public override void ParseData()
{
BaseUnit = (Converters.eMeasurement)Data[0];
HResolution = GetNumericValueFromData <ushort>(1, 2);
VResolution = GetNumericValueFromData <ushort>(3, 2);
XSize = GetNumericValueFromData <ushort>(5, 2);
YSize = GetNumericValueFromData <ushort>(7, 2);
// Since there is one IDD per image object container, it is efficient enough to load them at this point
SDFs = ImageSelfDefiningField.GetAllSDFs(Data.Skip(9).ToArray());
}
private void ParseFontAndImageData()
{
// FONT RASTER PATTERNS
Dictionary <Container, IReadOnlyDictionary <FNI.Info, bool[, ]> > rasterPatterns = new Dictionary <Container, IReadOnlyDictionary <FNI.Info, bool[, ]> >();
foreach (Container c in Resources.Where(r => r.ResourceType == Resource.eResourceType.FontCharacterSet && r.IsLoaded)
.Select(r => r.Fields[0].LowestLevelContainer))
{
// If we have a pattern map, gather raster data
FNM patternsMap = c.GetStructure <FNM>();
if (patternsMap != null)
{
FNI firstFNI = c.GetStructure <FNI>();
Dictionary <FNI.Info, bool[, ]> patternsDictionary = new Dictionary <FNI.Info, bool[, ]>();
byte[] allFNGData = c.GetStructures <FNG>().SelectMany(f => f.Data).ToArray();
int indexCounter = 0;
for (int i = 0; i < patternsMap.AllPatternData.Count; i++)
{
// Subtract the next offset (or length of data if at end) by this one to find out how many bytes to take
int bytesToTake = (int)((i < patternsMap.AllPatternData.Count - 1 ? patternsMap.AllPatternData[i + 1].DataOffset : (uint)allFNGData.Length)
- patternsMap.AllPatternData[i].DataOffset);
// Create an empty array of bools from our box width and height
// The array sizes are the number of bits in the minimum number of bytes required to support the bit size
int numBitsWide = (int)Math.Ceiling((patternsMap.AllPatternData[i].BoxMaxWidthIndex + 1) / 8.0) * 8;
int numRows = bytesToTake / (numBitsWide / 8);
bool[,] curPattern = new bool[numBitsWide, numRows];
for (int y = 0; y < numRows; y++)
{
for (int x = 0; x < numBitsWide; x += 8)
{
byte curByte = allFNGData[indexCounter++];
for (int b = 0; b < 8; b++)
{
curPattern[x + b, y] = (curByte & (1 << (7 - b))) > 0;
}
}
}
// Lookup the GCGID from the first FNI for this pattern
patternsDictionary.Add(firstFNI.InfoList.First(fni => fni.FNMIndex == i), curPattern);
}
rasterPatterns.Add(c, patternsDictionary);
}
}
ParsedFontPatterns = rasterPatterns;
// IM IMAGES
Dictionary <Container, IReadOnlyList <IMImageCell> > imImages = new Dictionary <Container, IReadOnlyList <IMImageCell> >();
foreach (Container c in Resources
.Where(r => r.IsLoaded && (r.ResourceType == Resource.eResourceType.IMImage || (r.ResourceType == Resource.eResourceType.PageSegment && r.Fields[1] is BII)))
.Select(r => r.ResourceType == Resource.eResourceType.PageSegment ? r.Fields[1].LowestLevelContainer : r.Fields[0].LowestLevelContainer))
{
IID imageDescriptor = c.GetStructure <IID>();
List <IMImageCell> cellList = new List <IMImageCell>();
if (c.GetStructure <ICP>() == null)
{
// Since there are no cells, create one
ICP newCellPos = new ICP(imageDescriptor.XSize, imageDescriptor.YSize);
IMImageCell newCell = new IMImageCell(newCellPos, c.GetStructures <IRD>());
cellList.Add(newCell);
}
else
{
// Manually parse a list of cells since they don't have their own container
for (int i = 0; i < c.Structures.Count; i++)
{
if (c.Structures[i].GetType() != typeof(ICP))
{
continue;
}
// Get list of IRDs up to the next ICP or end of structures
List <IRD> rasterData = new List <IRD>();
for (int r = i + 1; r < c.Structures.Count; r++)
{
if (c.Structures[r].GetType() != typeof(IRD))
{
break;
}
rasterData.Add((IRD)c.Structures[r]);
}
cellList.Add(new IMImageCell((ICP)c.Structures[i], rasterData));
}
}
imImages.Add(c, cellList);
}
ParsedIMImages = imImages;
// IOCA IMAGES
Dictionary <Container, IReadOnlyList <ImageInfo> > iocaImages = new Dictionary <Container, IReadOnlyList <ImageInfo> >();
foreach (Container c in Resources
.Where(r => r.IsLoaded && (r.ResourceType == Resource.eResourceType.IOCAImage || (r.ResourceType == Resource.eResourceType.PageSegment && r.Fields[1] is BIM)))
.Select(r => r.ResourceType == Resource.eResourceType.PageSegment ? r.Fields[1].LowestLevelContainer : r.Fields[0].LowestLevelContainer))
{
// Combine all self defining fields from zero or more IPD fields
byte[] allIPDData = c.GetStructures <IPD>().SelectMany(f => f.Data).ToArray();
List <ImageSelfDefiningField> SDFs = ImageSelfDefiningField.GetAllSDFs(allIPDData);
// Get all images in our self defining field list
foreach (Container sc in SDFs.OfType <BeginImageContent>().Select(s => s.LowestLevelContainer))
{
List <Container> allContainers = new List <Container>()
{
sc
};
List <ImageInfo> infoList = new List <ImageInfo>();
// Along with ourself, add any tiles to the list of containers
if (sc.Structures.Any(s => s.GetType() == typeof(BeginTile)))
{
allContainers.AddRange(sc.Structures.OfType <BeginTile>().Select(s => s.LowestLevelContainer));
}
// For each container, get image and transparency bytes
foreach (Container tc in allContainers)
{
ImageInfo info = new ImageInfo();
info.Data = tc.DirectGetStructures <ImageData>().SelectMany(s => s.Data).ToArray();
// If there are tiles, store offset information
if (tc.Structures[0].GetType() == typeof(BeginTile))
{
TilePosition tp = tc.GetStructure <TilePosition>();
info.XOffset = tp.XOffset;
info.YOffset = tp.YOffset;
}
// Add transparency data if needed
ImageSelfDefiningField BTM = tc.GetStructure <BeginTransparencyMask>();
if (BTM != null)
{
info.TransparencyMask = BTM.LowestLevelContainer.GetStructures <ImageData>().SelectMany(s => s.Data).ToArray();
}
infoList.Add(info);
}
iocaImages.Add(c, infoList);
}
}
ParsedImages = iocaImages;
}