protected function Error($errObj, $exit = false)
{
$str = "Image Creator (MagickWand) Error Message";
$err_msg = "";
//$err_msg .= WandGetExceptionString($errObj);
switch (true) {
case IsMagickWand($errObj):
$err_msg .= MagickGetExceptionString($errObj);
break;
case IsDrawingWand($errObj):
$err_msg .= DrawGetExceptionString($errObj);
break;
case IsPixelWand($errObj):
case IsPixelIterator($errObj):
$err_msg .= PixelGetExceptionString($errObj);
break;
default:
$err_msg .= $errObj;
}
if (!empty($err_msg)) {
$str .= "(" . $err_msg . ")";
}
parent::Error($str, $exit);
return;
}
function createThumb($objWidth, $objHeight, $nmw = "")
{
$srcImage = $this->src_image_name;
if (!IsMagickWand($nmw)) {
$nmw = NewMagickWand();
MagickReadImage($nmw, $srcImage);
}
$srcImageWidth = MagickGetImageWidth($nmw);
$srcImageHeight = MagickGetImageHeight($nmw);
if ($objWidth == 0 || $objHeight == 0) {
$objWidth = $srcImageWidth;
$objHeight = $srcImageHeight;
}
if ($objWidth < $objHeight) {
$mu = $srcImageWidth / $objWidth;
$objHeight = ceil($srcImageHeight / $mu);
} else {
$mu = $srcImageHeight / $objHeight;
$objWidth = ceil($srcImageWidth / $mu);
}
MagickScaleImage($nmw, $objWidth, $objHeight);
$ndw = NewDrawingWand();
DrawComposite($ndw, MW_AddCompositeOp, 0, 0, $objWidth, $objHeight, $nmw);
$res = NewMagickWand();
MagickNewImage($res, $objWidth, $objHeight);
MagickDrawImage($res, $ndw);
MagickSetImageFormat($res, MagickGetImageFormat($nmw));
return $res;
}
