#include "scrollpicview.hpp"

ScrollPicView::ScrollPicView(QWidget * parent) : QGraphicsView(parent) {

ui.setupUi(this);

scene = new QGraphicsScene;

this->verticalScrollBar()->setTracking(true);

this->horizontalScrollBar()->setTracking(true);

this->setFocusPolicy(Qt::ClickFocus);

}

ScrollPicView::~ScrollPicView() {

}

void ScrollPicView::updateview(QImage *image)

{

scene->clear();

//this->setFixedSize(QSize(image.width(),image.height()));

scene->addPixmap(QPixmap::fromImage(*image));

W = ((*image).width() >= this->geometry().width()) ? (*image).width()

: this->geometry().width();

H = ((*image).height() >= this->geometry().height()) ? (*image).height()

: this->geometry().height();

scene->setSceneRect(0,0,W,H);

if (grid) {

QPen pen;

pen.setStyle(Qt::DashLine);

pen.setColor(Qt::white);

int x_posi = 0;

while (x_posi < W) {

scene->addLine(QLineF(x_posi + settings[0] * ratio[0], 0,

x_posi + settings[0] * ratio[0], H),

pen);

int y_posi = 0;

while (y_posi<H)

{

scene->addLine(QLineF(0, y_posi + settings[1] * ratio[1],

W, y_posi + settings[1] * ratio[1]),

pen);

y_posi += settings[1] * ratio[1];

}

x_posi += settings[0] * ratio[0];

}

}

this->setScene(scene);

this->show();

}