add initial code for creating 3D bar shapes

Change-Id: I55489fad8723f204003fe502eea5e02de4c8d6ef

chart2/Library_chartcore.mk

@@ -28,6 +28,7 @@ $(eval $(call gb_Library_set_precompiled_header,chartcore,$(SRCDIR)/chart2/inc/p
 $(eval $(call gb_Library_use_externals,chartcore,\
 	boost_headers \
 	mdds_headers \
+	glm_headers \
 ))
 
 $(eval $(call gb_Library_use_custom_headers,chartcore,\
@@ -81,6 +82,7 @@ $(eval $(call gb_Library_add_exception_objects,chartcore,\
     chart2/source/view/axes/VPolarCoordinateSystem \
     chart2/source/view/axes/VPolarGrid \
     chart2/source/view/axes/VPolarRadiusAxis \
+    chart2/source/view/charttypes/3DBarChart \
     chart2/source/view/charttypes/AreaChart \
     chart2/source/view/charttypes/BarChart \
     chart2/source/view/charttypes/BarPositionHelper \
@@ -93,6 +95,7 @@ $(eval $(call gb_Library_add_exception_objects,chartcore,\
     chart2/source/view/charttypes/Splines \
     chart2/source/view/charttypes/VSeriesPlotter \
     chart2/source/view/diagram/VDiagram \
+    chart2/source/view/main/3DChartObjects \
     chart2/source/view/main/ChartItemPool \
     chart2/source/view/main/ChartView \
     chart2/source/view/main/Clipping \

chart2/inc/ChartView.hxx

@@ -200,6 +200,8 @@ private: //methods
     ChartView();
 
     void createShapes();
+    void createShapes3D();
+    bool isReal3DChart();
     void getMetaFile( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream >& xOutStream
                       , bool bUseHighContrast );
     SdrPage* getSdrPage();

chart2/source/inc/macros.hxx

@@ -30,7 +30,7 @@
     typeid( ex ).name() << ", Message: " << \
     ex.Message )
 
-#define ENABLE_GL3D_BARCHART 0
+#define ENABLE_GL3D_BARCHART 1
 
 #endif
 

chart2/source/view/charttypes/3DBarChart.cxx

@@ -0,0 +1,69 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include "3DBarChart.hxx"
+
+#include "3DChartObjects.hxx"
+
+#include <glm/glm.hpp>
+#include <glm/gtx/transform.hpp>
+
+namespace chart {
+
+Bar3DChart::Bar3DChart(const std::vector<VDataSeries*>& rDataSeries):
+    maDataSeries(rDataSeries)
+{
+}
+
+Bar3DChart::~Bar3DChart()
+{
+}
+
+void Bar3DChart::create3DShapes()
+{
+    const float nBarSizeX = 10;
+    const float nBarSizeY = 10;
+    const float nBarDistanceX = nBarSizeX / 2;
+    const float nBarDistanceY = nBarSizeY / 2;
+
+    sal_Int32 nSeriesIndex = 0;
+    for(std::vector<VDataSeries*>::const_iterator itr = maDataSeries.begin(),
+            itrEnd = maDataSeries.end(); itr != itrEnd; ++itr)
+    {
+        VDataSeries* pDataSeries = *itr;
+        sal_Int32 nPointCount = pDataSeries->getTotalPointCount();
+        for(sal_Int32 nIndex = 0; nIndex < nPointCount; ++nIndex)
+        {
+            float nVal = pDataSeries->getYValue(nIndex);
+            float nXPos = nIndex * (nBarSizeX + nBarDistanceX);
+            float nYPos = nSeriesIndex * (nBarSizeY + nBarDistanceY);
+
+            glm::mat4 aBarPosition;
+            glm::scale(aBarPosition, nBarSizeX, nBarSizeY, nVal);
+            glm::translate(aBarPosition, nXPos, nYPos, nVal/2);
+
+            maShapes.push_back(new opengl3D::Bar(aBarPosition));
+        }
+
+        ++nSeriesIndex;
+    }
+}
+
+void Bar3DChart::render()
+{
+    for(boost::ptr_vector<opengl3D::Renderable3DObject>::iterator itr = maShapes.begin(),
+            itrEnd = maShapes.end(); itr != itrEnd; ++itr)
+    {
+        itr->render();
+    }
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

