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/*
* GNU AFFERO GENERAL PUBLIC LICENSE
* Version 3, 19 November 2007
* Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
* Everyone is permitted to copy and distribute verbatim copies
* of this license document, but changing it is not allowed.
*/
// https://github.com/cbiffle/catibo/blob/master/doc/cbddlp-ctb.adoc
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Threading.Tasks;
using BinarySerialization;
using Emgu.CV;
using Emgu.CV.CvEnum;
using UVtools.Core.Extensions;
using UVtools.Core.Operations;
namespace UVtools.Core.FileFormats
{
public class LGSFile : FileFormat
{
#region Sub Classes
#region Header
public class Header
{
public const string NameValue = "Longer3D";
//[FieldOrder(0)] public uint Offset1 { get; set; }
/// <summary>
/// Gets the file tag = MKSDLP
/// </summary>
[FieldOrder(0)] [FieldLength(8)] public string Name { get; set; } = NameValue; // 0x00:
[FieldOrder(1)] public uint Uint_08 { get; set; } = 4278190081; // 0x08: 0xff000001 ?
[FieldOrder(2)] public uint Uint_0c { get; set; } = 1; // 0x0c: 1 ?
[FieldOrder(3)] public uint Uint_10 { get; set; } = 30; // 0x10: 30 ?
[FieldOrder(4)] public uint Uint_14 { get; set; } = 0; // 0x14: 0 ?
[FieldOrder(5)] public uint Uint_18 { get; set; } = 34; // 0x18: 34 ?
[FieldOrder(6)] public float PixelPerMmX { get; set; } = 15.404f;
[FieldOrder(7)] public float PixelPerMmY { get; set; } = 4.866f;
[FieldOrder(8)] public float ResolutionX { get; set; }
[FieldOrder(9)] public float ResolutionY { get; set; }
[FieldOrder(10)] public float LayerHeight { get; set; }
[FieldOrder(11)] public float ExposureTimeMs { get; set; }
[FieldOrder(12)] public float BottomExposureTimeMs { get; set; }
[FieldOrder(13)] public float Float_38 { get; set; } = 10; // 0x38: 10
[FieldOrder(14)] public float LightOffDelayMs { get; set; } = 2000;
[FieldOrder(15)] public float BottomLightOffDelayMs { get; set; }
[FieldOrder(16)] public float BottomHeight { get; set; }
[FieldOrder(17)] public float Float_48 { get; set; } = 0.6f; // 0x48: 0.6
[FieldOrder(18)] public float BottomLiftHeight { get; set; } = 4;
[FieldOrder(19)] public float LiftHeight { get; set; }
[FieldOrder(20)] public float LiftSpeed { get; set; } = 150;
[FieldOrder(21)] public float LiftSpeed_ { get; set; } = 150;
[FieldOrder(22)] public float BottomLiftSpeed { get; set; } = 90;
[FieldOrder(23)] public float BottomLiftSpeed_ { get; set; } = 90;
[FieldOrder(24)] public float Float_64 { get; set; } = 5; // 0x64: 5?
[FieldOrder(25)] public float Float_68 { get; set; } = 60; // 0x68: 60?
[FieldOrder(26)] public float Float_6c { get; set; } = 10; // 0x6c: 10?
[FieldOrder(27)] public float Float_70 { get; set; } = 600; // 0x70: 600?
[FieldOrder(28)] public float Float_74 { get; set; } = 600; // 0x70: 600?
[FieldOrder(29)] public float Float_78 { get; set; } = 2; // 0x78: 2?
[FieldOrder(30)] public float Float_7c { get; set; } = 0.2f; // 0x7c: 0.2?
[FieldOrder(31)] public float Float_80 { get; set; } = 60; // 0x80: 60?
[FieldOrder(32)] public float Float_84 { get; set; } = 1; // 0x84: 1?
[FieldOrder(33)] public float Float_88 { get; set; } = 6; // 0x88: 6?
[FieldOrder(34)] public float Float_8c { get; set; } = 150; // 0x8c: 150 ?
[FieldOrder(35)] public float Float_90 { get; set; } = 1001; // 0x90: 1001 ?
[FieldOrder(36)] public float Float_94 { get; set; } = 140;// 0x94: 140 for Longer 10, 170 for Longer 30?
[FieldOrder(37)] public uint Uint_98 { get; set; } // 0x98: 0 ?
[FieldOrder(38)] public uint Uint_9c { get; set; } // 0x9c: 0 ?
