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/* Library initialization (must be called before any usage of library) */
void glfInit();
/* Library closing (must be called after usage of library) */
void glfClose();
int glfUnloadFont(); /* Unload font from memory */
int glfUnloadBFont(); /* Unload current BMF font */
int glfUnloadFontD(int font_descriptor); /* Unload font by font_descriptor */
int glfUnloadBFontD(int bmf_descriptor); /* Unload BMF font by bmf_descriptor */
/* Text drawing functions */
/* --------- Vector Fonts ---------------- */
void glfDrawWiredSymbol(char s); /* Draw wired symbol */
void glfDrawWiredString(const char *s); /* Draw wired string */
void glfDrawSolidSymbol(char s); /* Draw solid symbol */
void glfDrawSolidString(const char *s); /* Draw wired string */
void glfDraw3DWiredSymbol(char s); /* Draw 3D wired symbol */
void glfDraw3DWiredString(const char *s); /* Draw 3D wired string */
void glfDraw3DSolidSymbol(char s); /* Draw 3D solid symbol */
void glfDraw3DSolidString(const char *s); /* Draw 3D solid string */
/* --------- Bitmap Fonts ---------------- */
int glfBeginBFont(int Font_Descriptor); /* Must be called before bitmap text drawing */
void glfEndBFont(); /* Must be called before bitmap text drawing */
void glfDrawBSymbol(char s); /* Draw one symbol by bitmapped font */
void glfDrawBString(const char *s); /* Draw string by bitmapped font */
void glfDrawBMaskSymbol(char s); /* Draw one symbol by bitmapped font (using mask) */
void glfDrawBMaskString(const char *s); /* Draw string by bitmapped font (using mask) */
/* Text drawing functions by specified font */
void glfDrawWiredSymbolF(int font_descriptor, char s);
void glfDrawWiredStringF(int font_descriptor, const char *s);
void glfDrawSolidSymbolF(int font_descriptor, char s);
void glfDrawSolidStringF(int font_descriptor, const char *s);
void glfDraw3DWiredSymbolF(int font_descriptor, char s);
void glfDraw3DWiredStringF(int font_descriptor, const char *s);
void glfDraw3DSolidSymbolF(int font_descriptor, char s);
void glfDraw3DSolidStringF(int font_descriptor, const char *s);
/* Text control functions */
void glfGetStringBoundsF(int fd, const char *s, float *minx, float *miny, float *maxx, float *maxy);
void glfGetStringBounds(const char *s, float *minx, float *miny, float *maxx, float *maxy);
void glfSetSymbolSpace(float sp); /* Set space between symbols */
float glfGetSymbolSpace(); /* Get space between symbols */
void glfSetSpaceSize(float sp); /* Set space size */
float glfGetSpaceSize(); /* Get current space size */
void glfSetSymbolDepth(float dpth); /* Set depth of 3D symbol */
float glfGetSymbolDepth(); /* Get depth of 3D symbol */
int glfSetCurrentFont(int Font_Descriptor); /* Set current font */
int glfSetCurrentBFont(int Font_Descriptor); /* Set current bitmap font */
int glfGetCurrentFont(); /* Get current font descriptor */
int glfGetCurrentBFont(); /* Get current bitmap font descriptor */
void glfSetAnchorPoint(int anchp); /* Set symbol anchor point */
void glfSetContourColor(float r, float g, float b, float a); /* Contour color */
/* Enable or Disable GLF features */
void glfEnable(int what); /* Enable GLF feature 'what' */
void glfDisable(int what); /* Disable GLF feature 'what' */
/* Console functions */
void glfSetConsoleParam(int width, int height);
int glfSetConsoleFont(int Font_Descriptor);
void glfConsoleClear();
void glfPrint(const char *s, int lenght);
void glfPrintString(const char *s);
void glfPrintChar(char s);
void glfConsoleDraw();
void glfSetCursorBlinkRate(int Rate);
/* -------- Centering and direction ------------ */
void glfStringCentering(GLboolean center); /* Set string centering for vector fonts */
GLboolean glfGetStringCentering(); /* Get string centering for vector fonts */
void glfBitmapStringCentering(GLboolean center); /* Set string centering for bitmap fonts */
GLboolean glfBitmapGetStringCentering(); /* Set string centering for bitmap fonts */
/* String direction for vector font (GLF_LEFT, GLF_RIGHT, GLF_UP, GLF_DOWN) */
/* GLF_LEFT by default */
void glfStringDirection(GLuint direction);
GLuint glfGetStringDirection();
/* -------- Rotating ------------ */
void glfSetRotateAngle(float angle); /* Set rotate angle for vector fonts */
void glfSetBRotateAngle(float angle); /* Set rotate angle for bitmap fonts */
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