799 lines
19 KiB
PHP
799 lines
19 KiB
PHP
<?php
|
|
/**
|
|
* Created by PhpStorm.
|
|
* User: Administrator
|
|
* Date: 2022-06-24
|
|
* Time: 12:23
|
|
*/
|
|
|
|
namespace app\model\image;
|
|
|
|
|
|
/**
|
|
* 图片处理服务类
|
|
* 使用php扩展服务Imagick实现
|
|
* ImageMagick 官网地址 [url]http:www.imagemagick.org/script/index.php[/url]
|
|
*
|
|
* @author weiguang3
|
|
* @since 20140403
|
|
*/
|
|
class ImagickService
|
|
{
|
|
private $image = null;
|
|
|
|
private $type = null;
|
|
|
|
// 构造函数
|
|
|
|
public function __construct()
|
|
{
|
|
}
|
|
|
|
// 析构函数
|
|
|
|
public function __destruct()
|
|
{
|
|
if ($this->image !== null)
|
|
$this->image->destroy();
|
|
|
|
}
|
|
|
|
public function init()
|
|
{
|
|
}
|
|
|
|
// 载入图像
|
|
public function open($path)
|
|
{
|
|
$this->image = new \Imagick($path);
|
|
|
|
if ($this->image) {
|
|
$this->type = strtolower($this->image->getImageFormat());
|
|
|
|
}
|
|
$size = $this->image->getImagePage();
|
|
return $this;
|
|
|
|
}
|
|
|
|
public function getImageParam(){
|
|
// $size = $this->image->getImagePage();
|
|
$size = array(
|
|
'width' => $this->image->getImageWidth(),
|
|
'height' => $this->image->getImageHeight(),
|
|
);
|
|
return $size;
|
|
}
|
|
/**
|
|
* 图片裁剪
|
|
* 裁剪规则：
|
|
* 1. 高度为空或为零 按宽度缩放 高度自适应
|
|
* 2. 宽度为空或为零 按高度缩放 宽度自适应
|
|
* 3. 宽度，高度到不为空或为零 按宽高比例等比例缩放裁剪 默认从头部居中裁剪
|
|
* @param number $width
|
|
* @param number $height
|
|
*/
|
|
|
|
public function resize($width = 0, $height = 0)
|
|
{
|
|
if ($width == 0 && $height == 0) {
|
|
return;
|
|
|
|
}
|
|
|
|
$color = '';// 'rgba(255,255,255,1)';
|
|
|
|
$size = $this->image->getImagePage();
|
|
|
|
//原始宽高
|
|
|
|
$src_width = $size ['width'];
|
|
|
|
$src_height = $size ['height'];
|
|
|
|
//按宽度缩放 高度自适应
|
|
|
|
if ($width != 0 && $height == 0) {
|
|
if ($src_width > $width) {
|
|
$height = intval($width * $src_height / $src_width);
|
|
|
|
if ($this->type == 'gif') {
|
|
$this->_resizeGif($width, $height);
|
|
|
|
} else {
|
|
$this->image->thumbnailImage($width, $height, true);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
//按高度缩放 宽度自适应
|
|
|
|
if ($width == 0 && $height != 0) {
|
|
if ($src_height > $height) {
|
|
$width = intval($src_width * $height / $src_height);
|
|
|
|
if ($this->type == 'gif') {
|
|
$this->_resizeGif($width, $height);
|
|
|
|
} else {
|
|
$this->image->thumbnailImage($width, $height, true);
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
//缩放的后的尺寸
|
|
$crop_w = $width;
|
|
$crop_h = $height;
|
|
//缩放后裁剪的位置
|
|
$crop_x = 0;
|
|
$crop_y = 0;
|
|
|
|
if (($src_width / $src_height) < ($width / $height)) {
|
|
//宽高比例小于目标宽高比例 宽度等比例放大 按目标高度从头部截取
|
|
|
|
$crop_h = intval($src_height * $width / $src_width);
|
|
|
|
//从顶部裁剪 不用计算 $crop_y
|
|
|
|
} else {
|
|
//宽高比例大于目标宽高比例 高度等比例放大 按目标宽度居中裁剪
|
|
|
|
$crop_w = intval($src_width * $height / $src_height);
|
|
|
|
$crop_x = intval(($crop_w - $width) / 2);
|
|
|
|
}
|
|
|
|
if ($this->type == 'gif') {
|
|
$this->_resizeGif($crop_w, $crop_h, true, $width, $height, $crop_x, $crop_y);
|
|
|
|
} else {
|
|
$this->image->thumbnailImage($crop_w, $crop_h, true);
|
|
|
|
$this->image->cropImage($width, $height, $crop_x, $crop_y);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* 处理gif图片 需要对每一帧图片处理
