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upgraded/improved LuaCanvas::clear method

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This commit is contained in:
RomanDonw 2026-07-23 19:29:19 +10:00
parent 0d641fa82f
commit 67da57d870
1 changed files with 5 additions and 12 deletions
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17
src/logic/scripting/lua/usertypes/lua_type_canvas.cpp
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@ -161,18 +161,11 @@ static LuaCanvas& require_canvas(State* L, int idx) {
static int l_clear(State* L) {
auto& canvas = require_canvas(L, 1);
auto& image = canvas.getData();
ubyte* data = image.getData();
RGBA rgba {};
if (gettop(L) == 1) {
std::fill(data, data + image.getDataSize(), 0);
return 0;
}
rgba = get_rgba(L, 2);
size_t pixels = image.getWidth() * image.getHeight();
const size_t channels = 4;
for (size_t i = 0; i < pixels * channels; i++) {
data[i] = rgba.arr[i % channels];
}
size_t pixelscount = image.getWidth() * image.getHeight();
uint32_t* data = reinterpret_cast<uint32_t*>(image.getData());
if (gettop(L) == 1) std::fill(data, data + pixelscount, 0);
else std::fill(data, data + pixelscount, get_rgba(L, 2).rgba);
return 0;
}