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[apps/stats] Better margins for histogram label displaying

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This commit is contained in:
Léa Saviot
2018-05-23 16:25:53 +02:00
parent 64fddab928
commit 4f0672ba67
2 changed files with 14 additions and 2 deletions
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14
apps/statistics/histogram_controller.cpp
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@@ -398,8 +398,20 @@ void HistogramController::initYRangeParameters(int series) {
}
yMax = yMax/m_store->sumOfOccurrences(series);
yMax = yMax < 0 ? 1 : yMax;
m_store->setYMin(-Store::k_displayBottomMarginRatio*yMax);
m_store->setYMax(yMax*(1.0f+Store::k_displayTopMarginRatio));
/* Compute YMin:
* ratioFloatPixel*(0-yMin) = k_bottomMargin
* ratioFloatPixel*(yMax-yMin) = viewHeight
*
* -ratioFloatPixel*yMin = k_bottomMargin
* ratioFloatPixel*yMax-ratioFloatPixel*yMin = viewHeight
*
* ratioFloatPixel = (viewHeight - k_bottomMargin)/yMax
* yMin = -k_bottomMargin/ratioFloatPixel = yMax*k_bottomMargin/(k_bottomMargin - viewHeight)
* */
m_store->setYMin(m_store->yMax()*(float)Store::k_bottomMargin/((float)Store::k_bottomMargin - m_view.histogramViewAtIndex(series)->bounds().height()));
}
void HistogramController::initBarParameters() {

2
apps/statistics/store.h
View File

@@ -46,7 +46,7 @@ public:
constexpr static double k_maxNumberOfBars = 10000.0;
constexpr static float k_displayTopMarginRatio = 0.1f;
constexpr static float k_displayRightMarginRatio = 0.04f;
constexpr static float k_displayBottomMarginRatio = 0.4f;
constexpr static int k_bottomMargin = 20;
constexpr static float k_displayLeftMarginRatio = 0.04f;
private: