AxisLegend.hh
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/*
* AxisLegend.hh
*
* Created on: 01 jun. 2018
* Author: AKKA
*/
#ifndef AXISLEGEND_HH_
#define AXISLEGEND_HH_
#include "Label.hh"
#include <vector>
#include <list>
namespace plot {
class AxisLegend {
public:
AxisLegend() : _color(0, 0, 0), _font(Font("", 0)) {
}
AxisLegend(Font font) : _color(0, 0, 0), _font(font) {
}
AxisLegend(Font font, Color color) : _color(color), _font(font) {
}
AxisLegend(const AxisLegend& legend) :
_labels(legend._labels), _color(legend._color), _font(legend._font) {
}
virtual ~AxisLegend() {
_labels.clear();
}
const std::vector<Label> getLabels() const {
return _labels;
}
const Color& getColor() const {
return _color;
}
const Font& getFont() const {
return _font;
}
void setFont(const Font& font) {
_font = font;
}
void setLabel(Label &label) {
if (!label._text.empty()) {
_labels.clear();
_labels.push_back(label);
}
_color = label._color;
_font = label.getFont();
}
void pushLabel(Label &label) {
if (!label._text.empty()) {
_labels.push_back(label);
}
}
void clearLabels() {
_labels.clear();
}
int getNbLines() {
int nbLines = 0;
for (auto label : _labels) {
LabelRowInfo labelRow = Label::getRowNumber(label);
for (auto row : labelRow) {
if (!row.empty()) {
++nbLines;
}
}
}
return nbLines;
}
std::list< std::pair< std::string, Color > > getLines() {
std::list< std::pair< std::string, Color > > lines;
for (auto label : _labels) {
LabelRowInfo labelRow = Label::getRowNumber(label);
for (auto row : labelRow) {
if (row.empty()) {
continue;
}
Color lineColor = label._color;
if (!lineColor.isSet()) {
lineColor = _color;
}
lines.push_back(std::make_pair(row,lineColor));
}
}
return lines;
}
std::string getText() {
std::string result = "";
bool isFirstLabel = true;
for (auto label : _labels) {
if (label._text.empty()) {
continue;
}
if (!isFirstLabel) {
result += Label::DELIMITER;
}
result += label._text;
}
return result;
}
bool isEmpty() {
if (_labels.empty()) {
return true;
}
for (auto label : _labels) {
if (!label._text.empty()) {
return false;
}
}
return true;
}
/**
* @brief Determine number of line that compose the legend.
*/
static LabelRowInfo getRowNumber(AxisLegend const& pLegend);
/**
* Dumps legend properties, used for test.
*/
void dump(std::ostream& out, std::string& prefix);
private:
/**
* List of labels that compose the legend.
*/
std::vector<Label> _labels;
/**
* Text color
*/
Color _color;
/**
* Legend font name and size.
*/
Font _font;
};
inline std::ostream& operator <<(std::ostream& out, AxisLegend& legend) {
out << "[AXIS LEGEND]" << std::endl;
out << "legend.color=" << legend.getColor() << std::endl;
std::string prefix = "legend";
Font font = legend.getFont();
font.dump(out, prefix);
prefix = "legend.label";
for (auto label : legend.getLabels()) {
label.dump(out,prefix);
}
return out;
}
} /* namespace plot */
#endif /* AXISLEGEND_HH_ */