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31 lines
937 B
C++
31 lines
937 B
C++
#include "curve_view_range.h"
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#include <cmath>
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#include <ion.h>
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#include <poincare/preferences.h>
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#include <algorithm>
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using namespace Shared;
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using namespace Poincare;
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namespace Sequence {
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CurveViewRange::CurveViewRange(InteractiveCurveViewRangeDelegate * delegate) :
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InteractiveCurveViewRange(delegate)
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{
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MemoizedCurveViewRange::protectedSetXMin(-k_displayLeftMarginRatio * xMax(), k_lowerMaxFloat, k_upperMaxFloat);
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}
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void CurveViewRange::normalize(bool forceChangeY) {
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Shared::InteractiveCurveViewRange::normalize(forceChangeY);
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/* The X axis is not supposed to go into the negatives, save for a small
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* margin. However, after normalizing, it could be the case. We thus shift
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* the X range rightward to the origin. */
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float interestingXMin = m_delegate->interestingXMin();
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float xRange = xMax() - xMin();
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m_xRange.setMin(interestingXMin - k_displayLeftMarginRatio * xRange);
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setXMax(xMin() + xRange);
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}
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}
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