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LibGfx/JPEG: Use Error to propagate errors

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This patch removes a long time remnant of the pre-`AK::Error` era.
This commit is contained in:
Lucas CHOLLET 2023-06-02 11:54:23 -04:00 • committed by Andreas Kling
parent b5e9b9a939
commit 9e6d91032e
1 changed files with 12 additions and 13 deletions
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25
Userland/Libraries/LibGfx/ImageFormats/JPEGLoader.cpp
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@ -18,8 +18,6 @@
#include <AK/Vector.h>
#include <LibGfx/ImageFormats/JPEGLoader.h>
#define JPEG_INVALID 0X0000
// These names are defined in B.1.1.3 - Marker assignments
#define JPEG_APPN0 0XFFE0
@ -807,18 +805,20 @@ static inline bool is_supported_marker(Marker const marker)
static inline ErrorOr<Marker> read_marker_at_cursor(Stream& stream)
{
u16 marker = TRY(stream.read_value<BigEndian<u16>>());
if (marker == 0xFFFF) {
u8 next { 0xFF };
while (next == 0xFF)
next = TRY(stream.read_value<u8>());
marker = 0xFF00 | next;
}
if (is_supported_marker(marker))
return marker;
if (marker != 0xFFFF)
return JPEG_INVALID;
u8 next;
do {
next = TRY(stream.read_value<u8>());
if (next == 0x00)
return JPEG_INVALID;
} while (next == 0xFF);
marker = 0xFF00 | (u16)next;
return is_supported_marker(marker) ? marker : JPEG_INVALID;
return Error::from_string_literal("Reached an unsupported marker");
}
static ErrorOr<u16> read_effective_chunk_size(Stream& stream)
@ -1765,7 +1765,6 @@ static ErrorOr<void> parse_header(Stream& stream, JPEGLoadingContext& context)
context.frame.type = static_cast<StartOfFrame::FrameType>(marker & 0xF);
switch (marker) {
case JPEG_INVALID:
case JPEG_RST0:
case JPEG_RST1:
case JPEG_RST2: