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(GALX): support 8bpp images.

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morkt
2018-02-28 11:45:51 +04:00
parent 14c0481c1b
commit 7eb760d234
2 changed files with 50 additions and 37 deletions
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55
ArcFormats/LiveMaker/ImageGALX.cs
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@@ -2,7 +2,7 @@
//! \date 2017 Dec 29
//! \brief LiveMaker GaleX image format.
//
// Copyright (C) 2017 by morkt
// Copyright (C) 2017-2018 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
@@ -27,6 +27,7 @@ using System;
using System.ComponentModel.Composition;
using System.IO;
using System.Text.RegularExpressions;
using System.Windows.Media;
using System.Xml;
using GameRes.Compression;
using GameRes.Utility;
@@ -67,7 +68,7 @@ namespace GameRes.Formats.LiveMaker
FrameCount = Int32.Parse (attr["Count"].Value),
Shuffled = attr["Randomized"].Value != "0",
Compression = Int32.Parse (attr["CompType"].Value),
Mask = UInt32.Parse (attr["BGColor"].Value),
Mask = (uint)Int32.Parse (attr["BGColor"].Value),
BlockWidth = Int32.Parse (attr["BlockWidth"].Value),
BlockHeight = Int32.Parse (attr["BlockHeight"].Value),
DataOffset = header_size + 12,
@@ -123,22 +124,13 @@ namespace GameRes.Formats.LiveMaker
{
m_input.Position = m_info.DataOffset;
var layers = FrameXml.SelectSingleNode ("Frame/Layers");
var attr = layers.Attributes;
int layer_count = Int32.Parse (attr["Count"].Value);
var frame = new Frame (layer_count);
frame.Width = Int32.Parse (attr["Width"].Value);
frame.Height = Int32.Parse (attr["Height"].Value);
frame.BPP = Int32.Parse (attr["Bpp"].Value);
frame.SetStride();
if (frame.BPP <= 8)
frame.Palette = ImageFormat.ReadColorMap (m_input.AsStream, 1 << frame.BPP);
var frame = GetFrameFromLayers (layers);
m_frames.Add (frame);
var layer_nodes = layers.SelectNodes ("Layer");
foreach (XmlNode node in layer_nodes)
{
attr = node.Attributes;
bool alpha_on = attr["AlphaOn"].Value != "0";
bool alpha_on = node.Attributes["AlphaOn"].Value != "0";
int layer_size = m_input.ReadInt32();
var layer = new Layer();
layer.Pixels = UnpackLayer (frame, layer_size);
@@ -151,5 +143,42 @@ namespace GameRes.Formats.LiveMaker
}
Flatten (0);
}
internal Frame GetFrameFromLayers (XmlNode layers)
{
var attr = layers.Attributes;
int layer_count = Int32.Parse (attr["Count"].Value);
var frame = new Frame (layer_count);
frame.Width = Int32.Parse (attr["Width"].Value);
frame.Height = Int32.Parse (attr["Height"].Value);
frame.BPP = Int32.Parse (attr["Bpp"].Value);
frame.SetStride();
if (frame.BPP <= 8)
frame.Palette = ReadColorMap (layers.SelectSingleNode ("RGB").InnerText);
return frame;
}
internal static Color[] ReadColorMap (string rgb)
{
int colors = Math.Min (0x100, rgb.Length / 6);
var color_map = new Color[colors];
int pos = 0;
for (int i = 0; i < colors; ++i)
{
byte r = HexToByte (rgb, pos);
byte g = HexToByte (rgb, pos+2);
byte b = HexToByte (rgb, pos+4);
color_map[i] = Color.FromRgb (r, g, b);
pos += 6;
}
return color_map;
}
internal static byte HexToByte (string hex, int pos)
{
int hi = "0123456789ABCDEF".IndexOf (char.ToUpper (hex[pos]));
int lo = "0123456789ABCDEF".IndexOf (char.ToUpper (hex[pos+1]));
return (byte)(hi << 4 | lo);
}
}
}