<?php
/**
* Created by PhpStorm.
* User: Administrator
* Date: 2022-06-24
* Time: 12:23
*/
namespace app\model\image;
use Intervention\Image\ImageManagerStatic as Image;
/**
* Gd 图片策略类(也就是默认)
* Class ImagickClass
* @package app\model\upload
*/
class GdClass
{
/**
* 获取图片实例
* @param $path
* @return mixed
*/
public function open($path)
{
$image = Image::make($path);
return $image;
}
/**
* 图片保存
* @param $image
* @param $new_file
* @param $compress
* @return mixed
*/
public function save($image, $new_file, $compress)
{
return $image->save($new_file, $compress);
}
public function getImageParam($image)
{
$width = $image->width();//图片宽
$height = $image->height();//图片高
return [
'width' => $width,
'height' => $height
];
}
/**
* 文字水印
* @param $image
* @param $text
* @param $x
* @param $y
* @param $size
* @param $color
* @param $align
* @param $valign
* @param $angle
* @return mixed
*/
public function textWater($image, $text, $x, $y, $size, $color, $align, $valign, $angle)
{
// $x = $image->width()/2;
// $y = $image->height()/2;
$image->text($text, $x, $y, function($font) use ($size, $color, $align, $valign, $angle) {
// $font->file($this->config["water"]["watermark_text_file"]);//设置字体文件位置
$font->file(PUBLIC_PATH . 'static/font/Microsoft.ttf');
$font->size($size);//设置字号大小
$font->color($color);//设置字号颜色
$font->align($align);//设置字号水平位置
$font->valign($valign);//设置字号 垂直位置
$font->angle($angle);//设置字号倾斜角度
});
return $image;
}
/**
* 图片水印
* @param $image
* @param $water_path
* @param $watermark_opacity
* @param $water_rotate
* @param $water_position
* @param $x
* @param $y
* @param $p '缩放比例 0-100'
* @return mixed
*/
public function imageWater($image, $water_path, $watermark_opacity, $water_rotate, $water_position, $x, $y, $p = null)
{
$watermark = Image::make($water_path);
//根据比率 计算缩放后的水印图大小
if(!is_null($p)){
$water_real_width = $watermark->width();
$water_real_height = $watermark->height();
$water_max_width = $image->width() * $p / 100;
$water_max_height = $image->height() * $p / 100;
if($water_max_height / $water_max_width < $water_real_height / $water_real_width){
$water_height = $water_max_height;
$water_width = $water_max_height / ($water_real_height / $water_real_width);
}else{
$water_width = $water_max_width;
$water_height = $water_max_width * ($water_real_height / $water_real_width);
}
$watermark = $watermark->resize($water_width, $water_height);
}
//dd($y, $p, [$water_real_width,$water_real_height], [$water_max_width,$water_max_height], [$water_width,$water_height]);
$watermark = $watermark->opacity($watermark_opacity)->rotate($water_rotate);
$image->insert($watermark, $water_position, $x, $y);
return $image;
}
/**
* 缩略图
* @param $image
* @param $width
* @param $height
* @param string $fit
* @param string $fill_color
* @return mixed
*/
public function thumb($image, $width, $height, $fit = 'center', $fill_color = 'ffffff')
{
if (!empty($fit)) {
$image = $image->fit($width, $height, function($constraint) {
// $constraint->aspectRatio();
// $constraint->upsize();
});
} else {
$image = $image->resize($width, $height, function($constraint) {
$constraint->aspectRatio();
$constraint->upsize();
});
}
return $image;
}
}