<?php
/**
* Copyright 2014 Shop-Wiz.Com.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License. You may obtain
* a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
*
* This Image Class Form WaterMark(Text or Image) and ThumbNail Image (various Postion)
*/
class Class_image{
public $imagepad = array("x"=>20, "y"=>20);
public $font = array("x"=>0, "y"=>0, "size"=>15, "color"=>array("0"=>array("0","0","0"), "1"=>array("255","255","255")), "path"=>"./samples/arial.ttf");
// public $savefile = false;
function Class_image()
{
}
/**
* Create Text WaterMarking
* @param $params Array
* $params = array("src"=>source/image/path/filename, "text"=>"what you want write on image", "savepath"=>"./path/saved filename", "imagedst"=>array("x"=>0, "y=>0"))
* imagedst : text start position
*/
public function impressWaterMark($params) {
$src = $this->get_image_info($params["src"]);
$src_x = imagesx($src["image"]);
$src_y = imagesy($src["image"]);
$dst_x = $params["imagedst"]["x"] ? $params["imagedst"]["x"] : $src_x;
$dst_y = $params["imagedst"]["y"] ? $params["imagedst"]["y"] : $src_y;
// if a string is null, quit process after making images
if($params["text"] === null) {
switch($src["format"]){
case 1: imagegif($src["image"]); break; # gif
case 2: imagejpeg($src["image"]); break; # jpg
case 3: imagepng($src["image"]); break; # png
}
imagedestroy($dst_im);
return;
}
//Create Out put images
$dst_im = @imagecreatetruecolor($dst_x, $dst_y);
if (empty($dst_im)) return false;
$background_color = @imagecolorallocate($dst_im, 255, 255, 255);
if (empty($background_color)) return false;
imagefilledrectangle($dst_im, 0, 0, $dst_x, $dst_y, $background_color);
//Create Font Box
$_font_size = imagettfbbox($this->font["size"],50,$this->font["path"],$params["text"]);
//imagettfbbox ( float $size , float $angle , string $fontfile , string $text )
$dx = abs($_font_size[2]-$_font_size[0]);
$dy = abs($_font_size[5]-$_font_size[3]);
//Make Font Output position
$font_x = $this->font["x"] ? $this->font["x"] : (int)($this->imagepad["x"] / 2);
$font_y = $this->font["y"] ? $this->font["y"] : $dy+(int)($this->imagepad["y"] / 2);
//if font color is various
foreach($this->font["color"] as $key=>$value){
$color_R = $value[0];
$color_G = $value[1];
$color_B = $value[2];
$Fontshift = $key*(-1);
$fontColor = imagecolorallocate($dst_im,$color_R,$color_G,$color_B);
imagettftext($src["image"],$this->font["size"],0,$font_x+$Fontshift,$font_y+$Fontshift,$fontColor,$this->font["path"],$params["text"]);
}
imagecopyresampled($dst_im, $src["image"],0, 0, 0, 0, $dst_x, $dst_y, $src_x, $src_y);
switch($src["format"]){
case 1: #gif
if($params["savepath"]) @imagegif($dst_im, $params["savepath"]);
else @imagegif($dst_im);
break;
case 2: #jpg
if($params["savepath"]) @imagejpeg($dst_im, $params["savepath"]);
else @imagejpeg($dst_im);
break;
case 3: #png
if($params["savepath"]) @imagepng($dst_im, $params["savepath"]);
else @imagepng($dst_im);
break;
}
chmod($params["savepath"], 0606);
imagedestroy($dst_im);
imagedestroy($src["image"]);
}
/**
* Create Image WaterMarking
* @param $params Array
* $params = array ("src"=>Source Image,"logo"=>Logo Image(Watermarker ThumbImage) (transparent GIF or Png recommanded), "savepath"=>"./path/saved filename", "quality"=>"Image Quality")
* quality : level 0 to 9
*/
public function imageWaterMaking($params){ ##
##
// print_r($params);
//exit;
$src = $this->get_image_info($params["src"]);
