#include <QtWidgets>
class ConstellationWidget : public QWidget {
Q_OBJECT
public:
ConstellationWidget(QWidget* parent = nullptr)
: QWidget(parent)
, m_showLabels(true)
, m_showLines(true)
, m_showConstellations(true)
, m_showBorders(true)
, m_starDensity(0.5)
, m_planetDensity(0.5)
, m_deepSkyDensity(0.5)
, m_satelliteDensity(0.5)
, m_equatorVisible(false)
, m_eclipticVisible(false)
, m_meridianVisible(false)
, m_celestialEquatorVisible(false)
{
setMinimumSize(600, 400);
setBackgroundRole(QPalette::Base);
setAutoFillBackground(true);
}
void setShowLabels(bool show) {
m_showLabels = show;
update();
}
bool showLabels() const {
return m_showLabels;
}
void setShowLines(bool show) {
m_showLines = show;
update();
}
bool showLines() const {
return m_showLines;
}
void setShowConstellations(bool show) {
m_showConstellations = show;
update();
}
bool showConstellations() const {
return m_showConstellations;
}
void setShowBorders(bool show) {
m_showBorders = show;
update();
}
bool showBorders() const {
return m_showBorders;
}
void setStarDensity(double density) {
m_starDensity = density;
update();
}
double starDensity() const {
return m_starDensity;
}
void setPlanetDensity(double density) {
m_planetDensity = density;
update();
}
double planetDensity() const {
return m_planetDensity;
}
void setDeepSkyDensity(double density) {
m_deepSkyDensity = density;
update();
}
double deepSkyDensity() const {
return m_deepSkyDensity;
}
void setSatelliteDensity(double density) {
m_satelliteDensity = density;
update();
}
double satelliteDensity() const {
return m_satelliteDensity;
}
void setEquatorVisible(bool visible) {
m_equatorVisible = visible;
update();
}
bool equatorVisible() const {
return m_equatorVisible;
}
void setEclipticVisible(bool visible) {
m_eclipticVisible = visible;
update();
}
bool eclipticVisible() const {
return m_eclipticVisible;
}
void setMeridianVisible(bool visible) {
m_meridianVisible = visible;
update();
}
bool meridianVisible() const {
return m_meridianVisible;
}
void setCelestialEquatorVisible(bool visible) {
m_celestialEquatorVisible = visible;
update();
}
bool celestialEquatorVisible() const {
return m_celestialEquatorVisible;
}
protected:
void paintEvent(QPaintEvent* event) override {
Q_UNUSED(event);
QPainter painter(this);
painter.setRenderHint(QPainter::Antialiasing);
// 绘制星空
drawStars(painter);
// 绘制行星、深空天体和人造卫星
drawPlanets(painter);
drawDeepSkyObjects(painter);
drawSatellites(painter);
// 绘制标签
if (m_showLabels) {
drawLabels(painter);
}
// 绘制星座图绘
if (m_showConstellations) {
drawConstellations(painter);
}
// 绘制星座图连线
if (m_showLines) {
drawConstellationLines(painter);
}
// 绘制边界
if (m_showBorders) {
drawBorders(painter);
}
// 绘制地平经纬度、黄道、赤道和天体赤道
drawGrids(painter);
}
private:
void drawStars(QPainter& painter) {
Q_UNUSED(painter);
// TODO: 绘制星空
}
void drawPlanets(QPainter& painter) {
Q_UNUSED(painter);
// TODO: 绘制行星
}
void drawDeepSkyObjects(QPainter& painter) {
Q_UNUSED(painter);
// TODO: 绘制深空天体
}
void drawSatellites(QPainter& painter) {
Q_UNUSED(painter);
// TODO: 绘制人造卫星
}
void drawLabels(QPainter& painter) {
Q_UNUSED(painter);
// TODO: 绘制标签
}
void drawConstellations(QPainter& painter) {
Q_UNUSED(painter);
// TODO: 绘制星座图绘
}
void drawConstellationLines(QPainter& painter) {
Q_UNUSED(painter);
// TODO: 绘制星座图连线
}
void drawBorders(QPainter& painter) {
Q_UNUSED(painter);
// TODO: 绘制边界
}
void drawGrids(QPainter& painter) {
Q_UNUSED(painter);
// TODO: 绘制地平经纬度、黄道、赤道和天体赤道
}
private:
bool m_showLabels;
bool m_showLines;
bool m_showConstellations;
bool m_showBorders;
double m_starDensity;
double m_planetDensity;
double m_deepSkyDensity;
double m_satelliteDensity;
bool m_equatorVisible;
bool m_eclipticVisible;
bool m_meridianVisible;
bool m_celestialEquatorVisible;
};
该示例控件还需要自行实现具体的星空绘制、行星、深空天体和人造卫星绘制、
标签绘制、星座图绘制、星座图连线绘制、边界绘制以及地平经纬度、黄道、赤道和天体赤道绘制等功能。
