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bunch of stuff.

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This commit is contained in:
morkt
2023-08-24 01:33:50 +04:00
parent ea096c52ef
commit 77fde27d26
119 changed files with 11078 additions and 619 deletions
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133
ArcFormats/Macromedia/ImageBITD.cs
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@@ -29,9 +29,10 @@ using System.ComponentModel.Composition;
using System.IO;
using System.Linq;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using GameRes.Utility;
namespace GameRes.Formats.Selen
namespace GameRes.Formats.Macromedia
{
[Export(typeof(ImageFormat))]
public class BitdFormat : ImageFormat
@@ -202,4 +203,134 @@ namespace GameRes.Formats.Selen
}
}
}
internal class BitdDecoder : IImageDecoder
{
Stream m_input;
byte[] m_output;
int m_width;
int m_height;
int m_stride;
ImageMetaData m_info;
ImageData m_image;
BitmapPalette m_palette;
public Stream Source { get => m_input; }
public ImageFormat SourceFormat { get => null; }
public ImageMetaData Info { get => m_info; }
public ImageData Image { get => m_image ?? (m_image = GetImageData()); }
public PixelFormat Format { get; private set; }
public BitdDecoder (Stream input, ImageMetaData info, BitmapPalette palette)
{
m_input = input;
m_info = info;
m_width = info.iWidth;
m_height = info.iHeight;
m_stride = (m_width * m_info.BPP + 7) / 8;
m_stride = (m_stride + 1) & ~1;
m_output = new byte[m_stride * m_height];
Format = info.BPP == 4 ? PixelFormats.Indexed4
: info.BPP == 8 ? PixelFormats.Indexed8
: info.BPP == 16 ? PixelFormats.Bgr555
: PixelFormats.Bgr32;
m_palette = palette;
}
protected ImageData GetImageData ()
{
if (Info.BPP <= 8)
Unpack8bpp();
else
UnpackChannels (Info.BPP / 8);
return ImageData.Create (m_info, Format, m_palette, m_output, m_stride);
}
void Unpack8bpp ()
{
for (int line = 0; line < m_output.Length; line += m_stride)
{
int x = 0;
while (x < m_stride)
{
int b = m_input.ReadByte();
if (-1 == b)
throw new InvalidFormatException ("Unexpected end of file");
int count = b;
if (b > 0x7f)
count = (byte)-(sbyte)b;
++count;
if (x + count > m_stride)
throw new InvalidFormatException();
if (b > 0x7f)
{
b = m_input.ReadByte();
if (-1 == b)
throw new InvalidFormatException ("Unexpected end of file");
for (int i = 0; i < count; ++i)
m_output[line + x++] = (byte)b;
}
else
{
m_input.Read (m_output, line + x, count);
x += count;
}
}
}
}
public void UnpackChannels (int channels)
{
var scan_line = new byte[m_stride];
for (int line = 0; line < m_output.Length; line += m_stride)
{
int x = 0;
while (x < m_stride)
{
int b = m_input.ReadByte();
if (-1 == b)
throw new InvalidFormatException ("Unexpected end of file");
int count = b;
if (b > 0x7f)
count = (byte)-(sbyte)b;
++count;
if (x + count > m_stride)
throw new InvalidFormatException();
if (b > 0x7f)
{
b = m_input.ReadByte();
if (-1 == b)
throw new InvalidFormatException ("Unexpected end of file");
for (int i = 0; i < count; ++i)
scan_line[x++] = (byte)b;
}
else
{
m_input.Read (scan_line, x, count);
x += count;
}
}
int dst = line;
for (int i = 0; i < m_width; ++i)
{
for (int src = m_width * (channels - 1); src >= 0; src -= m_width)
m_output[dst++] = scan_line[i + src];
}
}
}
#region IDisposable Members
bool m_disposed = false;
public void Dispose ()
{
if (!m_disposed)
{
m_input.Dispose();
m_disposed = true;
}
GC.SuppressFinalize (this);
}
#endregion
}
}