Qt 5.9 | Qt SVG | SVG Generator Example | window.cpp Example File

Qt 5.9.2 Reference Documentation

# window.cpp Example File

svggenerator/window.cpp

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      #include <QColorDialog>
      #include <QFileDialog>
      #include <QPainter>
      #include <QSvgGenerator>
      #include "window.h"
      #include "displaywidget.h"

      Window::Window(QWidget *parent)
          : QWidget(parent)
      {
          setupUi(this);
      }

      void Window::updateBackground(int background)
      {
          displayWidget->setBackground(DisplayWidget::Background(background));
      }

      void Window::updateColor()
      {
          QColor color = QColorDialog::getColor(displayWidget->color());
          if (color.isValid())
              displayWidget->setColor(color);
      }

      void Window::updateShape(int shape)
      {
          displayWidget->setShape(DisplayWidget::Shape(shape));
      }

      void Window::saveSvg()
      {
          QString newPath = QFileDialog::getSaveFileName(this, tr("Save SVG"),
              path, tr("SVG files (*.svg)"));

          if (newPath.isEmpty())
              return;

          path = newPath;

          QSvgGenerator generator;
          generator.setFileName(path);
          generator.setSize(QSize(200, 200));
          generator.setViewBox(QRect(0, 0, 200, 200));
          generator.setTitle(tr("SVG Generator Example Drawing"));
          generator.setDescription(tr("An SVG drawing created by the SVG Generator "
                                      "Example provided with Qt."));
          QPainter painter;
          painter.begin(&generator);
          displayWidget->paint(painter);
          painter.end();
      }