+#include <QBrush>
+#include <QPainter>
+
+#include "journey.h"
+#include "graph.h"
+
+Graph::Graph(QQuickItem *parent)
+ : QQuickPaintedItem(parent)
+ , primary(QColor("#ff0000"))
+ , secondary(QColor("#00ff00"))
+ , highlight(QColor("#0000ff"))
+ , axisThickness(0.02)
+ , bars(7)
+ , gap(0.1)
+ , minmodel(0.0f)
+ , maxmodel(1.0f)
+ , miny(0.0f)
+ , maxy(1.0f)
+ , stepy(0.1f)
+ , unitsy("%")
+ , fontsize(24.0)
+ , animate(1.0)
+{
+ model.clear();
+ labelsx.clear();
+ labelsy.clear();
+}
+
+void Graph::paint(QPainter *painter) {
+ QLocale locale;
+ float barwidth;
+ float axiswidth;
+ int count;
+ int barfullwidth;
+ float labelygap;
+ float labelxgap;
+ int labels;
+ float labelheight;
+
+ QRectF size = contentsBoundingRect();
+
+ bars = model.length();
+ labelygap = size.height() * 0.1l;
+ labelxgap = size.width() * 0.11;
+ axiswidth = qMin(size.width() * axisThickness, size.height() * axisThickness);
+ barfullwidth = ((size.width() - labelxgap - axiswidth) / bars);
+ barwidth = barfullwidth * (1.0 - gap);
+ labels = labelsy.length() > 0 ? labelsy.length() : 1 + (maxy - miny) / stepy;
+ labelheight = (size.height() - labelygap - axiswidth) / (labels - 0.5);
+
+ QBrush axiscolour(primary);
+ QBrush barcolour(secondary);
+
+ painter->setBrush(axiscolour);
+ painter->setPen(Qt::NoPen);
+ painter->setRenderHint(QPainter::Antialiasing);
+ painter->setOpacity(1.0);
+
+ const QPointF points[6] = {
+ QPointF(labelxgap, (labelheight / 2.0)),
+ QPointF(labelxgap, size.height() - labelygap),
+ QPointF(size.width(), size.height() - labelygap),
+ QPointF(size.width(), size.height() - labelygap - axiswidth),
+ QPointF(labelxgap + axiswidth, size.height() - labelygap - axiswidth),
+ QPointF(labelxgap + axiswidth, (labelheight / 2.0))
+ };
+ painter->drawPolygon(points, 6);
+
+ if (bars > 0) {
+ painter->setBrush(barcolour);
+
+ count = 0;
+ for (QList<float>::const_iterator iter = model.constBegin(); (count < bars) && (iter != model.constEnd()); iter++) {
+ float barheight = ((*iter) - miny) / (maxy - miny);
+ barheight = qBound(0.0f, barheight, 1.0f) * (size.height() - labelygap - axiswidth - (labelheight / 2.0));
+ barheight *= animate;
+ painter->drawRect(labelxgap + axiswidth + (barfullwidth * count) + (barfullwidth * gap / 2.0), size.height() - labelygap - barheight - axiswidth, barwidth, barheight);
+
+ count++;
+ }
+ }
+
+ QFont font = painter->font();
+ font.setPixelSize(fontsize);
+ painter->setFont(font);
+ painter->setPen(primary);
+ painter->setBrush(Qt::NoBrush);
+
+ if ((bars > 0) && (labelsx.length() == bars)) {
+ for (count = 0; count < bars; count++) {
+ QRectF rect(labelxgap + axiswidth + (barfullwidth * count), size.height() - labelygap + 8.0, barfullwidth, labelygap - 8.0);
+ painter->drawText(rect, Qt::AlignHCenter | Qt::NoClip | Qt::TextSingleLine, labelsx[count]);
+ //painter->drawRect(rect);
+ }
+ }
+
+ if (labelsy.length() > 0) {
+ for (count = 0; count < labels; count++) {
+ QRectF rect(0, size.height() - (labelheight * (count + 0.5)) - labelygap, labelxgap - 8.0, labelheight);
