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LibGfx/PNG: Don't use a loop to read chunks in decode_png_ihdr()
This chunk is the first one, so we can remove that loop.
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1 changed files with 7 additions and 6 deletions
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@ -614,14 +614,15 @@ static ErrorOr<void> decode_png_ihdr(PNGLoadingContext& context)
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size_t data_remaining = context.data_size - (context.data_current_ptr - context.data);
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Streamer streamer(context.data_current_ptr, data_remaining);
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while (!streamer.at_end() && !context.has_seen_iend) {
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TRY(process_chunk(streamer, context));
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context.data_current_ptr = streamer.current_data_ptr();
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// https://www.w3.org/TR/png/#11IHDR
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// The IHDR chunk shall be the first chunk in the PNG datastream.
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TRY(process_chunk(streamer, context));
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if (context.state == PNGLoadingContext::State::IHDRDecoded)
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return {};
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}
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context.data_current_ptr = streamer.current_data_ptr();
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VERIFY(context.state == PNGLoadingContext::State::IHDRDecoded);
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return {};
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}
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static bool decode_png_image_data_chunk(PNGLoadingContext& context)
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