示例#1
0
void VSTEffectDialog::OnSave(wxCommandEvent & evt)
{
   int i = mProgram->GetCurrentSelection();
   wxString fn;

   // Ask the user for the real name
   fn = FileSelector(_("Save VST Program As:"),
                     FileNames::DataDir(),
                     mProgram->GetValue() + wxT(".xml"),
                     wxT("xml"),
                     wxT("*.xml"),
                     wxFD_SAVE | wxFD_OVERWRITE_PROMPT | wxRESIZE_BORDER,
                     this);

   // User canceled...
   if (fn.IsEmpty()) {
      return;
   }

   XMLFileWriter xmlFile;

   // Create/Open the file
   xmlFile.Open(fn, wxT("wb"));

   xmlFile.StartTag(wxT("vstprogrampersistence"));
   xmlFile.WriteAttr(wxT("version"), wxT("1"));

   i = mEffect->callDispatcher(effGetVendorVersion, 0, 0, NULL, 0.0);
   xmlFile.StartTag(wxT("effect"));
   xmlFile.WriteAttr(wxT("name"), mEffect->GetEffectIdentifier());
   xmlFile.WriteAttr(wxT("version"), i);

   xmlFile.StartTag(wxT("program"));
   xmlFile.WriteAttr(wxT("name"), mProgram->GetValue());

   long clen = 0;
   if (mAEffect->flags & effFlagsProgramChunks) {
      void *chunk = NULL;

      clen = mEffect->callDispatcher(effGetChunk, 1, 0, &chunk, 0.0);
      if (clen != 0) {
         xmlFile.StartTag(wxT("chunk"));
         xmlFile.WriteSubTree(b64encode(chunk, clen) + wxT('\n'));
         xmlFile.EndTag(wxT("chunk"));
      }
   }

   if (clen == 0) {
      for (i = 0; i < mAEffect->numParams; i++) {
         xmlFile.StartTag(wxT("param"));

         xmlFile.WriteAttr(wxT("index"), i);
         xmlFile.WriteAttr(wxT("name"),
                           mEffect->GetString(effGetParamName, i));
         xmlFile.WriteAttr(wxT("value"),
                           wxString::Format(wxT("%f"),
                           mEffect->callGetParameter(i)));

         xmlFile.EndTag(wxT("param"));
      }
   }

   xmlFile.EndTag(wxT("program"));

   xmlFile.EndTag(wxT("effect"));

   xmlFile.EndTag(wxT("vstprogrampersistence"));

   // Close the file
   xmlFile.Close();
}