kopia lustrzana https://gitlab.com/sane-project/backends
using unity gamma for lineart
rodzic
9ff04460ef
commit
20b13d557f
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@ -713,7 +713,7 @@ _InitOptions (TScanner * s)
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pDesc->cap =
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SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT | SANE_CAP_INACTIVE |
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SANE_CAP_EMULATED;
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pVal->w = 60;
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pVal->w = 50;
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default:
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DBG (DBG_ERR, "Uninitialised option %d\n", i);
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@ -1240,10 +1240,21 @@ sane_start (SANE_Handle h)
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/* perform a simple calibration just before scanning */
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_WaitForLamp (s, abCalibTable);
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/* copy gamma table */
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for (i = 0; i < 4096; i++)
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if (s->aValues[optMode].w == MODE_LINEART)
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{
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abGamma[i] = s->aGammaTable[i];
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/* use a unity gamma table for lineart to be independent from Gamma settings */
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for (i = 0; i < 4096; ++i)
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{
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abGamma[i] = i / 16;
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}
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}
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else
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{
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/* copy gamma table */
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for (i = 0; i < 4096; i++)
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{
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abGamma[i] = s->aGammaTable[i];
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}
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}
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WriteGammaCalibTable (abGamma, abGamma, abGamma, abCalibTable, 0, 0,
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@ -1365,7 +1376,8 @@ sane_read (SANE_Handle h, SANE_Byte * buf, SANE_Int maxlen, SANE_Int * len)
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s->iBytesLeft], *len);
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s->iBytesLeft -= *len;
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DBG (DBG_MSG, " read=%d\n", *len);
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DBG (DBG_MSG, "\n");
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DBG (DBG_MSG, "read=%d\n", *len);
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return SANE_STATUS_GOOD;
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}
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