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749 lines (685 loc) · 19.7 KB
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#include "wplot/Ticks2D.h"
#include "wplot/Plot2D.h"
#include "wplot/Private/LinearTicksCalculator.h"
#include <QDateTime>
#include <QTime>
#include <QFontMetrics>
#include <cmath>
#include <iostream>
namespace WPlot {
///////////////////////////////////////////////////////////////////////////////
// USING SECTION //
///////////////////////////////////////////////////////////////////////////////
using Private::LinearTicksCalculator;
///////////////////////////////////////////////////////////////////////////////
// STATIC DECLARATION SECTION //
///////////////////////////////////////////////////////////////////////////////
namespace {
const double defaultPrimaryStep(1.0);
const double defaultSecondaryStep(0.5);
const double defaultWidth(1.0);
const double defaultLabelDistance(2.0);
}
///////////////////////////////////////////////////////////////////////////////
// PUBLIC SECTION //
///////////////////////////////////////////////////////////////////////////////
Ticks2D::Ticks2D() :
Layer2D(),
m_axisXPrimaryStep(defaultPrimaryStep),
m_axisXSecondaryStep(defaultSecondaryStep),
m_axisYPrimaryStep(defaultPrimaryStep),
m_axisYSecondaryStep(defaultSecondaryStep),
m_axisXWidth(defaultWidth),
m_axisYWidth(defaultWidth),
m_axisXPrimaryTickLength(5.0),
m_axisXSecondaryTickLength(2.0),
m_axisYPrimaryTickLength(5.0),
m_axisYSecondaryTickLength(2.0),
m_axisXPrimaryTickWidth(defaultWidth),
m_axisXSecondaryTickWidth(defaultWidth),
m_axisYPrimaryTickWidth(defaultWidth),
m_axisYSecondaryTickWidth(defaultWidth),
m_axisXLabelDistance(defaultLabelDistance),
m_axisYLabelDistance(defaultLabelDistance),
m_axisXPrimaryTickStyle(Qt::SolidLine),
m_axisXSecondaryTickStyle(Qt::SolidLine),
m_axisYPrimaryTickStyle(Qt::SolidLine),
m_axisYSecondaryTickStyle(Qt::SolidLine),
m_axisXPrimaryTickColor(Qt::black),
m_axisXSecondaryTickColor(Qt::black),
m_axisYPrimaryTickColor(Qt::black),
m_axisYSecondaryTickColor(Qt::black),
m_axisXFont(),
m_axisYFont(),
m_axisXFormatType(FORMAT_FLOAT),
m_axisYFormatType(FORMAT_FLOAT),
m_labelEnabled(false),
m_origin() {
m_axisXPrimaryTickPen.setStyle(m_axisXPrimaryTickStyle);
m_axisXPrimaryTickPen.setColor(m_axisXPrimaryTickColor);
m_axisXPrimaryTickPen.setWidthF(m_axisXPrimaryTickWidth);
m_axisXSecondaryTickPen.setStyle(m_axisXSecondaryTickStyle);
m_axisXSecondaryTickPen.setColor(m_axisXSecondaryTickColor);
m_axisXSecondaryTickPen.setWidthF(m_axisXSecondaryTickWidth);
m_axisYPrimaryTickPen.setStyle(m_axisYPrimaryTickStyle);
m_axisYPrimaryTickPen.setColor(m_axisYPrimaryTickColor);
m_axisYPrimaryTickPen.setWidthF(m_axisYPrimaryTickWidth);
m_axisYSecondaryTickPen.setStyle(m_axisYSecondaryTickStyle);
m_axisYSecondaryTickPen.setColor(m_axisYSecondaryTickColor);
m_axisYSecondaryTickPen.setWidthF(m_axisYSecondaryTickWidth);
m_axisXFont.setPixelSize(10);
m_axisYFont.setPixelSize(10);
m_axisXTextOptions.setAlignment(Qt::AlignHCenter);
m_axisYTextOptions.setAlignment(Qt::AlignRight);
}
/**
* Set the primary step in X axis.
*
* @param[in] step Step.
*/
void Ticks2D::setXPrimaryStep(const double &step) {
m_axisXPrimaryStep = step;
}
/**
* Set the secondary step in X axis.
*
* @param[in] step Step.
*/
void Ticks2D::setXSecondaryStep(const double &step) {
m_axisXSecondaryStep = step;
}
/**
* Set the primary step in Y axis.
*
* @param[in] step Step.
*/
void Ticks2D::setYPrimaryStep(const double &step) {
m_axisYPrimaryStep = step;
}
/**
* Set the secondary step in Y axis.
*
* @param[in] step Step.
*/
void Ticks2D::setYSecondaryStep(const double &step) {
m_axisYSecondaryStep = step;
}
/**
* Set the primary step in both axes.
*
* @param[in] step Step.
*/
void Ticks2D::setPrimaryStep(const double &step) {
setXPrimaryStep(step);
setYPrimaryStep(step);
}
/**
* Set the secondary step in both axes.
*
* @param[in] step Step.
*/
void Ticks2D::setSecondaryStep(const double &step) {
setXSecondaryStep(step);
setYSecondaryStep(step);
}
/**
* Set the length of primary tick in X axis.
*
* @param[in] step Step.
*/
void Ticks2D::setXPrimaryTickLength(const double &length) {
m_axisXPrimaryTickLength = length;
}
/**
* Set the length of secondary tick in X axis.
*
* @param[in] step Step.
*/
void Ticks2D::setXSecondaryTickLength(const double &length) {
m_axisXSecondaryTickLength = length;
}
/**
* Set the length of primary tick in both axes.
*
* @param[in] step Step.
*/
void Ticks2D::setPrimaryTickLength(const double &length) {
setXPrimaryTickLength(length);
setYPrimaryTickLength(length);
}
/**
* Set the length of primary tick in Y axis.
*
* @param[in] step Step.
*/
void Ticks2D::setYPrimaryTickLength(const double &length) {
m_axisYPrimaryTickLength = length;
}
/**
* Set the length of secondary tick in Y axis.
*
* @param[in] step Step.
*/
void Ticks2D::setYSecondaryTickLength(const double &length) {
m_axisYSecondaryTickLength = length;
}
/**
* Set the length of secondary tick in both axes.
*
* @param[in] step Step.
*/
void Ticks2D::setSecondaryTickLength(const double &length) {
setXSecondaryTickLength(length);
setYSecondaryTickLength(length);
}
/**
* Set the width of primary tick in X axis.
*
* @param[in] step Step.
*/
void Ticks2D::setXPrimaryTickWidth(const double &width) {
m_axisXPrimaryTickWidth = width;
m_axisXPrimaryTickPen.setWidthF(width);
}
/**
* Set the width of secondary tick in X axis.
*
* @param[in] step Step.
*/
void Ticks2D::setXSecondaryTickWidth(const double &width) {
m_axisXSecondaryTickWidth = width;
m_axisXSecondaryTickPen.setWidthF(width);
}
/**
* Set the width of all ticks in X axis.
*
* @param[in] step Step.
*/
void Ticks2D::setXTickWidth(const double &width) {
setXPrimaryTickWidth(width);
setXSecondaryTickWidth(width);
}
/**
* Set the width of primary tick in Y axis.
*
* @param[in] step Step.
*/
void Ticks2D::setYPrimaryTickWidth(const double &width) {
m_axisYPrimaryTickWidth = width;
m_axisYPrimaryTickPen.setWidthF(width);
}
/**
* Set the width of secondary tick in Y axis.
*
* @param[in] step Step.
*/
void Ticks2D::setYSecondaryTickWidth(const double &width) {
m_axisYSecondaryTickWidth = width;
m_axisYSecondaryTickPen.setWidthF(width);
}
/**
* Set the width of all ticks in Y axis.
*
* @param[in] step Step.
*/
void Ticks2D::setYTickWidth(const double &width) {
setYPrimaryTickWidth(width);
setYSecondaryTickWidth(width);
}
/**
* Set the width of primary ticks in both axes.
