public async Task SaveAsync(string fileName, ResourceLanguage language, IconGroupSaveFormat saveFormat)
{
using (var file = new FileStream(fileName, FileMode.Create, FileAccess.Write, FileShare.None))
{
await SaveAsync(file, language, saveFormat).ConfigureAwait(false);
await file.FlushAsync().ConfigureAwait(false);
}
}
public async Task SaveAsync(Stream stream, ResourceLanguage language, IconGroupSaveFormat saveFormat)
{
if (saveFormat == IconGroupSaveFormat.Raw)
{
var buffer = await _resource.GetBytesAsync(language).ConfigureAwait(false);
await stream.WriteBytesAsync(buffer).ConfigureAwait(false);
}
else
{
var group = await _resource.GetGroupAsync(language).ConfigureAwait(false);
var offsets = new uint[group.Count];
var offset = (6 + (16 * offsets.Length)).ToUInt32();
for (var i = 0; i < group.Count; i++)
{
var entry = group[i];
offsets[i] = offset;
offset += entry.BytesInRes;
}
await stream.WriteUInt16Async(0).ConfigureAwait(false);
await stream.WriteUInt16Async(1).ConfigureAwait(false);
await stream.WriteUInt16Async(group.Count.ToUInt16()).ConfigureAwait(false);
for (var i = 0; i < group.Count; i++)
{
var entry = group[i];
var colorCount = Convert.ToUInt64(Math.Pow(2, entry.BitCount));
if (colorCount >= 256)
{
colorCount = 0;
}
await stream.WriteByteAsync(Convert.ToByte(entry.Width >= 256 ? 0 : entry.Width)).ConfigureAwait(false);
await stream.WriteByteAsync(Convert.ToByte(entry.Height >= 256 ? 0 : entry.Height)).ConfigureAwait(false);
await stream.WriteByteAsync(Convert.ToByte(colorCount)).ConfigureAwait(false);
await stream.WriteByteAsync(0).ConfigureAwait(false);
await stream.WriteUInt16Async(1).ConfigureAwait(false);
await stream.WriteUInt16Async(entry.BitCount).ConfigureAwait(false);
await stream.WriteUInt32Async(entry.BytesInRes).ConfigureAwait(false);
await stream.WriteUInt32Async(offsets[i]).ConfigureAwait(false);
}
var icons = _resource.Type.Resources.First(type => type.Id == ResourceType.Icon);
for (var i = 0; i < group.Count; i++)
{
var entry = group[i];
var resource = icons.First(r => r.Id == entry.IconId);
var buffer = await resource.GetBytesAsync(language).ConfigureAwait(false);
await stream.WriteBytesAsync(buffer).ConfigureAwait(false);
}
}
}
public void Save(string fileName, ResourceLanguage language, IconGroupSaveFormat saveFormat)
{
SaveAsync(fileName, language, saveFormat).GetAwaiter().GetResult();
}
public void Save(Stream stream, ResourceLanguage language, IconGroupSaveFormat saveFormat)
{
SaveAsync(stream, language, saveFormat).GetAwaiter().GetResult();
}