chart2/source/view/inc/3DBarChart.hxx

@@ -0,0 +1,41 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <vector>
+#include <boost/ptr_container/ptr_vector.hpp>
+#include "VDataSeries.hxx"
+
+namespace chart {
+
+namespace opengl3D {
+
+class Renderable3DObject;
+
+}
+
+class Bar3DChart
+{
+public:
+    Bar3DChart(const std::vector<VDataSeries*>& rDataSeries);
+    ~Bar3DChart();
+
+    void create3DShapes();
+
+    void render();
+
+private:
+
+    std::vector<VDataSeries*> maDataSeries;
+    boost::ptr_vector<opengl3D::Renderable3DObject> maShapes;
+
+};
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

chart2/source/view/inc/3DChartObjects.hxx

@@ -0,0 +1,71 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <glm/glm.hpp>
+
+#include <tools/color.hxx>
+#include <vcl/bitmapex.hxx>
+
+namespace chart {
+
+namespace opengl3D {
+
+class Renderable3DObject
+{
+public:
+
+    virtual ~Renderable3DObject() {};
+
+    virtual void render() {}
+};
+
+class Bar : public Renderable3DObject
+{
+public:
+    Bar( const glm::mat4& rPosition );
+private:
+    bool mbRoundedCorners;
+    glm::mat4 maPos;
+    Color maColor; // RGBA fill color
+    sal_Int32 nUniqueId;
+};
+
+class Line : public Renderable3DObject
+{
+private:
+    glm::vec3 maPosBegin;
+    glm::vec3 maPosEnd;
+    Color maLineColor; // RGBA line color
+    sal_Int32 nUniqueId;
+};
+
+class Text : public Renderable3DObject
+{
+private:
+    BitmapEx maText;
+    glm::vec3 maTopLeft;
+    glm::vec3 maBottomRight;
+    sal_Int32 nUniqueId;
+};
+
+class Rectangle : public Renderable3DObject
+{
+private:
+    glm::vec3 maTopLeft;
+    glm::vec3 maBottomRight;
+    sal_Int32 nUniqueId;
+    Color maColor; // RGBA fill color
+    Color maLineColor; // RGBA line color
+};
+
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

chart2/source/view/main/3DChartObjects.cxx

@@ -0,0 +1,25 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include "3DChartObjects.hxx"
+
+namespace chart {
+
+namespace opengl3D {
+
+Bar::Bar(const glm::mat4& rPosition):
+    maPos(rPosition)
+{
+}
+
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

chart2/source/view/main/3DChartObjects.hxx

@@ -7,29 +7,45 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
+#include <glm/glm.hpp>
+
+#include <tools/color.hxx>
+#include <vcl/bitmapex.hxx>
+
 namespace chart {
 
-namespace 3d {
+namespace opengl3D {
 
-class Bar
+class Renderable3DObject
 {
+public:
+
+    virtual ~Renderable3DObject() {};
+
+    virtual void render() {}
+};
+
+class Bar : public Renderable3DObject
+{
+public:
+    Bar( const glm::mat4& rPosition );
 private:
     bool mbRoundedCorners;
     glm::mat4 maPos;
     Color maColor; // RGBA fill color
     sal_Int32 nUniqueId;
-}:
+};
 
-class Line
+class Line : public Renderable3DObject
 {
 private:
     glm::vec3 maPosBegin;
     glm::vec3 maPosEnd;
     Color maLineColor; // RGBA line color
     sal_Int32 nUniqueId;
-}:
+};
 
-class Text
+class Text : public Renderable3DObject
 {
 private:
     BitmapEx maText;
@@ -38,7 +54,7 @@ private:
     sal_Int32 nUniqueId;
 };
 
-class Rectangle
+class Rectangle : public Renderable3DObject
 {
 private:
     glm::vec3 maTopLeft;

chart2/source/view/main/ChartView.cxx

@@ -48,6 +48,7 @@
 #include "DateHelper.hxx"
 #include "defines.hxx"
 #include <unonames.hxx>
+#include "3DBarChart.hxx"
 
 #include <rtl/uuid.h>
 #include <comphelper/scopeguard.hxx>
@@ -2398,6 +2399,40 @@ void ChartView::impl_refreshAddIn()
     }
 }
 
