void MainWindow::draw_points(const int activeDistributionNumber, QGraphicsScene * scene)
{
if (distributions.isEmpty())
return;
if (!distributions[activeDistribution[activeDistributionNumber]].selection.RowNo())
return;
QPen pen;
pen.setWidth(2);
for (size_t i = 0; i < distributions[activeDistribution[activeDistributionNumber]].selection.RowNo(); ++i)
{
//wrong recognized points draw in red color
if (ui.checkBoxRecognized->isChecked() &&
(distributions[activeDistribution[activeDistributionNumber]].selectionVectorsInfo[i].recognizedDistribution !=
distributions[activeDistribution[activeDistributionNumber]].selectionVectorsInfo[i].trueDistribution))
pen.setColor(QColor(255, 0, 0, 255));
else
pen.setColor(actualColors[activeDistributionNumber]);
scene->addLine(plot_x(distributions[activeDistribution[activeDistributionNumber]].selection(i, activeComponent[0])),
plot_y(distributions[activeDistribution[activeDistributionNumber]].selection(i, activeComponent[1])),
plot_x(distributions[activeDistribution[activeDistributionNumber]].selection(i, activeComponent[0])),
plot_y(distributions[activeDistribution[activeDistributionNumber]].selection(i, activeComponent[1])),
pen);
}
}
void MainWindow::draw_ellipse(QPainterPath &path, double p)
{
double width = boundingRect.right() - boundingRect.left();
width /= 100.0;
double left = boundingRect.left();
bool first = true;
for (int i = 0; i <= 100; ++i)
{
double currentX = left + static_cast<double>(i)*width;
double currentY = calculate_y1(currentX, p);
if (first)
{
if (!(isnan(currentY) || isinf(currentY)))
{
path.moveTo(plot_x(currentX), plot_y(currentY));
first = false;
}
}
else
if (!(isnan(currentY) || isinf(currentY)))
path.lineTo(plot_x(currentX), plot_y(currentY));
}
for (int i = 100; i >= 0; --i)
{
double currentX = left + static_cast<double>(i)*width;
double currentY = calculate_y2(currentX, p);
if (!(isnan(currentY) || isinf(currentY)))
path.lineTo(plot_x(currentX), plot_y(currentY));
}
path.connectPath(path);
}
void MainWindow::draw_axises(QGraphicsScene * scene)
{
QPen pen;
pen.setColor(QColor(10, 155, 10, 255));
pen.setWidth(1);
scene->addLine(plot_x(-1.0), plot_y(0.0), plot_x(1.0), plot_y(0.0), pen);
scene->addLine(plot_x(0.0), plot_y(-1.0), plot_x(0.0), plot_y(1.0), pen);
}
void MainWindow::draw_middle_point(const int activeDistributionNumber, QGraphicsScene * scene)
{
QPen pen;
pen.setColor(QColor(10, 155, 10, 255));
pen.setWidth(2);
scene->addLine(plot_x(distributions[activeDistribution[activeDistributionNumber]].info.middle(0, activeComponent[0])),
plot_y(distributions[activeDistribution[activeDistributionNumber]].info.middle(0, activeComponent[1])),
plot_x(distributions[activeDistribution[activeDistributionNumber]].info.middle(0, activeComponent[0])),
plot_y(distributions[activeDistribution[activeDistributionNumber]].info.middle(0, activeComponent[1])), pen);
}
void MainWindow::draw_ellipse(const int activeDistributionNumber, QPainterPath &path, double p)
{
const int STEP_OF_GRID = 300;
QRectF boundingRect(distributions[activeDistribution[activeDistributionNumber]].calculate_bounding_box(activeComponent[0], activeComponent[1]));
double width = boundingRect.width();
width /= static_cast<double>(STEP_OF_GRID);
double left = boundingRect.left();
bool first = true;
for (int i = 0; i <= STEP_OF_GRID; ++i)
{
double currentX = left + static_cast<double>(i)*width;
double currentY = distributions[activeDistribution[activeDistributionNumber]].calculate_y1(activeComponent[0], activeComponent[1], r[activeDistributionNumber], currentX, p);
if (unlikely(first))
{
if (!(isnan(currentY) || isinf(currentY)))
{
path.moveTo(plot_x(currentX), plot_y(currentY));
first = false;
}
}
else
if (!(isnan(currentY) || isinf(currentY)))
path.lineTo(plot_x(currentX), plot_y(currentY));
}
for (int i = STEP_OF_GRID; --i; )
{
double currentX = left + static_cast<double>(i)*width;
double currentY = distributions[activeDistribution[activeDistributionNumber]].calculate_y2(activeComponent[0], activeComponent[1], r[activeDistributionNumber], currentX, p);
if (!(isnan(currentY) || isinf(currentY)))
path.lineTo(plot_x(currentX), plot_y(currentY));
}
path.connectPath(path);
}
int main() {
int i;
gen_sinus_table(LEN, 0.5, 0.005, 0, buffer_first);
gen_sinus_table(LEN, 0.5, 0.05, 0, buffer_second);
for (i = 0; i < LEN; i++) {
buffer[i] = buffer_first[i] + buffer_second[i];
}
plot_file((double *)buffer, LEN, sizeof(Int16), "test.pcm");
plot_y((double *)buffer, LEN, sizeof(Int16));
//plot_fft_y((double *)buffer, LEN, sizeof(Int16));
return 0;
}
void MainWindow::draw()
{
if (scene)
{
delete scene;
scene = NULL;
}
int vec1 = ui.component1->value() - 1;
int vec2 = ui.component2->value() - 1;
calculate_bounding_rect(vec1, vec2);
shiftX = 0.0;
shiftY = 0.0;
QPen pen;
// scene = new QGraphicsScene(boundingRect, this);
scene = new QGraphicsScene(this);
//draw axies lines
pen.setColor(QColor(0, 0, 0, 255));
pen.setWidth(1);
scene->addLine(plot_x(0.0), plot_y(0.0), plot_x(1.0), plot_y(0.0), pen);
scene->addLine(plot_x(0.0), plot_y(0.0), plot_x(0.0), plot_y(1.0), pen);
//draw all points
if (ui.checkBoxSelection->isChecked())
{
pen.setColor(QColor(255, 0, 0, 255));
pen.setWidth(2);
for (int i = 0; i < selectionSize; ++i)
scene->addLine(plot_x(x[i][vec1]), plot_y(x[i][vec2]), plot_x(x[i][vec1]), plot_y(x[i][vec2]), pen);
}
//draw middle point
if (ui.checkBoxMiddle->isChecked())
{
pen.setColor(QColor(0, 0, 255, 255));
pen.setWidth(3);
scene->addLine(plot_x(middleX), plot_y(middleY), plot_x(middleX), plot_y(middleY), pen);
}
//draw isolines
if (ui.checkBoxIsolines->isChecked())
{
pen.setColor(QColor(0, 0, 255, 255));
pen.setWidth(1);
QPainterPath path1;
QPainterPath path2;
QPainterPath path3;
draw_ellipse(path1, 0.3);
draw_ellipse(path2, 0.6);
draw_ellipse(path3, 0.9);
scene->addPath(path1, pen);
scene->addPath(path2, pen);
scene->addPath(path3, pen);
}
scene->setBackgroundBrush(QBrush(QColor(0, 255, 0, 255)));
ui.graphicsView->setScene(scene);
ui.graphicsView->show();
}
