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image: add save method 

Signed-off-by: Julien Danjou <julien@danjou.info>
This commit is contained in:
Julien Danjou 2008-12-29 15:19:01 +01:00
parent 6fe62d2093
commit 48d4c41ed9
1 changed files with 25 additions and 0 deletions
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25
image.c
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@ -332,6 +332,30 @@ luaA_image_crop_and_scale(lua_State *L)
return luaA_image_userdata_new(L, new); return luaA_image_userdata_new(L, new);
} }
/** Saves the image to the given path. The file extension (e.g. .png or .jpg)
* will affect the output format.
* \param L The Lua VM state.
* \return The number of elements pushed on stack.
* \luastack
* \lvalue An image.
* \lparam The image path.
*/
static int
luaA_image_save(lua_State *L)
{
image_t **image = luaA_checkudata(L, 1, "image");
const char *path = luaL_checkstring(L, 2);
Imlib_Load_Error err;
imlib_context_set_image((*image)->image);
imlib_save_image_with_error_return(path, &err);
if(err != IMLIB_LOAD_ERROR_NONE)
warn("cannot save image %s: %s", path, image_imlib_load_strerror(err));
return 0;
}
/** Image object. /** Image object.
* \param L The Lua VM state. * \param L The Lua VM state.
* \return The number of elements pushed on stack. * \return The number of elements pushed on stack.
@ -384,6 +408,7 @@ const struct luaL_reg awesome_image_meta[] =
{ "orientate", luaA_image_orientate }, { "orientate", luaA_image_orientate },
{ "crop", luaA_image_crop }, { "crop", luaA_image_crop },
{ "crop_and_scale", luaA_image_crop_and_scale }, { "crop_and_scale", luaA_image_crop_and_scale },
{ "save", luaA_image_save },
{ "__gc", luaA_image_gc }, { "__gc", luaA_image_gc },
{ "__eq", luaA_image_eq }, { "__eq", luaA_image_eq },
{ "__tostring", luaA_image_tostring }, { "__tostring", luaA_image_tostring },