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New functions with QT GUI:

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- fix zoom offset of 0.5
- fix CMake problem with QT detection
- Code optimisation
This commit is contained in:
Yannick Verdie
2010-06-25 17:19:11 +00:00
parent 2dcad1eb81
commit 6314cd28cf
3 changed files with 125 additions and 212 deletions
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303
modules/highgui/src/window_QT.cpp
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@@ -436,7 +436,6 @@ CV_IMPL void cvShowImage( const char* name, const CvArr* arr )
//----------OBJECT----------------
GuiReceiver::GuiReceiver() : _bTimeOut(false)
@@ -797,11 +796,11 @@ CvWindow::CvWindow(QString arg, int arg2)
layout->setSpacing(0);
layout->setMargin(0);
layout->addWidget(myview,Qt::AlignCenter);
//layout->addStretch(0);
if (flags == CV_WINDOW_AUTOSIZE)
layout->setSizeConstraint(QLayout::SetFixedSize);
//now status bar
myBar = new QStatusBar;
myBar->setSizeGripEnabled(false);
@@ -933,6 +932,8 @@ ViewPort::ViewPort(CvWindow* arg, int arg2, bool arg3)
setupViewport(centralWidget);
setContentsMargins(0,0,0,0);
//this->setFrameStyle(0);
//this->setFrameShape(QFrame::Box);
setObjectName(QString::fromUtf8("graphicsView"));
timerDisplay = new QTimer(this);
@@ -1048,7 +1049,10 @@ void ViewPort::updateImage(void* arr)
ratioX=float(image2Draw_ipl->width)/float(width());
ratioY=float(image2Draw_ipl->height)/float(height());
//centralWidget->myBar_msg->setMaximumWidth(width());
if (keepRatio)
deltaOffset = computeOffset();
updateGeometry();
}
@@ -1063,6 +1067,16 @@ void ViewPort::setMouseCallBack(CvMouseCallback m, void* param)
on_mouse_param = param;
}
int ViewPort::heightForWidth(int w) const
{
return w*float(image2Draw_ipl->height)/float(image2Draw_ipl->width);
}
bool ViewPort::hasHeightForWidth() const
{
return true;
}
void ViewPort::controlImagePosition()
{
qreal left, top, right, bottom;
@@ -1095,22 +1109,6 @@ void ViewPort::controlImagePosition()
bottom = sizeImage.height();
}
/*
if (keepRatio)
{
cout<<"here"<<endl;
QSize t1(image2Draw_ipl->width, image2Draw_ipl->height);
QSize delta(width(),height());
t1.scale(delta.width(), delta.height(), Qt::KeepAspectRatio);
delta = (delta - t1)/2;
//left += delta.width();
//right += delta.width();
//top += delta.height();
//bottom += delta.height();
matrixWorld.translate(delta.width(),delta.height());
}
*/
//save corner position
positionCorners.setTopLeft(QPoint(left,top));
positionCorners.setBottomRight(QPoint(right,bottom));
@@ -1164,53 +1162,11 @@ void ViewPort::wheelEvent(QWheelEvent *event)
void ViewPort::mousePressEvent(QMouseEvent *event)
{
int cv_event = -1, flags = 0;
QPoint pt = event->pos()+deltaOffset;
QPoint pt = event->pos();
switch(event->modifiers())
{
case Qt::ShiftModifier:
flags = CV_EVENT_FLAG_SHIFTKEY;
break;
case Qt::ControlModifier:
flags = CV_EVENT_FLAG_CTRLKEY;
break;
case Qt::AltModifier:
flags = CV_EVENT_FLAG_ALTKEY;
break;
case Qt::NoModifier :
break;
case Qt::MetaModifier:
break;
case Qt::KeypadModifier:
break;
default:;
}
switch(event->button())
{
case Qt::LeftButton:
cv_event = CV_EVENT_LBUTTONDOWN;
flags |= CV_EVENT_FLAG_LBUTTON;
break;
case Qt::RightButton:
cv_event = CV_EVENT_RBUTTONDOWN;
flags |= CV_EVENT_FLAG_RBUTTON;
break;
case Qt::MidButton:
cv_event = CV_EVENT_MBUTTONDOWN;
flags |= CV_EVENT_FLAG_MBUTTON;
break;
default:;
}
//to convert mouse coordinate
matrixWorld_inv.map(pt.x(),pt.y(),&mouseCoordinate.rx(),&mouseCoordinate.ry());
mouseCoordinate.rx()*=ratioX;
mouseCoordinate.ry()*=ratioY;
if (on_mouse)
on_mouse( cv_event, mouseCoordinate.x(),mouseCoordinate.y(), flags, on_mouse_param );
//icvmouseHandler: pass parameters for cv_event, flags
icvmouseHandler(event, mouse_down, cv_event, flags);
icvmouseProcessing(QPointF(pt), cv_event, flags);
if (matrixWorld.m11()>1)
{
@@ -1225,53 +1181,11 @@ void ViewPort::mouseReleaseEvent(QMouseEvent *event)
{
int cv_event = -1, flags = 0;
QPoint pt = event->pos()+deltaOffset;
switch(event->modifiers())
{
case Qt::ShiftModifier:
flags = CV_EVENT_FLAG_SHIFTKEY;
break;
case Qt::ControlModifier:
flags = CV_EVENT_FLAG_CTRLKEY;
break;
case Qt::AltModifier:
flags = CV_EVENT_FLAG_ALTKEY;
break;
case Qt::NoModifier :
break;
case Qt::MetaModifier:
break;
case Qt::KeypadModifier:
break;
default:;
}
switch(event->button())
{
case Qt::LeftButton:
cv_event = CV_EVENT_LBUTTONUP;
flags |= CV_EVENT_FLAG_LBUTTON;
break;
case Qt::RightButton:
cv_event = CV_EVENT_RBUTTONUP;
flags |= CV_EVENT_FLAG_RBUTTON;
break;
case Qt::MidButton:
cv_event = CV_EVENT_MBUTTONUP;
flags |= CV_EVENT_FLAG_MBUTTON;
break;
default:;
}
//to convert mouse coordinate
matrixWorld_inv.map(pt.x(),pt.y(),&mouseCoordinate.rx(),&mouseCoordinate.ry());
mouseCoordinate.rx()*=ratioX;
mouseCoordinate.ry()*=ratioY;
if (on_mouse)
on_mouse( cv_event, mouseCoordinate.x(),mouseCoordinate.y(), flags, on_mouse_param );
QPoint pt = event->pos();
//icvmouseHandler: pass parameters for cv_event, flags
icvmouseHandler(event, mouse_up, cv_event, flags);
icvmouseProcessing(QPointF(pt), cv_event, flags);
if (matrixWorld.m11()>1)
setCursor(Qt::OpenHandCursor);
@@ -1282,52 +1196,11 @@ void ViewPort::mouseReleaseEvent(QMouseEvent *event)
void ViewPort::mouseDoubleClickEvent(QMouseEvent *event)
{
int cv_event = -1, flags = 0;
QPoint pt = event->pos()+deltaOffset;
switch(event->modifiers())
{
case Qt::ShiftModifier:
flags = CV_EVENT_FLAG_SHIFTKEY;
break;
case Qt::ControlModifier:
flags = CV_EVENT_FLAG_CTRLKEY;
break;
case Qt::AltModifier:
flags = CV_EVENT_FLAG_ALTKEY;
break;
case Qt::NoModifier :
break;
case Qt::MetaModifier:
break;
case Qt::KeypadModifier:
break;
default:;
}
switch(event->button())
{
case Qt::LeftButton:
cv_event = CV_EVENT_LBUTTONDBLCLK;
flags |= CV_EVENT_FLAG_LBUTTON;
break;
case Qt::RightButton:
cv_event = CV_EVENT_RBUTTONDBLCLK;
flags |= CV_EVENT_FLAG_RBUTTON;
break;
case Qt::MidButton:
cv_event = CV_EVENT_MBUTTONDBLCLK;
flags |= CV_EVENT_FLAG_MBUTTON;
break;
default:;
}
//to convert mouse coordinate
matrixWorld_inv.map(pt.x(),pt.y(),&mouseCoordinate.rx(),&mouseCoordinate.ry());
mouseCoordinate.rx()*=ratioX;
mouseCoordinate.ry()*=ratioY;
if (on_mouse)
on_mouse( cv_event, mouseCoordinate.x(),mouseCoordinate.y(), flags, on_mouse_param );
QPoint pt = event->pos();
//icvmouseHandler: pass parameters for cv_event, flags
icvmouseHandler(event, mouse_dbclick, cv_event, flags);
icvmouseProcessing(QPointF(pt), cv_event, flags);
QWidget::mouseDoubleClickEvent(event);
}
@@ -1335,51 +1208,11 @@ void ViewPort::mouseDoubleClickEvent(QMouseEvent *event)
void ViewPort::mouseMoveEvent(QMouseEvent *event)
{
int cv_event = -1, flags = 0;
QPoint pt = event->pos()-deltaOffset;
switch(event->modifiers())
{
case Qt::ShiftModifier:
flags = CV_EVENT_FLAG_SHIFTKEY;
break;
case Qt::ControlModifier:
flags = CV_EVENT_FLAG_CTRLKEY;
break;
case Qt::AltModifier:
flags = CV_EVENT_FLAG_ALTKEY;
break;
case Qt::NoModifier :
break;
case Qt::MetaModifier:
break;
case Qt::KeypadModifier:
break;
default:;
}
cv_event = CV_EVENT_MOUSEMOVE;
switch(event->buttons())
{
case Qt::LeftButton:
flags |= CV_EVENT_FLAG_LBUTTON;
break;
case Qt::RightButton:
flags |= CV_EVENT_FLAG_RBUTTON;
break;
case Qt::MidButton:
flags |= CV_EVENT_FLAG_MBUTTON;
break;
default:;
}
//to convert mouse coordinate
matrixWorld_inv.map(pt.x(),pt.y(),&mouseCoordinate.rx(),&mouseCoordinate.ry());
mouseCoordinate.rx()*=ratioX;
mouseCoordinate.ry()*=ratioY;
if (on_mouse)
on_mouse( cv_event, mouseCoordinate.x(),mouseCoordinate.y(), flags, on_mouse_param );
QPoint pt = event->pos();
//icvmouseHandler: pass parameters for cv_event, flags
icvmouseHandler(event, mouse_move, cv_event, flags);
icvmouseProcessing(QPointF(pt), cv_event, flags);
if (matrixWorld.m11()>1 && event->buttons() == Qt::LeftButton)
@@ -1390,17 +1223,71 @@ void ViewPort::mouseMoveEvent(QMouseEvent *event)
moveView(dxy);
}
//I update the statusbar here because if the user does a cvWaitkey(0) (like with inpaint.cpp)
//the status bar will be repaint only when a click occurs.