+ painter->drawText(rect, Qt::AlignVCenter | Qt::AlignRight | Qt::NoClip | Qt::TextSingleLine, labelsy[count]);
+ //painter->drawRect(rect);
+ }
+ }
+ else {
+ float labelvalue = miny;
+ for (count = 0; count < labels; count++) {
+ QString labeltext = unitsy == "%" ? locale.toString(labelvalue * 100, 'f', 0) + "%" : locale.toString(labelvalue, 'g', 2) + unitsy;
+ QRectF rect(0, size.height() - (labelheight * (count + 0.5)) - labelygap, labelxgap - 8.0, labelheight);
+ painter->drawText(rect, Qt::AlignVCenter | Qt::AlignRight | Qt::NoClip | Qt::TextSingleLine, labeltext);
+ //painter->drawRect(rect);
+ labelvalue += stepy;
+ }
+
+ }
+}
+
+QList<float> Graph::getModel() const {
+ return model;
+}
+
+void Graph::setModel(QList<float> value) {
+ model = value;
+ emit modelChanged();
+
+ if (model.length() > 0) {
+ minmodel = model[0];
+ maxmodel = minmodel;
+ foreach (int y, model) {
+ if (y < minmodel) {
+ minmodel = y;
+ }
+ if (y > maxmodel) {
+ maxmodel = y;
+ }
+ }
+ }
+}
+
+QStringList Graph::getLabelsx() const {
+ return labelsx;
+}
+
+void Graph::setLabelsx(QStringList value) {
+ labelsx = value;
+ emit labelsxChanged();
+}
+
+QStringList Graph::getLabelsy() const {
+ return labelsy;
+}
+
+void Graph::setLabelsy(QStringList value) {
+ labelsy = value;
+ emit labelsyChanged();
+}
+
+QColor Graph::getPrimary() const {
+ return this->primary;
+}
+
+void Graph::setPrimary(QColor value) {
+ if (primary != value) {
+ primary = value;
+ emit primaryChanged(value);
+ }
+}
+
+QColor Graph::getSecondary() const {
+ return this->secondary;
+}
+
+void Graph::setSecondary(QColor value) {
+ if (secondary != value) {
+ secondary = value;
+ emit secondaryChanged(value);
+ }
+}
+
+QColor Graph::getHighlight() const {
+ return this->highlight;
+}
+
+void Graph::setHighlight(QColor value) {
+ if (highlight != value) {
+ highlight = value;
+ emit highlightChanged(value);
+ }
+}
+
+float Graph::getGap() const {
+ return gap;
+}
+
+void Graph::setGap(float value) {
+ if (gap != value) {
+ gap = value;
+ emit gapChanged(value);
+ }
+}
+
+float Graph::getMiny() const {
+ return miny;
+}
+
+void Graph::setMiny(float value) {
+ if (miny != value) {
+ miny = value;
+ emit minyChanged(value);
+ }
+}
+
+float Graph::getMaxy() const {
+ return maxy;
+}
+
+void Graph::setMaxy(float value) {
+ if (maxy != value) {
+ maxy = value;
+ emit maxyChanged(value);
+ }
+}
+
+float Graph::getStepy() const {
+ return stepy;
+}
+
+void Graph::setStepy(float value) {
+ if (stepy != value) {
+ stepy = value;
+ emit stepyChanged(value);
+ }
+}
+
+QString Graph::getUnitsy() const {
+ return unitsy;
+}
+
+void Graph::setUnitsy(QString value) {
+ if (unitsy != value) {
+ unitsy = value;
+ emit unitsyChanged();
+ }
+}
+
+float Graph::getFontsize() const {
+ return fontsize;
+}
+
+void Graph::setFontsize(float value) {
+ if (fontsize != value) {
+ fontsize = value;
+ emit fontsizeChanged(value);
+ }
+}
+
+float Graph::getAnimate() const {
+ return animate;
+}
+
+void Graph::setAnimate(float value) {
+ if (animate != value) {
+ animate = value;
+ emit animateChanged(value);
+ update();
+ }
+}
+
projects / harbour-pedalo.git / commitdiff