window.cpp 范例文件

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(); }