LibGfx/JPEG: Don't reject SOF2 image with successive approximations

It means full SOF2 JPEG support, yay!
cubiclove · Apr 3, 2023 · f42d850 · f42d850
1 parent fbad9a7
commit f42d850
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/Userland/Libraries/LibGfx/ImageFormats/JPEGLoader.cpp b/Userland/Libraries/LibGfx/ImageFormats/JPEGLoader.cpp
@@ -752,8 +752,7 @@ static ErrorOr<void> read_start_of_scan(Stream& stream, JPEGLoadingContext& cont
  current_scan.successive_approximation_high,
  current_scan.successive_approximation_low);
 
- // FIXME: Support SOF2 jpegs with current_scan.successive_approximation != 0
- if (current_scan.spectral_selection_start > 63 || current_scan.spectral_selection_end > 63 || successive_approximation != 0) {
+ if (current_scan.spectral_selection_start > 63 || current_scan.spectral_selection_end > 63 || current_scan.successive_approximation_high > 13 || current_scan.successive_approximation_low > 13) {
  dbgln_if(JPEG_DEBUG, "ERROR! Start of Selection: {}, End of Selection: {}, Successive Approximation High: {}, Successive Approximation Low: {}!",
  current_scan.spectral_selection_start,
  current_scan.spectral_selection_end,