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Improve File error handling. Massive effects...

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API is somewhat stolen from Rust std::fs::File. Static factories didn't work out so well, though. Move semantics made my head explode.
TODO: Still a lot of places where errors aren't handled, but it's an improvement...
This commit is contained in:
Jared Boone
2016-05-16 14:01:44 -07:00
parent d905c446bf
commit 682a1706a3
18 changed files with 328 additions and 235 deletions
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3
firmware/common/png_writer.hpp
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@@ -33,9 +33,10 @@
class PNGWriter {
public:
explicit PNGWriter(const std::string& filename);
~PNGWriter();
Optional<File::Error> create(const std::string& filename);
void write_scanline(const std::array<ui::ColorRGB888, 240>& scanline);
private: