Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / CommonUI / System / Drawing / Advanced / EncoderParameter.cs / 1 / EncoderParameter.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Drawing.Imaging {
using System;
using System.Text;
using System.Diagnostics;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Drawing.Internal;
///
/// [To be supplied.]
///
[StructLayout(LayoutKind.Sequential)]
public sealed class EncoderParameter : IDisposable {
[MarshalAs(UnmanagedType.Struct)]
Guid parameterGuid; // GUID of the parameter
int numberOfValues; // Number of the parameter values
int parameterValueType; // Value type, like ValueTypeLONG etc.
IntPtr parameterValue; // A pointer to the parameter values
///
/// Gets/Sets the Encoder for the EncoderPameter.
///
public Encoder Encoder {
get {
return new Encoder(parameterGuid);
}
set {
parameterGuid = value.Guid;
}
}
///
/// Gets the EncoderParameterValueType object from the EncoderParameter.
///
public EncoderParameterValueType Type {
get {
return (EncoderParameterValueType)parameterValueType;
}
}
///
/// Gets the EncoderParameterValueType object from the EncoderParameter.
///
public EncoderParameterValueType ValueType {
get {
return (EncoderParameterValueType)parameterValueType;
}
}
///
/// Gets the NumberOfValues from the EncoderParameter.
///
public int NumberOfValues {
get {
return numberOfValues;
}
}
///
/// [To be supplied.]
///
public void Dispose() {
Dispose(true);
GC.KeepAlive(this);
GC.SuppressFinalize(this);
}
void Dispose(bool disposing) {
if (parameterValue != IntPtr.Zero)
Marshal.FreeHGlobal(parameterValue);
parameterValue = IntPtr.Zero;
}
///
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder, byte value)
{
parameterGuid = encoder.Guid;
parameterValueType = (int)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);
}
///
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder, byte value, bool undefined)
{
parameterGuid = encoder.Guid;
if (undefined == true)
parameterValueType = (int)EncoderParameterValueType.ValueTypeUndefined;
else
parameterValueType = (int)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);
}
///
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder, short value)
{
parameterGuid = encoder.Guid;
parameterValueType = (int)EncoderParameterValueType.ValueTypeShort;
numberOfValues = 1;
parameterValue = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(Int16)));
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
Marshal.WriteInt16(parameterValue, value);
GC.KeepAlive(this);
}
///
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder, long value)
{
parameterGuid = encoder.Guid;
parameterValueType = (int)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, (int)value);
GC.KeepAlive(this);
}
// Consider supporting a 'float' and converting to numerator/denominator
///
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder, int numerator, int demoninator)
{
parameterGuid = encoder.Guid;
parameterValueType = (int)EncoderParameterValueType.ValueTypeRational;
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, numerator);
Marshal.WriteInt32(Add(parameterValue, size), demoninator);
GC.KeepAlive(this);
}
// Consider supporting a 'float' and converting to numerator/denominator
///
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder, long rangebegin, long rangeend)
{
parameterGuid = encoder.Guid;
parameterValueType = (int)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, (int)rangebegin);
Marshal.WriteInt32(Add(parameterValue, size), (int)rangeend);
GC.KeepAlive(this);
}
// Consider supporting a 'float' and converting to numerator/denominator
///
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder,
int numerator1, int demoninator1,
int numerator2, int demoninator2)
{
parameterGuid = encoder.Guid;
parameterValueType = (int)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);
}
///
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder, string value)
{
parameterGuid = encoder.Guid;
parameterValueType = (int)EncoderParameterValueType.ValueTypeAscii;
numberOfValues = value.Length;
parameterValue = Marshal.StringToHGlobalAnsi(value);
GC.KeepAlive(this);
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
}
///
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder, byte[] value)
{
parameterGuid = encoder.Guid;
parameterValueType = (int)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);
}
///
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder, byte[] value, bool undefined)
{
parameterGuid = encoder.Guid;
if (undefined == true)
parameterValueType = (int)EncoderParameterValueType.ValueTypeUndefined;
else
parameterValueType = (int)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);
}
///
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder, short[] value)
{
parameterGuid = encoder.Guid;
parameterValueType = (int)EncoderParameterValueType.ValueTypeShort;
numberOfValues = value.Length;
int size = Marshal.SizeOf(typeof(short));
parameterValue = Marshal.AllocHGlobal(numberOfValues*size);
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
Marshal.Copy(value, 0, parameterValue, numberOfValues);
GC.KeepAlive(this);
}
///
/// [To be supplied.]
