From ce07f0d21e4a441cee715645756c013450621513 Mon Sep 17 00:00:00 2001
From: Bayram Yenikaya <byenikaya@yahoo.com>
Date: Mon, 19 Feb 2024 10:30:35 -0800
Subject: [PATCH] added function playMovie()

---
 gui/appWindow.cpp |  1 +
 gui/polyView.cpp  | 46 +++++++++++++++++++++++++++++++++++-----------
 gui/polyView.h    |  5 +++--
 3 files changed, 39 insertions(+), 13 deletions(-)

diff --git a/gui/appWindow.cpp b/gui/appWindow.cpp
index b869196..13f671b 100644
--- a/gui/appWindow.cpp
+++ b/gui/appWindow.cpp
@@ -273,6 +273,7 @@ void appWindow::createMenusAndMainWidget(){
   view->addAction("Move down",            this,   SLOT(shiftDown()),    Qt::Key_Down);
   view->addAction("Reset view",           m_poly, SLOT(resetView()),    Qt::Key_R);
   view->addAction("Change display order", m_poly, SLOT(changeOrder()),  Qt::Key_O);
+  view->addAction("Movie mode",           m_poly, SLOT([playMovie()),   Qt::Key_M);
   view->addAction("Toggle annotations",   m_poly, SLOT(toggleAnno()),   Qt::Key_A);
   view->addAction("Toggle filled",        m_poly, SLOT(toggleFilled()), Qt::Key_F);
   view->addAction("Toggle points display",
diff --git a/gui/polyView.cpp b/gui/polyView.cpp
index 595cee2..f8a36e4 100644
--- a/gui/polyView.cpp
+++ b/gui/polyView.cpp
@@ -97,6 +97,7 @@ polyView::polyView(QWidget *parent, chooseFilesDlg * chooseFiles,
   m_showLayerAnno      = false;
   m_showFilledPolys    = false;
   m_changeDisplayOrder = false;
+  m_movie_frame_id = -1;
 
   m_emptyRubberBand = QRect(-10, -10, 0, 0); // off-screen rubberband
   m_rubberBand      = m_emptyRubberBand;
@@ -477,7 +478,7 @@ bool polyView::hasSelectedPolygons() const{
 }
 // Plot the current data. See worldToPixelCoords() for how to convert
 // from world to screen coordinates.
-void polyView::displayData(QPainter *paint) {
+void polyView::displayData(QPainter *paint, int pol_id) {
 
   //utils::Timer my_clock("polyView::displayData");
   setupViewingWindow(); // Must happen before anything else
@@ -525,6 +526,7 @@ void polyView::displayData(QPainter *paint) {
   // Plot the images and polygons
   for (int vi  = 0; vi < (int)m_polyVec.size(); vi++) {
 
+    if (pol_id >= 0 && pol_id != vi) continue;
     int vecIter = m_polyVecOrder[vi];
 
     // Skip the files the user does not want to see
@@ -1678,19 +1680,19 @@ void polyView::refreshPixmap() {
   // directly. Later we'll display the pixmap without redrawing
   // whenever possible for reasons of speed.
 
-  m_pixmap = QPixmap(size());
-  m_pixmap.fill(QColor(m_prefs.bgColor.c_str()));
+    m_pixmap = QPixmap(size());
+    m_pixmap.fill(QColor(m_prefs.bgColor.c_str()));
 
-  QPainter paint(&m_pixmap);
-  paint.initFrom(this);
+    QPainter paint(&m_pixmap);
+    paint.initFrom(this);
 
-  QFont F;
-  F.setPointSize(m_prefs.fontSize);
-  //F.setStyleStrategy(QFont::NoAntialias);
-  paint.setFont(F);
+    QFont F;
+    F.setPointSize(m_prefs.fontSize);
+    //F.setStyleStrategy(QFont::NoAntialias);
+    paint.setFont(F);
 
-  displayData(&paint);
-  update();
+    displayData(&paint);
+    update();
 
   return;
 }
@@ -2492,6 +2494,28 @@ void polyView::drawMark(int x0, int y0, QColor color, int lineWidth,
 
 }
 
+void polyView::playMovie(){
+
+    cout <<"in playMovie: "<< m_movie_frame_id<<endl;
+    m_movie_frame_id++;
+
+    if ((int)m_polyVec.size() == m_movie_frame_id) m_movie_frame_id = -1;
+
+    m_pixmap = QPixmap(size());
+    m_pixmap.fill(QColor(m_prefs.bgColor.c_str()));
+
+    QPainter paint(&m_pixmap);
+    paint.initFrom(this);
+
+    QFont F;
+    F.setPointSize(m_prefs.fontSize);
+    //F.setStyleStrategy(QFont::NoAntialias);
+    paint.setFont(F);
+
+    displayData(&paint, m_movie_frame_id);
+    update();
+}
+
 void polyView::toggleAnno() {
   m_showAnnotations         = !m_showAnnotations;
   m_showVertOrPolyIndexAnno = 0;
diff --git a/gui/polyView.h b/gui/polyView.h
index d5a5c86..37a1a0e 100644
--- a/gui/polyView.h
+++ b/gui/polyView.h
@@ -68,6 +68,7 @@ public slots:
   bool getStringVectorFromGui(std::string title,
                               std::string description,
                               std::vector<std::string> & values);
+  void playMovie();
   void toggleAnno();
   void toggleFilled();
   void toggleShowGrid();
@@ -232,7 +233,7 @@ public slots:
 
   bool hasSelectedPolygons() const;
 
-  void displayData( QPainter *paint );
+  void displayData( QPainter *paint, int i = -1 );
   void drawMarks(QPainter *paint);
 
   void plotDPoly(bool plotPoints, bool plotEdges,
@@ -331,7 +332,7 @@ public slots:
 
   bool m_showAnnotations;
   bool m_showFilledPolys;
-
+  int m_movie_frame_id;
   std::vector<utils::dPoly> m_highlights;
 
   int m_showEdges, m_showPoints, m_showPointsEdges, m_displayMode;