/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.quercus.lib;
import com.caucho.quercus.QuercusException;
import com.caucho.quercus.annotation.Optional;
import com.caucho.quercus.annotation.Reference;
import com.caucho.quercus.env.BooleanValue;
import com.caucho.quercus.env.Env;
import com.caucho.quercus.env.LongValue;
import com.caucho.quercus.env.Value;
import com.caucho.quercus.module.AbstractQuercusModule;
import com.caucho.util.L10N;
import com.caucho.vfs.Path;
import javax.imageio.ImageIO;
import javax.imageio.ImageReader;
import java.io.IOException;
import java.util.Iterator;
/**
* PHP exif
*/
public class ExifModule extends AbstractQuercusModule {
private static final L10N L = new L10N(ExifModule.class);
/**
* Reads the EXIF headers from JPEG or TIFF
*/
public static Value exif_read_data(Env env, Path file,
@Optional String sections,
@Optional boolean arrays,
@Optional boolean thumbs)
{
return BooleanValue.FALSE;
}
/**
* Alias of exif_read_data()
*/
public static Value read_exif_data(Env env, Path file,
@Optional String sections,
@Optional boolean arrays,
@Optional boolean thumbs)
{
return exif_read_data(env, file, sections, arrays, thumbs);
}
/**
* Retrieve the embedded thumbnail of a TIFF or JPEG image
* @param filename the name of the image file being read.
* @param width the width of the returned thumbnail
* @param height the height of the returned thumbnail
* @param imagetype either TIFF or JPEG
* @return either the thumbnail or FALSE
*/
public static Value exif_thumbnail(Env env, Path file,
@Optional int width,
@Optional int height,
@Optional int imageType)
{
return BooleanValue.FALSE;
}
/**
* Get the header name for an index
*/
public static String exif_tagname(String index)
{
return null;
}
/**
* Determine the type of an image
*/
public static Value exif_imagetype(Env env, Path 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);
}
}
}