1.2 本节内容概要: Antialiasing Sampling theory Antialiasing in practice Visibility / occlusion Z-buffering...一种反走样(Antialiasing)的方法是对原图先做模糊处理(滤波),然后再采样。...image.png (注意:上图表示的是频域上的信号表示,横轴表示频率,纵轴表示幅度,即信号强度) 3.6 反走样(Antialiasing) 上面介绍了走样发生的原因,那么如何反走样呢?...Antialiasing By Supersampling (MSAA) 上面对每个像素内部做平均计算不太好计算,所以一种改进的算法MSAA诞生了。
❞ 使用QPainter抗锯齿 QPainter painter(this); /* 尽可能消除锯齿边缘 */ painter.setRenderHint(QPainter::Antialiasing)...TextAntialiasing); /* 启用线性插值算法以此来平滑图片 */ painter.setRenderHint(QPainter::SmoothPixmapTransform); 启用antialiasing...属性 QML中所有继承于Item的元素都具备antialiasing属性(默认不启用)。...如: Rectangle { antialiasing: true } 所有继承于QQuickItem类都具备设置抗锯齿属性(默认不启用)。
root.leftPadding anchors.verticalCenter: parent.verticalCenter width: 26; height: width antialiasing...anchors.centerIn: parent width: parent.width*0.7; height: width antialiasing...root.leftPadding anchors.verticalCenter: parent.verticalCenter width: 26; height: width antialiasing...anchors.centerIn: parent width: parent.width*0.7; height: width antialiasing
height); pixmap.fill(Qt::transparent); QPainter painter(&pixmap); painter.setRenderHint(QPainter::Antialiasing...radius); pixmap.fill(Qt::transparent); QPainter painter(&pixmap); painter.setRenderHint(QPainter::Antialiasing...height); pixmap.fill(Qt::transparent); QPainter painter(&pixmap); painter.setRenderHint(QPainter::Antialiasing...height); pixmap.fill(Qt::transparent); QPainter painter(&pixmap); painter.setRenderHint(QPainter::Antialiasing
Widget::paintEvent(QPaintEvent *) { QPainter painter(this); painter.setRenderHint(QPainter::Antialiasing...Widget::paintEvent(QPaintEvent *) { QPainter painter(this); painter.setRenderHint(QPainter::Antialiasing...Widget::paintEvent(QPaintEvent *) { QPainter painter(this); painter.setRenderHint(QPainter::Antialiasing...Widget::paintEvent(QPaintEvent *) { QPainter painter(this); painter.setRenderHint(QPainter::Antialiasing...Widget::paintEvent(QPaintEvent *) { QPainter painter(this); painter.setRenderHint(QPainter::Antialiasing
ChartView { title: "Two Series, Common Axes" anchors.fill: parent legend.visible: false antialiasing...ChartView { title: "Accurate Historical Data" anchors.fill: parent legend.visible: false antialiasing...ChartView { title: "Numerical Data for Dummies" anchors.fill: parent legend.visible: false antialiasing
QPen(QColor(11,67,127),3)); QRectF rect(40.0, 40.0, 100.0, 100.0); painter.setRenderHint(QPainter:: Antialiasing...QPainter painter(this); painter.setRenderHint(QPainter:: Antialiasing, true); //设置渲染,启动反锯齿 painter.setPen...QPen(QColor(11,67,127),3)); QRectF rect(40.0, 40.0, 100.0, 100.0); painter.setRenderHint(QPainter:: Antialiasing...QPen(QColor(11,67,127),3)); QRectF rect(40.0, 40.0, 100.0, 100.0); painter.setRenderHint(QPainter:: Antialiasing
event) { Q_UNUSED(event); QPainter painter(this); // 反走样 painter.setRenderHint(QPainter::Antialiasing...event) { Q_UNUSED(event); QPainter painter(this); // 反走样 painter.setRenderHint(QPainter::Antialiasing...spanAngle = 120 * 16; QPainter painter(this); // 反走样 painter.setRenderHint(QPainter::Antialiasing...{ Q_UNUSED(event); QPainter painter(this); // 反走样 painter.setRenderHint(QPainter::Antialiasing...{ Q_UNUSED(event); QPainter painter(this); // 反走样 painter.setRenderHint(QPainter::Antialiasing
pixmap.fill(Qt::transparent); QPainter painter(&pixmap); painter.setRenderHint(QPainter::Antialiasing...Donut::paintEvent(QPaintEvent *e) { QPainter painter(this); painter.setRenderHint(QPainter::Antialiasing
设置原点中心后: static int rotate = 0; QPainter painter(this); painter.setRenderHint(QPainter::Antialiasing...QPaintEvent *) { int angle = 0; QPainter painter(this); painter.setRenderHint(QPainter::Antialiasing...QPaintEvent *) { static int rotate = 0; QPainter painter(this); painter.setRenderHint(QPainter::Antialiasing
formatAvatarImage.createGraphics(); //把图片切成一个园 graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING...graphics = formatAvatarImage.createGraphics(); graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING...// 开启抗锯齿 RenderingHints renderingHints = new RenderingHints(RenderingHints.KEY_ANTIALIASING
(Graphics2D) canvas.getGraphics(); // 设置抗锯齿 g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING...//把图片切成一个圓 { graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING...graphics = newAvatar.createGraphics(); graphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING
self.charview.setGeometry(0,0,self.width(),self.height())#设置charview在父窗口的大小、位置 self.charview.setRenderHint(QPainter.Antialiasing...self.charview.setGeometry(0,0,self.width(),self.height())#这一句可以注掉 self.charview.setRenderHint(QPainter.Antialiasing
chart); // this->setCentralWidget( ui->graphicsView); ui->graphicsView->setRenderHint(QPainter::Antialiasing...// 将参数设置到画布 ui->graphicsView->setChart(chart); ui->graphicsView->setRenderHint(QPainter::Antialiasing.../ 将参数设置到画布 ui->graphicsView_2->setChart(chart); ui->graphicsView_2->setRenderHint(QPainter::Antialiasing...// 将参数设置到画布 ui->graphicsView->setChart(chart); ui->graphicsView->setRenderHint(QPainter::Antialiasing
chart); // this->setCentralWidget( ui->graphicsView); ui->graphicsView->setRenderHint(QPainter::Antialiasing...; // 将参数设置到画布 ui->graphicsView->setChart(chart); ui->graphicsView->setRenderHint(QPainter::Antialiasing...// 将参数设置到画布 ui->graphicsView_2->setChart(chart); ui->graphicsView_2->setRenderHint(QPainter::Antialiasing...; // 将参数设置到画布 ui->graphicsView->setChart(chart); ui->graphicsView->setRenderHint(QPainter::Antialiasing
paintEvent(QPaintEvent *) { QPainter painter(this); /* 开启抗锯齿 */ painter.setRenderHint(QPainter::Antialiasing...(QPaintEvent *) { QPainter painter(this); /* 开启抗锯齿功能 */ painter.setRenderHint(QPainter::Antialiasing
售后保障稳定 2.画弧线箭头 关键代码 painter.translate(width()/2,height()/2); painter.setRenderHint(QPainter::Antialiasing...painter.drawLines(lines); painter.translate(width()/2,height()/2); painter.setRenderHint(QPainter::Antialiasing
setMaximumHeight(50); QChartView *chartView = new QChartView(m_chart); chartView->setRenderHint(QPainter::Antialiasing...setMaximumHeight(50); QChartView *chartView = new QChartView(m_chart); chartView->setRenderHint(QPainter::Antialiasing...setMaximumHeight(50); QChartView *chartView = new QChartView(m_chart); chartView->setRenderHint(QPainter::Antialiasing
(event); QPainter painter(this); // 反走样 ,如果不设置,会有肉眼可见的锯齿 painter.setRenderHint(QPainter::Antialiasing...Widget::draw(QRect &rect){ QPainter painter(this); // 反走样 painter.setRenderHint(QPainter::Antialiasing
QPainter painter(this); painter.translate(width()/2, height()/2); painter.setRenderHint(QPainter::Antialiasing
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