C# ImageResource.GetDataReader方法代码示例

        public Slices(ImageResource imgRes)
            : base(imgRes)
        {
            BinaryPSDReader reader = imgRes.GetDataReader();
            this.Version = reader.ReadUInt32();
            this.Rectangle = reader.ReadPSDRectangle(); // new Rectangle(reader).ToERectangle();
            this.SlicesName = reader.ReadPSDUnicodeString();

            int cnt = (int)reader.ReadUInt32();
            this.SliceList = new List<Slice>();
            for (int i = 0; i < cnt; i++)
                this.SliceList.Add(new Slice(reader));

            int unknown1 = (int)reader.ReadUInt32();
            int unknown2 = (int)reader.ReadUInt32();
            ushort unknown3 = reader.ReadUInt16();
            string unknown4 = DynVal.ReadSpecialString(reader);
            int unknown5 = (int)reader.ReadUInt32();

            this.Values = new List<DynVal>();
            while (reader.BytesToEnd > 0)
            {
                DynVal val = DynVal.ReadValue(reader, false);
                this.Values.Add(val);
            }
            //this.Values = DynVal.ReadValues(reader);
            //this.Data = reader.ReadBytes((int)reader.BytesToEnd);
            reader.Close();
        }

 public CopyrightInfo(ImageResource imgRes)
     : base(imgRes)
 {
     BinaryPSDReader reader = imgRes.GetDataReader();
     this.Value = reader.ReadByte() == 0 ? false : true;
     reader.Close();
 }

        public ResolutionInfo(ImageResource imgRes)
            : base(imgRes)
        {
            //m_bResolutionInfoFilled = true;
            BinaryReverseReader reader = imgRes.GetDataReader();

            this.hRes = reader.ReadInt16();
            this.hResUnit = reader.ReadInt32();
            this.widthUnit = reader.ReadInt16();

            this.vRes = reader.ReadInt16();
            this.vResUnit = reader.ReadInt32();
            this.heightUnit = reader.ReadInt16();

            reader.Close();

            //int ppm_x = 3780;	// 96 dpi
            //int ppm_y = 3780;	// 96 dpi

            //if (psd.ResolutionInfo != null)
            //{
            //    int nHorzResolution = (int)psd.ResolutionInfo.hRes;
            //    int nVertResolution = (int)psd.ResolutionInfo.vRes;

            //    ppm_x = (nHorzResolution * 10000) / 254;
            //    ppm_y = (nVertResolution * 10000) / 254;
            //}
        }

        public Thumbnail(ImageResource imgRes)
            : base(imgRes)
        {
            BinaryPSDReader reader = imgRes.GetDataReader();

            //m_bThumbnailFilled = true;

            this.Format = reader.ReadInt32();
            this.Width = reader.ReadInt32();
            this.Height = reader.ReadInt32();
            this.WidthBytes = reader.ReadInt32(); //padded row bytes (
            this.Size = reader.ReadInt32(); //Total size widthbytes * height * planes
            this.CompressedSize = reader.ReadInt32(); //used for consistancy check
            this.BitPerPixel = reader.ReadInt16();
            this.Planes = reader.ReadInt16();

            int numBytes = (int)reader.BytesToEnd;
            byte[] buffer = reader.ReadBytes(numBytes);

            if (this.ID == 1033)
            {
                // BGR
                for (int n = 0; n < numBytes - 2; n += 3)
                {
                    byte tmp = buffer[n + 2];
                    buffer[n + 2] = buffer[n];
                    buffer[n] = tmp;
                }
            }
            System.IO.MemoryStream stream = new System.IO.MemoryStream(buffer);
            this.Bitmap = new System.Drawing.Bitmap(stream);

            reader.Close();
        }

 public ColorTransferFunctions(ImageResource imgRes)
     : base(imgRes)
 {
     BinaryPSDReader reader = imgRes.GetDataReader();
     this.Functions = new List<ColorTransferFunction>();
     for (int i = 0; i < 4; i++)
         this.Functions.Add(new ColorTransferFunction(reader));
     reader.Close();
 }

        public LayersGroupInfo(ImageResource imgRes)
            : base(imgRes)
        {
            BinaryPSDReader reader = imgRes.GetDataReader();

            this.GroupIds = new List<ushort>();
            while (reader.BytesToEnd > 0)
                this.GroupIds.Add(reader.ReadUInt16());

