748 lines
25 KiB
PHP
748 lines
25 KiB
PHP
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<?php
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class Thumbs
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{
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public function __construct($filename)
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{
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$this->filename = $filename;
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if (empty($this->filename)) {
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throw new Exception('Файл не найден');
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} else {
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$info = getimagesize($this->filename);
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if (empty($info)) {
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throw new Exception('Файл не найден');
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} else {
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$this->width = $info[0];
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$this->height = $info[1];
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$this->type = $info[2];
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switch ($this->type) {
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case 1:
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$this->img = imageCreateFromGif($this->filename);
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break;
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case 2:
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$this->img = imageCreateFromJpeg($this->filename);
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break;
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case 3:
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$this->img = imageCreateFromPng($this->filename);
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imageAlphaBlending($this->img, true);
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imageSaveAlpha($this->img, true);
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break;
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case 18:
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$this->img = imageCreatefromWebp($this->filename);
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break;
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default:
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throw new Exception('Формат файла не подерживается');
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break;
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}
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}
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}
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}
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public function fixWebpBlue()
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{
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$f_im = imagecreatetruecolor(imagesx($this->img),imagesy($this->img));
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$c = imagecolorallocate($f_im, 255, 255, 255);
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imagefill($f_im, 0, 0, $c);
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for($y=0;$y<imagesy($this->img);$y++)
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{
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for($x=0;$x<imagesx($this->img);$x++)
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{
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$rgb_old = imagecolorat($this->img , $x, $y);
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$r = ($rgb_old >> 24) & 0xFF;
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$g = ($rgb_old >> 16) & 0xFF;
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$b = ($rgb_old >> 8) & 0xFF;
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$pixelcolor = imagecolorallocate($f_im, $r, $g, $b);
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imagesetpixel($f_im, $x, $y, $pixelcolor);
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}
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}
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$this->img = $f_im;
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}
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/**
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* Изминение размера изображения.
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*/
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public function resize($width, $height)
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{
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if (empty($width)) {
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$width = ceil($height / ($this->height / $this->width));
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}
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if (empty($height)) {
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$height = ceil($width / ($this->width / $this->height));
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}
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$tmp = imageCreateTrueColor($width, $height);
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if ($this->type == 1 || $this->type == 3) {
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imagealphablending($tmp, true);
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imageSaveAlpha($tmp, true);
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$transparent = imagecolorallocatealpha($tmp, 0, 0, 0, 127);
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imagefill($tmp, 0, 0, $transparent);
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imagecolortransparent($tmp, $transparent);
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}
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if ($width < $this->width || $height < $this->height) {
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$tw = ceil($height / ($this->height / $this->width));
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if ($tw < $width) {
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imageCopyResampled($tmp, $this->img, ceil(($width - $tw) / 2), ceil(($height - $height) / 2), 0, 0, $tw, $height, $this->width, $this->height);
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} else {
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$th = ceil($width / ($this->width / $this->height));
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imageCopyResampled($tmp, $this->img, ceil(($width - $width) / 2), ceil(($height - $th) / 2), 0, 0, $width, $th, $this->width, $this->height);
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}
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} else {
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imageCopyResampled($tmp, $this->img, 0, 0, 0, 0, $width, $height, $this->width, $this->height);
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}
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$this->img = $tmp;
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unset($tmp);
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$this->width = $width;
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$this->height = $height;
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}
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/**
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* Уменьшить изображение, ели оно больше указанных размеров.