$logo = $this->get_image_info($params["logo"]);
# get expected position of logo
$position_x = ($src["width"] - $logo["width"]) / 2;
$position_y = ($src["height"] - $logo["height"]) / 3 * 2.5;
#
imagecopyresized($src["image"], $logo["image"], $position_x, $position_y, 0, 0, imagesx($logo["image"]), imagesy($logo["image"]), imagesx($logo["image"]), imagesy($logo["image"]));
switch($src["format"]){
case 1 : $result = @imagegif($src["image"], $params["savepath"], $params["quality"]);break;
case 2 : $result = @imagejpeg($src["image"], $params["savepath"], $params["quality"]);break;
case 3 : $result = @imagepng($src["image"], $params["savepath"], $params["quality"]);break;
default : $result = false;
}
$rtn["result"] = $result;
return $rtn;
}
/**
* @param array $params Infomation of source image
* $param = array("sourcefile"=>"/path/filename", "savepath"=>"./path/filename", "max_width"=>"max value of thumbnail'width", "max_height"=>"max value of thumbnail'height");
* getthumbimg method check if thumb image is, if it exists return images else create thumbimage
*
*/
public function thumbnail($params){
$src = $this->get_image_info($params["sourcefile"]);
## max_width or max_height zero means as big as original image's width or hegith size
if($params["max_width"] == 0 && $src["height"] > $params["max_height"] )
$params["max_width"] = ceil(($params["max_height"] * $src["width"]) / $src["height"]);
else if($params["max_height"] == 0 && $src["width"] > $params["max_width"])
$params["max_height"] = ceil(($params["max_width"] * $src["height"]) / $src["width"]);
//After examin whether image size is bigger than max,
if($src["width"] > $params["max_width"] || $src["height"] > $params["max_height"]){
if($src["width"] == $src["height"])
{
$dst_width = $params["max_width"];
$dst_height = $params["max_height"];
}elseif($src["width"] > $src["height"]){
$dst_width = $params["max_width"];
$dst_height = ceil(($params["max_width"] / $src["width"]) * $src["height"]);
}else{
$dst_height = $params["max_height"];
$dst_width = ceil(($params["max_height"] / $src["height"]) * $src["width"]);
}
}else{
$dst_width = $src["width"];
$dst_height = $src["height"];
}
##
$srcx = $dst_width < $params["max_width"] ? ceil(($params["max_width"] - $dst_width)/2) : 0;
$srcy = $dst_height < $params["max_height"] ? ceil(($params["max_height"] - $dst_height)/2) : 0;
if($src["format"] == 1)
{
$dst_img = imagecreate($params["max_width"], $params["max_height"]);
}else{
$dst_img = imagecreatetruecolor($params["max_width"], $params["max_height"]);
}
$bgc = imagecolorallocate($dst_img, 255, 255, 255);
##
imagefilledrectangle($dst_img, 0, 0, $params["max_width"], $params["max_height"], $bgc);
##
imagecopyresampled($dst_img, $src["image"], $srcx, $srcy, 0, 0, $dst_width, $dst_height, imagesx($src["image"]),imagesy($src["image"]));
switch($src["format"]){
case (1):
imageinterlace($dst_img);
imagegif($dst_img, $params["savepath"]);
break;
case (2):
imageinterlace($dst_img);
imagejpeg($dst_img, $params["savepath"],85);
break;
case (3):
imagepng($dst_img, $params["savepath"]);
break;
case (6):
imagebmp($dst_img, $params["savepath"]);
break;
case (15):
imagewbmp($dst_img, $params["savepath"]);
break;
}
ImageDestroy($dst_img);
ImageDestroy($src["image"]);
print_r($params);
//exit;
//return $save_filename;
}
/**
* Crop Images From Center
* @param $params
* $params = array("width"=>"crop width", "height"=>"coop height", "sourcefile"=>"source filepath/filenmae", "desc"=>"desc filepath/filenmae")
