implemented IPAC archives, IES images and WST audio.

2026-07-08 01:30:18 +08:00 · 2016-07-26 07:03:46 +04:00
parent 233ee76d90
commit 1922c42ae2
4 changed files with 280 additions and 0 deletions
--- a/ArcFormats/Ipac/ImageIES.cs
+++ b/ArcFormats/Ipac/ImageIES.cs
@@ -0,0 +1,110 @@
+//! \file       ImageIES.cs
+//! \date       Sat Jul 23 16:04:34 2016
+//! \brief      IPAC 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.ComponentModel.Composition;
+using System.IO;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using GameRes.Utility;
+
+namespace GameRes.Formats.BaseUnit
+{
+    [Export(typeof(ImageFormat))]
+    public class IesFormat : ImageFormat
+    {
+        public override string         Tag { get { return "IES"; } }
+        public override string Description { get { return "IPAC image format"; } }
+        public override uint     Signature { get { return 0x32534549; } } // 'IES2'
+
+        public override ImageMetaData ReadMetaData (Stream stream)
+        {
+            var header = new byte[0x14];
+            if (header.Length != stream.Read (header, 0, header.Length))
+                return null;
+            return new ImageMetaData
+            {
+                Width   = LittleEndian.ToUInt32 (header, 0x08),
+                Height  = LittleEndian.ToUInt32 (header, 0x0C),
+                BPP     = LittleEndian.ToInt32  (header, 0x10),
+            };
+        }
+
+        public override ImageData Read (Stream stream, ImageMetaData info)
+        {
+            if (24 == info.BPP)
+            {
+                stream.Position = 0x420;
+                var rgb = new byte[info.Width * info.Height * 3];
+                if (rgb.Length != stream.Read (rgb, 0, rgb.Length))
+                    throw new EndOfStreamException();
+                var alpha = new byte[info.Width * info.Height];
+                if (alpha.Length != stream.Read (alpha, 0, alpha.Length))
+                    throw new EndOfStreamException();
+                var pixels = new byte[info.Width * info.Height * 4];
+                int dst = 0;
+                int src_alpha = 0;
+                for (int src = 0; src < rgb.Length; )
+                {
+                    byte a = alpha[src_alpha++];
+                    pixels[dst++] = rgb[src++];
+                    pixels[dst++] = rgb[src++];
+                    pixels[dst++] = rgb[src++];
+                    pixels[dst++] = a;
+                }
+                return ImageData.Create (info, PixelFormats.Bgra32, null, pixels);
+            }
+            else if (8 == info.BPP)
+            {
+                stream.Position = 0x20;
+                var palette = ReadPalette (stream);
+                var pixels = new byte[info.Width * info.Height];
+                if (pixels.Length != stream.Read (pixels, 0, pixels.Length))
+                    throw new EndOfStreamException();
+                return ImageData.Create (info, PixelFormats.Indexed8, palette, pixels);
+            }
+            else
+                throw new InvalidFormatException ("[IES] Invalid color depth");
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("IesFormat.Write not implemented");
+        }
+
+        BitmapPalette ReadPalette (Stream input)
+        {
+            var palette_data = new byte[0x400];
+            if (palette_data.Length != input.Read (palette_data, 0, palette_data.Length))
+                throw new EndOfStreamException();
+            var palette = new Color[0x100];
+            for (int i = 0; i < 0x100; ++i)
+            {
+                int c = i * 4;
+                palette[i] = Color.FromRgb (palette_data[c], palette_data[c+1], palette_data[c+2]);
+            }
+            return new BitmapPalette (palette);
+        }
+    }
+}