private static ImageCodecInfo[] ConvertFromMemory(IntPtr memoryStart, int numCodecs)
{
ImageCodecInfo[] infoArray = new ImageCodecInfo[numCodecs];
for (int i = 0; i < numCodecs; i++)
{
IntPtr lparam = (IntPtr)(((long)memoryStart) + (Marshal.SizeOf(typeof(ImageCodecInfoPrivate)) * i));
ImageCodecInfoPrivate data = new ImageCodecInfoPrivate();
System.Drawing.UnsafeNativeMethods.PtrToStructure(lparam, data);
infoArray[i] = new ImageCodecInfo();
infoArray[i].Clsid = data.Clsid;
infoArray[i].FormatID = data.FormatID;
infoArray[i].CodecName = Marshal.PtrToStringUni(data.CodecName);
infoArray[i].DllName = Marshal.PtrToStringUni(data.DllName);
infoArray[i].FormatDescription = Marshal.PtrToStringUni(data.FormatDescription);
infoArray[i].FilenameExtension = Marshal.PtrToStringUni(data.FilenameExtension);
infoArray[i].MimeType = Marshal.PtrToStringUni(data.MimeType);
infoArray[i].Flags = (ImageCodecFlags)data.Flags;
infoArray[i].Version = data.Version;
infoArray[i].SignaturePatterns = new byte[data.SigCount][];
infoArray[i].SignatureMasks = new byte[data.SigCount][];
for (int j = 0; j < data.SigCount; j++)
{
infoArray[i].SignaturePatterns[j] = new byte[data.SigSize];
infoArray[i].SignatureMasks[j] = new byte[data.SigSize];
Marshal.Copy((IntPtr)(((long)data.SigMask) + (j * data.SigSize)), infoArray[i].SignatureMasks[j], 0, data.SigSize);
Marshal.Copy((IntPtr)(((long)data.SigPattern) + (j * data.SigSize)), infoArray[i].SignaturePatterns[j], 0, data.SigSize);
}
}
return(infoArray);
}
private static ImageCodecInfo[] ConvertFromMemory(IntPtr memoryStart, int numCodecs)
{
ImageCodecInfo[] infoArray = new ImageCodecInfo[numCodecs];
for (int i = 0; i < numCodecs; i++)
{
IntPtr lparam = (IntPtr) (((long) memoryStart) + (Marshal.SizeOf(typeof(ImageCodecInfoPrivate)) * i));
ImageCodecInfoPrivate data = new ImageCodecInfoPrivate();
System.Drawing.UnsafeNativeMethods.PtrToStructure(lparam, data);
infoArray[i] = new ImageCodecInfo();
infoArray[i].Clsid = data.Clsid;
infoArray[i].FormatID = data.FormatID;
infoArray[i].CodecName = Marshal.PtrToStringUni(data.CodecName);
infoArray[i].DllName = Marshal.PtrToStringUni(data.DllName);
infoArray[i].FormatDescription = Marshal.PtrToStringUni(data.FormatDescription);
infoArray[i].FilenameExtension = Marshal.PtrToStringUni(data.FilenameExtension);
infoArray[i].MimeType = Marshal.PtrToStringUni(data.MimeType);
infoArray[i].Flags = (ImageCodecFlags) data.Flags;
infoArray[i].Version = data.Version;
infoArray[i].SignaturePatterns = new byte[data.SigCount][];
infoArray[i].SignatureMasks = new byte[data.SigCount][];
for (int j = 0; j < data.SigCount; j++)
{
infoArray[i].SignaturePatterns[j] = new byte[data.SigSize];
infoArray[i].SignatureMasks[j] = new byte[data.SigSize];
Marshal.Copy((IntPtr) (((long) data.SigMask) + (j * data.SigSize)), infoArray[i].SignatureMasks[j], 0, data.SigSize);
Marshal.Copy((IntPtr) (((long) data.SigPattern) + (j * data.SigSize)), infoArray[i].SignaturePatterns[j], 0, data.SigSize);
}
}
return infoArray;
}
private static ImageCodecInfo[] ConvertFromMemory(IntPtr memoryStart, int numCodecs)
{
ImageCodecInfo[] codecs = new ImageCodecInfo[numCodecs];
int index;
for (index = 0; index < numCodecs; index++)
{
IntPtr curcodec = (IntPtr)((long)memoryStart + (int)Marshal.SizeOf(typeof(ImageCodecInfoPrivate)) * index);
ImageCodecInfoPrivate codecp = new ImageCodecInfoPrivate();
Marshal.PtrToStructure(curcodec, codecp);
codecs[index] = new ImageCodecInfo();
codecs[index].Clsid = codecp.Clsid;
codecs[index].FormatID = codecp.FormatID;
codecs[index].CodecName = Marshal.PtrToStringUni(codecp.CodecName);
codecs[index].DllName = Marshal.PtrToStringUni(codecp.DllName);
codecs[index].FormatDescription = Marshal.PtrToStringUni(codecp.FormatDescription);
codecs[index].FilenameExtension = Marshal.PtrToStringUni(codecp.FilenameExtension);
codecs[index].MimeType = Marshal.PtrToStringUni(codecp.MimeType);
codecs[index].Flags = (ImageCodecFlags)codecp.Flags;
codecs[index].Version = (int)codecp.Version;
codecs[index].SignaturePatterns = new byte[codecp.SigCount][];
codecs[index].SignatureMasks = new byte[codecp.SigCount][];
for (int j = 0; j < codecp.SigCount; j++)
{
codecs[index].SignaturePatterns ![j] = new byte[codecp.SigSize];
internal static void FreeMemory(ImageCodecInfoPrivate imagecodecp)
{
Marshal.FreeHGlobal(imagecodecp.CodecName);
Marshal.FreeHGlobal(imagecodecp.FormatDescription);
Marshal.FreeHGlobal(imagecodecp.FilenameExtension);
Marshal.FreeHGlobal(imagecodecp.MimeType);
Marshal.FreeHGlobal(imagecodecp.SigPattern);
Marshal.FreeHGlobal(imagecodecp.SigMask);
}
internal static ImageCodecInfoPrivate ConvertToMemory(ImageCodecInfo imagecs)
{
ImageCodecInfoPrivate imagecsp = new ImageCodecInfoPrivate();
imagecsp.Clsid = imagecs.Clsid;
imagecsp.FormatID = imagecs.FormatID;
imagecsp.CodecName = Marshal.StringToHGlobalUni(imagecs.CodecName);
imagecsp.DllName = Marshal.StringToHGlobalUni(imagecs.DllName);
imagecsp.FormatDescription = Marshal.StringToHGlobalUni(imagecs.FormatDescription);
imagecsp.FilenameExtension = Marshal.StringToHGlobalUni(imagecs.FilenameExtension);
imagecsp.MimeType = Marshal.StringToHGlobalUni(imagecs.MimeType);
imagecsp.Flags = (int)imagecs.Flags;
imagecsp.Version = (int)imagecs.Version;
imagecsp.SigCount = imagecs.SignaturePatterns.Length;
imagecsp.SigSize = imagecs.SignaturePatterns[0].Length;
imagecsp.SigPattern = Marshal.AllocHGlobal(imagecsp.SigCount * imagecsp.SigSize);
imagecsp.SigMask = Marshal.AllocHGlobal(imagecsp.SigCount * imagecsp.SigSize);
for (int i = 0; i < imagecsp.SigCount; i++)
{
Marshal.Copy(imagecs.SignaturePatterns[i],
0,
(IntPtr)((long)imagecsp.SigPattern + i * imagecsp.SigSize),
imagecsp.SigSize);
Marshal.Copy(imagecs.SignatureMasks[i],
0,
(IntPtr)((long)imagecsp.SigMask + i * imagecsp.SigSize),
imagecsp.SigSize);
}
return(imagecsp);
}
/* FxCop rule 'AvoidBuildingNonCallableCode' - Left here in case it is needed in the future.
internal static ImageCodecInfoPrivate ConvertToMemory(ImageCodecInfo imagecs)
{
ImageCodecInfoPrivate imagecsp = new ImageCodecInfoPrivate();
imagecsp.Clsid = imagecs.Clsid;
imagecsp.FormatID = imagecs.FormatID;
imagecsp.CodecName = Marshal.StringToHGlobalUni(imagecs.CodecName);
imagecsp.DllName = Marshal.StringToHGlobalUni(imagecs.DllName);
imagecsp.FormatDescription = Marshal.StringToHGlobalUni(imagecs.FormatDescription);
imagecsp.FilenameExtension = Marshal.StringToHGlobalUni(imagecs.FilenameExtension);
imagecsp.MimeType = Marshal.StringToHGlobalUni(imagecs.MimeType);
imagecsp.Flags = (int)imagecs.Flags;
imagecsp.Version = (int)imagecs.Version;
imagecsp.SigCount = imagecs.SignaturePatterns.Length;
imagecsp.SigSize = imagecs.SignaturePatterns[0].Length;
imagecsp.SigPattern = Marshal.AllocHGlobal(imagecsp.SigCount*imagecsp.SigSize);
imagecsp.SigMask = Marshal.AllocHGlobal(imagecsp.SigCount*imagecsp.SigSize);
for (int i=0; i<imagecsp.SigCount; i++)
{
Marshal.Copy(imagecs.SignaturePatterns[i],
0,
(IntPtr)((long)imagecsp.SigPattern + i*imagecsp.SigSize),
imagecsp.SigSize);
Marshal.Copy(imagecs.SignatureMasks[i],
0,
(IntPtr)((long)imagecsp.SigMask + i*imagecsp.SigSize),
imagecsp.SigSize);
}
return imagecsp;
}
internal static void FreeMemory(ImageCodecInfoPrivate imagecodecp)
{
Marshal.FreeHGlobal(imagecodecp.CodecName);
Marshal.FreeHGlobal(imagecodecp.FormatDescription);
Marshal.FreeHGlobal(imagecodecp.FilenameExtension);
Marshal.FreeHGlobal(imagecodecp.MimeType);
Marshal.FreeHGlobal(imagecodecp.SigPattern);
Marshal.FreeHGlobal(imagecodecp.SigMask);
}
*/
private static ImageCodecInfo[] ConvertFromMemory(IntPtr memoryStart, int numCodecs)
{
ImageCodecInfo[] codecs = new ImageCodecInfo[numCodecs];
int index;
for (index=0; index<numCodecs; index++)
{
IntPtr curcodec = (IntPtr)((long)memoryStart + (int)Marshal.SizeOf(typeof(ImageCodecInfoPrivate))*index);
ImageCodecInfoPrivate codecp = new ImageCodecInfoPrivate();
UnsafeNativeMethods.PtrToStructure(curcodec, codecp);
codecs[index] = new ImageCodecInfo();
codecs[index].Clsid = codecp.Clsid;
codecs[index].FormatID = codecp.FormatID;
codecs[index].CodecName = Marshal.PtrToStringUni(codecp.CodecName);
codecs[index].DllName = Marshal.PtrToStringUni(codecp.DllName);
codecs[index].FormatDescription = Marshal.PtrToStringUni(codecp.FormatDescription);
codecs[index].FilenameExtension = Marshal.PtrToStringUni(codecp.FilenameExtension);
codecs[index].MimeType = Marshal.PtrToStringUni(codecp.MimeType);
codecs[index].Flags = (ImageCodecFlags)codecp.Flags;
codecs[index].Version = (int)codecp.Version;
codecs[index].SignaturePatterns = new byte[codecp.SigCount][];
codecs[index].SignatureMasks = new byte[codecp.SigCount][];
for (int j=0; j<codecp.SigCount; j++)
{
codecs[index].SignaturePatterns[j] = new byte[codecp.SigSize];
codecs[index].SignatureMasks[j] = new byte[codecp.SigSize];
Marshal.Copy((IntPtr)((long)codecp.SigMask + j*codecp.SigSize), codecs[index].SignatureMasks[j], 0, codecp.SigSize);
Marshal.Copy((IntPtr)((long)codecp.SigPattern + j*codecp.SigSize), codecs[index].SignaturePatterns[j], 0, codecp.SigSize);
}
}
return codecs;
}
