effca9da5e
- use OpenGL 2.0 instead of OpenGL 1.0; - port to Raspberry Pi; - remove PLib dependencies.
80 lines
2.6 KiB
C++
80 lines
2.6 KiB
C++
//
|
|
// This program is free software; you can redistribute it and/or
|
|
// modify it under the terms of the GNU General Public License as
|
|
// published by the Free Software Foundation; either version 2 of the
|
|
// License, or (at your option) any later version.
|
|
//
|
|
// This program 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
|
|
// General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program; if not, write to the Free Software
|
|
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
//
|
|
#ifndef __FGFONTCACHE_HXX
|
|
#define __FGFONTCACHE_HXX
|
|
|
|
#include <string>
|
|
#include <map>
|
|
#include <ft2build.h>
|
|
#include FT_FREETYPE_H
|
|
|
|
#if defined (SG_MAC)
|
|
#include <OpenGL/gl.h>
|
|
#include <GLUT/glut.h>
|
|
#elif defined (_GLES2)
|
|
#include <GLES2/gl2.h>
|
|
#else
|
|
#include <GL/glew.h> // Must be included before <GL/gl.h>
|
|
#include <GL/gl.h>
|
|
#include <GL/glut.h>
|
|
#endif
|
|
|
|
using namespace std;
|
|
|
|
/**
|
|
* A class to keep all fonts available for future use.
|
|
* This also assures a font isn't resident more than once.
|
|
*/
|
|
class FGFontCache {
|
|
public:
|
|
FGFontCache ();
|
|
~FGFontCache ();
|
|
bool Set_Font (const string& Font_Name,
|
|
const float Size,
|
|
GLuint &Glyph_Texture);
|
|
bool Get_Char (const char Char,
|
|
int &X, int &Y,
|
|
int &Left, int &Bottom,
|
|
int &W, int &H,
|
|
double &X1, double &Y1, // Top (Y1) left (X1)
|
|
double &X2, double &Y2) const; // Bottom (Y2) right (X2)
|
|
private:
|
|
void Get_Pos (const unsigned short ASCII_Code,
|
|
const unsigned short Row,
|
|
const unsigned short Width,
|
|
unsigned int &Line,
|
|
unsigned int &Column) const;
|
|
void Get_Relative_Pos (const unsigned short ASCII_Code,
|
|
const unsigned short Row,
|
|
const unsigned short Width,
|
|
double &X,
|
|
double &Y) const;
|
|
static string Get_Size (const float Size);
|
|
static const unsigned short First_Printable_Char;
|
|
static const unsigned short Last_Printable_Char;
|
|
static const unsigned int Texture_Size = 1024;
|
|
FT_Library m_Ft;
|
|
typedef map <string, FT_Face *> Face_Map_Type;
|
|
Face_Map_Type m_Face_Map;
|
|
FT_Face *m_Current_Face_Ptr;
|
|
char m_Texture[Texture_Size * Texture_Size];
|
|
typedef map <string, unsigned int> Pos_Map_Type;
|
|
Pos_Map_Type m_Pos_Map;
|
|
unsigned int m_Current_Pos;
|
|
GLuint m_Glyph_Texture;
|
|
};
|
|
|
|
#endif
|