(QLIE): ARGB images.

ArcFormats/Qlie/ArcQLIE.cs

@@ -84,7 +84,7 @@ namespace GameRes.Formats.Qlie
         public PackOpener ()
         {
             Extensions = new string [] { "pack" };
-            ContainedFormats = new[] { "ABMP/QLIE", "DPNG", "PNG", "JPEG", "OGG", "WAV" };
+            ContainedFormats = new[] { "ABMP/QLIE", "DPNG", "ARGB", "PNG", "JPEG", "OGG", "WAV" };
         }
 
         /// <summary>

ArcFormats/Qlie/ImageARGB.cs

@@ -0,0 +1,114 @@
+//! \file       ImageARGB.cs
+//! \date       2022 Apr 22
+//! \brief      QLIE 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;
+
+namespace GameRes.Formats.Qlie
+{
+    internal class ArgbMetaData : ImageMetaData
+    {
+        public uint     ImageOffset;
+        public uint     ImageLength;
+        public uint     MaskLength;
+    }
+
+    [Export(typeof(ImageFormat))]
+    public class ArgbFormat : ImageFormat
+    {
+        public override string         Tag { get { return "ARGB"; } }
+        public override string Description { get { return "QLIE image format"; } }
+        public override uint     Signature { get { return 0x42475241; } } // 'ARGB'
+
+        public override ImageMetaData ReadMetaData (IBinaryStream file)
+        {
+            var header = file.ReadHeader (0x19);
+            if (!header.AsciiEqual ("ARGBSaveData1\0") || header[0x10] != 3)
+                return null;
+            const uint image_offset = 0x19;
+            uint image_size = header.ToUInt32 (0x11);
+            uint mask_size  = header.ToUInt32 (0x15);
+            using (var jpeg = OpenStreamRegion (file, image_offset, image_size))
+            {
+                var info = Jpeg.ReadMetaData (jpeg);
+                if (null == info)
+                    return null;
+                return new ArgbMetaData {
+                    Width   = info.Width,
+                    Height  = info.Height,
+                    BPP     = 32,
+                    ImageOffset = image_offset,
+                    ImageLength = image_size,
+                    MaskLength = mask_size,
+                };
+            }
+        }
+
+        internal IBinaryStream OpenStreamRegion (IBinaryStream file, long offset, uint length)
+        {
+            var input = new StreamRegion (file.AsStream, offset, length, true);
+            return new BinaryStream (input, file.Name);
+        }
+
+        public override ImageData Read (IBinaryStream file, ImageMetaData info)
+        {
+            var meta = (ArgbMetaData)info;
+            file.Position = meta.ImageOffset;
+            var jpeg = new JpegBitmapDecoder (file.AsStream, BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
+            BitmapSource bitmap = jpeg.Frames[0];
+
+            file.Position = meta.ImageOffset + meta.ImageLength;
+            var png = new PngBitmapDecoder (file.AsStream, BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
+            BitmapSource mask = png.Frames[0];
+            if (mask.PixelWidth != bitmap.PixelWidth || mask.PixelHeight != bitmap.PixelHeight)
+                throw new InvalidFormatException ("ARGB bitmap and mask dimensions mismatch");
+
+            if (bitmap.Format.BitsPerPixel != 32)
+                bitmap = new FormatConvertedBitmap (bitmap, PixelFormats.Bgr32, null, 0);
+            int stride = bitmap.PixelWidth * 4;
+            var pixels = new byte[stride * bitmap.PixelHeight];
+            bitmap.CopyPixels (pixels, stride, 0);
+
+            if (mask.Format.BitsPerPixel != 8)
+                mask = new FormatConvertedBitmap (mask, PixelFormats.Gray8, null, 0);
+            var alpha = new byte[mask.PixelWidth * mask.PixelHeight];
+            mask.CopyPixels (alpha, mask.PixelWidth, 0);
+
+            int src = 0;
+            for (int dst = 3; dst < pixels.Length; dst += 4)
+            {
+                pixels[dst] = alpha[src++];
+            }
+            return ImageData.Create (info, PixelFormats.Bgra32, null, pixels);
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            throw new System.NotImplementedException ("ArgbFormat.Write not implemented");
+        }
+    }
+}