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[graph] Force same grid unit on orthonormal graphs

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Change-Id: I2abca9eb1c4a14057323ee97e1044715f89620ff
This commit is contained in:
Gabriel Ozouf
2020-10-06 11:57:45 +02:00
committed by Émilie Feral
parent 7322751453
commit 26754a3230
3 changed files with 22 additions and 1 deletions
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16
apps/shared/interactive_curve_view_range.cpp
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@@ -33,6 +33,22 @@ void InteractiveCurveViewRange::setYMax(float yMax) {
MemoizedCurveViewRange::protectedSetYMax(yMax, k_lowerMaxFloat, k_upperMaxFloat);
}
float InteractiveCurveViewRange::yGridUnit() const {
float res = MemoizedCurveViewRange::yGridUnit();
if (m_zoomNormalize) {
/* When m_zoomNormalize is active, both xGridUnit and yGridUnit will be the
* same. To declutter the X axis, we try a unit twice as large. We check
* that it allows enough graduations on the Y axis, but if the standard
* unit would lead to too many graduations on the X axis, we force the
* larger unit anyways. */
float numberOfUnits = (yMax() - yMin()) / res;
if (numberOfUnits > k_maxNumberOfXGridUnits || numberOfUnits / 2.f > k_minNumberOfYGridUnits) {
return 2 * res;
}
}
return res;
}
void InteractiveCurveViewRange::zoom(float ratio, float x, float y) {
float xMi = xMin();
float xMa = xMax();