add bars support to gi

same as graphs but also provides solid background under lines
This commit is contained in:
2016-04-16 03:23:28 +03:00
parent d30df9dafc
commit 0e3f83f361
5 changed files with 47 additions and 7 deletions

View File

@ -51,25 +51,25 @@ void GraphicalItemHelper::setParameters(const QString active,
// put images to pens if any otherwise set pen colors
// Images resize to content here as well
if (isColor(active)) {
m_activePen.setColor(stringToColor(active));
m_activePen.setBrush(QBrush(stringToColor(active)));
} else {
qCInfo(LOG_LIB) << "Found path, trying to load Pixmap from" << active;
QPixmap pixmap = QPixmap(active);
if (pixmap.isNull()) {
qCInfo(LOG_LIB) << "Invalid pixmap found" << active;
m_activePen.setColor(QColor(0, 0, 0, 130));
m_activePen.setBrush(QBrush(QColor(0, 0, 0, 130)));
} else {
m_activePen.setBrush(QBrush(pixmap.scaled(width, height)));
}
}
if (isColor(inactive)) {
m_inactivePen.setColor(stringToColor(inactive));
m_inactivePen.setBrush(QBrush(stringToColor(inactive)));
} else {
qCInfo(LOG_LIB) << "Found path, trying to load Pixmap from" << inactive;
QPixmap pixmap = QPixmap(inactive);
if (pixmap.isNull()) {
qCInfo(LOG_LIB) << "Invalid pixmap found" << inactive;
m_inactivePen.setColor(QColor(255, 255, 255, 130));
m_inactivePen.setBrush(QBrush(QColor(255, 255, 255, 130)));
} else {
m_inactivePen.setBrush(QBrush(pixmap.scaled(width, height)));
}
@ -80,6 +80,30 @@ void GraphicalItemHelper::setParameters(const QString active,
}
void GraphicalItemHelper::paintBars(const float &value)
{
qCDebug(LOG_LIB) << "Paint with value" << value;
// refresh background image
m_scene->setBackgroundBrush(m_inactivePen.brush());
storeValue(value);
// default norms
float normX
= static_cast<float>(m_width) / static_cast<float>(m_values.count());
float normY = static_cast<float>(m_height - 1);
// paint graph
for (int i = 0; i < m_values.count(); i++) {
float x = i * normX;
float y = 0.5f;
float width = normX;
float height = m_values.at(i) * normY + 0.5f;
m_scene->addRect(x, y, width, height, m_activePen, m_activePen.brush());
}
}
void GraphicalItemHelper::paintCircle(const float &percent)
{
qCDebug(LOG_LIB) << "Paint with percent" << percent;
@ -120,9 +144,9 @@ void GraphicalItemHelper::paintGraph(const float &value)
for (int i = 0; i < m_values.count() - 1; i++) {
// some magic here
float x1 = i * normX;
float y1 = -fabs(m_values.at(i)) * normY + 0.5f;
float y1 = -m_values.at(i) * normY + 0.5f;
float x2 = (i + 1) * normX;
float y2 = -fabs(m_values.at(i + 1)) * normY + 0.5f;
float y2 = -m_values.at(i + 1) * normY + 0.5f;
m_scene->addLine(x1, y1, x2, y2, m_activePen);
}
}