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LibGfx/JPEGXL: Use a wider type for the context id

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These numbers can be way bigger than 255, let's use a `u32` instead of a
`u8`, which is what other decoders do.
This commit is contained in:
Lucas CHOLLET 2023-08-04 15:38:22 -04:00 committed by Jelle Raaijmakers
parent 07ea66528e
commit 3fdc000b90
Notes: sideshowbarker 2024-07-17 06:00:02 +09:00 
Author: https://github.com/LucasChollet
Commit: https://github.com/SerenityOS/serenity/commit/3fdc000b90
Pull-request: https://github.com/SerenityOS/serenity/pull/20480
Reviewed-by: https://github.com/gmta ✅
1 changed files with 5 additions and 5 deletions
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10
Userland/Libraries/LibGfx/ImageFormats/JPEGXLLoader.cpp
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@ -1140,7 +1140,7 @@ public:
dbgln("JPEGXLLoader: ANS decoder left in invalid state");
}
static ErrorOr<EntropyDecoder> create(LittleEndianInputBitStream& stream, u8 initial_num_distrib)
static ErrorOr<EntropyDecoder> create(LittleEndianInputBitStream& stream, u32 initial_num_distrib)
{
EntropyDecoder entropy_decoder;
// C.2 - Distribution decoding
@ -1200,7 +1200,7 @@ public:
return entropy_decoder;
}
ErrorOr<u32> decode_hybrid_uint(LittleEndianInputBitStream& stream, u16 context)
ErrorOr<u32> decode_hybrid_uint(LittleEndianInputBitStream& stream, u32 context)
{
// C.3.3 - Hybrid integer decoding
@ -1276,7 +1276,7 @@ private:
return config;
}
ErrorOr<void> read_pre_clustered_distributions(LittleEndianInputBitStream& stream, u8 num_distrib)
ErrorOr<void> read_pre_clustered_distributions(LittleEndianInputBitStream& stream, u32 num_distrib)
{
// C.2.2 Distribution clustering
if (num_distrib == 1) {
@ -1293,7 +1293,7 @@ private:
u16 num_clusters = 0;
auto const read_clusters = [&](auto&& reader) -> ErrorOr<void> {
for (u8 i {}; i < num_distrib; ++i) {
for (u32 i {}; i < num_distrib; ++i) {
m_clusters[i] = TRY(reader());
if (m_clusters[i] >= num_clusters)
num_clusters = m_clusters[i] + 1;
@ -1335,7 +1335,7 @@ private:
class MATree {
public:
struct LeafNode {
u8 ctx {};
u32 ctx {};
u8 predictor {};
i32 offset {};
u32 multiplier {};