Abstracted lua bindings for general Texture methods into wrap_Texture.cpp

src/modules/graphics/opengl/wrap_Texture.cpp

@@ -0,0 +1,133 @@
+/**
+ * Copyright (c) 2006-2014 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.
+ **/
+
+#include "wrap_Texture.h"
+
+namespace love
+{
+namespace graphics
+{
+namespace opengl
+{
+
+Texture *luax_checktexture(lua_State *L, int idx)
+{
+	return luax_checktype<Texture>(L, idx, "Texture", GRAPHICS_TEXTURE_T);
+}
+
+int w_Texture_getWidth(lua_State *L)
+{
+	Texture *t = luax_checktexture(L, 1);
+	lua_pushnumber(L, t->getWidth());
+	return 1;
+}
+
+int w_Texture_getHeight(lua_State *L)
+{
+	Texture *t = luax_checktexture(L, 1);
+	lua_pushnumber(L, t->getHeight());
+	return 1;
+}
+
+int w_Texture_getDimensions(lua_State *L)
+{
+	Texture *t = luax_checktexture(L, 1);
+	lua_pushnumber(L, t->getWidth());
+	lua_pushnumber(L, t->getHeight());
+	return 2;
+}
+
+int w_Texture_setFilter(lua_State *L)
+{
+	Texture *t = luax_checktexture(L, 1);
+	Texture::Filter f = t->getFilter();
+
+	const char *minstr = luaL_checkstring(L, 2);
+	const char *magstr = luaL_optstring(L, 3, minstr);
+
+	if (!Texture::getConstant(minstr, f.min))
+		return luaL_error(L, "Invalid filter mode: %s", minstr);
+	if (!Texture::getConstant(magstr, f.mag))
+		return luaL_error(L, "Invalid filter mode: %s", magstr);
+
+	f.anisotropy = (float) luaL_optnumber(L, 4, 1.0);
+
+	EXCEPT_GUARD(t->setFilter(f);)
+	return 0;
+}
+
+int w_Texture_getFilter(lua_State *L)
+{
+	Texture *t = luax_checktexture(L, 1);
+	const Texture::Filter f = t->getFilter();
+
+	const char *minstr = nullptr;
+	const char *magstr = nullptr;
+
+	if (!Texture::getConstant(f.min, minstr))
+		return luaL_error(L, "Unknown filter mode.");
+	if (!Texture::getConstant(f.mag, magstr))
+		return luaL_error(L, "Unknown filter mode.");
+
+	lua_pushstring(L, minstr);
+	lua_pushstring(L, magstr);
+	lua_pushnumber(L, f.anisotropy);
+	return 3;
+}
+
+int w_Texture_setWrap(lua_State *L)
+{
+	Texture *t = luax_checktexture(L, 1);
+	Texture::Wrap w;
+
+	const char *sstr = luaL_checkstring(L, 2);
+	const char *tstr = luaL_optstring(L, 3, sstr);
+
+	if (!Texture::getConstant(sstr, w.s))
+		return luaL_error(L, "Invalid wrap mode: %s", sstr);
+	if (!Texture::getConstant(tstr, w.t))
+		return luaL_error(L, "Invalid wrap mode, %s", tstr);
+
+	t->setWrap(w);
+	return 0;
+}
+
+int w_Texture_getWrap(lua_State *L)
+{
+	Texture *t = luax_checktexture(L, 1);
+	const Texture::Wrap w = t->getWrap();
+
+	const char *sstr = nullptr;
+	const char *tstr = nullptr;
+
+	if (!Texture::getConstant(w.s, sstr))
+		return luaL_error(L, "Unknown wrap mode.");
+	if (!Texture::getConstant(w.t, tstr))
+		return luaL_error(L, "Unknown wrap mode.");
+
+	lua_pushstring(L, sstr);
+	lua_pushstring(L, tstr);
+	return 2;
+}
+
+
+} // opengl
+} // graphics
+} // love