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Parsing a png works now

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This commit is contained in:
Luna 2025-07-06 01:03:04 +02:00
parent 7ca79b731d
commit 15dc5e7dbc
2 changed files with 5 additions and 5 deletions
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2
file_reader

@ -1 +1 @@
Subproject commit 1b005488a2932156a5a5165820e93c04c39f6e55
Subproject commit ff45377ffe6580049c1e125c478fe03d46cedec3

8
library.cpp
View file

@ -39,6 +39,8 @@ char * read_png(const std::string &file_path)
while (true)
{
buffer chunk_type{0};
chunk_type.allocated = 0;
chunk_type.data = nullptr;
chunk_type.size = 4;
auto chunk_head = std::make_tuple((unsigned int)0, chunk_type);
auto ret = reader.read_from_tuple(chunk_head);
@ -48,11 +50,9 @@ char * read_png(const std::string &file_path)
buffer data_body{0};
data_body.size = std::get<0>(chunk_head);
auto data = std::make_tuple(data_body, chunk_type);
ret = reader.read_from_tuple(data);
if (ret.second == READ_INCOMPLETE || ret.second == READ_FILE_ENDED)
throw std::runtime_error("Incomplete chunk");
auto ree = reader.read_from_tuple(data);
std::println("Size received {}", ree.first);
if (strcmp("IHDR", std::get<1>(chunk_head).data) == 0)
meta = parse_metadata(std::get<0>(data));
break;
}
}