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*/
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public function reduce($max_width, $max_height)
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{
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if (empty($max_width) && empty($max_height)) {
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throw new Exception('Не указан размер изображения');
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} elseif (empty($max_width)) {
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$max_width = ceil($max_height / ($this->height / $this->width));
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} elseif (empty($max_height)) {
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$max_height = ceil($max_width / ($this->width / $this->height));
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}
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if ($this->width > $max_width || $this->height > $max_height) {
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$width = ceil($max_height / ($this->height / $this->width));
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$height = ceil($max_width / ($this->width / $this->height));
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if ($width > $max_width) {
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$width = $max_width;
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} else {
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$height = $max_height;
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}
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return $this->resize($width, $height);
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}
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}
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/**
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* Изменение размера холста
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*/
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public function resizeCanvas($width, $height, $bg = array())
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{
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if (empty($width)) {
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$width = ceil($height / ($this->height / $this->width));
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}
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if (empty($height)) {
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$height = ceil($width / ($this->width / $this->height));
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}
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$tw = ceil($height / ($this->height / $this->width));
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$th = ceil($width / ($this->width / $this->height));
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$tmp = imageCreateTrueColor($width, $height);
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if (!empty($bg)) {
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$bgc = imagecolorallocate($tmp, $bg[0], $bg[1], $bg[2]);
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imagefilledrectangle($tmp, 0, 0, $width, $height, $bgc);
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} else {
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imagealphablending($tmp, true);
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imageSaveAlpha($tmp, true);
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$transparent = imagecolorallocatealpha($tmp, 0, 0, 0, 127);
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imagefill($tmp, 0, 0, $transparent);
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imagecolortransparent($tmp, $transparent);
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}
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if ($width >= $this->width && $height >= $this->height) {
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$seze = array(ceil(($width - $this->width) / 2), ceil(($height - $this->height) / 2), $this->width, $this->height);
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} elseif ($width >= $this->width) {
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$seze = array(ceil(($width - $tw) / 2), 0, ceil($height / ($this->height / $this->width)), $height);
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} elseif ($height >= $this->height) {
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$seze = array(0, ceil(($height - $th) / 2), $width, ceil($width / ($this->width / $this->height)));
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} elseif ($tw < $width) {
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$seze = array(ceil(($width - $tw) / 2), ceil(($height - $height) / 2), $tw, $height);
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} else {
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$seze = array(0, ceil(($height - $th) / 2), $width, $th);
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}
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imageCopyResampled($tmp, $this->img, $seze[0], $seze[1], 0, 0, $seze[2], $seze[3], $this->width, $this->height);
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$this->img = $tmp;
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unset($tmp);
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$this->width = $width;
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$this->height = $height;
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}
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/**
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* Вырезать часть изображения
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*/
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public function crop($x, $y, $width, $height)
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{
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if (empty($height)) {
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$height = $width;
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}
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if (empty($width)) {
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$width = $height;
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}
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$tmp = imageCreateTrueColor($width, $height);
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if ($this->type == 1 || $this->type == 3) {
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imagealphablending($tmp, true);
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imageSaveAlpha($tmp, true);
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$transparent = imagecolorallocatealpha($tmp, 0, 0, 0, 127);
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imagefill($tmp, 0, 0, $transparent);
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imagecolortransparent($tmp, $transparent);
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}
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imageCopyResampled($tmp, $this->img, 0, 0, $x, $y, $this->width, $this->height, $this->width, $this->height);
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$this->img = $tmp;
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unset($tmp);
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$this->width = $width;
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$this->height = $height;
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}
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|||
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/**
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* Получение основной части изображения.
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*/
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public function cut($width, $height)
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{
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if (empty($width)) {
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$width = ceil($height / ($this->height / $this->width));
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|||
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}
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if (empty($height)) {
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$height = ceil($width / ($this->width / $this->height));
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}
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if ($this->width != $width && $this->height != $height) {
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$tw = ceil($height / ($this->height / $this->width));
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$th = ceil($width / ($this->width / $this->height));
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if ($this->width == $this->height) {
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// Источник - квадратная фотка
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if ($width == $height) {
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// Превью - квадратная.
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$this->resize($width, $height);
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} elseif ($width > $height) {
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// Превью - горизонтальная.
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$this->resize($width, $width);
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$this->crop(0, ceil(($this->height - $height) / 2), $width, $height);
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} else {
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// Превью - вертикальная.
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$this->resize($height, $height);
|
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$this->crop(ceil(($this->width - $width) / 2), 0, $width, $height);
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}
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} elseif ($this->width > $this->height) {
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// Источник - горизонтальная фотка
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if ($width == $height) {
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// Превью - квадратная.
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$this->resize(0, $height);
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$this->crop(ceil(($this->width - $width) / 2), 0, $width, $height);
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} elseif ($width > $height) {
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// Превью - горизонтальная.
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if ($width <= $tw) {
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$this->resize(0, $height);
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$this->crop(ceil(($this->width - $width) / 2), 0, $width, $height);
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} else {
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$this->resize($width + 1, 0);
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$this->crop(0, ceil(($this->height - $height) / 2), $width, $height);
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}
|
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} else {
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// Превью - вертикальная.
