From 92775fac487ca3fd7cb5eeaff8c39f12f4b28958 Mon Sep 17 00:00:00 2001
From: Luis Lucas <luisfrlucas@gmail.com>
Date: Sun, 18 Jan 2015 01:07:55 +0000
Subject: [PATCH] Enable first version of ZOOM ALL function.

---
 app/SubWindowHandle.h  |  4 ++--
 app/VideoSubWindow.cpp | 12 ++++++------
 app/VideoSubWindow.h   |  6 +++---
 app/plaYUVerApp.cpp    | 15 ++++++++++++++-
 app/plaYUVerApp.h      |  1 +
 5 files changed, 26 insertions(+), 12 deletions(-)

diff --git a/app/SubWindowHandle.h b/app/SubWindowHandle.h
index a8059b6..d966103 100644
--- a/app/SubWindowHandle.h
+++ b/app/SubWindowHandle.h
@@ -71,13 +71,13 @@ public:
   /*
    * Scale the image (zoomed in or out) to speficied absolute zoom value (1.0 = original size).
    */
-  virtual Void zoomToFactor( Double ) = 0;
+  virtual Void zoomToFactor( Double factor , QPoint center = QPoint() ) = 0;
   /**
    * Scale the image by a given factor
    * @param factor factor of scale. Ex: 1.2 scale the image up by 20% and
    *        0.8 scale the image down by 25%
    */
-  virtual Void scaleView( Double ) = 0;
+  virtual Void scaleView( Double , QPoint center = QPoint() ) = 0;
 
 
   virtual Double getScaleFactor() = 0;
diff --git a/app/VideoSubWindow.cpp b/app/VideoSubWindow.cpp
index e06a3fc..7dedbcc 100644
--- a/app/VideoSubWindow.cpp
+++ b/app/VideoSubWindow.cpp
@@ -351,21 +351,21 @@ Void VideoSubWindow::zoomToFit()
   scaleView( getScrollSize() );
 }
 
-Void VideoSubWindow::zoomToFactor(Double factor)
+Void VideoSubWindow::zoomToFactor( Double factor , QPoint center )
 {
   Double curFactor;
   curFactor = getScaleFactor() ;
   if( factor != curFactor )
-    m_cViewArea->scaleZoomFactor( factor/curFactor, QPoint() );
+    m_cViewArea->scaleZoomFactor( factor/curFactor, center );
 }
 
-Void VideoSubWindow::scaleView( Double scale )
+Void VideoSubWindow::scaleView( Double scale , QPoint center )
 {
   Q_ASSERT( m_cViewArea->image() );
-  m_cViewArea->scaleZoomFactor( scale, QPoint() );
+  m_cViewArea->scaleZoomFactor( scale, center );
 }
 
-Void VideoSubWindow::scaleView( const QSize & size )
+Void VideoSubWindow::scaleView( const QSize & size, QPoint center )
 {
   QSize imgViewSize;
   if( m_pcCurrFrame )
@@ -390,7 +390,7 @@ Void VideoSubWindow::scaleView( const QSize & size )
 
   Double curFactor = getScaleFactor() ;
   if( factor != curFactor )
-    m_cViewArea->scaleZoomFactor( factor/curFactor, QPoint() );
+    m_cViewArea->scaleZoomFactor( factor/curFactor, center );
 }
 
 
diff --git a/app/VideoSubWindow.h b/app/VideoSubWindow.h
index fcafe0d..9674d3e 100644
--- a/app/VideoSubWindow.h
+++ b/app/VideoSubWindow.h
@@ -88,7 +88,7 @@ private:
    * Private zoom function to handle
    * zoom to fit
    */
-  Void scaleView( const QSize & size );
+  Void scaleView( const QSize & size , QPoint center = QPoint() );
 
 public:
   VideoSubWindow( QWidget * parent = 0, Bool isModule = false );
@@ -164,8 +164,8 @@ public:
    */
   Void normalSize();
   Void zoomToFit();
-  Void scaleView( Double scale );
-  Void zoomToFactor( Double factor );
+  Void scaleView( Double scale , QPoint center = QPoint() );
+  Void zoomToFactor( Double factor , QPoint center = QPoint() );
 
   Double getScaleFactor()
   {
diff --git a/app/plaYUVerApp.cpp b/app/plaYUVerApp.cpp
index c6d9a3c..94e1485 100644
--- a/app/plaYUVerApp.cpp
+++ b/app/plaYUVerApp.cpp
@@ -416,6 +416,16 @@ Void plaYUVerApp::zoomToFitAll()
     updateZoomFactorSBox();
 }
 
+Void plaYUVerApp::zoomToFactorAll( double factor )
+{
+  SubWindowHandle *subWindow;
+  for( Int i = 0; i < mdiArea->subWindowList().size(); i++ )
+  {
+    subWindow = qobject_cast<SubWindowHandle *>( mdiArea->subWindowList().at( i ) );
+    subWindow->zoomToFactor(factor);
+  }
+}
+
 Void plaYUVerApp::scaleFrame( int ratio )
 {
   if( m_pcCurrentSubWindow )
@@ -427,10 +437,13 @@ Void plaYUVerApp::scaleFrame( int ratio )
 
 Void plaYUVerApp::zoomFromSBox( double zoom )
 {
+  Double factor = zoom/100;
   if( activeSubWindow() )
   {
-    activeSubWindow()->zoomToFactor( zoom/100 );
+    activeSubWindow()->zoomToFactor( factor );
   }
+
+  zoomToFactorAll( factor );
 }
 
 Void plaYUVerApp::updateZoomFactorSBox()
diff --git a/app/plaYUVerApp.h b/app/plaYUVerApp.h
index b843276..b563f00 100644
--- a/app/plaYUVerApp.h
+++ b/app/plaYUVerApp.h
@@ -89,6 +89,7 @@ private Q_SLOTS:
   void normalSize();
   void zoomToFit();
   void zoomToFitAll();
+  void zoomToFactorAll( double factor );
 
   void setTool( int idxTool );