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67f9f79322
It was a pure virtual method implemented in derived classes Shared::FunctionGraphController, Regression::GraphController. InteractiveCurveViewRange does not need anymore to hold CurveViewCursor * m_cursor.
76 lines
2.8 KiB
C++
76 lines
2.8 KiB
C++
#ifndef SHARED_INTERACTIVE_CURVE_VIEW_RANGE_H
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#define SHARED_INTERACTIVE_CURVE_VIEW_RANGE_H
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#include <stdint.h>
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#include "memoized_curve_view_range.h"
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#include "interactive_curve_view_range_delegate.h"
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#include <ion/display.h>
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#include <float.h>
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namespace Shared {
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class InteractiveCurveViewRange : public MemoizedCurveViewRange {
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public:
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constexpr static float k_minFloat = 1E-4f;
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InteractiveCurveViewRange(InteractiveCurveViewRangeDelegate * delegate = nullptr) :
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MemoizedCurveViewRange(),
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m_yAuto(true),
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m_delegate(delegate)
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{}
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void setDelegate(InteractiveCurveViewRangeDelegate * delegate) { m_delegate = delegate; }
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uint32_t rangeChecksum() override;
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bool yAuto() const { return m_yAuto; }
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void setYAuto(bool yAuto);
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// CurveViewWindow
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void setXMin(float f) override;
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void setXMax(float f) override;
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void setYMin(float f) override;
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void setYMax(float f) override;
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// Window
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void zoom(float ratio, float x, float y);
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void panWithVector(float x, float y);
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virtual void roundAbscissa();
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virtual void normalize();
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virtual void setTrigonometric();
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virtual void setDefault();
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void centerAxisAround(Axis axis, float position);
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void panToMakePointVisible(float x, float y, float topMarginRatio, float rightMarginRatio, float bottomMarginRation, float leftMarginRation);
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protected:
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bool m_yAuto;
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/* In normalized settings, we put each axis so that 1cm = 2 units. For now,
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* the screen has size 43.2mm * 57.6mm.
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* We want:
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* 2*NormalizedXHalfRange -> 57.6mm
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* 2*1 -> 10.0mm
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* So NormalizedXHalfRange = 5.76
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* We want:
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* 2*NormalizedYHalfRange -> 43.2mm * 170/240
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* 2*1 -> 10.0mm
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* So NormalizedYHalfRange = 3.06 */
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constexpr static float NormalizedXHalfRange() { return 5.76f; }
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constexpr static float NormalizedYHalfRange() { return 3.06f; }
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static float clipped(float f, bool isMax);
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InteractiveCurveViewRangeDelegate * m_delegate;
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private:
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constexpr static float k_upperMaxFloat = 1E+8f;
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constexpr static float k_lowerMaxFloat = 9E+7f;
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constexpr static float k_maxRatioPositionRange = 1E5f;
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void notifyRangeChange();
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};
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static_assert(InteractiveCurveViewRange::k_minFloat >= FLT_EPSILON, "InteractiveCurveViewRange's minimal float range is lower than float precision, it might draw uglily curves such as cos(x)^2+sin(x)^2");
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static_assert(Ion::Display::WidthInTenthOfMillimeter == 576, "Use the new screen width to compute Shared::InteractiveCurveViewRange::NormalizedXHalfRange");
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static_assert(Ion::Display::HeightInTenthOfMillimeter == 432, "Use the new screen height to compute Shared::InteractiveCurveViewRange::NormalizedYHalfRange");
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typedef void (InteractiveCurveViewRange::*ParameterSetterPointer)(float);
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typedef float (InteractiveCurveViewRange::*ParameterGetterPointer)();
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typedef void (InteractiveCurveViewRange::*RangeMethodPointer)();
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}
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#endif
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