/**
* Determine the type of an image
*/
public static Value exif_imagetype(Env env, string file)
{
try {
Iterator it = ImageIO.getImageReaders(file.openRead());
if (!it.hasNext())
{
return(BooleanValue.FALSE);
}
ImageReader imageReader = (ImageReader)it.next();
if (it.hasNext())
{
throw new QuercusException("ImageIO returned two ImageReaders:\n "
+ imageReader + "\n " + it.next());
}
string formatName = imageReader.getFormatName();
if (formatName.equals("jpeg") || formatName.equals("jpg"))
{
return(LongValue.create(ImageModule.IMAGETYPE_JPG));
}
if (formatName.equals("gif"))
{
return(LongValue.create(ImageModule.IMAGETYPE_GIF));
}
if (formatName.equals("png"))
{
return(LongValue.create(ImageModule.IMAGETYPE_PNG));
}
if (formatName.equals("swf"))
{
return(LongValue.create(ImageModule.IMAGETYPE_SWF));
}
if (formatName.equals("psd"))
{
return(LongValue.create(ImageModule.IMAGETYPE_PSD));
}
if (formatName.equals("bmp"))
{
return(LongValue.create(ImageModule.IMAGETYPE_BMP));
}
if (formatName.equals("tiff"))
{
return(LongValue.create(ImageModule.IMAGETYPE_TIFF_II));
}
/*
* // XXX: check byte order
* if (formatName.equals("tiff"))
* return ImageModule.IMAGETYPE_TIFF_MM;
*/
if (formatName.equals("jpc"))
{
return(LongValue.create(ImageModule.IMAGETYPE_JPC));
}
if (formatName.equals("jp2"))
{
return(LongValue.create(ImageModule.IMAGETYPE_JP2));
}
if (formatName.equals("jpf"))
{
return(LongValue.create(ImageModule.IMAGETYPE_JPX));
}
if (formatName.equals("jb2"))
{
return(LongValue.create(ImageModule.IMAGETYPE_JB2));
}
if (formatName.equals("swc"))
{
return(LongValue.create(ImageModule.IMAGETYPE_SWC));
}
if (formatName.equals("iff"))
{
return(LongValue.create(ImageModule.IMAGETYPE_IFF));
}
if (formatName.equals("wbmp"))
{
return(LongValue.create(ImageModule.IMAGETYPE_WBMP));
}
if (formatName.equals("xbm"))
{
return(LongValue.create(ImageModule.IMAGETYPE_XBM));
}
env.warning(L.l("ImageIO returned unknown image type: " + formatName));
return(BooleanValue.FALSE);
}
catch (IOException e)
{
throw new QuercusException(e);
}
}