+/**
+ * Is it a real 3D chart with a true 3D scene or a 3D chart in a 2D scene.
+ */
+bool ChartView::isReal3DChart()
+{
+    uno::Reference< XDiagram > xDiagram( mrChartModel.getFirstDiagram() );
+    uno::Reference< XCoordinateSystemContainer > xCooSysContainer( xDiagram, uno::UNO_QUERY );
+    if( !xCooSysContainer.is())
+        return false;
+
+    uno::Sequence< uno::Reference< XCoordinateSystem > > aCooSysList( xCooSysContainer->getCoordinateSystems() );
+    for( sal_Int32 nCS = 0; nCS < aCooSysList.getLength(); ++nCS )
+    {
+        uno::Reference< XCoordinateSystem > xCooSys( aCooSysList[nCS] );
+        //
+        //iterate through all chart types in the current coordinate system
+        uno::Reference< XChartTypeContainer > xChartTypeContainer( xCooSys, uno::UNO_QUERY );
+        OSL_ASSERT( xChartTypeContainer.is());
+        if( !xChartTypeContainer.is() )
+            continue;
+
+        uno::Sequence< uno::Reference< XChartType > > aChartTypeList( xChartTypeContainer->getChartTypes() );
+        for( sal_Int32 nT = 0; nT < aChartTypeList.getLength(); ++nT )
+        {
+            uno::Reference< XChartType > xChartType( aChartTypeList[nT] );
+            OUString aChartType = xChartType->getChartType();
+            if( aChartType == "com.sun.star.chart2.GL3DBarChartType" )
+                return true;
+        }
+    }
+
+    return false;
+}
+
 void ChartView::createShapes()
 {
     osl::ResettableMutexGuard aTimedGuard(maTimeMutex);
@@ -2443,6 +2478,12 @@ void ChartView::createShapes()
     pShapeFactory->setPageSize(mxRootShape, aPageSize);
     pShapeFactory->clearPage(mxRootShape);
 
+    if(isReal3DChart())
+    {
+        createShapes3D();
+        return;
+    }
+
     {
         SolarMutexGuard aSolarGuard;
 
@@ -3067,6 +3108,53 @@ IMPL_LINK_NOARG(ChartView, UpdateTimeBased)
     return 0;
 }
 
+void ChartView::createShapes3D()
+{
+    uno::Reference< XDiagram > xDiagram( mrChartModel.getFirstDiagram() );
+    uno::Reference< XCoordinateSystemContainer > xCooSysContainer( xDiagram, uno::UNO_QUERY );
+    if( !xCooSysContainer.is())
+        return;
+
+    uno::Sequence< uno::Reference< XCoordinateSystem > > aCooSysList( xCooSysContainer->getCoordinateSystems() );
+    sal_Int32 nGlobalSeriesIndex = 0;//for automatic symbols
+    std::vector<VDataSeries*> aDataSeries;
+    for( sal_Int32 nCS = 0; nCS < aCooSysList.getLength(); ++nCS )
+    {
+        uno::Reference< XCoordinateSystem > xCooSys( aCooSysList[nCS] );
+
+        //iterate through all chart types in the current coordinate system
+        uno::Reference< XChartTypeContainer > xChartTypeContainer( xCooSys, uno::UNO_QUERY );
+        OSL_ASSERT( xChartTypeContainer.is());
+        if( !xChartTypeContainer.is() )
+            continue;
+        uno::Sequence< uno::Reference< XChartType > > aChartTypeList( xChartTypeContainer->getChartTypes() );
+        for( sal_Int32 nT = 0; nT < aChartTypeList.getLength(); ++nT )
+        {
+            uno::Reference< XChartType > xChartType( aChartTypeList[nT] );
+
+            uno::Reference< XDataSeriesContainer > xDataSeriesContainer( xChartType, uno::UNO_QUERY );
+            OSL_ASSERT( xDataSeriesContainer.is());
+            if( !xDataSeriesContainer.is() )
+                continue;
+
+            uno::Sequence< uno::Reference< XDataSeries > > aSeriesList( xDataSeriesContainer->getDataSeries() );
+            for( sal_Int32 nS = 0; nS < aSeriesList.getLength(); ++nS )
+            {
+                uno::Reference< XDataSeries > xDataSeries( aSeriesList[nS], uno::UNO_QUERY );
+                if(!xDataSeries.is())
+                    continue;
+
+                VDataSeries* pSeries = new VDataSeries( xDataSeries );
+                aDataSeries.push_back(pSeries);
+            }
+        }
+    }
+
+    Bar3DChart aBarChart(aDataSeries);
+    aBarChart.create3DShapes();
+    aBarChart.render();
+}
+
 } //namespace chart
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */