public static ImageResource CreateImageResource(PsdBinaryReader reader)
{
Util.DebugMessage(reader.BaseStream, "Load, Begin, ImageResource");
var signature = reader.ReadAsciiChars(4);
var resourceIdInt = reader.ReadUInt16();
var name = reader.ReadPascalString(2);
var dataLength = (int)reader.ReadUInt32();
var dataPaddedLength = Util.RoundUp(dataLength, 2);
var endPosition = reader.BaseStream.Position + dataPaddedLength;
ImageResource resource = null;
var resourceId = (ResourceID)resourceIdInt;
switch (resourceId)
{
case ResourceID.ThumbnailRgb:
case ResourceID.ThumbnailBgr:
resource = new Thumbnail(reader, resourceId, name, dataLength);
break;
case ResourceID.AlphaChannelNames:
resource = new AlphaChannelNames(reader, name, dataLength);
break;
case ResourceID.UnicodeAlphaNames:
resource = new UnicodeAlphaNames(reader, name, dataLength);
break;
case ResourceID.VersionInfo:
resource = new VersionInfo(reader, name);
break;
default:
resource = new RawImageResource(reader, signature, resourceId, name, dataLength);
break;
}
Util.DebugMessage(reader.BaseStream,
$"Load, End, ImageResource, {resourceId}");
// Reposition the reader if we do not consume the full resource block.
// This takes care of the even-padding, and also preserves forward-
// compatibility in case a resource block is later extended with
// additional properties.
if (reader.BaseStream.Position < endPosition)
{
reader.BaseStream.Position = endPosition;
}
// However, overruns are definitely an error.
if (reader.BaseStream.Position > endPosition)
{
throw new PsdInvalidException("Corruption detected in resource.");
}
return(resource);
}
public static void SlicesToTextureRegionInfo(this PsdFile psd, ref Texture texture)
{
RawImageResource slices_resource = (RawImageResource)psd.ImageResources.Find(resource => resource.ID == ResourceID.Slices);
// Console.Write("Slices image resource:"); // Newline handled by ternary
// for(int i = 0; i < slices_resource.Data.Length; i++)
// {
// char c = MathUtil.Clamp((char)slices_resource.Data[i], '~', ' ');
// if(c == slices_resource.Data[i])
// Console.Write(c);
// else
// Console.Write("[{0}]", slices_resource.Data[i]);
// }
PsdSlicesHeader psd_slices_header = new PsdSlicesHeader();
PsdSlice[] psd_slices;
// FixedEndianness and ReadPascalString are defined in Utility.Structure
using (MemoryStream mem_stream = new MemoryStream(slices_resource.Data))
{
using (BinaryReader reader = new BinaryReader(mem_stream, Encoding.BigEndianUnicode))
{
psd_slices_header.Version = reader.ReadInt32().FixEndianness();
psd_slices_header.Top = reader.ReadInt32().FixEndianness();
psd_slices_header.Left = reader.ReadInt32().FixEndianness();
psd_slices_header.Bottom = reader.ReadInt32().FixEndianness();
psd_slices_header.Right = reader.ReadInt32().FixEndianness();
psd_slices_header.GroupName = reader.ReadPascalString();
psd_slices_header.SliceCount = reader.ReadInt32().FixEndianness();
int len = psd_slices_header.SliceCount;
psd_slices = new PsdSlice[len];
// This is terrifying
for (int i = 0; i < len; i++)
{
psd_slices [i] = new PsdSlice();
psd_slices [i].Id = reader.ReadInt32().FixEndianness();
psd_slices [i].GroupId = reader.ReadInt32().FixEndianness();
psd_slices [i].Origin = reader.ReadInt32().FixEndianness();
if (psd_slices [i].Origin == 1)
{
psd_slices [i].AssociatedLayerId = reader.ReadInt32().FixEndianness();
}
psd_slices [i].Name = reader.ReadPascalString();
psd_slices [i].Type = reader.ReadInt32().FixEndianness();
psd_slices [i].Left = reader.ReadInt32().FixEndianness();
psd_slices [i].Top = reader.ReadInt32().FixEndianness();
psd_slices [i].Right = reader.ReadInt32().FixEndianness();
psd_slices [i].Bottom = reader.ReadInt32().FixEndianness();
psd_slices [i].URL = reader.ReadPascalString();
psd_slices [i].Target = reader.ReadPascalString();
psd_slices [i].Message = reader.ReadPascalString();
psd_slices [i].AltTag = reader.ReadPascalString();
psd_slices [i].CellIsHTML = reader.ReadBoolean();
psd_slices [i].CellText = reader.ReadPascalString();
psd_slices [i].HorizontalAlignment = reader.ReadInt32().FixEndianness();
psd_slices [i].VerticalAlignment = reader.ReadInt32().FixEndianness();
psd_slices [i].A = reader.ReadByte();
psd_slices [i].R = reader.ReadByte();
psd_slices [i].G = reader.ReadByte();
psd_slices [i].B = reader.ReadByte();
}
reader.Dispose();
}
mem_stream.Dispose();
}
var tr = new List <TextureRegion> ();
var set_corner = new List <TextureRegion> ();
for (int i = 0; i < psd_slices.Length; i++)
{
PsdSlice slice = psd_slices [i];
if (slice.Name != "")
{
TextureRegion region =
new TextureRegion(slice.Name,
new Vector2d(slice.Left, psd.RowCount - slice.Bottom),
new Vector2d(slice.Right, psd.RowCount - slice.Top)); // Vertical axis (Y) is flipped
if (slice.Target.ToLower() == "default")
{
texture.DefaultRegionIndex = tr.Count;
}
if (slice.Target.ToLower() == "corner")
{
set_corner.Add(region);
}
tr.Add(region);
}
}
texture.Regions = tr.ToArray();
// Set the origin of these regions to a position that aligns its
// lower left corner with the default region
for (int i = 0; i < set_corner.Count; i++)
{
Vector2d origin_offset = 0.5 * (set_corner[i].Size - texture.DefaultRegion.Size);
//Console.WriteLine("Expected: {0}", origin);
set_corner[i].OriginOffset = origin_offset;
//Console.WriteLine("Result: {0}", set_corner[i].OriginOffset);
}
}