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$this->resize(0, $height);
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$this->crop(ceil(($this->width - $width) / 2), 0, $width, $height);
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}
|
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|
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} else {
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|
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// Источник - вертикальная фотка
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if ($width == $height) {
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// Превью - квадратная.
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$this->resize($width, 0);
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$this->crop((ceil($this->width - $width) / 2), ceil((($this->height - $height) / 2) / 2), $width, $height);
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|
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} elseif ($width > $height) {
|
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|
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// Превью - горизонтальная.
|
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$this->resize($width, 0);
|
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|
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$this->crop(0, ceil((($this->height - $height) / 2) / 3), $width, $height);
|
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|
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} else {
|
|||
|
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// Превью - вертикальная.
|
|||
|
|
if ($tw > $width) {
|
|||
|
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$this->resize(0, $height);
|
|||
|
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$this->crop(ceil(($this->width - $width) / 2), 0, $width, $height);
|
|||
|
|
} else {
|
|||
|
|
$this->resize(0, $th);
|
|||
|
|
$this->crop(ceil(($this->width - $width) / 2), 0, $width, $height);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
$this->width = $width;
|
|||
|
|
$this->height = $height;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Превью.
|
|||
|
|
*/
|
|||
|
|
public function thumb($width, $height)
|
|||
|
|
{
|
|||
|
|
if (empty($width)) {
|
|||
|
|
$width = ceil($height / ($this->height / $this->width));
|
|||
|
|
}
|
|||
|
|
if (empty($height)) {
|
|||
|
|
$height = ceil($width / ($this->width / $this->height));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
$tw = ceil($height / ($this->height / $this->width));
|
|||
|
|
$th = ceil($width / ($this->width / $this->height));
|
|||
|
|
|
|||
|
|
if ($this->width != $width && $this->height != $height) {
|
|||
|
|
$tmp = imageCreateTrueColor($width, $height);
|
|||
|
|
if ($this->type == 1 || $this->type == 3) {
|
|||
|
|
imagealphablending($tmp, true);
|
|||
|
|
imageSaveAlpha($tmp, true);
|
|||
|
|
$transparent = imagecolorallocatealpha($tmp, 0, 0, 0, 127);
|
|||
|
|
imagefill($tmp, 0, 0, $transparent);
|
|||
|
|
imagecolortransparent($tmp, $transparent);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Определение цвета фона...
|
|||
|
|
$entry_1 = $entry_2 = array();
|
|||
|
|
for ($n = 0; $n < $this->width; $n++) {
|
|||
|
|
$color = imagecolorat($this->img, $n, 0);
|
|||
|
|
$entry_1[$color] = (isset($entry_1[$color])) ? $entry_1[$color] + 1 : 1;
|
|||
|
|
|
|||
|
|
$color = imagecolorat($this->img, $n, $this->height - 1);
|
|||
|
|
$entry_2[$color] = (isset($entry_2[$color])) ? $entry_2[$color] + 1 : 1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
