| 1 |
#include "rvuwidget.h"
|
| 2 |
|
| 3 |
#include <QApplication>
|
| 4 |
#include <QCursor>
|
| 5 |
#include <QColor>
|
| 6 |
#include <QPainter>
|
| 7 |
#include <QPixmap>
|
| 8 |
#include <QMouseEvent>
|
| 9 |
|
| 10 |
RvuWidget::RvuWidget(QWidget* parent) : QWidget(parent), m_x(0), m_y(0)
|
| 11 |
{
|
| 12 |
m_image = new QPixmap(200, 200);
|
| 13 |
m_image->fill(QColor(0, 0, 0));
|
| 14 |
m_painter = new QPainter(m_image);
|
| 15 |
m_do_pick = false;
|
| 16 |
}
|
| 17 |
|
| 18 |
RvuWidget::~RvuWidget()
|
| 19 |
{
|
| 20 |
m_painter->end();
|
| 21 |
delete m_painter;
|
| 22 |
delete m_image;
|
| 23 |
}
|
| 24 |
|
| 25 |
void RvuWidget::resizeImage(int X, int Y)
|
| 26 |
{
|
| 27 |
m_painter->end();
|
| 28 |
delete m_image;
|
| 29 |
m_image = new QPixmap(X, Y);
|
| 30 |
m_image->fill(QColor(0, 0, 0));
|
| 31 |
m_painter->begin(m_image);
|
| 32 |
m_painter->setPen(Qt::NoPen);
|
| 33 |
}
|
| 34 |
|
| 35 |
void RvuWidget::drawRect(int x, int y, int width, int height,
|
| 36 |
const QColor &color)
|
| 37 |
{
|
| 38 |
m_painter->fillRect(x, y, width, height, color);
|
| 39 |
}
|
| 40 |
|
| 41 |
void RvuWidget::getPosition(int *x, int *y)
|
| 42 |
{
|
| 43 |
this->m_do_pick = true;
|
| 44 |
while(this->m_do_pick)
|
| 45 |
{
|
| 46 |
QApplication::processEvents();
|
| 47 |
}
|
| 48 |
*x = m_x;
|
| 49 |
*y = m_y;
|
| 50 |
}
|
| 51 |
|
| 52 |
void RvuWidget::paintEvent(QPaintEvent *)
|
| 53 |
{
|
| 54 |
QPainter painter(this);
|
| 55 |
// Draw QImage
|
| 56 |
painter.drawPixmap(0, 0, *m_image);
|
| 57 |
|
| 58 |
// Draw the crosshairs
|
| 59 |
painter.setPen(QColor(0, 255, 0));
|
| 60 |
painter.drawLine(m_x - 10, m_y, m_x + 10, m_y);
|
| 61 |
painter.drawLine(m_x, m_y - 10, m_x, m_y + 10);
|
| 62 |
}
|
| 63 |
|
| 64 |
void RvuWidget::mousePressEvent(QMouseEvent *event)
|
| 65 |
{
|
| 66 |
if (event->button() == Qt::LeftButton)
|
| 67 |
{
|
| 68 |
this->m_do_pick = false;
|
| 69 |
// Set the cursor position
|
| 70 |
m_x = event->x();
|
| 71 |
m_y = event->y();
|
| 72 |
}
|
| 73 |
this->repaint();
|
| 74 |
}
|
| 75 |
|
| 76 |
void RvuWidget::setPosition(int x, int y)
|
| 77 |
{
|
| 78 |
m_x = x;
|
| 79 |
m_y = y;
|
| 80 |
this->repaint();
|
| 81 |
}
|
