implemented ANT bitmaps.

ArcFormats/StudioEgo/ImageANT.cs

@@ -0,0 +1,90 @@
+//! \file       ImageANT.cs
+//! \date       Mon Jan 04 05:07:49 2016
+//! \brief      Studio e.go! bitmap.
+//
+// Copyright (C) 2015 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 GameRes.Utility;
+using System.ComponentModel.Composition;
+using System.IO;
+using System.Windows.Media;
+
+namespace GameRes.Formats.Ego
+{
+    [Export(typeof(ImageFormat))]
+    public class AntFormat : ImageFormat
+    {
+        public override string         Tag { get { return "ANT"; } }
+        public override string Description { get { return "Studio e.go! bitmap format"; } }
+        public override uint     Signature { get { return 0x49544E41; } } // 'ANTI'
+
+        public override ImageMetaData ReadMetaData (Stream stream)
+        {
+            var header = new byte[0x18];
+            if (header.Length != stream.Read (header, 0, header.Length))
+                return null;
+            return new ImageMetaData
+            {
+                Width   = LittleEndian.ToUInt32 (header, 0xC),
+                Height  = LittleEndian.ToUInt32 (header, 0x10),
+                BPP     = 32,
+            };
+        }
+
+        public override ImageData Read (Stream stream, ImageMetaData info)
+        {
+            var pixels = new byte[info.Width*info.Height*4];
+            stream.Position = 0x18;
+            int dst = 0;
+            for (uint y = 0; y < info.Height; ++y)
+            {
+                while (dst < pixels.Length)
+                {
+                    int a = stream.ReadByte();
+                    if (-1 == a)
+                        throw new EndOfStreamException();
+                    else if (0 == a)
+                    {
+                        int count = stream.ReadByte();
+                        if (-1 == count)
+                            throw new EndOfStreamException();
+                        else if (0 == count)
+                            break;
+                        dst += count * 4;
+                    }
+                    else
+                    {
+                        stream.Read (pixels, dst, 3);
+                        pixels[dst + 3] = (byte)a;
+                        dst += 4;
+                    }
+                }
+            }
+            return ImageData.Create (info, PixelFormats.Bgra32, null, pixels);
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("AntFormat.Write not implemented");
+        }
+    }
+}