using System.Collections.Specialized;
using System.Configuration;
using System.IO;
+using Mainsoft.Drawing.Imaging;
+
using imageio = javax.imageio;
using spi = javax.imageio.spi;
private byte[][] signaturePatterns;
private int version;
- #region SpiIterators
- abstract class BaseSpiIterator {
- protected abstract java.util.Iterator GetIterator (string mimeType);
- protected abstract spi.ImageReaderWriterSpi GetNext (java.util.Iterator iter);
-
- #region ProcessOneCodec
- ImageCodecInfo ProcessOneCodec (Guid clsid, Guid formatID, string mimeType) {
- ImageCodecInfo ici = new ImageCodecInfo ();
- ici.Clsid = clsid;
- ici.FormatID = formatID;
- ici.MimeType = mimeType;
- java.util.Iterator iter = GetIterator (mimeType);
- while (iter.hasNext ()) {
- spi.ImageReaderWriterSpi rw = GetNext (iter);
- try {
- ici.CodecName = rw.getDescription (java.util.Locale.getDefault ());
- ici.DllName = null;
- foreach (string suffix in rw.getFileSuffixes ()) {
- if (ici.FilenameExtension != null)
- ici.FilenameExtension += ";";
- ici.FilenameExtension += "*."+suffix;
- }
- ici.Flags = ImageCodecFlags.Builtin|ImageCodecFlags.SupportBitmap;
- if (rw is spi.ImageReaderSpi) {
- ici.Flags |= ImageCodecFlags.Decoder;
- if ((rw as spi.ImageReaderSpi).getImageWriterSpiNames().Length != 0)
- ici.Flags |= ImageCodecFlags.Encoder;
- }
- if (rw is spi.ImageWriterSpi) {
- ici.Flags |= ImageCodecFlags.Encoder;
- if ((rw as spi.ImageWriterSpi).getImageReaderSpiNames().Length != 0)
- ici.Flags |= ImageCodecFlags.Decoder;
- }
- ici.FormatDescription = string.Join(";",
- rw.getFormatNames());
- ici.Version = (int)Convert.ToDouble(rw.getVersion ());
- break;
- }
- catch {
- }
- }
- return ici;
- }
- #endregion
-
- public Hashtable Iterate () {
- NameValueCollection nvc = (NameValueCollection) System.Configuration.ConfigurationSettings
- .GetConfig ("system.drawing/codecs");
- Hashtable codecs = new Hashtable (10);
-
- for (int i=0; i<nvc.Count; i++) {
- Guid clsid = new Guid (nvc.GetKey (i));
- ImageFormat format = ClsidToImageFormat (clsid);
- ImageCodecInfo codec = ProcessOneCodec (clsid, format.Guid, nvc[i]);
- if (codec.FilenameExtension != null)
- codecs [clsid] = codec;
- }
- return codecs;
- }
- }
-
- class ReaderSpiIterator: BaseSpiIterator {
- protected override java.util.Iterator GetIterator(string mimeType) {\r
- return imageio.ImageIO.getImageReadersByMIMEType (mimeType);\r
- }\r
- protected override javax.imageio.spi.ImageReaderWriterSpi GetNext(java.util.Iterator iter) {\r
- imageio.ImageReader r = (imageio.ImageReader) iter.next ();\r
- return r.getOriginatingProvider ();\r
- }\r
- }
-
- class WriterSpiIterator: BaseSpiIterator {
- protected override java.util.Iterator GetIterator(string mimeType) {\r
- return imageio.ImageIO.getImageWritersByMIMEType (mimeType);\r
- }\r
- protected override javax.imageio.spi.ImageReaderWriterSpi GetNext(java.util.Iterator iter) {\r
- imageio.ImageWriter w = (imageio.ImageWriter) iter.next ();\r
- return w.getOriginatingProvider ();\r
- }\r
- }
- #endregion
-
- #region Clsid and FormatID
- static Guid BmpClsid = new Guid ("557cf400-1a04-11d3-9a73-0000f81ef32e");
- static Guid JpegClsid = new Guid ("557cf401-1a04-11d3-9a73-0000f81ef32e");
- static Guid GifClsid = new Guid ("557cf402-1a04-11d3-9a73-0000f81ef32e");
- static Guid EmfClsid = new Guid ("557cf403-1a04-11d3-9a73-0000f81ef32e");
- static Guid WmfClsid = new Guid ("557cf404-1a04-11d3-9a73-0000f81ef32e");
