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[poincare] PrintFloat: take into account the distinction between char

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and glyph length in ConvertFloatToText
This commit is contained in:
Émilie Feral
2019-09-25 17:31:30 +02:00
committed by LeaNumworks
parent d6ad694b76
commit 4d593a6149
37 changed files with 153 additions and 124 deletions
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6
apps/graph/graph/tangent_graph_controller.cpp
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@@ -67,7 +67,7 @@ void TangentGraphController::reloadBannerView() {
}
FunctionBannerDelegate::reloadBannerViewForCursorOnFunction(m_cursor, m_record, Shared::FunctionApp::app()->functionStore(), AppsContainer::sharedAppsContainer()->globalContext());
GraphControllerHelper::reloadDerivativeInBannerViewForCursorOnFunction(m_cursor, m_record);
constexpr size_t bufferSize = FunctionBannerDelegate::k_maxNumberOfCharacters + PrintFloat::bufferSizeForFloatsWithPrecision(Preferences::LargeNumberOfSignificantDigits);
constexpr size_t bufferSize = FunctionBannerDelegate::k_maxNumberOfCharacters + PrintFloat::charSizeForFloatsWithPrecision(Preferences::LargeNumberOfSignificantDigits);
char buffer[bufferSize];
Poincare::Context * context = textFieldDelegateApp()->localContext();
@@ -76,7 +76,7 @@ void TangentGraphController::reloadBannerView() {
int legendLength = strlcpy(buffer, legend, bufferSize);
ExpiringPointer<ContinuousFunction> function = App::app()->functionStore()->modelForRecord(m_record);
double y = function->approximateDerivative(m_cursor->x(), context);
PoincareHelpers::ConvertFloatToText<double>(y, buffer + legendLength, PrintFloat::bufferSizeForFloatsWithPrecision(precision), precision);
PoincareHelpers::ConvertFloatToText<double>(y, buffer + legendLength, bufferSize - legendLength, precision);
m_bannerView->aView()->setText(buffer);
legend = "b=";
@@ -84,7 +84,7 @@ void TangentGraphController::reloadBannerView() {
Shared::TextFieldDelegateApp * myApp = textFieldDelegateApp();
assert(function->plotType() == Shared::ContinuousFunction::PlotType::Cartesian);
y = -y*m_cursor->x()+function->evaluate2DAtParameter(m_cursor->x(), myApp->localContext()).x2();
PoincareHelpers::ConvertFloatToText<double>(y, buffer + legendLength, PrintFloat::bufferSizeForFloatsWithPrecision(precision), precision);
PoincareHelpers::ConvertFloatToText<double>(y, buffer + legendLength, bufferSize - legendLength, precision);
m_bannerView->bView()->setText(buffer);
m_bannerView->reload();
}