/// <summary>
/// Copy the native GDI+ EncoderParameters data from a chunk of memory into a managed EncoderParameters object.
/// See ConvertToMemory for more info.
/// </summary>
internal static EncoderParameters ConvertFromMemory(IntPtr memory)
{
if (memory == IntPtr.Zero)
{
throw Gdip.StatusException(Gdip.InvalidParameter);
}
int count = Marshal.ReadInt32(memory);
EncoderParameters p = new EncoderParameters(count);
int size = Marshal.SizeOf(typeof(EncoderParameter));
long arrayOffset = (long)memory + Marshal.SizeOf(typeof(IntPtr));
for (int i = 0; i < count; i++)
{
Guid guid = (Guid)Marshal.PtrToStructure((IntPtr)(i * size + arrayOffset), typeof(Guid));
int numberOfValues = Marshal.ReadInt32((IntPtr)(i * size + arrayOffset + 16));
EncoderParameterValueType type = (EncoderParameterValueType)Marshal.ReadInt32((IntPtr)(i * size + arrayOffset + 20));
IntPtr value = Marshal.ReadIntPtr((IntPtr)(i * size + arrayOffset + 24));
p._param[i] = new EncoderParameter(new Encoder(guid), numberOfValues, type, value);
}
return(p);
}
public EncoderParameter(Encoder encoder,
int[] numerator1, int[] denominator1,
int[] numerator2, int[] denominator2)
{
_parameterGuid = encoder.Guid;
if (numerator1.Length != denominator1.Length ||
numerator1.Length != denominator2.Length ||
denominator1.Length != denominator2.Length)
{
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.InvalidParameter);
}
_parameterValueType = EncoderParameterValueType.ValueTypeRationalRange;
_numberOfValues = numerator1.Length;
int size = Marshal.SizeOf(typeof(Int32));
_parameterValue = Marshal.AllocHGlobal(checked (_numberOfValues * 4 * size));
if (_parameterValue == IntPtr.Zero)
{
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
}
for (int i = 0; i < _numberOfValues; i++)
{
Marshal.WriteInt32(Add(_parameterValue, 4 * i * size), numerator1[i]);
Marshal.WriteInt32(Add(_parameterValue, (4 * i + 1) * size), denominator1[i]);
Marshal.WriteInt32(Add(_parameterValue, (4 * i + 2) * size), numerator2[i]);
Marshal.WriteInt32(Add(_parameterValue, (4 * i + 3) * size), denominator2[i]);
}
GC.KeepAlive(this);
}
public EncoderParameter(Encoder encoder, int[] numerator, int[] denominator)
{
_parameterGuid = encoder.Guid;
if (numerator.Length != denominator.Length)
{
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.InvalidParameter);
}
_parameterValueType = EncoderParameterValueType.ValueTypeRational;
_numberOfValues = numerator.Length;
int size = Marshal.SizeOf(typeof(Int32));
_parameterValue = Marshal.AllocHGlobal(checked (_numberOfValues * 2 * size));
if (_parameterValue == IntPtr.Zero)
{
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
}
for (int i = 0; i < _numberOfValues; i++)
{
Marshal.WriteInt32(Add(i * 2 * size, _parameterValue), (int)numerator[i]);
Marshal.WriteInt32(Add((i * 2 + 1) * size, _parameterValue), (int)denominator[i]);
}
GC.KeepAlive(this);
}
public EncoderParameter(Encoder encoder, int NumberOfValues, int Type, int Value)
{
this.encoder = encoder;
this.valuePtr = (IntPtr)Value;
this.valuesCount = NumberOfValues;
this.type = (EncoderParameterValueType)Type;
}
public EncoderParameter(Encoder encoder, short value)
{
this.encoder = encoder.Guid;
this.numberOfValues = 1;
this.type = EncoderParameterValueType.ValueTypeShort;
this.value = value;
}
public unsafe EncoderParameter(Encoder encoder, long[] value)
{
_parameterGuid = encoder.Guid;
_parameterValueType = EncoderParameterValueType.ValueTypeLong;
_numberOfValues = value.Length;
int size = Marshal.SizeOf(typeof(Int32));
_parameterValue = Marshal.AllocHGlobal(checked (_numberOfValues * size));
if (_parameterValue == IntPtr.Zero)
{
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
}
int *dest = (int *)_parameterValue;
fixed(long *source = value)
{
for (int i = 0; i < value.Length; i++)
{
dest[i] = unchecked ((int)source[i]);
}
}
GC.KeepAlive(this);
}
public EncoderParameter(Encoder encoder, long[] rangebegin, long[] rangeend)
{
_parameterGuid = encoder.Guid;
if (rangebegin.Length != rangeend.Length)
{
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.InvalidParameter);
}
_parameterValueType = EncoderParameterValueType.ValueTypeLongRange;
_numberOfValues = rangebegin.Length;
int size = Marshal.SizeOf(typeof(Int32));
_parameterValue = Marshal.AllocHGlobal(checked (_numberOfValues * 2 * size));
if (_parameterValue == IntPtr.Zero)
{
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
}
for (int i = 0; i < _numberOfValues; i++)
{
Marshal.WriteInt32(Add(i * 2 * size, _parameterValue), unchecked ((int)rangebegin[i]));
Marshal.WriteInt32(Add((i * 2 + 1) * size, _parameterValue), unchecked ((int)rangeend[i]));
}
GC.KeepAlive(this);
}
public void Ctor_Encoder_NumberOfValues_Type_Value(int numberOfValues, EncoderParameterValueType type, IntPtr value)
{
using (EncoderParameter ep = new EncoderParameter(s_anyEncoder, numberOfValues, type, value))
{
CheckEncoderParameter(ep, s_anyEncoder, type, numberOfValues);
}
}
public void Ctor_Encoder_ByteArray_Bool(byte[] value, bool undefined, EncoderParameterValueType expected)
{
using (EncoderParameter ep = new EncoderParameter(s_anyEncoder, value, undefined))
{
CheckEncoderParameter(ep, s_anyEncoder, expected, value.Length);
}
}
public EncoderParameter(Encoder encoder, String value)
{
this.encoder = encoder.Guid;
this.numberOfValues = value.Length + 1;
this.type = EncoderParameterValueType.ValueTypeAscii;
this.value = value;
}
public EncoderParameter(Encoder encoder, long value)
{
this.encoder = encoder.Guid;
this.numberOfValues = 1;
this.type = EncoderParameterValueType.ValueTypeLong;
this.value = value;
}
public EncoderParameter(Encoder encoder, long rangebegin, long rangeend)
{
this.encoder = encoder.Guid;
this.numberOfValues = 1;
this.type = EncoderParameterValueType.ValueTypeLongRange;
this.value = new Tuple(rangebegin, rangeend);
}
public EncoderParameter(Encoder encoder, int numerator, int denominator)
{
this.encoder = encoder.Guid;
this.numberOfValues = 1;
this.type = EncoderParameterValueType.ValueTypeRational;
this.value = new Tuple(numerator, denominator);
}
public EncoderParameter(Encoder encoder, byte[] value)
{
this.encoder = encoder.Guid;
this.numberOfValues = value.Length;
this.type = EncoderParameterValueType.ValueTypeByte;
this.value = value;
}
public EncoderParameter(Encoder encoder, byte[] value)
{
this.encoder = encoder.Guid;
this.numberOfValues = value.Length;
this.type = EncoderParameterValueType.ValueTypeByte;
this.value = value;
}
public EncoderParameter(
Encoder encoder,
int[] numerator1,
int[] denominator1,
int[] numerator2,
int[] denominator2)
{
if (numerator1.Length != denominator1.Length || numerator2.Length != denominator2.Length ||
numerator1.Length != numerator2.Length)
{
throw new ArgumentException("Invalid parameter used.");
}
this.encoder = encoder;
this.valuesCount = numerator1.Length;
this.type = EncoderParameterValueType.ValueTypeRationalRange;
this.valuePtr = Marshal.AllocHGlobal(4 * valuesCount * 4);
IntPtr dest = this.valuePtr;
for (int i = 0; i < valuesCount; i++)
{
Marshal.WriteInt32(dest, i * 4, numerator1[i]);
Marshal.WriteInt32(dest, (i + 1) * 4, denominator1[i]);
Marshal.WriteInt32(dest, (i + 2) * 4, numerator2[i]);
Marshal.WriteInt32(dest, (i + 3) * 4, denominator2[i]);
}
}
public void Ctor_Encoder_NegativeNumberOfValues_Type_Value_OutOfMemoryException(int numberOfValues)
{
IntPtr anyValue = IntPtr.Zero;
EncoderParameterValueType anyTypw = EncoderParameterValueType.ValueTypeAscii;
Assert.Throws <OutOfMemoryException>(() => new EncoderParameter(s_anyEncoder, numberOfValues, anyTypw, anyValue));
}
public EncoderParameter(Encoder encoder,
int[] numerator1, int[] denominator1,
int[] numerator2, int[] denominator2)
{
_parameterGuid = encoder.Guid;
if (numerator1.Length != denominator1.Length ||
numerator1.Length != denominator2.Length ||
denominator1.Length != denominator2.Length)
{
throw Gdip.StatusException(Gdip.InvalidParameter);
}
_parameterValueType = EncoderParameterValueType.ValueTypeRationalRange;
_numberOfValues = numerator1.Length;
_parameterValue = Marshal.AllocHGlobal(checked (_numberOfValues * 4 * sizeof(int)));
for (int i = 0; i < _numberOfValues; i++)
{
((int *)_parameterValue)[i * 4 + 0] = numerator1[i];
((int *)_parameterValue)[i * 4 + 1] = denominator1[i];
((int *)_parameterValue)[i * 4 + 2] = numerator2[i];
((int *)_parameterValue)[i * 4 + 3] = denominator2[i];
}
GC.KeepAlive(this);
}
internal static EncoderParameters ConvertFromMemory(IntPtr memory)
{
if (memory == IntPtr.Zero)
{
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.InvalidParameter);
}
int count = Marshal.ReadIntPtr(memory).ToInt32();
EncoderParameters p = new EncoderParameters(count);
int size = Marshal.SizeOf(typeof(EncoderParameter));
long arrayOffset = (long)memory + Marshal.SizeOf(typeof(IntPtr));
IntSecurity.UnmanagedCode.Assert();
try {
for (int i = 0; i < count; i++)
{
Guid guid = (Guid)UnsafeNativeMethods.PtrToStructure((IntPtr)(i * size + arrayOffset), typeof(Guid));
int numberOfValues = Marshal.ReadInt32((IntPtr)(i * size + arrayOffset + 16));
EncoderParameterValueType type = (EncoderParameterValueType)Marshal.ReadInt32((IntPtr)(i * size + arrayOffset + 20));
IntPtr value = Marshal.ReadIntPtr((IntPtr)(i * size + arrayOffset + 24));
p.param[i] = new EncoderParameter(new Encoder(guid), numberOfValues, type, value);
}
}
finally {
System.Security.CodeAccessPermission.RevertAssert();
}
return(p);
}
public EncoderParameter(Encoder encoder, int numberOfValues, int type, int value)
{
this.encoder = encoder;
this.valuePtr = (IntPtr)value;
this.valuesCount = numberOfValues;
this.type = (EncoderParameterValueType)type;
}
public EncoderParameter(Encoder encoder, short value)
{
this.encoder = encoder;
this.valuesCount = 1;
this.type = EncoderParameterValueType.ValueTypeShort;
this.valuePtr = Marshal.AllocHGlobal(2);
Marshal.WriteInt16(this.valuePtr, value);
}
public EncoderParameter(Encoder encoder, byte[] value)
{
this.encoder = encoder;
this.valuesCount = value.Length;
this.type = EncoderParameterValueType.ValueTypeByte;
this.valuePtr = Marshal.AllocHGlobal(1 * valuesCount);
Marshal.Copy(value, 0, this.valuePtr, valuesCount);
}
public EncoderParameter(Encoder encoder, long value)
{
this.encoder = encoder;
this.valuesCount = 1;
this.type = EncoderParameterValueType.ValueTypeLong;
this.valuePtr = Marshal.AllocHGlobal(4);
Marshal.WriteInt32(this.valuePtr, (int)value);
}
public EncoderParameter(Encoder encoder, int NumberOfValues,
int Type, int Value)
{
this.encoder = encoder.Guid;
this.numberOfValues = NumberOfValues;
this.type = (EncoderParameterValueType)Type;
this.value = Value;
}
public EncoderParameter(Encoder encoder, short value)
{
this.encoder = encoder;
this.valuesCount = 1;
this.type = EncoderParameterValueType.ValueTypeShort;
this.valuePtr = Marshal.AllocHGlobal(2);
Marshal.WriteInt16(this.valuePtr, value);
}
public EncoderParameter(Encoder encoder, byte value)
{
this.encoder = encoder;
this.valuesCount = 1;
this.type = EncoderParameterValueType.ValueTypeByte;
this.valuePtr = Marshal.AllocHGlobal(1);
Marshal.WriteByte(this.valuePtr, value);
}
public EncoderParameter(Encoder encoder, byte value)
{
this.encoder = encoder;
this.valuesCount = 1;
this.type = EncoderParameterValueType.ValueTypeByte;
this.valuePtr = Marshal.AllocHGlobal(1);
Marshal.WriteByte(this.valuePtr, value);
}
public EncoderParameter(Encoder encoder, short[] value)
{
this.encoder = encoder;
this.valuesCount = value.Length;
this.type = EncoderParameterValueType.ValueTypeShort;
this.valuePtr = Marshal.AllocHGlobal(2 * valuesCount);
Marshal.Copy(value, 0, this.valuePtr, valuesCount);
}
public EncoderParameter(Encoder encoder, byte value, bool undefined)
{
this.encoder = encoder.Guid;
this.numberOfValues = 1;
this.type = (undefined ?
EncoderParameterValueType.ValueTypeUndefined :
EncoderParameterValueType.ValueTypeByte);
this.value = value;
}
public EncoderParameter(Encoder encoder, int numerator1, int denominator1, int numerator2, int denominator2)
{
this.encoder = encoder;
this.valuesCount = 1;
this.type = EncoderParameterValueType.ValueTypeRationalRange;
this.valuePtr = Marshal.AllocHGlobal(4 * 4);
int[] valuearray = { numerator1, denominator1, numerator2, denominator2 };
Marshal.Copy(valuearray, 0, this.valuePtr, 4);
}
public EncoderParameter(Encoder encoder, int numerator, int denominator)
{
this.encoder = encoder;
this.valuesCount = 1;
this.type = EncoderParameterValueType.ValueTypeRational;
this.valuePtr = Marshal.AllocHGlobal(8);
int[] valuearray = { numerator, denominator };
Marshal.Copy(valuearray, 0, this.valuePtr, valuearray.Length);
}
public EncoderParameter(Encoder encoder, string value)
{
_parameterGuid = encoder.Guid;
_parameterValueType = EncoderParameterValueType.ValueTypeAscii;
_numberOfValues = value.Length;
_parameterValue = Marshal.StringToHGlobalAnsi(value);
GC.KeepAlive(this);
}
public EncoderParameter(Encoder encoder, long rangebegin, long rangeend)
{
this.encoder = encoder;
this.valuesCount = 1;
this.type = EncoderParameterValueType.ValueTypeLongRange;
this.valuePtr = Marshal.AllocHGlobal(8);
int[] valuearray = { (int)rangebegin, (int)rangeend };
Marshal.Copy(valuearray, 0, this.valuePtr, valuearray.Length);
}
public EncoderParameter(Encoder encoder, byte[] value, bool undefined)
{
this.encoder = encoder.Guid;
this.numberOfValues = value.Length;
this.type = (undefined ?
EncoderParameterValueType.ValueTypeUndefined :
EncoderParameterValueType.ValueTypeByte);
this.value = value;
}
public EncoderParameter(Encoder encoder, int[] numerator1,
int[] denominator1, int[] numerator2,
int[] denominator2)
{
this.encoder = encoder.Guid;
this.numberOfValues = numerator1.Length;
this.type = EncoderParameterValueType.ValueTypeRationalRange;
this.value = new Tuple(numerator1, denominator1,
numerator2, denominator2);
}
public EncoderParameter(Encoder encoder, int numberValues, EncoderParameterValueType type, IntPtr value)
{
int size;
IntSecurity.UnmanagedCode.Demand();
switch (type)
{
case EncoderParameterValueType.ValueTypeByte:
case EncoderParameterValueType.ValueTypeAscii: size = 1; break;
case EncoderParameterValueType.ValueTypeShort: size = 2; break;
case EncoderParameterValueType.ValueTypeLong: size = 4; break;
case EncoderParameterValueType.ValueTypeRational:
case EncoderParameterValueType.ValueTypeLongRange: size = 2 * 4; break;
case EncoderParameterValueType.ValueTypeUndefined: size = 1; break;
case EncoderParameterValueType.ValueTypeRationalRange: size = 2 * 2 * 4; break;
default:
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.WrongState);
//
}
int bytes = checked(size * numberValues);
parameterValue = Marshal.AllocHGlobal(bytes);
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
for (int i = 0; i < bytes; i++)
{
Marshal.WriteByte(Add(parameterValue, i), Marshal.ReadByte((IntPtr)(value + i)));
}
parameterValueType = type;
numberOfValues = numberValues;
parameterGuid = encoder.Guid;
GC.KeepAlive(this);
}
/// <include file='doc\EncoderParameter.uex' path='docs/doc[@for="EncoderParameter.EncoderParameter"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public EncoderParameter(Encoder encoder, byte value)
{
parameterGuid = encoder.Guid;
parameterValueType = EncoderParameterValueType.ValueTypeByte;
numberOfValues = 1;
parameterValue = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(Byte)));
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
Marshal.WriteByte(parameterValue, value);
GC.KeepAlive(this);
}
// Consider supporting a 'float' and converting to numerator/denominator
/// <include file='doc\EncoderParameter.uex' path='docs/doc[@for="EncoderParameter.EncoderParameter5"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public EncoderParameter(Encoder encoder, long rangebegin, long rangeend)
{
parameterGuid = encoder.Guid;
parameterValueType = EncoderParameterValueType.ValueTypeLongRange;
numberOfValues = 1;
int size = Marshal.SizeOf(typeof(Int32));
parameterValue = Marshal.AllocHGlobal(2*size);
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
Marshal.WriteInt32(parameterValue, unchecked((int)rangebegin));
Marshal.WriteInt32(Add(parameterValue, size), unchecked((int)rangeend));
GC.KeepAlive(this);
}
/// <include file='doc\EncoderParameter.uex' path='docs/doc[@for="EncoderParameter.EncoderParameter3"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public EncoderParameter(Encoder encoder, long value)
{
parameterGuid = encoder.Guid;
parameterValueType = EncoderParameterValueType.ValueTypeLong;
numberOfValues = 1;
parameterValue = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(Int32)));
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
Marshal.WriteInt32(parameterValue, unchecked((int)value));
GC.KeepAlive(this);
}
// Consider supporting a 'float' and converting to numerator/denominator
