mirror of
https://github.com/crskycode/GARbro.git
synced 2024-12-12 22:36:58 +08:00
293 lines
10 KiB
C#
293 lines
10 KiB
C#
|
//! \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;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|