bunch of stuff.

Legacy/Uran/ImageDAR.cs

@@ -0,0 +1,145 @@
+//! \file       ImageDAR.cs
+//! \date       2022 May 11
+//! \brief      Uran image format.
+//
+// Copyright (C) 2022 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.ComponentModel.Composition;
+using System.IO;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+
+// [970525][Uran] High School Terra Story
+
+namespace GameRes.Formats.Uran
+{
+    public class DarMetaData : ImageMetaData
+    {
+        public byte Version;
+        public int  FrameCount;
+        public long FrameOffset;
+        public int  RowSize;
+    }
+
+    [Export(typeof(ImageFormat))]
+    public class DarFormat : ImageFormat
+    {
+        public override string         Tag { get { return "DAR"; } }
+        public override string Description { get { return "Uran image format"; } }
+        public override uint     Signature { get { return 0x3A524144; } } // 'DAR:'
+
+        public override ImageMetaData ReadMetaData (IBinaryStream file)
+        {
+            var header = file.ReadHeader (12);
+            byte version = header[5];
+            int frame_count = header.ToUInt16 (6);
+            if (header[4] != '8' || version > 1 || frame_count < 1)
+                return null;
+            file.Position = 0x40C;
+            int header_size = 8;
+            if (version != 0)
+                header_size = file.ReadUInt16();
+            long frame_offset = file.Position;
+            ushort width    = file.ReadUInt16(); // +0
+            ushort height   = file.ReadUInt16(); // +1
+            ushort row_size = file.ReadUInt16(); // +2
+            file.ReadUInt16(); // +3
+            int bpp = 8;
+            if (header_size >= 14)
+            {
+                file.ReadInt16(); // +4
+                file.ReadInt16(); // +5
+                file.ReadUInt16(); // +6 height
+                if (header_size >= 16)
+                {
+                    int count = file.ReadUInt8(); // [14]
+                    if (count + 18 <= header_size)
+                    {
+                        file.Seek (count - 1, SeekOrigin.Current);
+                        bpp = file.ReadUInt8(); // [count+14]
+                    }
+                }
+            }
+            return new DarMetaData {
+                Width = width,
+                Height = height,
+                BPP = bpp,
+                Version = version,
+                FrameCount = frame_count,
+                FrameOffset = frame_offset + header_size,
+                RowSize = row_size,
+            };
+        }
+
+        public override ImageData Read (IBinaryStream file, ImageMetaData info)
+        {
+            var reader = new DarReader (file, (DarMetaData)info);
+            return reader.Unpack();
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("DarFormat.Write not implemented");
+        }
+    }
+
+    internal class DarReader
+    {
+        IBinaryStream   m_input;
+        DarMetaData     m_info;
+
+        public ImageMetaData    Info { get { return m_info; } }
+        public BitmapPalette Palette { get; private set; }
+
+        public DarReader (IBinaryStream input, DarMetaData info)
+        {
+            m_input = input;
+            m_info = info;
+        }
+
+        public ImageData Unpack ()
+        {
+            if (8 == m_info.BPP)
+            {
+                m_input.Position = 0x0C;
+                Palette = ImageFormat.ReadPalette (m_input.AsStream);
+            }
+            int depth = m_info.BPP / 8;
+            long row_pos = m_info.FrameOffset;
+            int stride = m_info.iWidth * depth;
+            var pixels = new byte[stride * m_info.iHeight];
+            int dst = pixels.Length - stride;
+            while (dst >= 0)
+            {
+                m_input.Position = row_pos;
+                int x = m_input.ReadInt16();
+                int row_length = m_input.ReadUInt16();
+                if (row_length != 0)
+                    m_input.Read (pixels, dst + x, row_length);
+                row_pos += m_info.RowSize;
+                dst -= stride;
+            }
+            PixelFormat format = depth == 1 ? PixelFormats.Indexed8 : PixelFormats.Bgr24;
+            return ImageData.Create (m_info, format, Palette, pixels, stride);
+        }
+    }
+}