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author | Mike Macgirvin <mike@macgirvin.com> | 2010-07-01 16:48:07 -0700 |
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committer | Mike Macgirvin <mike@macgirvin.com> | 2010-07-01 16:48:07 -0700 |
commit | 6348e70daa113e8b3203de8fbc919d08c90d972e (patch) | |
tree | 1bc3dd3bc85fe6136411086785cf6753960e22f9 /include/Photo.php | |
download | volse-hubzilla-6348e70daa113e8b3203de8fbc919d08c90d972e.tar.gz volse-hubzilla-6348e70daa113e8b3203de8fbc919d08c90d972e.tar.bz2 volse-hubzilla-6348e70daa113e8b3203de8fbc919d08c90d972e.zip |
Initial checkin
Diffstat (limited to 'include/Photo.php')
-rw-r--r-- | include/Photo.php | 171 |
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; + } + + +}} + |