/// <include file='doc\EncoderParameter.uex' path='docs/doc[@for="EncoderParameter.EncoderParameter6"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public EncoderParameter(Encoder encoder,
int numerator1, int demoninator1,
int numerator2, int demoninator2)
{
parameterGuid = encoder.Guid;
parameterValueType = EncoderParameterValueType.ValueTypeRationalRange;
numberOfValues = 1;
int size = Marshal.SizeOf(typeof(Int32));
parameterValue = Marshal.AllocHGlobal(4*size);
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
Marshal.WriteInt32(parameterValue, numerator1);
Marshal.WriteInt32(Add(parameterValue, size), demoninator1);
Marshal.WriteInt32(Add(parameterValue, 2*size), numerator2);
Marshal.WriteInt32(Add(parameterValue, 3*size), demoninator2);
GC.KeepAlive(this);
}
// Consider supporting a 'float' and converting to numerator/denominator
/// <include file='doc\EncoderParameter.uex' path='docs/doc[@for="EncoderParameter.EncoderParameter14"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public EncoderParameter(Encoder encoder,
int[] numerator1, int[] denominator1,
int[] numerator2, int[] denominator2)
{
parameterGuid = encoder.Guid;
if (numerator1.Length != denominator1.Length ||
numerator1.Length != denominator2.Length ||
denominator1.Length != denominator2.Length)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.InvalidParameter);
parameterValueType = EncoderParameterValueType.ValueTypeRationalRange;
numberOfValues = numerator1.Length;
int size = Marshal.SizeOf(typeof(Int32));
parameterValue = Marshal.AllocHGlobal(checked(numberOfValues*4*size));
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
for (int i=0; i<numberOfValues; i++)
{
Marshal.WriteInt32(Add(parameterValue, 4*i*size), numerator1[i]);
Marshal.WriteInt32(Add(parameterValue, (4*i+1)*size), denominator1[i]);
Marshal.WriteInt32(Add(parameterValue, (4*i+2)*size), numerator2[i]);
Marshal.WriteInt32(Add(parameterValue, (4*i+3)*size), denominator2[i]);
}
GC.KeepAlive(this);
}
/// <include file='doc\EncoderParameter.uex' path='docs/doc[@for="EncoderParameter.EncoderParameter9"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public EncoderParameter(Encoder encoder, byte[] value, bool undefined)
{
parameterGuid = encoder.Guid;
if (undefined == true)
parameterValueType = EncoderParameterValueType.ValueTypeUndefined;
else
parameterValueType = EncoderParameterValueType.ValueTypeByte;
numberOfValues = value.Length;
parameterValue = Marshal.AllocHGlobal(numberOfValues);
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
Marshal.Copy(value, 0, parameterValue, numberOfValues);
GC.KeepAlive(this);
}
// Consider supporting a 'float' and converting to numerator/denominator
/// <include file='doc\EncoderParameter.uex' path='docs/doc[@for="EncoderParameter.EncoderParameter12"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public EncoderParameter(Encoder encoder, int[] numerator, int[] denominator)
{
parameterGuid = encoder.Guid;
if (numerator.Length != denominator.Length)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.InvalidParameter);
parameterValueType = EncoderParameterValueType.ValueTypeRational;
numberOfValues = numerator.Length;
int size = Marshal.SizeOf(typeof(Int32));
parameterValue = Marshal.AllocHGlobal(checked(numberOfValues*2*size));
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
for (int i=0; i<numberOfValues; i++)
{
Marshal.WriteInt32(Add(i*2*size, parameterValue), (int)numerator[i]);
