generic-library/opencv
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New functions with QT GUI:

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- save/load window parameters implemented !
This commit is contained in:
Yannick Verdie
2010-06-29 22:14:24 +00:00
parent 6f10d9cea8
commit 2f4d396506
5 changed files with 416 additions and 301 deletions
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2
modules/highgui/include/opencv2/highgui/highgui.hpp
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@@ -67,6 +67,8 @@ CV_EXPORTS double getWindowProperty(const string& winname, int prop_id);//YV
//Only for QT //Only for QT
CV_EXPORTS void displayOverlay(const string& winname, const string& text, int delayms); CV_EXPORTS void displayOverlay(const string& winname, const string& text, int delayms);
CV_EXPORTS void displayStatusBar(const string& winname, const string& text, int delayms); CV_EXPORTS void displayStatusBar(const string& winname, const string& text, int delayms);
CV_EXPORTS void saveWindowParameters(const string& windowName);
CV_EXPORTS void loadWindowParameters(const string& windowName);
CV_EXPORTS int startLoop(int (*pt2Func)(int argc, char *argv[]), int argc, char* argv[]); CV_EXPORTS int startLoop(int (*pt2Func)(int argc, char *argv[]), int argc, char* argv[]);
CV_EXPORTS void stopLoop(); CV_EXPORTS void stopLoop();

2
modules/highgui/include/opencv2/highgui/highgui_c.h
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@@ -60,6 +60,8 @@ extern "C" {
//-----------New for QT //-----------New for QT
CVAPI(void) cvDisplayOverlay(const char* name, const char* text, int delayms); CVAPI(void) cvDisplayOverlay(const char* name, const char* text, int delayms);
CVAPI(void) cvDisplayStatusBar(const char* name, const char* text, int delayms); CVAPI(void) cvDisplayStatusBar(const char* name, const char* text, int delayms);
CVAPI(void) cvSaveWindowParameters(const char* name);
CVAPI(void) cvLoadWindowParameters(const char* name);
CVAPI(int) cvStartLoop(int (*pt2Func)(int argc, char *argv[]), int argc, char* argv[]); CVAPI(int) cvStartLoop(int (*pt2Func)(int argc, char *argv[]), int argc, char* argv[]);
CVAPI(void) cvStopLoop(); CVAPI(void) cvStopLoop();
//---------------------- //----------------------

10
modules/highgui/src/window.cpp
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@@ -160,6 +160,16 @@ int waitKey(int delay)
return cvWaitKey(delay); return cvWaitKey(delay);
} }
void saveWindowParameters(const string& windowName)
{
cvSaveWindowParameters(windowName.c_str());
}
void loadWindowParameters(const string& windowName)
{
cvLoadWindowParameters(windowName.c_str());
}
int createTrackbar(const string& trackbarName, const string& winName, int createTrackbar(const string& trackbarName, const string& winName,
int* value, int count, TrackbarCallback callback, int* value, int count, TrackbarCallback callback,
void* userdata) void* userdata)

355
modules/highgui/src/window_QT.cpp
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@@ -42,7 +42,6 @@
#ifdef HAVE_QT #ifdef HAVE_QT
#include <window_QT.h> #include <window_QT.h>
#include <QVarLengthArray>
//Static and global first //Static and global first
static GuiReceiver guiMainThread; static GuiReceiver guiMainThread;
@@ -132,6 +131,22 @@ CV_IMPL void cvDisplayOverlay(const char* name, const char* text, int delayms)
} }
CV_IMPL void cvSaveWindowParameters(const char* name)
{
QMetaObject::invokeMethod(&guiMainThread,
"saveWindowParameters",
Qt::AutoConnection,
Q_ARG(QString, QString(name)));
}
CV_IMPL void cvLoadWindowParameters(const char* name)
{
QMetaObject::invokeMethod(&guiMainThread,
"loadWindowParameters",
Qt::AutoConnection,
Q_ARG(QString, QString(name)));
}
CV_IMPL void cvDisplayStatusBar(const char* name, const char* text, int delayms) CV_IMPL void cvDisplayStatusBar(const char* name, const char* text, int delayms)
{ {
@@ -235,7 +250,7 @@ CV_IMPL CvWindow* icvFindWindowByName( const char* arg )
foreach (QWidget *widget, QApplication::topLevelWidgets()) foreach (QWidget *widget, QApplication::topLevelWidgets())
{ {
w = (CvWindow*) widget; w = (CvWindow*) widget;
if (w->name==name) if (w->param_name==name)
{ {
window = w; window = w;
break; break;
@@ -258,8 +273,9 @@ CvTrackbar* icvFindTrackbarByName( const char* name_trackbar, const char* name_w
QString nameQt = QString(name_trackbar); QString nameQt = QString(name_trackbar);
QPointer<CvTrackbar> t; QPointer<CvTrackbar> t;
//Warning ---- , asume the location 0 is myview and max-1 the status bar //Warning ---- , asume the location 0 is myview and max-1 the status bar
for (int i = 1; i < w->layout->layout()->count()-2; ++i) //done three times in the code, in loadtrackbars, savetrackbar and in findtrackbar
for (int i = 1; i < w->layout->layout()->count()-1; ++i)
{ {
t = (CvTrackbar*) w->layout->layout()->itemAt(i); t = (CvTrackbar*) w->layout->layout()->itemAt(i);
@@ -467,6 +483,22 @@ GuiReceiver::GuiReceiver() : _bTimeOut(false)
qApp->setQuitOnLastWindowClosed ( false );//maybe the user would like to access this setting qApp->setQuitOnLastWindowClosed ( false );//maybe the user would like to access this setting
