diff --git a/ArcFormats/AliceSoft/ImagePMS.cs b/ArcFormats/AliceSoft/ImagePMS.cs new file mode 100644 index 00000000..4622a6eb --- /dev/null +++ b/ArcFormats/AliceSoft/ImagePMS.cs @@ -0,0 +1,292 @@ +//! \file ImagePMS.cs +//! \date 2017 Nov 26 +//! \brief AliceSoft image format. +// +// Copyright (C) 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 +// 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; +using GameRes.Utility; + +namespace GameRes.Formats.AliceSoft +{ + internal class PmsMetaData : ImageMetaData + { + public uint DataOffset; + public uint AlphaOffset; + } + + [Export(typeof(ImageFormat))] + public class PmsFormat : ImageFormat + { + public override string Tag { get { return "PMS"; } } + public override string Description { get { return "AliceSoft image format"; } } + public override uint Signature { get { return 0x014D50; } } // 'PM' + + public PmsFormat () + { + Signatures = new uint[] { 0x014D50, 0x024D50 }; + } + + public override ImageMetaData ReadMetaData (IBinaryStream file) + { + var header = file.ReadHeader (0x30); + var info = new PmsMetaData { + BPP = header[6], + OffsetX = header.ToInt32 (0x10), + OffsetY = header.ToInt32 (0x14), + Width = header.ToUInt32 (0x18), + Height = header.ToUInt32 (0x1C), + DataOffset = header.ToUInt32 (0x20), + AlphaOffset = header.ToUInt32 (0x24), + }; + if ((info.BPP != 16 && info.BPP != 8) || info.DataOffset < 0x30 || info.DataOffset >= file.Length) + return null; + return info; + } + + public override ImageData Read (IBinaryStream file, ImageMetaData info) + { + var pms = new PmsReader (file, (PmsMetaData)info); + var bitmap = pms.Unpack(); + bitmap.Freeze(); + return new ImageData (bitmap, info); + } + + public override void Write (Stream file, ImageData image) + { + throw new System.NotImplementedException ("PmsFormat.Write not implemented"); + } + } + + internal class PmsReader + { + IBinaryStream m_input; + PmsMetaData m_info; + int m_width; + int m_height; + + public PmsReader (IBinaryStream input, PmsMetaData info) + { + m_input = input; + m_info = info; + m_width = (int)m_info.Width; + m_height = (int)m_info.Height; + } + + public BitmapSource Unpack () + { + switch (m_info.BPP) + { + case 16: return UnpackRgb(); + case 8: return UnpackIndexed(); + default: throw new InvalidFormatException(); + } + } + + BitmapSource UnpackIndexed () + { + m_input.Position = m_info.AlphaOffset; + var palette = ImageFormat.ReadPalette (m_input.AsStream, 0x100, PaletteFormat.Rgb); + m_input.Position = m_info.DataOffset; + var pixels = Unpack8bpp(); + return BitmapSource.Create (m_width, m_height, ImageData.DefaultDpiX, ImageData.DefaultDpiY, + PixelFormats.Indexed8, palette, pixels, m_width); + } + + BitmapSource UnpackRgb () + { + m_input.Position = m_info.DataOffset; + var pixels = Unpack16bpp(); + var source = BitmapSource.Create (m_width, m_height, ImageData.DefaultDpiX, ImageData.DefaultDpiY, + PixelFormats.Bgr565, null, pixels, m_width*2); + if (0 == m_info.AlphaOffset) + return source; + + m_input.Position = m_info.AlphaOffset; + var alpha = Unpack8bpp(); + source = new FormatConvertedBitmap (source, PixelFormats.Bgra32, null, 0); + var output = new WriteableBitmap (source); + output.Lock(); + unsafe + { + byte* buffer = (byte*)output.BackBuffer; + int stride = output.BackBufferStride; + int asrc = 0; + for (int y = 