private void tbEIName_TextChanged(object sender, System.EventArgs e)
{
int cur = lbImages.SelectedIndex;
if (cur < 0)
{
return;
}
EmbeddedImageValues eiv = lbImages.Items[cur] as EmbeddedImageValues;
if (eiv == null)
{
return;
}
if (eiv.Name == tbEIName.Text)
{
return;
}
eiv.Name = tbEIName.Text;
// text doesn't change in listbox; force change by removing and re-adding item
lbImages.BeginUpdate();
lbImages.Items.RemoveAt(cur);
lbImages.Items.Insert(cur, eiv);
lbImages.SelectedIndex = cur;
lbImages.EndUpdate();
}
private void bPaste_Click(object sender, System.EventArgs e)
{
// Make sure we have an image on the clipboard
IDataObject iData = Clipboard.GetDataObject();
if (iData == null || !iData.GetDataPresent(DataFormats.Bitmap))
{
MessageBox.Show(this, "Copy image into clipboard before attempting to paste.", "Image");
return;
}
System.Drawing.Bitmap img = (System.Drawing.Bitmap)iData.GetData(DataFormats.Bitmap);
// convert the image to the png format and create a base 64 string representation
string imagedata = GetBase64Image(img);
img.Dispose();
if (imagedata == null)
{
return;
}
EmbeddedImageValues eiv = new EmbeddedImageValues("embeddedimage");
eiv.MIMEType = "image/png";
eiv.ImageData = imagedata;
int cur = this.lbImages.Items.Add(eiv);
lbImages.SelectedIndex = cur;
this.tbEIName.Focus();
}
private void lbImages_SelectedIndexChanged(object sender, System.EventArgs e)
{
int cur = lbImages.SelectedIndex;
if (cur < 0)
{
return;
}
EmbeddedImageValues eiv = lbImages.Items[cur] as EmbeddedImageValues;
if (eiv == null)
{
return;
}
tbEIName.Text = eiv.Name;
lbMIMEType.Text = eiv.MIMEType;
this.pictureImage.Image = GetImage(eiv.ImageData);
}
private void InitValues()
{
//
// Obtain the existing DataSets info
//
XmlNode rNode = _Draw.GetReportNode();
XmlNode eiNode = _Draw.GetNamedChildNode(rNode, "EmbeddedImages");
if (eiNode == null)
{
return;
}
foreach (XmlNode iNode in eiNode)
{
if (iNode.Name != "EmbeddedImage")
{
continue;
}
XmlAttribute nAttr = iNode.Attributes["Name"];
if (nAttr == null) // shouldn't really happen
{
continue;
}
EmbeddedImageValues eiv = new EmbeddedImageValues(nAttr.Value);
eiv.MIMEType = _Draw.GetElementValue(iNode, "MIMEType", "image/png");
eiv.ImageData = _Draw.GetElementValue(iNode, "ImageData", "");
this.lbImages.Items.Add(eiv);
}
if (lbImages.Items.Count > 0)
{
lbImages.SelectedIndex = 0;
}
else
{
this.bOK.Enabled = false;
}
}
private void bImport_Click(object sender, System.EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = "Bitmap Files (*.bmp)|*.bmp" +
"|JPEG (*.jpg;*.jpeg;*.jpe;*.jfif)|*.jpg;*.jpeg;*.jpe;*.jfif" +
"|GIF (*.gif)|*.gif" +
"|TIFF (*.tif;*.tiff)|*.tif;*.tiff" +
"|PNG (*.png)|*.png" +
"|All Picture Files|*.bmp;*.jpg;*.jpeg;*.jpe;*.jfif;*.gif;*.tif;*.tiff;*.png" +
"|All files (*.*)|*.*";
ofd.FilterIndex = 6;
ofd.CheckFileExists = true;
ofd.Multiselect = true;
try
{
if (ofd.ShowDialog(this) != DialogResult.OK)
{
return;
}
// need to create a new embedded image(s)
int cur = 0;
foreach (string filename in ofd.FileNames)
{
Stream strm = null;
System.Drawing.Image im = null;
string imagedata = null;
try
{
strm = new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.Read);
im = System.Drawing.Image.FromStream(strm);
imagedata = this.GetBase64Image(im);
}
catch (Exception ex)
{
MessageBox.Show(this, ex.Message, "Image");
}
finally
{
if (strm != null)
{
strm.Close();
}
if (im != null)
{
im.Dispose();
}
}
if (imagedata != null)
{
FileInfo fi = new FileInfo(filename);
string fname;
int offset = fi.Name.IndexOf('.');
if (offset >= 0)
{
fname = fi.Name.Substring(0, offset);
}
else
{
fname = fi.Name;
}
if (!ReportNames.IsNameValid(fname))
{
fname = "embeddedimage";
}
// Now check to see if we already have one with that name
int index = 1;
bool bDup = true;
while (bDup)
{
bDup = false;
foreach (EmbeddedImageValues ev in lbImages.Items)
{
if (fname == ev.Name)
{
bDup = true;
break;
}
}
if (bDup)
{ // we have a duplicate name; try adding an index number
fname = Regex.Replace(fname, "[0-9]*", ""); // remove old numbers (side effect removes all numbers)
fname += index.ToString();
index++;
}
}
EmbeddedImageValues eiv = new EmbeddedImageValues(fname);
eiv.MIMEType = "image/png";
eiv.ImageData = imagedata;
cur = this.lbImages.Items.Add(eiv);
}
}
lbImages.SelectedIndex = cur;
}
finally
{
ofd.Dispose();
}
this.tbEIName.Focus();
}