split gi to helper and core

Also internal data format has been changed

sources/awesomewidgets/graphicalitemhelper.cpp

@@ -0,0 +1,147 @@
+/***************************************************************************
+ *   This file is part of awesome-widgets                                  *
+ *                                                                         *
+ *   awesome-widgets is free software: you can redistribute it and/or      *
+ *   modify it under the terms of the GNU General Public License as        *
+ *   published by the Free Software Foundation, either version 3 of the    *
+ *   License, or (at your option) any later version.                       *
+ *                                                                         *
+ *   awesome-widgets is distributed in the hope that it will be useful,    *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with awesome-widgets. If not, see http://www.gnu.org/licenses/  *
+ ***************************************************************************/
+
+#include "graphicalitemhelper.h"
+
+#include <QGraphicsEllipseItem>
+#include <QGraphicsScene>
+
+#include <math.h>
+
+#include "awdebug.h"
+
+
+void GraphicalItemHelper::paintCircle(const float &percent,
+                                      const QColor &inactive,
+                                      const QColor &active, const int &width,
+                                      const int &height, QGraphicsScene *scene)
+{
+    QPen pen;
+    pen.setWidth(1);
+    QGraphicsEllipseItem *circle;
+
+    // inactive
+    pen.setColor(inactive);
+    circle = scene->addEllipse(0.0, 0.0, width, height, pen,
+                               QBrush(inactive, Qt::SolidPattern));
+    circle->setSpanAngle(-(1.0f - percent) * 360.0f * 16.0f);
+    circle->setStartAngle(90.0f * 16.0f - percent * 360.0f * 16.0f);
+    // active
+    pen.setColor(active);
+    circle = scene->addEllipse(0.0, 0.0, width, height, pen,
+                               QBrush(active, Qt::SolidPattern));
+    circle->setSpanAngle(-percent * 360.0f * 16.0f);
+    circle->setStartAngle(90.0f * 16.0f);
+}
+
+
+void GraphicalItemHelper::paintGraph(const QList<float> &value,
+                                     const QColor &active, const int &width,
+                                     const int &height, QGraphicsScene *scene)
+{
+    QPen pen;
+    pen.setColor(active);
+
+    // default norms
+    float normX = static_cast<float>(width) / static_cast<float>(value.count());
+    float normY = static_cast<float>(height) / (1.5f * 100.0f);
+    // 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 + 5.0f;
+        float x2 = (i + 1) * normX;
+        float y2 = -fabs(value.at(i + 1)) * normY + 5.0f;
+        scene->addLine(x1, y1, x2, y2, pen);
+    }
+}
+
+
+void GraphicalItemHelper::paintHorizontal(const float &percent,
+                                          const QColor &inactive,
+                                          const QColor &active,
+                                          const int &width, const int &height,
+                                          QGraphicsScene *scene)
+{
+    QPen pen;
+    pen.setWidth(height);
+    // inactive
+    pen.setColor(inactive);
+    scene->addLine(percent * width + 0.5 * height, 0.5 * height,
+                   width + 0.5 * height, 0.5 * height, pen);
+    // active
+    pen.setColor(active);
+    scene->addLine(-0.5 * height, 0.5 * height, percent * width - 0.5 * height,
+                   0.5 * height, pen);
+}
+
+
+void GraphicalItemHelper::paintVertical(const float &percent,
+                                        const QColor &inactive,
+                                        const QColor &active, const int &width,
+                                        const int &height,
+                                        QGraphicsScene *scene)
+{
+    QPen pen;
+    pen.setWidth(width);
+    // inactive
+    pen.setColor(inactive);
+    scene->addLine(0.5 * width, -0.5 * width, 0.5 * width,
+                   (1.0 - percent) * height - 0.5 * width, pen);
+    // active
+    pen.setColor(active);
+    scene->addLine(0.5 * width, (1.0 - percent) * height + 0.5 * width,
+                   0.5 * width, height + 0.5 * width, pen);
+}
+
+
+QString GraphicalItemHelper::colorToString(const QColor &color)
+{
+    qCDebug(LOG_LIB) << "Color" << color;
+
+    return QString("%1,%2,%3,%4")
+        .arg(color.red())
+        .arg(color.green())
+        .arg(color.blue())
+        .arg(color.alpha());
+}
+
+
+float GraphicalItemHelper::getPercents(const float &value, const float &min,
+                                       const float &max)
+{
+    qCDebug(LOG_LIB) << "Get percent value from" << value;
+
+    return (value - min) / (max - min);
+}
+
+
+QColor GraphicalItemHelper::stringToColor(const QString &color)
+{
+    qCDebug(LOG_LIB) << "Color" << color;
+
+    QColor qColor;
+    QStringList listColor = color.split(QChar(','));
+    while (listColor.count() < 4)
+        listColor.append(QString("0"));
+    qColor.setRed(listColor.at(0).toInt());
+    qColor.setGreen(listColor.at(1).toInt());
+    qColor.setBlue(listColor.at(2).toInt());
+    qColor.setAlpha(listColor.at(3).toInt());
+
+    return qColor;
+}