/// <summary>
/// Generates the visualization that we will return as the result object, based on
/// the currents state of the controls.
/// </summary>
/// <returns>New Visualization or VisWireframeAnimation object.</returns>
private Visualization PrepResultVis()
{
VisualizationItem item = (VisualizationItem)visComboBox.SelectedItem;
Debug.Assert(item != null);
// Generate parameter dictionary. Save a reference to it for next time.
bool isWireframe = (item.VisDescriptor.VisualizationType == VisDescr.VisType.Wireframe);
ReadOnlyDictionary <string, object> valueDict = CreateVisGenParams(isWireframe);
sLastParams = valueDict;
string trimTag = Visualization.TrimAndValidateTag(TagString, out bool isTagValid);
Debug.Assert(isTagValid);
Visualization vis;
if (isWireframe && IsWireframeAnimated)
{
vis = new VisWireframeAnimation(trimTag, item.VisDescriptor.Ident, valueDict,
mOrigVis, mWireObj);
}
else
{
vis = new Visualization(trimTag, item.VisDescriptor.Ident, valueDict, mOrigVis);
}
// Set the thumbnail image.
if (isWireframe)
{
Debug.Assert(mWireObj != null);
vis.CachedImage = Visualization.GenerateWireframeImage(mWireObj,
Visualization.THUMBNAIL_DIM, valueDict);
}
else
{
Debug.Assert(mThumbnail != null);
vis.CachedImage = mThumbnail;
}
return(vis);
}
private void SaveButton_Click(object sender, RoutedEventArgs e)
{
SaveFileDialog fileDlg = new SaveFileDialog()
{
Filter = Res.Strings.FILE_FILTER_GIF + "|" + Res.Strings.FILE_FILTER_ALL,
FilterIndex = 1,
ValidateNames = true,
AddExtension = true,
FileName = mFileNameBase + ".gif"
};
if (fileDlg.ShowDialog() != true)
{
return;
}
string pathName = Path.GetFullPath(fileDlg.FileName);
Debug.WriteLine("Save path: " + pathName);
try {
OutputSize item = (OutputSize)sizeComboBox.SelectedItem;
if (mVis is VisWireframeAnimation)
{
Debug.Assert(item.Width == item.Height);
AnimatedGifEncoder encoder = new AnimatedGifEncoder();
((VisWireframeAnimation)mVis).EncodeGif(encoder, item.Width);
using (FileStream stream = new FileStream(pathName, FileMode.Create)) {
encoder.Save(stream, out int dispWidth, out int dispHeight);
}
}
else
{
BitmapSource outImage;
if (IsBitmap)
{
int scale = item.Width / (int)mVis.CachedImage.Width;
Debug.Assert(scale >= 1);
if (scale == 1)
{
outImage = mVis.CachedImage;
}
else
{
outImage = mVis.CachedImage.CreateScaledCopy(scale);
}
}
else
{
Debug.Assert(item.Width == item.Height);
outImage = Visualization.GenerateWireframeImage(mWireObj,
item.Width, mVis.VisGenParams);
}
GifBitmapEncoder encoder = new GifBitmapEncoder();
encoder.Frames.Add(BitmapFrame.Create(outImage));
using (FileStream stream = new FileStream(pathName, FileMode.Create)) {
encoder.Save(stream);
}
}
} catch (Exception ex) {
// Error handling is a little sloppy, but this shouldn't fail often.
MessageBox.Show(ex.Message, Res.Strings.ERR_FILE_GENERIC_CAPTION,
MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
// After successful save, close dialog box.
DialogResult = true;
}