(Legacy): added formats, mostly PC-98.

2026-07-08 01:30:18 +08:00 · 2023-10-20 18:21:55 +04:00
parent 67811651d4
commit 1aac79f7b5
19 changed files with 2705 additions and 328 deletions
--- a/Legacy/Desire/ImageDPC.cs
+++ b/Legacy/Desire/ImageDPC.cs
@@ -0,0 +1,93 @@
+//! \file       ImageDPC.cs
+//! \date       2023 Oct 15
+//! \brief      Desire image format (PC-98).
+//
+// Copyright (C) 2023 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;
+
+// [970801][Desire] Yuugiri ~Ningyoushi no Isan~
+
+namespace GameRes.Formats.Desire
+{
+    [Export(typeof(ImageFormat))]
+    public class DpcFormat : ImageFormat
+    {
+        public override string         Tag => "DPC";
+        public override string Description => "Desire image format";
+        public override uint     Signature => 0;
+
+        public override ImageMetaData ReadMetaData (IBinaryStream file)
+        {
+            if (!file.Name.HasExtension (".DPC"))
+                return null;
+            file.Position = 0x20;
+            short left    = file.ReadInt16();
+            short top     = file.ReadInt16();
+            ushort width  = file.ReadUInt16();
+            ushort height = file.ReadUInt16();
+            if (0 == width || 0 == height || left < 0 || left + width > 2048 || top < 0 || top + height > 2048)
+                return null;
+            return new ImageMetaData {
+                Width = width,
+                Height = height,
+                OffsetX = left,
+                OffsetY = top,
+                BPP = 4,
+            };
+        }
+
+        public override ImageData Read (IBinaryStream file, ImageMetaData info)
+        {
+            var palette = ReadPalette (file);
+            file.Position = 0x28;
+            var reader = new System98.GraBaseReader (file, info);
+            reader.UnpackBits();
+            return ImageData.Create (info, PixelFormats.Indexed4, palette, reader.Pixels, reader.Stride);
+        }
+
+        BitmapPalette ReadPalette (IBinaryStream input)
+        {
+            var colors = new Color[16];
+            for (int i = 0; i < 16; ++i)
+            {
+                ushort w = input.ReadUInt16();
+                int alpha = (w & 1) == 0 ? 0xFF : 0;
+                int g = (w >> 12) * 0x11;
+                int r = ((w >> 7) & 0xF) * 0x11;
+                int b = ((w >> 2) & 0xF) * 0x11;
+
+                colors[i] = Color.FromArgb ((byte)alpha, (byte)r, (byte)g, (byte)b);
+            }
+            return new BitmapPalette (colors);
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("DpcFormat.Write not implemented");
+        }
+    }
+}