1 files changed, 120 insertions, 0 deletions
diff --git a/src/player/TrackerTouchStatus.cpp b/src/player/TrackerTouchStatus.cpp
new file mode 100644
index 0000000..f52bd3b
--- /dev/null
+++ b/src/player/TrackerTouchStatus.cpp
@@ -0,0 +1,120 @@
+//
+//  libavg - Media Playback Engine. 
+//  Copyright (C) 2003-2014 Ulrich von Zadow
+//
+//  This library is free software; you can redistribute it and/or
+//  modify it under the terms of the GNU Lesser General Public
+//  License as published by the Free Software Foundation; either
+//  version 2 of the License, or (at your option) any later version.
+//
+//  This library is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+//  Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public
+//  License along with this library; if not, write to the Free Software
+//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+//  Current versions can be found at www.libavg.de
+//
+
+#include "TrackerTouchStatus.h"
+#include "TouchEvent.h"
+
+#include "../base/Logger.h"
+#include "../base/ObjectCounter.h"
+#include "../base/Exception.h"
+
+#include <math.h>
+
+using namespace std;
+
+namespace avg {
+    
+int TrackerTouchStatus::s_LastID = 0;
+
+TrackerTouchStatus::TrackerTouchStatus(BlobPtr pFirstBlob, long long time, 
+        DeDistortPtr pDeDistort, const FRect& displayROI, Event::Source source)
+    : TouchStatus(createEvent(source, Event::CURSOR_DOWN, ++s_LastID, pFirstBlob, time,
+              pDeDistort, displayROI)),
+      m_Source(source),
+      m_pDeDistort(pDeDistort),
+      m_DisplayROI(displayROI),
+      m_Stale(false),
+      m_bGone(false),
+      m_ID(s_LastID),
+      m_pBlob(pFirstBlob),
+      m_LastTime(time),
+      m_LastCenter(pFirstBlob->getCenter())
+{
+    AVG_ASSERT(m_Source == Event::TOUCH || m_Source == Event::TRACK);
+    ObjectCounter::get()->incRef(&typeid(*this));
+}
+
+TrackerTouchStatus::~TrackerTouchStatus()
+{
+    ObjectCounter::get()->decRef(&typeid(*this));
+}
+
+void TrackerTouchStatus::blobChanged(BlobPtr pNewBlob, long long time, bool bKeepEvent)
+{
+    AVG_ASSERT(m_pBlob);
+    AVG_ASSERT(pNewBlob);
+    if (!m_bGone) {
+        glm::vec2 c = pNewBlob->getCenter();
+        bool bPosChanged;
+        if (bKeepEvent) {
+            bPosChanged = true;
+        } else {
+            bPosChanged = (glm::length(c-m_LastCenter) > 1);
+        }
+        if (bPosChanged) {
+            m_LastCenter = pNewBlob->getCenter();
+            TouchEventPtr pEvent = createEvent(Event::CURSOR_MOTION, pNewBlob, time);
+            pushEvent(pEvent, false);
+        }
+        m_pBlob = pNewBlob;
+        m_Stale = false;
+        m_LastTime = time;
+    }
+};
+    
+void TrackerTouchStatus::blobGone()
+{
+    if (!m_bGone) {
+        TouchEventPtr pEvent = createEvent(Event::CURSOR_UP, m_pBlob, m_LastTime+1);
+        pushEvent(pEvent, false);
+        m_bGone = true;
+    }
+}
+
+void TrackerTouchStatus::setStale()
+{
+    m_Stale = true;
+}
+
+bool TrackerTouchStatus::isStale() 
+{
+    return m_Stale;
+}
+
+TouchEventPtr TrackerTouchStatus::createEvent(Event::Source source, Event::Type type, 
+        int id, BlobPtr pBlob, long long time, DeDistortPtr pDeDistort, 
+        const FRect& displayROI)
+{
+    glm::vec2 blobOffset = pDeDistort->getActiveBlobArea(displayROI).tl;
+    glm::vec2 pt = pBlob->getCenter() + blobOffset;
+    glm::dvec2 screenpos(pDeDistort->transformBlobToScreen(glm::dvec2(pt)));
+    IntPoint pos(int(screenpos.x+0.5), int(screenpos.y+0.5)); 
+
+    return TouchEventPtr(new TouchEvent(id, type, pBlob, pos, source));
+}
+
+TouchEventPtr TrackerTouchStatus::createEvent(Event::Type type, BlobPtr pBlob, 
+        long long time)
+{
+    return createEvent(m_Source, type, m_ID, pBlob, time, m_pDeDistort, m_DisplayROI);
+}
+
+}