Initial commit

Lts/Plugins/BuildingViewer/Common/BgViewer/viewerCtrl/textcomponent.cpp

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+#include "textcomponent.h"
+
+
+#include <dtEntity/nodemasks.h>
+#include <osg/BlendFunc>
+#include <osg/Geode>
+#include <osg/Geometry>
+#include <osg/LineWidth>
+#include <osg/Node>
+#include <osg/PolygonMode>
+#include <osgText/Text>
+#include <sstream>
+
+namespace VCtrl
+{
+
+
+
+   ////////////////////////////////////////////////////////////////////////////////
+   const dtEntity::StringId TextComponent::TYPE(dtEntity::SID("Text"));
+   const dtEntity::StringId TextComponent::PathId(dtEntity::SID("Path"));
+ 
+   ////////////////////////////////////////////////////////////////////////////////
+   TextComponent::TextComponent()
+      : dtEntityOSG::TransformComponent(new osg::AutoTransform())
+      , mPath(
+           dtEntity::DynamicStringProperty::SetValueCB(this, &TextComponent::SetText),
+           dtEntity:: DynamicStringProperty::GetValueCB(this, &TextComponent::GetText)
+      )      
+   {
+      Register(PathId, &mPath);
+
+      osg::AutoTransform* tr = static_cast<osg::AutoTransform*>(GetNode());
+      tr->setName("text");
+      tr->setAutoRotateMode(osg::AutoTransform::ROTATE_TO_SCREEN);
+      tr->setAutoScaleToScreen(true);
+      tr->setNodeMask(dtEntity::NodeMasks::PICKABLE | dtEntity::NodeMasks::VISIBLE);
+      tr->setNormal(osg::Vec3(0,1,0));
+      osg::StateSet* ss = tr->getOrCreateStateSet();
+      ss->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
+      ss->setRenderBinDetails(90, "DepthSortedBin");
+      ss->setMode(GL_BLEND,osg::StateAttribute::ON);
+      ss->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF);
+      ss->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
+      osg::ref_ptr<osg::LineWidth> lw = new osg::LineWidth();
+      lw->setWidth(2);
+      ss->setAttributeAndModes(lw, osg::StateAttribute::ON);
+
+   }
+
+   ////////////////////////////////////////////////////////////////////////////////
+   void TextComponent::Rebuild()
+   {
+      osg::AutoTransform* tr = static_cast<osg::AutoTransform*>(GetNode());
+      tr->dirtyBound();
+      tr->setInitialBound(osg::BoundingSphere(osg::Vec3(), 10));
+      tr->removeChildren(0, tr->getNumChildren());
+
+      if(!mVisible) return;
+
+      osg::ref_ptr<osg::Geode> g = new osg::Geode();
+      tr->addChild(g);
+      tr->setInitialBound(osg::BoundingSphere(osg::Vec3(), 1));
+
+      osgText::Text* text = new osgText::Text();
+      text->setBackdropType(osgText::Text::NONE);
+      text->setCharacterSize(20);
+      text->setCharacterSizeMode(osgText::TextBase::SCREEN_COORDS);
+      //text->setColor(color);
+      if(mDisText.empty())
+      {
+         text->setText(mText);
+      }
+      else
+      {
+         text->setText(mDisText);
+      }
+      text->setAlignment(osgText::TextBase::CENTER_CENTER);
+      text->setAxisAlignment(osgText::TextBase::SCREEN);
+      //text->setPosition(position);
+      osg::StateSet* ss = text->getOrCreateStateSet();
+      osg::PolygonMode* polyModeObj = new osg::PolygonMode;
+      polyModeObj->setMode(osg::PolygonMode::FRONT_AND_BACK, osg::PolygonMode::FILL);
+      ss->setAttribute(polyModeObj);
+
+      g->addDrawable(text);
+
+      if(mSelected)
+      {
+         int x, y, w, h;
+         int b = 6;
+         x = -25 / 2 - b;
+         y = 0 - b;
+         w = 25 + b * 2;
+         h = 4 + b * 2;
+
+         osg::ref_ptr<osg::Geometry> sel = new osg::Geometry();
+         g->addDrawable(sel);
+         osg::Vec4Array* colours = new osg::Vec4Array(1);
+         (*colours)[0] = osg::Vec4(1,0,0,1);
+         sel->setColorArray(colours);
+         sel->setColorBinding(osg::Geometry::BIND_OVERALL);
+         osg::Vec3Array* coords = new osg::Vec3Array(4);
+         (*coords)[0] = osg::Vec3(x    , y    , 0);
+         (*coords)[1] = osg::Vec3(x    , y + h, 0);
+         (*coords)[2] = osg::Vec3(x + w, y + h, 0);