[FieldOrder(39)] public uint Uint_a0 { get; set; } // 0xa0: 0 ?
[FieldOrder(40)] public uint LayerCount { get; set; }
[FieldOrder(41)] public uint Uint_a8 { get; set; } = 4; // 0xa8: 4 ?
[FieldOrder(42)] public uint PreviewSizeX { get; set; } = 120;
[FieldOrder(43)] public uint PreviewSizeY { get; set; } = 150;
}
#endregion
#region LayerData
public class LayerData
{
[Ignore] public LGSFile Parent { get; set; }
[FieldOrder(0)]
public uint DataSize { get; set; }
[FieldOrder(1)]
[FieldLength(nameof(DataSize))]
public byte[] EncodedRle { get; set; }
public unsafe byte[] Encode(Mat mat)
{
List<byte> rawData = new List<byte>();
List<byte> chunk = new List<byte>();
var spanMat = mat.GetBytePointer();
var imageLength = mat.GetLength();
uint span = 0;
byte lc = 0;
void addSpan(){
chunk.Clear();
for (; span > 0; span >>= 4) {
chunk.Insert(0, (byte)((byte)(span & 0xf) | (lc & 0xf0)));
}
rawData.AddRange(chunk.ToArray());
}
for (int i = 0; i < imageLength; i++)
{
byte c = (byte) (spanMat[i] & 0xf0);
if (c == lc)
{
span++;
}
else
{
addSpan();
span = 1;
}
lc = c;
}
addSpan();
EncodedRle = rawData.ToArray();
DataSize = (uint) EncodedRle.Length;
return EncodedRle;
}
public unsafe Mat Decode(bool consumeRle = true)
{
var mat = EmguExtensions.InitMat(Parent.Resolution);
var matSpan = mat.GetBytePointer();
var imageLength = mat.GetLength();
byte last = 0;
int span = 0;
int index = 0;
foreach (var b in EncodedRle)
{
byte color = (byte) ((b & 0xf0) | (b >> 4));
if (color == last)
{
span = (span << 4) | (b & 0xf);
}
else
{
for(; span > 0; span--)
{
if (index >= imageLength)
{
throw new FileLoadException($"'{span}' bytes to many");
}
matSpan[index++] = last;
}
span = b & 0xf;
}
last = color;
}
for (; span > 0; span--)
{
if (index >= imageLength)
{
throw new FileLoadException($"'{span}' bytes to many");
}
matSpan[index++] = last;
}
if (index != imageLength)
{
throw new FileLoadException($"Incomplete buffer, expected: {imageLength}, got: {index}");
}
if (consumeRle)
EncodedRle = null;
return mat;
}
}
#endregion
#endregion
#region Properties
public Header HeaderSettings { get; protected internal set; } = new Header();
public override FileFormatType FileType => FileFormatType.Binary;
public override FileExtension[] FileExtensions { get; } = {
new ("lgs", "Longer Orange 10"),
new ("lgs30", "Longer Orange 30"),
};
public override PrintParameterModifier[] PrintParameterModifiers { get; } =
{
PrintParameterModifier.BottomLayerCount,
PrintParameterModifier.BottomExposureSeconds,
PrintParameterModifier.ExposureSeconds,
PrintParameterModifier.BottomLiftHeight,
PrintParameterModifier.BottomLiftSpeed,
PrintParameterModifier.LiftHeight,
PrintParameterModifier.LiftSpeed,
PrintParameterModifier.BottomLightOffDelay,
PrintParameterModifier.LightOffDelay,
};
public override byte ThumbnailsCount { get; } = 1;
public override Size[] ThumbnailsOriginalSize { get; } = {new Size(120, 150)};
public override uint ResolutionX
{
get => (uint) HeaderSettings.ResolutionX;
set
{
HeaderSettings.ResolutionX = value;
RaisePropertyChanged();
}
}
public override uint ResolutionY
{
get => (uint)HeaderSettings.ResolutionY;
set
{
HeaderSettings.ResolutionY = value;
RaisePropertyChanged();
}
}
public override float Xppmm
{
get => HeaderSettings.PixelPerMmX > 0 ? HeaderSettings.PixelPerMmX : base.Xppmm;
set
{
HeaderSettings.PixelPerMmX = value;
base.Xppmm = value;
}
}
public override float Yppmm
{
get => HeaderSettings.PixelPerMmY > 0 ? HeaderSettings.PixelPerMmY : base.Yppmm;
set
{
HeaderSettings.PixelPerMmY = value;
base.Yppmm = value;
}
}
public override float DisplayWidth
{
get => ResolutionX / HeaderSettings.PixelPerMmX;
set { }
}
public override float DisplayHeight
{
get => ResolutionY / HeaderSettings.PixelPerMmY;
set { }
}
public override bool MirrorDisplay
{
get => true;
set { }
}
public override byte AntiAliasing
{
get => 4;
set { }
}
public override float LayerHeight
{
get => HeaderSettings.LayerHeight;
set
{
HeaderSettings.LayerHeight = Layer.RoundHeight(value);
RaisePropertyChanged();
}
}
public override uint LayerCount
{
get => base.LayerCount;
set => base.LayerCount = HeaderSettings.LayerCount = base.LayerCount;
}
public override ushort BottomLayerCount
{
get => (ushort) (HeaderSettings.BottomHeight / LayerHeight);
set
{
HeaderSettings.BottomHeight = value * LayerHeight;
base.BottomLayerCount = value;
}
}
public override float BottomExposureTime
{
get => TimeExtensions.MillisecondsToSeconds(HeaderSettings.BottomExposureTimeMs);
set
{
HeaderSettings.BottomExposureTimeMs = TimeExtensions.SecondsToMilliseconds(value);
base.BottomExposureTime = value;
}
}
public override float ExposureTime
{
get => TimeExtensions.MillisecondsToSeconds(HeaderSettings.ExposureTimeMs);
set
{
HeaderSettings.ExposureTimeMs = TimeExtensions.SecondsToMilliseconds(value);
base.ExposureTime = value;
}
}
public override float BottomLiftHeight
{
get => HeaderSettings.BottomLiftHeight;
set => base.BottomLiftHeight = HeaderSettings.BottomLiftHeight = value;
}
public override float LiftHeight
{
get => HeaderSettings.LiftHeight;
set => base.LiftHeight = HeaderSettings.LiftHeight = value;
}
public override float BottomLiftSpeed
{
get => HeaderSettings.BottomLiftSpeed;
set => base.BottomLiftSpeed = HeaderSettings.BottomLiftSpeed = HeaderSettings.BottomLiftSpeed_ = value;
}
public override float LiftSpeed
{
get => HeaderSettings.LiftSpeed;
set => base.LiftSpeed = HeaderSettings.LiftSpeed = HeaderSettings.LiftSpeed_ = value;
}
public override float RetractSpeed => LiftSpeed;
public override float BottomLightOffDelay
{
get => TimeExtensions.MillisecondsToSeconds(HeaderSettings.BottomLightOffDelayMs);
set
{
HeaderSettings.BottomLightOffDelayMs = TimeExtensions.SecondsToMilliseconds(value);
base.BottomLightOffDelay = value;
}
}
public override float LightOffDelay
{
get => TimeExtensions.MillisecondsToSeconds(HeaderSettings.LightOffDelayMs);
set
{
HeaderSettings.LightOffDelayMs = TimeExtensions.SecondsToMilliseconds(value);
base.LightOffDelay = value;
}
}
/*public override float PrintTime => 0;
public override float UsedMaterial => 0;
public override float MaterialCost => 0;
public override string MaterialName => "Unknown";
public override string MachineName => null;*/
public override object[] Configs => new object[] { HeaderSettings };
#endregion
#region Constructors
public LGSFile()
{
}
#endregion
#region Methods
public unsafe byte[] PreviewEncode(Mat mat)
{
byte[] bytes = new byte[mat.Width * mat.Height * 2];
var span = mat.GetBytePointer();
var imageLength = mat.GetLength();
int index = 0;
for (int i = 0; i < imageLength; i+=3)
{
byte b = span[i];
byte g = span[i+1];
byte r = span[i+2];
ushort rgb15 = (ushort) (((r >> 3) << 11) | ((g >> 3) << 6) | ((b >> 3) << 0));
bytes[index++] = (byte) (rgb15 >> 8);
bytes[index++] = (byte) (rgb15 & 0xff);
}
if (index != bytes.Length)
{
throw new FileLoadException($"Preview encode incomplete encode, expected: {bytes.Length}, encoded: {index}");
}
return bytes;
}
protected override void EncodeInternally(string fileFullPath, OperationProgress progress)
{
if (ResolutionY >= 2560) // Longer Orange 30
{
HeaderSettings.Float_94 = 170;
}
//uint currentOffset = (uint)Helpers.Serializer.SizeOf(HeaderSettings);
using (var outputFile = new FileStream(fileFullPath, FileMode.Create, FileAccess.Write))
{
outputFile.WriteSerialize(HeaderSettings);
outputFile.WriteBytes(PreviewEncode(Thumbnails[0]));
LayerData[] layerData = new LayerData[LayerCount];
Parallel.For(0, LayerCount, layerIndex =>
{
if (progress.Token.IsCancellationRequested) return;
using (var mat = this[layerIndex].LayerMat)
{
layerData[layerIndex] = new LayerData();
layerData[layerIndex].Encode(mat);
}
progress.LockAndIncrement();
});
progress.ItemName = "Saving layers";
progress.ProcessedItems = 0;
for (uint layerIndex = 0; layerIndex < LayerCount; layerIndex++)
{
progress.Token.ThrowIfCancellationRequested();
outputFile.WriteSerialize(layerData[layerIndex]);
progress++;
}
}
Debug.WriteLine("Encode Results:");
Debug.WriteLine(HeaderSettings);
Debug.WriteLine("-End-");
}
public unsafe Mat PreviewDecode(byte []data)
{
Mat mat = new Mat((int) HeaderSettings.PreviewSizeY, (int)HeaderSettings.PreviewSizeX, DepthType.Cv8U, 3);
var span = mat.GetBytePointer();
int spanIndex = 0;
for (int i = 0; i < data.Length; i+=2)
{
ushort rgb15 = (ushort) ((ushort)(data[i + 0] << 8) | data[i + 1]);
byte r = (byte) ((((rgb15 >> 11) & 0x1f) << 3) | 0x7);
byte g = (byte) ((((rgb15 >> 6) & 0x1f) << 3) | 0x7);
byte b = (byte) ((((rgb15 >> 0) & 0x1f) << 3) | 0x7);
span[spanIndex++] = b;
span[spanIndex++] = g;
span[spanIndex++] = r;
}
return mat;
}
protected override void DecodeInternally(string fileFullPath, OperationProgress progress)
{
using (var inputFile = new FileStream(fileFullPath, FileMode.Open, FileAccess.Read))
{
HeaderSettings = Helpers.Deserialize<Header>(inputFile);
if (HeaderSettings.Name != Header.NameValue)
{
throw new FileLoadException("Not a valid LGS file!", fileFullPath);
}
// Fix inconsistencies found of different version of plugin and slicers
if (ResolutionX > ResolutionY)
{
var oldX = ResolutionX;
ResolutionX = ResolutionY;
ResolutionY = oldX;
}
int previewSize = (int) (HeaderSettings.PreviewSizeX * HeaderSettings.PreviewSizeY * 2);
byte[] previewData = new byte[previewSize];
uint currentOffset = (uint) Helpers.Serializer.SizeOf(HeaderSettings);
currentOffset += inputFile.ReadBytes(previewData);
Thumbnails[0] = PreviewDecode(previewData);
LayerData[] layerData = new LayerData[HeaderSettings.LayerCount];
progress.Reset(OperationProgress.StatusGatherLayers, HeaderSettings.LayerCount);
for (int layerIndex = 0; layerIndex < HeaderSettings.LayerCount; layerIndex++)
{
progress.Token.ThrowIfCancellationRequested();
layerData[layerIndex] = Helpers.Deserialize<LayerData>(inputFile);
layerData[layerIndex].Parent = this;
}
LayerManager.Init(HeaderSettings.LayerCount);
progress.Reset(OperationProgress.StatusDecodeLayers, LayerCount);
Parallel.For(0, LayerCount,
//new ParallelOptions{MaxDegreeOfParallelism = 1},
layerIndex =>
{
if (progress.Token.IsCancellationRequested) return;
using var image = layerData[layerIndex].Decode();
this[layerIndex] = new Layer((uint) layerIndex, image, LayerManager);
progress.LockAndIncrement();
});
LayerManager.RebuildLayersProperties();
}
}
public override void SaveAs(string filePath = null, OperationProgress progress = null)
{
if (RequireFullEncode)
{
if (!string.IsNullOrEmpty(filePath))
{
FileFullPath = filePath;
}
Encode(FileFullPath, progress);
return;
}
if (!string.IsNullOrEmpty(filePath))
{
File.Copy(FileFullPath, filePath, true);
FileFullPath = filePath;
}
using (var outputFile = new FileStream(FileFullPath, FileMode.Open, FileAccess.Write))
{
outputFile.Seek(0, SeekOrigin.Begin);
Helpers.SerializeWriteFileStream(outputFile, HeaderSettings);
}
}
#endregion
}
}
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