arsort($entry_1);
|
|||
|
|
$top_color = key($entry_1);
|
|||
|
|
$top_defined = (100 * $entry_1[$top_color] / $this->width) > 45;
|
|||
|
|
|
|||
|
|
arsort($entry_2);
|
|||
|
|
$bottom_color = key($entry_2);
|
|||
|
|
$bottom_defined = (100 * $entry_2[$bottom_color] / $this->width) > 45;
|
|||
|
|
unset($entry_1, $entry_2);
|
|||
|
|
|
|||
|
|
for ($n = 0; $n < $this->height; $n++) {
|
|||
|
|
$color = imagecolorat($this->img, 0, $n);
|
|||
|
|
$entry_1[$color] = (isset($entry_1[$color])) ? $entry_1[$color] + 1 : 1;
|
|||
|
|
|
|||
|
|
$color = imagecolorat($this->img, $this->width - 1, $n);
|
|||
|
|
$entry_2[$color] = (isset($entry_2[$color])) ? $entry_2[$color] + 1 : 1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
arsort($entry_1);
|
|||
|
|
$left_color = key($entry_1);
|
|||
|
|
$left_defined = (100 * $entry_1[$left_color] / $this->height) > 45;
|
|||
|
|
|
|||
|
|
arsort($entry_2);
|
|||
|
|
$right_color = key($entry_2);
|
|||
|
|
$right_defined = (100 * $entry_2[$right_color] / $this->height) > 45;
|
|||
|
|
unset($entry_1, $entry_2);
|
|||
|
|
|
|||
|
|
if ($top_defined || $bottom_defined || $right_defined || $left_defined) {
|
|||
|
|
if (imageistruecolor($this->img)) {
|
|||
|
|
$top_rgb = imagecolorsforindex($tmp, $top_color);
|
|||
|
|
$right_rgb = imagecolorsforindex($tmp, $right_color);
|
|||
|
|
$bottom_rgb = imagecolorsforindex($tmp, $bottom_color);
|
|||
|
|
$left_rgb = imagecolorsforindex($tmp, $left_color);
|
|||
|
|
|
|||
|
|
if (!empty($top_rgb['alpha']) && !empty($top_rgb['alpha']) && !empty($top_rgb['alpha']) && !empty($top_rgb['alpha'])) {
|
|||
|
|
$top_defined = $right_defined = $bottom_defined = $left_defined = true;
|
|||
|
|
} elseif (empty($top_rgb['alpha']) || empty($top_rgb['alpha']) || empty($top_rgb['alpha']) || empty($top_rgb['alpha'])) {
|
|||
|
|
if ($top_defined && $bottom_defined && $left_defined == false && $right_defined == false) {
|
|||
|
|
if ($th < $height) {
|
|||
|
|
imagefilledrectangle($tmp, 0, 0, $width - 1, $height / 2, $top_color);
|
|||
|
|
imagefilledrectangle($tmp, 0, $height / 2, $width - 1, $height - 1, $bottom_color);
|
|||
|
|
} else {
|
|||
|
|
return $this->cut($width, $height);
|
|||
|
|
}
|
|||
|
|
} elseif ($left_defined && $right_defined && $top_defined == false && $bottom_defined == false) {
|
|||
|
|
if ($tw < $width) {
|
|||
|
|
imagefilledrectangle($tmp, 0, 0, $width / 2, $height - 1, $left_color);
|
|||
|
|
imagefilledrectangle($tmp, $width / 2, 0, $width - 1, $height - 1, $right_color);
|
|||
|
|
} else {
|
|||
|
|
return $this->cut($width, $height);
|
|||
|
|
}
|
|||
|
|
} else {
|
|||
|
|
if ($top_defined) {
|
|||
|
|
imagefill($tmp, 0, 0, $top_color);
|
|||
|
|
} elseif($right_defined) {
|
|||
|
|
imagefill($tmp, 0, 0, $right_color);
|
|||
|
|
} elseif($bottom_defined) {
|
|||
|
|
imagefill($tmp, 0, 0, $bottom_color);
|
|||
|
|
} else {
|
|||
|
|
imagefill($tmp, 0, 0, $left_color);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if ($top_defined == false && $right_defined && $bottom_defined && $left_defined) {
|
|||
|
|
// top
|
|||
|
|
if ($width >= $this->width && $height >= $this->height) {
|
|||
|
|
$seze = array(ceil(($width - $this->width) / 2), 0, $this->width, $this->height);
|
|||
|
|
} elseif ($width >= $this->width) {
|
|||
|
|
$seze = array(ceil(($width - ($height / ($this->height / $this->width))) / 2), 0, ceil($height / ($this->height / $this->width)), $height);
|
|||
|
|
} elseif ($height >= $this->height) {
|
|||
|
|
$seze = array(0, 0, $width, ceil($width / ($this->width / $this->height)));
|
|||
|
|
} elseif ($tw < $width) {
|
|||
|
|
$seze = array(ceil(($width - $tw) / 2), 0, $tw, $height);
|
|||
|
|
} else {
|
|||
|
|
$seze = array(ceil(($width - $width) / 2), 0, $width, $th);
|
|||
|
|
}
|
|||
|
|
} elseif ($top_defined == false && $right_defined && $bottom_defined && $left_defined == false) {
|
|||
|
|
// top-left
|
|||
|
|
if ($width >= $this->width && $height >= $this->height) {
|
|||
|
|
$seze = array(0, 0, $this->width, $this->height);
|
|||
|
|
} elseif ($width >= $this->width) {
|
|||
|
|
$seze = array(0, 0, ceil($height / ($this->height / $this->width)), $height);
|
|||
|
|
} elseif ($height >= $this->height) {
|
|||
|
|
$seze = array(0, 0, $width, ceil($width / ($this->width / $this->height)));
|
|||
|
|
} elseif ($tw < $width) {
|
|||
|
|
$seze = array(0, 0, $tw, $height);
|
|||
|
|
} else {
|
|||
|
|
$seze = array(0, 0, $width, $th);
|
|||
|
|
}
|
|||
|
|
} elseif ($top_defined == false && $right_defined == false && $bottom_defined && $left_defined) {
|
|||
|
|
// top-right
|
|||
|
|
if ($width >= $this->width && $height >= $this->height) {
|
|||
|
|
$seze = array($width - $this->width, 0, $this->width, $this->height);
|
|||
|
|
} elseif ($width >= $this->width) {
|
|||
|
|
$seze = array($width - $tw, 0, ceil($height / ($this->height / $this->width)), $height);
|
|||
|
|
} elseif ($height >= $this->height) {
|
|||
|
|
$seze = array(0, 0, $width, ceil($width / ($this->width / $this->height)));
|
|||
|
|
} elseif ($tw < $width) {
|
|||
|
|
$seze = array($width - $tw, 0, $tw, $height);
|
|||
|
|
} else {
|
|||
|
|
$seze = array(0, 0, $width, $th);
|
|||
|
|
}
|
|||
|
|
} elseif ($top_defined && $right_defined && $bottom_defined == false && $left_defined == false) {
|
|||
|
|
// bottom-left
|
|||
|
|
if ($width >= $this->width && $height >= $this->height) {
|
|||
|
|
$seze = array(0, $height - $this->height, $this->width, $this->height);
|
|||
|
|
} elseif ($width >= $this->width) {
|
|||
|
|
$seze = array(0, 0, ceil($height / ($this->height / $this->width)), $height);
|
|||
|
|
} elseif ($height >= $this->height) {
|
|||
|
|
$seze = array(0, $height - $th, $width, ceil($width / ($this->width / $this->height)));
|
|||
|
|
} elseif ($tw < $width) {
|
|||
|
|
$seze = array(0, 0, $tw, $height);
|
|||
|
|
} else {
|
|||
|
|
$seze = array(0, $height - $th, $width, $th);
|
|||
|
|
}
|
|||
|
|
} elseif ($top_defined && $right_defined == false && $bottom_defined == false && $left_defined) {
|
|||
|
|
// bottom-right
|
|||
|
|
if ($width >= $this->width && $height >= $this->height) {
|
|||
|
|
$seze = array($width - $this->width, $height - $this->height, $this->width, $this->height);
|
|||
|
|
} elseif ($width >= $this->width) {
|
|||
|
|
$seze = array($width - $tw, 0, ceil($height / ($this->height / $this->width)), $height);
|
|||
|
|
} elseif ($height >= $this->height) {
|
|||
|
|
$seze = array(0, $height - $th, $width, ceil($width / ($this->width / $this->height)));
|
|||
|
|
} elseif ($tw < $width) {
|
|||
|
|
$seze = array($width - $tw, 0, $tw, $height);
|
|||
|
|
} else {
|
|||
|
|
$seze = array($width - $tw, $height - $th, $width, $th);
|
|||
|
|
}
|
|||
|
|
} elseif ($top_defined && $right_defined == false && $bottom_defined && $left_defined && ($top_color == $bottom_color && $bottom_color == $left_color)) {
|
|||
|
|
// right
|
|||
|
|
if ($width >= $this->width && $height >= $this->height) {
|
|||
|
|
$seze = array($width - $this->width, ceil(($height - $this->height) / 2), $this->width, $this->height);
|
|||
|
|
} elseif ($width >= $this->width) {
|
|||
|
|
$seze = array($width - $tw, 0, ceil($height / ($this->height / $this->width)), $height);
|
|||
|
|
