height * $min ) / $width);
}
else {
if( $height < $min ) {
$dest_width = intval(( $width * $min ) / $height);
$dest_height = $min;
}
else {
$dest_width = $width;
$dest_height = $height;
}
}
}
$dest = imagecreatetruecolor( $dest_width, $dest_height );
imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dest_width, $dest_height, $width, $height);
if($this->image)
imagedestroy($this->image);
$this->image = $dest;
$this->width = imagesx($this->image);
$this->height = imagesy($this->image);
}
public function scaleImageSquare($dim) {
$dest = imagecreatetruecolor( $dim, $dim );
imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dim, $dim, $this->width, $this->height);
if($this->image)
imagedestroy($this->image);
$this->image = $dest;
$this->width = imagesx($this->image);
$this->height = imagesy($this->image);
}
public function cropImage($max,$x,$y,$w,$h) {
$dest = imagecreatetruecolor( $max, $max );
imagecopyresampled($dest, $this->image, 0, 0, $x, $y, $max, $max, $w, $h);
if($this->image)
imagedestroy($this->image);
$this->image = $dest;
$this->width = imagesx($this->image);
$this->height = imagesy($this->image);
}
public function saveImage($path) {
imagejpeg($this->image,$path,100);
}
public function imageString() {
ob_start();
imagejpeg($this->image,NULL,100);
$s = ob_get_contents();
ob_end_clean();
return $s;
}
public function store($uid, $cid, $rid, $filename, $album, $scale, $profile = 0) {
$r = q("INSERT INTO `photo`
( `uid`, `contact-id`, `resource-id`, `created`, `edited`, `filename`, `album`, `height`, `width`, `data`, `scale`, `profile` )
VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', %d, %d )",
intval($uid),
intval($cid),
dbesc($rid),
dbesc(datetime_convert()),
dbesc(datetime_convert()),
dbesc(basename($filename)),
dbesc($album),
intval($this->height),
intval($this->width),
dbesc($this->imageString()),
intval($scale),
intval($profile)
);
return $r;
}
}}