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86 lines
3.5 KiB
C#
86 lines
3.5 KiB
C#
//! \file ImageLPG.cs
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//! \date 2019 Jan 15
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//! \brief Kogado Studio image format.
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//
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// Copyright (C) 2019 by morkt
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//
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using System.ComponentModel.Composition;
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using System.IO;
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using System.Windows.Media;
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namespace GameRes.Formats.Kogado
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{
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[Export(typeof(ImageFormat))]
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public class LpgFormat : ImageFormat
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{
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public override string Tag { get { return "LPG"; } }
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public override string Description { get { return "Kogado Studio image format"; } }
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public override uint Signature { get { return 1; } }
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public override ImageMetaData ReadMetaData (IBinaryStream file)
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{
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if (!file.Name.HasExtension ("LPG"))
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return null;
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var header = file.ReadHeader (0x1C);
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int bpp = header.ToInt32 (4);
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uint width = header.ToUInt32 (0x10);
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uint height = header.ToUInt32 (0x14);
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if (bpp != 32 && bpp != 24
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|| 0 == width || width > 0x8000 || 0 == height || height > 0x8000)
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return null;
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return new ImageMetaData { Width = width, Height = height, BPP = bpp };
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}
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public override ImageData Read (IBinaryStream file, ImageMetaData info)
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{
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file.Position = 0x1C;
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var palette = ReadPalette (file.AsStream);
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if (info.BPP != 32)
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{
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var pixels = new byte[info.iWidth * info.iHeight];
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file.Read (pixels, 0, pixels.Length);
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return ImageData.CreateFlipped (info, PixelFormats.Indexed8, palette, pixels, info.iWidth);
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}
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else
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{
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int stride = info.iWidth * 4;
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var pixels = new byte[stride * info.iHeight];
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var colormap = palette.Colors;
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for (int dst = 0; dst < pixels.Length; dst += 4)
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{
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byte c = file.ReadUInt8();
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pixels[dst ] = colormap[c].B;
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pixels[dst+1] = colormap[c].G;
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pixels[dst+2] = colormap[c].R;
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pixels[dst+3] = file.ReadUInt8();
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}
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return ImageData.CreateFlipped (info, PixelFormats.Bgra32, null, pixels, stride);
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}
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}
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public override void Write (Stream file, ImageData image)
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{
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throw new System.NotImplementedException ("LpgFormat.Write not implemented");
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}
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}
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}
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