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implemented C25 images.

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This commit is contained in:
morkt
2017-11-20 23:57:44 +04:00
parent f7b9642a41
commit e3eba7e0f6
4 changed files with 202 additions and 41 deletions
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89
ArcFormats/Foster/ImageC24.cs
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@@ -23,6 +23,7 @@
// IN THE SOFTWARE.
//
using System;
using System.ComponentModel.Composition;
using System.IO;
using System.Windows.Media;
@@ -50,8 +51,13 @@ namespace GameRes.Formats.Foster
int count = header.ToInt32 (4);
if (count <= 0)
return null;
file.Position = header.ToUInt32 (8);
var info = new C24MetaData { BPP = 24 };
return ReadMetaData (file, header.ToUInt32 (8), 24);
}
internal C24MetaData ReadMetaData (IBinaryStream file, long offset, int bpp)
{
file.Position = offset;
var info = new C24MetaData { BPP = bpp };
info.Width = file.ReadUInt32();
info.Height = file.ReadUInt32();
info.OffsetX = file.ReadInt32();
@@ -72,17 +78,18 @@ namespace GameRes.Formats.Foster
}
}
internal sealed class C24Decoder : IImageDecoder
internal abstract class CDecoderBase : IImageDecoder
{
IBinaryStream m_input;
C24MetaData m_info;
byte[] m_output;
bool m_should_dispose;
ImageData m_image;
protected IBinaryStream m_input;
protected C24MetaData m_info;
protected byte[] m_output;
private ImageData m_image;
private bool m_should_dispose;
public Stream Source { get { m_input.Position = 0; return m_input.AsStream; } }
public ImageFormat SourceFormat { get { return null; } }
public ImageMetaData Info { get { return m_info; } }
public PixelFormat Format { get; private set; }
public ImageData Image
{
@@ -90,27 +97,66 @@ namespace GameRes.Formats.Foster
{
if (null == m_image)
{
var pixels = Unpack();
m_image = ImageData.Create (m_info, PixelFormats.Bgr24, null, pixels);
Unpack();
m_image = ImageData.Create (m_info, Format, null, m_output);
}
return m_image;
}
}
public C24Decoder (IBinaryStream file, C24MetaData info, bool leave_open = false)
public CDecoderBase (IBinaryStream file, C24MetaData info, PixelFormat format, bool leave_open = false)
{
m_input = file;
m_info = info;
m_output = new byte[3 * m_info.Width * m_info.Height];
m_output = new byte[(info.BPP / 8) * (int)m_info.Width * (int)m_info.Height];
m_should_dispose = !leave_open;
Format = format;
}
public byte[] Unpack ()
protected uint[] ReadRows ()
{
m_input.Position = m_info.DataOffset;
var rows = new uint[m_info.Height];
for (int i = 0; i < rows.Length; ++i)
rows[i] = m_input.ReadUInt32();
return rows;
}
protected abstract void Unpack ();
#region IDisposable Members
bool m_disposed = false;
public void Dispose ()
{
Dispose (true);
GC.SuppressFinalize (this);
}
protected virtual void Dispose (bool disposing)
{
if (!m_disposed)
{
if (disposing && m_should_dispose)
{
m_input.Dispose();
}
m_disposed = true;
}
}
#endregion
}
internal sealed class C24Decoder : CDecoderBase
{
public C24Decoder (IBinaryStream file, C24MetaData info, bool leave_open = false)
: base (file, info, PixelFormats.Bgr24, leave_open)
{
}
protected override void Unpack ()
{
var rows = ReadRows();
int dst = 0;
int width = (int)m_info.Width;
foreach (uint row_offset in rows)
@@ -140,23 +186,6 @@ namespace GameRes.Formats.Foster
rle = !rle;
}
}
return m_output;
}
#region IDisposable Members
bool m_disposed = false;
public void Dispose ()
{
if (!m_disposed)
{
if (m_should_dispose)
{
m_input.Dispose();
}
m_disposed = true;
}
System.GC.SuppressFinalize (this);
}
#endregion
}
}