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lua: Fix Sprite:newFrame() to copy the given frame and return it (fix aseprite/api#4)

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This commit is contained in:
David Capello 2018-12-06 12:38:27 -03:00
parent ed1a6233eb
commit 1d78e46bab
1 changed files with 3 additions and 1 deletions
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4
src/app/script/sprite_class.cpp
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@ -265,16 +265,18 @@ int Sprite_newFrame(lua_State* L)
{
auto sprite = get_docobj<Sprite>(L, 1);
doc::frame_t frame = sprite->lastFrame()+1;
doc::frame_t copyThis = frame;
if (lua_gettop(L) >= 2) {
frame = get_frame_number_from_arg(L, 2);
if (frame < 0)
return luaL_error(L, "frame index out of bounds %d", frame+1);
copyThis = frame+1; // addFrame() copies the previous frame of the given one.
}
Doc* doc = static_cast<Doc*>(sprite->document());
Tx tx;
doc->getApi(tx).addFrame(sprite, frame);
doc->getApi(tx).addFrame(sprite, copyThis);
tx.commit();
push_sprite_frame(L, sprite, frame);