} elseif ($height >= $this->height) {
|
|||
|
|
$seze = array(0, $height - $th, $width, ceil($width / ($this->width / $this->height)));
|
|||
|
|
} elseif ($tw < $width) {
|
|||
|
|
$seze = array($width - $tw, ceil(($height - $height) / 2), $tw, $height);
|
|||
|
|
} else {
|
|||
|
|
$seze = array(0, ceil(($height - $th) / 2), $width, $th);
|
|||
|
|
}
|
|||
|
|
} elseif ($top_defined && $right_defined && $bottom_defined == false && $left_defined) {
|
|||
|
|
// bottom
|
|||
|
|
if ($width >= $this->width && $height >= $this->height) {
|
|||
|
|
$seze = array(ceil(($width - $this->width) / 2), $height - $this->height, $this->width, $this->height);
|
|||
|
|
} elseif ($width >= $this->width) {
|
|||
|
|
$seze = array(ceil(($width - ($height / ($this->height / $this->width))) / 2), 0, ceil($height / ($this->height / $this->width)), $height);
|
|||
|
|
} elseif ($height >= $this->height) {
|
|||
|
|
$seze = array(0, $height - $th, $width, ceil($width / ($this->width / $this->height)));
|
|||
|
|
} elseif ($tw < $width) {
|
|||
|
|
$seze = array(ceil(($width - $tw) / 2), 0, $tw, $height);
|
|||
|
|
} else {
|
|||
|
|
$seze = array(ceil(($width - $width) / 2), $height - $th, $width, $th);
|
|||
|
|
}
|
|||
|
|
} elseif ($top_defined && $right_defined && $bottom_defined && $left_defined == false) {
|
|||
|
|
// left
|
|||
|
|
if ($width >= $this->width && $height >= $this->height) {
|
|||
|
|
$seze = array(0, ceil(($height - $this->height) / 2), $this->width, $this->height);
|
|||
|
|
} elseif ($width >= $this->width) {
|
|||
|
|
$seze = array(0, 0, ceil($height / ($this->height / $this->width)), $height);
|
|||
|
|
} elseif ($height >= $this->height) {
|
|||
|
|
$seze = array(0, ceil(($height - $th) / 2), $width, ceil($width / ($this->width / $this->height)));
|
|||
|
|
} elseif ($tw < $width) {
|
|||
|
|
$seze = array(0, ceil(($height - $height) / 2), $tw, $height);
|
|||
|
|
} else {
|
|||
|
|
$seze = array(0, ceil(($height - $th) / 2), $width, $th);
|
|||
|
|
}
|
|||
|
|
} elseif (($top_defined && $bottom_defined) || ($right_defined && $left_defined)) {
|
|||
|
|
// more
|
|||
|
|
if ($width >= $this->width && $height >= $this->height) {
|
|||
|
|
$seze = array(ceil(($width - $this->width) / 2), ceil(($height - $this->height) / 2), $this->width, $this->height);
|
|||
|
|
} elseif ($width >= $this->width) {
|
|||
|
|
$seze = array(ceil(($width - $tw) / 2), 0, ceil($height / ($this->height / $this->width)), $height);
|
|||
|
|
} elseif ($height >= $this->height) {
|
|||
|
|
$seze = array(0, ceil(($height - $th) / 2), $width, ceil($width / ($this->width / $this->height)));
|
|||
|
|
} elseif ($tw < $width) {
|
|||
|
|
$seze = array(ceil(($width - $tw) / 2), ceil(($height - $height) / 2), $tw, $height);
|
|||
|
|
} else {
|
|||
|
|
$seze = array(0, ceil(($height - $th) / 2), $width, $th);
|
|||
|
|
}
|
|||
|
|
} else {
|
|||
|
|
return $this->cut($width, $height);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
imageCopyResampled($tmp, $this->img, $seze[0], $seze[1], 0, 0, $seze[2], $seze[3], $this->width, $this->height);
|
|||
|
|
$this->img = $tmp;
|
|||
|
|
unset($tmp);
|
|||
|
|
|
|||
|
|
return true;
|
|||
|
|
} else {
|
|||
|
|
return $this->cut($width, $height);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Поворот изображения
|
|||
|
|
*/
|
|||
|
|
public function rotate($deg)
|
|||
|
|
{
|
|||
|
|
$this->img = imagerotate($this->img, $deg, 0);
|
|||
|
|
|
|||
|
|
$width = $this->width;
|
|||
|
|
$this->width = $this->height;
|
|||
|
|
$this->height = $width;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Поворот изображения по часовой стрелки.
