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#include <lua.h>
#include <lauxlib.h>
#include <nanovg.h>
#include <nanovg_gl.h>
#include "nvg.h"
static void create_paint(lua_State *L, NVGpaint paint)
{
NVGpaint *p = lua_newuserdata(L, sizeof(NVGpaint));
*p = paint;
luaL_getmetatable(L, nvg_paint_tname);
lua_setmetatable(L, -2);
}
int nvgLinearGradient_bind(lua_State *L)
{
NVGcontext **ctx = luaL_checkudata(L, 1, nvg_ctx_tname);
float sx = luaL_checknumber(L, 2);
float sy = luaL_checknumber(L, 3);
float ex = luaL_checknumber(L, 4);
float ey = luaL_checknumber(L, 5);
NVGcolor *icol = luaL_checkudata(L, 6, nvg_color_tname);
NVGcolor *ocol = luaL_checkudata(L, 7, nvg_color_tname);
create_paint(L,
nvgLinearGradient(*ctx, sx, sy, ex, ey, *icol, *ocol)
);
return 1;
}
int nvgBoxGradient_bind(lua_State *L)
{
NVGcontext **ctx = luaL_checkudata(L, 1, nvg_ctx_tname);
float x = luaL_checknumber(L, 2);
float y = luaL_checknumber(L, 3);
float w = luaL_checknumber(L, 4);
float h = luaL_checknumber(L, 5);
float r = luaL_checknumber(L, 6);
float f = luaL_checknumber(L, 7);
NVGcolor *icol = luaL_checkudata(L, 8, nvg_color_tname);
NVGcolor *ocol = luaL_checkudata(L, 9, nvg_color_tname);
create_paint(L,
nvgBoxGradient(*ctx, x, y, w, h, r, f, *icol, *ocol)
);
return 1;
}
int nvgRadialGradient_bind(lua_State *L)
{
NVGcontext **ctx = luaL_checkudata(L, 1, nvg_ctx_tname);
float cx = luaL_checknumber(L, 2);
float cy = luaL_checknumber(L, 3);
float inr = luaL_checknumber(L, 4);
float outr = luaL_checknumber(L, 5);
NVGcolor *icol = luaL_checkudata(L, 6, nvg_color_tname);
NVGcolor *ocol = luaL_checkudata(L, 7, nvg_color_tname);
create_paint(L,
nvgRadialGradient(*ctx, cx, cy, inr, outr, *icol, *ocol)
);
return 1;
}
int nvgImagePattern_bind(lua_State *L)
{
NVGcontext **ctx = luaL_checkudata(L, 1, nvg_ctx_tname);
float ox = luaL_checknumber(L, 2);
float oy = luaL_checknumber(L, 3);
float ex = luaL_checknumber(L, 4);
float ey = luaL_checknumber(L, 5);
float angle = luaL_checknumber(L, 6);
int image = luaL_checkinteger(L, 7);
float alpha = luaL_checknumber(L, 8);
create_paint(L,
nvgImagePattern(*ctx, ox, oy, ex, ey, angle, image, alpha)
);
return 1;
}
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