<?php
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/*---------------------------------------------------------------*/
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/*
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Titre : Effet miroir sur des images
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URL : https://phpsources.net/code_s.php?id=981
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Date édition : 15 Fév 2019
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Date mise à jour : 11 Aout 2019
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Rapport de la maj:
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- modification de la description
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*/
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/*---------------------------------------------------------------*/
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function pic_flip($src , $dest , $format , $flip="H"){
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/* Paramètres : $src : fichier source
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* $dest : fichier de destination
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* $format : format de l'image résultat
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* ("GIF", "JPG", "PNG", "WBMP")
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* $flip : type de flip H => horizontal
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* V => vertical
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* VH ou HV => horizontal puis vertical
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*/
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$flip = strtoupper($flip);
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if (file_exists($src))
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$size = getimagesize($src);
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else
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return FALSE;
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switch($size[2])
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{
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case 1 :
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if (imagetypes() & IMG_GIF)
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$pic = imagecreatefromgif($src);
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break;
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case 2 :
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if (imagetypes() & IMG_JPG)
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$pic = imagecreatefromjpeg($src);
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break;
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case 3 :
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if (imagetypes() & IMG_PNG)
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$pic = imagecreatefrompng($src);
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break;
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default :
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if (preg_match("/\.wbmp$/i", $src) && (imagetypes() & IMG_WBMP))
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$pic = imagecreatefromwbmp($src);
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}
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if (!$pic)
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return FALSE;
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$width = imagesx($pic);
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$height = imagesy($pic);
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$p = imagecreate($width, $height);
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if ($flip == 'V')
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{
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for($i=0;$i<$height;$i++)
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{
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imagecopy($p, $pic, 0, $height-1-$i, 0, $i, $width, 1);
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}
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imagedestroy($pic);
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$pic = $p;
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}
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if ($flip == 'H')
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{
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for($i=0;$i<$width;$i++)
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{
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imagecopy($p, $pic, $width-1-$i, 0, $i, 0, 1, $height);
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}
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imagedestroy($pic);
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$pic = $p;
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}
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if ($flip == 'HV' || $flip == 'VH')
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{
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for($i=0;$i<$height;$i++)
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{
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imagecopy($p, $pic, 0, $height-1-$i, 0, $i, $width, 1);
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}
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for($i=0;$i<$width;$i++)
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{
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imagecopy($pic, $p, $width-1-$i, 0, $i, 0, 1, $height);
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}
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}
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$format = strtoupper($format);
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if ($format == "GIF")
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{
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if (imagetypes() & IMG_GIF)
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imagegif($pic, $dest);
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else
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return FALSE;
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}
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else if ($format == "JPG")
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{
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if (imagetypes() & IMG_JPG)
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imagejpeg($pic, $dest);
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else
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return FALSE;
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}
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else if ($format == "PNG")
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{
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if (imagetypes() & IMG_PNG)
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imagepng($pic, $dest);
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else
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return FALSE;
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}
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else if ($format == "WBMP")
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{
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if (imagetypes() & IMG_WBMP)
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imagewbmp($pic, $dest);
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else
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return FALSE;
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}
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else return FALSE;
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return TRUE;
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}
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?>
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