kc3-lang/ftgl/include/FTBBox.h

Branch : - branch - master - tag -

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  Commit

• Author : henry
  Date : 2002-11-29 08:18:41
  Hash : 8f7ed195
  Message : Added Move and operator +

• include/FTBBox.h

• #ifndef     __FTBBox__
  #define     __FTBBox__
  
  #include <ft2build.h>
  #include FT_FREETYPE_H
  #include FT_GLYPH_H
  
  #include "FTGL.h"
  #include "FTPoint.h"
  
  
  /**
   * FTBBox is a convenience class for handling bounding boxes.
   */
  class FTGL_EXPORT FTBBox
  {
      public:
          /**
           * Default constructor. Bounding box is set to zero.
           */
          FTBBox()
          :   lowerX(0),
              lowerY(0),
              lowerZ(0),
              upperX(0),
              upperY(0),
              upperZ(0)
          {}
          
          /**
           * Constructor. Extracts a bounding box from a freetype glyph. Uses
           * the control box for the glyph. <code>FT_Glyph_Get_CBox()</code>
           *
           * @param glyph A freetype glyph
           */
          FTBBox( FT_Glyph glyph)
          {
              FT_BBox bbox;
              FT_Glyph_Get_CBox( glyph, ft_glyph_bbox_subpixels, &bbox );
              
              lowerX = bbox.xMin >> 6;
              lowerY = bbox.yMin >> 6;
              lowerZ = 0;
              upperX = bbox.xMax >> 6;
              upperY = bbox.yMax >> 6;
              upperZ = 0; 
          }       
  
          /**
           * Destructor
           */
          ~FTBBox()
          {}
          
  
          /**
           * Move the Bounding Box by a vector.
           *
           * @param distance The distance to move the bbox in 3D space.
           */
          FTBBox Move( FTPoint distance)
          {
              lowerX += distance.x;
              lowerY += distance.y;
              lowerZ += distance.z;
              upperX += distance.x;
              upperY += distance.y;
              upperZ += distance.z;
              return *this;
          }
  
          /**
           * Operator + Adds two FTBBox's together
           *
           * @param a
           * @param b
           * @return
           */
          friend FTBBox operator + ( const FTBBox &a, const FTBBox &b);
  
          /**
           * The bounds of the box
           */
          // Make these ftPoints & private
          float lowerX, lowerY, lowerZ, upperX, upperY, upperZ;
      protected:
      
      
      private:
  
  };
  
  
  #endif  //  __FTBBox__