Marshal.WriteInt32(Add((i*2+1)*size, parameterValue), (int)denominator[i]);
}
GC.KeepAlive(this);
}
/// <include file='doc\EncoderParameter.uex' path='docs/doc[@for="EncoderParameter.EncoderParameter10"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public EncoderParameter(Encoder encoder, short[] value)
{
parameterGuid = encoder.Guid;
parameterValueType = EncoderParameterValueType.ValueTypeShort;
numberOfValues = value.Length;
int size = Marshal.SizeOf(typeof(short));
parameterValue = Marshal.AllocHGlobal(checked(numberOfValues*size));
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
Marshal.Copy(value, 0, parameterValue, numberOfValues);
GC.KeepAlive(this);
}
public EncoderParameter(Encoder encoder, short value)
{
this.encoder = encoder.Guid;
this.numberOfValues = 1;
this.type = EncoderParameterValueType.ValueTypeShort;
this.value = value;
}
public EncoderParameter(Encoder encoder, int[] numerator1,
int[] denominator1, int[] numerator2,
int[] denominator2)
{
this.encoder = encoder.Guid;
this.numberOfValues = numerator1.Length;
this.type = EncoderParameterValueType.ValueTypeRationalRange;
this.value = new Tuple(numerator1, denominator1,
numerator2, denominator2);
}
public EncoderParameter(Encoder encoder, String value)
{
this.encoder = encoder.Guid;
this.numberOfValues = value.Length + 1;
this.type = EncoderParameterValueType.ValueTypeAscii;
this.value = value;
}
/// <include file='doc\EncoderParameter.uex' path='docs/doc[@for="EncoderParameter.EncoderParameter11"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public unsafe EncoderParameter(Encoder encoder, long[] value)
{
parameterGuid = encoder.Guid;
parameterValueType = EncoderParameterValueType.ValueTypeLong;
numberOfValues = value.Length;
int size = Marshal.SizeOf(typeof(Int32));
parameterValue = Marshal.AllocHGlobal(checked(numberOfValues*size));
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
int* dest = (int*)parameterValue;
fixed (long* source = value) {
for (int i=0; i<value.Length; i++) {
dest[i] = unchecked((int)source[i]);
}
}
GC.KeepAlive(this);
}
public EncoderParameter(Encoder encoder, long value)
{
this.encoder = encoder;
this.valuesCount = 1;
this.type = EncoderParameterValueType.ValueTypeLong;
this.valuePtr = Marshal.AllocHGlobal(4);
Marshal.WriteInt32(this.valuePtr, (int)value);
}
/// <include file='doc\EncoderParameter.uex' path='docs/doc[@for="EncoderParameter.EncoderParameter7"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public EncoderParameter(Encoder encoder, string value)
{
parameterGuid = encoder.Guid;
parameterValueType = EncoderParameterValueType.ValueTypeAscii;
numberOfValues = value.Length;
parameterValue = Marshal.StringToHGlobalAnsi(value);
GC.KeepAlive(this);
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
}
public EncoderParameter(Encoder encoder, long value)
{
this.encoder = encoder.Guid;
this.numberOfValues = 1;
this.type = EncoderParameterValueType.ValueTypeLong;
this.value = value;
}
// Consider supporting a 'float' and converting to numerator/denominator
/// <include file='doc\EncoderParameter.uex' path='docs/doc[@for="EncoderParameter.EncoderParameter13"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public EncoderParameter(Encoder encoder, long[] rangebegin, long[] rangeend)
{
parameterGuid = encoder.Guid;
if (rangebegin.Length != rangeend.Length)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.InvalidParameter);
parameterValueType = EncoderParameterValueType.ValueTypeLongRange;
numberOfValues = rangebegin.Length;
int size = Marshal.SizeOf(typeof(Int32));
parameterValue = Marshal.AllocHGlobal(checked(numberOfValues*2*size));
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
for (int i=0; i<numberOfValues; i++)
{
Marshal.WriteInt32(Add(i*2*size, parameterValue), unchecked((int)rangebegin[i]));
Marshal.WriteInt32(Add((i*2+1)*size, parameterValue), unchecked((int)rangeend[i]));
}
GC.KeepAlive(this);
}
public EncoderParameter(Encoder encoder, long[] rangebegin,
long[] rangeend)
{
this.encoder = encoder.Guid;
this.numberOfValues = rangebegin.Length;
this.type = EncoderParameterValueType.ValueTypeLongRange;
this.value = new Tuple(rangebegin, rangeend);
}
public EncoderParameter(Encoder encoder, int NumberOfValues,
int Type, int Value)
{
this.encoder = encoder.Guid;
this.numberOfValues = NumberOfValues;
this.type = (EncoderParameterValueType)Type;
this.value = Value;
}
public EncoderParameter(Encoder encoder, int numerator1, int denominator1, int numerator2, int denominator2)
{
this.encoder = encoder;
this.valuesCount = 1;
this.type = EncoderParameterValueType.ValueTypeRationalRange;
this.valuePtr = Marshal.AllocHGlobal(4 * 4);
int[] valuearray = { numerator1, denominator1, numerator2, denominator2 };
Marshal.Copy(valuearray, 0, this.valuePtr, 4);
}
public EncoderParameter(Encoder encoder, int numerator, int denominator)
{
this.encoder = encoder.Guid;
this.numberOfValues = 1;
this.type = EncoderParameterValueType.ValueTypeRational;
this.value = new Tuple(numerator, denominator);
}
public EncoderParameter(Encoder encoder, long[] rangebegin, long[] rangeend)
{
if (rangebegin.Length != rangeend.Length)
throw new ArgumentException("Invalid parameter used.");
this.encoder = encoder;
this.valuesCount = rangebegin.Length;
this.type = EncoderParameterValueType.ValueTypeLongRange;
this.valuePtr = Marshal.AllocHGlobal(4 * valuesCount * 2);
IntPtr dest = this.valuePtr;
for (int i = 0; i < valuesCount; i++)
{
Marshal.WriteInt32(dest, i * 4, (int)rangebegin[i]);
Marshal.WriteInt32(dest, (i + 1) * 4, (int)rangeend[i]);
}
}
public EncoderParameter(Encoder encoder, int[] numerator1, int[] denominator1, int[] numerator2, int[] denominator2)
{
if (numerator1.Length != denominator1.Length ||
numerator2.Length != denominator2.Length ||
numerator1.Length != numerator2.Length)
throw new ArgumentException("Invalid parameter used.");
this.encoder = encoder;
this.valuesCount = numerator1.Length;
this.type = EncoderParameterValueType.ValueTypeRationalRange;
this.valuePtr = Marshal.AllocHGlobal(4 * valuesCount * 4);
IntPtr dest = this.valuePtr;
for (int i = 0; i < valuesCount; i++)
{
Marshal.WriteInt32(dest, i * 4, numerator1[i]);
Marshal.WriteInt32(dest, (i + 1) * 4, denominator1[i]);
Marshal.WriteInt32(dest, (i + 2) * 4, numerator2[i]);
Marshal.WriteInt32(dest, (i + 3) * 4, denominator2[i]);
}
}
public EncoderParameter(Encoder encoder, long rangebegin, long rangeend)
{
this.encoder = encoder;
this.valuesCount = 1;
this.type = EncoderParameterValueType.ValueTypeLongRange;
this.valuePtr = Marshal.AllocHGlobal(8);
int[] valuearray = { (int)rangebegin, (int)rangeend };
Marshal.Copy(valuearray, 0, this.valuePtr, valuearray.Length);
}
public EncoderParameter(Encoder encoder, int numberOfValues, int type, int value)
{
this.encoder = encoder;
this.valuePtr = (IntPtr)value;
this.valuesCount = numberOfValues;
this.type = (EncoderParameterValueType)type;
}
