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_Text;
  32 class GLViewer_AspectLine;
  33 class GLViewer_CoordSystem;
  34
  35 #ifdef WNT
  36 #pragma warning( disable:4251 )
  37 #endif
  38
  39 struct GLVIEWER_EXPORT GLViewer_TexIdStored
  40 {
  41     GLuint      myTexFontId;
  42     int         myTexFontWidth;
  43     int         myTexFontHeight;
  44 };
  45
  46 struct GLVIEWER_EXPORT GLViewer_TexFindId
  47 {
  48     QString     myFontString;
  49     int         myViewPortId;
  50     bool operator < (const GLViewer_TexFindId theStruct) const
  51     {
  52       if ( myViewPortId != theStruct.myViewPortId ) return myViewPortId < theStruct.myViewPortId;
  53       else return myFontString < theStruct.myFontString;
  54     }
  55 };
  56
  57 class GLVIEWER_EXPORT GLViewer_TexFont
  58 {
  59 public:
  60     GLViewer_TexFont();
  61     GLViewer_TexFont( QFont* theFont, int theSeparator = 2 );
  62     ~GLViewer_TexFont();
  63
  64     void            generateTexture();
  65     void            drawString( QString theStr, GLdouble theX = 0.0, GLdouble theY = 0.0 );
  66
  67     int             getSeparator(){ return mySeparator; }
  68     void            setSeparator( int theSeparator ){ mySeparator = theSeparator; }
  69
  70     int             getStringWidth( QString );
  71     int             getStringHeight();
  72
  73     static  QMap<GLViewer_TexFindId,GLViewer_TexIdStored> TexFontBase;
  74     static  int         LastmyTexStoredId;
  75
  76 protected:
  77     int*            myWidths;
  78     int*            myPositions;
  79     QFont           myQFont;
  80     GLuint          myTexFont;
  81     int             myTexFontWidth;
  82     int             myTexFontHeight;
  83     int             mySeparator;
  84 };
  85
  86 /***************************************************************************
  87 **  Class:   GLViewer_Drawer
  88 **  Descr:   Drawer for GLObject
  89 **  Module:  GLViewer
  90 **  Created: UI team, 03.10.01
  91 ****************************************************************************/
  92 class GLVIEWER_EXPORT GLViewer_Drawer: public QObject
  93 {
  94     Q_OBJECT
  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(){ return myObjectType; }
 109
 110     static void                     destroyAllTextures();
 111
 112     virtual bool                    translateToHPGL( QFile& hFile, GLViewer_CoordSystem* aViewerCS, GLViewer_CoordSystem* aHPGLCS );
 113     virtual bool                    translateToPS( QFile& hFile, GLViewer_CoordSystem* aViewerCS, GLViewer_CoordSystem* aPSCS );
 114
 115 #ifdef WIN32
 116     virtual bool                    translateToEMF( HDC hDC, GLViewer_CoordSystem* aViewerCS, GLViewer_CoordSystem* aEMFCS );
 117 #endif
 118
 119     void                            drawText( const QString& text,
 120                                               GLfloat xPos, GLfloat yPos,
 121                                               const QColor& color,
 122                                               QFont* aFont, int,
 123                                               DisplayTextFormat = DTF_BITMAP );
 124  protected:
 125     virtual void                    drawText( GLViewer_Object* );
 126
 127     float                           myXScale;
 128     float                           myYScale;
 129
 130     QValueList<GLViewer_Object*>    myObjects;
 131     GLuint                          myTextList;
 132
 133     QString                         myObjectType;
 134 };
 135
 136 /***************************************************************************
 137 **  Class:   GLViewer_MarkerDrawer
 138 **  Descr:   Drawer for GLViewer_MarkerSet
 139 **  Module:  GLViewer
 140 **  Created: UI team, 03.10.01
 141 ****************************************************************************/
 142 #ifndef GLVIEWER_MARKERDRAWER_H
 143 #define GLVIEWER_MARKERDRAWER_H
 144
 145 class GLVIEWER_EXPORT GLViewer_MarkerDrawer : public GLViewer_Drawer
 146 {
 147 public:
 148     GLViewer_MarkerDrawer();
 149     ~GLViewer_MarkerDrawer();
 150
 151     virtual void       create( float, float, bool );
 152
 153 private:
 154     void               drawMarker( float&, float&, float&, QColor&, GLViewer_AspectLine* );
 155 };
 156
 157 #endif // GLVIEWER_MARKERDRAWER_H
 158
 159 /***************************************************************************
 160 **  Class:   GLViewer_PolylineDrawer
 161 **  Descr:   Drawer for GLViewer_Polyline
 162 **  Module:  GLViewer
 163 **  Created: UI team, 03.10.01
 164 ****************************************************************************/
 165 #ifndef GLVIEWER_POLYLINEDRAWER_H
 166 #define GLVIEWER_POLYLINEDRAWER_H
 167
 168 class GLVIEWER_EXPORT GLViewer_PolylineDrawer : public GLViewer_Drawer
 169 {
 170 public:
 171     GLViewer_PolylineDrawer();
 172     ~GLViewer_PolylineDrawer();
 173
 174     virtual void       create( float, float, bool );
 175 };
 176
 177 #endif // GLVIEWER_POLYLINEDRAWER_H
 178
 179 /***************************************************************************
 180 **  Class:   GLViewer_TextDrawer
 181 **  Descr:
 182 **  Module:  GLViewer
 183 **  Created: UI team, 27.02.04
 184 ****************************************************************************/
 185 #ifndef GLVIEWER_TEXTDRAWER
 186 #define GLVIEWER_TEXTDRAWER
 187
 188 class GLVIEWER_EXPORT GLViewer_TextDrawer: public GLViewer_Drawer
 189 {
 190
 191 public:
 192     GLViewer_TextDrawer();
 193     ~GLViewer_TextDrawer();
 194
 195     virtual void              create( float, float, bool );
 196     void                      updateObjects(); //after update font
 197 };
 198
 199 #endif // GLVIEWER_TEXTDRAWER
 200
 201 #ifdef WNT
 202 #pragma warning ( default:4251 )
 203 #endif
 204
 205 #endif // GLVIEWER_DRAWER_H