} }
void GuiReceiver::saveWindowParameters(QString name)
{
QPointer<CvWindow> w = icvFindWindowByName( name.toLatin1().data() );
if (w)
w->writeSettings();
}
void GuiReceiver::loadWindowParameters(QString name)
{
QPointer<CvWindow> w = icvFindWindowByName( name.toLatin1().data() );
if (w)
w->readSettings();
}
double GuiReceiver::getRatioWindow(QString name) double GuiReceiver::getRatioWindow(QString name)
{ {
QPointer<CvWindow> w = icvFindWindowByName( name.toLatin1().data() ); QPointer<CvWindow> w = icvFindWindowByName( name.toLatin1().data() );
@@ -504,7 +536,7 @@ double GuiReceiver::getPropWindow(QString name)
if (!w) if (!w)
return -1; return -1;
return (double)w->flags; return (double)w->param_flags;
} }
void GuiReceiver::setPropWindow(QString name, double arg2 ) void GuiReceiver::setPropWindow(QString name, double arg2 )
@@ -516,7 +548,7 @@ void GuiReceiver::setPropWindow(QString name, double arg2 )
int flags = (int) arg2; int flags = (int) arg2;
if (w->flags == flags)//nothing to do if (w->param_flags == flags)//nothing to do
return; return;
@@ -524,11 +556,11 @@ void GuiReceiver::setPropWindow(QString name, double arg2 )
{ {
case CV_WINDOW_NORMAL: case CV_WINDOW_NORMAL:
w->layout->setSizeConstraint(QLayout::SetMinAndMaxSize); w->layout->setSizeConstraint(QLayout::SetMinAndMaxSize);
w->flags = flags; w->param_flags = flags;
break; break;
case CV_WINDOW_AUTOSIZE: case CV_WINDOW_AUTOSIZE:
w->layout->setSizeConstraint(QLayout::SetFixedSize); w->layout->setSizeConstraint(QLayout::SetFixedSize);
w->flags = flags; w->param_flags = flags;
break; break;
default:; default:;
} }
@@ -757,16 +789,16 @@ void CvTrackbar::createDialog()
int max = slider->maximum(); int max = slider->maximum();
int i = QInputDialog::getInt(this->parentWidget(), int i = QInputDialog::getInt(this->parentWidget(),
tr("Slider %1").arg(trackbar_name), tr("Slider %1").arg(trackbar_name),
tr("New value:"), tr("New value:"),
value, value,
min, min,
max, max,
step, step,
&ok); &ok);
if (ok) if (ok)
slider->setValue(i); slider->setValue(i);
} }
@@ -776,7 +808,7 @@ void CvTrackbar::update(int myvalue)
*dataSlider = myvalue; *dataSlider = myvalue;
if (callback) if (callback)
callback(myvalue); callback(myvalue);
} }
void CvTrackbar::setLabel(int myvalue) void CvTrackbar::setLabel(int myvalue)
@@ -796,13 +828,13 @@ CvTrackbar::~CvTrackbar()
CvWindow::CvWindow(QString arg, int arg2) CvWindow::CvWindow(QString arg, int arg2)
{ {
moveToThread(qApp->instance()->thread()); moveToThread(qApp->instance()->thread());
name = arg; param_name = arg;
flags = arg2; param_flags = arg2;
setAttribute(Qt::WA_DeleteOnClose);//in other case, does not release memory setAttribute(Qt::WA_DeleteOnClose);//in other case, does not release memory
setContentsMargins(0,0,0,0); setContentsMargins(0,0,0,0);
setWindowTitle(name); setWindowTitle(param_name);
setObjectName(name); setObjectName(param_name);
resize(400,300); resize(400,300);
@@ -811,22 +843,20 @@ CvWindow::CvWindow(QString arg, int arg2)
myview->setAlignment(Qt::AlignHCenter); myview->setAlignment(Qt::AlignHCenter);
shortcut_r_Zoom = new QShortcut(Qt::CTRL + Qt::Key_P, this); shortcutZ = new QShortcut(Qt::CTRL + Qt::Key_P, this);
QObject::connect( shortcut_r_Zoom, SIGNAL( activated ()),myview, SLOT( resetZoom( ) )); QObject::connect( shortcutZ, SIGNAL( activated ()),myview, SLOT( resetZoom( ) ));
shortcut_imgRegion = new QShortcut(Qt::CTRL + Qt::Key_O, this); shortcutPlus = new QShortcut(QKeySequence(QKeySequence::ZoomIn), this);
QObject::connect( shortcut_imgRegion, SIGNAL( activated ()),myview, SLOT( imgRegion( ) )); QObject::connect( shortcutPlus, SIGNAL( activated ()),myview, SLOT( ZoomIn() ));
shortcut_Plus = new QShortcut(QKeySequence(QKeySequence::ZoomIn), this); shortcutMinus = new QShortcut(QKeySequence(QKeySequence::ZoomOut), this);
QObject::connect( shortcut_Plus, SIGNAL( activated ()),myview, SLOT( ZoomIn() )); QObject::connect(shortcutMinus, SIGNAL( activated ()),myview, SLOT( ZoomOut() ));
shortcut_Minus = new QShortcut(QKeySequence(QKeySequence::ZoomOut), this); shortcutLeft = new QShortcut(Qt::CTRL + Qt::Key_Left, this);
QObject::connect(shortcut_Minus, SIGNAL( activated ()),myview, SLOT( ZoomOut() )); QObject::connect( shortcutLeft, SIGNAL( activated ()),myview, SLOT( siftWindowOnLeft() ));
shortcut_Left = new QShortcut(Qt::CTRL + Qt::Key_Left, this); shortcutRight = new QShortcut(Qt::CTRL + Qt::Key_Right, this);
QObject::connect( shortcut_Left, SIGNAL( activated ()),myview, SLOT( siftWindowOnLeft() )); QObject::connect( shortcutRight, SIGNAL( activated ()),myview, SLOT( siftWindowOnRight() ));
shortcut_Right = new QShortcut(Qt::CTRL + Qt::Key_Right, this); shortcutUp = new QShortcut(Qt::CTRL + Qt::Key_Up, this);
QObject::connect( shortcut_Right, SIGNAL( activated ()),myview, SLOT( siftWindowOnRight() )); QObject::connect(shortcutUp, SIGNAL( activated ()),myview, SLOT( siftWindowOnUp() ));
shortcut_Up = new QShortcut(Qt::CTRL + Qt::Key_Up, this); shortcutDown = new QShortcut(Qt::CTRL + Qt::Key_Down, this);