*
* @param[in] step Step.
*/
void Ticks2D::setPrimaryTickWidth(const double &width) {
setXPrimaryTickWidth(width);
setYPrimaryTickWidth(width);
}
/**
* Set the width of secondary ticks in both axes.
*
* @param[in] step Step.
*/
void Ticks2D::setSecondaryTickWidth(const double &width) {
setXSecondaryTickWidth(width);
setYSecondaryTickWidth(width);
}
/**
* Set the width of all ticks in both axes.
*
* @param[in] step Step.
*/
void Ticks2D::setTickWidth(const double &width) {
setPrimaryTickWidth(width);
setSecondaryTickWidth(width);
}
/**
* Set the color of primary tick in X axis.
*
* @param[in] color Color.
*/
void Ticks2D::setXPrimaryTickColor(const QColor &color) {
m_axisXPrimaryTickColor = color;
m_axisXPrimaryTickPen.setColor(color);
}
/**
* Set the color of primary tick in Y axis.
*
* @param[in] color Color.
*/
void Ticks2D::setYPrimaryTickColor(const QColor &color) {
m_axisYPrimaryTickColor = color;
m_axisYPrimaryTickPen.setColor(color);
}
/**
* Set the color of primary tick in both axes.
*
* @param[in] color Color.
*/
void Ticks2D::setPrimaryTickColor(const QColor &color) {
setXPrimaryTickColor(color);
setXPrimaryTickColor(color);
}
/**
* Set the color of secondary tick in X axis.
*
* @param[in] color Color.
*/
void Ticks2D::setXSecondaryTickColor(const QColor &color) {
m_axisXSecondaryTickColor = color;
m_axisXSecondaryTickPen.setColor(color);
}
/**
* Set the color of secondary tick in Y axis.
*
* @param[in] color Color.
*/
void Ticks2D::setYSecondaryTickColor(const QColor &color) {
m_axisYSecondaryTickColor = color;
m_axisYSecondaryTickPen.setColor(color);
}
/**
* Set the color of secondary tick in both axes.
*
* @param[in] color Color.
*/
void Ticks2D::setSecondaryTickColor(const QColor &color) {
setXSecondaryTickColor(color);
setYSecondaryTickColor(color);
}
/**
* Set the style of primary tick in X axis.
*
* @param[in] style style.
*/
void Ticks2D::setXPrimaryTickStyle(const Qt::PenStyle &style) {
m_axisXPrimaryTickStyle = style;
m_axisXPrimaryTickPen.setStyle(style);
}
/**
* Set the style of primary tick in Y axis.
*
* @param[in] style style.
*/
void Ticks2D::setYPrimaryTickStyle(const Qt::PenStyle &style) {
m_axisYPrimaryTickStyle = style;
m_axisYPrimaryTickPen.setStyle(style);
}
/**
* Set the style of primary tick in both axes.
*
* @param[in] style style.
*/
void Ticks2D::setPrimaryTickStyle(const Qt::PenStyle &style) {
setXPrimaryTickStyle(style);
setYPrimaryTickStyle(style);
}
/**
* Set the style of secondary tick in X axis.
*
* @param[in] style style.
*/
void Ticks2D::setXSecondaryTickStyle(const Qt::PenStyle &style) {
m_axisXSecondaryTickStyle = style;
m_axisXSecondaryTickPen.setStyle(style);
}
/**
* Set the style of secondary tick in Y axis.
*
* @param[in] style style.
*/
void Ticks2D::setYSecondaryTickStyle(const Qt::PenStyle &style) {
m_axisYSecondaryTickStyle = style;
m_axisYSecondaryTickPen.setStyle(style);
}
/**
* Set the style of secondary tick in both axes.
*
* @param[in] style style.
*/
void Ticks2D::setSecondaryTickStyle(const Qt::PenStyle &style) {
setXSecondaryTickStyle(style);
setYSecondaryTickStyle(style);
}
/**
* Set the style of all ticks in X axis.
*
* @param[in] style style.
*/
void Ticks2D::setXTickStyle(const Qt::PenStyle &style) {
setXPrimaryTickStyle(style);
setXSecondaryTickStyle(style);
}
/**
* Set the style of all ticks in Y axis.
*
* @param[in] style style.
*/
void Ticks2D::setYTickStyle(const Qt::PenStyle &style) {
setYPrimaryTickStyle(style);
setYSecondaryTickStyle(style);
}
/**
* Set the style of all ticks in both axes.
*
* @param[in] style style.
*/
void Ticks2D::setTickStyle(const Qt::PenStyle &style) {
setYTickStyle(style);
setXTickStyle(style);
}
/**
* Set the format type of labels in X axis.
*
* @param[in] type Format type.
*/
void Ticks2D::setXLabelFormatType(const FormatType &type) {
m_axisXFormatType = type;
}
/**
* Set the format type of labels in Y axis.
*
* @param[in] type Format type.
*/
void Ticks2D::setYLabelFormatType(const FormatType &type) {
m_axisYFormatType = type;
}
/**
* Set the format type of labels in both axes.
*
* @param[in] type Format type.
*/
void Ticks2D::Ticks2D::setLabelFormatType(const FormatType &type) {
setXLabelFormatType(type);
setYLabelFormatType(type);
}
/**
* Set the font of labels in X axis.
*
* @param[in] font Font.
*/
void Ticks2D::setXLabelFont(const QFont &font) {
m_axisXFont = font;
}
/**
* Set the font of labels in Y axis.
*
* @param[in] font Font.
*/
void Ticks2D::setYLabelFont(const QFont &font) {
m_axisYFont = font;
}
/**
* Set the font of labels in both axes.
*
* @param[in] font Font.
*/
void Ticks2D::setLabelFont(const QFont &font) {
setXLabelFont(font);
setYLabelFont(font);
}
/**
* Set the distance of labels from X axis.
*
* @param[in] distance Distance.
*/
void Ticks2D::setXLabelDistanceFromAxis(const double &distance) {
m_axisXLabelDistance = distance;
}
/**
* Set the distance of labels from Y axis.
*
* @param[in] distance Distance.
*/
void Ticks2D::setYLabelDistanceFromAxis(const double &distance) {
m_axisYLabelDistance = distance;
}
/**
* Set the distance of labels from both axes.
*
* @param[in] distance Distance.
*/
void Ticks2D::setLabelDistanceFromAxis(const double &distance) {
setXLabelDistanceFromAxis(distance);
setYLabelDistanceFromAxis(distance);
}
/**
* Enables the drawing of labels.
*
* @param[in] flag Enabling flag.
*/
void Ticks2D::setEnableLabels(const bool &flag) {
m_labelEnabled = flag;
}
/**
* Set ticks origin.
*
* @param[in] origin Origin.
*/
void Ticks2D::setOrigin(const QPointF &origin) {
m_origin = origin;
}
/**
* Set ticks origin.
*
* @param[in] x Origin X coordinate.
* @param[in] y Origin Y coordinate.
*/
void Ticks2D::setOrigin(const double &x, const double &y) {
m_origin.setX(x);
m_origin.setY(y);
}
///////////////////////////////////////////////////////////////////////////////
// VIRTUAL PUBLIC SECTION //
///////////////////////////////////////////////////////////////////////////////
/**
* Draw the ticks.
*
* @param[inout] plot Plot where text must be plotted.
*/
void Ticks2D::draw(Plot2D *plot) {
drawAxisXTicks(plot);
drawAxisYTicks(plot);
if (true == m_labelEnabled) {
drawAxisXLabels(plot);
drawAxisYLabels(plot);
}
}
///////////////////////////////////////////////////////////////////////////////
// PRIVATE SECTION //
///////////////////////////////////////////////////////////////////////////////
/**
* Draw ticks for X axis.
*
* @param[inout] plot Plot where text must be plotted.