|
|
* @param unknown $t_w 缩放宽
|
|
* @param unknown $t_h 缩放高
|
|
* @param string $isCrop 是否裁剪
|
|
* @param number $c_w 裁剪宽
|
|
* @param number $c_h 裁剪高
|
|
* @param number $c_x 裁剪坐标 x
|
|
* @param number $c_y 裁剪坐标 y
|
|
*/
|
|
|
|
private function _resizeGif($t_w, $t_h, $isCrop = false, $c_w = 0, $c_h = 0, $c_x = 0, $c_y = 0)
|
|
{
|
|
$dest = new \Imagick();
|
|
|
|
$color_transparent = new \ImagickPixel("transparent"); //透明色
|
|
|
|
foreach ($this->image as $img) {
|
|
$page = $img->getImagePage();
|
|
|
|
$tmp = new Imagick();
|
|
|
|
$tmp->newImage($page['width'], $page['height'], $color_transparent, 'gif');
|
|
|
|
$tmp->compositeImage($img, \Imagick::COMPOSITE_OVER, $page['x'], $page['y']);
|
|
|
|
$tmp->thumbnailImage($t_w, $t_h, true);
|
|
|
|
if ($isCrop) {
|
|
$tmp->cropImage($c_w, $c_h, $c_x, $c_y);
|
|
|
|
}
|
|
|
|
$dest->addImage($tmp);
|
|
|
|
$dest->setImagePage($tmp->getImageWidth(), $tmp->getImageHeight(), 0, 0);
|
|
|
|
$dest->setImageDelay($img->getImageDelay());
|
|
|
|
$dest->setImageDispose($img->getImageDispose());
|
|
|
|
}
|
|
|
|
$this->image->destroy();
|
|
|
|
$this->image = $dest;
|
|
|
|
}
|
|
|
|
/**
|
|
* 更改图像大小
|
|
* $fit: 适应大小方式
|
|
* 'force': 把图片强制变形成 $width X $height 大小
|
|
* 'scale': 按比例在安全框 $width X $height 内缩放图片, 输出缩放后图像大小 不完全等于 $width X $height
|
|
* 'scale_fill': 按比例在安全框 $width X $height 内缩放图片，安全框内没有像素的地方填充色,
|
|
* 使用此参数时可设置背景填充色 $bg_color = array(255,255,255)(红,绿,蓝, 透明度)
|
|
* 透明度(0不透明-127完全透明)) 其它: 智能模能 缩放图像并载取图像的中间部分 $width X $height 像素大小
|
|
* $fit = 'force','scale','scale_fill' 时： 输出完整图像
|
|
* $fit = 图像方位值 时, 输出指定位置部分图像 字母与图像的对应关系如下:
|
|
* north_west north north_east
|
|
* west center east
|
|
* south_west south south_east
|
|
*/
|
|
|
|
public function resize_to($width = 100, $height = 100, $fit = 'center', $fill_color = array(255, 255, 255, 0))
|
|
{
|
|
switch ($fit) {
|
|
case 'force' :
|
|
|
|
if ($this->type == 'gif') {
|
|
$image = $this->image;
|
|
|
|
$canvas = new \Imagick();
|
|
|
|
$images = $image->coalesceImages();
|
|
|
|
foreach ($images as $frame) {
|
|
$img = new \Imagick();
|
|
|
|
$img->readImageBlob($frame);
|
|
|
|
$img->thumbnailImage($width, $height, false);
|
|
|
|
$canvas->addImage($img);
|
|
|
|
$canvas->setImageDelay($img->getImageDelay());
|
|
|
|
}
|
|
|
|
$image->destroy();
|
|
|
|
$this->image = $canvas;
|
|
|
|
} else {
|
|
$this->image->thumbnailImage($width, $height, false);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case 'scale' :
|
|
|
|
if ($this->type == 'gif') {
|
|
$image = $this->image;
|
|
|
|
$images = $image->coalesceImages();
|
|
|
|
$canvas = new \Imagick();
|
|
|
|
foreach ($images as $frame) {
|
|
$img = new \Imagick();
|
|
|
|
$img->readImageBlob($frame);
|
|
|
|
$img->thumbnailImage($width, $height, true);
|
|
|
|
$canvas->addImage($img);
|
|
|
|
$canvas->setImageDelay($img->getImageDelay());
|
|
|
|
}
|
|
|
|
$image->destroy();
|
|
|
|
$this->image = $canvas;
|
|
|
|
} else {
|
|
$this->image->thumbnailImage($width, $height, true);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case 'scale_fill' :
|
|
|
|
$size = $this->image->getImagePage();
|
|
|
|
$src_width = $size ['width'];
|
|
|
|
$src_height = $size ['height'];
|
|
|
|
$x = 0;
|
|
|
|
$y = 0;
|
|
|
|
$dst_width = $width;
|
|
|
|
$dst_height = $height;
|
|
|
|
if ($src_width * $height > $src_height * $width) {
|
|
$dst_height = intval($width * $src_height / $src_width);
|
|
|
|
$y = intval(($height - $dst_height) / 2);
|
|
|
|
} else {
|
|
$dst_width = intval($height * $src_width / $src_height);
|
|
|
|
$x = intval(($width - $dst_width) / 2);
|
|
|
|
}
|
|
|
|
$image = $this->image;
|
|
|
|
$canvas = new \Imagick();
|
|
|
|
$color = 'rgba(' . $fill_color [0] . ',' . $fill_color [1] . ',' . $fill_color [2] . ',' . $fill_color [3] . ')';
|
|
|
|
if ($this->type == 'gif') {
|
|
$images = $image->coalesceImages();
|
|
|
|
foreach ($images as $frame) {
|
|
$frame->thumbnailImage($width, $height, true);
|
|
|
|
$draw = new \ImagickDraw();
|
|
|
|
$draw->composite($frame->getImageCompose(), $x, $y, $dst_width, $dst_height, $frame);
|
|
|
|
$img = new \Imagick();
|
|
|
|
$img->newImage($width, $height, $color, 'gif');
|
|
|
|
$img->drawImage($draw);
|
|
|
|
$canvas->addImage($img);
|
|
|
|
$canvas->setImageDelay($img->getImageDelay());
|
|
|
|
$canvas->setImagePage($width, $height, 0, 0);
|
|
|
|
}
|
|
|
|
} else {
|
|
$image->thumbnailImage($width, $height, true);
|
|
|
|
$draw = new \ImagickDraw();
|
|
|
|
$draw->composite($image->getImageCompose(), $x, $y, $dst_width, $dst_height, $image);
|
|
|
|
$canvas->newImage($width, $height, $color, $this->get_type());
|
|
|
|
$canvas->drawImage($draw);
|
|
|
|
$canvas->setImagePage($width, $height, 0, 0);
|
|
|
|
}
|
|
|
|
$image->destroy();
|
|
|
|
$this->image = $canvas;
|
|
|
|
break;
|
|
|
|
default :
|
|
|
|
$size = $this->image->getImagePage();
|
|
|
|
$src_width = $size ['width'];
|
|
|
|
$src_height = $size ['height'];
|
|
|
|
$crop_x = 0;
|
|
|
|
$crop_y = 0;
|
|
|
|
$crop_w = $src_width;
|
|
|
|
$crop_h = $src_height;
|
|
|
|
if ($src_width * $height > $src_height * $width) {
|
|
$crop_w = intval($src_height * $width / $height);
|
|
|
|
} else {
|
|
$crop_h = intval($src_width * $height / $width);
|
|
|
|
}
|
|
|
|
switch ($fit) {
|
|
case 'north_west' :
|
|
|
|
$crop_x = 0;
|
|
|
|
$crop_y = 0;
|
|
|
|
break;
|
|
|
|
case 'north' :
|
|
|
|
$crop_x = intval(($src_width - $crop_w) / 2);
|
|
|
|
$crop_y = 0;
|
|
|
|
break;
|
|
|
|
case 'north_east' :
|
|
|
|
$crop_x = $src_width - $crop_w;
|
|
|
|
$crop_y = 0;
|
|
|
|
break;
|
|
|
|
case 'west' :
|
|
|
|
$crop_x = 0;
|
|
|
|
$crop_y = intval(($src_height - $crop_h) / 2);
|
|
|
|
break;
|
|
|
|
case 'center' :
|
|
|
|
$crop_x = intval(($src_width - $crop_w) / 2);
|
|
|
|
$crop_y = intval(($src_height - $crop_h) / 2);
|
|
|
|
break;
|
|
|
|
case 'east' :
|
|
|
|
$crop_x = $src_width - $crop_w;
|
|
|
|
$crop_y = intval(($src_height - $crop_h) / 2);
|
|
|
|
break;
|
|
|
|
case 'south_west' :
|
|
|
|
$crop_x = 0;
|
|
|
|
$crop_y = $src_height - $crop_h;
|
|
|
|
break;
|
|
|
|
case 'south' :
|
|
|
|
$crop_x = intval(($src_width - $crop_w) / 2);
|
|
|
|
$crop_y = $src_height - $crop_h;
|
|
|
|
break;
|
|
|
|
case 'south_east' :
|
|
|
|
$crop_x = $src_width - $crop_w;
|
|
|
|
$crop_y = $src_height - $crop_h;
|
|
|
|
break;
|
|
|
|
