src/GLViewer/GLViewer_Drawer.h

   1 // File:      GLViewer_Drawer.h
   2 // Created:   November, 2004
   3 // Author:    OCC team
   4 // Copyright (C) CEA 2004
   5
   6 /***************************************************************************
   7 **  Class:   GLViewer_Drawer
   8 **  Descr:   Drawer for GLViewer_Object
   9 **  Module:  GLViewer
  10 **  Created: UI team, 01.10.01
  11 ****************************************************************************/
  12 #ifndef GLVIEWER_DRAWER_H
  13 #define GLVIEWER_DRAWER_H
  14
  15 #ifdef WNT
  16 #include "windows.h"
  17 #endif
  18
  19 #include <qcolor.h>
  20 #include <qobject.h>
  21 #include <qfile.h>
  22 #include <qfont.h>
  23 #include <qgl.h>
  24
  25 #include <GL/gl.h>
  26
  27 #include "GLViewer.h"
  28 #include "GLViewer_Defs.h"
  29
  30 class GLViewer_Object;
  31 class GLViewer_Rect;
  32 class GLViewer_CoordSystem;
  33
  34 #ifdef WNT
  35 #pragma warning( disable:4251 )
  36 #endif
  37
  38 struct GLVIEWER_API GLViewer_TexIdStored
  39 {
  40   GLuint      myTexFontId;
  41   int         myTexFontWidth;
  42   int         myTexFontHeight;
  43 };
  44
  45 struct GLVIEWER_API GLViewer_TexFindId
  46 {
  47   QString     myFontString;
  48   int         myViewPortId;
  49   bool operator < (const GLViewer_TexFindId theStruct) const
  50   {
  51     if ( myViewPortId != theStruct.myViewPortId ) return myViewPortId < theStruct.myViewPortId;
  52     else return myFontString < theStruct.myFontString;
  53   }
  54 };
  55
  56 class GLVIEWER_API GLViewer_TexFont
  57 {
  58 public:
  59   GLViewer_TexFont();
  60   GLViewer_TexFont( QFont* theFont, int theSeparator = 2 );
  61   ~GLViewer_TexFont();
  62
  63   void            generateTexture();
  64   void            drawString( QString theStr, GLdouble theX = 0.0, GLdouble theY = 0.0 );
  65
  66   int             getSeparator(){ return mySeparator; }
  67   void            setSeparator( int theSeparator ){ mySeparator = theSeparator; }
  68
  69   int             getStringWidth( QString );
  70   int             getStringHeight();
  71
  72   static  QMap<GLViewer_TexFindId,GLViewer_TexIdStored> TexFontBase;
  73   static  int         LastmyTexStoredId;
  74
  75 protected:
  76   int*            myWidths;
  77   int*            myPositions;
  78   QFont           myQFont;
  79   GLuint          myTexFont;
  80   int             myTexFontWidth;
  81   int             myTexFontHeight;
  82   int             mySeparator;
  83 };
  84
  85 /***************************************************************************
  86 **  Class:   GLViewer_Drawer
  87 **  Descr:   Drawer for GLObject
  88 **  Module:  GLViewer
  89 **  Created: UI team, 03.10.01
  90 ****************************************************************************/
  91 class GLVIEWER_API GLViewer_Drawer
  92 {
  93 public:
  94     enum { GLText_Center = 0, GLText_Left, GLText_Right, GLText_Top, GLText_Bottom };
  95
  96 public:
  97   GLViewer_Drawer();
  98   virtual ~GLViewer_Drawer();
  99
 100   enum ObjectStatus { OS_Normal = 0, OS_Highlighted = 1, OS_Selected = 2 };
 101   enum ClosedStatus { CS_CLOSED = 0, CS_OPEN = 1 };
 102
 103   virtual void                    create( float, float, bool ) = 0;
 104
 105   virtual void                    addObject( GLViewer_Object* theObject ){ myObjects.append( theObject ); }
 106   virtual void                    clear(){ myObjects.clear(); }
 107
 108   QString                         getObjectType() const { return myObjectType; }
 109   int                             getPriority() const { return myPriority; }
 110
 111   static void                     destroyAllTextures();
 112
 113   virtual bool                    translateToHPGL( QFile& hFile, GLViewer_CoordSystem* aViewerCS, GLViewer_CoordSystem* aHPGLCS );
 114   virtual bool                    translateToPS( QFile& hFile, GLViewer_CoordSystem* aViewerCS, GLViewer_CoordSystem* aPSCS );
 115
 116 #ifdef WIN32
 117   virtual bool                    translateToEMF( HDC hDC, GLViewer_CoordSystem* aViewerCS, GLViewer_CoordSystem* aEMFCS );
 118 #endif
 119
 120   GLuint                          loadTexture( const QString& fileName );
 121   void                            drawTexture( GLuint texture, GLint size, GLfloat x, GLfloat y );
 122
 123   void                            drawText( const QString& text,
 124                                             GLfloat xPos, GLfloat yPos,
 125                                             const QColor& color,
 126                                             QFont* aFont, int,
 127                                             DisplayTextFormat = DTF_BITMAP );
 128
 129   void                            drawGLText( QString text, float x, float y,
 130                                               int hPosition = GLText_Center, int vPosition = GLText_Center,
 131                                               QColor color = Qt::black, bool smallFont = false );
 132
 133   static void                     drawRectangle( GLViewer_Rect*, QColor = Qt::black );
 134
 135 protected:
 136   virtual void                    drawText( GLViewer_Object* );
 137
 138   float                           myXScale;
 139   float                           myYScale;
 140
 141   QValueList<GLViewer_Object*>    myObjects;
 142   GLuint                          myTextList;
 143
 144   QString                         myObjectType;
 145   int                             myPriority;
 146 };
 147
 148 #ifdef WNT
 149 #pragma warning ( default:4251 )
 150 #endif
 151
 152 #endif // GLVIEWER_DRAWER_H