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implemented BPC images.

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morkt 2017-11-22 19:59:13 +04:00
parent b8cd3d2ce4
commit 5bd5568719
2 changed files with 203 additions and 0 deletions
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1
ArcFormats/ArcFormats.csproj
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@ -102,6 +102,7 @@
<Compile Include="Cadath\ArcDAF.cs" /> <Compile Include="Cadath\ArcDAF.cs" />
<Compile Include="Cadath\ImageCGF.cs" /> <Compile Include="Cadath\ImageCGF.cs" />
<Compile Include="Crowd\ImageCRZ.cs" /> <Compile Include="Crowd\ImageCRZ.cs" />
<Compile Include="CsWare\ImageBPC.cs" />
<Compile Include="Cyberworks\ArcApp.cs" /> <Compile Include="Cyberworks\ArcApp.cs" />
<Compile Include="DirectDraw\DxtDecoder.cs" /> <Compile Include="DirectDraw\DxtDecoder.cs" />
<Compile Include="ExHibit\ArcGRP.cs" /> <Compile Include="ExHibit\ArcGRP.cs" />

202
ArcFormats/CsWare/ImageBPC.cs Normal file
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@ -0,0 +1,202 @@
//! \file ImageBPC.cs
//! \date 2017 Nov 22
//! \brief C's ware bitmap.
//
// Copyright (C) 2017 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.Linq;
using System.Windows.Media;
using System.Windows.Media.Imaging;
namespace GameRes.Formats.CsWare
{
[Export(typeof(ImageFormat))]
public class BpcFormat : ImageFormat
{
public override string Tag { get { return "BPC"; } }
public override string Description { get { return "C's ware bitmap format"; } }
public override uint Signature { get { return 0x28; } }
public override ImageMetaData ReadMetaData (IBinaryStream file)
{
var header = file.ReadHeader (0x10);
uint width = header.ToUInt32 (4);
uint height = header.ToUInt32 (8);
int bpp = header.ToUInt16 (0xE);
if (bpp != 2 && bpp != 8 && bpp != 24)
return null;
return new ImageMetaData { Width = width, Height = height, BPP = bpp };
}
public override ImageData Read (IBinaryStream file, ImageMetaData info)
{
var bpc = new BpcReader (file, info);
bpc.Unpack();
return ImageData.CreateFlipped (info, bpc.Format, bpc.Palette, bpc.Data, bpc.Stride);
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("BpcFormat.Write not implemented");
}
}
internal sealed class BpcReader
{
IBinaryStream m_input;
int m_width;
int m_height;
int m_bpp;
byte[] m_output;
public BitmapPalette Palette { get; private set; }
public PixelFormat Format { get; private set; }
public byte[] Data { get { return m_output; } }
public int Stride { get { return m_width * m_bpp / 8; } }
public BpcReader (IBinaryStream input, ImageMetaData info)
{
m_input = input;
m_width = (int)info.Width;
m_height = (int)info.Height;
m_bpp = info.BPP;
}
public void Unpack ()
{
m_input.Position = m_input.Signature;
if (m_bpp <= 8)
Palette = ImageFormat.ReadPalette (m_input.AsStream, 1 << m_bpp);
switch (m_bpp)
{
case 1: Unpack1bpp(); break;
case 8: Unpack8bpp(); break;
case 24: Unpack24bpp(); break;
default: throw new InvalidFormatException();
}
}
void Unpack1bpp ()
{
Format = PixelFormats.Indexed1;
m_output = m_input.ReadBytes (m_height * Stride);
}
void Unpack8bpp ()
{
Format = PixelFormats.Indexed8;
m_output = new byte[m_height * m_width];
int packed_size = m_input.ReadInt32();
byte index = 0;
byte ctl = m_input.ReadUInt8();
if (0xF5 == ctl)
index = m_input.ReadUInt8();
var input = m_input.ReadBytes (packed_size);
if (input.Length != packed_size)
throw new InvalidFormatException();
int src = 0;
int dst = 0;
while (src < packed_size)
{
if (input[src] != ctl)
{
m_output[dst++] = input[src++];
}
else if (ctl != 0xF5)
{
int count = input[src+1];
for (int i = 0; i < count; ++i)
m_output[dst++] = input[src-1];
src += 2;
}
else if (input[src+1] == index)
{
int count = input[src+2];
for (int i = 0; i < count; ++i)
m_output[dst++] = input[src-1];
src += 3;
}
else
{
m_output[dst++] = input[src++];
}
}
}
void Unpack24bpp ()
{
Format = PixelFormats.Bgr24;
m_output = new byte[m_height * Stride];
var plane_size = new int[3];
plane_size[0] = m_input.ReadInt32();
plane_size[1] = m_input.ReadInt32();
plane_size[2] = m_input.ReadInt32();
var ctl = m_input.ReadBytes (3);
var pixel = m_input.ReadBytes (3);
var input = m_input.ReadBytes (plane_size.Sum());
int src = 0;
for (int plane = 0; plane < 3; ++plane)
{
int dst = plane;
for (int p = 0; p < plane_size[plane]; ++p)
{
if (ctl[plane] != input[src])
{
m_output[dst] = input[src++];
dst += 3;
}
else if (ctl[plane] != 0xF5)
{
int count = input[src + 1];
for (int i = 0; i < count; ++i)
{
m_output[dst] = input[src - 1];
dst += 3;
}
++p;
src += 2;
}
else if (pixel[plane] == input[src + 1])
{
int count = input[src + 2];
for (int i = 0; i < count; ++i)
{
m_output[dst] = input[src - 1];
dst += 3;
}
p += 2;
src += 3;
}
else
{
m_output[dst] = input[src++];
dst += 3;
}
}
}
}
}
}