            reader.Close();
        }

        public XMLInfo(ImageResource imgRes)
            : base(imgRes)
        {
            BinaryPSDReader reader = imgRes.GetDataReader();
            string xml = new string(reader.ReadPSDChars((int)reader.BaseStream.Length));
            XmlDocument doc = new XmlDocument();
            doc.LoadXml(xml);
            this.Xml = doc;

            reader.Close();
        }

        public VersionInfo(ImageResource imgRes)
            : base(imgRes)
        {
            BinaryPSDReader reader = imgRes.GetDataReader();
            this.Version = reader.ReadUInt32();
            this.HasRealMergedData = reader.ReadBoolean();
            this.WriterName = reader.ReadPSDUnicodeString();
            this.ReaderName = reader.ReadPSDUnicodeString();
            this.FileVersion = reader.ReadUInt32();

            reader.Close();
        }

        public ColorHalftoneInfo(ImageResource imgRes)
            : base(imgRes)
        {
            BinaryPSDReader reader = imgRes.GetDataReader();

            this.Screens = new List<Screen>();
            for (int i = 0; i < 4; i++)
            {
                this.Screens.Add(new Screen(reader));
            }

            reader.Close();
        }

        public short Opacity; // 0..100

        #endregion Fields

        #region Constructors

        public DisplayInfo(ImageResource imgRes)
        {
            BinaryReverseReader reader = imgRes.GetDataReader();

            this.ColorSpace = (ColorModes)reader.ReadInt16();
            for(int i=0; i<4; i++)
                this.Color[i] = reader.ReadInt16();

            this.Opacity = (short)Math.Max(0,Math.Min(100,(int)reader.ReadInt16()));
            this.kind = reader.ReadByte()==0?false:true;

            reader.Close();
        }

 public AlphaChannelNames(ImageResource imgRes)
     : base(imgRes)
 {
     BinaryPSDReader reader = imgRes.GetDataReader();
     while (reader.BytesToEnd > 0)
     {
         //no padding in these strings!
         byte length = reader.ReadByte();
         string name = new string(reader.ReadPSDChars(length));
         if (name.Length > 0)
             this._names.Add(name);
     }
     reader.Close();
 }

        public ResolutionInfo(ImageResource imgRes)
            : base(imgRes)
        {
            //m_bResolutionInfoFilled = true;
            BinaryPSDReader reader = imgRes.GetDataReader();

            this.hRes = reader.ReadInt16();
            this.hResUnit = reader.ReadInt32();
            this.widthUnit = reader.ReadInt16();

            this.vRes = reader.ReadInt16();
            this.vResUnit = reader.ReadInt32();
            this.heightUnit = reader.ReadInt16();

            reader.Close();
        }

        public GridGuidesInfo(ImageResource imgRes)
            : base(imgRes)
        {
            BinaryPSDReader reader = imgRes.GetDataReader();

            uint Version = reader.ReadUInt32();

            //Future implementation of document-specific grids. Initially, set the grid cycle to every quarter inch. At 72 dpi, that would be 18 * 32 = 576 (0x240)
            this.GridCycle = reader.ReadUInt64();

            uint guideCount = reader.ReadUInt32();

            for (int i = 0; i < guideCount; i++)
            {
                GridGuide guide = new GridGuide(reader);
                this.Guides.Add(guide);
            }

            reader.Close();
        }

        public Thumbnail(ImageResource imgRes)
        {
            BinaryReverseReader reader = imgRes.GetDataReader();

            //m_bThumbnailFilled = true;

            this.nFormat = reader.ReadInt32();
            this.nWidth = reader.ReadInt32();
            this.nHeight = reader.ReadInt32();
            this.nWidthBytes = reader.ReadInt32();
            this.nSize = reader.ReadInt32();
            this.nCompressedSize = reader.ReadInt32();
            this.nBitPerPixel = reader.ReadInt16();
            this.nPlanes = reader.ReadInt16();

            int nTotalData = this.nSize - 28; // header

            byte [] buffer = new byte[nTotalData];
            if (this.ID == 1033)
            {
                // BGR
                for(int n=0; n<nTotalData; n=n+3)
                {
                    buffer[n+2] = reader.ReadByte();
                    buffer[n+1] = reader.ReadByte();
                    buffer[n+0] = reader.ReadByte();
                }
            }
            else if (this.ID == 1036)
            {
                // RGB
                for (int n=0; n<nTotalData; ++n)
                    buffer[n] = reader.ReadByte();
            }
            reader.Close();
        }

 public CopyrightInfo(ImageResource imgRes)
 {
     BinaryReverseReader reader = imgRes.GetDataReader();
     this.Copyrighted = reader.ReadByte()==0?false:true;
     reader.Close();
 }