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(G00Opener): replaced TgaStream with IImageDecoder.

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morkt 2017-03-12 17:50:08 +04:00
parent 7b5359e9a8
commit e15754bf43
1 changed files with 55 additions and 39 deletions
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94
ArcFormats/RealLive/ArcG00.cs
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@ -2,7 +2,7 @@
//! \date Wed May 04 13:21:19 2016
//! \brief RealLive engine multi-frame image.
//
// Copyright (C) 2016 by morkt
// Copyright (C) 2016-2017 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
@ -28,6 +28,7 @@ using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.IO;
using System.Linq;
using System.Windows.Media;
namespace GameRes.Formats.RealLive
{
@ -79,18 +80,15 @@ namespace GameRes.Formats.RealLive
if (count <= 1 || count > 0x100)
return null;
var base_name = Path.GetFileNameWithoutExtension (file.Name);
uint size = width * height * 4 + 0x12; // virtual TGA image size
uint index_offset = 9;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new G00Entry {
Name = string.Format ("{0}#{1:D3}.tga", base_name, i),
Name = string.Format ("{0}#{1:D3}", base_name, i),
X = file.View.ReadInt32 (index_offset),
Y = file.View.ReadInt32 (index_offset+4),
IsPacked = true,
UnpackedSize = size,
};
dir.Add (entry);
index_offset += 0x18;
@ -116,46 +114,64 @@ namespace GameRes.Formats.RealLive
return new G00Archive (file, this, dir, info, bitmap);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
{
if (0 == entry.Size)
return Stream.Null;
var g00arc = (G00Archive)arc;
var g00ent = (G00Entry)entry;
using (var input = new BinMemoryStream (g00arc.Bitmap))
{
input.Position = g00ent.Offset;
int tile_type = input.ReadUInt16();
int count = input.ReadUInt16();
if (tile_type != 1)
throw new InvalidFormatException();
input.Seek (0x70, SeekOrigin.Current);
int dst_stride = (int)g00arc.ImageInfo.Width * 4;
var pixels = new byte[(int)g00arc.ImageInfo.Height * dst_stride];
for (int i = 0; i < count; ++i)
{
int tile_x = input.ReadUInt16();
int tile_y = input.ReadUInt16();
input.ReadInt16();
int tile_width = input.ReadUInt16();
int tile_height = input.ReadUInt16();
input.Seek (0x52, SeekOrigin.Current);
var input = new BinMemoryStream (g00arc.Bitmap);
return new G00TileDecoder (input, g00arc.ImageInfo, g00ent);
}
tile_x += g00ent.X;
tile_y += g00ent.Y;
if (tile_x + tile_width > g00arc.ImageInfo.Width ||
tile_y + tile_height > g00arc.ImageInfo.Height)
throw new InvalidFormatException();
int dst = tile_y * dst_stride + tile_x * 4;
int tile_stride = tile_width * 4;
for (int row = 0; row < tile_height; ++row)
{
input.Read (pixels, dst, tile_stride);
dst += dst_stride;
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
var g00arc = (G00Archive)arc;
return new BinMemoryStream (g00arc.Bitmap, (int)entry.Offset, (int)entry.Size);
}
}
internal sealed class G00TileDecoder : BinaryImageDecoder
{
private G00Entry g00ent;
public G00TileDecoder (IBinaryStream input, ImageMetaData info, G00Entry entry)
: base (input, info)
{
g00ent = entry;
}
protected override ImageData GetImageData ()
{
m_input.Position = g00ent.Offset;
int tile_type = m_input.ReadUInt16();
int count = m_input.ReadUInt16();
if (tile_type != 1)
throw new InvalidFormatException();
m_input.Seek (0x70, SeekOrigin.Current);
int dst_stride = (int)Info.Width * 4;
var pixels = new byte[(int)Info.Height * dst_stride];
for (int i = 0; i < count; ++i)
{
int tile_x = m_input.ReadUInt16();
int tile_y = m_input.ReadUInt16();
m_input.ReadInt16();
int tile_width = m_input.ReadUInt16();
int tile_height = m_input.ReadUInt16();
m_input.Seek (0x52, SeekOrigin.Current);
tile_x += g00ent.X;
tile_y += g00ent.Y;
if (tile_x + tile_width > Info.Width ||
tile_y + tile_height > Info.Height)
throw new InvalidFormatException();
int dst = tile_y * dst_stride + tile_x * 4;
int tile_stride = tile_width * 4;
for (int row = 0; row < tile_height; ++row)
{
m_input.Read (pixels, dst, tile_stride);
dst += dst_stride;
}
return TgaStream.Create (g00arc.ImageInfo, pixels);
}
return ImageData.Create (Info, PixelFormats.Bgra32, null, pixels, dst_stride);
}
}
}