nlua_font.c File Reference

Handles fonts. More...

#include "nlua_font.h"
#include "ndata.h"
#include "nluadef.h"

Include dependency graph for nlua_font.c:

Go to the source code of this file.

Functions
static int	fontL_gc (lua_State *L)
	Frees a font.
static int	fontL_eq (lua_State *L)
	Compares two fonts to see if they are the same.
static int	fontL_new (lua_State *L)
	Gets a font.
static int	fontL_height (lua_State *L)
	Gets the height of a font.
static int	fontL_width (lua_State *L)
	Gets the width of some text for a font.
static int	fontL_setFilter (lua_State *L)
	Sets the font minification and magnification filters.
static int	fontL_addFallback (lua_State *L)
	Adds a fallback to a font.
int	nlua_loadFont (nlua_env env)
	Loads the font library.
glFont *	lua_tofont (lua_State *L, int ind)
	Lua bindings to interact with fonts.
glFont *	luaL_checkfont (lua_State *L, int ind)
	Gets font at index or raises error if there is no font at index.
glFont *	lua_pushfont (lua_State *L, glFont font)
	Pushes a font on the stack.
int	lua_isfont (lua_State *L, int ind)
	Checks to see if ind is a font.

Variables
static const luaL_Reg	fontL_methods []

Detailed Description

Handles fonts.

Definition in file nlua_font.c.

Function Documentation

fontL_addFallback()

int fontL_addFallback ( lua_State * L )

static

Adds a fallback to a font.

Lua function parameter: Font font Font to set fallback to. Lua function parameter: string filename Name of the font to add. Lua function parameter:[opt=""] string prefix Prefix to use for the fonts.

Parameters

L

Lua State

Returns

Number of variables on the Lua State stack.

Lua function: addFallback

Definition at line 251 of file nlua_font.c.

fontL_eq()

int fontL_eq ( lua_State * L )

static

Compares two fonts to see if they are the same.

Lua function parameter: Font f1 Font 1 to compare. Lua function parameter: Font f2 Font 2 to compare. Lua return parameter: boolean true if both fonts are the same.

Parameters

L

Lua State

Returns

Number of variables on the Lua State stack.

Lua function: __eq

Definition at line 137 of file nlua_font.c.

fontL_gc()

int fontL_gc ( lua_State * L )

static

Frees a font.

Lua function parameter: Font font Font to free.

Parameters

L

Lua State

Returns

Number of variables on the Lua State stack.

Lua function: __gc

Definition at line 123 of file nlua_font.c.

fontL_height()

int fontL_height ( lua_State * L )

static

Gets the height of a font.

Lua function parameter: Font f Font to get the height of. Lua return parameter: number Height of the font.

Parameters

L

Lua State

Returns

Number of variables on the Lua State stack.

Lua function: height

Definition at line 192 of file nlua_font.c.

fontL_new()

int fontL_new ( lua_State * L )

static

Gets a font.

Lua function parameter: String|Number fontname Name of the font. Lua function parameter:[opt=1.] size Number Font height. Lua return parameter: Font A newly created font. Lua return parameter: String Name of the newly created font. Lua return parameter: String Prefix of the newly created font.

Parameters

L

Lua State

Returns

Number of variables on the Lua State stack.

Lua function: new

Definition at line 156 of file nlua_font.c.

fontL_setFilter()

int fontL_setFilter ( lua_State * L )

static

Sets the font minification and magnification filters.

Lua function parameter: Font font Font to set filter. Lua function parameter: string min Minification filter ("nearest" or "linear") Lua function parameter:[opt] string mag Magnification filter ("nearest" or "linear"). Defaults to min.

Parameters

L

Lua State

Returns

Number of variables on the Lua State stack.

Lua function: setFilter

Definition at line 225 of file nlua_font.c.

fontL_width()

int fontL_width ( lua_State * L )

static

Gets the width of some text for a font.

Lua function parameter: Font f Font to use. Lua function parameter: string text Text to get width of. Lua return parameter: number Height of the font.

Parameters

L

Lua State

Returns

Number of variables on the Lua State stack.

Lua function: width

Definition at line 207 of file nlua_font.c.

lua_isfont()

int lua_isfont	(	lua_State *	L,
		int	ind )

Checks to see if ind is a font.

Parameters

L	Lua state to check.
ind	Index position to check.

Returns

1 if ind is a font.

Definition at line 101 of file nlua_font.c.

lua_pushfont()

glFont * lua_pushfont	(	lua_State *	L,
		glFont	font )

Pushes a font on the stack.

Parameters

L	Lua state to push font into.
font	Font to push.

Returns

Newly pushed font.

Definition at line 86 of file nlua_font.c.

lua_tofont()

glFont * lua_tofont	(	lua_State *	L,
		int	ind )

Lua bindings to interact with fonts.

Lua module: font

Gets font at index.

Parameters

L	Lua state to get font from.
ind	Index position to find the font.

Returns

Font found at the index in the state.

Definition at line 61 of file nlua_font.c.

luaL_checkfont()

glFont * luaL_checkfont	(	lua_State *	L,
		int	ind )

Gets font at index or raises error if there is no font at index.

Parameters

L	Lua state to get font from.
ind	Index position to find font.

Returns

Font found at the index in the state.

Definition at line 72 of file nlua_font.c.

nlua_loadFont()

int nlua_loadFont

(

nlua_env

env

)

Loads the font library.

Parameters

env	Environment to load font library into.

Returns

0 on success.

Definition at line 43 of file nlua_font.c.

Variable Documentation

fontL_methods

const luaL_Reg fontL_methods[]

static

Initial value:

= {
   { "__gc", fontL_gc },
   { "__eq", fontL_eq },
   { "new", fontL_new },
   { "height", fontL_height },
   { "width", fontL_width },
   { "setFilter", fontL_setFilter },
   { "addFallback", fontL_addFallback },
   { 0, 0 } }

Font metatable methods.

Definition at line 27 of file nlua_font.c.