+         (*coords)[3] = osg::Vec3(x + w, y    , 0);
+         sel->setVertexArray(coords);
+         sel->addPrimitiveSet(new osg::DrawArrays(osg::PrimitiveSet::LINE_LOOP, 0, 4));
+         osg::ref_ptr<osg::PolygonMode> p = new osg::PolygonMode;
+         p->setMode(osg::PolygonMode::FRONT_AND_BACK, osg::PolygonMode::LINE);
+         sel->getOrCreateStateSet()->setAttribute(p);
+      }
+   }
+
+   ////////////////////////////////////////////////////////////////////////////////
+   std::string TextComponent::GetText() const
+   {
+      return mText;
+   }
+
+   ////////////////////////////////////////////////////////////////////////////////
+   void TextComponent::SetText(const std::string& text)
+   {
+      if(mText != text)
+      {
+         mText = text;
+         Rebuild();
+      }
+   }
+
+   ////////////////////////////////////////////////////////////////////////////////
+   std::string TextComponent::GetDisText() const
+   {
+      return mDisText;
+   }
+
+   ////////////////////////////////////////////////////////////////////////////////
+   void TextComponent::SetDisText(const std::string& text)
+   {
+      if(mDisText != text)
+      {
+         mDisText = text;
+         Rebuild();
+      }
+   }
+
+   ////////////////////////////////////////////////////////////////////////////////
+   dtEntity::Vec3d TextComponent::GetTranslation() const
+   {
+      osg::AutoTransform* tr = static_cast<osg::AutoTransform*>(GetNode());
+      return tr->getPosition();
+   }
+
+   ////////////////////////////////////////////////////////////////////////////////
+   void TextComponent::SetTranslation(const dtEntity::Vec3d& v)
+   {
+      osg::AutoTransform* tr = static_cast<osg::AutoTransform*>(GetNode());
+      tr->setPosition(v);
+   }
+
+   ////////////////////////////////////////////////////////////////////////////////
+   dtEntity::Vec3d TextComponent::GetScale() const
+   {
+      osg::AutoTransform* tr = static_cast<osg::AutoTransform*>(GetNode());
+      return tr->getScale();
+   }
+
+   ////////////////////////////////////////////////////////////////////////////////
+   void TextComponent::SetScale(const dtEntity::Vec3d& v)
+   {
+      osg::AutoTransform* tr = static_cast<osg::AutoTransform*>(GetNode());
+      tr->setScale(v);
+   }
+
+   ////////////////////////////////////////////////////////////////////////////////
+   dtEntity::Quat TextComponent::GetRotation() const
+   {
+      osg::AutoTransform* tr = static_cast<osg::AutoTransform*>(GetNode());
+      return tr->getRotation();
+   }
+
+   ////////////////////////////////////////////////////////////////////////////////
+   void TextComponent::SetRotation(const dtEntity::Quat& v)
+   {
+      osg::AutoTransform* tr = static_cast<osg::AutoTransform*>(GetNode());
+      tr->setRotation(v);
+   }
+
+   ////////////////////////////////////////////////////////////////////////////////
+   void TextComponent::SetColor(const osg::Vec4& v)
+   {
+      if(mColor != v)
+      {
+         mColor = v;
+         Rebuild();
+      }
+   }
+
+   ////////////////////////////////////////////////////////////////////////////////
+   bool TextComponent::GetShowSelection() const
+   {
+      return mSelected;
+   }
+
+   ////////////////////////////////////////////////////////////////////////////////
+   void TextComponent::SetShowSelection(bool v)
+   {
+      //if(mSelected != v)
+      {
+         mSelected = v;
+         Rebuild();
+      }
+   }
+
+   ////////////////////////////////////////////////////////////////////////////////
+   void TextComponent::SetVisible(bool v)
+   {
+      //if(mVisible != v)
+      {
+         mVisible = v;
+         Rebuild();
+      }
+   }
+
+   ////////////////////////////////////////////////////////////////////////////
+   TextSystem::TextSystem(dtEntity::EntityManager& em)
+      : dtEntity::DefaultEntitySystem<TextComponent>(em, dtEntityOSG::TransformComponent::TYPE)
+   {
+   }
+
+}