本文整理汇总了C#中ISurface.SaveElementsToStream方法的典型用法代码示例。如果您正苦于以下问题：C# ISurface.SaveElementsToStream方法的具体用法？C# ISurface.SaveElementsToStream怎么用？C# ISurface.SaveElementsToStream使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ISurface的用法示例。
在下文中一共展示了ISurface.SaveElementsToStream方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: SaveToStream
//.........这里部分代码省略.........
{
useMemoryStream = true;
LOG.Warn("Using memorystream prevent an issue with saving to a non seekable stream.");
}
}
imageFormat = ImageFormat.Png;
break;
}
LOG.DebugFormat("Saving image to stream with Format {0} and PixelFormat {1}", imageFormat, imageToSave.PixelFormat);
// Check if we want to use a memory stream, to prevent a issue which happens with Windows before "7".
// The save is made to the targetStream, this is directed to either the MemoryStream or the original
Stream targetStream = stream;
if (useMemoryStream)
{
memoryStream = new MemoryStream();
targetStream = memoryStream;
}
if (imageFormat == ImageFormat.Jpeg)
{
bool foundEncoder = false;
foreach (ImageCodecInfo imageCodec in ImageCodecInfo.GetImageEncoders())
{
if (imageCodec.FormatID == imageFormat.Guid)
{
EncoderParameters parameters = new EncoderParameters(1);
parameters.Param[0] = new EncoderParameter(Encoder.Quality, outputSettings.JPGQuality);
// Removing transparency if it's not supported in the output
if (Image.IsAlphaPixelFormat(imageToSave.PixelFormat))
{
Image nonAlphaImage = ImageHelper.Clone(imageToSave, PixelFormat.Format24bppRgb);
AddTag(nonAlphaImage);
nonAlphaImage.Save(targetStream, imageCodec, parameters);
nonAlphaImage.Dispose();
nonAlphaImage = null;
}
else
{
AddTag(imageToSave);
imageToSave.Save(targetStream, imageCodec, parameters);
}
foundEncoder = true;
break;
}
}
if (!foundEncoder)
{
throw new ApplicationException("No JPG encoder found, this should not happen.");
}
}
else
{
// Removing transparency if it's not supported in the output
if (imageFormat != ImageFormat.Png && Image.IsAlphaPixelFormat(imageToSave.PixelFormat))
{
Image nonAlphaImage = ImageHelper.Clone(imageToSave, PixelFormat.Format24bppRgb);
AddTag(nonAlphaImage);
nonAlphaImage.Save(targetStream, imageFormat);
nonAlphaImage.Dispose();
nonAlphaImage = null;
}
else
{
AddTag(imageToSave);
imageToSave.Save(targetStream, imageFormat);
}
}
// If we used a memory stream, we need to stream the memory stream to the original stream.
if (useMemoryStream)
{
memoryStream.WriteTo(stream);
}
// Output the surface elements, size and marker to the stream
if (outputSettings.Format == OutputFormat.greenshot)
{
using (MemoryStream tmpStream = new MemoryStream())
{
long bytesWritten = surface.SaveElementsToStream(tmpStream);
using (BinaryWriter writer = new BinaryWriter(tmpStream))
{
writer.Write(bytesWritten);
Version v = Assembly.GetExecutingAssembly().GetName().Version;
byte[] marker = Encoding.ASCII.GetBytes(String.Format("Greenshot{0:00}.{1:00}", v.Major, v.Minor));
writer.Write(marker);
tmpStream.WriteTo(stream);
}
}
}
}
finally
{
if (memoryStream != null)
{
memoryStream.Dispose();
}
}
}