///
public unsafe EncoderParameter(Encoder encoder, long[] value)
{
parameterGuid = encoder.Guid;
parameterValueType = (int)EncoderParameterValueType.ValueTypeLong;
numberOfValues = value.Length;
int size = Marshal.SizeOf(typeof(Int32));
parameterValue = Marshal.AllocHGlobal(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
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder, int[] numerator, int[] denominator)
{
parameterGuid = encoder.Guid;
if (numerator.Length != denominator.Length)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.InvalidParameter);
parameterValueType = (int)EncoderParameterValueType.ValueTypeRational;
numberOfValues = numerator.Length;
int size = Marshal.SizeOf(typeof(Int32));
parameterValue = Marshal.AllocHGlobal(numberOfValues*2*size);
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
for (int i=0; i
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder, long[] rangebegin, long[] rangeend)
{
parameterGuid = encoder.Guid;
if (rangebegin.Length != rangeend.Length)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.InvalidParameter);
parameterValueType = (int)EncoderParameterValueType.ValueTypeLongRange;
numberOfValues = rangebegin.Length;
int size = Marshal.SizeOf(typeof(Int32));
parameterValue = Marshal.AllocHGlobal(numberOfValues*2*size);
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
for (int i=0; i
/// [To be supplied.]
///
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 = (int)EncoderParameterValueType.ValueTypeRationalRange;
numberOfValues = numerator1.Length;
int size = Marshal.SizeOf(typeof(Int32));
parameterValue = Marshal.AllocHGlobal(numberOfValues*4*size);
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
for (int i=0; i
/// [To be supplied.]
///
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly")]
public EncoderParameter(Encoder encoder, int NumberOfValues, int Type, int Value)
{
int size;
switch((EncoderParameterValueType)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 = size*NumberOfValues;
parameterValue = Marshal.AllocHGlobal(bytes);
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
for (int i=0; i
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Drawing.Imaging {
using System;
using System.Text;
using System.Diagnostics;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Drawing.Internal;
///
/// [To be supplied.]
///
[StructLayout(LayoutKind.Sequential)]
public sealed class EncoderParameter : IDisposable {
[MarshalAs(UnmanagedType.Struct)]
Guid parameterGuid; // GUID of the parameter
int numberOfValues; // Number of the parameter values
int parameterValueType; // Value type, like ValueTypeLONG etc.
IntPtr parameterValue; // A pointer to the parameter values
///
/// Gets/Sets the Encoder for the EncoderPameter.
///
public Encoder Encoder {
get {
return new Encoder(parameterGuid);
}
set {
parameterGuid = value.Guid;
}
}
///
/// Gets the EncoderParameterValueType object from the EncoderParameter.
///
public EncoderParameterValueType Type {
get {
return (EncoderParameterValueType)parameterValueType;
}
}
///
/// Gets the EncoderParameterValueType object from the EncoderParameter.
///
public EncoderParameterValueType ValueType {
get {
return (EncoderParameterValueType)parameterValueType;
}
}
///
/// Gets the NumberOfValues from the EncoderParameter.
///
public int NumberOfValues {
get {
return numberOfValues;
}
}
///
/// [To be supplied.]
