#ifndef DISPLAYWIDGET_H
#define DISPLAYWIDGET_H
#include <QtWidgets/QWidget>
#include <qpixmap.h>
#include <QGraphicsScene>
#include <QGraphicsView>
#include <QGraphicsPixmapItem>
#include <QPushButton>
#include <QHBoxLayout>
#include <qtimer.h>
#include <qlabel.h>
#define FULLSCALE 255
#define IM_X_MIN -5.0
#define IM_X_MAX 5.0
#define IM_Z_MIN 0.0
#define IM_Z_MAX 15.0
#define IM_PIXEL_WIDTH 200
#define IM_PIXEL_HEIGHT IM_PIXEL_WIDTH * (IM_Z_MAX-IM_Z_MIN)/(IM_X_MAX - IM_X_MIN)
#define BORDER_WIDTH 10
#define RAND_SEED 7
class DisplayWidget
: public QWidget {
Q_OBJECT
public:
DisplayWidget
(int width,
int height,
QWidget *parent
= 0);
~DisplayWidget();
private:
void CreateWidgets();
void SetupGui();
int w, h;
public slots:
void GenerateNewData();
};
#endif // DISPLAYWIDGET_H
#ifndef DISPLAYWIDGET_H
#define DISPLAYWIDGET_H
#include <QtWidgets/QWidget>
#include <qpixmap.h>
#include <QGraphicsScene>
#include <QGraphicsView>
#include <QGraphicsPixmapItem>
#include <QPushButton>
#include <QHBoxLayout>
#include <qtimer.h>
#include <qlabel.h>
#define FULLSCALE 255
#define IM_X_MIN -5.0
#define IM_X_MAX 5.0
#define IM_Z_MIN 0.0
#define IM_Z_MAX 15.0
#define IM_PIXEL_WIDTH 200
#define IM_PIXEL_HEIGHT IM_PIXEL_WIDTH * (IM_Z_MAX-IM_Z_MIN)/(IM_X_MAX - IM_X_MIN)
#define BORDER_WIDTH 10
#define RAND_SEED 7
class DisplayWidget : public QWidget
{
Q_OBJECT
public:
DisplayWidget(int width, int height, QWidget *parent = 0);
~DisplayWidget();
private:
QLabel *bimageLabel;
QLabel *dimageLabel;
QImage * bImage;
QImage * dImage;
QTimer * frameGrab;
QPushButton * debugButton;
void CreateWidgets();
void SetupGui();
int w, h;
public slots:
void GenerateNewData();
};
#endif // DISPLAYWIDGET_H
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#include "displaywidget.h"
DisplayWidget
::DisplayWidget(int width,
int height,
QWidget *parent
): QWidget(parent
) {
//ui.setupUi(this);
w = width;
h = height;
CreateWidgets();
SetupGui();
// seed the random number generator
srand(RAND_SEED);
GenerateNewData();
}
DisplayWidget::~DisplayWidget()
{
}
void DisplayWidget::CreateWidgets()
{
bimageLabel
= new QLabel(this);
dimageLabel
= new QLabel(this);
bimageLabel->setStyleSheet("QLabel {background-color: black};");
dimageLabel->setStyleSheet("QLabel {background-color: white};");
}
void DisplayWidget::SetupGui()
{
setLayout(layout); // commenting this line out makes it refresh
layout->addWidget(bimageLabel);
layout->addWidget(dimageLabel);
layout->addWidget(debugButton);
connect(frameGrab, SIGNAL(timeout()),this, SLOT(GenerateNewData()));
connect(debugButton, SIGNAL(clicked()), this, SLOT(GenerateNewData()));
frameGrab->start(50);
}
void DisplayWidget::GenerateNewData()
{
QRgb * bImageData = (QRgb *)bImage->scanLine(0);
QRgb * dImageData = (QRgb *)dImage->scanLine(0);
for (int i; i < w * h; i++)
{
bImageData[i] = qRgba(rand() % FULLSCALE, 0, 0, FULLSCALE);
dImageData[i] = qRgba(0, 0, rand() % FULLSCALE, FULLSCALE);
}
bimageLabel
->setPixmap
(QPixmap::fromImage(*bImage
).
scaled(QSize(IM_PIXEL_WIDTH, IM_PIXEL_HEIGHT
)));
dimageLabel
->setPixmap
(QPixmap::fromImage(*dImage
).
scaled(QSize(IM_PIXEL_WIDTH, IM_PIXEL_HEIGHT
)));
//this->update(); // this breaks it again
}
#include "displaywidget.h"
DisplayWidget::DisplayWidget(int width, int height, QWidget *parent): QWidget(parent)
{
//ui.setupUi(this);
w = width;
h = height;
CreateWidgets();
SetupGui();
// seed the random number generator
srand(RAND_SEED);
GenerateNewData();
}
DisplayWidget::~DisplayWidget()
{
}
void DisplayWidget::CreateWidgets()
{
bImage = new QImage(w, h, QImage::Format_ARGB32);
dImage = new QImage(w, h, QImage::Format_ARGB32);
bimageLabel = new QLabel(this);
dimageLabel = new QLabel(this);
debugButton = new QPushButton("DEBUG", this);
bimageLabel->setStyleSheet("QLabel {background-color: black};");
dimageLabel->setStyleSheet("QLabel {background-color: white};");
frameGrab = new QTimer(this);
}
void DisplayWidget::SetupGui()
{
QHBoxLayout * layout = new QHBoxLayout();
setLayout(layout); // commenting this line out makes it refresh
layout->addWidget(bimageLabel);
layout->addWidget(dimageLabel);
layout->addWidget(debugButton);
connect(frameGrab, SIGNAL(timeout()),this, SLOT(GenerateNewData()));
connect(debugButton, SIGNAL(clicked()), this, SLOT(GenerateNewData()));
frameGrab->start(50);
}
void DisplayWidget::GenerateNewData()
{
QRgb * bImageData = (QRgb *)bImage->scanLine(0);
QRgb * dImageData = (QRgb *)dImage->scanLine(0);
for (int i; i < w * h; i++)
{
bImageData[i] = qRgba(rand() % FULLSCALE, 0, 0, FULLSCALE);
dImageData[i] = qRgba(0, 0, rand() % FULLSCALE, FULLSCALE);
}
bimageLabel->setPixmap(QPixmap::fromImage(*bImage).scaled(QSize(IM_PIXEL_WIDTH, IM_PIXEL_HEIGHT)));
dimageLabel->setPixmap(QPixmap::fromImage(*dImage).scaled(QSize(IM_PIXEL_WIDTH, IM_PIXEL_HEIGHT)));
//this->update(); // this breaks it again
}
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