67 lines
1.7 KiB
C++
67 lines
1.7 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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SelectedRegion.cpp
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Paul Licameli
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*******************************************************************/
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#include "SelectedRegion.h"
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#include "xml/XMLWriter.h"
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const wxChar *SelectedRegion::sDefaultT0Name = wxT("selStart");
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const wxChar *SelectedRegion::sDefaultT1Name = wxT("selEnd");
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namespace {
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const wxChar *sDefaultF0Name = wxT("selLow");
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const wxChar *sDefaultF1Name = wxT("selHigh");
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}
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void SelectedRegion::WriteXMLAttributes
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(XMLWriter &xmlFile,
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const wxChar *legacyT0Name, const wxChar *legacyT1Name) const
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// may throw
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{
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xmlFile.WriteAttr(legacyT0Name, t0(), 10);
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xmlFile.WriteAttr(legacyT1Name, t1(), 10);
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#ifdef EXPERIMENTAL_SPECTRAL_EDITING
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if (f0() >= 0)
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xmlFile.WriteAttr(sDefaultF0Name, f0(), 10);
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if (f1() >= 0)
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xmlFile.WriteAttr(sDefaultF1Name, f1(), 10);
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#endif
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}
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bool SelectedRegion::HandleXMLAttribute
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(const wxChar *attr, const wxChar *value,
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const wxChar *legacyT0Name, const wxChar *legacyT1Name)
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{
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typedef bool (SelectedRegion::*Setter)(double, bool);
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Setter setter = 0;
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if (!wxStrcmp(attr, legacyT0Name))
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setter = &SelectedRegion::setT0;
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else if (!wxStrcmp(attr, legacyT1Name))
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setter = &SelectedRegion::setT1;
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#ifdef EXPERIMENTAL_SPECTRAL_EDITING
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else if (!wxStrcmp(attr, sDefaultF0Name))
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setter = &SelectedRegion::setF0;
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else if (!wxStrcmp(attr, sDefaultF1Name))
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setter = &SelectedRegion::setF1;
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#endif
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else
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return false;
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double dblValue;
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if (!Internat::CompatibleToDouble(value, &dblValue))
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return false;
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// False means don't flip time or frequency boundaries
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(void)(this->*setter)(dblValue, false);
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return true;
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}
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