GLF Library
Version 1.0

Functions description:

Function: void glfInit();
Example: glfInit();
Description: Library initialization (must be called before any usage of library)

Function: void glfLoadFont(char *font_name);
Example: glfLoadFont("garamond1.glf");
Description: Loads font to memory from .glf file.

Function: int glfUnloadFont();
Example: glfUnloadFont();
Description: Unload font from memory

Function: int glfUnloadFontD(int font_descriptor);
Example: glfUnloadFontD(1);
Description: Unload font by font_descriptor 

Function: void glfDrawWiredSymbol(unsigned char s);
Example: glfDrawWiredSymbol('a');
Description: Draws wired symbol

Function: void glfDrawWiredString(char *s);
Example: glfDrawWiredString("Hello!");
Description: Draws wired string

Function: void glfDrawSolidSymbol(unsigned char s);
Example: glfDrawSolidSymbol('b');
Description: Draws solid symbol

Function: void glfDrawSolidString(char *s);
Example: glfDrawSolidString("GLF");
Description: Draws solid string

Function: void glfDraw3DWiredSymbol(unsigned char s);
Example: glfDraw3DWiredSymbol('c');
Description: Draws 3D wired symbol

Function: void glfDraw3DWiredString(char *s);
Example: glfDraw3DWiredString("Library");
Description: Draws 3D wired string

Function: void glfDraw3DSolidSymbol(char s);
Example: glfDraw3DSolidSymbol('c');
Description: Draws 3D solid symbol

Function: void glfDraw3DSolidString(char *s);
Example: glfDraw3DSolidString("Hello");
Description: Draws 3D solid string


Function: void glfSetSymbolSpace(float sp);
Example: glfSetSymbolSpace(0.2);
Description: This function sets space between symbols

Function: float glfGetSymbolSpace();
Example: a = glfGetSymbolSpace(); // a is float
Description: This function returns current space between symbols

Function: void glfSetSymbolDepth(float dpth);
Example: glfSetSymbolDepth(0.3);
Description: This function sets depth of 3D text

Function: float glfGetSymbolDepth();
Example: b = glfGetSymbolDepth(); // b is float
Description: This function returns depth of 3D text

Function: int glfSetCurrentFont(int Font_Descriptor); /* Set current font */
Example:: glfSetCurrentFont(1);
Description: Set current font

Function: int glfGetCurrentFont();
Example:  a = glfGetCurrentFont(); // a is integer
Description: Get current font descriptor

-------- Text drawing functions by specified font -------

void glfDrawWiredSymbolF(int font_descriptor, unsigned char s);
void glfDrawWiredStringF(int font_descriptor, char *s);
void glfDrawSolidSymbolF(int font_descriptor, unsigned char s);
void glfDrawSolidStringF(int font_descriptor, char *s);
void glfDraw3DWiredSymbolF(int font_descriptor, unsigned char s);
void glfDraw3DWiredStringF(int font_descriptor, char *s);

Function: void glfGetStringBounds(char *s, float *minx, float *miny, float *maxx, float *maxy);
Description: Get string bounds (minimal x, y and maximal x, y)

Function: void glfGetStringBoundsF(int fd, char *s, float *minx, float *miny, float *maxx, float *maxy);
Description: Get string bounds by specified font

Function: void  glfSetSymbolSpace(float sp);
Description: Set space between symbols (bdefault 0.2f)

Function: float glfGetSymbolSpace(); 
Description: Get space between symbols

Function: void glfSetSpaceSize(float sp);
Description: Set space size (by default 2.0f)

Function: float gltGetSpaceSize();
Description: Get space size

Function: void glfSetSymbolDepth(float dpth);
Description: Set 3D symbols depth in 3D space (default 0.2f)

Function: float glfGetSymbolDepth();
Description: Get current 3D symbols depth

Function: int glfSetCurrentFont(int Font_Descriptor);
Description: Set current font

Function: int glfGetCurrentFont();
Description: Get current font

Function: void glfSetAnchorPoint(int anchp);
Example: glfSetAnchorPoint(GLF_CENTER);
Description: Set anchor point of each symbol, anchp can be:
GLF_LEFT_UP, GLF_LEFT_CENTER, GLF_LEFT_DOWN
GLF_CENTER_UP, GLF_CENTER_CENTER, GLF_CENTER_DOWN, GLF_CENTER
(default: GLF_CENTER)

Function: void glfEnable(int what);
Description: Enable GLF feature. what can be:
GLF_CONSOLE_MESSAGES, GLF_TEXTURING, GLF_CONTOURING

Function: void glfDisable(int what);
Description: Disable GLF feature. what can be:
GLF_CONSOLE_MESSAGES, GLF_TEXTURING, GLF_CONTOURING


-------- Console functions --------

Function: void glfSetConsoleParam(int width, int height);
Example: glfSetConsoleParam(40, 10);
Description: Set console width and height (in symbols)

Function: int glfSetConsoleFont(int Font_Descriptor);
Example: glfSetConsoleFont(font1); // font1 is loaded
Description: Set console font

Function: void glfConsoleClear();
Example: glfConsoleClear();
Description: Clear console and set cursor coorinates at 0, 0

Function: void glfPrint(char *s, int lenght);
Example: glfPrint(s, 10);
Description: Print first 'lenght' symbols of string s

Function: void glfPrintString(char *s);
Example: glfPrintString("Hello GLF!");
Description: Print string s

Function: void glfPrintChar(char s);
Example: glfPrintChar('a');
Description: Print char s