app/draw.cpp


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

#include "draw.hpp"
#include <qpainter.h>
#include <qglobal.h>
#include <qimage.h>
#include <qrgb.h>
#include <qtimer.h>
#include <qwindowdefs.h>
#include <iostream>

DrawWidget::DrawWidget(const Config &conf) : 
    QWidget(), m_conf(conf) {
    m_drawbuffer = new QRgb[conf.m_width * conf.m_height];

    m_img = QImage((uchar*)m_drawbuffer, conf.m_width, conf.m_height, QImage::Format_ARGB32);
}

void DrawWidget::paintEvent(QPaintEvent*) {
    QPainter painter(this);
    painter.drawImage(0, 0, m_img);
}

void DrawWidget::redraw() {
    repaint();
}

DrawWidget::~DrawWidget() {
    delete[] m_drawbuffer;
}