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[apps/*/curve_view] Use drawCartesianCurve specifically for drawing Cartesian curves

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This commit is contained in:
Ruben Dashyan
2019-08-20 14:00:01 +02:00
committed by Léa Saviot
parent 7d689e22e4
commit fbee2d81e4
5 changed files with 10 additions and 5 deletions
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4
apps/graph/graph/graph_view.cpp
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@@ -28,7 +28,7 @@ void GraphView::drawRect(KDContext * ctx, KDRect rect) const {
ExpiringPointer<CartesianFunction> f = m_functionStore->modelForRecord(record);;
/* Draw function */
drawCurve(ctx, rect, [](float t, void * model, void * context) {
drawCartesianCurve(ctx, rect, [](float t, void * model, void * context) {
CartesianFunction * f = (CartesianFunction *)model;
Poincare::Context * c = (Poincare::Context *)context;
return f->evaluateAtAbscissa(t, c);
@@ -39,7 +39,7 @@ void GraphView::drawRect(KDContext * ctx, KDRect rect) const {
float tangentParameter[2];
tangentParameter[0] = f->approximateDerivative(m_curveViewCursor->x(), context());
tangentParameter[1] = -tangentParameter[0]*m_curveViewCursor->x()+f->evaluateAtAbscissa(m_curveViewCursor->x(), context());
drawCurve(ctx, rect, [](float t, void * model, void * context) {
drawCartesianCurve(ctx, rect, [](float t, void * model, void * context) {
float * tangent = (float *)model;
return tangent[0]*t+tangent[1];
}, tangentParameter, nullptr, Palette::GreyVeryDark);