42 lines
1.4 KiB
Diff
42 lines
1.4 KiB
Diff
From fdbfb7694f9d7048d53674b79ddfc38068bfdaf7 Mon Sep 17 00:00:00 2001
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From: Marti Maria <marti.maria@littlecms.com>
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Date: Sun, 30 Jan 2022 16:56:48 +0100
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Subject: Fix for optimisation error on grayscale
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Thanks to Aaron Boxer for reporting this issue
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---
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src/cmsintrp.c | 10 +++++-----
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1 file changed, 5 insertions(+), 5 deletions(-)
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diff --git a/src/cmsintrp.c b/src/cmsintrp.c
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index 5cd6d16..5eb98e6 100644
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--- a/src/cmsintrp.c
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+++ b/src/cmsintrp.c
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@@ -278,10 +278,10 @@ void Eval1Input(CMSREGISTER const cmsUInt16Number Input[],
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// if last value...
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if (Input[0] == 0xffff || p16->Domain[0] == 0) {
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- cmsUInt16Number y0 = LutTable[p16->Domain[0]];
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-
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+ cmsUInt32Number y0 = p16->Domain[0] * p16->opta[0];
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+
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for (OutChan = 0; OutChan < p16->nOutputs; OutChan++) {
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- Output[OutChan] = y0;
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+ Output[OutChan] = LutTable[y0 + OutChan];
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}
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}
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else
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@@ -324,10 +324,10 @@ void Eval1InputFloat(const cmsFloat32Number Value[],
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// if last value...
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if (val2 == 1.0 || p->Domain[0] == 0) {
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- y0 = LutTable[p->Domain[0]];
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+ cmsUInt32Number start = p->Domain[0] * p->opta[0];
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for (OutChan = 0; OutChan < p->nOutputs; OutChan++) {
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- Output[OutChan] = y0;
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+ Output[OutChan] = LutTable[start + OutChan];
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}
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}
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else
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