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authorMike Macgirvin <mike@macgirvin.com>2010-07-01 16:48:07 -0700
committerMike Macgirvin <mike@macgirvin.com>2010-07-01 16:48:07 -0700
commit6348e70daa113e8b3203de8fbc919d08c90d972e (patch)
tree1bc3dd3bc85fe6136411086785cf6753960e22f9 /include/Photo.php
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Initial checkin
Diffstat (limited to 'include/Photo.php')
-rw-r--r--include/Photo.php171
1 files changed, 171 insertions, 0 deletions
diff --git a/include/Photo.php b/include/Photo.php
new file mode 100644
index 000000000..95ccccc88
--- /dev/null
+++ b/include/Photo.php
@@ -0,0 +1,171 @@
+<?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;
+ }
+
+
+}}
+