", $stext);
return $stext;
}
function sprint($stext){
return htmlspecialchars(stripslashes($stext));
}
function chi_sprint($stext){
$my_stext = stripslashes($stext);
$my_stext = str_replace ('\'', ''', $my_stext );
$my_stext = str_replace ('"', '"', $my_stext );
return $my_stext;
}
function check_email($str)
{
//returns 1 if valid email, 0 if not
if(ereg("^.+@.+\\..+$", $str))
return 1;
else
return 0;
}
function ImageResize_X(&$src, $x, $y){
$dst = imagecreatetruecolor($x, $y);
$pals = ImageColorsTotal($src);
for ($i = 0; $i < $pals; $i++){
$colors = ImageColorsForIndex ($src, $i);
ImageColorAllocate($dst, $colors['red'], $colors['green'], $colors['blue']);
}
$scX = (imagesx($src) - 1) / $x;
$scY = (imagesy($src) - 1) / $y;
$scX2 = intval($scX / 2);
$scY2 = intval($scY / 2);
for ($j = 0; $j < ($y); $j++){
$sY = intval($j * $scY);
$y13 = $sY + $scY2;
for ($i = 0; $i < ($x); $i++){
$sX = intval($i * $scX);
$x34 = $sX + $scX2;
$c1 = ImageColorsForIndex($src, ImageColorAt($src, $sX, $y13));
$c2 = ImageColorsForIndex($src, ImageColorAt($src, $sX, $sY));
$c3 = ImageColorsForIndex($src, ImageColorAt($src, $x34,$y13));
$c4 = ImageColorsForIndex($src, ImageColorAt($src, $x34,$sY));
$r = ($c1['red'] + $c2['red'] + $c3['red'] + $c4['red']) / 4;
$g = ($c1['green'] + $c2['green'] + $c3['green'] + $c4['green']) / 4;
$b = ($c1['blue'] + $c2['blue'] + $c3['blue'] + $c4['blue']) / 4;
ImageSetPixel ($dst, $i, $j, ImageColorClosest($dst, $r, $g, $b));
}
}
return ($dst);
}
function makeImage($filepath, $width, $height, $targetfile){
// $imB = ImageCreate($width, $height);
$im = imagecreatefromjpeg($filepath);
if ($height == 0 && $width == 0)
return false;
else{
if ($height == 0){
$scX = (imagesx($im) - 1) / $width;
$height = (imagesy($im) - 1) / $scX;
}
if ($width == 0){
$scY = (imagesy($im) - 1) / $height;
$width = (imagesx($im) - 1) / $scY;
}
$imB = ImageCreate($width, $height);
$imB = ImageResize_X($im, $width, $height);
imagejpeg($imB, $targetfile, 100);
return true;
}
}
function spic_upload($product_image, $width, $height, $destination, $watermark="N", $wmfile=""){
$img = ImageCreateFromJpeg($product_image);
$y = ImageSY($img);
$x = ImageSX($img);
if (($y != "") && ($x != "")){
if($y * $width >= $x * $height){
if ($y >= $height)
makeImage($product_image, 0, $height, $destination) or die("Cannot upload the image");
else
makeImage($product_image, 0, $y, $destination) or die("Cannot upload the image");
}
else{
if ($x >= $width)
makeImage($product_image, $width, 0, $destination) or die("Cannot upload the image");
else
makeImage($product_image, $x, 0, $destination) or die("Cannot upload the image");
}
if($watermark == "Y")
waterMark($destination, "../../upload/$wmfile");
return true;
}
else
return false;
}
function showimage($imagepath, $imagewidth, $imageheight, $error_msg="No image", $imageid=""){
if(is_file($imagepath)){
$img = ImageCreateFromJpeg($imagepath);
$y = ImageSY($img);
$x = ImageSX($img);
if($y >= $x){
if($y > $imageheight)
$myphoto = "![](\"$imagepath\")
";
else
$myphoto = "";
}else{
if($x > $imagewidth)
$myphoto = "";
else
$myphoto = "";
}
}
else
$myphoto = "$error_msg";
if($myphoto != "")
echo "$myphoto";
}
function waterMark($fileInHD, $wmFile, $transparency = 50, $jpegQuality = 90, $margin = 20) {
$wmImg = imageCreateFromGIF($wmFile);
$jpegImg = imageCreateFromJPEG($fileInHD);
// Water mark random position
$wmX = (imagesx($jpegImg) - imagesx($wmImg)) / 2;
$wmY = imagesy($jpegImg) + $margin;
// Water mark process
imageCopyMerge($jpegImg, $wmImg, $wmX, $wmY, 0, 0, imageSX($wmImg), imageSY($wmImg), $transparency);
// Overwriting image
ImageJPEG($jpegImg, $fileInHD, $jpegQuality);
}
function substr_big5($str,$ct) {
if(strlen($str) > $ct) {
for($i=0;$i<$ct;$i++) {
$ch=substr($str,$i,1);
if(ord($ch)>127) $i++;
}
$str= substr($str,0,$i);
}
return $str;
}
?>