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implemented 'GaleX' images.

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This commit is contained in:
morkt
2017-12-30 00:33:28 +04:00
parent e1c2d170a1
commit 54fbad8ff1
3 changed files with 201 additions and 22 deletions
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67
ArcFormats/LiveMaker/ImageGAL.cs
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@@ -153,7 +153,7 @@ namespace GameRes.Formats.LiveMaker
return new GUI.WidgetGAL();
}
uint QueryKey ()
internal uint QueryKey ()
{
if (!KnownKeys.Any())
return 0;
@@ -169,13 +169,13 @@ namespace GameRes.Formats.LiveMaker
}
}
internal sealed class GalReader : IDisposable
internal class GalReader : IDisposable
{
IBinaryStream m_input;
GalMetaData m_info;
byte[] m_output;
List<Frame> m_frames;
uint m_key;
protected IBinaryStream m_input;
protected GalMetaData m_info;
protected byte[] m_output;
protected List<Frame> m_frames;
protected uint m_key;
public byte[] Data { get { return m_output; } }
public PixelFormat Format { get; private set; }
@@ -206,6 +206,14 @@ namespace GameRes.Formats.LiveMaker
{
Layers = new List<Layer> (layer_count);
}
public void SetStride ()
{
Stride = (Width * BPP + 7) / 8;
AlphaStride = (Width + 3) & ~3;
if (BPP >= 8)
Stride = (Stride + 3) & ~3;
}
}
internal class Layer
@@ -237,28 +245,23 @@ namespace GameRes.Formats.LiveMaker
throw new InvalidFormatException();
if (frame.BPP <= 8)
frame.Palette = ImageFormat.ReadColorMap (m_input.AsStream, 1 << frame.BPP);
frame.Stride = (frame.Width * frame.BPP + 7) / 8;
frame.AlphaStride = (frame.Width + 3) & ~3;
if (frame.BPP >= 8)
frame.Stride = (frame.Stride + 3) & ~3;
frame.SetStride();
m_frames.Add (frame);
for (int i = 0; i < layer_count; ++i)
{
m_input.ReadInt32();
m_input.ReadInt32();
m_input.ReadInt32(); // left
m_input.ReadInt32(); // top
m_input.ReadByte(); // visibility
m_input.ReadInt32(); // -1
m_input.ReadInt32(); // 0xFF
m_input.ReadByte();
m_input.ReadInt32(); // (-1) TransColor
m_input.ReadInt32(); // (0xFF) alpha
m_input.ReadByte(); // AlphaOn
name_length = m_input.ReadUInt32();
m_input.Seek (name_length, SeekOrigin.Current);
if (m_info.Version >= 107)
m_input.ReadByte();
m_input.ReadByte(); // lock
var layer = new Layer();
int layer_size = m_input.ReadInt32();
long layer_end = m_input.Position + layer_size;
layer.Pixels = UnpackLayer (frame, layer_size);
m_input.Position = layer_end;
int alpha_size = m_input.ReadInt32();
if (alpha_size != 0)
{
@@ -269,9 +272,12 @@ namespace GameRes.Formats.LiveMaker
Flatten (0);
}
byte[] UnpackLayer (Frame frame, int length, bool is_alpha = false)
protected byte[] UnpackLayer (Frame frame, int length, bool is_alpha = false)
{
using (var packed = new StreamRegion (m_input.AsStream, m_input.Position, length, true))
var layer_start = m_input.Position;
var layer_end = layer_start + length;
var packed = new StreamRegion (m_input.AsStream, layer_start, length, true);
try
{
if (0 == m_info.Compression || 2 == m_info.Compression && is_alpha)
return ReadZlib (frame, packed, is_alpha);
@@ -279,6 +285,11 @@ namespace GameRes.Formats.LiveMaker
return ReadJpeg (frame, packed);
return ReadBlocks (frame, packed, is_alpha);
}
finally
{
packed.Dispose();
m_input.Position = layer_end;
}
}
byte[] ReadBlocks (Frame frame, Stream packed, bool is_alpha)
@@ -383,7 +394,7 @@ namespace GameRes.Formats.LiveMaker
return pixels;
}
void Flatten (int frame_num)
protected void Flatten (int frame_num)
{
// XXX only first layer is considered.
@@ -550,8 +561,20 @@ namespace GameRes.Formats.LiveMaker
}
#region IDisposable Members
bool m_disposed = false;
public void Dispose ()
{
Dispose (true);
GC.SuppressFinalize (this);
}
protected virtual void Dispose (bool disposing)
{
if (!m_disposed)
{
m_disposed = true;
}
}
#endregion
}