public static uint GetBitPerPixel(Guid pixelFormat)
{
IWICImagingFactory factory = (IWICImagingFactory) new WICImagingFactory();
IWICPixelFormatInfo info = null;
try
{
info = (IWICPixelFormatInfo)factory.CreateComponentInfo(pixelFormat);
return(info.GetBitsPerPixel());
}
finally
{
factory.ReleaseComObject();
info.ReleaseComObject();
}
}
void Check(MainForm form, IWICPixelFormatInfo info, object tag)
{
uint bpp = info.GetBitsPerPixel();
if (bpp == 0)
{
form.Add(this, Resources.ZeroBPP);
}
uint count = info.GetChannelCount();
if (count == 0)
{
form.Add(this, Resources.ZeroChannelCount);
}
byte[][] channelMasks = new byte[count][];
Dictionary <int, List <uint> > dups = new Dictionary <int, List <uint> >();
byte[] fullMask = new byte[(bpp + 7) / 8];
for (uint i = 0; i < count; i++)
{
DataEntry[] de = new DataEntry[] { new DataEntry(Resources.Channel, i) };
byte[] mask = new byte[info.GetChannelMask(i, 0, null)];
if (mask.Length > 0)
{
info.GetChannelMask(i, (uint)mask.Length, mask);
}
if (mask.Length != (bpp + 7) / 8)
{
form.Add(this, Resources.IncorrectMaskLegth, de, new DataEntry(Resources.Expected, (bpp + 7) / 8), new DataEntry(Resources.Actual, mask.Length));
}
byte[] fullMaskSaved = fullMask.Clone() as byte[];
for (int k = 0; k < fullMask.Length && k < mask.Length; k++)
{
fullMask[k] |= mask[k];
}
if (fullMaskSaved.ItemsEqual(fullMask))
{
form.Add(this, Resources.IncorrectChannelMask, de, new DataEntry(Resources.Mask, mask));
}
int idx = Array.FindIndex(channelMasks, mask.ItemsEqual);
if (idx >= 0)
{
List <uint> r;
if (!dups.TryGetValue(idx, out r))
{
r = new List <uint>();
dups[idx] = r;
r.Add((uint)idx);
}
r.Add(i);
}
channelMasks[(int)i] = mask;
}
foreach (List <uint> l in dups.Values)
{
form.Add(this, Resources.DuplicatedChannelMask, new DataEntry(Resources.Channel, l.ToArray()));
}
}
