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(Csystem): implemented incremental images.

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This commit is contained in:
morkt
2017-03-26 07:27:52 +04:00
parent 305680a4d3
commit 3cefd9d151
2 changed files with 79 additions and 15 deletions
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42
ArcFormats/Cyberworks/ImageTINK.cs
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@@ -51,10 +51,12 @@ namespace GameRes.Formats.Cyberworks
byte[] m_output;
AImageScheme m_scheme;
ImageData m_image;
int[] m_header;
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 byte[] Baseline { get; set; }
public ImageData Image
{
@@ -81,17 +83,25 @@ namespace GameRes.Formats.Cyberworks
m_scheme = scheme;
}
public void Unpack ()
internal int[] ReadHeader ()
{
if (m_header != null)
return m_header;
int header_length = Math.Max (8, m_scheme.HeaderOrder.Length);
var header = new int[header_length];
m_header = new int[header_length];
for (int i = 0; i < m_scheme.HeaderOrder.Length; ++i)
{
int b = GetInt();
header[m_scheme.HeaderOrder[i]] = b;
m_header[m_scheme.HeaderOrder[i]] = b;
}
Info.Width = (uint)header[4];
Info.Height = (uint)header[3];
Info.Width = (uint)m_header[4];
Info.Height = (uint)m_header[3];
return m_header;
}
public void Unpack ()
{
var header = ReadHeader();
if (0 == Info.Width || Info.Width >= 0x8000 || 0 == Info.Height || Info.Height >= 0x8000)
throw new InvalidFormatException();
int unpacked_size = header[5];
@@ -160,22 +170,32 @@ namespace GameRes.Formats.Cyberworks
if (alpha_map.Length != alpha_size)
throw new InvalidFormatException();
Info.BPP = 32;
int plane_size = (int)Info.Width * (int)Info.Height;
m_output = new byte[plane_size * 4];
if (Baseline != null)
{
Info.BPP = 24;
m_output = Baseline;
}
else
{
Info.BPP = 32;
m_output = new byte[plane_size * 4];
}
int pixel_size = Info.BPP / 8;
int bit = 1;
int bit_src = 0;
int dst = 0;
for (int i = 0; i < plane_size; ++i)
{
byte alpha = 0;
if ((bit & alpha_map[bit_src]) != 0)
{
m_input.Read (m_output, dst, 3);
m_output[dst+3] = 0xFF;
alpha = 0xFF;
}
else
m_output[dst+3] = 0;
dst += 4;
if (4 == pixel_size)
m_output[dst+3] = alpha;
dst += pixel_size;
if (0x80 == bit)
{
++bit_src;