Files
DataStructureProject/Road.cpp
T
2017-12-17 12:14:53 +08:00

50 lines
921 B
C++

#include "Road.h"
#include <QPainter>
#include <QPaintEvent>
Road::Road(QWidget* parent, const int length, const direction dir)
:QWidget(parent), length(length), dir(dir)
{
switch(dir)
{
case horizontal:
resize(length, 50);
setMinimumSize(length, 50);
setMaximumSize(length, 50);
break;
case vertical:
resize(50, length);
setMinimumSize(50, length);
setMaximumSize(50, length);
break;
}
// setContentsMargins(0, 0, 0, 0);
}
void Road::paintEvent(QPaintEvent * event)
{
event->ignore();
QPainter painter(this);
/*painter.setPen(Qt::blue);
painter.drawRect(0, 0, width() - 1, height() - 1);*/
painter.setBrush(Qt::white);
painter.setPen(Qt::white);
auto x = 0, y = 0;
if (dir == horizontal) {
while (x < length) {
painter.drawRect(x + 5, 20, 40, 10);
x += 50;
}
}
else {
while (y < length) {
painter.drawRect(20, y + 5, 10, 40);
y += 50;
}
}
}
Road::~Road()
{
}