00001 /*---------------------------------------------------------------------------*\ 00002 * OpenSG * 00003 * * 00004 * * 00005 * Copyright (C) 2000-2002 by the OpenSG Forum * 00006 * * 00007 * www.opensg.org * 00008 * * 00009 * contact: dirk@opensg.org, gerrit.voss@vossg.org, jbehr@zgdv.de * 00010 * * 00011 \*---------------------------------------------------------------------------*/ 00012 /*---------------------------------------------------------------------------*\ 00013 * License * 00014 * * 00015 * This library is free software; you can redistribute it and/or modify it * 00016 * under the terms of the GNU Library General Public License as published * 00017 * by the Free Software Foundation, version 2. * 00018 * * 00019 * This library is distributed in the hope that it will be useful, but * 00020 * WITHOUT ANY WARRANTY; without even the implied warranty of * 00021 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00022 * Library General Public License for more details. * 00023 * * 00024 * You should have received a copy of the GNU Library General Public * 00025 * License along with this library; if not, write to the Free Software * 00026 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * 00027 * * 00028 \*---------------------------------------------------------------------------*/ 00029 /*---------------------------------------------------------------------------*\ 00030 * Changes * 00031 * * 00032 * * 00033 * * 00034 * * 00035 * * 00036 * * 00037 \*---------------------------------------------------------------------------*/ 00038 00039 #include "OSGTextTXFGlyph.h" 00040 00041 00042 OSG_BEGIN_NAMESPACE 00043 00044 00045 //---------------------------------------------------------------------- 00046 // Constructor 00047 // Author: pdaehne 00048 //---------------------------------------------------------------------- 00049 TextTXFGlyph::TextTXFGlyph() 00050 : TextGlyph(), _width(0), _height(0), _horiBearingX(0), _horiBearingY(0), 00051 _vertBearingX(0), _vertBearingY(0), _x(0), _y(0), _scale(1.f), _texCoord() 00052 { 00053 _texCoord[COORD_LEFT] = _texCoord[COORD_BOTTOM] = 00054 _texCoord[COORD_RIGHT] = _texCoord[COORD_TOP] = 0.f; 00055 } 00056 00057 00058 //---------------------------------------------------------------------- 00059 // Destructor 00060 // Author: pdaehne 00061 //---------------------------------------------------------------------- 00062 TextTXFGlyph::~TextTXFGlyph() {} 00063 00064 00065 //---------------------------------------------------------------------- 00066 // Returns the width of the glyph 00067 // Author: pdaehne 00068 //---------------------------------------------------------------------- 00069 Real32 TextTXFGlyph::getWidth() const 00070 { return static_cast<Real32>(_width) * _scale; } 00071 00072 00073 //---------------------------------------------------------------------- 00074 // Returns the height of the glyph 00075 // Author: pdaehne 00076 //---------------------------------------------------------------------- 00077 Real32 TextTXFGlyph::getHeight() const 00078 { return static_cast<Real32>(_height) * _scale; } 00079 00080 00081 //---------------------------------------------------------------------- 00082 // Returns the x bearing of the glyph for horizontal layout 00083 // Author: pdaehne 00084 //---------------------------------------------------------------------- 00085 Real32 TextTXFGlyph::getHoriBearingX() const 00086 { return static_cast<Real32>(_horiBearingX) * _scale; } 00087 00088 00089 //---------------------------------------------------------------------- 00090 // Returns the y bearing of the glyph for horizontal layout 00091 // Author: pdaehne 00092 //---------------------------------------------------------------------- 00093 Real32 TextTXFGlyph::getHoriBearingY() const 00094 { return static_cast<Real32>(_horiBearingY) * _scale; } 00095 00096 00097 //---------------------------------------------------------------------- 00098 // Returns the x bearing of the glyph for vertical layout 00099 // Author: pdaehne 00100 //---------------------------------------------------------------------- 00101 Real32 TextTXFGlyph::getVertBearingX() const 00102 { return static_cast<Real32>(_vertBearingX) * _scale; } 00103 00104 00105 //---------------------------------------------------------------------- 00106 // Returns the y bearing of the glyph for vertical layout 00107 // Author: pdaehne 00108 //---------------------------------------------------------------------- 00109 Real32 TextTXFGlyph::getVertBearingY() const 00110 { return static_cast<Real32>(_vertBearingY) * _scale; } 00111 00112 00113 //---------------------------------------------------------------------- 00114 // Calculates coordinates 00115 // Author: pdaehne 00116 //---------------------------------------------------------------------- 00117 void TextTXFGlyph::calculateCoordinates(UInt32 textureWidth, 00118 UInt32 textureHeight) 00119 { 00120 Real32 w = static_cast<Real32>(textureWidth); 00121 Real32 h = static_cast<Real32>(textureHeight); 00122 _texCoord[TextTXFGlyph::COORD_LEFT] = _x / w; 00123 _texCoord[TextTXFGlyph::COORD_BOTTOM] = _y / h; 00124 _texCoord[TextTXFGlyph::COORD_RIGHT] = (_x + _width) / w; 00125 _texCoord[TextTXFGlyph::COORD_TOP] = (_y + _height) / h; 00126 } 00127 00128 00129 OSG_END_NAMESPACE 00130 00131 00132 /*------------------------------------------------------------------------*/ 00133 /* cvs id's */ 00134 00135 #ifdef OSG_SGI_CC 00136 #pragma set woff 1174 00137 #endif 00138 00139 #ifdef OSG_LINUX_ICC 00140 #pragma warning( disable : 177 ) 00141 #endif 00142 00143 namespace 00144 { 00145 static OSG::Char8 cvsid_cpp[] = "@(#)$Id: OSGTextTXFGlyph.cpp,v 1.1 2005/03/03 13:43:07 a-m-z Exp $"; 00146 static OSG::Char8 cvsid_hpp[] = OSGTEXTTXFGLYPH_HEADER_CVSID; 00147 static OSG::Char8 cvsid_inl[] = OSGTEXTTXFGLYPH_INLINE_CVSID; 00148 } 00149 00150 #ifdef __sgi 00151 #pragma reset woff 1174 00152 #endif
1.4.3