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102 lines
3.3 KiB
C++
Executable File
102 lines
3.3 KiB
C++
Executable File
// Copyright (c) 1999-2012 OPEN CASCADE SAS
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//
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// The content of this file is subject to the Open CASCADE Technology Public
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// License Version 6.5 (the "License"). You may not use the content of this file
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// except in compliance with the License. Please obtain a copy of the License
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// at http://www.opencascade.org and read it completely before using this file.
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//
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// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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//
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// The Original Code and all software distributed under the License is
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// distributed on an "AS IS" basis, without warranty of any kind, and the
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// Initial Developer hereby disclaims all such warranties, including without
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// limitation, any warranties of merchantability, fitness for a particular
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// purpose or non-infringement. Please see the License for the specific terms
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// and conditions governing the rights and limitations under the License.
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#ifndef OPENGL_FONT_MGR_H
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#define OPENGL_FONT_MGR_H
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#ifdef WNT
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# include <windows.h>
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# include <stdlib.h>
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#endif
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#include <FTFont.h>
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#include <InterfaceGraphic.hxx>
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#include <TCollection_HAsciiString.hxx>
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#include <NCollection_List.hxx>
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#include <NCollection_DataMap.hxx>
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#include <Graphic3d_NListOfHAsciiString.hxx>
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#include <OSD_FontMgr.hxx>
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void dump_texture();
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class OpenGl_FontMgr
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{
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public:
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static OpenGl_FontMgr* instance();
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int request_font( const Handle(TCollection_HAsciiString)& fontName,
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const OSD_FontAspect fontAspect,
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const Standard_Integer fontHeight );
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void render_text( const Standard_Integer id,
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const wchar_t* text,
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const Standard_Boolean is2d = Standard_False );
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//render text by last requested font
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void render_text( const wchar_t* text,
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const Standard_Boolean is2d = Standard_False );
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//returns direct access to FTGL font
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//Warning: don't change font pointer.
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const FTFont* fontById( const Standard_Integer id );
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//returns width of string
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Standard_ShortReal computeWidth( const Standard_Integer id, const wchar_t *str );
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bool requestFontList( Graphic3d_NListOfHAsciiString& );
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void setCurrentScale( const Standard_ShortReal xScale = 1.f,
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const Standard_ShortReal yScale = 1.f);
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private:
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OpenGl_FontMgr();
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OpenGl_FontMgr( const OpenGl_FontMgr& ){};
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OpenGl_FontMgr& operator = ( const OpenGl_FontMgr&){ return *this;};
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~OpenGl_FontMgr(){};
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void _initializeFontDB();
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typedef NCollection_List<Standard_Integer> IDList;
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struct OGLFont_SysInfo {
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Handle(OSD_SystemFont) SysFont;
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IDList GeneratedFonts;
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};
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struct OGLFont_Cache {
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FTFont* Font;
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Standard_Integer FontHeight;
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GLCONTEXT GlContext;
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};
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typedef NCollection_List<OGLFont_SysInfo*> FontDataBase;
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typedef FontDataBase::Iterator FontDBIt;
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typedef NCollection_DataMap<Standard_Integer,OGLFont_Cache> FontCache;
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typedef FontCache::Iterator FCacheIt;
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FontDataBase _FontDB;
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FontCache _FontCache;
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Standard_Integer _CurrentFontId;
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Standard_ShortReal _XCurrentScale,
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_YCurrentScale;
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};
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#endif //OPENGL_FONT_MGR_H
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