0; y < m_height; ++y) + { + for (int x = 3; x < stride; x += 4) + { + buffer[x] = alpha[asrc++]; + } + buffer += stride; + } + } + output.AddDirtyRect (new Int32Rect (0, 0, m_width, m_height)); + output.Unlock(); + return output; + } + + ushort[] Unpack16bpp () + { + var output = new ushort[m_width * m_height]; + int stride = m_width; + + for (int y = 0; y < m_height; ++y) + for (int x = 0; x < m_width; ) + { + int dst = y * stride + x; + int count = 1; + byte ctl = m_input.ReadUInt8(); + if (ctl < 0xF8) + { + byte px = m_input.ReadUInt8(); + output[dst] = (ushort)(ctl | (px << 8)); + } + else if (ctl == 0xF8) + { + output[dst] = m_input.ReadUInt16(); + } + else if (ctl == 0xF9) + { + count = m_input.ReadUInt8() + 1; + int p0 = m_input.ReadUInt8(); + int p1 = m_input.ReadUInt8(); + p0 = ((p0 & 0xE0) << 8) | ((p0 & 0x18) << 6) | ((p0 & 7) << 2); + p1 = ((p1 & 0xC0) << 5) | ((p1 & 0x3C) << 3) | (p1 & 3); + output[dst] = (ushort)(p0 | p1); + for (int i = 1; i < count; i++) + { + p1 = m_input.ReadUInt8(); + p1 = ((p1 & 0xC0) << 5) | ((p1 & 0x3C) << 3) | (p1 & 3); + output[dst + i] = (ushort)(p0 | p1); + } + } + else if (ctl == 0xFA) + { + output[dst] = output[dst - stride + 1]; + } + else if (ctl == 0xFB) + { + output[dst] = output[dst - stride - 1]; + } + else if (ctl == 0xFC) + { + count = (m_input.ReadUInt8() + 2) * 2; + ushort px0 = m_input.ReadUInt16(); + ushort px1 = m_input.ReadUInt16(); + for (int i = 0; i < count; i += 2) + { + output[dst + i ] = px0; + output[dst + i + 1] = px1; + } + } + else if (ctl == 0xFD) + { + count = m_input.ReadUInt8() + 3; + ushort px = m_input.ReadUInt16(); + for (int i = 0; i < count; i++) + { + output[dst + i] = px; + } + } + else if (ctl == 0xFE) + { + count = m_input.ReadUInt8() + 2; + int src = dst - stride * 2; + for (int i = 0; i < count; ++i) + { + output[dst+i] = output[src+i]; + } + } + else // ctl == 0xFF + { + count = m_input.ReadUInt8() + 2; + int src = dst - stride; + for (int i = 0; i < count; ++i) + { + output[dst+i] = output[src+i]; + } + } + x += count; + } + return output; + } + + byte[] Unpack8bpp () + { + var output = new byte[m_width * m_height]; + int stride = m_width; + + for (int y = 0; y < m_height; y++) + for (int x = 0; x < m_width; ) + { + int dst = y * stride + x; + int count = 1; + byte ctl = m_input.ReadUInt8(); + if (ctl < 0xF8) + { + output[dst] = ctl; + } + else if (ctl == 0xFF) + { + count = m_input.ReadUInt8() + 3; + Binary.CopyOverlapped (output, dst - stride, dst, count); + } + else if (ctl == 0xFE) + { + count = m_input.ReadUInt8() + 3; + Binary.CopyOverlapped (output, dst - stride * 2, dst, count); + } + else if (ctl == 0xFD) + { + count = m_input.ReadUInt8() + 4; + byte px = m_input.ReadUInt8(); + for (int i = 0; i < count; ++i) + { + output[dst + i] = px; + } + } + else if (ctl == 0xFC) + { + count = (m_input.ReadUInt8() + 3) * 2; + byte px0 = m_input.ReadUInt8(); + byte px1 = m_input.ReadUInt8(); + for (int i = 0; i < count; i += 2) + { + output[dst + i ] = px0; + output[dst + i + 1] = px1; + } + } + else // >= 0xF8 < 0xFC + { + output[dst] = m_input.ReadUInt8(); + } + x += count; + } + return output; + } + } +} diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj index eef3aa9a..918d02c1 100644 --- a/ArcFormats/ArcFormats.csproj +++ b/ArcFormats/ArcFormats.csproj @@ -85,6 +85,7 @@ + WidgetAGS.xaml