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<html>
<head>
<style>
body{
background-color: #3366CC; /* Цвет фона веб-страницы */
}
</style>
</head>
<body>
<?php
/*error_reporting(E_ALL);*/
class Mirror{
public $sizeX;
public $sizeY;
public $filenameI;
public $filenameO;
public $red;
public $green;
public $blue;
public $alpha;
function __construct($f){
$this->filenameI=$f.".png";
$this->filenameO=$f."2.png";
$size=getimagesize($this->filenameI);
$this->sizeX=$size[0];
$this->sizeY=$size[1];
}
function saveImg(){
if(!file_exists($this->filenameO)){
$xx=$this->sizeX;
$yy=($this->sizeY)*2;
$im = imagecreatetruecolor($xx, $yy);
imageAlphaBlending($im, false);
imageSaveAlpha($im, true);
for($x=0;$x<$xx;$x++){
for($y=0;$y<$yy;$y++){
$r=$this->red[$x][$y];
$g=$this->green[$x][$y];
$b=$this->blue[$x][$y];
$alph=$this->alpha[$x][$y];
$color=ImageColorAllocateAlpha($im, $r, $g, $b, $alph);
imagesetpixel($im, $x, $y, $color);
}
}
imagepng($im, $this->filenameO);
imagedestroy($im);
}
echo "<img src=\"".$this->filenameI."\" /><hr>\n";
echo "<img src=\"".$this->filenameO."\" /><br>\n";
}
function loadImg(){
$im = imagecreatefrompng($this->filenameI);
for($x=0;$x<$this->sizeX;$x++){
for($y=0;$y<$this->sizeY;$y++){
$rgb = imagecolorat($im, $x, $y);
$color=imagecolorsforindex($im, $rgb);
$this->red[$x][$y]=$color['red'];
$this->green[$x][$y]=$color['green'];
$this->blue[$x][$y]=$color['blue'];
$this->alpha[$x][$y]=$color['alpha'];
}
}
imagedestroy($im);
}
function createMirror(){
if(!file_exists($this->filenameO)){
$yy=($this->sizeY*2);
for($x=0;$x<$this->sizeX;$x++){
$alph=0;
for($y=$this->sizeY;$y<$yy;$y++){
if($alph<126){
$alph++;
}
$this->red[$x][$y]=$this->red[$x][$this->sizeY-($y-$this->sizeY)-1];
$this->green[$x][$y]=$this->green[$x][$this->sizeY-($y-$this->sizeY)-1];
$this->blue[$x][$y]=$this->blue[$x][$this->sizeY-($y-$this->sizeY)-1];
$this->alpha[$x][$y]=$alph+$this->alpha[$x][$this->sizeY-($y-$this->sizeY)-1];
if($this->alpha[$x][$y]>127) $this->alpha[$x][$y]=127;
}
}
}
}
}
$filename="alpha";
$mirror=new Mirror($filename);
$mirror->loadImg();
$mirror->createMirror();
$mirror->saveImg();
?>
</body>
</html>
Делал для одного сайта зеркальное отражение картинки (photoshop использовать не умеем-с). Почему-то сервер часто падал.
Как оно работает, можно посмотреть здесь http://xcont.com/perc/newperceptron/cell/mirror.php
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