PulseStudio/VoxelEngine
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fix canvas:set_data

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This commit is contained in:
MihailRis 2025-11-26 22:46:43 +03:00
parent 5436b98f3b
commit 66bb734a4e
2 changed files with 10 additions and 2 deletions
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4
res/scripts/stdmin.lua
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@ -45,7 +45,7 @@ local canvas_ffi_buffer_size = 0
local _ffi = ffi
function __vc_Canvas_set_data(self, data)
if type(data) == "cdata" then
self:_set_data(tostring(_ffi.cast("uintptr_t", data)))
self:_set_data(tostring(_ffi.cast("uintptr_t", data.bytes)), data.size)
end
local width = self.width
local height = self.height
@ -60,7 +60,7 @@ function __vc_Canvas_set_data(self, data)
for i=0, size - 1 do
canvas_ffi_buffer[i] = data[i + 1]
end
self:_set_data(tostring(_ffi.cast("uintptr_t", canvas_ffi_buffer)))
self:_set_data(tostring(_ffi.cast("uintptr_t", canvas_ffi_buffer)), data.size)
end
local ipairs_mt_supported = false

8
src/logic/scripting/lua/usertypes/lua_type_canvas.cpp
View File

@ -220,6 +220,14 @@ static int l_set_data(State* L) {
if (lua::isstring(L, 2)) {
auto ptr = reinterpret_cast<ubyte*>(std::stoull(lua::tostring(L, 2)));
int len = lua::touinteger(L, 3);
if (len < image.getDataSize()) {
throw std::runtime_error(
"data size mismatch expected " +
std::to_string(image.getDataSize()) + ", got " +
std::to_string(len)
);
}
std::memcpy(data, ptr, image.getDataSize());
return 0;
}