boinc/api/ttfont.h

64 lines
2.4 KiB
C++

// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2010 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
// utility functions for TrueType font OpenGL graphics
// FTGL OpenGL TrueType/FreeType font rendering
// you will need to build & link against freetype2 and ftgl
// tested using ftgl version 2.1.3 rc5 and freetype version 2.3.9
// ftgl library: http://sourceforge.net/projects/ftgl/files/FTGL%20Source/
// freetype2 library: http://www.freetype.org/
// this should basically be a drop-in for the old boinc txf_* functions i.e.
// txf_load_font and txf_render_string, with extra options on the latter for rotating etc
// originally adapted by Carl Christensen
#ifndef _TTFONT_H_
#define _TTFONT_H_
// I put in it's own namespace so call TTFont::ttf_load_fonts() etc
namespace TTFont {
extern int g_iFont;
extern void ttf_load_fonts(const char* dir = NULL, const char* strScaleFont = NULL, const int& iScaleFont =30);
extern void ttf_render_string(
const double& x,
const double& y,
const double& z, // text position
const float& fscale, // scale factor
const GLfloat * col, // colour
const char* s, // string ptr
const int& iFont = 0, // font index
const float& fRotAngle = 0.0f, // optional rotation angle
const float& fRotX = 0.0f, // optional rotation vector for X
const float& fRotY = 0.0f, // optional rotation vector for Y
const float& fRotZ = 1.0f, // optional rotation vector for Z
const float& fRadius = 0.0f // circular radius to draw along
);
void ttf_cleanup();
} // namespace
#endif // inclusion