default :
|
|
|
|
$crop_x = intval(($src_width - $crop_w) / 2);
|
|
|
|
$crop_y = intval(($src_height - $crop_h) / 2);
|
|
|
|
}
|
|
|
|
$image = $this->image;
|
|
|
|
$canvas = new \Imagick();
|
|
|
|
if ($this->type == 'gif') {
|
|
$images = $image->coalesceImages();
|
|
|
|
foreach ($images as $frame) {
|
|
$img = new \Imagick();
|
|
|
|
$img->readImageBlob($frame);
|
|
|
|
$img->cropImage($crop_w, $crop_h, $crop_x, $crop_y);
|
|
|
|
$img->thumbnailImage($width, $height, true);
|
|
|
|
$canvas->addImage($img);
|
|
|
|
$canvas->setImageDelay($img->getImageDelay());
|
|
|
|
$canvas->setImagePage($width, $height, 0, 0);
|
|
|
|
}
|
|
|
|
} else {
|
|
$image->cropImage($crop_w, $crop_h, $crop_x, $crop_y);
|
|
|
|
$image->thumbnailImage($width, $height, true);
|
|
|
|
$canvas->addImage($image);
|
|
|
|
$canvas->setImagePage($width, $height, 0, 0);
|
|
|
|
}
|
|
|
|
$image->destroy();
|
|
|
|
$this->image = $canvas;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// 添加水印图片
|
|
public function add_watermark($path, $x = 0, $y = 0)
|
|
{
|
|
$watermark = new \Imagick($path);
|
|
|
|
$draw = new \ImagickDraw();
|
|
|
|
$draw->composite($watermark->getImageCompose(), $x, $y, $watermark->getImageWidth(), $watermark->getimageheight(), $watermark);
|
|
|
|
if ($this->type == 'gif') {
|
|
$image = $this->image;
|
|
|
|
$canvas = new \Imagick();
|
|
|
|
$images = $image->coalesceImages();
|
|
|
|
foreach ($image as $frame) {
|
|
$img = new \Imagick();
|
|
|
|
$img->readImageBlob($frame);
|
|
|
|
$img->drawImage($draw);
|
|
|
|
$canvas->addImage($img);
|
|
|
|
$canvas->setImageDelay($img->getImageDelay());
|
|
|
|
}
|
|
|
|
$image->destroy();
|
|
|
|
$this->image = $canvas;
|
|
|
|
} else {
|
|
$this->image->drawImage($draw);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// 添加水印文字
|
|
public function add_text($text, $x = 0, $y = 0, $angle = 0, $style = array())
|
|
{
|
|
$draw = new \ImagickDraw();
|
|
|
|
if (isset ($style ['font']))
|
|
|
|
$draw->setFont($style ['font']);
|
|
|
|
if (isset ($style ['font_size']))
|
|
|
|
$draw->setFontSize($style ['font_size']);
|
|
|
|
if (isset ($style ['fill_color']))
|
|
|
|
$draw->setFillColor($style ['fill_color']);
|
|
|
|
$draw->setTextAlignment( 2 );
|
|
if (isset ($style ['under_color']))
|
|
|
|
$draw->setTextUnderColor($style ['under_color']);
|
|
|
|
if ($this->type == 'gif') {
|
|
foreach ($this->image as $frame) {
|
|
$frame->annotateImage($draw, $x, $y, $angle, $text);
|
|
|
|
}
|
|
|
|
} else {
|
|
$this->image->annotateImage($draw, $x, $y, $angle, $text);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// 保存到指定路径
|
|
public function save_to($path, $compress = 60)
|
|
{
|
|
//压缩图片质量
|
|
// $this->image->setImageFormat('JPEG');
|
|
|
|
$this->image->setImageCompression(\Imagick::COMPRESSION_JPEG);
|
|
|
|
// $compress = $this->image->getImageCompressionQuality() * 0.60;
|
|
//
|
|
// if ($compress == 0) {
|
|
// $compress = 60;
|
|
// }
|
|
$this->image->setImageCompressionQuality($compress);
|
|
$this->image->stripImage();
|
|
if ($this->type == 'gif') {
|
|
$this->image->writeImages($path, true);
|
|
} else {
|
|
$this->image->writeImage($path);
|
|
}
|
|
}
|
|
|
