///////////////////////////////////////////////////////////////////////////
private void SaveGlobalLayerMask(PsdBinaryWriter writer)
{
Util.DebugMessage(writer.BaseStream, "Save, Begin, GlobalLayerMask");
if (AdditionalInfo.Exists(x => x.Key == "LMsk"))
{
writer.Write((UInt32)0);
Util.DebugMessage(writer.BaseStream, "Save, End, GlobalLayerMask");
return;
}
writer.Write((UInt32)_globalLayerMaskData.Length);
writer.Write(_globalLayerMaskData);
Util.DebugMessage(writer.BaseStream, "Save, End, GlobalLayerMask");
}
/// <summary>
/// Saves the Layers Info section, including headers and padding.
/// </summary>
/// <param name="writer">The PSD writer.</param>
internal void SaveLayers(PsdBinaryWriter writer)
{
Util.DebugMessage(writer.BaseStream, "Save, Begin, Layers Info section");
using (new PsdBlockLengthWriter(writer, IsLargeDocument))
{
var startPosition = writer.BaseStream.Position;
// Only one set of Layers can exist in the file. If layers will be
// written to the Additional Info section, then the Layers section
// must be empty to avoid conflict.
var hasInfoLayers = AdditionalInfo.Exists(x => x is InfoLayers);
if (!hasInfoLayers)
{
SaveLayersData(writer);
}
// Documentation states that the Layers Info section is even-padded,
// but it is actually padded to a multiple of 4.
writer.WritePadding(startPosition, 4);
}
Util.DebugMessage(writer.BaseStream, "Save, End, Layers Info section");
}
