diff options
Diffstat (limited to 'mcs/class/System.Drawing/System.Drawing.Imaging/ImageCodecInfo.cs')
| -rw-r--r-- | mcs/class/System.Drawing/System.Drawing.Imaging/ImageCodecInfo.cs | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/mcs/class/System.Drawing/System.Drawing.Imaging/ImageCodecInfo.cs b/mcs/class/System.Drawing/System.Drawing.Imaging/ImageCodecInfo.cs new file mode 100644 index 00000000000..afe0e4be2a8 --- /dev/null +++ b/mcs/class/System.Drawing/System.Drawing.Imaging/ImageCodecInfo.cs @@ -0,0 +1,220 @@ +// +// System.Drawing.Imaging.ImageCodecInfo.cs +// +// Authors: +// Everaldo Canuto (everaldo.canuto@bol.com.br) +// Andreas Nahr (ClassDevelopment@A-SoftTech.com) +// Dennis Hayes (dennish@raytek.com) +// Andreas Nahr (ClassDevelopment@A-SoftTech.com) +// Dennis Hayes (dennish@raytek.com) +// Jordi Mas i Hernandez (jordi@ximian.com) +// +// (C) 2002 Ximian, Inc. http://www.ximian.com +// + +// +// Copyright (C) 2004 Novell, Inc (http://www.novell.com) +// +// Permission is hereby granted, free of charge, to any person obtaining +// a copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to +// permit persons to whom the Software is furnished to do so, subject to +// the following conditions: +// +// The above copyright notice and this permission notice shall be +// included in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +// + +using System; +using System.Runtime.InteropServices; +using System.Collections; +using System.IO; + +namespace System.Drawing.Imaging { + + [ComVisible (false)] + public sealed class ImageCodecInfo + { + private Guid clsid; + private string codecName; + private string dllName; + private string filenameExtension; + private ImageCodecFlags flags; + private string formatDescription; + private Guid formatID; + private string mimeType; + private byte[][] signatureMasks; + private byte[][] signaturePatterns; + private int version; + + internal ImageCodecInfo() + { + + } + + // methods + public static ImageCodecInfo[] GetImageDecoders() + { + int decoderNums, arraySize, decoder_size; + IntPtr decoders, decoder_ptr; + ImageCodecInfo[] result; + GdipImageCodecInfo gdipdecoder = new GdipImageCodecInfo(); + Status status; + + status = GDIPlus.GdipGetImageDecodersSize (out decoderNums, out arraySize); + GDIPlus.CheckStatus (status); + + result = new ImageCodecInfo [decoderNums]; + + if (decoderNums == 0) + return result; + + /* Get decoders list*/ + decoders = Marshal.AllocHGlobal (arraySize); + try { + status = GDIPlus.GdipGetImageDecoders (decoderNums, arraySize, decoders); + GDIPlus.CheckStatus (status); + + decoder_size = Marshal.SizeOf (gdipdecoder); + decoder_ptr = decoders; + + for (int i = 0; i < decoderNums; i++, decoder_ptr = new IntPtr (decoder_ptr.ToInt64 () + decoder_size)) { + gdipdecoder = (GdipImageCodecInfo) Marshal.PtrToStructure (decoder_ptr, typeof (GdipImageCodecInfo)); + result[i] = new ImageCodecInfo (); + GdipImageCodecInfo.MarshalTo (gdipdecoder, result[i]); + } + } + finally { + Marshal.FreeHGlobal (decoders); + } + return result; + } + + + public static ImageCodecInfo[] GetImageEncoders() + { + int encoderNums, arraySize, encoder_size; + IntPtr encoders, encoder_ptr; + ImageCodecInfo[] result; + GdipImageCodecInfo gdipencoder = new GdipImageCodecInfo(); + Status status; + + status = GDIPlus.GdipGetImageEncodersSize (out encoderNums, out arraySize); + GDIPlus.CheckStatus (status); + + result = new ImageCodecInfo [encoderNums]; + + if (encoderNums == 0) + return result; + + /* Get encoders list*/ + encoders = Marshal.AllocHGlobal (arraySize); + try { + status = GDIPlus.GdipGetImageEncoders (encoderNums, arraySize, encoders); + GDIPlus.CheckStatus (status); + + encoder_size = Marshal.SizeOf (gdipencoder); + encoder_ptr = encoders; + + for (int i = 0; i < encoderNums; i++, encoder_ptr = new IntPtr (encoder_ptr.ToInt64 () + encoder_size)) { + gdipencoder = (GdipImageCodecInfo) Marshal.PtrToStructure (encoder_ptr, typeof (GdipImageCodecInfo)); + result[i] = new ImageCodecInfo (); + GdipImageCodecInfo.MarshalTo (gdipencoder, result[i]); + } + } + finally { + Marshal.FreeHGlobal (encoders); + } + return result; + } + + // properties + + public Guid Clsid + { + get { return clsid; } + set { clsid = value; } + } + + + public string CodecName + { + get { return codecName; } + set { codecName = value; } + } + + + public string DllName + { + get { return dllName; } + set { dllName = value; } + } + + + public string FilenameExtension + { + get { return filenameExtension; } + set { filenameExtension = value; } + } + + + public ImageCodecFlags Flags + { + get { return flags; } + set { flags = value; } + } + + public string FormatDescription + { + get { return formatDescription; } + set { formatDescription = value; } + } + + public Guid FormatID + { + get { return formatID; } + set { formatID = value; } + } + + + public string MimeType + { + get { return mimeType; } + set { mimeType = value; } + } + + + [CLSCompliant(false)] + public byte[][] SignatureMasks + { + get { return signatureMasks; } + set { signatureMasks = value; } + } + + [MonoTODO] + [CLSCompliant(false)] + public byte[][] SignaturePatterns + { + get { return signaturePatterns; } + set { signaturePatterns = value; } + } + + public int Version + { + get { return version; } + set { version = value; } + } + + } + +} |