public void Save(string filename, ImageCodecInfo encoder, EncoderParameters encoderParams)
{
if (filename == null)
{
throw new ArgumentNullException("filename");
}
if (encoder == null)
{
throw new ArgumentNullException("encoder");
}
IntPtr encoderParamsMemory = IntPtr.Zero;
if (encoderParams != null)
{
_rawData = null;
encoderParamsMemory = encoderParams.ConvertToMemory();
}
int status = SafeNativeMethods.Gdip.Ok;
try
{
Guid g = encoder.Clsid;
bool saved = false;
if (_rawData != null)
{
ImageCodecInfo rawEncoder = RawFormat.FindEncoder();
if (rawEncoder != null && rawEncoder.Clsid == g)
{
using (FileStream fs = File.OpenWrite(filename))
{
fs.Write(_rawData, 0, _rawData.Length);
saved = true;
}
}
}
if (!saved)
{
status = SafeNativeMethods.Gdip.GdipSaveImageToFile(new HandleRef(this, nativeImage),
filename,
ref g,
new HandleRef(encoderParams, encoderParamsMemory));
}
}
finally
{
if (encoderParamsMemory != IntPtr.Zero)
{
Marshal.FreeHGlobal(encoderParamsMemory);
}
}
if (status != SafeNativeMethods.Gdip.Ok)
{
throw SafeNativeMethods.Gdip.StatusException(status);
}
}
/// <summary>
/// Saves this <see cref='Image'/> to the specified file in the specified format and with the specified encoder parameters.
/// </summary>
public void Save(string filename, ImageCodecInfo encoder, EncoderParameters encoderParams)
{
if (filename == null)
{
throw new ArgumentNullException(nameof(filename));
}
if (encoder == null)
{
throw new ArgumentNullException(nameof(encoder));
}
if (!Directory.Exists(Path.GetDirectoryName(filename)))
{
throw new DirectoryNotFoundException(SR.Format(SR.IO_PathNotFound_Path, filename));
}
IntPtr encoderParamsMemory = IntPtr.Zero;
if (encoderParams != null)
{
_rawData = null;
encoderParamsMemory = encoderParams.ConvertToMemory();
}
try
{
Guid g = encoder.Clsid;
bool saved = false;
if (_rawData != null)
{
ImageCodecInfo rawEncoder = RawFormat.FindEncoder();
if (rawEncoder != null && rawEncoder.Clsid == g)
{
using (FileStream fs = File.OpenWrite(filename))
{
fs.Write(_rawData, 0, _rawData.Length);
saved = true;
}
}
}
if (!saved)
{
Gdip.CheckStatus(Gdip.GdipSaveImageToFile(
new HandleRef(this, nativeImage),
filename,
ref g,
new HandleRef(encoderParams, encoderParamsMemory)));
}
}
finally
{
if (encoderParamsMemory != IntPtr.Zero)
{
Marshal.FreeHGlobal(encoderParamsMemory);
}
}
}
/// <summary>
/// Saves this <see cref='Image'/> to the specified stream in the specified format.
/// </summary>
public void Save(Stream stream, ImageCodecInfo encoder, EncoderParameters?encoderParams)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
if (encoder == null)
{
throw new ArgumentNullException(nameof(encoder));
}
IntPtr encoderParamsMemory = IntPtr.Zero;
if (encoderParams != null)
{
_rawData = null;
encoderParamsMemory = encoderParams.ConvertToMemory();
}
try
{
Guid g = encoder.Clsid;
bool saved = false;
if (_rawData != null)
{
ImageCodecInfo?rawEncoder = RawFormat.FindEncoder();
if (rawEncoder != null && rawEncoder.Clsid == g)
{
stream.Write(_rawData, 0, _rawData.Length);
saved = true;
}
}
if (!saved)
{
using DrawingCom.IStreamWrapper streamWrapper = DrawingCom.GetComWrapper(new GPStream(stream, makeSeekable: false));
unsafe
{
Gdip.CheckStatus(Gdip.GdipSaveImageToStream(
new HandleRef(this, nativeImage),
streamWrapper.Ptr,
&g,
new HandleRef(encoderParams, encoderParamsMemory)));
}
}
}
finally
{
if (encoderParamsMemory != IntPtr.Zero)
{
Marshal.FreeHGlobal(encoderParamsMemory);
}
}
}
/// <include file='doc\Image.uex' path='docs/doc[@for="Image.Save4"]/*' />
/// <devdoc>
/// <para>
/// Saves this <see cref='System.Drawing.Image'/> to the specified stream in the specified
/// format.
/// </para>
/// </devdoc>
public void Save(Stream stream, ImageCodecInfo encoder, EncoderParameters encoderParams)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (encoder == null)
{
throw new ArgumentNullException("encoder");
}
IntPtr encoderParamsMemory = IntPtr.Zero;
if (encoderParams != null)
{
rawData = null;
encoderParamsMemory = encoderParams.ConvertToMemory();
}
int status = SafeNativeMethods.Ok;
try {
Guid g = encoder.Clsid;
bool saved = false;
if (rawData != null)
{
ImageCodecInfo rawEncoder = RawFormat.FindEncoder();
if (rawEncoder.Clsid == g)
{
stream.Write(rawData, 0, rawData.Length);
saved = true;
}
}
if (!saved)
{
status = SafeNativeMethods.GdipSaveImageToStream(new HandleRef(this, nativeImage),
new UnsafeNativeMethods.ComStreamFromDataStream(stream),
ref g,
new HandleRef(encoderParams, encoderParamsMemory));
}
}
finally {
if (encoderParamsMemory != IntPtr.Zero)
{
Marshal.FreeHGlobal(encoderParamsMemory);
}
}
if (status != SafeNativeMethods.Ok)
{
throw SafeNativeMethods.StatusException(status);
}
}
