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BIP: new image format.

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morkt 2015-03-05 17:40:56 +04:00
parent f703789685
commit bbc286b0fd
2 changed files with 161 additions and 0 deletions
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1
ArcFormats/ArcFormats.csproj
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@ -116,6 +116,7 @@
<Compile Include="CreateYPFWidget.xaml.cs">
<DependentUpon>CreateYPFWidget.xaml</DependentUpon>
</Compile>
<Compile Include="ImageBIP.cs" />
<Compile Include="ImageBMZ.cs" />
<Compile Include="ImageDRG.cs" />
<Compile Include="ImageEDT.cs" />

160
ArcFormats/ImageBIP.cs Normal file
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@ -0,0 +1,160 @@
//! \file ImageBIP.cs
//! \date Thu Mar 05 09:36:40 2015
//! \brief BIP tiled bitmap format.
//
// Copyright (C) 2015 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
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//
using System;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.IO;
using System.Text;
using System.Windows;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using GameRes.Utility;
namespace GameRes.Formats.PS2
{
internal class BipMetaData : ImageMetaData
{
public readonly List<BipTile> Tiles = new List<BipTile>();
}
internal class BipTile
{
public int Left;
public int Top;
public int Width;
public int Height;
public uint Offset;
}
[Export(typeof(ImageFormat))]
public class BipFormat : ImageFormat
{
public override string Tag { get { return "BIP"; } }
public override string Description { get { return "PS2 tiled bitmap format"; } }
public override uint Signature { get { return 0; } }
public override void Write (Stream file, ImageData image)
{
throw new NotImplementedException ("BipFormat.Write not implemented");
}
public override ImageMetaData ReadMetaData (Stream stream)
{
using (var input = new BinaryReader (stream, Encoding.ASCII, true))
{
int sig = input.ReadInt32();
if (sig != 5 && sig != 10)
return null;
uint header_end = (uint)sig*4;
uint index_offset = input.ReadUInt32();
input.BaseStream.Position = header_end-4;
uint data_offset = input.ReadUInt32() + 8;
if (index_offset >= data_offset || index_offset < header_end)
return null;
input.BaseStream.Position = index_offset;
int tile_count = input.ReadInt16();
int flag = input.ReadInt16();
if (tile_count <= 0 || 0 != flag)
return null;
input.ReadInt32();
uint w = input.ReadUInt16();
uint h = input.ReadUInt16();
var meta = new BipMetaData { Width = w, Height = h, BPP = 32 };
for (int i = 0; i < tile_count; ++i)
{
input.ReadInt64();
var tile = new BipTile();
tile.Left = input.ReadUInt16();
tile.Top = input.ReadUInt16();
tile.Width = input.ReadUInt16();
tile.Height = input.ReadUInt16();
if (tile.Left + tile.Width > meta.Width)
meta.Width = (uint)(tile.Left + tile.Width);
if (tile.Top + tile.Height > meta.Height)
meta.Height = (uint)(tile.Top + tile.Height);
input.ReadInt64();
tile.Offset = input.ReadUInt32() + data_offset;
meta.Tiles.Add (tile);
}
if (0 == meta.Width || 0 == meta.Height || 0 == meta.Tiles.Count)
return null;
return meta;
}
}
public override ImageData Read (Stream stream, ImageMetaData info)
{
var meta = info as BipMetaData;
if (null == meta)
throw new ArgumentException ("BipFormat.Read should be supplied with BipMetaData", "info");
using (var input = new BinaryReader (stream, Encoding.ASCII, true))
{
var header = new byte[0x7c];
var bitmap = new WriteableBitmap ((int)meta.Width, (int)meta.Height, 96, 96, PixelFormats.Bgra32, null);
foreach (var tile in meta.Tiles)
{
input.BaseStream.Position = tile.Offset;
if (header.Length != input.Read (header, 0, header.Length))
throw new InvalidFormatException ("Invalid tile header");
if (!Binary.AsciiEqual (header, "PNGFILE2"))
throw new InvalidFormatException ("Unknown tile format");
int data_size = LittleEndian.ToInt32 (header, 0x18) - header.Length;
int alpha = LittleEndian.ToInt32 (header, 0x68);
int x = LittleEndian.ToInt32 (header, 0x6c);
int y = LittleEndian.ToInt32 (header, 0x70);
var data = new byte[data_size];
if (data_size != input.Read (data, 0, data_size))
throw new InvalidFormatException ("Unexpected end of file");
using (var png = new MemoryStream (data, false))
{
var decoder = new PngBitmapDecoder (png,
BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
BitmapSource frame = decoder.Frames[0];
PixelFormat format = 0 == alpha ? PixelFormats.Bgr32 : PixelFormats.Bgra32;
var converted = new FormatConvertedBitmap (frame, format, null, 0);
int stride = converted.PixelWidth * 4;
var pixels = new byte[stride * converted.PixelHeight];
converted.CopyPixels (pixels, stride, 0);
for (int p = 0; p < pixels.Length; p += 4)
{
byte r = pixels[p];
pixels[p] = pixels[p+2];
pixels[p+2] = r;
int a = 0 == alpha ? 0xff : pixels[p+3] * 0xff / 0x80;
pixels[p+3] = (byte)a;
}
var rect = new Int32Rect (tile.Left+x, tile.Top+y, converted.PixelWidth, converted.PixelHeight);
bitmap.WritePixels (rect, pixels, stride, 0);
}
}
bitmap.Freeze();
return new ImageData (bitmap, meta);
}
}
}
}