QObject::connect(shortcut_Up, SIGNAL( activated ()),myview, SLOT( siftWindowOnUp() )); QObject::connect(shortcutDown, SIGNAL( activated ()),myview, SLOT( siftWindowOnDown() ));
shortcut_Down = new QShortcut(Qt::CTRL + Qt::Key_Down, this);
QObject::connect(shortcut_Down, SIGNAL( activated ()),myview, SLOT( siftWindowOnDown() ));
layout = new QBoxLayout(QBoxLayout::TopToBottom); layout = new QBoxLayout(QBoxLayout::TopToBottom);
//layout = new CustomLayout; //layout = new CustomLayout;
@@ -837,8 +867,8 @@ CvWindow::CvWindow(QString arg, int arg2)
layout->addWidget(myview,Qt::AlignCenter); layout->addWidget(myview,Qt::AlignCenter);
//layout->addStretch(0); //layout->addStretch(0);
if (flags == CV_WINDOW_AUTOSIZE) if (param_flags == CV_WINDOW_AUTOSIZE)
layout->setSizeConstraint(QLayout::SetFixedSize); layout->setSizeConstraint(QLayout::SetFixedSize);
//now status bar //now status bar
myBar = new QStatusBar; myBar = new QStatusBar;
@@ -864,29 +894,28 @@ CvWindow::~CvWindow()
if (layout) if (layout)
{ {
while ((child = layout->takeAt(0)) != 0) while ((child = layout->takeAt(0)) != 0)
delete child; delete child;
delete layout; delete layout;
} }
delete myBar; delete myBar;
delete myBar_msg; delete myBar_msg;
delete shortcut_r_Zoom; delete shortcutZ;
delete shortcut_imgRegion; delete shortcutPlus;
delete shortcut_Plus; delete shortcutMinus;
delete shortcut_Minus; delete shortcutLeft;
delete shortcut_Left; delete shortcutRight;
delete shortcut_Right; delete shortcutUp;
delete shortcut_Up; delete shortcutDown;
delete shortcut_Down;
} }
ViewPort* CvWindow::getView() ViewPort* CvWindow::getView()
{ {
return myview; return myview;
} }
void CvWindow::displayInfo(QString text,int delayms) void CvWindow::displayInfo(QString text,int delayms)
@@ -925,53 +954,128 @@ void CvWindow::keyPressEvent(QKeyEvent *event)
if (key>=20 && key<=255 ) if (key>=20 && key<=255 )
{ {
key = (int)event->text().toLocal8Bit().at(0); key = (int)event->text().toLocal8Bit().at(0);
goodKey = true; goodKey = true;
} }
if (key == Qt::Key_Escape) if (key == Qt::Key_Escape)
{ {
key = 27; key = 27;
goodKey = true; goodKey = true;
} }
//control plus (Z, +, -, up, down, left, right) are used for zoom/panning functions //control plus (Z, +, -, up, down, left, right) are used for zoom/panning functions
if (event->modifiers() != Qt::ControlModifier && goodKey) if (event->modifiers() != Qt::ControlModifier && goodKey)
{ {
mutexKey.lock(); mutexKey.lock();
last_key = key; last_key = key;
//last_key = event->nativeVirtualKey (); //last_key = event->nativeVirtualKey ();
mutexKey.unlock(); mutexKey.unlock();
key_pressed.wakeAll(); key_pressed.wakeAll();
//event->accept(); //event->accept();
} }
QWidget::keyPressEvent(event); QWidget::keyPressEvent(event);
} }
void CvWindow::readSettings()//not tested void CvWindow::readSettings()
{ {
QSettings settings("Trolltech", "Application Example"); //organisation and application's name
QSettings settings("OpenCV2", QFileInfo(QApplication::applicationFilePath()).fileName());
QPoint pos = settings.value("pos", QPoint(200, 200)).toPoint(); QPoint pos = settings.value("pos", QPoint(200, 200)).toPoint();
QSize size = settings.value("size", QSize(400, 400)).toSize(); QSize size = settings.value("size", QSize(400, 400)).toSize();
param_name = settings.value("name_window",param_name).toString();
param_flags = settings.value("mode_resize",param_flags).toInt();
qreal m11 = settings.value("matrix_view.m11",myview->param_matrixWorld.m11()).toReal();
qreal m12 = settings.value("matrix_view.m12",myview->param_matrixWorld.m12()).toReal();
qreal m13 = settings.value("matrix_view.m13",myview->param_matrixWorld.m13()).toReal();
qreal m21 = settings.value("matrix_view.m21",myview->param_matrixWorld.m21()).toReal();
qreal m22 = settings.value("matrix_view.m22",myview->param_matrixWorld.m22()).toReal();
qreal m23 = settings.value("matrix_view.m23",myview->param_matrixWorld.m23()).toReal();
qreal m31 = settings.value("matrix_view.m31",myview->param_matrixWorld.m31()).toReal();
qreal m32 = settings.value("matrix_view.m32",myview->param_matrixWorld.m32()).toReal();
qreal m33 = settings.value("matrix_view.m33",myview->param_matrixWorld.m33()).toReal();
myview->param_matrixWorld = QTransform(m11,m12,m13,m21,m22,m23,m31,m32,m33);
//trackbar here
icvLoadTrackbars(&settings);
resize(size); resize(size);
move(pos); move(pos);
} }
void CvWindow::writeSettings()//not tested void CvWindow::writeSettings()
{ {
QSettings settings("Trolltech", "Application Example"); //organisation and application's name
QSettings settings("OpenCV2", QFileInfo(QApplication::applicationFilePath()).fileName());
settings.setValue("name_window",param_name);
settings.setValue("pos", pos()); settings.setValue("pos", pos());
settings.setValue("size", size()); settings.setValue("size", size());
settings.setValue("mode_resize",param_flags);
settings.setValue("view_aspectRatio",myview->param_keepRatio);
settings.setValue("matrix_view.m11",myview->param_matrixWorld.m11());
settings.setValue("matrix_view.m12",myview->param_matrixWorld.m12());
settings.setValue("matrix_view.m13",myview->param_matrixWorld.m13());
settings.setValue("matrix_view.m21",myview->param_matrixWorld.m21());
settings.setValue("matrix_view.m22",myview->param_matrixWorld.m22());
settings.setValue("matrix_view.m23",myview->param_matrixWorld.m23());
settings.setValue("matrix_view.m31",myview->param_matrixWorld.m31());
settings.setValue("matrix_view.m32",myview->param_matrixWorld.m32());
settings.setValue("matrix_view.m33",myview->param_matrixWorld.m33());
icvSaveTrackbars(&settings);
} }
void CvWindow::icvLoadTrackbars(QSettings *settings)
{
int size = settings->beginReadArray("trackbars");
QPointer<CvTrackbar> t;
//Warning ---- , asume the location 0 is myview and max-1 the status bar
//done three times in the code, in loadtrackbars, savetrackbar and in findtrackbar
//trackbar are saved in the same order, so no need to use icvFindTrackbarByName
if (layout->layout()->count()-2 == size)//if not the same number, the window saved and loaded is not the same (nb trackbar not equal)
for (int i = 0; i < size; ++i)
{
settings->setArrayIndex(i);
t = (CvTrackbar*) layout->layout()->itemAt(i+1);//+1 because index 0 is myview (see Warning)
if (t->trackbar_name == settings->value("name").toString())
{
t->slider->setValue(settings->value("value").toInt());
}
}
settings->endArray();
}
void CvWindow::icvSaveTrackbars(QSettings *settings)
{
QPointer<CvTrackbar> t;
//Warning ---- , asume the location 0 is myview and max-1 the status bar
//done three times in the code, in loadtrackbars, savetrackbar and in findtrackbar
settings->beginWriteArray("trackbars");
for (int i = 0; i < layout->layout()->count()-2; ++i) {
t = (CvTrackbar*) layout->layout()->itemAt(i+1);//+1 because index 0 is myview (see Warning)
settings->setArrayIndex(i);
settings->setValue("name", t->trackbar_name);
settings->setValue("value", t->slider->value());
}
settings->endArray();
}
//Here is ViewPort //Here is ViewPort
ViewPort::ViewPort(CvWindow* arg, int arg2, int arg3) ViewPort::ViewPort(CvWindow* arg, int arg2, int arg3)
{ {
centralWidget = arg, centralWidget = arg,
mode = arg2; mode_display = arg2;
keepRatio = arg3; param_keepRatio = arg3;
setupViewport(centralWidget); setupViewport(centralWidget);
setContentsMargins(0,0,0,0); setContentsMargins(0,0,0,0);
@@ -988,7 +1092,7 @@ ViewPort::ViewPort(CvWindow* arg, int arg2, int arg3)
#if defined(OPENCV_GL) #if defined(OPENCV_GL)
if (mode == CV_MODE_OPENGL) if ( mode_display == CV_MODE_OPENGL)
{ {
setViewport(new QGLWidget(QGLFormat(QGL::SampleBuffers))); setViewport(new QGLWidget(QGLFormat(QGL::SampleBuffers)));
initGL(); initGL();
@@ -1013,62 +1117,57 @@ ViewPort::~ViewPort()
void ViewPort::setRatio(int flags) void ViewPort::setRatio(int flags)
{ {
keepRatio = flags; param_keepRatio = flags;
updateGeometry(); updateGeometry();
viewport()->update(); viewport()->update();
} }
int ViewPort::getRatio() int ViewPort::getRatio()
{ {
return keepRatio; return param_keepRatio;
} }
void ViewPort::resetZoom() void ViewPort::resetZoom()
{ {
matrixWorld.reset(); param_matrixWorld.reset();
controlImagePosition(); controlImagePosition();
} }
void ViewPort::imgRegion( )
{
scaleView(threshold_zoom_img_region/matrixWorld.m11(), QPointF(size().width()/2,size().height()/2),false);//false = do not process the 1st param
}
void ViewPort::ZoomIn() void ViewPort::ZoomIn()
{ {
scaleView( 0.5,QPointF(size().width()/2,size().height()/2),true); scaleView( 0.5,QPointF(size().width()/2,size().height()/2));
} }
void ViewPort::ZoomOut() void ViewPort::ZoomOut()
{ {
scaleView( -0.5,QPointF(size().width()/2,size().height()/2),true); scaleView( -0.5,QPointF(size().width()/2,size().height()/2));
} }
//Note: move 2 percent of the window //Note: move 2 percent of the window
void ViewPort::siftWindowOnLeft() void ViewPort::siftWindowOnLeft()
{ {
float delta = 2*width()/(100.0*matrixWorld.m11()); float delta = 2*width()/(100.0*param_matrixWorld.m11());
moveView(QPointF(delta,0)); moveView(QPointF(delta,0));
} }
//Note: move 2 percent of the window //Note: move 2 percent of the window
void ViewPort::siftWindowOnRight() void ViewPort::siftWindowOnRight()
{ {
float delta = -2*width()/(100.0*matrixWorld.m11()); float delta = -2*width()/(100.0*param_matrixWorld.m11());
moveView(QPointF(delta,0)); moveView(QPointF(delta,0));
} }
//Note: move 2 percent of the window //Note: move 2 percent of the window
void ViewPort::siftWindowOnUp() void ViewPort::siftWindowOnUp()
{ {
float delta = 2*height()/(100.0*matrixWorld.m11()); float delta = 2*height()/(100.0*param_matrixWorld.m11());
moveView(QPointF(0,delta)); moveView(QPointF(0,delta));
} }
//Note: move 2 percent of the window //Note: move 2 percent of the window
void ViewPort::siftWindowOnDown() void ViewPort::siftWindowOnDown()
{ {
float delta = -2*height()/(100.0*matrixWorld.m11()); float delta = -2*height()/(100.0*param_matrixWorld.m11());
moveView(QPointF(0,delta)); moveView(QPointF(0,delta));
} }
@@ -1125,30 +1224,30 @@ void ViewPort::controlImagePosition()
qreal left, top, right, bottom; qreal left, top, right, bottom;
//after check top-left, bottom right corner to avoid getting "out" during zoom/panning //after check top-left, bottom right corner to avoid getting "out" during zoom/panning
matrixWorld.map(0,0,&left,&top); param_matrixWorld.map(0,0,&left,&top);
if (left > 0) if (left > 0)
{ {
matrixWorld.translate(-left,0); param_matrixWorld.translate(-left,0);
left = 0; left = 0;
} }
if (top > 0) if (top > 0)
{ {
matrixWorld.translate(0,-top); param_matrixWorld.translate(0,-top);
top = 0; top = 0;
} }
//------- //-------
QSize sizeImage = size(); QSize sizeImage = size();
matrixWorld.map(sizeImage.width(),sizeImage.height(),&right,&bottom); param_matrixWorld.map(sizeImage.width(),sizeImage.height(),&right,&bottom);
if (right < sizeImage.width()) if (right < sizeImage.width())
{ {
matrixWorld.translate(sizeImage.width()-right,0); param_matrixWorld.translate(sizeImage.width()-right,0);
right = sizeImage.width(); right = sizeImage.width();
} }
if (bottom < sizeImage.height()) if (bottom < sizeImage.height())
{ {
matrixWorld.translate(0,sizeImage.height()-bottom); param_matrixWorld.translate(0,sizeImage.height()-bottom);
bottom = sizeImage.height(); bottom = sizeImage.height();
} }
@@ -1156,51 +1255,48 @@ void ViewPort::controlImagePosition()
positionCorners.setTopLeft(QPoint(left,top)); positionCorners.setTopLeft(QPoint(left,top));
positionCorners.setBottomRight(QPoint(right,bottom)); positionCorners.setBottomRight(QPoint(right,bottom));
//save also the inv matrix //save also the inv matrix
matrixWorld_inv = matrixWorld.inverted(); matrixWorld_inv = param_matrixWorld.inverted();
viewport()->update(); viewport()->update();
} }
void ViewPort::moveView(QPointF delta) void ViewPort::moveView(QPointF delta)
{ {
matrixWorld.translate(delta.x(),delta.y()); param_matrixWorld.translate(delta.x(),delta.y());
controlImagePosition(); controlImagePosition();
} }
//factor is -0.5 (zoom out) or 0.5 (zoom in) //factor is -0.5 (zoom out) or 0.5 (zoom in)
void ViewPort::scaleView(qreal factor,QPointF center,bool process_factor) void ViewPort::scaleView(qreal factor,QPointF center)
{ {
if (process_factor) factor/=5;//-0.1 <-> 0.1
{ factor+=1;//0.9 <-> 1.1
factor/=5;//-0.1 <-> 0.1
factor+=1;//0.9 <-> 1.1
}
//limit zoom out --- //limit zoom out ---
if (matrixWorld.m11()==1 && factor < 1) if (param_matrixWorld.m11()==1 && factor < 1)
return; return;
if (matrixWorld.m11()*factor<1) if (param_matrixWorld.m11()*factor<1)
factor = 1/matrixWorld.m11(); factor = 1/param_matrixWorld.m11();
//limit zoom int --- //limit zoom int ---
if (matrixWorld.m11()>100 && factor > 1) if (param_matrixWorld.m11()>100 && factor > 1)
return; return;
//inverse the transform //inverse the transform
int a, b; int a, b;
matrixWorld_inv.map(center.x(),center.y(),&a,&b); matrixWorld_inv.map(center.x(),center.y(),&a,&b);
matrixWorld.translate(a-factor*a,b-factor*b); param_matrixWorld.translate(a-factor*a,b-factor*b);
matrixWorld.scale(factor,factor); param_matrixWorld.scale(factor,factor);
controlImagePosition(); controlImagePosition();
//display new zoom //display new zoom
centralWidget->displayStatusBar(tr("Zoom: %1%").arg(matrixWorld.m11()*100),1000); centralWidget->displayStatusBar(tr("Zoom: %1%").arg(param_matrixWorld.m11()*100),1000);
if (matrixWorld.m11()>1) if (param_matrixWorld.m11()>1)
setCursor(Qt::OpenHandCursor); setCursor(Qt::OpenHandCursor);
else else
unsetCursor(); unsetCursor();
@@ -1208,7 +1304,7 @@ void ViewPort::scaleView(qreal factor,QPointF center,bool process_factor)
void ViewPort::wheelEvent(QWheelEvent *event) void ViewPort::wheelEvent(QWheelEvent *event)
{ {
scaleView( -event->delta() / 240.0,event->pos(),true);//true means process the 1st parameter scaleView( -event->delta() / 240.0,event->pos());
} }
void ViewPort::mousePressEvent(QMouseEvent *event) void ViewPort::mousePressEvent(QMouseEvent *event)
@@ -1220,7 +1316,7 @@ void ViewPort::mousePressEvent(QMouseEvent *event)
icvmouseHandler(event, mouse_down, cv_event, flags); icvmouseHandler(event, mouse_down, cv_event, flags);
icvmouseProcessing(QPointF(pt), cv_event, flags); icvmouseProcessing(QPointF(pt), cv_event, flags);
if (matrixWorld.m11()>1) if (param_matrixWorld.m11()>1)
{ {
setCursor(Qt::ClosedHandCursor); setCursor(Qt::ClosedHandCursor);
positionGrabbing = event->pos(); positionGrabbing = event->pos();
@@ -1239,7 +1335,7 @@ void ViewPort::mouseReleaseEvent(QMouseEvent *event)
icvmouseHandler(event, mouse_up, cv_event, flags); icvmouseHandler(event, mouse_up, cv_event, flags);
icvmouseProcessing(QPointF(pt), cv_event, flags); icvmouseProcessing(QPointF(pt), cv_event, flags);
if (matrixWorld.m11()>1) if (param_matrixWorld.m11()>1)
setCursor(Qt::OpenHandCursor); setCursor(Qt::OpenHandCursor);
QWidget::mouseReleaseEvent(event); QWidget::mouseReleaseEvent(event);
@@ -1267,9 +1363,9 @@ void ViewPort::mouseMoveEvent(QMouseEvent *event)
icvmouseProcessing(QPointF(pt), cv_event, flags); icvmouseProcessing(QPointF(pt), cv_event, flags);
if (matrixWorld.m11()>1 && event->buttons() == Qt::LeftButton) if (param_matrixWorld.m11()>1 && event->buttons() == Qt::LeftButton)
{ {
