Source

love / src / modules / graphics / opengl / wrap_Image.cpp

/**
 * Copyright (c) 2006-2012 LOVE Development Team
 *
 * This software is provided 'as-is', without any express or implied
 * warranty.  In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 * 3. This notice may not be removed or altered from any source distribution.
 **/

// LOVE
#include "wrap_Image.h"

namespace love
{
namespace graphics
{
namespace opengl
{

Image *luax_checkimage(lua_State *L, int idx)
{
	return luax_checktype<Image>(L, idx, "Image", GRAPHICS_IMAGE_T);
}

int w_Image_getWidth(lua_State *L)
{
	Image *t = luax_checkimage(L, 1);
	lua_pushnumber(L, t->getWidth());
	return 1;
}

int w_Image_getHeight(lua_State *L)
{
	Image *t = luax_checkimage(L, 1);
	lua_pushnumber(L, t->getHeight());
	return 1;
}

int w_Image_setFilter(lua_State *L)
{
	Image *t = luax_checkimage(L, 1);
	Image::Filter f;
	Image::FilterMode min;
	Image::FilterMode mag;
	const char *minstr = luaL_checkstring(L, 2);
	const char *magstr = luaL_optstring(L, 3, minstr);
	if (!Image::getConstant(minstr, min))
		return luaL_error(L, "Invalid filter mode: %s", minstr);
	if (!Image::getConstant(magstr, mag))
		return luaL_error(L, "Invalid filter mode: %s", magstr);

	f.min = min;
	f.mag = mag;
	t->setFilter(f);
	return 0;
}

int w_Image_getFilter(lua_State *L)
{
	Image *t = luax_checkimage(L, 1);
	Image::Filter f = t->getFilter();
	Image::FilterMode min = f.min;
	Image::FilterMode mag = f.mag;
	const char *minstr;
	const char *magstr;
	Image::getConstant(min, minstr);
	Image::getConstant(mag, magstr);
	lua_pushstring(L, minstr);
	lua_pushstring(L, magstr);
	return 2;
}

int w_Image_setWrap(lua_State *L)
{
	Image *i = luax_checkimage(L, 1);
	Image::Wrap w;
	Image::WrapMode s;
	Image::WrapMode t;
	const char *sstr = luaL_checkstring(L, 2);
	const char *tstr = luaL_optstring(L, 3, sstr);
	if (!Image::getConstant(sstr, s))
		return luaL_error(L, "Invalid wrap mode: %s", sstr);
	if (!Image::getConstant(tstr, t))
		return luaL_error(L, "Invalid wrap mode, %s", tstr);

	w.s = s;
	w.t = t;
	i->setWrap(w);
	return 0;
}

int w_Image_getWrap(lua_State *L)
{
	Image *i = luax_checkimage(L, 1);
	Image::Wrap w = i->getWrap();
	Image::WrapMode s = w.s;
	Image::WrapMode t = w.t;
	const char *sstr;
	const char *tstr;
	Image::getConstant(s, sstr);
	Image::getConstant(t, tstr);
	lua_pushstring(L, sstr);
	lua_pushstring(L, tstr);
	return 2;
}

static const luaL_Reg functions[] =
{
	{ "getWidth", w_Image_getWidth },
	{ "getHeight", w_Image_getHeight },
	{ "setFilter", w_Image_setFilter },
	{ "getFilter", w_Image_getFilter },
	{ "setWrap", w_Image_setWrap },
	{ "getWrap", w_Image_getWrap },
	{ 0, 0 }
};

extern "C" int luaopen_image(lua_State *L)
{
	return luax_register_type(L, "Image", functions);
}

} // opengl
} // graphics
} // love