implemented PDT10 images.

ArcFormats/ArcFormats.csproj

@@ -92,6 +92,7 @@
     <Compile Include="RealLive\ArcOVK.cs" />
     <Compile Include="RealLive\AudioNWA.cs" />
     <Compile Include="RealLive\ImageG00.cs" />
+    <Compile Include="RealLive\ImagePDT.cs" />
     <Compile Include="Silky\ImageZIT.cs" />
     <Compile Include="SimpleEncryption.cs" />
     <Compile Include="Slg\AudioVOI.cs" />

ArcFormats/RealLive/ImagePDT.cs

@@ -0,0 +1,185 @@
+//! \file       ImagePDT.cs
+//! \date       Tue Apr 19 15:32:31 2016
+//! \brief      AVG32 engine image format.
+//
+// Copyright (C) 2016 by morkt
+//
+// 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.ComponentModel.Composition;
+using System.IO;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using GameRes.Utility;
+
+namespace GameRes.Formats.RealLive
+{
+    internal class PdtMetaData : ImageMetaData
+    {
+        public uint AlphaOffset;
+    }
+
+    [Export(typeof(ImageFormat))]
+    public class PdtFormat : ImageFormat
+    {
+        public override string         Tag { get { return "PDT"; } }
+        public override string Description { get { return "AVG32 engine image format"; } }
+        public override uint     Signature { get { return 0x31544450; } } // 'PDT1'
+
+        public override ImageMetaData ReadMetaData (Stream stream)
+        {
+            var header = new byte[32];
+            if (header.Length != stream.Read (header, 0, header.Length))
+                return null;
+            if (!Binary.AsciiEqual (header, "PDT10\0"))
+                return null;
+            return new PdtMetaData
+            {
+                Width   = LittleEndian.ToUInt32 (header, 0x0C),
+                Height  = LittleEndian.ToUInt32 (header, 0x10),
+                BPP     = 32,
+                AlphaOffset = LittleEndian.ToUInt32 (header, 0x1C),
+            };
+        }
+
+        public override ImageData Read (Stream stream, ImageMetaData info)
+        {
+            using (var reader = new PdtReader (stream, (PdtMetaData)info))
+            {
+                reader.Unpack();
+                return ImageData.Create (info, reader.Format, reader.Palette, reader.Data);
+            }
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new NotImplementedException ("PdtFormat.Write not implemented");
+        }
+    }
+
+    internal sealed class PdtReader : IDisposable
+    {
+        BinaryReader    m_input;
+        byte[]          m_output;
+        PdtMetaData     m_info;
+
+        public byte[]           Data { get { return m_output; } }
+        public PixelFormat    Format { get; private set; }
+        public BitmapPalette Palette { get; private set; }
+
+        public PdtReader (Stream input, PdtMetaData info)
+        {
+            m_input = new ArcView.Reader (input);
+            m_info = info;
+            m_output = new byte[m_info.Width * m_info.Height * 4];
+            if (0 == m_info.AlphaOffset)
+                Format = PixelFormats.Bgr32;
+            else
+                Format = PixelFormats.Bgra32;
+        }
+
+        public void Unpack ()
+        {
+            m_input.BaseStream.Position = 0x20;
+            Unpack24();
+            if (0 != m_info.AlphaOffset)
+            {
+                m_input.BaseStream.Position = m_info.AlphaOffset;
+                var alpha = Unpack8();
+                int src = 0;
+                for (int i = 3; i < m_output.Length; i += 4)
+                {
+                    m_output[i] = alpha[src++];
+                }
+            }
+        }
+
+        void Unpack24 ()
+        {
+            int dst = 0;
+            int bits = 0;
+            int mask = 0;
+            while (dst < m_output.Length)
+            {
+                mask >>= 1;
+                if (0 == mask)
+                {
+                    bits = m_input.ReadByte();
+                    mask = 0x80;
+                }
+                if (0 != (bits & mask))
+                {
+                    m_input.Read (m_output, dst, 3);
+                    dst += 4;
+                }
+                else
+                {
+                    int offset = m_input.ReadUInt16();
+                    int count = (1 + (offset & 0xF)) * 4;
+                    offset = (1 + (offset >> 4)) * 4;
+                    Binary.CopyOverlapped (m_output, dst-offset, dst, count);
+                    dst += count;
+                }
+            }
+        }
+
+        byte[] Unpack8 ()
+        {
+            var output = new byte[m_info.Width * m_info.Height];
+            int dst = 0;
+            int bits = 0;
+            int mask = 0;
+            while (dst < output.Length)
+            {
+                mask >>= 1;
+                if (0 == mask)
+                {
+                    bits = m_input.ReadByte();
+                    mask = 0x80;
+                }
+                if (0 != (bits & mask))
+                {
+                    output[dst++] = m_input.ReadByte();
+                }
+                else
+                {
+                    int count = 2 + m_input.ReadByte();
+                    int offset = 1 + m_input.ReadByte();
+                    Binary.CopyOverlapped (output, dst-offset, dst, count);
+                    dst += count;
+                }
+            }
+            return output;
+        }
+
+        #region IDisposable Members
+        bool _disposed = false;
+        public void Dispose ()
+        {
+            if (!_disposed)
+            {
+                m_input.Dispose();
+                _disposed = true;
+            }
+        }
+        #endregion
+    }
+}

supported.html

@@ -783,11 +783,12 @@ Angenehm Platz -Kleiner Garten Sie Erstellen-<br/>
 <tr><td>*.zit</td><td><tt>ZT</tt></td><td>No</td><td>Silky's</td><td>
 Sweet ~Hanjuku na Tenshi-tachi~<br/>
 </td></tr>
-<tr class="odd"><td>*.ovk</td><td>-</td><td>No</td><td rowspan="3">RealLive</td><td rowspan="3">
+<tr class="odd"><td>*.ovk</td><td>-</td><td>No</td><td rowspan="4">RealLive</td><td rowspan="4">
 Shiawase na Ohime-sama<br/>
 </td></tr>
 <tr class="odd"><td>*.nwa</td><td>-</td><td>No</td></tr>
 <tr class="odd"><td>*.g00</td><td>-</td><td>No</td></tr>
+<tr class="odd"><td>*.pdt</td><td><tt>PDT10</tt></td><td>No</td></tr>
 </table>
 <p><a name="note-1" class="footnote">1</a> Non-encrypted only</p>
 </body>