* $params = array("width"=>"crop width", "height"=>"coop height", "sourcefile"=>"source filepath/filenmae", "desc"=>"desc filepath/filenmae", "resize"=>true, "resize_w"=>"", "resize_h"=>"")
*/
public function cropcenter($params){
$src = $this->get_image_info($params["sourcefile"]);
//if params["resize"] is true, crop image after resizing source image
if($params["resize"]==true){
$dst_width = $resize_w;
$dst_height = $resize_h;
}else{
if($src["width"] > $params["width"]) {
$sc_x = ceil(($src["width"]-$params["width"])/2);
$dst_width = $params["width"];
}else{
$sc_x = 0;
$dst_width = $src["width"];
}
if($src["height"] > $params["height"]) {
$sc_y = ceil(($src["height"]-$params["height"])/2);
$dst_height = $params["height"];
}else{
$sc_y = 0;
$dst_height = $src["height"];
}
}
if($src["format"] == 1)
{
$dst_img = imagecreate($dst_width, $dst_height);
}else{
$dst_img = imagecreatetruecolor($dst_width, $dst_height);
}
$bgc = imagecolorallocate($dst_img, 255, 255, 255);
imagefilledrectangle($dst_img, 0, 0, $dst_width, $dst_height, $bgc);
imagecopyresampled($dst_img, $src["image"], 0, 0, $sc_x, $sc_y, $dst_width, $dst_height, $dst_width, $dst_height);
imagepng($dst_img, $params["desc"]);
ImageDestroy($dst_img);
ImageDestroy($src["image"]);
return true;
}
/**
* Conver Format
* @param $params Array
* $params = array("type" => "format chaning to(gif, jpeg)", "src"=>"path/from/sourcefile", "desc"=>"path/to/desc file");
*/
public function convertformat($params){
$src = $this->get_image_info($params["src"]);
if($src["format"] == 1)
{
$dst_img = imagecreate($src["width"], $src["height"]);
}else{
$dst_img = imagecreatetruecolor($src["width"], $src["height"]);
}
$bgc = imagecolorallocate($dst_img, 255, 255, 255);
imagefilledrectangle($dst_img, 0, 0, $src["width"], $src["width"], $bgc);
imagecopyresampled($dst_img, $src["image"], 0, 0, 0, 0, $src["width"], $src["height"], $src["width"], $src["height"]);
switch($params["type"]){
case ("gif"):
imageinterlace($dst_img);
imagegif($dst_img, $params["desc"]);
break;
case ("jpeg"):
imageinterlace($dst_img);
imagejpeg($dst_img, $params["desc"]); //ImageJPEG($dst_img, $params["savepath"].$save_filename);
break;
case ("png"):
imagepng($dst_img, $params["desc"]);
break;
case ("bmp"):
imagebmp($dst_img, $params["desc"]);
break;
case ("wbmp"):
imagewbmp($dst_img, $params["desc"]);
break;
}
ImageDestroy($dst_img);
ImageDestroy($src["image"]);
return true;
}
/**
* @param array $params Infomation of source image
* $param = array(path=>"/path/", filename=>"filename", width=>"thnumnail width", height=>"thumbnail height", default=>"/path/default_filename");
* getthumbimg method check if thumb image is, if it exists return images else create thumbimage
*
*/
public function getthumbimg($params){
$source = $params["path"].$params["filename"];
if(is_file($source)){
$thumbnailpath = $params["path"]."thumb/".$params["width"]."_".$params["height"];
$thumfullpath = $params["path"]."thumb/".$params["width"]."_".$params["height"]."/".$params["filename"].".thumb";
if(!is_file($thumfullpath)){
$thumfilename = $params["filename"].".thumb";
//Create File Save Path : Modify this part depend on your program
$this->mkfolder($params["path"]."thumb");
$this->mkfolder($params["path"]."thumb/".$params["width"]."_".$params["height"]);
$args = array("sourcefile"=>$source, "savepath"=>$thumbnailpath, "max_width"=>$params["width"], "max_height"=>$params["height"]);
$this->thumbnail($args);
}
return $thumfullpath;
}else{
return $params["default"];//default images return;
}
}
/**
* Create folder
* @return boolean true (folder exists or creating folder is success)
*/
private function mkfolder($path){## 폴더 생성
if(!is_dir($path)){
$result = @mkdir($path, 0755);
if(!$result) return false;
else return true;
}else return true;
}
/**
* get image type and create image to each each image type
* @param String Source Image path and name
*/
private function get_image_info($src){
$img_info = getImageSize($src);//[0] width, [1] height, [2] type, [3] attr
$rtn["width"] = $img_info[0];
$rtn["height"] = $img_info[1];
$rtn["format"] = $img_info[2];
switch($img_info[2]){
case (1):$rtn["image"] = ImageCreateFromGif($src);break;
case (2):$rtn["image"] = ImageCreateFromJPEG($src);break;
case (3):$rtn["image"] = ImageCreateFromPNG($src);break;
case (6):$rtn["image"] = imagecreatefrombmp($src);break;
case (15):$rtn["image"] = imagecreatefromwbmp($src);break;
default:$rtn["image"] = false;break;
}
return $rtn;
}
}
/**
* Creates function imagecreatefrombmp, since PHP doesn't have one
* @return resource An image identifier, similar to imagecreatefrompng
* @param string $filename Path to the BMP image
* @see imagecreatefrompng
* @author Glen Solsberry <glens@networldalliance.com>
*/
if (!function_exists("imagecreatefrombmp")) {
function imagecreatefrombmp( $p_sFile ) {
$file = fopen($p_sFile,"rb");
$read = fread($file,10);
while(!feof($file)&&($read<>""))
$read .= fread($file,1024);
$temp = unpack("H*",$read);
$hex = $temp[1];
$header = substr($hex,0,108);
if (substr($header,0,4)=="424d")
{
$header_parts = str_split($header,2);
$width = hexdec($header_parts[19].$header_parts[18]);
$height = hexdec($header_parts[23].$header_parts[22]);
unset($header_parts);
}
$x = 0;
$y = 1;
$image = imagecreatetruecolor($width,$height);
$body = substr($hex,108);
$body_size = (strlen($body)/2);
$header_size = ($width*$height);
$usePadding = ($body_size>($header_size*3)+4);
for ($i=0;$i<$body_size;$i+=3)
{
if ($x>=$width)
{
if ($usePadding)
$i += $width%4;
$x = 0;
$y++;
if ($y>$height)
break;
}
$i_pos = $i*2;
$r = hexdec($body[$i_pos+4].$body[$i_pos+5]);
$g = hexdec($body[$i_pos+2].$body[$i_pos+3]);
$b = hexdec($body[$i_pos].$body[$i_pos+1]);
$color = imagecolorallocate($image,$r,$g,$b);
imagesetpixel($image,$x,$height-$y,$color);
$x++;
}
unset($body);
return $image;
}
}
if (!function_exists("imagebmp")) {
function imagebmp ($im, $fn = false)
{
if (!$im) return false;
if ($fn === false) $fn = 'php://output';
$f = fopen ($fn, "w");
if (!$f) return false;
//Image dimensions
$biWidth = imagesx ($im);
$biHeight = imagesy ($im);
$biBPLine = $biWidth * 3;
$biStride = ($biBPLine + 3) & ~3;
$biSizeImage = $biStride * $biHeight;
$bfOffBits = 54;
$bfSize = $bfOffBits + $biSizeImage;
//BITMAPFILEHEADER
fwrite ($f, 'BM', 2);
fwrite ($f, pack ('VvvV', $bfSize, 0, 0, $bfOffBits));
//BITMAPINFO (BITMAPINFOHEADER)
fwrite ($f, pack ('VVVvvVVVVVV', 40, $biWidth, $biHeight, 1, 24, 0, $biSizeImage, 0, 0, 0, 0));
$numpad = $biStride - $biBPLine;
for ($y = $biHeight - 1; $y >= 0; --$y)
{
for ($x = 0; $x < $biWidth; ++$x)
{
$col = imagecolorat ($im, $x, $y);
fwrite ($f, pack ('V', $col), 3);
}
for ($i = 0; $i < $numpad; ++$i)
fwrite ($f, pack ('C', 0));
}
fclose ($f);
return true;
}
}
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