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LibGfx: Put debug output in PNGLoader behind PNG_DEBUG

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Nico Weber 2020-11-29 14:28:40 -05:00 committed by Andreas Kling
parent d0636291fe
commit 7db765bb73
Notes: sideshowbarker 2024-07-19 01:10:49 +09:00 
Author: https://github.com/nico
Commit: https://github.com/SerenityOS/serenity/commit/7db765bb730
Pull-request: https://github.com/SerenityOS/serenity/pull/4247
1 changed files with 14 additions and 0 deletions
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14
Libraries/LibGfx/PNGLoader.cpp
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@ -599,7 +599,9 @@ static bool decode_png_bitmap_simple(PNGLoadingContext& context)
}
if (filter > 4) {
#ifdef PNG_DEBUG
dbg() << "Invalid PNG filter: " << filter;
#endif
context.state = PNGLoadingContext::State::Error;
return false;
}
@ -695,7 +697,9 @@ static bool decode_adam7_pass(PNGLoadingContext& context, Streamer& streamer, in
}
if (filter > 4) {
#ifdef PNG_DEBUG
dbg() << "Invalid PNG filter: " << filter;
#endif
context.state = PNGLoadingContext::State::Error;
return false;
}
@ -832,7 +836,9 @@ static bool process_IHDR(const ByteBuffer& data, PNGLoadingContext& context)
#endif
if (context.interlace_method != PngInterlaceMethod::Null && context.interlace_method != PngInterlaceMethod::Adam7) {
#ifdef PNG_DEBUG
dbgprintf("PNGLoader::process_IHDR: unknown interlace method: %d\n", context.interlace_method);
#endif
return false;
}
@ -884,23 +890,31 @@ static bool process_chunk(Streamer& streamer, PNGLoadingContext& context)
{
u32 chunk_size;
if (!streamer.read(chunk_size)) {
#ifdef PNG_DEBUG
printf("Bail at chunk_size\n");
#endif
return false;
}
u8 chunk_type[5];
chunk_type[4] = '\0';
if (!streamer.read_bytes(chunk_type, 4)) {
#ifdef PNG_DEBUG
printf("Bail at chunk_type\n");
#endif
return false;
}
ByteBuffer chunk_data;
if (!streamer.wrap_bytes(chunk_data, chunk_size)) {
#ifdef PNG_DEBUG
printf("Bail at chunk_data\n");
#endif
return false;
}
u32 chunk_crc;
if (!streamer.read(chunk_crc)) {
#ifdef PNG_DEBUG
printf("Bail at chunk_crc\n");
#endif
return false;
}
#ifdef PNG_DEBUG