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move graph data store to graphical item helper

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It is required by custom graphs. X-AW-Count parameter (which is only
    recognized by Graph item type) has been introduced
This commit is contained in:
Evgenii Alekseev
2016-03-14 12:04:38 +03:00
parent 7f665fef77
commit 52b1255d3f
6 changed files with 114 additions and 32 deletions
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32
sources/awesomewidgets/graphicalitemhelper.cpp
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@ -42,15 +42,17 @@ GraphicalItemHelper::~GraphicalItemHelper()
void GraphicalItemHelper::setParameters(const QColor active,
const QColor inactive, const int width,
const int height)
const int height, const int count)
{
qCDebug(LOG_LIB) << "Use active color" << active << ", inactive" << inactive
<< ", width" << width << ", height" << height;
<< ", width" << width << ", height" << height << ", count"
<< count;
m_activeColor = active;
m_inactiveColor = inactive;
m_width = width;
m_height = height;
m_count = count;
}
@ -77,24 +79,25 @@ void GraphicalItemHelper::paintCircle(const float &percent)
}
void GraphicalItemHelper::paintGraph(const QList<float> &value)
void GraphicalItemHelper::paintGraph(const float &value)
{
qCDebug(LOG_LIB) << "Paint with value" << value;
storeValue(value);
QPen pen;
pen.setColor(m_activeColor);
// default norms
float normX
= static_cast<float>(m_width) / static_cast<float>(value.count());
float normY = static_cast<float>(m_height) / (1.5f * 100.0f);
= static_cast<float>(m_width) / static_cast<float>(m_values.count());
float normY = static_cast<float>(m_height) / 1.5f;
// paint graph
for (int i = 0; i < value.count() - 1; i++) {
for (int i = 0; i < m_values.count() - 1; i++) {
// some magic here
float x1 = i * normX;
float y1 = -fabs(value.at(i)) * normY + 5.0f;
float y1 = -fabs(m_values.at(i)) * normY + 5.0f;
float x2 = (i + 1) * normX;
float y2 = -fabs(value.at(i + 1)) * normY + 5.0f;
float y2 = -fabs(m_values.at(i + 1)) * normY + 5.0f;
m_scene->addLine(x1, y1, x2, y2, pen);
}
}
@ -173,3 +176,16 @@ QColor GraphicalItemHelper::stringToColor(const QString &color)
return qColor;
}
void GraphicalItemHelper::storeValue(const float &value)
{
qCDebug(LOG_LIB) << "Save value to array" << value;
if (m_values.count() == 0)
m_values.append(0.0);
else if (m_values.count() > m_count)
m_values.removeFirst();
m_values.append(value);
}