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rewrite several methods in GI, add support of graphs

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arcan1s
2015-09-20 13:19:28 +03:00
parent 120e201c5b
commit d20db1b888
7 changed files with 157 additions and 55 deletions
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182
sources/awesomewidgets/graphicalitem.cpp
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@ -28,6 +28,8 @@
#include <QGraphicsView>
#include <QSettings>
#include <math.h>
#include "awdebug.h"
#include "version.h"
@ -43,6 +45,8 @@ GraphicalItem::GraphicalItem(QWidget *parent, const QString desktopName,
ui->setupUi(this);
translate();
initScene();
connect(ui->pushButton_activeColor, SIGNAL(clicked()), this, SLOT(changeColor()));
connect(ui->pushButton_inactiveColor, SIGNAL(clicked()), this, SLOT(changeColor()));
}
@ -52,6 +56,7 @@ GraphicalItem::~GraphicalItem()
{
qCDebug(LOG_LIB);
delete m_scene;
delete ui;
}
@ -81,81 +86,45 @@ GraphicalItem *GraphicalItem::copy(const QString _fileName, const int _number)
}
QString GraphicalItem::image(const float value) const
QString GraphicalItem::image(const QVariant value)
{
qCDebug(LOG_LIB);
qCDebug(LOG_LIB) << "Value" << value;
if (m_bar == QString("none")) return QString("");
QColor active = stringToColor(m_activeColor);
QColor inactive = stringToColor(m_inactiveColor);
float percent = value / 100.0;
m_scene->clear();
int scale[2] = { 1, 1 };
QPen pen = QPen();
QGraphicsScene *scene = new QGraphicsScene();
scene->setBackgroundBrush(QBrush(Qt::NoBrush));
QGraphicsView *view = new QGraphicsView(scene);
view->setStyleSheet(QString("background: transparent"));
view->setContentsMargins(0, 0, 0, 0);
view->setFrameShape(QFrame::NoFrame);
view->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
view->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
view->resize(m_width + 5.0, m_height + 5.0);
// paint
switch (m_type) {
case Vertical:
pen.setWidth(m_width);
// inactive
pen.setColor(inactive);
scene->addLine(0.5 * m_width, -0.5 * m_width, 0.5 * m_width,
(1.0 - percent) * m_height - 0.5 * m_width, pen);
// active
pen.setColor(active);
scene->addLine(0.5 * m_width, (1.0 - percent) * m_height + 0.5 * m_width,
0.5 * m_width, m_height + 0.5 * m_width, pen);
paintVertical(value.toFloat());
// scale
scale[1] = -2 * static_cast<int>(m_direction) + 1;
break;
case Circle:
QGraphicsEllipseItem *circle;
pen.setWidth(1.0);
// inactive
pen.setColor(inactive);
circle = scene->addEllipse(0.0, 0.0, m_width, m_height, pen, QBrush(inactive, Qt::SolidPattern));
circle->setSpanAngle(- (1.0 - percent) * 360.0 * 16.0);
circle->setStartAngle(90.0 * 16.0 - percent * 360.0 * 16.0);
// active
pen.setColor(active);
circle = scene->addEllipse(0.0, 0.0, m_width, m_height, pen, QBrush(active, Qt::SolidPattern));
circle->setSpanAngle(- percent * 360.0 * 16.0);
circle->setStartAngle(90.0 * 16.0);
paintCircle(value.toFloat());
// scale
scale[0] = -2 * static_cast<int>(m_direction) + 1;
break;
case Graph:
paintGraph(value.value<QList<float>>());
// direction option is not recognized by this GI type
break;
case Horizontal:
default:
pen.setWidth(m_height);
// inactive
pen.setColor(inactive);
scene->addLine(percent * m_width + 0.5 * m_height, 0.5 * m_height,
m_width + 0.5 * m_height, 0.5 * m_height, pen);
// active
pen.setColor(active);
scene->addLine(-0.5 * m_height, 0.5 * m_height,
percent * m_width - 0.5 * m_height, 0.5 * m_height, pen);
paintHorizontal(value.toFloat());
// scale
scale[0] = -2 * static_cast<int>(m_direction) + 1;
break;
}
// convert
QPixmap pixmap = view->grab().transformed(QTransform().scale(scale[0], scale[1]));
QPixmap pixmap = m_view->grab().transformed(QTransform().scale(scale[0], scale[1]));
QByteArray byteArray;
QBuffer buffer(&byteArray);
pixmap.save(&buffer, "PNG");
QString url = QString("<img src=\"data:image/png;base64,%1\"/>").arg(QString(byteArray.toBase64()));
delete view;
delete scene;
return url;
}
@ -189,7 +158,7 @@ QString GraphicalItem::tag() const
{
qCDebug(LOG_LIB);
return name() + m_bar;
return QString("bar%1%2").arg(number()).arg(m_bar);
}
@ -213,10 +182,14 @@ QString GraphicalItem::strType() const
case Circle:
value = QString("Circle");
break;
case Graph:
value = QString("Graph");
break;
case Horizontal:
default:
value = QString("Horizontal");
break;
}\
}
return value;
}
@ -239,6 +212,7 @@ QString GraphicalItem::strDirection() const
case RightToLeft:
value = QString("RightToLeft");
break;
case LeftToRight:
default:
value = QString("LeftToRight");
break;
@ -321,6 +295,8 @@ void GraphicalItem::setStrType(const QString _type)
setType(Vertical);
else if (_type == QString("Circle"))
setType(Circle);
else if (_type == QString("Graph"))
setType(Graph);
else
setType(Horizontal);
}
@ -486,6 +462,114 @@ void GraphicalItem::changeColor()
}
void GraphicalItem::initScene()
{
qCDebug(LOG_LIB);
// init scene
m_scene = new QGraphicsScene();
if (m_type == Graph)
m_scene->setBackgroundBrush(stringToColor(m_inactiveColor));
else
m_scene->setBackgroundBrush(QBrush(Qt::NoBrush));
// init view
m_view = new QGraphicsView(m_scene);
m_view->setStyleSheet(QString("background: transparent"));
m_view->setContentsMargins(0, 0, 0, 0);
m_view->setFrameShape(QFrame::NoFrame);
m_view->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
m_view->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
m_view->resize(m_width + 5.0, m_height + 5.0);
}
void GraphicalItem::paintCircle(const float value)
{
qCDebug(LOG_LIB);
QPen pen;
pen.setWidth(1.0);
float percent = value / 100.0;
QGraphicsEllipseItem *circle;
QColor inactive = stringToColor(m_inactiveColor);
QColor active = stringToColor(m_activeColor);
// inactive
pen.setColor(inactive);
circle = m_scene->addEllipse(0.0, 0.0, m_width, m_height, pen,
QBrush(inactive, Qt::SolidPattern));
circle->setSpanAngle(- (1.0 - percent) * 360.0 * 16.0);
circle->setStartAngle(90.0 * 16.0 - percent * 360.0 * 16.0);
// active
pen.setColor(active);
circle = m_scene->addEllipse(0.0, 0.0, m_width, m_height, pen,
QBrush(active, Qt::SolidPattern));
circle->setSpanAngle(- percent * 360.0 * 16.0);
circle->setStartAngle(90.0 * 16.0);
}
void GraphicalItem::paintGraph(const QList<float> value)
{
qCDebug(LOG_LIB);
QPen pen;
pen.setColor(stringToColor(m_activeColor));
// default norms
float normX = static_cast<float>(m_width) / static_cast<float>(value.count());
float normY = static_cast<float>(m_height) / (1.5 * 100.0);
// paint graph
for (int i=0; i<value.count()-1; i++) {
// some magic here
float x1 = i * normX;
float y1 = - fabs(value.at(i)) * normY + 5.0;
float x2 = (i + 1) * normX;
float y2 = - fabs(value.at(i+1)) * normY + 5.0;
m_scene->addLine(x1, y1, x2, y2, pen);
}
}
void GraphicalItem::paintHorizontal(const float value)
{
qCDebug(LOG_LIB);
QPen pen;
float percent = value / 100.0;
pen.setWidth(m_height);
// inactive
pen.setColor(stringToColor(m_inactiveColor));
m_scene->addLine(percent * m_width + 0.5 * m_height, 0.5 * m_height,
m_width + 0.5 * m_height, 0.5 * m_height, pen);
// active
pen.setColor(stringToColor(m_activeColor));
m_scene->addLine(-0.5 * m_height, 0.5 * m_height,
percent * m_width - 0.5 * m_height, 0.5 * m_height, pen);
}
void GraphicalItem::paintVertical(const float value)
{
qCDebug(LOG_LIB);
QPen pen;
float percent = value / 100.0;
pen.setWidth(m_width);
// inactive
pen.setColor(stringToColor(m_inactiveColor));
m_scene->addLine(0.5 * m_width, -0.5 * m_width, 0.5 * m_width,
(1.0 - percent) * m_height - 0.5 * m_width, pen);
// active
pen.setColor(stringToColor(m_activeColor));
m_scene->addLine(0.5 * m_width, (1.0 - percent) * m_height + 0.5 * m_width,
0.5 * m_width, m_height + 0.5 * m_width, pen);
}
QColor GraphicalItem::stringToColor(const QString _color) const
{
qCDebug(LOG_LIB);