implemented DPNG tiled image format.

This commit is contained in:
morkt 2015-11-07 00:31:13 +04:00
parent 2c3a2b5a68
commit 247f067737
2 changed files with 108 additions and 0 deletions

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@ -85,6 +85,8 @@
<Compile Include="Palette\ArcPAK.cs" /> <Compile Include="Palette\ArcPAK.cs" />
<Compile Include="Palette\ImagePGA.cs" /> <Compile Include="Palette\ImagePGA.cs" />
<Compile Include="Qlie\ArcABMP.cs" /> <Compile Include="Qlie\ArcABMP.cs" />
<Compile Include="Qlie\ImageDPNG.cs" />
<Compile Include="Qlie\QlieMersenneTwister.cs" />
<Compile Include="Sas5\ArcIAR.cs" /> <Compile Include="Sas5\ArcIAR.cs" />
<Compile Include="Sas5\ArcSec5.cs" /> <Compile Include="Sas5\ArcSec5.cs" />
<Compile Include="Sas5\ArcWAR.cs" /> <Compile Include="Sas5\ArcWAR.cs" />

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@ -0,0 +1,106 @@
//! \file ImageDPNG.cs
//! \date Fri Nov 06 14:16:24 2015
//! \brief QLIE tiled PNG image 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.ComponentModel.Composition;
using System.IO;
using System.Windows;
using System.Windows.Media;
using System.Windows.Media.Imaging;
namespace GameRes.Formats.Qlie
{
internal class DpngMetaData : ImageMetaData
{
public int TileCount;
}
[Export(typeof(ImageFormat))]
public class DpngFormat : ImageFormat
{
public override string Tag { get { return "DPNG"; } }
public override string Description { get { return "QLIE tiled image format"; } }
public override uint Signature { get { return 0x474E5044; } } // 'DPNG'
public DpngFormat ()
{
Extensions = new string[] { "png" };
}
public override ImageMetaData ReadMetaData (Stream stream)
{
stream.Position = 8;
using (var header = new ArcView.Reader (stream))
{
var info = new DpngMetaData { BPP = 32 };
info.TileCount = header.ReadInt32();
if (info.TileCount <= 0)
return null;
info.Width = header.ReadUInt32();
info.Height = header.ReadUInt32();
return info;
}
}
public override ImageData Read (Stream stream, ImageMetaData info)
{
var meta = (DpngMetaData)info;
var bitmap = new WriteableBitmap ((int)info.Width, (int)info.Height,
ImageData.DefaultDpiX, ImageData.DefaultDpiY, PixelFormats.Pbgra32, null);
long next_tile = 0x14;
using (var dpng = new ArcView.Reader (stream))
{
for (int i = 0; i < meta.TileCount; ++i)
{
stream.Position = next_tile;
int x = dpng.ReadInt32();
int y = dpng.ReadInt32();
int width = dpng.ReadInt32();
int height = dpng.ReadInt32();
int size = dpng.ReadInt32();
stream.Seek (8, SeekOrigin.Current);
next_tile = stream.Position + size;
using (var png = new StreamRegion (stream, stream.Position, size, true))
{
var decoder = new PngBitmapDecoder (png,
BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
var frame = new FormatConvertedBitmap (decoder.Frames[0], PixelFormats.Pbgra32, null, 0);
int stride = frame.PixelWidth * 4;
var pixels = new byte[stride * frame.PixelHeight];
frame.CopyPixels (pixels, stride, 0);
var rect = new Int32Rect (0, 0, frame.PixelWidth, frame.PixelHeight);
bitmap.WritePixels (rect, pixels, stride, x, y);
}
}
}
bitmap.Freeze();
return new ImageData (bitmap, info);
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("DpngFormat.Write not implemented");
}
}
}