internal void AddFrame(string path, int delay = 66)
{
using (var stream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read))
{
if (IsFirstFrame)
{
IsFirstFrame = false;
//Psd Header: XX bytes.
InternalStream.WriteBytes(Encoding.ASCII.GetBytes("8BPS")); //Chunk type, 4 bytes.
InternalStream.WriteUInt16(BitHelper.ConvertEndian((ushort)1)); //File version, 1 - PSD, 2 - PSB, 2 bytes.
InternalStream.Position += 6; //Must be zero, 6 bytes.
InternalStream.WriteUInt16(BitHelper.ConvertEndian((ushort)3)); //Number of channels, 2 bytes.
InternalStream.WriteUInt32(BitHelper.ConvertEndian((uint)Height)); //Height of the image, 4 bytes.
InternalStream.WriteUInt32(BitHelper.ConvertEndian((uint)Width)); //Width of the image, 4 bytes.
InternalStream.WriteUInt16(BitHelper.ConvertEndian((ushort)8)); //Number of bits per channel, 2 bytes.
InternalStream.WriteUInt16(BitHelper.ConvertEndian((ushort)3)); //The color mode of the file, 3 - RGB, 2 bytes.
//Color mode data. 4 bytes.
InternalStream.WriteUInt32(BitHelper.ConvertEndian(0u)); //The size of the color mode data block, 0 bytes for RGB mode, 4 bytes.
//TODO: Write the image resource block to another stream, then merge with the main one.
//TODO: Or save the position and update later.
//Image resources. XX bytes.
InternalStream.WriteUInt32(BitHelper.ConvertEndian(0u)); //The size of the image resource block, 4 bytes. TODO
//InternalStream.WriteBytes(Encoding.ASCII.GetBytes("8BIM")); //Chunk type, 4 bytes.
//InternalStream.WriteUInt16(BitHelper.ConvertEndian((ushort)0x0)); //Image Resource Id, 2 bytes.
//InternalStream.WriteBytes(new byte[] { 0, 0 });
//Save the position
//Layers and Masks list. XX bytes.
InternalStream.WriteUInt32(BitHelper.ConvertEndian(0u)); //The size of the layer and global mask block, 4 bytes. TODO
InternalStream.WriteUInt32(BitHelper.ConvertEndian(0u)); //The size of the layer block, 4 bytes. TODO
InternalStream.WriteUInt16(BitHelper.ConvertEndian((ushort)0)); //The layer count, 2 bytes. TODO
}
InternalStream.WriteUInt32(BitHelper.ConvertEndian(0u)); //Top, 4 bytes.
InternalStream.WriteUInt32(BitHelper.ConvertEndian(0u)); //Left, 4 bytes.
InternalStream.WriteUInt32(BitHelper.ConvertEndian((uint)Height)); //Bottom, 4 bytes.
InternalStream.WriteUInt32(BitHelper.ConvertEndian((uint)Width)); //Right, 4 bytes.
InternalStream.WriteInt16(BitHelper.ConvertEndian((short)4)); //Number of channels, 2 bytes.
for (int i = -1; i < 4; i++)
{
InternalStream.WriteInt16(BitHelper.ConvertEndian((short)i)); //Channel ID, 2 bytes.
InternalStream.WriteUInt32(BitHelper.ConvertEndian((uint)0)); //Data lenght of channel, 4 bytes. TODO
}
InternalStream.WriteBytes(Encoding.ASCII.GetBytes("8BIM")); //Blend mode signature, 4 bytes.
InternalStream.WriteInt32(BitHelper.ConvertEndian(0x6e6f726d)); //Blend mode value, Normal, 4 bytes.
InternalStream.WriteByte(255); //Opacity, 1 byte.
InternalStream.WriteByte(0); //Clipping, 1 byte.
InternalStream.WriteByte(10); //Flags, Visible = true, 1 byte.
InternalStream.WriteByte(0); //Filler, 1 byte.
InternalStream.WriteUInt32(BitHelper.ConvertEndian((uint)0)); //Extra data lenght, 4 bytes. TODO
InternalStream.WriteInt32(BitHelper.ConvertEndian(0)); //Layer mask size, 4 bytes.
InternalStream.WriteInt32(BitHelper.ConvertEndian(0)); //Blending ranges size, 4 bytes. TODO: Check if it's possible o have this as zero.
var name = $"Frame {0}".Truncate(255);
InternalStream.WriteByte((byte)name.Length); //Layer name size, 1 byte.
InternalStream.WriteString1252(name); //Layer name size, 1 byte.
var padding = 4 - (name.Length + 1) % 4;
if (padding != 4) //There's zero padding if equals to 4.
{
InternalStream.Position += padding;
}
//For each Aditional Layer Information:
//InternalStream.WriteBytes(Encoding.ASCII.GetBytes("8BIM")); //Aditional Layer Information signature, 4 bytes.
//InternalStream.WriteBytes(Encoding.ASCII.GetBytes("shmd")); //ALI ID, 4 bytes.
var a = new TiffBitmapEncoder {
Compression = TiffCompressOption.None
};
a.Frames.Add(BitmapFrame.Create(path.SourceFrom()));
using (var ms = new MemoryStream())
{
a.Save(ms);
ImageDataList.Add(ms.ToArray());
}
}
}
