Files
Upsilon/apps/statistics/box_view.cpp
Émilie Feral 6e9528103b [apps] Factorize banner view implementation.
Change-Id: Iedc4350d2bed0f1b1c597c2492e028293f58d5f2
2017-01-09 15:08:56 +01:00

67 lines
2.5 KiB
C++

#include "box_view.h"
#include <assert.h>
#include <math.h>
namespace Statistics {
BoxView::BoxView(Store * store, BannerView * bannerView) :
CurveViewWithBanner(&m_boxWindow, bannerView, 0.0f, 0.2f, 0.4f, 0.2f),
m_store(store),
m_boxWindow(BoxWindow(store)),
m_selectedQuantile(0)
{
}
void BoxView::reloadSelection() {
float calculations[5] = {m_store->minValue(), m_store->firstQuartile(), m_store->median(), m_store->thirdQuartile(), m_store->maxValue()};
float pixelUpperBound = floatToPixel(Axis::Vertical, 0.2f)+1;
float pixelLowerBound = floatToPixel(Axis::Vertical, 0.8)-1;
float selectedValueInPixels = floatToPixel(Axis::Horizontal, calculations[m_selectedQuantile]);
KDRect dirtyZone(KDRect(selectedValueInPixels-1, pixelLowerBound, 2, pixelUpperBound - pixelLowerBound));
markRectAsDirty(dirtyZone);
}
int BoxView::selectedQuantile() {
return m_selectedQuantile;
}
bool BoxView::selectQuantile(int selectedQuantile) {
if (selectedQuantile < 0 || selectedQuantile > 4) {
return false;
}
if (m_selectedQuantile != selectedQuantile) {
reloadSelection();
m_selectedQuantile = selectedQuantile;
reloadSelection();
}
return true;
}
void BoxView::drawRect(KDContext * ctx, KDRect rect) const {
ctx->fillRect(rect, KDColorWhite);
drawAxes(ctx, rect, Axis::Horizontal);
drawLabels(ctx, rect, Axis::Horizontal, false);
float calculations[5] = {m_store->minValue(), m_store->firstQuartile(), m_store->median(), m_store->thirdQuartile(), m_store->maxValue()};
float lowBounds[5] = {0.4f, 0.2f, 0.2f, 0.2f, 0.4f};
float upBounds[5] = {0.6f, 0.8f, 0.8f, 0.8f, 0.6f};
for (int k = 0; k < 5; k++) {
drawSegment(ctx, rect, Axis::Vertical, calculations[k], lowBounds[k], upBounds[k], KDColorBlack);
}
if (m_mainViewSelected) {
drawSegment(ctx, rect, Axis::Vertical, calculations[m_selectedQuantile], lowBounds[m_selectedQuantile], upBounds[m_selectedQuantile], KDColorRed);
}
drawSegment(ctx, rect, Axis::Horizontal, 0.5f, m_store->minValue(), m_store->firstQuartile(), KDColorBlack);
drawSegment(ctx, rect, Axis::Horizontal, 0.5f, m_store->thirdQuartile(), m_store->maxValue(), KDColorBlack);
drawSegment(ctx, rect, Axis::Horizontal, 0.2f, m_store->firstQuartile(), m_store->thirdQuartile(), KDColorBlack);
drawSegment(ctx, rect, Axis::Horizontal, 0.8f, m_store->firstQuartile(), m_store->thirdQuartile(), KDColorBlack);
}
char * BoxView::label(Axis axis, int index) const {
if (axis == Axis::Vertical) {
return nullptr;
}
return (char *)m_labels[index];
}
}