///
public void Dispose() {
Dispose(true);
GC.KeepAlive(this);
GC.SuppressFinalize(this);
}
void Dispose(bool disposing) {
if (parameterValue != IntPtr.Zero)
Marshal.FreeHGlobal(parameterValue);
parameterValue = IntPtr.Zero;
}
///
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder, byte value)
{
parameterGuid = encoder.Guid;
parameterValueType = (int)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);
}
///
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder, byte value, bool undefined)
{
parameterGuid = encoder.Guid;
if (undefined == true)
parameterValueType = (int)EncoderParameterValueType.ValueTypeUndefined;
else
parameterValueType = (int)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);
}
///
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder, short value)
{
parameterGuid = encoder.Guid;
parameterValueType = (int)EncoderParameterValueType.ValueTypeShort;
numberOfValues = 1;
parameterValue = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(Int16)));
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
Marshal.WriteInt16(parameterValue, value);
GC.KeepAlive(this);
}
///
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder, long value)
{
parameterGuid = encoder.Guid;
parameterValueType = (int)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, (int)value);
GC.KeepAlive(this);
}
// Consider supporting a 'float' and converting to numerator/denominator
///
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder, int numerator, int demoninator)
{
parameterGuid = encoder.Guid;
parameterValueType = (int)EncoderParameterValueType.ValueTypeRational;
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, numerator);
Marshal.WriteInt32(Add(parameterValue, size), demoninator);
GC.KeepAlive(this);
}
// Consider supporting a 'float' and converting to numerator/denominator
///
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder, long rangebegin, long rangeend)
{
parameterGuid = encoder.Guid;
parameterValueType = (int)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, (int)rangebegin);
Marshal.WriteInt32(Add(parameterValue, size), (int)rangeend);
GC.KeepAlive(this);
}
// Consider supporting a 'float' and converting to numerator/denominator
///
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder,
int numerator1, int demoninator1,
int numerator2, int demoninator2)
{
parameterGuid = encoder.Guid;
parameterValueType = (int)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);
}
///
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder, string value)
{
parameterGuid = encoder.Guid;
parameterValueType = (int)EncoderParameterValueType.ValueTypeAscii;
numberOfValues = value.Length;
parameterValue = Marshal.StringToHGlobalAnsi(value);
GC.KeepAlive(this);
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
}
///
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder, byte[] value)
{
parameterGuid = encoder.Guid;
parameterValueType = (int)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);
}
///
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder, byte[] value, bool undefined)
{
parameterGuid = encoder.Guid;
if (undefined == true)
parameterValueType = (int)EncoderParameterValueType.ValueTypeUndefined;
else
parameterValueType = (int)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);
}
///
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder, short[] value)
{
parameterGuid = encoder.Guid;
parameterValueType = (int)EncoderParameterValueType.ValueTypeShort;
numberOfValues = value.Length;
int size = Marshal.SizeOf(typeof(short));
parameterValue = Marshal.AllocHGlobal(numberOfValues*size);
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
Marshal.Copy(value, 0, parameterValue, numberOfValues);
GC.KeepAlive(this);
}
///
/// [To be supplied.]
///
public unsafe EncoderParameter(Encoder encoder, long[] value)
{
parameterGuid = encoder.Guid;
parameterValueType = (int)EncoderParameterValueType.ValueTypeLong;
numberOfValues = value.Length;
int size = Marshal.SizeOf(typeof(Int32));
parameterValue = Marshal.AllocHGlobal(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
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder, int[] numerator, int[] denominator)
{
parameterGuid = encoder.Guid;
if (numerator.Length != denominator.Length)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.InvalidParameter);
parameterValueType = (int)EncoderParameterValueType.ValueTypeRational;
numberOfValues = numerator.Length;
int size = Marshal.SizeOf(typeof(Int32));
parameterValue = Marshal.AllocHGlobal(numberOfValues*2*size);
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
for (int i=0; i
/// [To be supplied.]
///
public EncoderParameter(Encoder encoder, long[] rangebegin, long[] rangeend)
{
parameterGuid = encoder.Guid;
if (rangebegin.Length != rangeend.Length)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.InvalidParameter);
parameterValueType = (int)EncoderParameterValueType.ValueTypeLongRange;
numberOfValues = rangebegin.Length;
int size = Marshal.SizeOf(typeof(Int32));
parameterValue = Marshal.AllocHGlobal(numberOfValues*2*size);
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
for (int i=0; i
/// [To be supplied.]
///
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 = (int)EncoderParameterValueType.ValueTypeRationalRange;
numberOfValues = numerator1.Length;
int size = Marshal.SizeOf(typeof(Int32));
parameterValue = Marshal.AllocHGlobal(numberOfValues*4*size);
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
for (int i=0; i
/// [To be supplied.]
///
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly")]
public EncoderParameter(Encoder encoder, int NumberOfValues, int Type, int Value)
{
int size;
switch((EncoderParameterValueType)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 = size*NumberOfValues;
parameterValue = Marshal.AllocHGlobal(bytes);
if (parameterValue == IntPtr.Zero)
throw SafeNativeMethods.Gdip.StatusException(SafeNativeMethods.Gdip.OutOfMemory);
for (int i=0; i
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