|
|||
|
|
*/
|
|||
|
|
public function rotateRight()
|
|||
|
|
{
|
|||
|
|
$this->rotate(-90);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Поворот изображения против часовой стрелки.
|
|||
|
|
*/
|
|||
|
|
public function rotateLeft()
|
|||
|
|
{
|
|||
|
|
$this->rotate(90);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public function opacity($image, $opacity)
|
|||
|
|
{
|
|||
|
|
$width = imagesx($image);
|
|||
|
|
$height = imagesy($image);
|
|||
|
|
|
|||
|
|
$tmp = imagecreatetruecolor($width, $height);
|
|||
|
|
imagealphablending($tmp, false);
|
|||
|
|
imagefill($tmp, 0, 0, imagecolortransparent($tmp));
|
|||
|
|
imagecopy($tmp, $image, 0, 0, 0, 0, $width, $height);
|
|||
|
|
|
|||
|
|
for ($x = 0; $x < $width; ++$x) {
|
|||
|
|
for ($y = 0; $y < $height; ++$y) {
|
|||
|
|
$pixelColor = imagecolorat($tmp, $x, $y);
|
|||
|
|
$pixelOpacity = 127 - (($pixelColor >> 24) & 0xFF);
|
|||
|
|
if ($pixelOpacity > 0) {
|
|||
|
|
$pixelOpacity = $pixelOpacity * $opacity;
|
|||
|
|
$pixelColor = ($pixelColor & 0xFFFFFF) | ((int)round( 127 - $pixelOpacity) << 24);
|
|||
|
|
imagesetpixel($tmp, $x, $y, $pixelColor);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return $tmp;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public function watermark($file, $position = 'center', $transparency = 1)
|
|||
|
|
{
|
|||
|
|
if (empty($file)) {
|
|||
|
|
throw new Exception('Файл маски не найден');
|
|||
|
|
} else {
|
|||
|
|
$info = getimagesize($file);
|
|||
|
|
if (empty($info)) {
|
|||
|
|
throw new Exception('Файл маски не найден');
|
|||
|
|
} else {
|
|||
|
|
switch ($info[2]) {
|
|||
|
|
case 1:
|
|||
|
|
$dest = imageCreateFromGif($file);
|
|||
|
|
break;
|
|||
|
|
case 2:
|
|||
|
|
$dest = imageCreateFromJpeg($file);
|
|||
|
|
break;
|
|||
|
|
case 3:
|
|||
|
|
$dest = imageCreateFromPng($file);
|
|||
|
|
$transparent = imagecolorallocatealpha($dest, 0, 0, 0, 127);
|
|||
|
|
imagefill($dest, 0, 0, $transparent);
|
|||
|
|
imagecolortransparent($dest, $transparent);
|
|||
|
|
|
|||
|
|
imageAlphaBlending($dest, true);
|
|||
|
|
imageSaveAlpha($dest, true);
|
|||
|
|
|
|||
|
|
|
|||
|
|
break;
|
|||
|
|
case 18:
|
|||
|
|
$dest = imageCreatefromWebp($file);
|
|||
|
|
break;
|
|||
|
|
default:
|
|||
|
|
throw new Exception('Формат файла маски не подерживается');
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
switch ($position) {
|
|||
|
|
case 'top':
|
|||
|
|
$x = ceil(($this->width - $info[0]) / 2);
|
|||
|
|
$y = 0;
|
|||
|
|
break;
|
|||
|
|
case 'top-left':
|
|||
|
|
$x = 0;
|
|||
|
|
$y = 0;
|
|||
|
|
break;
|
|||
|
|
case 'top-right':
|
|||
|
|
$x = ceil($this->width - $info[0]);
|
|||
|
|
$y = 0;
|
|||
|
|
break;
|
|||
|
|
case 'left':
|
|||
|
|
$x = 0;
|
|||
|
|
$y = ceil(($this->height - $info[1]) / 2);
|
|||
|
|
break;
|
|||
|
|
case 'right':
|
|||
|
|
$x = ceil($this->width - $info[0]);
|
|||
|
|
$y = ceil(($this->height - $info[1]) / 2);
|
|||
|
|
break;
|
|||
|
|
case 'bottom':
|
|||
|
|
$x = ceil(($this->width - $info[0]) / 2);
|
|||
|
|
$y = ceil($this->height - $info[1]);
|
|||
|
|
break;
|
|||
|
|
case 'bottom-left':
|
|||
|
|
$x = 0;
|
|||
|
|
$y = ceil($this->height - $info[1]);
|
|||
|
|
break;
|
|||
|
|
case 'bottom-right':
|
|||
|
|
$x = ceil($this->width - $info[0]);
|
|||
|
|
$y = ceil($this->height - $info[1]);
|
|||
|
|
break;
|
|||
|
|
default:
|
|||
|
|
$x = ceil(($this->width - $info[0]) / 2);
|
|||
|
|
$y = ceil(($this->height - $info[1]) / 2);
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
$dest = $this->opacity($dest, $transparency);
|
|||
|
|
imagecopy($this->img, $dest, $x, $y, 0, 0, $info[0], $info[1]);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Сохраняет изображение в файл.
