/// <summary>
/// Place the surface as Format17 bitmap on the clipboard
/// </summary>
/// <param name="clipboardAccessToken">IClipboardAccessToken</param>
/// <param name="surface">ISurface</param>
public static void SetAsFormat17(this IClipboardAccessToken clipboardAccessToken, ISurface surface)
{
// Create the stream for the clipboard
using (var dibV5Stream = new MemoryStream())
{
var outputSettings = new SurfaceOutputSettings(OutputFormats.bmp, 100, false);
bool dispose = ImageOutput.CreateBitmapFromSurface(surface, outputSettings, out var bitmapToSave);
// Create the BITMAPINFOHEADER
var header = BitmapInfoHeader.Create(bitmapToSave.Width, bitmapToSave.Height, 32);
// Make sure we have BI_BITFIELDS, this seems to be normal for Format17?
header.Compression = BitmapCompressionMethods.BI_BITFIELDS;
var headerBytes = BinaryStructHelper.ToByteArray(header);
// Write the BITMAPINFOHEADER to the stream
dibV5Stream.Write(headerBytes, 0, headerBytes.Length);
// As we have specified BI_COMPRESSION.BI_BITFIELDS, the BitfieldColorMask needs to be added
var colorMask = BitfieldColorMask.Create();
// Create the byte[] from the struct
var colorMaskBytes = BinaryStructHelper.ToByteArray(colorMask);
Array.Reverse(colorMaskBytes);
// Write to the stream
dibV5Stream.Write(colorMaskBytes, 0, colorMaskBytes.Length);
// Create the raw bytes for the pixels only
var bitmapBytes = BitmapToByteArray(bitmapToSave);
// Write to the stream
dibV5Stream.Write(bitmapBytes, 0, bitmapBytes.Length);
// Reset the stream to the beginning so it can be written
dibV5Stream.Seek(0, SeekOrigin.Begin);
// Set the DIBv5 to the clipboard DataObject
clipboardAccessToken.SetAsStream("Format17", dibV5Stream);
if (dispose)
{
bitmapToSave.Dispose();
}
}
}
public static void SetClipboardData(ISurface surface)
{
DataObject dataObject = new DataObject();
// This will work for Office and most other applications
//ido.SetData(DataFormats.Bitmap, true, image);
MemoryStream dibStream = null;
MemoryStream dibV5Stream = null;
MemoryStream pngStream = null;
Image imageToSave = null;
bool disposeImage = false;
try
{
SurfaceOutputSettings outputSettings = new SurfaceOutputSettings(OutputFormat.png, 100, false);
// Create the image which is going to be saved so we don't create it multiple times
disposeImage = ImageOutput.CreateImageFromSurface(surface, outputSettings, out imageToSave);
try
{
// Create PNG stream
if (config.ClipboardFormats.Contains(ClipboardFormat.PNG))
{
pngStream = new MemoryStream();
// PNG works for e.g. Powerpoint
SurfaceOutputSettings pngOutputSettings = new SurfaceOutputSettings(OutputFormat.png, 100, false);
ImageOutput.SaveToStream(imageToSave, null, pngStream, pngOutputSettings);
pngStream.Seek(0, SeekOrigin.Begin);
// Set the PNG stream
dataObject.SetData(FORMAT_PNG, false, pngStream);
}
}
catch (Exception pngEX)
{
LOG.Error("Error creating PNG for the Clipboard.", pngEX);
}
try
{
if (config.ClipboardFormats.Contains(ClipboardFormat.DIB))
{
using (MemoryStream tmpBmpStream = new MemoryStream())
{
// Save image as BMP
SurfaceOutputSettings bmpOutputSettings = new SurfaceOutputSettings(OutputFormat.bmp, 100, false);
ImageOutput.SaveToStream(imageToSave, null, tmpBmpStream, bmpOutputSettings);
dibStream = new MemoryStream();
// Copy the source, but skip the "BITMAPFILEHEADER" which has a size of 14
dibStream.Write(tmpBmpStream.GetBuffer(), BITMAPFILEHEADER_LENGTH, (int)tmpBmpStream.Length - BITMAPFILEHEADER_LENGTH);
}
// Set the DIB to the clipboard DataObject
dataObject.SetData(DataFormats.Dib, true, dibStream);
}
}
catch (Exception dibEx)
{
LOG.Error("Error creating DIB for the Clipboard.", dibEx);
}
// CF_DibV5
try
{
if (config.ClipboardFormats.Contains(ClipboardFormat.DIBV5))
{
// Create the stream for the clipboard
dibV5Stream = new MemoryStream();
// Create the BITMAPINFOHEADER
BITMAPINFOHEADER header = new BITMAPINFOHEADER(imageToSave.Width, imageToSave.Height, 32);
// Make sure we have BI_BITFIELDS, this seems to be normal for Format17?
header.biCompression = BI_COMPRESSION.BI_BITFIELDS;
// Create a byte[] to write
byte[] headerBytes = BinaryStructHelper.ToByteArray <BITMAPINFOHEADER>(header);
// Write the BITMAPINFOHEADER to the stream
dibV5Stream.Write(headerBytes, 0, headerBytes.Length);
// As we have specified BI_COMPRESSION.BI_BITFIELDS, the BitfieldColorMask needs to be added
BitfieldColorMask colorMask = new BitfieldColorMask();
// Make sure the values are set
colorMask.InitValues();
// Create the byte[] from the struct
byte[] colorMaskBytes = BinaryStructHelper.ToByteArray <BitfieldColorMask>(colorMask);
Array.Reverse(colorMaskBytes);
// Write to the stream
dibV5Stream.Write(colorMaskBytes, 0, colorMaskBytes.Length);
// Create the raw bytes for the pixels only
byte[] bitmapBytes = BitmapToByteArray((Bitmap)imageToSave);
// Write to the stream
dibV5Stream.Write(bitmapBytes, 0, bitmapBytes.Length);
// Set the DIBv5 to the clipboard DataObject
dataObject.SetData(FORMAT_17, true, dibV5Stream);
}
}
catch (Exception dibEx)
{
LOG.Error("Error creating DIB for the Clipboard.", dibEx);
}
// Set the HTML
if (config.ClipboardFormats.Contains(ClipboardFormat.HTML))
{
string tmpFile = ImageOutput.SaveToTmpFile(surface, new SurfaceOutputSettings(OutputFormat.png, 100, false), null);
string html = getHTMLString(surface, tmpFile);
dataObject.SetText(html, TextDataFormat.Html);
}
else if (config.ClipboardFormats.Contains(ClipboardFormat.HTMLDATAURL))
{
string html;
using (MemoryStream tmpPNGStream = new MemoryStream())
{
SurfaceOutputSettings pngOutputSettings = new SurfaceOutputSettings(OutputFormat.png, 100, false);
// Do not allow to reduce the colors, some applications dislike 256 color images
// reported with bug #3594681
pngOutputSettings.DisableReduceColors = true;
// Check if we can use the previously used image
if (imageToSave.PixelFormat != PixelFormat.Format8bppIndexed)
{
ImageOutput.SaveToStream(imageToSave, surface, tmpPNGStream, pngOutputSettings);
}
else
{
ImageOutput.SaveToStream(surface, tmpPNGStream, pngOutputSettings);
}
html = getHTMLDataURLString(surface, tmpPNGStream);
}
dataObject.SetText(html, TextDataFormat.Html);
}
}
finally
{
// we need to use the SetDataOject before the streams are closed otherwise the buffer will be gone!
// Check if Bitmap is wanted
if (config.ClipboardFormats.Contains(ClipboardFormat.BITMAP))
{
dataObject.SetImage(imageToSave);
// Place the DataObject to the clipboard
SetDataObject(dataObject, true);
}
else
{
// Place the DataObject to the clipboard
SetDataObject(dataObject, true);
}
if (pngStream != null)
{
pngStream.Dispose();
pngStream = null;
}
if (dibStream != null)
{
dibStream.Dispose();
dibStream = null;
}
if (dibV5Stream != null)
{
dibV5Stream.Dispose();
dibV5Stream = null;
}
// cleanup if needed
if (disposeImage && imageToSave != null)
{
imageToSave.Dispose();
}
}
}
