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Added some new methods on the keyframe class, and added some unit tests for the keyframes.

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This commit is contained in:
Jonathan Thomas
2012-10-19 22:11:22 -05:00
parent 33f12a70dd
commit 3740ca0454
4 changed files with 82 additions and 16 deletions
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44
src/KeyFrame.cpp
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@@ -190,6 +190,50 @@ int Keyframe::GetInt(int index)
return 0;
}
// Get the direction of the curve at a specific index (increasing or decreasing)
bool Keyframe::IsIncreasing(int index)
{
// Check if it needs to be processed
if (needs_update)
Process();
// Is index a valid point?
if (index >= 0 && index < Values.size())
// Return value
return int(round(Values[index].increasing));
else if (index < 0 && Values.size() > 0)
// Return the minimum value
return int(round(Values[0].increasing));
else if (index >= Values.size() && Values.size() > 0)
// return the maximum value
return int(round(Values[Values.size() - 1].increasing));
else
// return a blank coordinate (0,0)
return true;
}
// Get the fraction that represents how many times this value is repeated in the curve
Fraction Keyframe::GetRepeatFraction(int index)
{
// Check if it needs to be processed
if (needs_update)
Process();
// Is index a valid point?
if (index >= 0 && index < Values.size())
// Return value
return Values[index].repeated;
else if (index < 0 && Values.size() > 0)
// Return the minimum value
return Values[0].repeated;
else if (index >= Values.size() && Values.size() > 0)
// return the maximum value
return Values[Values.size() - 1].repeated;
else
// return a blank coordinate (0,0)
return Fraction(1,1);
}
// Get a point at a specific index
Point& Keyframe::GetPoint(int index) throw(OutOfBoundsPoint) {
// Is index a valid point?