|
|||
|
|
*/
|
|||
|
|
public function saveJPG($filename, $quality = 100)
|
|||
|
|
{
|
|||
|
|
return imageJpeg($this->img, $filename, $quality);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public function savePNG($filename)
|
|||
|
|
{
|
|||
|
|
if (empty($filename)) {
|
|||
|
|
$filename = $this->filename;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return imagePng($this->img, $filename);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public function saveGIF($filename)
|
|||
|
|
{
|
|||
|
|
return imageGif($this->img, $filename);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public function saveWEBP($filename, $quality = 100)
|
|||
|
|
{
|
|||
|
|
return imageWebp($this->img, $filename, $quality);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public function save($filename = '', $quality = 100)
|
|||
|
|
{
|
|||
|
|
if (empty($filename)) {
|
|||
|
|
$filename = $this->filename;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
switch ($this->type) {
|
|||
|
|
case 1: return $this->saveGif($filename);
|
|||
|
|
case 2: return $this->saveJpg($filename, $quality);
|
|||
|
|
case 3: return $this->savePng($filename);
|
|||
|
|
case 18: return $this->saveWebp($filename);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Выводит изображение в браузер.
|
|||
|
|
*/
|
|||
|
|
public function output($quality = 100)
|
|||
|
|
{
|
|||
|
|
switch ($this->type) {
|
|||
|
|
case 1:
|
|||
|
|
header('Content-Type: image/gif');
|
|||
|
|
imageGif($this->img);
|
|||
|
|
break;
|
|||
|
|
case 2:
|
|||
|
|
header('Content-Type: image/jpeg');
|
|||
|
|
imageJpeg($this->img, null, $quality);
|
|||
|
|
break;
|
|||
|
|
case 3:
|
|||
|
|
header('Content-Type: image/x-png');
|
|||
|
|
imagePng($this->img);
|
|||
|
|
break;
|
|||
|
|
case 18:
|
|||
|
|
header('Content-Type: image/webp');
|
|||
|
|
imageWebp($this->img, $quality);
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Выводит изображение в браузер и Сохраняет его.
|
|||
|
|
*/
|
|||
|
|
public function saveOut($filename, $quality = 100)
|
|||
|
|
{
|
|||
|
|
if (empty($filename)) {
|
|||
|
|
$filename = $this->filename;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
switch ($this->type) {
|
|||
|
|
case 1:
|
|||
|
|
header('Content-Type: image/gif');
|
|||
|
|
imageGif($this->img, $filename);
|
|||
|
|
break;
|
|||
|
|
case 2:
|
|||
|
|
header('Content-Type: image/jpeg');
|
|||
|
|
imageJpeg($this->img, $filename, $quality);
|
|||
|
|
break;
|
|||
|
|
case 3:
|
|||
|
|
header('Content-Type: image/x-png');
|
|||
|
|
imagePng($this->img, $filename);
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
header('Content-Length: ' . filesize($filename));
|
|||
|
|
readfile($filename);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public function destroy()
|
|||
|
|
{
|
|||
|
|
imagedestroy($this->img);
|
|||
|
|
}
|
|||
|
|
}
|