/// <summary>
/// Extracts the image data from the Image.
/// @throws DocumentException If an error occurs accessing the image content
/// </summary>
/// <param name="image">The image for which to extract the content</param>
/// <returns>The raw image data, not formated</returns>
private byte[][] getImageData(Image image)
{
int wmfPlaceableHeaderSize = 22;
RtfByteArrayBuffer bab = new RtfByteArrayBuffer();
try
{
if (_imageType == Image.ORIGINAL_BMP)
{
bab.Append(MetaDo.WrapBmp(image));
}
else
{
byte[] iod = image.OriginalData;
if (iod == null)
{
Stream imageIn = image.Url.GetResponseStream();
if (_imageType == Image.ORIGINAL_WMF)
{ //remove the placeable header first
for (int k = 0; k < wmfPlaceableHeaderSize; k++)
{
if (imageIn.ReadByte() < 0)
{
throw (new IOException("while removing wmf placeable header"));
}
}
}
bab.Write(imageIn);
imageIn.Dispose();
}
else
{
if (_imageType == Image.ORIGINAL_WMF)
{
//remove the placeable header
bab.Write(iod, wmfPlaceableHeaderSize, iod.Length - wmfPlaceableHeaderSize);
}
else
{
bab.Append(iod);
}
}
}
return(bab.ToArrayArray());
}
catch (IOException ioe)
{
throw new DocumentException(ioe.Message);
}
}
/**
* Extracts the image data from the Image.
*
* @param image The image for which to extract the content
* @return The raw image data, not formated
* @throws DocumentException If an error occurs accessing the image content
*/
private byte[][] GetImageData(Image image)
{
int WMF_PLACEABLE_HEADER_SIZE = 22;
RtfByteArrayBuffer bab = new RtfByteArrayBuffer();
try {
if (imageType == Image.ORIGINAL_BMP)
{
bab.Append(MetaDo.WrapBMP(image));
}
else
{
byte[] iod = image.OriginalData;
if (iod == null)
{
Stream imageIn = WebRequest.Create(image.Url).GetResponse().GetResponseStream();
if (imageType == Image.ORIGINAL_WMF) //remove the placeable header first
{
for (int k = 0; k < WMF_PLACEABLE_HEADER_SIZE; k++)
{
if (imageIn.ReadByte() < 0)
{
throw (new IOException("while removing wmf placeable header"));
}
}
}
bab.Write(imageIn);
imageIn.Close();
}
else
{
if (imageType == Image.ORIGINAL_WMF)
{
//remove the placeable header
bab.Write(iod, WMF_PLACEABLE_HEADER_SIZE, iod.Length - WMF_PLACEABLE_HEADER_SIZE);
}
else
{
bab.Append(iod);
}
}
}
return(bab.ToArrayArray());
} catch (IOException ioe) {
throw new DocumentException(ioe.Message);
}
}
