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Fix height/width computation #21

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Merged
Falcury merged 1 commit into from
Apr 28, 2023
Merged

Fix height/width computation #21

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3 changes: 3 additions & 0 deletions src/isyntax/isyntax.c
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Original file line number Diff line number Diff line change
Expand Up @@ -407,6 +407,9 @@ static bool isyntax_parse_scannedimage_child_node(isyntax_t* isyntax, u32 group,
case 3: {
image->level_count = range.numsteps;
image->max_scale = range.numsteps - 1;
int32_t level_padding = (PER_LEVEL_PADDING << range.numsteps) - PER_LEVEL_PADDING;
image->width -= 2 * level_padding;
image->height -= 2 * level_padding;
} break;
case 4: break; // always 4 wavelet coefficients ("LL" "LH" "HL" "HH"), no need to check
}
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