QPointF dxy = (pt - positionGrabbing)/matrixWorld.m11(); QPointF dxy = (pt - positionGrabbing)/param_matrixWorld.m11();
positionGrabbing = event->pos(); positionGrabbing = event->pos();
@@ -1357,7 +1453,7 @@ void ViewPort::resizeEvent ( QResizeEvent *event)
ratioX=width()/float(image2Draw_ipl->width); ratioX=width()/float(image2Draw_ipl->width);
ratioY=height()/float(image2Draw_ipl->height); ratioY=height()/float(image2Draw_ipl->height);
if(keepRatio == CV_WINDOW_KEEPRATIO)//to keep the same aspect ratio if(param_keepRatio == CV_WINDOW_KEEPRATIO)//to keep the same aspect ratio
{ {
QSize newSize = QSize(image2Draw_ipl->width,image2Draw_ipl->height); QSize newSize = QSize(image2Draw_ipl->width,image2Draw_ipl->height);
newSize.scale(event->size(),Qt::KeepAspectRatio); newSize.scale(event->size(),Qt::KeepAspectRatio);
@@ -1382,13 +1478,13 @@ void ViewPort::resizeEvent ( QResizeEvent *event)
void ViewPort::paintEvent(QPaintEvent* event) void ViewPort::paintEvent(QPaintEvent* event)
{ {
QPainter myPainter(viewport()); QPainter myPainter(viewport());
myPainter.setWorldTransform(matrixWorld); myPainter.setWorldTransform(param_matrixWorld);
draw2D(&myPainter); draw2D(&myPainter);
#if defined(OPENCV_GL) #if defined(OPENCV_GL)
if (mode == CV_MODE_OPENGL && false)//disable it for now if ( mode_display == CV_MODE_OPENGL && false)//disable it for now
{ {
setGL(this->width(),this->height()); setGL(this->width(),this->height());
draw3D(); draw3D();
@@ -1397,12 +1493,12 @@ void ViewPort::paintEvent(QPaintEvent* event)
#endif #endif
//in mode zoom/panning //in mode zoom/panning
if (matrixWorld.m11()>1) if (param_matrixWorld.m11()>1)
{ {
myPainter.setWorldMatrixEnabled (false ); myPainter.setWorldMatrixEnabled (false );
if (matrixWorld.m11()>=threshold_zoom_img_region) if (param_matrixWorld.m11()>=threshold_zoom_img_region)
drawImgRegion(&myPainter); drawImgRegion(&myPainter);
drawViewOverview(&myPainter); drawViewOverview(&myPainter);
@@ -1463,23 +1559,23 @@ void ViewPort::drawStatusBar()
void ViewPort::drawImgRegion(QPainter *painter) void ViewPort::drawImgRegion(QPainter *painter)
{ {
qreal offsetX = matrixWorld.dx()/matrixWorld.m11(); qreal offsetX = param_matrixWorld.dx()/param_matrixWorld.m11();
offsetX = offsetX - floor(offsetX); offsetX = offsetX - floor(offsetX);
qreal offsetY = matrixWorld.dy()/matrixWorld.m11(); qreal offsetY = param_matrixWorld.dy()/param_matrixWorld.m11();
offsetY = offsetY - floor(offsetY); offsetY = offsetY - floor(offsetY);
QSize view = size(); QSize view = size();
QVarLengthArray<QLineF, 30> linesX; QVarLengthArray<QLineF, 30> linesX;
for (qreal x = offsetX*matrixWorld.m11(); x < view.width(); x += matrixWorld.m11() ) for (qreal x = offsetX*param_matrixWorld.m11(); x < view.width(); x += param_matrixWorld.m11() )
linesX.append(QLineF(x, 0, x, view.height())); linesX.append(QLineF(x, 0, x, view.height()));
QVarLengthArray<QLineF, 30> linesY; QVarLengthArray<QLineF, 30> linesY;
for (qreal y = offsetY*matrixWorld.m11(); y < view.height(); y += matrixWorld.m11() ) for (qreal y = offsetY*param_matrixWorld.m11(); y < view.height(); y += param_matrixWorld.m11() )
linesY.append(QLineF(0, y, view.width(), y)); linesY.append(QLineF(0, y, view.width(), y));
QFont f = painter->font(); QFont f = painter->font();
f.setPointSize(threshold_zoom_img_region/3+(matrixWorld.m11()-threshold_zoom_img_region)/6); f.setPixelSize(6+(param_matrixWorld.m11()-threshold_zoom_img_region)/5);
//f.setStretch(0); //f.setStretch(0);
painter->setFont(f); painter->setFont(f);
QString val; QString val;
@@ -1489,11 +1585,11 @@ void ViewPort::drawImgRegion(QPainter *painter)
QPointF point2;//idem QPointF point2;//idem
for (int j=-1;j<view.height()/matrixWorld.m11();j++) for (int j=-1;j<view.height()/param_matrixWorld.m11();j++)
for (int i=-1;i<view.width()/matrixWorld.m11();i++) for (int i=-1;i<view.width()/param_matrixWorld.m11();i++)
{ {
point1.setX((i+offsetX)*matrixWorld.m11()); point1.setX((i+offsetX)*param_matrixWorld.m11());
point1.setY((j+offsetY)*matrixWorld.m11()); point1.setY((j+offsetY)*param_matrixWorld.m11());
matrixWorld_inv.map(point1.x(),point1.y(),&point2.rx(),&point2.ry()); matrixWorld_inv.map(point1.x(),point1.y(),&point2.rx(),&point2.ry());
@@ -1502,22 +1598,21 @@ void ViewPort::drawImgRegion(QPainter *painter)
else else
rgbValue = qRgb(0,0,0); rgbValue = qRgb(0,0,0);
const int margin = 1;
if (nbChannelOriginImage==3) if (nbChannelOriginImage==3)
{ {
val = tr("%1").arg(qRed(rgbValue)); val = tr("%1").arg(qRed(rgbValue));
painter->setPen(QPen(Qt::red, 1)); painter->setPen(QPen(Qt::red, 1));
painter->drawText(QRect(point1.x(),point1.y()+margin,matrixWorld.m11(),matrixWorld.m11()/3), painter->drawText(QRect(point1.x(),point1.y(),param_matrixWorld.m11(),param_matrixWorld.m11()/3),
Qt::AlignCenter, val); Qt::AlignCenter, val);
val = tr("%1").arg(qGreen(rgbValue)); val = tr("%1").arg(qGreen(rgbValue));
painter->setPen(QPen(Qt::green, 1)); painter->setPen(QPen(Qt::green, 1));
painter->drawText(QRect(point1.x(),point1.y()+matrixWorld.m11()/3+margin,matrixWorld.m11(),matrixWorld.m11()/3), painter->drawText(QRect(point1.x(),point1.y()+param_matrixWorld.m11()/3,param_matrixWorld.m11(),param_matrixWorld.m11()/3),
Qt::AlignCenter, val); Qt::AlignCenter, val);
val = tr("%1").arg(qBlue(rgbValue)); val = tr("%1").arg(qBlue(rgbValue));
painter->setPen(QPen(Qt::blue, 1)); painter->setPen(QPen(Qt::blue, 1));
painter->drawText(QRect(point1.x(),point1.y()+2*matrixWorld.m11()/3+margin,matrixWorld.m11(),matrixWorld.m11()/3), painter->drawText(QRect(point1.x(),point1.y()+2*param_matrixWorld.m11()/3,param_matrixWorld.m11(),param_matrixWorld.m11()/3),
Qt::AlignCenter, val); Qt::AlignCenter, val);
} }
@@ -1525,7 +1620,7 @@ void ViewPort::drawImgRegion(QPainter *painter)
{ {
val = tr("%1").arg(qRed(rgbValue)); val = tr("%1").arg(qRed(rgbValue));
painter->drawText(QRect(point1.x(),point1.y(),matrixWorld.m11(),matrixWorld.m11()), painter->drawText(QRect(point1.x(),point1.y(),param_matrixWorld.m11(),param_matrixWorld.m11()),
Qt::AlignCenter, val); Qt::AlignCenter, val);
} }
} }
@@ -1549,7 +1644,7 @@ void ViewPort::drawViewOverview(QPainter *painter)
painter->drawRect(QRect(width()-viewSize.width()-margin, 0,viewSize.width(),viewSize.height())); painter->drawRect(QRect(width()-viewSize.width()-margin, 0,viewSize.width(),viewSize.height()));
//daw the view's location inside the image //daw the view's location inside the image
qreal ratioSize = 1/matrixWorld.m11(); qreal ratioSize = 1/param_matrixWorld.m11();
qreal ratioWindow = (qreal)(viewSize.height())/(qreal)(size().height()); qreal ratioWindow = (qreal)(viewSize.height())/(qreal)(size().height());
painter->setPen(Qt::darkBlue); painter->setPen(Qt::darkBlue);
painter->drawRect(QRectF(width()-viewSize.width()-positionCorners.left()*ratioSize*ratioWindow-margin, painter->drawRect(QRectF(width()-viewSize.width()-positionCorners.left()*ratioSize*ratioWindow-margin,

162
modules/highgui/src/window_QT.h
View File

@@ -69,6 +69,7 @@
#include <QIODevice> #include <QIODevice>
#include <QShortcut> #include <QShortcut>
#include <QStatusBar> #include <QStatusBar>
#include <QVarLengthArray>
//Macro here //Macro here
#define CV_MODE_NORMAL 0 #define CV_MODE_NORMAL 0
@@ -108,7 +109,9 @@ public slots:
double getPropWindow(QString name); double getPropWindow(QString name);
void setPropWindow(QString name, double flags ); void setPropWindow(QString name, double flags );
double getRatioWindow(QString name); double getRatioWindow(QString name);
void setRatioWindow(QString name, double arg2 ); void setRatioWindow(QString name, double arg2 );
void saveWindowParameters(QString name);
void loadWindowParameters(QString name);
}; };
class CvTrackbar : public QHBoxLayout class CvTrackbar : public QHBoxLayout
@@ -133,6 +136,7 @@ private:
CvTrackbarCallback callback; CvTrackbarCallback callback;
QPointer<CvWindow> parent; QPointer<CvWindow> parent;
int* dataSlider; int* dataSlider;
}; };
class CvWindow : public QWidget class CvWindow : public QWidget
@@ -146,37 +150,39 @@ public:
void updateImage(void* arr); void updateImage(void* arr);
void displayInfo(QString text, int delayms ); void displayInfo(QString text, int delayms );
void displayStatusBar(QString text, int delayms ); void displayStatusBar(QString text, int delayms );
void readSettings();
void writeSettings();
ViewPort* getView(); ViewPort* getView();
QString name;
int flags;
QPointer<QBoxLayout> layout; QPointer<QBoxLayout> layout;
QPointer<QStatusBar> myBar; QPointer<QStatusBar> myBar;
QPointer<QLabel> myBar_msg; QPointer<QLabel> myBar_msg;
//QPointer<CustomLayout> layout;
//parameters (will be save/load)
QString param_name;
int param_flags;
protected: protected:
void readSettings();
void writeSettings();
virtual void keyPressEvent(QKeyEvent *event); virtual void keyPressEvent(QKeyEvent *event);
private: private:
QPointer<ViewPort> myview; QPointer<ViewPort> myview;
QPointer<QShortcut> shortcutZ;
QPointer<QShortcut> shortcutPlus;
QPointer<QShortcut> shortcutMinus;
QPointer<QShortcut> shortcutLeft;
QPointer<QShortcut> shortcutRight;
QPointer<QShortcut> shortcutUp;
QPointer<QShortcut> shortcutDown;
int status;//0 normal, 1 fullscreen (YV) void icvLoadTrackbars(QSettings *settings);
QPointer<QShortcut> shortcut_r_Zoom; void icvSaveTrackbars(QSettings *settings);
QPointer<QShortcut> shortcut_imgRegion;
QPointer<QShortcut> shortcut_Plus;
QPointer<QShortcut> shortcut_Minus;
QPointer<QShortcut> shortcut_Left;
QPointer<QShortcut> shortcut_Right;
QPointer<QShortcut> shortcut_Up;
QPointer<QShortcut> shortcut_Down;
}; };
enum type_mouse_event {mouse_up = 0, mouse_down = 1, mouse_dbclick = 2, mouse_move = 3}; enum type_mouse_event {mouse_up = 0, mouse_down = 1, mouse_dbclick = 2, mouse_move = 3};
static const int tableMouseButtons[][3]={ static const int tableMouseButtons[][3]={
@@ -186,6 +192,7 @@ static const int tableMouseButtons[][3]={
{CV_EVENT_MOUSEMOVE,CV_EVENT_MOUSEMOVE,CV_EVENT_MOUSEMOVE} //mouse_move {CV_EVENT_MOUSEMOVE,CV_EVENT_MOUSEMOVE,CV_EVENT_MOUSEMOVE} //mouse_move
}; };
class ViewPort : public QGraphicsView class ViewPort : public QGraphicsView
{ {
Q_OBJECT Q_OBJECT
@@ -195,20 +202,24 @@ public:
