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[apps/shared][apps/sequence][apps/graph] Speed-up values table scrolling

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by memoizing values cell buffers
This commit is contained in:
Émilie Feral
2019-10-03 14:37:48 +02:00
committed by LeaNumworks
parent 5df8c6de57
commit 164572ca1e
6 changed files with 174 additions and 19 deletions
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8
apps/sequence/values/values_controller.cpp
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@@ -71,10 +71,12 @@ bool ValuesController::setDataAtLocation(double floatBody, int columnIndex, int
return Shared::ValuesController::setDataAtLocation(std::round(floatBody), columnIndex, rowIndex);
}
void ValuesController::printEvaluationOfAbscissaAtColumn(double abscissa, int columnIndex, char * buffer, const int bufferSize) {
Shared::ExpiringPointer<Sequence> sequence = functionStore()->modelForRecord(recordAtColumn(columnIndex));
void ValuesController::fillMemoizedBuffer(int column, int row, int index) {
char * buffer = memoizedBufferAtIndex(index);
double abscissa = intervalAtColumn(column)->element(row-1);
Shared::ExpiringPointer<Sequence> sequence = functionStore()->modelForRecord(recordAtColumn(column));
Coordinate2D<double> xy = sequence->evaluateXYAtParameter(abscissa, textFieldDelegateApp()->localContext());
Shared::PoincareHelpers::ConvertFloatToText<double>(xy.x2(), buffer, bufferSize, Preferences::LargeNumberOfSignificantDigits);
Shared::PoincareHelpers::ConvertFloatToText<double>(xy.x2(), buffer, k_valuesCellBufferSize, Preferences::LargeNumberOfSignificantDigits);
}
Shared::Interval * ValuesController::intervalAtColumn(int columnIndex) {