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Diffstat (limited to 'examples/widgets/painting/affine/xform.cpp')
-rw-r--r--examples/widgets/painting/affine/xform.cpp93
1 files changed, 45 insertions, 48 deletions
diff --git a/examples/widgets/painting/affine/xform.cpp b/examples/widgets/painting/affine/xform.cpp
index d7ed2125d2..a18d6fb71b 100644
--- a/examples/widgets/painting/affine/xform.cpp
+++ b/examples/widgets/painting/affine/xform.cpp
@@ -58,27 +58,22 @@
const int alpha = 155;
XFormView::XFormView(QWidget *parent)
- : ArthurFrame(parent)
+ : ArthurFrame(parent),
+ m_pixmap(QPixmap(":res/affine/bg1.jpg"))
{
setAttribute(Qt::WA_MouseTracking);
- m_type = VectorType;
- m_rotation = 0.0;
- m_scale = 1.0;
- m_shear = 0.0;
-
- m_pixmap = QPixmap(":res/affine/bg1.jpg");
- pts = new HoverPoints(this, HoverPoints::CircleShape);
- pts->setConnectionType(HoverPoints::LineConnection);
- pts->setEditable(false);
- pts->setPointSize(QSize(15, 15));
- pts->setShapeBrush(QBrush(QColor(151, 0, 0, alpha)));
- pts->setShapePen(QPen(QColor(255, 100, 50, alpha)));
- pts->setConnectionPen(QPen(QColor(151, 0, 0, 50)));
- pts->setBoundingRect(QRectF(0, 0, 500, 500));
- ctrlPoints << QPointF(250, 250) << QPointF(350, 250);
- pts->setPoints(ctrlPoints);
- connect(pts, &HoverPoints::pointsChanged,
- this,&XFormView::updateCtrlPoints);
+
+ m_hoverPoints = new HoverPoints(this, HoverPoints::CircleShape);
+ m_hoverPoints->setConnectionType(HoverPoints::LineConnection);
+ m_hoverPoints->setEditable(false);
+ m_hoverPoints->setPointSize(QSize(15, 15));
+ m_hoverPoints->setShapeBrush(QBrush(QColor(151, 0, 0, alpha)));
+ m_hoverPoints->setShapePen(QPen(QColor(255, 100, 50, alpha)));
+ m_hoverPoints->setConnectionPen(QPen(QColor(151, 0, 0, 50)));
+ m_hoverPoints->setBoundingRect(QRectF(0, 0, 500, 500));
+ m_hoverPoints->setPoints(m_controlPoints);
+ connect(m_hoverPoints, &HoverPoints::pointsChanged,
+ this, &XFormView::updateControlPoints);
setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
}
@@ -122,7 +117,7 @@ void XFormView::mousePressEvent(QMouseEvent *)
void XFormView::resizeEvent(QResizeEvent *e)
{
- pts->setBoundingRect(rect());
+ m_hoverPoints->setBoundingRect(rect());
ArthurFrame::resizeEvent(e);
}
@@ -145,24 +140,24 @@ void XFormView::paint(QPainter *p)
p->restore();
}
-void XFormView::updateCtrlPoints(const QPolygonF &points)
+void XFormView::updateControlPoints(const QPolygonF &points)
{
- QPointF trans = points.at(0) - ctrlPoints.at(0);
+ QPointF trans = points.at(0) - m_controlPoints.at(0);
if (qAbs(points.at(0).x() - points.at(1).x()) < 10
&& qAbs(points.at(0).y() - points.at(1).y()) < 10)
- pts->setPoints(ctrlPoints);
+ m_hoverPoints->setPoints(m_controlPoints);
if (!trans.isNull()) {
- ctrlPoints[0] = points.at(0);
- ctrlPoints[1] += trans;
- pts->setPoints(ctrlPoints);
+ m_controlPoints[0] = points.at(0);
+ m_controlPoints[1] += trans;
+ m_hoverPoints->setPoints(m_controlPoints);
}
- ctrlPoints = points;
+ m_controlPoints = points;
- QLineF line(ctrlPoints.at(0), ctrlPoints.at(1));
+ QLineF line(m_controlPoints.at(0), m_controlPoints.at(1));
m_rotation = 360 - QLineF(0, 0, 1, 0).angleTo(line);
if (trans.isNull())
- emit rotationChanged(int(m_rotation*10));
+ emit rotationChanged(int(m_rotation * 10));
}
void XFormView::setVectorType()
@@ -222,12 +217,12 @@ void XFormView::setRotation(qreal r)
qreal old_rot = m_rotation;
m_rotation = r;
- QPointF center(pts->points().at(0));
+ QPointF center(m_hoverPoints->points().at(0));
QTransform m;
m.translate(center.x(), center.y());
m.rotate(m_rotation - old_rot);
m.translate(-center.x(), -center.y());
- pts->setPoints(pts->points() * m);
+ m_hoverPoints->setPoints(m_hoverPoints->points() * m);
update();
}
@@ -235,12 +230,12 @@ void XFormView::setRotation(qreal r)
void XFormView::timerEvent(QTimerEvent *e)
{
if (e->timerId() == timer.timerId()) {
- QPointF center(pts->points().at(0));
+ QPointF center(m_hoverPoints->points().at(0));
QTransform m;
m.translate(center.x(), center.y());
m.rotate(0.2);
m.translate(-center.x(), -center.y());
- pts->setPoints(pts->points() * m);
+ m_hoverPoints->setPoints(m_hoverPoints->points() * m);
setUpdatesEnabled(false);
static qreal scale_inc = 0.003;
@@ -253,7 +248,7 @@ void XFormView::timerEvent(QTimerEvent *e)
shear_inc = -shear_inc;
setUpdatesEnabled(true);
- pts->firePointChange();
+ m_hoverPoints->firePointChange();
}
}
@@ -271,16 +266,15 @@ void XFormView::reset()
emit rotationChanged(0);
emit scaleChanged(1000);
emit shearChanged(0);
- ctrlPoints = QPolygonF();
- ctrlPoints << QPointF(250, 250) << QPointF(350, 250);
- pts->setPoints(ctrlPoints);
- pts->firePointChange();
+ m_controlPoints = {{250, 250}, {350, 250}};
+ m_hoverPoints->setPoints(m_controlPoints);
+ m_hoverPoints->firePointChange();
}
void XFormView::drawPixmapType(QPainter *painter)
{
QPointF center(m_pixmap.width() / qreal(2), m_pixmap.height() / qreal(2));
- painter->translate(ctrlPoints.at(0) - center);
+ painter->translate(m_controlPoints.at(0) - center);
painter->translate(center);
painter->rotate(m_rotation);
@@ -289,9 +283,11 @@ void XFormView::drawPixmapType(QPainter *painter)
painter->translate(-center);
painter->drawPixmap(QPointF(0, 0), m_pixmap);
- painter->setPen(QPen(QColor(255, 0, 0, alpha), 0.25, Qt::SolidLine, Qt::FlatCap, Qt::BevelJoin));
+ painter->setPen(QPen(QColor(255, 0, 0, alpha), 0.25,
+ Qt::SolidLine, Qt::FlatCap, Qt::BevelJoin));
painter->setBrush(Qt::NoBrush);
- painter->drawRect(QRectF(0, 0, m_pixmap.width(), m_pixmap.height()).adjusted(-2, -2, 2, 2));
+ painter->drawRect(QRectF(0, 0, m_pixmap.width(),
+ m_pixmap.height()).adjusted(-2, -2, 2, 2));
}
void XFormView::drawTextType(QPainter *painter)
@@ -306,7 +302,7 @@ void XFormView::drawTextType(QPainter *painter)
QFontMetrics fm(f);
QRectF br(fm.boundingRect(m_text));
QPointF center(br.center());
- painter->translate(ctrlPoints.at(0) - center);
+ painter->translate(m_controlPoints.at(0) - center);
painter->translate(center);
painter->rotate(m_rotation);
@@ -316,7 +312,8 @@ void XFormView::drawTextType(QPainter *painter)
painter->fillPath(path, Qt::black);
- painter->setPen(QPen(QColor(255, 0, 0, alpha), 0.25, Qt::SolidLine, Qt::FlatCap, Qt::BevelJoin));
+ painter->setPen(QPen(QColor(255, 0, 0, alpha), 0.25,
+ Qt::SolidLine, Qt::FlatCap, Qt::BevelJoin));
painter->setBrush(Qt::NoBrush);
painter->drawRect(br.adjusted(-1, -1, 1, 1));
}
@@ -324,7 +321,7 @@ void XFormView::drawTextType(QPainter *painter)
void XFormView::drawVectorType(QPainter *painter)
{
QPainterPath path;
- painter->translate(ctrlPoints.at(0) - QPointF(250,250));
+ painter->translate(m_controlPoints.at(0) - QPointF(250,250));
painter->scale(0.77, 0.77);
painter->translate(98.9154 + 30 , -217.691 - 20);
@@ -339,10 +336,10 @@ void XFormView::drawVectorType(QPainter *painter)
painter->setPen(Qt::NoPen);
path.moveTo(120, 470);
- path.lineTo(60+245, 470);
- path.lineTo(60+245, 470+350);
- path.lineTo(60, 470+350);
- path.lineTo(60, 470+80);
+ path.lineTo(60 + 245, 470);
+ path.lineTo(60 + 245, 470 + 350);
+ path.lineTo(60, 470 + 350);
+ path.lineTo(60, 470 + 80);
painter->setBrush(Qt::white);
painter->drawPath(path);
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-25 06:54:53 +0000