/**
* Generates JPG type image and returns its location on file system
*
* @param string $sSource image source
* @param string $sTarget image target
* @param int $iWidth image width
* @param int $iHeight image height
* @param int $iQuality new image quality
*
* @return string
*/
protected function _generateJpg($sSource, $sTarget, $iWidth, $iHeight, $iQuality)
{
return resizeJpeg($sSource, $sTarget, $iWidth, $iHeight, @getimagesize($sSource), getGdVersion(), null, $iQuality);
}
/**
* type dependant image resizing
*
* @param array $aImageInfo Contains information on image's type / width / height
* @param string $sSrc source image
* @param string $hDestinationImage Destination Image
* @param string $sTarget Resized Image target
* @param int $iNewWidth Resized Image's width
* @param int $iNewHeight Resized Image's height
* @param mixed $iGdVer used GDVersion, if null or false returns false
* @param bool $blDisableTouch false if "touch()" should be called for gif resizing
* @param string $iDefQuality quality for "imagejpeg" function
*
* @return bool
*/
protected function _resize($aImageInfo, $sSrc, $hDestinationImage, $sTarget, $iNewWidth, $iNewHeight, $iGdVer, $blDisableTouch, $iDefQuality)
{
startProfile("PICTURE_RESIZE");
$blSuccess = false;
switch ($aImageInfo[2]) {
//Image type
case $this->_aImageTypes["GIF"]:
//php does not process gifs until 7th July 2004 (see lzh licensing)
if (function_exists("imagegif")) {
$blSuccess = resizeGif($sSrc, $sTarget, $iNewWidth, $iNewHeight, $aImageInfo[0], $aImageInfo[1], $iGdVer);
}
break;
case $this->_aImageTypes["JPEG"]:
case $this->_aImageTypes["JPG"]:
$blSuccess = resizeJpeg($sSrc, $sTarget, $iNewWidth, $iNewHeight, $aImageInfo, $iGdVer, $hDestinationImage, $iDefQuality);
break;
case $this->_aImageTypes["PNG"]:
$blSuccess = resizePng($sSrc, $sTarget, $iNewWidth, $iNewHeight, $aImageInfo, $iGdVer, $hDestinationImage);
break;
}
if ($blSuccess && !$blDisableTouch) {
@touch($sTarget);
}
stopProfile("PICTURE_RESIZE");
return $blSuccess;
}
/**
* Generates JPG type image and returns its location on file system
*
* @param string $source image source
* @param string $target image target
* @param int $width image width
* @param int $height image height
* @param int $quality new image quality
*
* @return string
*/
protected function _generateJpg($source, $target, $width, $height, $quality)
{
return resizeJpeg($source, $target, $width, $height, @getimagesize($source), getGdVersion(), null, $quality);
}
