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(CHR): override OpenImage method.

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This commit is contained in:
morkt 2018-10-06 02:51:03 +04:00
parent 1c049dc6ca
commit 5a85806f87
1 changed files with 38 additions and 11 deletions
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49
ArcFormats/Palette/ArcCHR.cs
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@ -2,7 +2,7 @@
//! \date Mon Oct 26 07:26:39 2015
//! \brief Multi-frame PNG archive.
//
// Copyright (C) 2015 by morkt
// Copyright (C) 2015-2018 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
@ -100,6 +100,7 @@ namespace GameRes.Formats.Palette
Name = string.Format ("{0}#blend#{1}.png", base_name, name),
Type = "image",
Source = entry,
Offset = 0,
};
dir.Add (virt_entry);
}
@ -108,10 +109,20 @@ namespace GameRes.Formats.Palette
return new ArcFile (file, this, dir);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
{
if (entry is VirtualCharEntry)
return BlendEntry (arc, entry as VirtualCharEntry);
var input = arc.OpenBinaryEntry (entry);
var info = ImageFormat.Png.ReadMetaData (input);
input.Position = 0;
return new ImageFormatDecoder (input, ImageFormat.Png, info);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
if (entry is VirtualCharEntry)
return Stream.Null;
int extra_length = PgaFormat.PngHeader.Length + PgaFormat.PngFooter.Length;
var png = new MemoryStream ((int)entry.Size + extra_length + 17);
var cent = entry as CharEntry;
@ -148,7 +159,7 @@ namespace GameRes.Formats.Palette
return png;
}
Stream BlendEntry (ArcFile arc, VirtualCharEntry entry)
IImageDecoder BlendEntry (ArcFile arc, VirtualCharEntry entry)
{
using (var base_png = OpenEntry (arc, arc.Dir.First()))
using (var overlay_png = OpenEntry (arc, entry.Source))
@ -168,15 +179,31 @@ namespace GameRes.Formats.Palette
var bmp = new RenderTargetBitmap (base_frame.PixelWidth, base_frame.PixelHeight,
base_frame.DpiX, base_frame.DpiY, PixelFormats.Pbgra32);
bmp.Render (visual);
var encoder = new PngBitmapEncoder();
encoder.Frames.Add (BitmapFrame.Create (bmp));
var mem = new MemoryStream();
encoder.Save (mem);
mem.Position = 0;
return mem;
var base_info = new ImageMetaData {
Width = (uint)bmp.PixelWidth,
Height = (uint)bmp.PixelHeight,
BPP = bmp.Format.BitsPerPixel,
};
return new BitmapSourceDecoder (bmp, base_info);
}
}
}
internal class BitmapSourceDecoder : IImageDecoder
{
public Stream Source { get { return null; } }
public ImageFormat SourceFormat { get { return null; } }
public ImageMetaData Info { get; private set; }
public ImageData Image { get; private set; }
public BitmapSourceDecoder (BitmapSource bmp, ImageMetaData info)
{
Info = info;
Image = new ImageData (bmp, info);
}
public void Dispose ()
{
}
}
}