int main(int argc, char *argv[])
{
QApplication a{argc, argv};
QLabel label;
QPicture pic;
pic.setBoundingRect({-100, -100, 200, 200});
QPainter p(&pic);
const QPointF pt;
p.drawEllipse(pt, 3, 3);
p.setFont({"Helvetica", 40});
p.setPen({128, 0, 0, 128});
drawText(p, pt, Qt::AlignBottom, "_LB");
drawText(p, pt, Qt::AlignVCenter, "_LC");
drawText(p, pt, Qt::AlignTop, "_LT");
p.setPen({0, 128, 0, 128});
drawText(p, pt, Qt::AlignBottom | Qt::AlignHCenter, "MB");
drawText(p, pt, Qt::AlignVCenter | Qt::AlignHCenter, "MC");
drawText(p, pt, Qt::AlignTop | Qt::AlignHCenter, "MT");
p.setPen({0, 0, 128, 128});
drawText(p, pt, Qt::AlignBottom | Qt::AlignRight, "RB_");
drawText(p, pt, Qt::AlignVCenter | Qt::AlignRight, "RC_");
drawText(p, pt, Qt::AlignTop | Qt::AlignRight, "RT_");
p.end();
label.setPicture(pic);
label.show();
return a.exec();
}
bool loadThemeFromBlob(const QString &themeBlob,
QHash<QString, QPicture> &partPictures,
QHash<QPair<QString, int>, QColor> &colors)
{
QFile blob(themeBlob);
if (!blob.open(QIODevice::ReadOnly)) {
qWarning() << __FUNCTION__ << ": Could not read blob: " << themeBlob;
return false;
}
QDataStream blobIn(&blob);
quint32 version;
blobIn >> version;
if (version != blobVersion) {
qWarning() << __FUNCTION__ << ": Invalid blob version: " << version << " ...expected: " << blobVersion;
return false;
}
QByteArray data;
blobIn >> data;
data = qUncompress(data);
QBuffer dataBuffer(&data);
dataBuffer.open(QIODevice::ReadOnly);
QDataStream dataIn(&dataBuffer);
int colorsCount;
dataIn >> colorsCount;
for (int i = 0; i < colorsCount; ++i) {
QPair<QString, int> key;
dataIn >> key;
QColor value;
dataIn >> value;
colors.insert(key, value);
}
int picturesCount;
dataIn >> picturesCount;
for (int i = 0; i < picturesCount; ++i) {
QString key;
dataIn >> key;
QPicture value;
dataIn >> value;
value.setBoundingRect(QRect(0, 0, pictureSize, pictureSize)); // Bug? The forced bounding rect was not deserialized.
partPictures.insert(key, value);
}
if (dataIn.status() != QDataStream::Ok) {
qWarning() << __FUNCTION__ << ": Invalid data blob: " << themeBlob;
return false;
}
return true;
}
void FLReportViewer::saveSVGStyle()
{
if (report) {
QString fileName = QFileDialog::getSaveFileName("", tr("Fichero SVG (*.svg)"), this, tr("Guardar en SVG"),
tr("Guardar en SVG"));
if (fileName.isEmpty())
return;
if (!fileName.upper().contains(".SVG"))
fileName += ".svg";
if (QFile::exists(fileName)
&& QMessageBox::question(this, tr("Sobreescribir %1").arg(fileName),
tr("Ya existe un fichero llamado %1. ¿ Desea sobreescribirlo ?").arg(fileName),
tr("&Sí"), tr("&No"), QString::null, 0, 1))
return;
FLStylePainter::setSVGMode(true);
updateReport();
FLStylePainter::setSVGMode(false);
QStringList fileNames;
QString fname;
QPicture *page;
QSize psize;
for (int i = 0; i < report->pageCount(); ++i) {
fname = fileName + QString::number(i);
fileNames.append(fname);
page = report->getPageAt(i);
psize = report->pageDimensions();
page->setBoundingRect(QRect(QPoint(0, 0), psize));
page->save(fname, "svg");
}
FLStylePainter::normalizeSVGFile(fileName, fileNames);
updateReport();
}
}
void MainWindow::on_divideButton_clicked()
{
cubeRow = ui->cubeRow->value();
cubeCol = ui->cubeCol->value();
if(cubeRow*cubeCol >= 4 && !filename.isEmpty() && image_origin.rows >= cubeRow*3 && image_origin.cols >= cubeCol*3)
{
//I. divide image
//1.prepare
//int largeSquare = (int)floor(sqrt(cubeNum));//get the largest square that can be made
//qDebug() << "largeSquare:" <<largeSquare;
float picRatio = (float)image_origin.rows / (float)image_origin.cols;//row行数col列数
//qDebug() << "picRatio:" <<picRatio;
float cubeRatio = (float)cubeRow / (float)cubeCol;
int scale, fixedCol, fixedRow;
if(picRatio >= cubeRatio)//row long
{
scale = image_origin.cols/(cubeCol*3);//img size devide cube's totol col
fixedRow = scale*cubeRow*3;//set the size corresponding cube's
fixedCol = scale*cubeCol*3;
}
else//col long
{
scale = image_origin.rows/(cubeRow*3);
fixedRow = scale*cubeRow*3;
fixedCol = scale*cubeCol*3;
}
int removeRows = image_origin.rows - fixedRow;
int removeCols = image_origin.cols - fixedCol;
//qDebug()<<"scale:"<<scale<<" row:"<<fixedRow<<" col:"<<fixedCol<<" Original resolution:"<<image_origin.rows<<image_origin.cols<<" remove:"<<removeRows<<removeCols;
int removeRows_top,removeRows_down,removeCols_left,removeCols_right;
if(removeRows%2 != 0)//the remove num of rows is not even number
{
//up need remove one more than down
removeRows_top = removeRows/2 + 1;
removeRows_down = removeRows/2;
}
else
removeRows_top = removeRows_down = removeRows/2;
if(removeCols%2 != 0)//the remove num of cols is not even number
{
//left need remove one more than right
removeCols_left = removeCols/2 + 1;
removeCols_right = removeCols/2;
}
else
removeCols_left = removeCols_right = removeCols/2;
//qDebug()<<"removeRow_fixed:"<<removeRows_top<<removeRows_down<<"removeCol_fixed:"<<removeCols_left<<removeCols_right;
cv::Mat fixedImage = image_origin(Rect(removeCols_left,removeRows_top,fixedCol,fixedRow));//改好大小的图片
//resize the image
cv::Size dsize = cv::Size(cubeCol*3,cubeRow*3);//Image resolution of the match cube ratio
//cv::Mat image_resize = fixedImage;
cv::resize(fixedImage, image_resize, dsize);
image_resize = changeRubixColor(image_resize);
cv::cvtColor(image_resize, image_resize, CV_BGR2RGB);
//image_resize---->this is what we want!!!!
QImage QimgResize = QImage((const unsigned char*)(image_resize.data),image_resize.cols,image_resize.rows, image_resize.cols*image_resize.channels(), QImage::Format_RGB888);
//qDebug() << "QimgResizeRect:" << QimgResize.rect();
ui->picLabel->clear();
imgScaled = QimgResize.scaled(ui->picLabel->size(),Qt::KeepAspectRatio);
//qDebug() << "imgScaledRect:" << imgScaled.rect();
ui->picLabel->setPixmap(QPixmap::fromImage(imgScaled));//image insert into label
/*--------------------------drawing grids----------------------------*/
QPicture picture;
QPainter painter;
QPen pen_thick,pen_thin;
pen_thick.setWidth(3);
pen_thick.setColor(Qt::gray);
pen_thin.setWidth(1);
pen_thin.setColor(Qt::gray);
painter.begin(&picture);
picture.setBoundingRect(imgScaled.rect()); //set the boundary of painting
//draw col line
painter.setPen(pen_thin);
for(int i = 0; i <= cubeCol*3; i++)
painter.drawLine(QLineF((float)imgScaled.rect().width()/cubeCol/3.0*i, 0, (float)imgScaled.rect().width()/cubeCol/3.0*i, imgScaled.rect().height()));
painter.setPen(pen_thick);
for(int i = 0; i <= cubeCol; i++)
painter.drawLine(QLineF((float)imgScaled.rect().width()/cubeCol*i, 0, (float)imgScaled.rect().width()/cubeCol*i, imgScaled.rect().height()));
//draw row line
painter.setPen(pen_thin);
for(int i = 0; i <= cubeRow*3; i++)
painter.drawLine(QLineF(0, (float)imgScaled.rect().height()/cubeRow/3.0*i, imgScaled.rect().width(), (float)imgScaled.rect().height()/cubeRow/3.0*i));
painter.setPen(pen_thick);
for(int i = 0; i <= cubeRow; i++)
painter.drawLine(QLineF(0, (float)imgScaled.rect().height()/cubeRow*i, imgScaled.rect().width(), (float)imgScaled.rect().height()/cubeRow*i));
painter.end();
picture.save("draw_record.pic");
ui->picLabelUp->setPicture(picture);
}
else if(cubeRow*cubeCol < 4)
{
int ret = QMessageBox::warning(this, "Warning", "The number of cubes is at least four!", QMessageBox::Abort);
if (ret == QMessageBox::Abort)
qDebug() << "WARNING!!";
}
else if(filename.isEmpty())
{
int ret = QMessageBox::warning(this, "Warning", "You need choose an image file!", QMessageBox::Abort);
if (ret == QMessageBox::Abort)
qDebug() << "WARNING!!";
}
else if(image_origin.rows < cubeRow*3 || image_origin.cols < cubeCol*3)
{
int ret = QMessageBox::warning(this, "Warning", "Too many cubes!", QMessageBox::Abort);
if (ret == QMessageBox::Abort)
qDebug() << "WARNING!!";
}
}
void SvgCanvas::actionExport_to_callback()
{
QDialog dialog;
ExportToDialog export_to_dialog;
export_to_dialog.setupUi(&dialog);
QListWidget *list = export_to_dialog.formats_listWidget;
QListWidgetItem *item;
//Pixmaps formats
QList<QByteArray> formats=QImageWriter::supportedImageFormats();
for(int i=0;i<formats.size();i++)
{
QString text(formats[i]);
item=new QListWidgetItem(text,list);
item->setData(1,QVariant(PIXMAP));
}
//Vector formats
formats= QPicture::outputFormats();
for(int i=0;i<formats.size();i++)
{
QString text(formats[i]);
item=new QListWidgetItem(text,list);
item->setData(1,QVariant(PICTURE));
}
item=new QListWidgetItem("ps",list);
item->setData(1,QVariant(PRINTER));
item=new QListWidgetItem("pdf",list);
item->setData(1,QVariant(PDF));
item=new QListWidgetItem("svg",list);
item->setData(1,QVariant(SVG));
int ok=dialog.exec();
if(ok==QDialog::Rejected) return;
item =list->currentItem();
int format=item->data(1).toInt();
QPainter plot;
switch(format)
{
case PIXMAP:
{
bool ok;
int h, w = QInputDialog::getInteger(this, tr("Width"), tr("Width:"), 300, 0, 2147483647, 1, &ok);
if(!ok) return;
h=QInputDialog::getInteger(this, tr("Height"), tr("Height:"), 200, 0, 2147483647, 1, &ok);
if(!ok) return;
QString s = QFileDialog::getSaveFileName(this, "Choose a filename to save");
if(s.isEmpty()) return;
QImage image(w,h,QImage::Format_RGB32);
plot.begin(&image);
svg_plot->renderer()->render(&plot);
plot.end();
image.save(s,item->data(0).toString().toLocal8Bit().data());
}
break;
case PICTURE:
{
bool ok;
int h, w = QInputDialog::getInteger(this, tr("Width"), tr("Width:"), 300, 0, 2147483647, 1, &ok);
if(!ok) return;
h=QInputDialog::getInteger(this, tr("Height"), tr("Height:"), 200, 0, 2147483647, 1, &ok);
if(!ok) return;
QString s = QFileDialog::getSaveFileName(this, "Choose a filename to save");
if(s.isEmpty()) return;
QPicture image;
const QRect r(0,0,w,h);
image.setBoundingRect(r);
plot.begin(&image);
svg_plot->renderer()->render(&plot);
plot.end();
image.save(s,item->data(0).toString().toLocal8Bit().data());
}
break;
case PRINTER:
{
QPrinter p;
QPrintDialog printDialog(&p, this);
if (printDialog.exec() != QDialog::Accepted) return;
plot.begin(&p);
svg_plot->renderer()->render(&plot);
plot.end();
}
break;
case PDF:
{
QPrinter p;
QPrintDialog printDialog(&p, this);
p.setOutputFormat(QPrinter::PdfFormat);
if (printDialog.exec() != QDialog::Accepted) return;
plot.begin(&p);
svg_plot->renderer()->render(&plot);
plot.end();
}
break;
case SVG:
{
QString fileName = QFileDialog::getSaveFileName(this, tr("Save File"), "", tr("*.svg"));
QSvgGenerator p;
p.setFileName(fileName);
plot.begin(&p);
svg_plot->renderer()->render(&plot);
plot.end();
}
}
}