|
// 输出图像
|
|
public function output($header = true)
|
|
{
|
|
if ($header)
|
|
|
|
header('Content-type: ' . $this->type);
|
|
|
|
echo $this->image->getImagesBlob();
|
|
|
|
}
|
|
|
|
public function get_width()
|
|
{
|
|
$size = $this->image->getImagePage();
|
|
|
|
return $size ['width'];
|
|
|
|
}
|
|
|
|
public function get_height()
|
|
{
|
|
$size = $this->image->getImagePage();
|
|
|
|
return $size ['height'];
|
|
|
|
}
|
|
|
|
// 设置图像类型， 默认与源类型一致
|
|
|
|
public function set_type($type = 'png')
|
|
{
|
|
$this->type = $type;
|
|
|
|
$this->image->setImageFormat($type);
|
|
|
|
}
|
|
|
|
// 获取源图像类型
|
|
|
|
public function get_type()
|
|
{
|
|
return $this->type;
|
|
|
|
}
|
|
|
|
public function get_file_size()
|
|
{
|
|
if ($this->image) {
|
|
return 0;//$this->image->getImageLength(); getImageLength not find
|
|
|
|
} else {
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
public function get_file_type()
|
|
{
|
|
if ($this->image) {
|
|
return $this->image->getimagemimetype();
|
|
|
|
} else {
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
public function get_sha1()
|
|
{
|
|
if ($this->image) {
|
|
return sha1($this->image->__tostring());
|
|
|
|
} else {
|
|
return '';
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// 当前对象是否为图片
|
|
|
|
public function is_image()
|
|
{
|
|
if ($this->image)
|
|
|
|
return true;
|
|
|
|
else
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
* 添加一个边框 $width: 左右边框宽度 $height: 上下边框宽度 $color: 颜色: RGB 颜色 'rgb(255,0,0)' 或 16进制颜色 '#FF0000' 或颜色单词 'white'/'red'...
|
|
|
|
*/
|
|
|
|
public function border($width, $height, $color = 'rgb(220, 220, 220)')
|
|
{
|
|
$color = new \ImagickPixel();
|
|
|
|
$color->setColor($color);
|
|
|
|
$this->image->borderImage($color, $width, $height);
|
|
|
|
}
|
|
|
|
public function blur($radius, $sigma)
|
|
{
|
|
$this->image->blurImage($radius, $sigma);
|
|
|
|
} // 模糊
|
|
|
|
public function gaussian_blur($radius, $sigma)
|
|
{
|
|
$this->image->gaussianBlurImage($radius, $sigma);
|
|
|
|
} // 高斯模糊
|
|
|
|
public function motion_blur($radius, $sigma, $angle)
|
|
{
|
|
$this->image->motionBlurImage($radius, $sigma, $angle);
|
|
|
|
} // 运动模糊
|
|
|
|
public function radial_blur($radius)
|
|
{
|
|
$this->image->radialBlurImage($radius);
|
|
|
|
} // 径向模糊
|
|
|
|
public function add_noise($type = null)
|
|
{
|
|
$this->image->addNoiseImage($type == null ? \Imagick::NOISE_IMPULSE : $type);
|
|
|
|
} // 添加噪点
|
|
|
|
public function level($black_point, $gamma, $white_point)
|
|
{
|
|
$this->image->levelImage($black_point, $gamma, $white_point);
|
|
|
|
} // 调整色阶
|
|
|
|
public function modulate($brightness, $saturation, $hue)
|
|
{
|
|
$this->image->modulateImage($brightness, $saturation, $hue);
|
|
|
|
} // 调整亮度、饱和度、色调
|
|
|
|
public function charcoal($radius, $sigma)
|
|
{
|
|
$this->image->charcoalImage($radius, $sigma);
|
|
|
|
} // 素描
|
|
|
|
public function oil_paint($radius)
|
|
{
|
|
$this->image->oilPaintImage($radius);
|
|
|
|
} // 油画效果
|
|
|
|
public function flop()
|
|
{
|
|
$this->image->flopImage();
|
|
|
|
} // 水平翻转
|
|
|
|
public function flip()
|
|
{
|
|
$this->image->flipImage();
|
|
|
|
} // 垂直翻转
|
|
|
|
|
|
} |