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(BdfOpener): override OpenImage method.

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This commit is contained in:
morkt 2018-05-22 17:40:58 +04:00
parent 83361c5e44
commit 41ccdbd813
1 changed files with 36 additions and 24 deletions
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58
ArcFormats/Zyx/ArcBDF.cs
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@ -23,11 +23,11 @@
// IN THE SOFTWARE.
//
using System;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.IO;
using System.Linq;
using System.Windows.Media;
using GameRes.Utility;
namespace GameRes.Formats.Zyx
@ -44,9 +44,17 @@ namespace GameRes.Formats.Zyx
{
public byte[] FirstFrame;
public ImageMetaData Info { get; private set; }
public BdfArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir)
: base (arc, impl, dir)
{
var base_frame = dir.First() as BdfFrame;
Info = new ImageMetaData {
Width = (uint)base_frame.Width,
Height = (uint)base_frame.Height,
BPP = 24
};
}
public byte[] ReadFrame (BdfFrame frame)
@ -84,7 +92,7 @@ namespace GameRes.Formats.Zyx
return pixels;
}
private void DecodeFrame (Stream input, byte[] output, bool incremental = false)
private void DecodeFrame (IBinaryStream input, byte[] output, bool incremental = false)
{
int v2 = incremental ? 6 : 4;
int dst = 0;
@ -120,9 +128,7 @@ namespace GameRes.Formats.Zyx
case 2:
{
count = 3 * input.ReadByte();
offset = input.ReadByte();
offset |= input.ReadByte() << 8;
offset *= 3;
offset = 3 * input.ReadUInt16();
int src = dst - offset;
Binary.CopyOverlapped (output, src, dst, count);
dst += count;
@ -139,9 +145,7 @@ namespace GameRes.Formats.Zyx
}
case 4:
{
offset = input.ReadByte();
offset |= input.ReadByte() << 8;
offset *= 3;
offset = 3 * input.ReadUInt16();
int src = dst - offset;
output[dst++] = output[src++];
output[dst++] = output[src++];
@ -163,8 +167,7 @@ namespace GameRes.Formats.Zyx
}
else
{
count = input.ReadByte();
count |= input.ReadByte() << 8;
count = input.ReadUInt16();
}
dst += 3 * count;
}
@ -200,7 +203,7 @@ namespace GameRes.Formats.Zyx
{
var entry = new BdfFrame {
Number = i,
Name = string.Format ("{0}#{1:D2}.tga", base_name, i),
Name = string.Format ("{0}#{1:D2}", base_name, i),
Type = "image",
Offset = base_offset + file.View.ReadUInt32 (index_offset),
Size = file.View.ReadUInt32 (index_offset+4),
@ -217,23 +220,32 @@ namespace GameRes.Formats.Zyx
return new BdfArchive (file, this, dir);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
{
var bdf = arc as BdfArchive;
var frame = entry as BdfFrame;
if (null == bdf || null == frame)
return base.OpenEntry (arc, entry);
return base.OpenImage (arc, entry);
return new BdfImageDecoder (bdf, frame);
}
}
var pixels = bdf.ReadFrame (frame);
var header = new byte[0x12];
header[2] = 2;
if (frame.Incremental)
frame = bdf.Dir.First() as BdfFrame;
LittleEndian.Pack ((ushort)frame.Width, header, 0xc);
LittleEndian.Pack ((ushort)frame.Height, header, 0xe);
header[0x10] = 24;
header[0x11] = 0x20;
return new PrefixStream (header, new MemoryStream (pixels));
internal sealed class BdfImageDecoder : BinaryImageDecoder
{
BdfArchive m_bdf;
BdfFrame m_frame;
public BdfImageDecoder (BdfArchive arc, BdfFrame entry)
: base (arc.File.CreateStream (entry.Offset, entry.Size), arc.Info)
{
m_bdf = arc;
m_frame = entry;
}
protected override ImageData GetImageData ()
{
var pixels = m_bdf.ReadFrame (m_frame);
return ImageData.Create (Info, PixelFormats.Bgr24, null, pixels);
}
}
}