From de11836e033260e2b242753501787cbe541dc33c Mon Sep 17 00:00:00 2001
From: Magne Sjaastad <magne.sjaastad@ceetronsolutions.com>
Date: Thu, 29 Sep 2016 11:43:24 +0200
Subject: [PATCH] AppFwk : Added DisplayCoordTransform

---
 Fwk/AppFwk/cafVizExtensions/CMakeLists.txt    |  2 +
 .../cafDisplayCoordTransform.cpp              | 54 +++++++++++++++++++
 .../cafDisplayCoordTransform.h                | 30 +++++++++++
 3 files changed, 86 insertions(+)
 create mode 100644 Fwk/AppFwk/cafVizExtensions/cafDisplayCoordTransform.cpp
 create mode 100644 Fwk/AppFwk/cafVizExtensions/cafDisplayCoordTransform.h

diff --git a/Fwk/AppFwk/cafVizExtensions/CMakeLists.txt b/Fwk/AppFwk/cafVizExtensions/CMakeLists.txt
index 040b30288d..a743f3b293 100644
--- a/Fwk/AppFwk/cafVizExtensions/CMakeLists.txt
+++ b/Fwk/AppFwk/cafVizExtensions/CMakeLists.txt
@@ -15,6 +15,8 @@ include_directories(
 )
 
 add_library( ${PROJECT_NAME}
+    cafDisplayCoordTransform.cpp
+    cafDisplayCoordTransform.h
     cafBoxManipulatorPartManager.cpp
     cafBoxManipulatorPartManager.h
     cafBoxManipulatorGeometryGenerator.cpp
diff --git a/Fwk/AppFwk/cafVizExtensions/cafDisplayCoordTransform.cpp b/Fwk/AppFwk/cafVizExtensions/cafDisplayCoordTransform.cpp
new file mode 100644
index 0000000000..93cd8fff83
--- /dev/null
+++ b/Fwk/AppFwk/cafVizExtensions/cafDisplayCoordTransform.cpp
@@ -0,0 +1,54 @@
+
+#include "cafDisplayCoordTransform.h"
+#include "cvfMatrix4.h"
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+caf::DisplayCoordTransform::DisplayCoordTransform()
+    : m_scale(1.0, 1.0, 1.0),
+    m_translation(cvf::Vec3d::ZERO)
+{
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void caf::DisplayCoordTransform::setScale(const cvf::Vec3d& scale)
+{
+    m_scale = scale;
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void caf::DisplayCoordTransform::setTranslation(const cvf::Vec3d& translation)
+{
+    m_translation = translation;
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+cvf::Vec3d caf::DisplayCoordTransform::transformToDisplayCoord(const cvf::Vec3d& domainCoord) const
+{
+    cvf::Vec3d coord = domainCoord - m_translation;
+    coord.x() *= m_scale.x();
+    coord.y() *= m_scale.y();
+    coord.z() *= m_scale.z();
+    
+    return coord;
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+cvf::Vec3d caf::DisplayCoordTransform::scaleToDisplaySize(const cvf::Vec3d& domainSize) const
+{
+    cvf::Vec3d coord = domainSize;
+    coord.x() *= m_scale.x();
+    coord.y() *= m_scale.y();
+    coord.z() *= m_scale.z();
+
+    return coord;
+}
diff --git a/Fwk/AppFwk/cafVizExtensions/cafDisplayCoordTransform.h b/Fwk/AppFwk/cafVizExtensions/cafDisplayCoordTransform.h
new file mode 100644
index 0000000000..bc485ae093
--- /dev/null
+++ b/Fwk/AppFwk/cafVizExtensions/cafDisplayCoordTransform.h
@@ -0,0 +1,30 @@
+
+#pragma once
+
+#include "cvfBase.h"
+#include "cvfObject.h"
+#include "cvfVector3.h"
+
+namespace caf {
+
+//==================================================================================================
+//
+//
+//==================================================================================================
+class DisplayCoordTransform : public cvf::Object
+{
+public:
+    DisplayCoordTransform();
+
+    void setScale(const cvf::Vec3d& scale);
+    void setTranslation(const cvf::Vec3d& translation);
+
+    cvf::Vec3d transformToDisplayCoord(const cvf::Vec3d& domainCoord) const;
+    cvf::Vec3d scaleToDisplaySize(const cvf::Vec3d& domainSize) const;
+
+private:
+    cvf::Vec3d m_scale;
+    cvf::Vec3d m_translation;
+};
+
+}