mirror of
https://github.com/UpsilonNumworks/Upsilon.git
synced 2026-01-19 00:37:25 +01:00
c80baae1e9
The resolution() method is useful to get a horizontal step equivalent to the width of a pixel. A higher sampling ratio (or resolution) had been introduced in the following commit. [apps] In curve view, avoid white vertical lines in integral curves due to pixel rounding
46 lines
1.7 KiB
C++
46 lines
1.7 KiB
C++
#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++) {
|
|
Ion::Storage::Record record = m_sequenceStore->activeRecordAtIndex(i);
|
|
Sequence * s = m_sequenceStore->modelForRecord(record);;
|
|
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 = curveViewRange()->xMax() - curveViewRange()->xMin();
|
|
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 && record == m_selectedRecord) {
|
|
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);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|