//the status bar will only be repaint when a click occurs.
viewport()->update();
QWidget::mouseMoveEvent(event);
}
//up, down, dclick, move
void ViewPort::icvmouseHandler(QMouseEvent *event, type_mouse_event category, int &cv_event, int &flags)
{
switch(event->modifiers())
{
case Qt::ShiftModifier:
flags = CV_EVENT_FLAG_SHIFTKEY;
break;
case Qt::ControlModifier:
flags = CV_EVENT_FLAG_CTRLKEY;
break;
case Qt::AltModifier:
flags = CV_EVENT_FLAG_ALTKEY;
break;
case Qt::NoModifier :
break;
case Qt::MetaModifier:
break;
case Qt::KeypadModifier:
break;
default:;
}
switch(event->button())
{
case Qt::LeftButton:
cv_event = tableMouseButtons[category][0];
flags |= CV_EVENT_FLAG_LBUTTON;
break;
case Qt::RightButton:
cv_event = tableMouseButtons[category][1];
flags |= CV_EVENT_FLAG_RBUTTON;
break;
case Qt::MidButton:
cv_event = tableMouseButtons[category][2];
flags |= CV_EVENT_FLAG_MBUTTON;
break;
default:;
}
}
void ViewPort::icvmouseProcessing(QPointF pt, int cv_event, int flags)
{
//to convert mouse coordinate
qreal pfx, pfy;
matrixWorld_inv.map(pt.x(),pt.y(),&pfx,&pfy);
mouseCoordinate.rx()=floor((pfx-deltaOffset.x())*ratioX);
mouseCoordinate.ry()=floor((pfy-deltaOffset.y())*ratioY);
if (on_mouse)
on_mouse( cv_event, mouseCoordinate.x(),mouseCoordinate.y(), flags, on_mouse_param );
}
QSize ViewPort::sizeHint() const
{
//return QSize(width(),width()/2);
if(image2Draw_ipl)
{
return QSize(image2Draw_ipl->width,image2Draw_ipl->height);
@@ -1424,12 +1311,13 @@ void ViewPort::resizeEvent ( QResizeEvent *event)
ratioX=float(image2Draw_ipl->width)/float(width());
ratioY=float(image2Draw_ipl->height)/float(height());
if(keepRatio)
deltaOffset = computeOffset();
return QGraphicsView::resizeEvent(event);
}
void ViewPort::paintEvent(QPaintEvent* event)
{
QPainter myPainter(viewport());
@@ -1479,11 +1367,12 @@ void ViewPort::draw2D(QPainter *painter)
void ViewPort::drawStatusBar()
{
//centralWidget->myBar_msg->setMaximumWidth(width());
//CvScalar value = cvGet2D(image2Draw_ipl,mouseCoordinate.y(),mouseCoordinate.x());
QRgb rgbValue = image2Draw_qt.pixel(mouseCoordinate);
centralWidget->myBar_msg->setText(tr("<font color='black'>Coordinate: %1x%2 ~ </font>")
.arg(mouseCoordinate.x())
.arg(mouseCoordinate.y())+
.arg(mouseCoordinate.x())
.arg(mouseCoordinate.y())+
tr("<font color='red'>R:%3 </font>").arg(qRed(rgbValue))+//.arg(value.val[0])+
tr("<font color='green'>G:%4 </font>").arg(qGreen(rgbValue))+//.arg(value.val[1])+
tr("<font color='blue'>B:%5</font>").arg(qBlue(rgbValue))//.arg(value.val[2])