| 7fd59977 |
1 | #include <OSD_FontAspect.hxx> |
| 2 | #include <InterfaceGraphic_tgl_all.hxx> |
| 3 | #include <OpenGl_tgl_all.hxx> |
| 4 | #include <InterfaceGraphic_telem.hxx> |
| 5 | #include <NCollection_DataMap.hxx> |
| 6 | #include <TCollection_AsciiString.hxx> |
| 7 | #include <TCollection_HAsciiString.hxx> |
| 8 | #include <FTFont.h> |
| 9 | |
| 10 | #define NUM_FONT_SIZES 40 |
| 11 | #define NUM_CHAR_FONT 1024 |
| 12 | #define CACHE_SIZE 30 |
| 13 | |
| 14 | class OpenGl_TextRender{ |
| 15 | |
| 16 | public: |
| 17 | |
| 18 | static OpenGl_TextRender* instance(); |
| 19 | Tint FindFont ( Tchar*, OSD_FontAspect, Tfloat, Tfloat = 1. , Tfloat = 1.); |
| 20 | |
| 21 | void StringSize( char *text, GLint *width, GLint *ascent, GLint *descent); |
| 22 | void RenderText( const Standard_Integer id, const char* text); |
| 23 | void RenderText( char*, GLuint, int, GLfloat, GLfloat, GLfloat ); |
| 24 | void ExportText( char* str, char* fontname, GLfloat height, GLfloat angle, GLint alingment, GLfloat x, GLfloat y, GLfloat z, GLboolean is2d ); |
| 25 | #ifdef HAVE_GL2PS |
| 26 | static void getGL2PSFontName(char *src_font, char *ps_font); |
| 27 | #endif |
| 28 | |
| 29 | private: |
| 30 | |
| 31 | static int curFont ; |
| 32 | static int curSize ; |
| 33 | static int curScale ; |
| 34 | static int curTexFont ; |
| 35 | #ifdef HAVE_GL2PS |
| 36 | int alignmentforgl2ps(int Hmode, int Vmode); |
| 37 | #endif |
| 38 | |
| 39 | struct FontMapNode |
| 40 | { |
| 41 | char* enumName; |
| 42 | char* FontName; |
| 43 | OSD_FontAspect fontAspect; |
| 44 | }; |
| 45 | |
| 46 | struct FontEntry |
| 47 | { |
| 48 | char* name; |
| 49 | char* xlfd; |
| 50 | float xsizes[NUM_FONT_SIZES]; |
| 51 | int count; |
| 52 | }; |
| 53 | |
| 54 | FontMapNode searchFontInMap( Handle(TCollection_HAsciiString)& fontName ); |
| 55 | |
| 56 | static FontMapNode fontMap[]; |
| 57 | static FontEntry fontEntry[]; |
| 58 | |
| 59 | OpenGl_TextRender(); |
| 60 | OpenGl_TextRender( const OpenGl_TextRender& ){}; |
| 61 | OpenGl_TextRender& operator = ( const OpenGl_TextRender&){ return *this;}; |
| 62 | ~OpenGl_TextRender(){}; |
| 63 | |
| 64 | |
| 65 | struct OGLFont_Cache |
| 66 | { |
| 67 | FTFont* Font; |
| 68 | Standard_Integer FontHeight; |
| 69 | GLCONTEXT GlContext; |
| 70 | }; |
| 71 | |
| 72 | typedef NCollection_DataMap<Standard_Integer,OGLFont_Cache> FontCache; |
| 73 | FontCache _FontCache; |
| 74 | Standard_Integer _CurrentFontId; |
| 75 | Standard_ShortReal _XCurrentScale, |
| 76 | _YCurrentScale; |
| 77 | |
| 78 | }; |
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