6663b6c9
 adorian
projet complet av...
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#include "box_view.h"
#include "box_controller.h"
#include <assert.h>
#include <cmath>
using namespace Shared;
namespace Statistics {
BoxView::BoxView(Store * store, int series, Shared::BannerView * bannerView, Quantile * selectedQuantile, KDColor color, KDColor lightColor) :
CurveView(&m_boxRange, nullptr, bannerView, nullptr),
m_store(store),
m_boxRange(BoxRange(store)),
m_series(series),
m_selectedQuantile(selectedQuantile),
m_selectedHistogramColor(color),
m_selectedHistogramLightColor(lightColor)
{
}
bool BoxView::selectQuantile(int selectedQuantile) {
if (selectedQuantile < 0 || selectedQuantile > 4) {
return false;
}
if ((int)*m_selectedQuantile != selectedQuantile) {
reloadQuantile();
*m_selectedQuantile = (Quantile)selectedQuantile;
reloadQuantile();
}
return true;
}
void BoxView::reloadQuantile() {
CurveView::reload();
KDCoordinate minY = boxLowerBoundPixel();
KDCoordinate maxY = boxUpperBoundPixel();
CalculPointer calculationMethods[5] = {&Store::minValue, &Store::firstQuartile, &Store::median, &Store::thirdQuartile, &Store::maxValue};
double calculation = (m_store->*calculationMethods[(int)*m_selectedQuantile])(m_series);
KDCoordinate minX = std::round(floatToPixel(Axis::Horizontal, calculation));
KDRect dirtyRect = KDRect(minX, minY, k_quantileBarWidth, maxY - minY);
markRectAsDirty(dirtyRect);
}
void BoxView::reload() {
CurveView::reload();
KDCoordinate minY = boxLowerBoundPixel();
KDCoordinate maxY = boxUpperBoundPixel();
KDCoordinate minX = std::round(floatToPixel(Axis::Horizontal, m_store->minValue(m_series)));
KDCoordinate maxX = std::round(floatToPixel(Axis::Horizontal, m_store->maxValue(m_series)));
KDRect dirtyRect = KDRect(minX, minY, maxX - minX + k_quantileBarWidth, maxY - minY);
markRectAsDirty(dirtyRect);
}
void BoxView::drawRect(KDContext * ctx, KDRect rect) const {
ctx->fillRect(rect, KDColorWhite);
KDCoordinate lowBoundPixel = boxLowerBoundPixel();
KDCoordinate upBoundPixel = boxUpperBoundPixel();
float lowBound = pixelToFloat(Axis::Vertical, upBoundPixel);
float upBound = pixelToFloat(Axis::Vertical, lowBoundPixel);
double minVal = m_store->minValue(m_series);
double firstQuart = m_store->firstQuartile(m_series);
double thirdQuart = m_store->thirdQuartile(m_series);
double maxVal = m_store->maxValue(m_series);
KDColor boxColor = isMainViewSelected() ? m_selectedHistogramLightColor : Palette::GreyWhite;
// Draw the main box
KDCoordinate firstQuartilePixels = std::round(floatToPixel(Axis::Horizontal, firstQuart));
KDCoordinate thirdQuartilePixels = std::round(floatToPixel(Axis::Horizontal, thirdQuart));
ctx->fillRect(KDRect(firstQuartilePixels, lowBoundPixel, thirdQuartilePixels - firstQuartilePixels+2,
upBoundPixel-lowBoundPixel), boxColor);
// Draw the horizontal lines linking the box to the extreme bounds
KDColor horizontalColor = isMainViewSelected() ? m_selectedHistogramColor : Palette::GreyDark;
float segmentOrd = (lowBound + upBound)/ 2.0f;
drawSegment(ctx, rect, Axis::Horizontal, segmentOrd, minVal, firstQuart, horizontalColor);
drawSegment(ctx, rect, Axis::Horizontal, segmentOrd, thirdQuart, maxVal, horizontalColor);
double calculations[5] = {minVal, firstQuart, m_store->median(m_series), thirdQuart, maxVal};
/* We then draw all the vertical lines of the box and then recolor the
* the selected quantile (if there is one). As two quantiles can have the same
* value, we cannot choose line colors and then color only once the vertical
* lines. This solution could hide the highlighted line by coloring the next
* quantile if it has the same value. */
for (int k = 0; k < 5; k++) {
drawSegment(ctx, rect, Axis::Vertical, calculations[k], lowBound, upBound, Palette::GreyMiddle, k_quantileBarWidth);
}
if (isMainViewSelected()) {
drawSegment(ctx, rect, Axis::Vertical, calculations[(int)*m_selectedQuantile], lowBound, upBound, Palette::YellowDark, k_quantileBarWidth);
}
}
KDCoordinate BoxView::boxLowerBoundPixel() const {
return bounds().height() / 2 - k_boxHeight / 2;
}
KDCoordinate BoxView::boxUpperBoundPixel() const {
return bounds().height() / 2 + k_boxHeight / 2;
}
}
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