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/*
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version
2 of the License, or (at your option) any later version.
*/
#include <QDesktopWidget>
#include <QApplication>
#include <QGraphicsScene>
#include <QGraphicsPixmapItem>
#include <QImage>
#include "pictureviewer2.h"
const QString PictureViewer2::mDefaultFile(":/picgone.png");
PictureViewer2::PictureViewer2(QWidget *parent) : QGraphicsView(parent), mCur(0) {
//behave like QDialog, but don't be one...
setWindowFlags(QFlags<Qt::WindowType>(0x1|0x2|0x1000|0x2000|0x10000|0x8000000));
//setup gui
mScene = new QGraphicsScene(this);
setScene(mScene);
QDesktopWidget *dw = QApplication::desktop();
QSize screenSize = dw->availableGeometry().size();
mMinimunSize = QSize(screenSize.width() - 100, screenSize.height() - 100);
setMinimumSize(mMinimunSize);
move(50, 50);
setVisible(false);
setFile();
}
void PictureViewer2::setFile(const QString file){
QPixmap pixmap(file);
if(pixmap.isNull()){
return;
}
setCurPalette(pixmap);
if((pixmap.height() > height()) || (pixmap.width() > width())){
pixmap = pixmap.scaled(QSize(width() - 3, height() - 10), Qt::KeepAspectRatio, Qt::SmoothTransformation);
}
if(mCur){
mScene->removeItem(mCur);
mCur = 0;
}
mCur = new QGraphicsPixmapItem(pixmap);
mScene->addItem(mCur);
}
void PictureViewer2::setCurPalette(const QPixmap &pic){
QPoint val1 = QPoint(qrand() % pic.width(), qrand() % pic.height());
QPoint val2 = QPoint(qrand() % pic.width(), qrand() % pic.height());
QImage img = pic.toImage();
QColor c1(img.pixel(val1));
QColor c2(img.pixel(val2));
QLinearGradient g(QPoint(0,0), QPoint(rect().bottomRight()));
g.setColorAt(0, c1);
g.setColorAt(1, c2);
setBackgroundBrush(QBrush(g));
}
QSize PictureViewer2::sizeHint() const{
return mMinimunSize;
}
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