6663b6c9
 adorian
projet complet av...
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#include "graph_view.h"
#include <cmath>
using namespace Shared;
namespace Sequence {
GraphView::GraphView(SequenceStore * sequenceStore, InteractiveCurveViewRange * graphRange,
CurveViewCursor * cursor, BannerView * bannerView, View * cursorView) :
FunctionGraphView(graphRange, cursor, bannerView, cursorView),
m_sequenceStore(sequenceStore)
{
}
void GraphView::drawRect(KDContext * ctx, KDRect rect) const {
FunctionGraphView::drawRect(ctx, rect);
for (int i = 0; i < m_sequenceStore->numberOfActiveFunctions(); i++) {
Sequence * s = m_sequenceStore->activeFunctionAtIndex(i);
float rectXMin = pixelToFloat(Axis::Horizontal, rect.left() - k_externRectMargin);
rectXMin = rectXMin < 0 ? 0 : rectXMin;
float rectXMax = pixelToFloat(Axis::Horizontal, rect.right() + k_externRectMargin);
/* We draw a dot at every integer if WindowRange/Resolution < 1. Otherwise,
* we draw a dot at every step where step is an integer wider than 1. */
float windowRange = pixelToFloat(Axis::Horizontal, bounds().width()) - pixelToFloat(Axis::Horizontal, 0);
int step = std::ceil(windowRange/resolution());
for (int x = rectXMin; x < rectXMax; x += step) {
float y = s->evaluateAtAbscissa((float)x, context());
if (std::isnan(y)) {
continue;
}
drawDot(ctx, rect, x, y, s->color());
if (x >= m_highlightedStart && x <= m_highlightedEnd && s == m_selectedFunction) {
KDColor color = m_shouldColorHighlighted ? s->color() : KDColorBlack;
if (y >= 0.0f) {
drawSegment(ctx, rect, Axis::Vertical, x, 0.0f, y, color, 1);
} else {
drawSegment(ctx, rect, Axis::Vertical, x, y, 0.0f, color, 1);
}
}
}
}
}
float GraphView::samplingRatio() const {
return 2.0f;
}
}
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