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add canvas:set_data

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This commit is contained in:
MihailRis 2025-03-08 14:55:17 +03:00
parent 22d49c1c65
commit 6078a8802e
4 changed files with 32 additions and 10 deletions
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20
src/logic/scripting/lua/usertypes/lua_type_canvas.cpp
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@ -132,6 +132,25 @@ static int l_blit(State* L) {
return 0;
}
static int l_set_data(State* L) {
auto& canvas = require_canvas(L, 1);
auto& image = canvas.data();
auto data = image.getData();
int len = objlen(L, 2);
if (len < image.getDataSize()) {
throw std::runtime_error(
"data size mismatch expected " +
std::to_string(image.getDataSize()) + ", got " + std::to_string(len)
);
}
for (size_t i = 0; i < len; i++) {
rawgeti(L, i + 1, 2);
data[i] = tointeger(L, -1);
pop(L);
}
return 0;
}
static int l_update(State* L) {
if (auto canvas = touserdata<LuaCanvas>(L, 1)) {
if (canvas->hasTexture()) {
@ -148,6 +167,7 @@ static std::unordered_map<std::string, lua_CFunction> methods {
{"blit", lua::wrap<l_blit>},
{"clear", lua::wrap<l_clear>},
{"update", lua::wrap<l_update>},
{"set_data", lua::wrap<l_set_data>},
};
static int l_meta_index(State* L) {