void updateImage(void* arr); void updateImage(void* arr);
void startDisplayInfo(QString text, int delayms); void startDisplayInfo(QString text, int delayms);
void setMouseCallBack(CvMouseCallback m, void* param); void setMouseCallBack(CvMouseCallback m, void* param);
int getRatio();
void setRatio(int arg);
//parameters (will be save/load)
QTransform param_matrixWorld;
int param_keepRatio;
IplImage* image2Draw_ipl; IplImage* image2Draw_ipl;
QImage image2Draw_qt; QImage image2Draw_qt;
int mode_display;//opengl or native
int nbChannelOriginImage; int nbChannelOriginImage;
void setRatio(int flags);
int getRatio();
public slots: public slots:
//reference: //reference:
//http://www.qtcentre.org/wiki/index.php?title=QGraphicsView:_Smooth_Panning_and_Zooming //http://www.qtcentre.org/wiki/index.php?title=QGraphicsView:_Smooth_Panning_and_Zooming
//http://doc.qt.nokia.com/4.6/gestures-imagegestures-imagewidget-cpp.html //http://doc.qt.nokia.com/4.6/gestures-imagegestures-imagewidget-cpp.html
void scaleView(qreal scaleFactor, QPointF center, bool process1stParam); void scaleView(qreal scaleFactor, QPointF center);
void imgRegion( );
void moveView(QPointF delta); void moveView(QPointF delta);
void resetZoom(); void resetZoom();
void ZoomIn(); void ZoomIn();
@@ -220,21 +231,14 @@ public slots:
void resizeEvent ( QResizeEvent * ); void resizeEvent ( QResizeEvent * );
private: private:
QPoint deltaOffset;
QPoint computeOffset();
QPoint mouseCoordinate; QPoint mouseCoordinate;
QPointF positionGrabbing; QPointF positionGrabbing;
QRect positionCorners; QRect positionCorners;
QTransform matrixWorld;
QTransform matrixWorld_inv; QTransform matrixWorld_inv;
float ratioX, ratioY; float ratioX, ratioY;
CvMouseCallback on_mouse; CvMouseCallback on_mouse;
void* on_mouse_param; void* on_mouse_param;
int mode;
int keepRatio;
bool isSameSize(IplImage* img1,IplImage* img2); bool isSameSize(IplImage* img1,IplImage* img2);
QSize sizeHint() const; QSize sizeHint() const;
QPointer<CvWindow> centralWidget; QPointer<CvWindow> centralWidget;
@@ -270,64 +274,66 @@ private slots:
void stopDisplayInfo(); void stopDisplayInfo();
}; };
//here css for trackbar //here css for trackbar
/* from http://thesmithfam.org/blog/2010/03/10/fancy-qslider-stylesheet */ /* from http://thesmithfam.org/blog/2010/03/10/fancy-qslider-stylesheet */
static const QString str_Trackbar_css = QString("") static const QString str_Trackbar_css = QString("")
+ "QSlider::groove:horizontal {" + "QSlider::groove:horizontal {"
+ "border: 1px solid #bbb;" + "border: 1px solid #bbb;"
+ "background: white;" + "background: white;"
+ "height: 10px;" + "height: 10px;"
+ "border-radius: 4px;" + "border-radius: 4px;"
+ "}" + "}"
+ "QSlider::sub-page:horizontal {" + "QSlider::sub-page:horizontal {"
+ "background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1," + "background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,"
+ "stop: 0 #66e, stop: 1 #bbf);" + "stop: 0 #66e, stop: 1 #bbf);"
+ "background: qlineargradient(x1: 0, y1: 0.2, x2: 1, y2: 1," + "background: qlineargradient(x1: 0, y1: 0.2, x2: 1, y2: 1,"
+ "stop: 0 #bbf, stop: 1 #55f);" + "stop: 0 #bbf, stop: 1 #55f);"
+ "border: 1px solid #777;" + "border: 1px solid #777;"
+ "height: 10px;" + "height: 10px;"
+ "border-radius: 4px;" + "border-radius: 4px;"
+ "}" + "}"
+ "QSlider::add-page:horizontal {" + "QSlider::add-page:horizontal {"
+ "background: #fff;" + "background: #fff;"
+ "border: 1px solid #777;" + "border: 1px solid #777;"
+ "height: 10px;" + "height: 10px;"
+ "border-radius: 4px;" + "border-radius: 4px;"
+ "}" + "}"
+ "QSlider::handle:horizontal {" + "QSlider::handle:horizontal {"
+ "background: qlineargradient(x1:0, y1:0, x2:1, y2:1," + "background: qlineargradient(x1:0, y1:0, x2:1, y2:1,"
+ "stop:0 #eee, stop:1 #ccc);" + "stop:0 #eee, stop:1 #ccc);"
+ "border: 1px solid #777;" + "border: 1px solid #777;"
+ "width: 13px;" + "width: 13px;"
+ "margin-top: -2px;" + "margin-top: -2px;"
+ "margin-bottom: -2px;" + "margin-bottom: -2px;"
+ "border-radius: 4px;" + "border-radius: 4px;"
+ "}" + "}"
+ "QSlider::handle:horizontal:hover {" + "QSlider::handle:horizontal:hover {"
+ "background: qlineargradient(x1:0, y1:0, x2:1, y2:1," + "background: qlineargradient(x1:0, y1:0, x2:1, y2:1,"
+ "stop:0 #fff, stop:1 #ddd);" + "stop:0 #fff, stop:1 #ddd);"
+ "border: 1px solid #444;" + "border: 1px solid #444;"
+ "border-radius: 4px;" + "border-radius: 4px;"
+ "}" + "}"
+ "QSlider::sub-page:horizontal:disabled {" + "QSlider::sub-page:horizontal:disabled {"
+ "background: #bbb;" + "background: #bbb;"
+ "border-color: #999;" + "border-color: #999;"
+ "}" + "}"
+ "QSlider::add-page:horizontal:disabled {" + "QSlider::add-page:horizontal:disabled {"
+ "background: #eee;" + "background: #eee;"
+ "border-color: #999;" + "border-color: #999;"
+ "}" + "}"
+ "QSlider::handle:horizontal:disabled {" + "QSlider::handle:horizontal:disabled {"
+ "background: #eee;" + "background: #eee;"
+ "border: 1px solid #aaa;" + "border: 1px solid #aaa;"
+ "border-radius: 4px;" + "border-radius: 4px;"
+ "}"; + "}";
#endif #endif