- static Guid TiffClsid = new Guid ("557cf405-1a04-11d3-9a73-0000f81ef32e");
- static Guid PngClsid = new Guid ("557cf406-1a04-11d3-9a73-0000f81ef32e");
- static Guid IconClsid = new Guid ("557cf407-1a04-11d3-9a73-0000f81ef32e");
-
- internal static ImageFormat ClsidToImageFormat (Guid clsid)
- {
- if (clsid.Equals (BmpClsid))
- return ImageFormat.Bmp;
- else if (clsid.Equals (JpegClsid))
- return ImageFormat.Jpeg;
- else if (clsid.Equals (GifClsid))
- return ImageFormat.Gif;
- else if (clsid.Equals (EmfClsid))
- return ImageFormat.Emf;
- else if (clsid.Equals (WmfClsid))
- return ImageFormat.Wmf;
- else if (clsid.Equals (TiffClsid))
- return ImageFormat.Tiff;
- else if (clsid.Equals (PngClsid))
- return ImageFormat.Png;
- else if (clsid.Equals (IconClsid))
- return ImageFormat.Icon;
- else
- return null;
- }
-
- internal static Guid ImageFormatToClsid (ImageFormat format)
- {
- if (format == null)
- return Guid.Empty;
-
- if (format.Guid.Equals (ImageFormat.Bmp.Guid))
- return BmpClsid;
- else if (format.Guid.Equals (ImageFormat.Jpeg.Guid))
- return JpegClsid;
- else if (format.Guid.Equals (ImageFormat.Gif))
- return GifClsid;
- else if (format.Guid.Equals (ImageFormat.Emf.Guid))
- return EmfClsid;
- else if (format.Guid.Equals (ImageFormat.Wmf.Guid))
- return WmfClsid;
- else if (format.Guid.Equals (ImageFormat.Tiff.Guid))
- return TiffClsid;
- else if (format.Guid.Equals (ImageFormat.Png.Guid))
- return PngClsid;
- else if (format.Guid.Equals (ImageFormat.Icon.Guid))
- return IconClsid;
- else
- return Guid.Empty;
- }
- #endregion
-
- #region Internals
- internal static Hashtable Decoders {
- get {
- const string MYNAME = "System.Drawing.Imaging.ImageCodecInfo.decoders";
- Hashtable o = (Hashtable) AppDomain.CurrentDomain.GetData (MYNAME);
- if (o != null)
- return o;
- o = new ReaderSpiIterator ().Iterate ();
- AppDomain.CurrentDomain.SetData (MYNAME, o);
- return o;
- }
- }
-
- internal static Hashtable Encoders {
- get {
- const string MYNAME = "System.Drawing.Imaging.ImageCodecInfo.encoders";
- Hashtable o = (Hashtable) AppDomain.CurrentDomain.GetData (MYNAME);
- if (o != null)
- return o;
- o = new WriterSpiIterator ().Iterate ();
- AppDomain.CurrentDomain.SetData (MYNAME, o);
- return o;
- }
- }
-
- internal static ImageCodecInfo FindEncoder (Guid clsid) {
- return (ImageCodecInfo) Encoders [clsid];
- }
-
- internal static ImageCodecInfo FindDecoder (Guid clsid) {
- return (ImageCodecInfo) Decoders [clsid];
- }
-
- internal static string ImageFormatToMimeType (ImageFormat format) {
- //FIXME: this code assumes that any encoder has corresponding decoder
- Guid clsid = ImageFormatToClsid (format);
- ImageCodecInfo codec = FindDecoder (clsid);
- if (codec == null)
- return null;
- return codec.MimeType;
- }
- #endregion
-
public static ImageCodecInfo[] GetImageDecoders ()
{
- Hashtable oldInfo = Decoders;
+ Hashtable oldInfo = ImageCodec.Decoders;
ImageCodecInfo [] newInfo = new ImageCodecInfo [oldInfo.Count];
int i=0;
foreach (ImageCodecInfo codec in oldInfo.Values) {
return newInfo;
}
- private ImageCodecInfo () {
+ internal ImageCodecInfo () {
}
public static ImageCodecInfo[] GetImageEncoders ()
{
- Hashtable oldInfo = Encoders;
+ Hashtable oldInfo = ImageCodec.Encoders;
ImageCodecInfo [] newInfo = new ImageCodecInfo [oldInfo.Count];
int i=0;
foreach (ImageCodecInfo codec in oldInfo.Values) {
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