Fix link error. Move a couple Lua wrappers from Image to Texture.

src/modules/graphics/Image.h

@@ -57,7 +57,6 @@ public:
 	void replacePixels(love::image::ImageDataBase *d, int slice, int mipmap, int x, int y, bool reloadmipmaps);
 	void replacePixels(const void *data, size_t size, int slice, int mipmap, const Rect &rect, bool reloadmipmaps);
 
-	bool isFormatLinear() const;
 	MipmapsType getMipmapsType() const;
 
 	static bool getConstant(const char *in, SettingType &out);

src/modules/graphics/wrap_Image.cpp

@@ -31,20 +31,6 @@ Image *luax_checkimage(lua_State *L, int idx)
 	return luax_checktype<Image>(L, idx);
 }
 
-int w_Image_isFormatLinear(lua_State *L)
-{
-	Image *i = luax_checkimage(L, 1);
-	luax_pushboolean(L, i->isFormatLinear());
-	return 1;
-}
-
-int w_Image_isCompressed(lua_State *L)
-{
-	Image *i = luax_checkimage(L, 1);
-	luax_pushboolean(L, i->isCompressed());
-	return 1;
-}
-
 int w_Image_replacePixels(lua_State *L)
 {
 	Image *i = luax_checkimage(L, 1);
@@ -76,8 +62,6 @@ int w_Image_replacePixels(lua_State *L)
 
 static const luaL_Reg w_Image_functions[] =
 {
-	{ "isFormatLinear", w_Image_isFormatLinear },
-	{ "isCompressed", w_Image_isCompressed },
 	{ "replacePixels", w_Image_replacePixels },
 	{ 0, 0 }
 };

src/modules/graphics/wrap_Texture.cpp

@@ -129,6 +129,20 @@ int w_Texture_getDPIScale(lua_State *L)
 	return 1;
 }
 
+int w_Texture_isFormatLinear(lua_State *L)
+{
+	Texture *t = luax_checktexture(L, 1);
+	luax_pushboolean(L, t->isFormatLinear());
+	return 1;
+}
+
+int w_Texture_isCompressed(lua_State *L)
+{
+	Texture *t = luax_checktexture(L, 1);
+	luax_pushboolean(L, t->isCompressed());
+	return 1;
+}
+
 int w_Texture_setFilter(lua_State *L)
 {
 	Texture *t = luax_checktexture(L, 1);
@@ -314,6 +328,8 @@ const luaL_Reg w_Texture_functions[] =
 	{ "getPixelHeight", w_Texture_getPixelHeight },
 	{ "getPixelDimensions", w_Texture_getPixelDimensions },
 	{ "getDPIScale", w_Texture_getDPIScale },
+	{ "isFormatLinear", w_Texture_isFormatLinear },
+	{ "isCompressed", w_Texture_isCompressed },
 	{ "setFilter", w_Texture_setFilter },
 	{ "getFilter", w_Texture_getFilter },
 	{ "setMipmapFilter", w_Texture_setMipmapFilter },