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C++ QPicture::setBoundingRect方法代码示例

本文整理汇总了C++中QPicture::setBoundingRect方法的典型用法代码示例。如果您正苦于以下问题：C++ QPicture::setBoundingRect方法的具体用法？C++ QPicture::setBoundingRect怎么用？C++ QPicture::setBoundingRect使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QPicture的用法示例。


在下文中一共展示了QPicture::setBoundingRect方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: main

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();
}
开发者ID:KubaO，项目名称:stackoverflown，代码行数:29，代码来源:main.cpp

示例2: loadThemeFromBlob

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;
}
开发者ID:kuailexs，项目名称:symbiandump-mw3，代码行数:53，代码来源:qs60style_simulated.cpp

示例3: saveSVGStyle

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();
  }
}
开发者ID:afibanez，项目名称:eneboo，代码行数:38，代码来源:FLReportViewer.cpp

示例4: on_divideButton_clicked

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);
//.........这里部分代码省略.........
开发者ID:gdc0411，项目名称:M1project，代码行数:101，代码来源:mainwindow.cpp

示例5: actionExport_to_callback

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:
		{
//.........这里部分代码省略.........
开发者ID:OpticaMonografia，项目名称:QtOctave，代码行数:101，代码来源:svgcanvas.cpp


注：本文中的QPicture::setBoundingRect方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。