text: /*
    ==============================================================================
  
     This file is part of the JUCE library.
     Copyright (c) 2013 - Raw Material Software Ltd.
  
     Permission is granted to use this software under the terms of either:
     a) the GPL v2 (or any later version)
     b) the Affero GPL v3
  
     Details of these licenses can be found at: www.gnu.org/licenses
  
     JUCE 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 General Public License for more details.
  
     ------------------------------------------------------------------------------
  
     To release a closed-source product which uses JUCE, commercial licenses are
     available: visit www.juce.com for more information.
  
    ==============================================================================
  */
  
  #ifndef JUCE_BOX2DRENDERER_H_INCLUDED
  #define JUCE_BOX2DRENDERER_H_INCLUDED
  
  //=============================================================================
  /** A simple implementation of the b2Draw class, used to draw a Box2D world.
  
      To use it, simply create an instance of this class in your paint() method,
      and call its render() method.
  */
  class Box2DRenderer   : public b2Draw
  
  {
  public:
      Box2DRenderer() noexcept;
  
      /** Renders the world.
  
          @param g        the context to render into
          @param world    the world to render
          @param box2DWorldLeft   the left coordinate of the area of the world to be drawn
          @param box2DWorldTop    the top coordinate of the area of the world to be drawn
          @param box2DWorldRight  the right coordinate of the area of the world to be drawn
          @param box2DWorldBottom the bottom coordinate of the area of the world to be drawn
          @param targetArea   the area within the target context onto which the source
                              world rectangle should be mapped
      */
      void render (Graphics& g,
                   b2World& world,
                   float box2DWorldLeft, float box2DWorldTop,
                   float box2DWorldRight, float box2DWorldBottom,
                   const Rectangle<float>& targetArea);
  
      // b2Draw methods:
      void DrawPolygon (const b2Vec2*, int32, const b2Color&) override;
      void DrawSolidPolygon (const b2Vec2*, int32, const b2Color&) override;
      void DrawCircle (const b2Vec2& center, float32 radius, const b2Color&) override;
      void DrawSolidCircle (const b2Vec2& center, float32 radius, const b2Vec2& axis, const b2Color&) override;
      void DrawSegment (const b2Vec2& p1, const b2Vec2& p2, const b2Color&) override;
      void DrawTransform (const b2Transform& xf) override;
  
      /** Converts a b2Color to a juce Colour. */
      virtual Colour getColour (const b2Color&) const;
      /** Returns the thickness to use for drawing outlines. */
      virtual float getLineThickness() const;
  
  protected:
      Graphics* graphics;
  
      JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (Box2DRenderer)
  };
  
  
  #endif   // JUCE_BOX2DRENDERER_H_INCLUDED
  