// methods
public static ImageCodecInfo[] GetImageDecoders()
{
int decoderNums, arraySize, decoder_size;
IntPtr decoders, decoder_ptr;
ImageCodecInfo[] result;
GdipImageCodecInfo gdipdecoder = new GdipImageCodecInfo();
Status status;
status = GDIPlus.GdipGetImageDecodersSize(out decoderNums, out arraySize);
GDIPlus.CheckStatus(status);
result = new ImageCodecInfo [decoderNums];
if (decoderNums == 0)
{
return(result);
}
/* Get decoders list*/
decoders = Marshal.AllocHGlobal(arraySize);
try
{
status = GDIPlus.GdipGetImageDecoders(decoderNums, arraySize, decoders);
GDIPlus.CheckStatus(status);
decoder_size = Marshal.SizeOf(gdipdecoder);
decoder_ptr = decoders;
for (int i = 0; i < decoderNums; i++, decoder_ptr = new IntPtr(decoder_ptr.ToInt64() + decoder_size))
{
gdipdecoder = (GdipImageCodecInfo)Marshal.PtrToStructure(decoder_ptr, typeof(GdipImageCodecInfo));
result[i] = new ImageCodecInfo();
GdipImageCodecInfo.MarshalTo(gdipdecoder, result[i]);
}
}
finally
{
Marshal.FreeHGlobal(decoders);
}
return(result);
}
// methods
public static ImageCodecInfo[] GetImageDecoders()
{
int decoderNums, arraySize, decoder_size;
IntPtr decoders, decoder_ptr;
ImageCodecInfo[] result;
GdipImageCodecInfo gdipdecoder = new GdipImageCodecInfo();
Status status;
status = GDIPlus.GdipGetImageDecodersSize (out decoderNums, out arraySize);
GDIPlus.CheckStatus (status);
result = new ImageCodecInfo [decoderNums];
if (decoderNums == 0)
return result;
/* Get decoders list*/
decoders = Marshal.AllocHGlobal (arraySize);
try {
status = GDIPlus.GdipGetImageDecoders (decoderNums, arraySize, decoders);
GDIPlus.CheckStatus (status);
decoder_size = Marshal.SizeOf (gdipdecoder);
decoder_ptr = decoders;
for (int i = 0; i < decoderNums; i++, decoder_ptr = new IntPtr (decoder_ptr.ToInt64 () + decoder_size)) {
gdipdecoder = (GdipImageCodecInfo) Marshal.PtrToStructure (decoder_ptr, typeof (GdipImageCodecInfo));
result[i] = new ImageCodecInfo ();
GdipImageCodecInfo.MarshalTo (gdipdecoder, result[i]);
}
}
finally {
Marshal.FreeHGlobal (decoders);
}
return result;
}
