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#include <lua.h>
#include <lauxlib.h>
#include <nanovg.h>
#include "nvg.h"
static NVGcolor * create_color(lua_State *L)
{
NVGcolor *color = lua_newuserdata(L, sizeof(NVGcolor));
luaL_getmetatable(L, nvg_color_tname);
lua_setmetatable(L, -2);
return color;
}
int nvgRGB_bind(lua_State *L)
{
unsigned char r, g, b;
r = luaL_checkinteger(L, 1);
g = luaL_checkinteger(L, 2);
b = luaL_checkinteger(L, 3);
NVGcolor *c = create_color(L);
*c = nvgRGB(r, g, b);
return 1;
}
int nvgRGBf_bind(lua_State *L)
{
float r, g, b;
r = luaL_checknumber(L, 1);
g = luaL_checknumber(L, 2);
b = luaL_checknumber(L, 3);
NVGcolor *c = create_color(L);
*c = nvgRGBf(r, g, b);
return 1;
}
int nvgRGBA_bind(lua_State *L)
{
unsigned char r, g, b, a;
r = luaL_checkinteger(L, 1);
g = luaL_checkinteger(L, 2);
b = luaL_checkinteger(L, 3);
a = luaL_checkinteger(L, 4);
NVGcolor *c = create_color(L);
*c = nvgRGBA(r, g, b, a);
return 1;
}
int nvgRGBAf_bind(lua_State *L)
{
float r, g, b, a;
r = luaL_checknumber(L, 1);
g = luaL_checknumber(L, 2);
b = luaL_checknumber(L, 3);
a = luaL_checknumber(L, 4);
NVGcolor *c = create_color(L);
*c = nvgRGBAf(r, g, b, a);
return 1;
}
int nvgLerpRGBA_bind(lua_State *L)
{
NVGcolor *c0 = luaL_checkudata(L, 1, nvg_color_tname);
NVGcolor *c1 = luaL_checkudata(L, 2, nvg_color_tname);
float u = luaL_checknumber(L, 3);
NVGcolor *result = create_color(L);
*result = nvgLerpRGBA(*c0, *c1, u);
return 1;
}
int nvgTransRGBA_bind(lua_State *L)
{
NVGcolor *c0 = luaL_checkudata(L, 1, nvg_color_tname);
unsigned char a = luaL_checkinteger(L, 2);
NVGcolor *result = create_color(L);
*result = nvgTransRGBA(*c0, a);
return 1;
}
int nvgTransRGBAf_bind(lua_State *L)
{
NVGcolor *c0 = luaL_checkudata(L, 1, nvg_color_tname);
float a = luaL_checknumber(L, 2);
NVGcolor *result = create_color(L);
*result = nvgTransRGBAf(*c0, a);
return 1;
}
int nvgHSL_bind(lua_State *L)
{
float h = luaL_checknumber(L, 1);
float s = luaL_checknumber(L, 2);
float l = luaL_checknumber(L, 3);
NVGcolor *result = create_color(L);
*result = nvgHSL(h, s, l);
return 1;
}
int nvgHSLA_bind(lua_State *L)
{
float h = luaL_checknumber(L, 1);
float s = luaL_checknumber(L, 2);
float l = luaL_checknumber(L, 3);
unsigned char a = luaL_checkinteger(L, 4);
NVGcolor *result = create_color(L);
*result = nvgHSLA(h, s, l, a);
return 1;
}
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