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8104caea50
Initial zoom for displaying curves is computed according to the
following rules :
- For polar and parametric curves, the algorithm has not changed.
Vertical and horizontal ranges are chosen in order to display the
full curve with orthonormal graduations.
- For cartesian curves, the horizontal range is chosen in order to
display all points of interest (roots, extrema, asymptotes...).
The vertical range is fitted to be able to display those points, but
also cuts out points outside of the function's order of magnitude.
Change-Id: Idf8233fc2e6586b85d34c4da152c83e75513d85c
47 lines
2.2 KiB
C++
47 lines
2.2 KiB
C++
#ifndef SEQUENCE_GRAPH_CONTROLLER_H
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#define SEQUENCE_GRAPH_CONTROLLER_H
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#include "graph_view.h"
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#include "../../shared/xy_banner_view.h"
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#include "curve_parameter_controller.h"
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#include "curve_view_range.h"
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#include "term_sum_controller.h"
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#include "../../shared/function_graph_controller.h"
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#include "../../shared/cursor_view.h"
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#include "../sequence_store.h"
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namespace Sequence {
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class GraphController final : public Shared::FunctionGraphController {
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public:
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GraphController(Responder * parentResponder, ::InputEventHandlerDelegate * inputEventHandlerDelegate, SequenceStore * sequenceStore, CurveViewRange * graphRange, Shared::CurveViewCursor * cursor, int * indexFunctionSelectedByCursor, uint32_t * modelVersion, uint32_t * previousModelsVersions, uint32_t * rangeVersion, Poincare::Preferences::AngleUnit * angleUnitVersion, ButtonRowController * header);
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I18n::Message emptyMessage() override;
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void viewWillAppear() override;
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TermSumController * termSumController() { return &m_termSumController; }
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// InteractiveCurveViewRangeDelegate
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float interestingXMin() const override;
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float interestingXHalfRange() const override;
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bool textFieldDidFinishEditing(TextField * textField, const char * text, Ion::Events::Event event) override;
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private:
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Shared::XYBannerView * bannerView() override { return &m_bannerView; }
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bool handleEnter() override;
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bool moveCursorHorizontally(int direction, int scrollSpeed = 1) override;
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double defaultCursorT(Ion::Storage::Record record) override;
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InteractiveCurveViewRangeDelegate::Range computeYRange(Shared::InteractiveCurveViewRange * interactiveCurveViewRange) override;
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CurveViewRange * interactiveCurveViewRange() override { return m_graphRange; }
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SequenceStore * functionStore() const override { return static_cast<SequenceStore *>(Shared::FunctionGraphController::functionStore()); }
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GraphView * functionGraphView() override { return &m_view; }
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CurveParameterController * curveParameterController() override { return &m_curveParameterController; }
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Shared::CursorView m_cursorView;
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Shared::XYBannerView m_bannerView;
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GraphView m_view;
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CurveViewRange * m_graphRange;
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CurveParameterController m_curveParameterController;
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TermSumController m_termSumController;
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};
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}
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#endif
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