*/
void Ticks2D::drawAxisXTicks(Plot2D *plot) {
QPainter painter(plot);
const auto upperLeftLimits = plot->getUpperLeftCorner();
const auto lowerRightLimits = plot->getLowerRightCorner();
const auto upperLeftCorner = plot->scalePoint(upperLeftLimits);
const auto lowerRightCorner = plot->scalePoint(lowerRightLimits);
const auto axisOrigin = plot->scalePoint(m_origin);
painter.setPen(m_axisXSecondaryTickPen);
LinearTicksCalculator ticksCalculator;
ticksCalculator.setStep(m_axisXSecondaryStep);
ticksCalculator.setLimits(upperLeftLimits.x(), lowerRightLimits.x());
const auto secondaryTicks = ticksCalculator.getTicks();
for (const auto& x : secondaryTicks) {
const double scaledX = plot->scalePointX(x);
painter.drawLine(scaledX, axisOrigin.y(), scaledX, axisOrigin.y() - m_axisXSecondaryTickLength);
}
painter.setPen(m_axisXPrimaryTickPen);
ticksCalculator.setStep(m_axisXPrimaryStep);
const auto primaryTicks = ticksCalculator.getTicks();
for (const auto& x : primaryTicks) {
const double scaledX = plot->scalePointX(x);
painter.drawLine(scaledX, axisOrigin.y(), scaledX, axisOrigin.y() - m_axisXPrimaryTickLength);
}
}
/**
* Draw ticks for Y axis.
*
* @param[inout] plot Plot where text must be plotted.
*/
void Ticks2D::drawAxisYTicks(Plot2D *plot) {
QPainter painter(plot);
const auto upperLeftLimits = plot->getUpperLeftCorner();
const auto lowerRightLimits = plot->getLowerRightCorner();
const auto upperLeftCorner = plot->scalePoint(upperLeftLimits);
const auto lowerRightCorner = plot->scalePoint(lowerRightLimits);
const auto axisOrigin = plot->scalePoint(m_origin);
painter.setPen(m_axisYSecondaryTickPen);
LinearTicksCalculator ticksCalculator;
ticksCalculator.setStep(m_axisYSecondaryStep);
ticksCalculator.setLimits(lowerRightLimits.y(), upperLeftLimits.y());
const auto secondaryTicks = ticksCalculator.getTicks();
for (const auto& y : secondaryTicks) {
const double scaledY = plot->scalePointY(y);
painter.drawLine(axisOrigin.x(), scaledY, axisOrigin.x() + m_axisYSecondaryTickLength, scaledY);
}
painter.setPen(m_axisYPrimaryTickPen);
ticksCalculator.setStep(m_axisYPrimaryStep);
const auto primaryTicks = ticksCalculator.getTicks();
for (const auto& y : primaryTicks) {
const double scaledY = plot->scalePointY(y);
painter.drawLine(axisOrigin.x(), scaledY, axisOrigin.x() + m_axisYPrimaryTickLength, scaledY);
}
}
/**
* Draw labels for X axis.
*
* @param[inout] plot Plot where text must be plotted.
*/
void Ticks2D::drawAxisXLabels(Plot2D *plot) {
QPainter painter(plot);
QFontMetrics fontMetrics(m_axisXFont);
painter.setFont(m_axisXFont);
const auto upperLeftLimits = plot->getUpperLeftCorner();
const auto lowerRightLimits = plot->getLowerRightCorner();
const auto upperLeftCorner = plot->scalePoint(upperLeftLimits);
const auto lowerRightCorner = plot->scalePoint(lowerRightLimits);
const auto axisOrigin = plot->scalePoint(m_origin);
painter.setPen(m_axisXSecondaryTickPen);
LinearTicksCalculator ticksCalculator;
ticksCalculator.setStep(m_axisXSecondaryStep);
ticksCalculator.setLimits(upperLeftLimits.x(), lowerRightLimits.x());
QRectF rect;
const auto secondaryTicks = ticksCalculator.getTicks();
for (const auto& x : secondaryTicks) {
const double scaledX = plot->scalePointX(x);
const QString labelText(getLabelText(x));
auto s = fontMetrics.size(Qt::TextSingleLine, labelText);
rect.setLeft(scaledX - s.width() * 0.5);
rect.setTop(axisOrigin.y() + m_axisXLabelDistance);
rect.setWidth(s.width());
rect.setHeight(s.height());
painter.drawText(rect, labelText, m_axisXTextOptions);
}
painter.setPen(m_axisXPrimaryTickPen);
ticksCalculator.setStep(m_axisXPrimaryStep);
const auto primaryTicks = ticksCalculator.getTicks();
for (const auto& x : primaryTicks) {
const double scaledX = plot->scalePointX(x);
const QString labelText(getLabelText(x));
auto s = fontMetrics.size(Qt::TextSingleLine, labelText);
rect.setLeft(scaledX - s.width() * 0.5);
rect.setTop(axisOrigin.y() + m_axisXLabelDistance);
rect.setWidth(s.width());
rect.setHeight(s.height());
painter.drawText(rect, labelText, m_axisXTextOptions);
}
}
/**
* Draw labels for Y axis.
*
* @param[inout] plot Plot where text must be plotted.
*/
void Ticks2D::drawAxisYLabels(Plot2D *plot) {
QPainter painter(plot);
QFontMetrics fontMetrics(m_axisYFont);
painter.setFont(m_axisYFont);
const auto upperLeftLimits = plot->getUpperLeftCorner();
const auto lowerRightLimits = plot->getLowerRightCorner();
const auto upperLeftCorner = plot->scalePoint(upperLeftLimits);
const auto lowerRightCorner = plot->scalePoint(lowerRightLimits);
const auto axisOrigin = plot->scalePoint(m_origin);
painter.setPen(m_axisYSecondaryTickPen);
LinearTicksCalculator ticksCalculator;
ticksCalculator.setStep(m_axisYSecondaryStep);
ticksCalculator.setLimits(lowerRightLimits.y(), upperLeftLimits.y());
const auto secondaryTicks = ticksCalculator.getTicks();
QRectF rect;
for (const auto& y : secondaryTicks) {
const double scaledY = plot->scalePointY(y);
const QString labelText(getLabelText(y));
auto s = fontMetrics.size(Qt::TextSingleLine, labelText);
rect.setLeft(axisOrigin.x() - s.width() - 5 - m_axisYLabelDistance);
rect.setTop(scaledY - s.height() * 0.5);
rect.setWidth(s.width() + 5);
rect.setHeight(s.height());
painter.drawText(rect, labelText, m_axisYTextOptions);
}
painter.setPen(m_axisYPrimaryTickPen);
ticksCalculator.setStep(m_axisYPrimaryStep);
const auto primaryTicks = ticksCalculator.getTicks();
for (const auto& y : primaryTicks) {
const double scaledY = plot->scalePointY(y);
const QString labelText(getLabelText(y));
auto s = fontMetrics.size(Qt::TextSingleLine, labelText);
rect.setLeft(axisOrigin.x() - s.width() - 5 - m_axisYLabelDistance);
rect.setTop(scaledY - s.height() * 0.5);
rect.setWidth(s.width() + 5);
rect.setHeight(s.height());
painter.drawText(rect, labelText, m_axisYTextOptions);
}
}
/**
* Retrieve the label text in the right format.
*
* @param[in] value Value.
*/
QString Ticks2D::getLabelText(const double &value) const {
switch (m_axisYFormatType) {
case FORMAT_INTEGER : {
return QString::number(static_cast<int>(value));
} break;
case FORMAT_FLOAT : {
return QString::number(value, 'g', 2);
} break;
case FORMAT_DATE : {
QDateTime dateTime = QDateTime::fromTime_t(static_cast<uint>(value));
return dateTime.toString("dd.MM.yyyy");
} break;
case FORMAT_TIME : {
QTime time = QTime::fromMSecsSinceStartOfDay(static_cast<int>(value) * 1000);
return time.toString("hh:mm:ss");
} break;
case FORMAT_DATETIME : {
QDateTime dateTime = QDateTime::fromTime_t(static_cast<uint>(value));
return dateTime.toString("dd.MM.yyyy hh:mm:ss");
} break;
}
return QString::number(value);
}
} // namespace WPlot