Add Chinese and image watermark code to php images

Add Chinese and image watermark code to php images_PHP tutorial

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Release： 2016-07-13 10:45:45

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$ico_pic is the watermark image you want to add watermark to the image. The other parameters are explained in detail. If you are looking for this kind of code, you can download it and save it as a php file and then use the calling method mentioned later to call this generation. Watermark image code.

$ico_pic is the watermark image you want to add watermark to the image. The other parameters are explained in detail. If you are looking for this kind of code, you can download and save it as a php tutorial file and then use the calling method mentioned later to call this Generate watermark image code.
*/

class smallpic{

private $src_pic;//original picture
private $ico_pic = "003.png";//watermark
Private $ico_text = "Watermark";//Watermark text
private $small_width;//Thumbnail width
private $small_height;//Thumbnail height
private $is_ico_pic = true;//Whether to add image watermark
private $is_text = true;//Whether to add text watermark
Private $src_x = 20;//The watermark is at the x coordinate of the original image
Private $src_y = 20;//The watermark is at the y coordinate of the original image
Private $ut = "utf-8";//Text encoding
Private $font_color = "#990000";//Text watermark color
Private $samll_pic_name = "smallpic";//The name of the small picture
Private $big_pic_name = "bigpic";//The name of the big picture

function __construct($src_pic,$small_width,$small_height){
$this->checkfile($src_pic);
$this->checkfile($this->ico_pic);
$this->src_pic = $src_pic;
$this->small_width = $small_width;
$this->small_height = $small_height;
}

private function __get($property_name){
Return $this->$property_name;
}

private function __set($property_name,$value){
Return $this->$property_name = $value;
}

/**
* Get some basic information about the image, type is array
*/
function getimageinfo($image){
Return @getimagesize($image);
}

/**
* Load images into php
* $image passed in image
*/
function getimage($image){
$image_info = $this->getimageinfo($image);
switch($image_info[2]){
case 1:
$img = @imagecreatefromgif($image);
Break;
case 2:
$img = @imagecreatefromjpeg($image);
Break;
case 3:
$img = @imagecreatefrompng($image);
Break;
}
return $img;
}

function createimageforsuffix($big_pic,$new_pic){
$image_info = $this->getimageinfo($this->src_pic);
switch($image_info[2]){
case 1:
//Output large image
@imagegif($big_pic,$this->big_pic_name.".gif");
//Output thumbnail
@imagegif($new_pic,$this->samll_pic_name.".gif");
Break;
case 2:
//Output large image
@imagejpeg($big_pic,$this->big_pic_name.".jpg");
//Output thumbnail
@imagejpeg($new_pic,$this->samll_pic_name.".jpg");
Break;
case 3:
//Output large image
@imagepng($big_pic,$this->big_pic_name.".png");
//Output thumbnail
@imagepng($new_pic,$this->samll_pic_name.".png");
Break;
}
}

function checkfile($file){
if(!file_exists($file)){
Die("Picture:".$file."Does not exist!");
}
}

function createsmallimage(){
$big_pic = $this->getimage($this->src_pic);
$big_pic_info = $this->getimageinfo($this->src_pic);
$new_pic = $this->getimage($this->ico_pic);
$new_pic_info = $this->getimageinfo($this->ico_pic);
$rgb = $this->convcolor();

//Determine whether to scale according to the width ratio or the height ratio
if($big_pic_info[0] > $big_pic_info[1]){
$ratio = $this->small_width/(int)$big_pic_info[0];
$small_pic_width = $this->small_width;
$small_pic_height = (int)($big_pic_info[1]*$ratio);
}else{
$ratio = $this->small_height/(int)$big_pic_info[1];
$small_pic_height = $this->small_height;
$small_pic_width = (int)($big_pic_info[0]*$ratio);
}

//echo $small_pic_width = (int)($big_pic_info[0]*$ratio);
//echo $small_pic_height = (int)($big_pic_info[1]*$ratio);

//Whether to watermark the image
if ($this->is_ico_pic){
//Put picture watermark
@imagecopy($big_pic,$new_pic,$this->src_x,$this->src_y,0,0,$new_pic_info[0],$new_pic_info[1]);
}
//Whether to print text watermark
if ($this->is_text){
//Set text color
$text_color = @imagecolorallocate($big_pic,$rgb[0],$rgb[1],$rgb[2]);
//Convert text encoding
$text = @iconv($this->ut,"utf-8",$this->ico_text);
//Put text watermark
@imagettftext($big_pic,12,0,$this->src_x,$this->src_y,$text_color,"simkai_0.ttf",$text);
}
//Create a new picture board
$new_pic = @imagecreatetruecolor($small_pic_width,$small_pic_height);
//Generate thumbnail
@imagecopyresized($new_pic,$big_pic,0,0,0,0,$small_pic_width,$small_pic_height,$big_pic_info[0],$big_pic_info[1]);
//Output image
$this->createimageforsuffix($big_pic,$new_pic);
}

/**
* Function function inside the class converts #000000 into 255,255,255
*/
private function convcolor(){
$rgb = array();
$color = preg_replace("/#/","",$this->font_color);
$c = hexdec($color);
$r = ($c >> 16) & 0xff;
$g = ($c >> 8) & 0xff;
$b = $c & 0xff;
$rgb[0] = $r;
$rgb[1] = $g;
$rgb[2] = $b;
return $rgb;
}
}

//Call method

$pic = new smallpic("002.jpg",600,300);
$pic->is_text = true;
$pic->is_ico_pic = true;
$pic->ico_pic = "./images/004.png";
$pic->ico_text = "Happy New Year!";
//$pic->src_x = 80;
$pic->src_y = 80;
$pic->ut = "utf-8";
$pic->font_color = "#0521f8";
$pic->samll_pic_name = "hslsamll";
$pic->big_pic_name = "hslbig";
$pic->createsmallimage();