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+/* @file plustek-pp_tpa.c
+ * @brief Here we find some adjustments according to the scan source.
+ * This file is ASIC P9800x specific
+ *
+ * based on sources acquired from Plustek Inc.
+ * Copyright (C) 1998 Plustek Inc.
+ * Copyright (C) 2000-2013 Gerhard Jaeger <gerhard@gjaeger.de>
+ * also based on the work done by Rick Bronson
+ *
+ * History:
+ * - 0.30 - initial version
+ * - 0.31 - Added some comments
+ * - 0.32 - no changes
+ * - 0.33 - new header
+ * - 0.34 - no changes
+ * - 0.35 - no changes
+ * - 0.36 - no changes
+ * - 0.37 - cosmetic changes
+ * - 0.38 - Replaced AllPointer by DataPointer
+ * - renamed this file from transform.c tpa.c
+ * - 0.39 - no changes
+ * - 0.40 - no changes
+ * - 0.41 - no changes
+ * - 0.42 - changed include names
+ * - 0.43 - no changes
+ * - 0.44 - fix format string issues, as Long types default to int32_t
+ * now
+ * .
+ * <hr>
+ * This file is part of the SANE package.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ *
+ * As a special exception, the authors of SANE give permission for
+ * additional uses of the libraries contained in this release of SANE.
+ *
+ * The exception is that, if you link a SANE library with other files
+ * to produce an executable, this does not by itself cause the
+ * resulting executable to be covered by the GNU General Public
+ * License. Your use of that executable is in no way restricted on
+ * account of linking the SANE library code into it.
+ *
+ * This exception does not, however, invalidate any other reasons why
+ * the executable file might be covered by the GNU General Public
+ * License.
+ *
+ * If you submit changes to SANE to the maintainers to be included in
+ * a subsequent release, you agree by submitting the changes that
+ * those changes may be distributed with this exception intact.
+ *
+ * If you write modifications of your own for SANE, it is your choice
+ * whether to permit this exception to apply to your modifications.
+ * If you do not wish that, delete this exception notice.
+ * <hr>
+ */
+#include "plustek-pp_scan.h"
+
+/***************************** local vars ************************************/
+
+static UShort a_wGainString [] = {
+ 50, 75, 100, 125, 150, 175, 200, 225,
+ 250, 275, 300, 325, 350, 375, 400, 425,
+ 450, 475, 500, 525, 550, 575, 600, 625,
+ 650, 675, 700, 725, 750, 775, 800, 825
+};
+
+/*************************** local functions *********************************/
+
+/*.............................................................................
+ *
+ */
+static void tpaP98SubNoise( pScanData ps, pULong pdwSum, pUShort pwShading,
+ ULong dwHilightOff, ULong dwShadowOff )
+{
+ ULong dwPixels, dwLines, dwSum;
+ pUShort pw;
+
+ for (dwPixels = 4; dwPixels--; pdwSum++, pwShading++)
+ *pwShading = (UShort)(*pdwSum >> 5);
+
+ for (dwPixels = 0; dwPixels < (ps->dwShadingPixels - 4); dwPixels++,
+ pdwSum++, pwShading++) {
+
+ pw = (pUShort)ps->Shade.pHilight + dwHilightOff + dwPixels;
+ dwSum = 0;
+
+ for (dwLines = _DEF_BRIGHTEST_SKIP; dwLines--; pw += 5400UL)
+ dwSum += (ULong) *pw;
+
+ pw = ps->pwShadow + dwShadowOff + dwPixels;
+
+ for (dwLines = _DEF_DARKEST_SKIP; dwLines--; pw += 5400UL)
+ dwSum += (ULong) *pw;
+
+ *pwShading = (UShort)((*pdwSum - dwSum) / ps->Shade.dwDiv);
+ }
+ if (ps->dwShadingPixels != 5400UL) {
+ for (dwPixels = 2700UL; dwPixels--; pdwSum++, pwShading++)
+ *pwShading = (UShort)(*pdwSum >> 5);
+ }
+}
+
+/*.............................................................................
+ *
+ */
+static void tpaP98ShadingWaveformSum( pScanData ps )
+{
+ DataPointer pd, pt;
+ ULong dw;
+
+ pd.pdw = (pULong)ps->pScanBuffer1;
+ pt.pw = (pUShort)ps->pScanBuffer1;
+
+ if ((ps->DataInf.dwScanFlag & SCANDEF_TPA ) ||
+ (0 == ps->bShadingTimeFlag)) {
+
+ if( ps->Shade.pHilight ) {
+
+ tpaP98SubNoise( ps, (pULong)ps->pScanBuffer1,
+ (pUShort)ps->pScanBuffer1, 0, 0);
+
+ tpaP98SubNoise( ps ,(pULong)ps->pScanBuffer1 + 5400UL,
+ (pUShort)ps->pScanBuffer1 + 5400UL,
+ ps->dwHilightCh, ps->dwShadowCh);
+
+ tpaP98SubNoise( ps, (pULong)ps->pScanBuffer1 + 5400UL * 2UL,
+ (pUShort)ps->pScanBuffer1 + 5400UL * 2UL,
+ ps->dwHilightCh * 2, ps->dwShadowCh * 2);
+ } else {
+
+ for (dw = 5400 * 3; dw; dw--, pt.pw++, pd.pdw++)
+ *pt.pw = (UShort)(*pd.pdw / 32); /* shift 5 bits */
+ }
+
+ } else {
+
+ if (02 == ps->bShadingTimeFlag ) {
+ for (dw = 5400 * 3; dw; dw--, pt.pw++, pd.pdw++)
+ *pt.pw = (UShort)(*pd.pdw / 16); /* shift 4 bits */
+ } else {
+ for (dw = 5400 * 3; dw; dw--, pt.pw++, pd.pdw++)
+ *pt.pw = (UShort)(*pd.pdw / 4); /* shift 2 bits */
+ }
+ }
+}
+
+/*.............................................................................
+ * get wReduceRedFactor, wReduceGreenFactor, wReduceBlueFactor
+ */
+static void tpaP98GetNegativeTempRamData( pScanData ps )
+{
+ UShort wRedTemp, wGreenTemp, wBlueTemp;
+ UShort wRedShadingTemp, wGreenShadingTemp, wBlueShadingTemp;
+ ULong dw, dw1;
+ DataPointer p;
+ pULong pdwNegativeSumTemp;
+ pUShort pNegativeTempRam, pNegativeTempRam2;
+
+ ps->bFastMoveFlag = _FastMove_Low_C75_G150;
+
+ MotorP98GoFullStep( ps ,80 );
+
+ pNegativeTempRam = (pUShort)(ps->pScanBuffer1 + 5400 * 6);
+ pdwNegativeSumTemp = (pULong)(pNegativeTempRam + 960 * 3 * 2);
+ pNegativeTempRam2 = (pUShort)(pdwNegativeSumTemp + 960 * 3 * 4);
+
+ /* ClearNegativeSumBuffer() */
+ memset( pdwNegativeSumTemp, 0, (960 * 3 * 4));
+
+ /* SetReadNegativeTempRegister() */
+ ps->AsicReg.RD_Motor0Control = 0;
+
+ IOCmdRegisterToScanner( ps, ps->RegMotor0Control,
+ ps->AsicReg.RD_Motor0Control );
+
+ ps->AsicReg.RD_ModeControl = _ModeScan;
+ ps->AsicReg.RD_Motor0Control = _MotorOn + _MotorHEightStep + _MotorDirForward;
+ ps->AsicReg.RD_ModelControl = _ModelDpi600 + _LED_CONTROL + _LED_ACTIVITY;
+ ps->AsicReg.RD_Dpi = ps->PhysicalDpi;
+
+ if (!ps->wNegAdjustX) {
+ ps->AsicReg.RD_Origin = (UShort)(ps->dwOffset70 + ps->Device.DataOriginX +
+ _Negative96OriginOffsetX * 2);
+ } else {
+ ps->AsicReg.RD_Origin = (UShort)(ps->dwOffset70 + ps->Device.DataOriginX +
+ ps->wNegAdjustX);
+ }
+
+ ps->AsicReg.RD_Pixels = 960;
+ ps->AsicReg.RD_XStepTime = 32;
+
+ IOPutOnAllRegisters( ps );
+
+ /* NegativeMotorRunLoop() */
+ p.pb = ps->a_nbNewAdrPointer;
+ for (dw = _NUMBER_OF_SCANSTEPS / 8; dw; dw--, p.pdw++)
+ *p.pdw = 0x87808780;
+
+ IOSetToMotorRegister( ps );
+
+ for (dw1 = 16; dw1; dw1--) {
+
+ TimerDef timer;
+
+ MiscStartTimer( &timer, _SECOND );
+
+ while((IOReadFifoLength( ps ) < 960) && !MiscCheckTimer( &timer )) {
+
+ _DO_UDELAY(1);
+ }
+
+ /* ReadColorDataIn() - Read 1 RGB line */
+ ps->AsicReg.RD_ModeControl = _ModeFifoRSel;
+ IOReadScannerImageData( ps, (pUChar)pNegativeTempRam, 960 );
+
+ ps->AsicReg.RD_ModeControl = _ModeFifoGSel;
+ IOReadScannerImageData( ps, (pUChar)(pNegativeTempRam + 960), 960 );
+
+ ps->AsicReg.RD_ModeControl = _ModeFifoBSel;
+ IOReadScannerImageData( ps, (pUChar)(pNegativeTempRam + 960 * 2), 960 );
+
+ /* fillNegativeSum() */
+ for (dw = 0; dw < 960 * 3; dw++)
+ pdwNegativeSumTemp[dw] += ((pUShort) pNegativeTempRam)[dw];
+
+ /* one line */
+ if (IOReadFifoLength( ps ) <= (960 * 2))
+ IORegisterDirectToScanner( ps, ps->RegRefreshScanState );
+ }
+
+ /* AverageAndShift() */
+ for( dw = 0, dw1 = 0; dw < 240 * 3; dw++, dw1+=4 ) {
+
+ pNegativeTempRam[dw] = (UShort)((pdwNegativeSumTemp[dw1] +
+ pdwNegativeSumTemp[dw1+1] +
+ pdwNegativeSumTemp[dw1+2] +
+ pdwNegativeSumTemp[dw1+3]) / 128);
+ /* shift 6 bits */
+ }
+
+ /* NegativeAdd1() */
+ if (!ps->wNegAdjustX) {
+ dw1 = (ps->dwOffsetNegative + _Negative96OriginOffsetX * 2 * 2) / 2;
+ } else {
+ dw1 = (ps->dwOffsetNegative + ps->wNegAdjustX * 2) / 2;
+ }
+
+ /* do R shading average */
+ for (dw = 0; dw < 240; dw++, dw1 += 4) {
+ pNegativeTempRam2[dw] = (UShort)(
+ (((pUShort)ps->pScanBuffer1)[dw1] +
+ ((pUShort)ps->pScanBuffer1)[dw1+1] +
+ ((pUShort)ps->pScanBuffer1)[dw1+2] +
+ ((pUShort)ps->pScanBuffer1)[dw1+3]) / 4);
+ }
+
+ /* NegativeAdd1() */
+ if (!ps->wNegAdjustX)
+ dw1 = (ps->dwOffsetNegative + 5400 * 2 + _Negative96OriginOffsetX * 2 * 2) / 2;
+ else
+ dw1 = (ps->dwOffsetNegative + 5400 * 2 + ps->wNegAdjustX * 2) / 2;
+
+ /* do G shading average */
+ for (; dw < 240 * 2; dw++, dw1 += 4) {
+ pNegativeTempRam2[dw] = (UShort)(
+ (((pUShort)ps->pScanBuffer1)[dw1] +
+ ((pUShort)ps->pScanBuffer1)[dw1+1] +
+ ((pUShort)ps->pScanBuffer1)[dw1+2] +
+ ((pUShort)ps->pScanBuffer1)[dw1+3]) / 4);
+ }
+
+ /* NegativeAdd1() */
+ if (!ps->wNegAdjustX)
+ dw1 = (ps->dwOffsetNegative + 5400 * 4 + _Negative96OriginOffsetX * 2 * 2) / 2;
+ else
+ dw1 = (ps->dwOffsetNegative + 5400 * 4 + ps->wNegAdjustX * 2) / 2;
+
+ /* do B shading average */
+ for (; dw < 240 * 3; dw++, dw1 += 4) {
+ pNegativeTempRam2 [dw] = (UShort)(
+ (((pUShort)ps->pScanBuffer1)[dw1] +
+ ((pUShort)ps->pScanBuffer1)[dw1+1] +
+ ((pUShort)ps->pScanBuffer1)[dw1+2] +
+ ((pUShort)ps->pScanBuffer1)[dw1+3]) / 4);
+ }
+
+ wRedTemp = wGreenTemp = wBlueTemp = 0;
+ wRedShadingTemp = wGreenShadingTemp = wBlueShadingTemp = 0;
+
+ /* FindMaxNegValue -- find R */
+ for (dw = 0; dw < 240; dw++) {
+ if (pNegativeTempRam[dw] >= wRedTemp &&
+ pNegativeTempRam[dw + 240] >= wGreenTemp &&
+ pNegativeTempRam[dw + 480] > wBlueTemp) {
+
+ wRedTemp = pNegativeTempRam[dw];
+ wGreenTemp = pNegativeTempRam[dw + 240];
+ wBlueTemp = pNegativeTempRam[dw + 480];
+
+ wRedShadingTemp = pNegativeTempRam2[dw];
+ wGreenShadingTemp = pNegativeTempRam2[dw + 240];
+ wBlueShadingTemp = pNegativeTempRam2[dw + 480];
+ }
+ }
+
+ /* GainAddX = (1/4)*DoubleX + 1/ 2 */
+ if ((ps->bRedGainIndex += (Byte)((wRedShadingTemp / wRedTemp) * 100 - 50) / 25) > 32)
+ ps->bRedGainIndex = 31;
+
+ if ((ps->bGreenGainIndex += (Byte)((wGreenShadingTemp / wGreenTemp) * 100 - 50) / 25) > 32)
+ ps->bGreenGainIndex = 31;
+
+ if ((ps->bBlueGainIndex += (Byte)((wBlueShadingTemp / wBlueTemp) * 100 - 50) / 25) > 32)
+ ps->bBlueGainIndex = 31;
+
+}
+
+/*.............................................................................
+ *
+ */
+static void tpaP98RecalculateNegativeShadingGain( pScanData ps )
+{
+ Byte b[3];
+ UShort wSum, counter;
+ UShort w, w1, w2;
+ ULong dw, dw1;
+ pUChar pDest, pSrce, pNegativeTempRam;
+ pUChar pbReg[3];
+ TimerDef timer;
+ DataPointer p;
+
+ pNegativeTempRam = (pUChar)(ps->pScanBuffer1 + 5400 * 6);
+
+ /* AdjustDarkCondition () */
+ ps->Shade.pCcdDac->DarkDAC.Colors.Red = ps->bsPreRedDAC;
+ ps->Shade.pCcdDac->DarkDAC.Colors.Green = ps->bsPreGreenDAC;
+ ps->Shade.pCcdDac->DarkDAC.Colors.Blue = ps->bsPreBlueDAC;
+
+ ps->Shade.pCcdDac->DarkCmpHi.Colors.Red = ps->wsDACCompareHighRed;
+ ps->Shade.pCcdDac->DarkCmpLo.Colors.Red = ps->wsDACCompareLowRed;
+ ps->Shade.pCcdDac->DarkCmpHi.Colors.Green = ps->wsDACCompareHighGreen;
+ ps->Shade.pCcdDac->DarkCmpLo.Colors.Green = ps->wsDACCompareLowGreen;
+ ps->Shade.pCcdDac->DarkCmpHi.Colors.Blue = ps->wsDACCompareHighBlue;
+ ps->Shade.pCcdDac->DarkCmpLo.Colors.Blue = ps->wsDACCompareLowBlue;
+
+ DacP98FillGainOutDirectPort( ps );
+
+ /* ClearNegativeTempBuffer () */
+ memset( pNegativeTempRam, 0, (960 * 3 * 4));
+
+ /* GetNegGainValue () */
+ ps->PauseColorMotorRunStates( ps );
+
+ /* SetScanMode () set scan mode to Byte mode */
+ ps->AsicReg.RD_ScanControl |= _SCAN_BYTEMODE;
+ ps->AsicReg.RD_ScanControl &= 0xfd;
+ IOCmdRegisterToScanner(ps, ps->RegScanControl, ps->AsicReg.RD_ScanControl);
+ DacP98FillGainOutDirectPort( ps );
+
+ /* SetReadNegativeTempRegister() */
+ ps->AsicReg.RD_Motor0Control = 0;
+ IOCmdRegisterToScanner( ps, ps->RegMotor0Control,
+ ps->AsicReg.RD_Motor0Control );
+
+ ps->AsicReg.RD_ModeControl = _ModeScan;
+ ps->AsicReg.RD_Motor0Control = _MotorOn + _MotorHEightStep + _MotorDirForward;
+ ps->AsicReg.RD_ModelControl = _ModelDpi600 + _LED_CONTROL + _LED_ACTIVITY;
+ ps->AsicReg.RD_Dpi = ps->PhysicalDpi;
+
+ if (!ps->wNegAdjustX) {
+ ps->AsicReg.RD_Origin = (UShort)(ps->dwOffset70 +
+ ps->Device.DataOriginX +
+ _Negative96OriginOffsetX * 2);
+ } else {
+ ps->AsicReg.RD_Origin = (UShort)(ps->dwOffset70 + ps->Device.DataOriginX +
+ ps->wNegAdjustX);
+ }
+ ps->AsicReg.RD_Pixels = 960;
+ ps->AsicReg.RD_XStepTime = 32;
+ IOPutOnAllRegisters( ps );
+
+ /* ReReadNegativeTemp */
+ MiscStartTimer( &timer, _SECOND );
+
+ while((IOReadFifoLength( ps) < 960) && !MiscCheckTimer( &timer )) {
+
+ _DO_UDELAY(1); /* 1 us delay */
+ }
+
+ /* ReadColorDataIn() - Read 1 RGB line */
+ ps->AsicReg.RD_ModeControl = _ModeFifoRSel;
+ IOReadScannerImageData( ps, pNegativeTempRam, 960);
+
+ ps->AsicReg.RD_ModeControl = _ModeFifoGSel;
+ IOReadScannerImageData( ps, pNegativeTempRam + 960, 960);
+
+ ps->AsicReg.RD_ModeControl = _ModeFifoBSel;
+ IOReadScannerImageData( ps, pNegativeTempRam + 960 * 2, 960);
+
+ /* FindRGBGainValue(); */
+ pDest = pSrce = pNegativeTempRam;
+
+ /* ReAdjustGainAverage() */
+ for (dw1 = 0; dw1 < (960 * 3) / 16; dw1++, pDest++) {
+ for (dw = 0, wSum = 0; dw < 16; dw++, pSrce++)
+ wSum += *pSrce;
+
+ *pDest = wSum / 16;
+ }
+
+ /* FindTheMaxGainValue */
+ for (w = 0, p.pb = pNegativeTempRam; w < 3; w++) {
+ for (dw = 960 / 16, b[w] = 0; dw; dw--, p.pb++) {
+ if (b[w] < *p.pb)
+ b[w] = *p.pb;
+ }
+ }
+ ps->bRedHigh = b[0];
+ ps->bGreenHigh = b[1];
+ ps->bBlueHigh = b[2];
+
+ /* ModifyExposureTime () */
+ if ((ps->bRedHigh < _GAIN_LOW) ||
+ (ps->bGreenHigh < _GAIN_LOW) || (ps->bBlueHigh < _GAIN_LOW)) {
+ ps->AsicReg.RD_LineControl = 192;
+ }
+
+ IOCmdRegisterToScanner( ps, ps->RegLineControl,
+ ps->AsicReg.RD_LineControl );
+ counter = 0;
+
+ /* ReAdjustRGBGain () */
+ for (w1 = 0; w1 < 16; w1++) {
+
+ ps->PauseColorMotorRunStates( ps );
+ DacP98FillGainOutDirectPort( ps );
+
+ /* SetReadNegativeTempRegister () */
+ ps->AsicReg.RD_Motor0Control = 0;
+ IOCmdRegisterToScanner( ps, ps->RegMotor0Control,
+ ps->AsicReg.RD_Motor0Control );
+
+ ps->AsicReg.RD_ModeControl = _ModeScan;
+ ps->AsicReg.RD_Motor0Control = _MotorOn + _MotorHEightStep + _MotorDirForward;
+ ps->AsicReg.RD_ModelControl = _ModelDpi600 + _LED_CONTROL + _LED_ACTIVITY;
+ ps->AsicReg.RD_Dpi = ps->PhysicalDpi;
+
+ if (!ps->wNegAdjustX) {
+ ps->AsicReg.RD_Origin = (UShort)(ps->dwOffset70 +
+ ps->Device.DataOriginX +
+ _Negative96OriginOffsetX * 2);
+ } else {
+ ps->AsicReg.RD_Origin = (UShort)(ps->dwOffset70 +
+ ps->Device.DataOriginX +
+ ps->wNegAdjustX);
+ }
+
+ ps->AsicReg.RD_Pixels = 960;
+ ps->AsicReg.RD_XStepTime = 32;
+ IOPutOnAllRegisters( ps );
+
+ /* ReReadNegativeTemp () */
+ MiscStartTimer( &timer, _SECOND );
+ while((IOReadFifoLength( ps ) < 960) && !MiscCheckTimer( &timer)) {
+
+ _DO_UDELAY(1);
+ }
+
+ /* ReadColorDataIn() - Read 1 RGB line */
+ ps->AsicReg.RD_ModeControl = _ModeFifoRSel;
+ IOReadScannerImageData( ps, pNegativeTempRam, 960 );
+
+ ps->AsicReg.RD_ModeControl = _ModeFifoGSel;
+ IOReadScannerImageData( ps, pNegativeTempRam + 960, 960);
+
+ ps->AsicReg.RD_ModeControl = _ModeFifoBSel;
+ IOReadScannerImageData( ps ,pNegativeTempRam + 960 * 2, 960);
+
+
+ /* ReAdjustGainAverage() */
+ pDest = pSrce = pNegativeTempRam;
+ for( dw1 = 0; dw1 < (960 * 3) / 16; dw1++, pDest++ ) {
+ for( dw = 0, wSum = 0; dw < 16; dw++, pSrce++ )
+ wSum += *pSrce;
+ *pDest = wSum / 16;
+ }
+
+ /* FindTheMaxGainValue */
+ pbReg[0] = &ps->bRedGainIndex;
+ pbReg[1] = &ps->bGreenGainIndex;
+ pbReg[2] = &ps->bBlueGainIndex;
+ for (w = 0, p.pb = pNegativeTempRam; w < 3; w++) {
+
+ for (dw = 960 / 16, b [w] = 0; dw; dw--, p.pb++) {
+ if (b[w] < *p.pb)
+ b[w] = *p.pb;
+ }
+ if (b [w] < _GAIN_LOW) {
+ if (( _GAIN_P98_HIGH - b [w]) < b [w])
+ *(pbReg [w]) += 1;
+ else
+ *(pbReg [w]) += 4;
+ } else {
+
+ if (b [w] > _GAIN_P98_HIGH)
+ *(pbReg [w]) -= 1;
+ }
+ }
+
+ for (w2 = 0; w2 < 3; w2++) {
+ if (*(pbReg[w2]) > 31)
+ (*(pbReg[w2])) = 31;
+ }
+ if ((b[0] == 0) || (b[1] == 0) || (b[2] == 0)) {
+ counter++;
+
+ if (counter < 16) {
+ w1--;
+ ps->bRedGainIndex -= 4;
+ ps->bGreenGainIndex -= 4;
+ ps->bBlueGainIndex -= 4;
+ }
+ }
+ }
+
+ DacP98FillGainOutDirectPort( ps );
+
+ ps->Shade.DarkOffset.Colors.Red = 0;
+ ps->Shade.DarkOffset.Colors.Green = 0;
+ ps->Shade.DarkOffset.Colors.Blue = 0;
+
+ ps->OpenScanPath( ps );
+ DacP98FillShadingDarkToShadingRegister( ps );
+ ps->CloseScanPath( ps );
+
+ DacP98AdjustDark( ps );
+}
+
+/*.............................................................................
+ *
+ */
+static void tpaP98RecalculateShadingGainandData( pScanData ps )
+{
+ DataPointer p;
+ ULong dw;
+ UShort filmAdjustX;
+ UShort wOldRedGain, wOldGreenGain, wOldBlueGain;
+ UShort wNewRedGain, wNewGreenGain, wNewBlueGain;
+
+ /* AdjustDarkCondition () */
+ ps->Shade.pCcdDac->DarkDAC.Colors.Red = ps->bsPreRedDAC;
+ ps->Shade.pCcdDac->DarkDAC.Colors.Green = ps->bsPreGreenDAC;
+ ps->Shade.pCcdDac->DarkDAC.Colors.Blue = ps->bsPreBlueDAC;
+
+ ps->Shade.pCcdDac->DarkCmpHi.Colors.Red = ps->wsDACCompareHighRed;
+ ps->Shade.pCcdDac->DarkCmpLo.Colors.Red = ps->wsDACCompareLowRed;
+ ps->Shade.pCcdDac->DarkCmpHi.Colors.Green = ps->wsDACCompareHighGreen;
+ ps->Shade.pCcdDac->DarkCmpLo.Colors.Green = ps->wsDACCompareLowGreen;
+ ps->Shade.pCcdDac->DarkCmpHi.Colors.Blue = ps->wsDACCompareHighBlue;
+ ps->Shade.pCcdDac->DarkCmpLo.Colors.Blue = ps->wsDACCompareLowBlue;
+
+ wOldRedGain = a_wGainString[ps->bRedGainIndex] * 100/ps->wReduceRedFactor;
+
+ /* SearchNewGain() */
+ for (ps->bRedGainIndex = 0; ps->bRedGainIndex < 32; ps->bRedGainIndex++) {
+ if (wOldRedGain < a_wGainString[ps->bRedGainIndex])
+ break;
+ }
+
+ if (0 == ps->bRedGainIndex)
+ ps->bRedGainIndex ++;
+
+ wNewRedGain = a_wGainString[--ps->bRedGainIndex];
+
+ wOldGreenGain = a_wGainString[ps->bGreenGainIndex]*100/
+ ps->wReduceGreenFactor;
+
+ /* SearchNewGain() */
+ for (ps->bGreenGainIndex = 0;
+ ps->bGreenGainIndex < 32; ps->bGreenGainIndex++) {
+
+ if (wOldGreenGain < a_wGainString[ps->bGreenGainIndex])
+ break;
+ }
+
+ if (0 == ps->bGreenGainIndex)
+ ps->bGreenGainIndex ++;
+
+ wNewGreenGain = a_wGainString[--ps->bGreenGainIndex];
+
+ wOldBlueGain = a_wGainString[ps->bBlueGainIndex]*100/ps->wReduceBlueFactor;
+
+ /* SearchNewGain() */
+ for (ps->bBlueGainIndex = 0;ps->bBlueGainIndex < 32;ps->bBlueGainIndex++) {
+ if (wOldBlueGain < a_wGainString[ps->bBlueGainIndex])
+ break;
+ }
+ if (0 == ps->bBlueGainIndex)
+ ps->bBlueGainIndex ++;
+
+ wNewBlueGain = a_wGainString[--ps->bBlueGainIndex];
+
+ DacP98FillGainOutDirectPort( ps );
+
+ ps->Shade.DarkOffset.Colors.Red = 0;
+ ps->Shade.DarkOffset.Colors.Green = 0;
+ ps->Shade.DarkOffset.Colors.Blue = 0;
+
+ ps->OpenScanPath( ps );
+ DacP98FillShadingDarkToShadingRegister( ps );
+ ps->CloseScanPath( ps );
+
+ DacP98AdjustDark( ps );
+
+ /* RecalculateTransparencyImage() */
+ if (ps->DataInf.dwScanFlag & SCANDEF_Transparency) {
+ filmAdjustX = ps->wPosAdjustX;
+ } else {
+ filmAdjustX = ps->wNegAdjustX;
+ }
+
+ if (!filmAdjustX) {
+ p.pw = (pUShort)(ps->pScanBuffer1 + ps->dwOffsetNegative +
+ _Negative96OriginOffsetX * 2);
+ } else {
+ p.pw = (pUShort)(ps->pScanBuffer1 +
+ ps->dwOffsetNegative + filmAdjustX);
+ }
+
+ /* RecalculateData() */
+ for (dw= 0; dw < _NegativePageWidth * 2 + 132; dw++, p.pw++)
+ *p.pw = *p.pw * wNewRedGain / wOldRedGain;
+
+ if (!ps->wNegAdjustX) {
+ p.pw = (pUShort)(ps->pScanBuffer1 + 5400 * 2 +
+ ps->dwOffsetNegative + _Negative96OriginOffsetX * 2);
+ } else {
+ p.pw = (pUShort)(ps->pScanBuffer1 + 5400 * 2 +
+ ps->dwOffsetNegative + ps->wNegAdjustX);
+ }
+
+ /* RecalculateData() */
+ for (dw= 0; dw < _NegativePageWidth * 2 + 132; dw++, p.pw++)
+ *p.pw = *p.pw * wNewGreenGain / wOldGreenGain;
+
+ if (!ps->wNegAdjustX) {
+ p.pw = (pUShort)(ps->pScanBuffer1 + 5400 * 4 +
+ ps->dwOffsetNegative + _Negative96OriginOffsetX * 2);
+ } else {
+ p.pw = (pUShort)(ps->pScanBuffer1 + 5400 * 4 +
+ ps->dwOffsetNegative + ps->wNegAdjustX);
+ }
+
+ /* RecalculateData() - 64 + dwoffset70 */
+ for (dw= 0; dw < _NegativePageWidth * 2 + 132; dw++, p.pw++)
+ *p.pw = *p.pw * wNewBlueGain / wOldBlueGain;
+}
+
+/************************ exported functions *********************************/
+
+/*.............................................................................
+ * perform some adjustments according to the source (normal, transparency etc)
+ */
+_LOC void TPAP98001AverageShadingData( pScanData ps )
+{
+ DBG( DBG_LOW, "TPAP98001AverageShadingData()\n" );
+
+ ps->wNegAdjustX = 0;
+ ps->wPosAdjustX = 0;
+ ps->dwOffsetNegative = 0;
+
+ tpaP98ShadingWaveformSum( ps );
+
+ /*
+ * CHANGE: to support Grayscale images in transparency and negative mode
+ * original code: if ((ps->DataInf.wPhyDataType >= COLOR_TRUE24) &&
+ */
+ if((ps->DataInf.wPhyDataType >= COLOR_256GRAY) &&
+ (ps->DataInf.dwScanFlag & SCANDEF_TPA)) {
+
+ if (((ps->DataInf.dwScanFlag & SCANDEF_Negative) && !ps->wNegAdjustX) ||
+ ((ps->DataInf.dwScanFlag & SCANDEF_Transparency) && !ps->wPosAdjustX)) {
+
+ Long dwLeft, dwRight;
+ pUShort pw = (pUShort)ps->pScanBuffer1;
+
+ for (dwLeft = 0; dwLeft < 5400; dwLeft++)
+ if (pw[dwLeft] >= 600)
+ break;
+
+ for (dwRight = 4600; dwRight; dwRight--)
+ if (pw[dwRight] >= 600)
+ break;
+
+ DBG( DBG_LOW, "_TPAPageWidth = %u, _NegativePageWidth = %u\n"
+ "right = %d, left = %d --> right = %d\n",
+ _TPAPageWidth, _NegativePageWidth,
+ dwRight, dwLeft, (((Long)dwRight-(Long)dwLeft)/2));
+
+ dwRight = (dwRight - dwLeft) / 2;
+
+ if (ps->DataInf.dwScanFlag & SCANDEF_Negative) {
+
+ if (dwRight >= (Long)_NegativePageWidth) {
+
+ ps->wNegAdjustX = (UShort)(dwRight - _NegativePageWidth +
+ dwLeft - ps->dwOffset70 -
+ ps->Device.DataOriginX + 4U);
+ if( ps->wNegAdjustX > (_Negative96OriginOffsetX * 2U))
+ ps->wNegAdjustX = (_Negative96OriginOffsetX * 2U);
+
+ ps->DataInf.crImage.x += ps->wNegAdjustX;
+ } else {
+ ps->DataInf.crImage.x += (_Negative96OriginOffsetX * 2U);
+ }
+ } else {
+ if (dwRight >= (Long)_TPAPageWidth) {
+
+ ps->wPosAdjustX = (UShort)(dwRight - _TPAPageWidth +
+ dwLeft - ps->dwOffset70 -
+ ps->Device.DataOriginX + 4U);
+
+ if( ps->wPosAdjustX > (_Transparency96OriginOffsetX * 2U))
+ ps->wPosAdjustX = (_Transparency96OriginOffsetX * 2U);
+
+ ps->DataInf.crImage.x += ps->wPosAdjustX;
+
+ } else {
+ ps->DataInf.crImage.x += (_Transparency96OriginOffsetX * 2U);
+ }
+ }
+ }
+#if 0
+ else {
+ /* CHANGE: as we always reset the values, we can ignore this code..*/
+
+ if( ps->DataInf.dwScanFlag & SCANDEF_Negative )
+ ps->DataInf.crImage.x += ps->wNegAdjustX;
+ else
+ ps->DataInf.crImage.x += ps->wPosAdjustX;
+ }
+#endif
+
+ if( ps->DataInf.dwScanFlag & SCANDEF_Negative ) {
+
+ ps->dwOffsetNegative = (ps->dwOffset70 + 64+4) * 2;
+
+ tpaP98GetNegativeTempRamData( ps );
+ tpaP98RecalculateNegativeShadingGain( ps );
+
+ } else {
+ ps->wReduceRedFactor = 0x3e;
+ ps->wReduceGreenFactor = 0x39;
+ ps->wReduceBlueFactor = 0x42;
+
+ if( ps->Device.bCCDID == _CCD_518 ) {
+ ps->wReduceRedFactor = 55;
+ ps->wReduceGreenFactor = 55;
+ ps->wReduceBlueFactor = 55;
+ }
+ if( ps->Device.bCCDID == _CCD_3797 ) {
+ ps->wReduceRedFactor = 42;
+ ps->wReduceGreenFactor = 50;
+ ps->wReduceBlueFactor = 50;
+ }
+
+ tpaP98RecalculateShadingGainandData( ps );
+ }
+ }
+}
+
+/*.............................................................................
+ * perform some adjustments according to the source (normal, transparency etc)
+ */
+_LOC void TPAP98003FindCenterPointer( pScanData ps )
+{
+ ULong i;
+ ULong width;
+ ULong left;
+ ULong right;
+ pRGBUShortDef pwSum = ps->Bufs.b2.pSumRGB;
+
+ if( ps->DataInf.dwScanFlag & SCANDEF_Negative )
+ width = _NEG_PAGEWIDTH600;
+ else
+ width = _NEG_PAGEWIDTH600 - 94;
+
+ /* 2.54 cm tolerance */
+ left = ps->Device.DataOriginX + _NEG_ORG_OFFSETX * 2 - 600;
+ right = ps->Device.DataOriginX + _NEG_ORG_OFFSETX * 2 +
+ _NEG_PAGEWIDTH600 + 600;
+
+ for( i = 5400UL - left, pwSum = ps->Bufs.b2.pSumRGB; i--; left++)
+ if( pwSum[left].Red > _NEG_EDGE_VALUE &&
+ pwSum[left].Green > _NEG_EDGE_VALUE &&
+ pwSum[left].Blue > _NEG_EDGE_VALUE)
+ break;
+
+ for( i = 5400UL - left, pwSum = ps->Bufs.b2.pSumRGB; i--; right--)
+ if( pwSum[right].Red > _NEG_EDGE_VALUE &&
+ pwSum[right].Green > _NEG_EDGE_VALUE &&
+ pwSum[right].Blue > _NEG_EDGE_VALUE)
+ break;
+
+ if((right <= left) || ((right - left) < width)) {
+ if( ps->DataInf.dwScanFlag & SCANDEF_Negative )
+ ps->Scan.negBegin = ps->Device.DataOriginX + _NEG_ORG_OFFSETX * 2;
+ else
+ ps->Scan.posBegin = ps->Device.DataOriginX + _POS_ORG_OFFSETX * 2;
+ } else {
+ if( ps->DataInf.dwScanFlag & SCANDEF_Negative )
+ ps->Scan.negBegin = (right + left) / 2UL - _NEG_PAGEWIDTH;
+ else
+ ps->Scan.posBegin = (right + left) / 2UL - _POS_PAGEWIDTH;
+ }
+}
+
+/*.............................................................................
+ * this function does some reshading, when scanning negatives on an ASIC 98003
+ * based scanner
+ */
+_LOC void TPAP98003Reshading( pScanData ps )
+{
+ Byte bHi[3], bHiLeft[3], bHiRight[3];
+ ULong i, dwR, dwG, dwB, dwSum;
+ ULong dwIndex, dwIndexRight, dwIndexLeft;
+ DataPointer RedPtr, GreenPtr, BluePtr;
+ TimerDef timer;
+
+ bHi[0] = bHi[1] = bHi[2] = 0;
+
+/* CHECK: Why this ??? */
+#if 1
+ ps->Scan.negScan[1].exposureTime = 144;
+ ps->Scan.negScan[1].xStepTime = 18;
+ ps->Scan.negScan[2].exposureTime = 144;
+ ps->Scan.negScan[2].xStepTime = 36;
+ ps->Scan.negScan[3].exposureTime = 144;
+ ps->Scan.negScan[3].xStepTime = 72;
+ ps->Scan.negScan[4].exposureTime = 144;
+ ps->Scan.negScan[4].xStepTime = 144;
+#endif
+
+ ps->Shade.wExposure = ps->Scan.negScan[ps->Scan.dpiIdx].exposureTime;
+ ps->Shade.wXStep = ps->Scan.negScan[ps->Scan.dpiIdx].xStepTime;
+
+ MiscStartTimer( &timer, _SECOND );
+
+ while(!(IOGetScanState(ps, _TRUE) & _SCANSTATE_STOP) &&
+ (_OK == MiscCheckTimer(&timer)));
+
+ IODataToRegister( ps, ps->RegXStepTime,
+ (Byte)(ps->AsicReg.RD_LineControl >> 4));
+ _DODELAY( 12 );
+ MotorP98003PositionYProc( ps, _NEG_SHADING_OFFS );
+
+ IODataToRegister( ps, ps->RegXStepTime, ps->AsicReg.RD_XStepTime );
+
+ ps->AsicReg.RD_ScanControl = _SCAN_BYTEMODE;
+ IOSelectLampSource( ps );
+
+ IODataToRegister( ps, ps->RegLineControl, _LOBYTE(ps->Shade.wExposure));
+ IODataToRegister( ps, ps->RegXStepTime, _LOBYTE(ps->Shade.wXStep));
+
+ ps->AsicReg.RD_LineControl = _LOBYTE(ps->Shade.wExposure);
+ ps->AsicReg.RD_ExtLineControl = _HIBYTE(ps->Shade.wExposure);
+ ps->AsicReg.RD_XStepTime = (Byte)(ps->Shade.wExposure);
+ ps->AsicReg.RD_ModeControl = _ModeScan;
+ ps->AsicReg.RD_Motor0Control = _FORWARD_MOTOR;
+
+ ps->AsicReg.RD_Origin = (UShort)ps->Scan.negBegin;
+ ps->AsicReg.RD_Pixels = _NEG_PAGEWIDTH600;
+
+ memset( ps->a_nbNewAdrPointer, 0, _SCANSTATE_BYTES );
+
+ /* put 9 scan states to make sure there are 8 lines available at least */
+ for( i = 0; i <= 12; i++)
+ ps->a_nbNewAdrPointer[i] = 0x8f;
+
+ IOPutOnAllRegisters( ps );
+ _DODELAY( 70 );
+
+ /* prepare the buffers... */
+ memset( ps->Bufs.TpaBuf.pb, 0, _SizeTpaDataBuf );
+
+ RedPtr.pb = ps->Bufs.b1.pShadingMap;
+ GreenPtr.pb = RedPtr.pb + _NEG_PAGEWIDTH600;
+ BluePtr.pb = GreenPtr.pb + _NEG_PAGEWIDTH600;
+
+ for( dwSum = 8; dwSum--; ) {
+
+ IOReadOneShadingLine( ps, ps->Bufs.b1.pShadingMap, _NEG_PAGEWIDTH600 );
+
+ for( i = 0; i < _NEG_PAGEWIDTH600; i++) {
+
+ ps->Bufs.TpaBuf.pusrgb[i].Red += RedPtr.pb[i];
+ ps->Bufs.TpaBuf.pusrgb[i].Green += GreenPtr.pb[i];
+ ps->Bufs.TpaBuf.pusrgb[i].Blue += BluePtr.pb[i];
+ }
+ }
+
+ for( i = 0; i < (_NEG_PAGEWIDTH600 * 3UL); i++ )
+ ps->Bufs.TpaBuf.pb[i] = ps->Bufs.TpaBuf.pw[i] >> 3;
+
+ RedPtr.pb = ps->Bufs.TpaBuf.pb;
+
+ /* Convert RGB to gray scale (Brightness), and average 16 pixels */
+ for( bHiRight[1] = 0, i = dwIndexRight = 0;
+ i < _NEG_PAGEWIDTH600 / 2; i += 16 ) {
+ bHiRight [0] =
+ (Byte)(((((ULong) RedPtr.pbrgb [i].Red +
+ (ULong) RedPtr.pbrgb[i + 1].Red +
+ (ULong) RedPtr.pbrgb[i + 2].Red +
+ (ULong) RedPtr.pbrgb[i + 3].Red +
+ (ULong) RedPtr.pbrgb[i + 4].Red +
+ (ULong) RedPtr.pbrgb[i + 5].Red +
+ (ULong) RedPtr.pbrgb[i + 6].Red +
+ (ULong) RedPtr.pbrgb[i + 7].Red +
+ (ULong) RedPtr.pbrgb[i + 8].Red +
+ (ULong) RedPtr.pbrgb[i + 9].Red +
+ (ULong) RedPtr.pbrgb[i + 10].Red +
+ (ULong) RedPtr.pbrgb[i + 11].Red +
+ (ULong) RedPtr.pbrgb[i + 12].Red +
+ (ULong) RedPtr.pbrgb[i + 13].Red +
+ (ULong) RedPtr.pbrgb[i + 14].Red +
+ (ULong) RedPtr.pbrgb[i + 15].Red) >> 4) * 30UL +
+ (((ULong) RedPtr.pbrgb[i].Green +
+ (ULong) RedPtr.pbrgb[i + 1].Green +
+ (ULong) RedPtr.pbrgb[i + 2].Green +
+ (ULong) RedPtr.pbrgb[i + 3].Green +
+ (ULong) RedPtr.pbrgb[i + 4].Green +
+ (ULong) RedPtr.pbrgb[i + 5].Green +
+ (ULong) RedPtr.pbrgb[i + 6].Green +
+ (ULong) RedPtr.pbrgb[i + 7].Green +
+ (ULong) RedPtr.pbrgb[i + 8].Green +
+ (ULong) RedPtr.pbrgb[i + 9].Green +
+ (ULong) RedPtr.pbrgb[i + 10].Green +
+ (ULong) RedPtr.pbrgb[i + 11].Green +
+ (ULong) RedPtr.pbrgb[i + 12].Green +
+ (ULong) RedPtr.pbrgb[i + 13].Green +
+ (ULong) RedPtr.pbrgb[i + 14].Green +
+ (ULong) RedPtr.pbrgb[i + 15].Green) >> 4) * 59UL +
+ (((ULong) RedPtr.pbrgb[i].Blue +
+ (ULong) RedPtr.pbrgb[i + 1].Blue +
+ (ULong) RedPtr.pbrgb[i + 2].Blue +
+ (ULong) RedPtr.pbrgb[i + 3].Blue +
+ (ULong) RedPtr.pbrgb[i + 4].Blue +
+ (ULong) RedPtr.pbrgb[i + 5].Blue +
+ (ULong) RedPtr.pbrgb[i + 6].Blue +
+ (ULong) RedPtr.pbrgb[i + 7].Blue +
+ (ULong) RedPtr.pbrgb[i + 8].Blue +
+ (ULong) RedPtr.pbrgb[i + 9].Blue +
+ (ULong) RedPtr.pbrgb[i + 10].Blue +
+ (ULong) RedPtr.pbrgb[i + 11].Blue +
+ (ULong) RedPtr.pbrgb[i + 12].Blue +
+ (ULong) RedPtr.pbrgb[i + 13].Blue +
+ (ULong) RedPtr.pbrgb[i + 14].Blue +
+ (ULong) RedPtr.pbrgb[i + 15].Blue) >> 4) * 11UL) / 100UL);
+
+ if( bHiRight[1] < bHiRight[0] ) {
+ bHiRight[1] = bHiRight[0];
+ dwIndexRight = i;
+ }
+ }
+
+ /* Convert RGB to gray scale (Brightness), and average 16 pixels */
+ for( bHiLeft[1] = 0, i = dwIndexLeft = _NEG_PAGEWIDTH / 2;
+ i < _NEG_PAGEWIDTH600; i += 16 ) {
+ bHiLeft [0] =
+ (Byte)(((((ULong) RedPtr.pbrgb[i].Red +
+ (ULong) RedPtr.pbrgb[i + 1].Red +
+ (ULong) RedPtr.pbrgb[i + 2].Red +
+ (ULong) RedPtr.pbrgb[i + 3].Red +
+ (ULong) RedPtr.pbrgb[i + 4].Red +
+ (ULong) RedPtr.pbrgb[i + 5].Red +
+ (ULong) RedPtr.pbrgb[i + 6].Red +
+ (ULong) RedPtr.pbrgb[i + 7].Red +
+ (ULong) RedPtr.pbrgb[i + 8].Red +
+ (ULong) RedPtr.pbrgb[i + 9].Red +
+ (ULong) RedPtr.pbrgb[i + 10].Red +
+ (ULong) RedPtr.pbrgb[i + 11].Red +
+ (ULong) RedPtr.pbrgb[i + 12].Red +
+ (ULong) RedPtr.pbrgb[i + 13].Red +
+ (ULong) RedPtr.pbrgb[i + 14].Red +
+ (ULong) RedPtr.pbrgb[i + 15].Red) >> 4) * 30UL +
+ (((ULong) RedPtr.pbrgb[i].Green +
+ (ULong) RedPtr.pbrgb[i + 1].Green +
+ (ULong) RedPtr.pbrgb[i + 2].Green +
+ (ULong) RedPtr.pbrgb[i + 3].Green +
+ (ULong) RedPtr.pbrgb[i + 4].Green +
+ (ULong) RedPtr.pbrgb[i + 5].Green +
+ (ULong) RedPtr.pbrgb[i + 6].Green +
+ (ULong) RedPtr.pbrgb[i + 7].Green +
+ (ULong) RedPtr.pbrgb[i + 8].Green +
+ (ULong) RedPtr.pbrgb[i + 9].Green +
+ (ULong) RedPtr.pbrgb[i + 10].Green +
+ (ULong) RedPtr.pbrgb[i + 11].Green +
+ (ULong) RedPtr.pbrgb[i + 12].Green +
+ (ULong) RedPtr.pbrgb[i + 13].Green +
+ (ULong) RedPtr.pbrgb[i + 14].Green +
+ (ULong) RedPtr.pbrgb[i + 15].Green) >> 4) * 59UL +
+ (((ULong) RedPtr.pbrgb[i].Blue +
+ (ULong) RedPtr.pbrgb[i + 1].Blue +
+ (ULong) RedPtr.pbrgb[i + 2].Blue +
+ (ULong) RedPtr.pbrgb[i + 3].Blue +
+ (ULong) RedPtr.pbrgb[i + 4].Blue +
+ (ULong) RedPtr.pbrgb[i + 5].Blue +
+ (ULong) RedPtr.pbrgb[i + 6].Blue +
+ (ULong) RedPtr.pbrgb[i + 7].Blue +
+ (ULong) RedPtr.pbrgb[i + 8].Blue +
+ (ULong) RedPtr.pbrgb[i + 9].Blue +
+ (ULong) RedPtr.pbrgb[i + 10].Blue +
+ (ULong) RedPtr.pbrgb[i + 11].Blue +
+ (ULong) RedPtr.pbrgb[i + 12].Blue +
+ (ULong) RedPtr.pbrgb[i + 13].Blue +
+ (ULong) RedPtr.pbrgb[i + 14].Blue +
+ (ULong) RedPtr.pbrgb[i + 15].Blue) >> 4) * 11UL) / 100UL);
+
+ if( bHiLeft[1] < bHiLeft[0] ) {
+ bHiLeft[1] = bHiLeft[0];
+ dwIndexLeft = i;
+ }
+ }
+
+ if((bHiLeft[1] < 200) && (bHiRight[1] < 200)) {
+
+ if( bHiLeft[1] < bHiRight[1] )
+ dwIndex = dwIndexRight;
+ else
+ dwIndex = dwIndexLeft;
+ } else {
+ if( bHiLeft[1] > 200 )
+ dwIndex = dwIndexRight;
+ else
+ dwIndex = dwIndexLeft;
+ }
+
+ /* Get the hilight */
+ RedPtr.pusrgb = ps->Bufs.b2.pSumRGB + dwIndex +
+ ps->AsicReg.RD_Origin + _SHADING_BEGINX;
+
+ for( dwR = dwG = dwB = 0, i = 16; i--; RedPtr.pusrgb++ ) {
+ dwR += RedPtr.pusrgb->Red;
+ dwG += RedPtr.pusrgb->Green;
+ dwB += RedPtr.pusrgb->Blue;
+ }
+
+ dwR >>= 8;
+ dwG >>= 8;
+ dwB >>= 8;
+
+ if( dwR > dwG && dwR > dwB )
+ ps->Shade.bGainHigh = (Byte)dwR; /* >> 4 for average, >> 4 to 8-bit */
+ else {
+ if( dwG > dwR && dwG > dwB )
+ ps->Shade.bGainHigh = (Byte)dwG;
+ else
+ ps->Shade.bGainHigh = (Byte)dwB;
+ }
+
+ ps->Shade.bGainHigh = (Byte)(ps->Shade.bGainHigh - 0x18);
+ ps->Shade.bGainLow = (Byte)(ps->Shade.bGainHigh - 0x10);
+
+ /* Reshading to get the new gain */
+ ps->Shade.Hilight.Colors.Red = 0;
+ ps->Shade.Hilight.Colors.Green = 0;
+ ps->Shade.Hilight.Colors.Blue = 0;
+ ps->Shade.Gain.Colors.Red++;
+ ps->Shade.Gain.Colors.Green++;
+ ps->Shade.Gain.Colors.Blue++;
+ ps->Shade.fStop = _FALSE;
+
+ RedPtr.pb = ps->Bufs.b1.pShadingMap + dwIndex;
+ GreenPtr.pb = RedPtr.pb + _NEG_PAGEWIDTH600;
+ BluePtr.pb = GreenPtr.pb + _NEG_PAGEWIDTH600;
+
+ for( i = 16; i-- && !ps->Shade.fStop;) {
+
+ ps->Shade.fStop = _TRUE;
+
+ DacP98003FillToDAC( ps, &ps->Device.RegDACGain, &ps->Shade.Gain );
+
+ IODataToRegister( ps, ps->RegModeControl, _ModeIdle );
+
+ ps->AsicReg.RD_ScanControl = _SCAN_BYTEMODE;
+ IOSelectLampSource( ps );
+
+ ps->AsicReg.RD_ModeControl = _ModeScan;
+ ps->AsicReg.RD_StepControl = _MOTOR0_SCANSTATE;
+ ps->AsicReg.RD_Motor0Control = _FORWARD_MOTOR;
+
+ memset( ps->a_nbNewAdrPointer, 0, _SCANSTATE_BYTES );
+ ps->a_nbNewAdrPointer[1] = 0x77;
+
+ IOPutOnAllRegisters( ps );
+ _DODELAY( 50 );
+
+ if(IOReadOneShadingLine(ps,ps->Bufs.b1.pShadingMap,_NEG_PAGEWIDTH600)) {
+
+ bHi[0] = DacP98003SumGains( RedPtr.pb, 32 );
+ bHi[1] = DacP98003SumGains( GreenPtr.pb, 32 );
+ bHi[2] = DacP98003SumGains( BluePtr.pb, 32 );
+
+ if( !bHi[0] || !bHi[1] || !bHi[2]) {
+ ps->Shade.fStop = _FALSE;
+ } else {
+
+ DacP98003AdjustGain( ps, _CHANNEL_RED, bHi[0] );
+ DacP98003AdjustGain( ps, _CHANNEL_GREEN, bHi[1] );
+ DacP98003AdjustGain( ps, _CHANNEL_BLUE, bHi[2] );
+ }
+ } else
+ ps->Shade.fStop = _FALSE;
+ }
+
+ DacP98003FillToDAC( ps, &ps->Device.RegDACGain, &ps->Shade.Gain );
+
+ /* Set RGB Gain */
+ if( dwR && dwG && dwB ) {
+
+ if(ps->Device.bCCDID == _CCD_3797 || ps->Device.bDACType == _DA_ESIC) {
+ ps->Shade.pCcdDac->GainResize.Colors.Red =
+ (UShort)((ULong)bHi[0] * 100UL / dwR);
+ ps->Shade.pCcdDac->GainResize.Colors.Green =
+ (UShort)((ULong)bHi[1] * 100UL / dwG);
+ ps->Shade.pCcdDac->GainResize.Colors.Blue =
+ (UShort)((ULong)bHi[2] * 100UL / dwB);
+ } else {
+ ps->Shade.pCcdDac->GainResize.Colors.Red =
+ (UShort)((ULong)bHi[0] * 90UL / dwR);
+ ps->Shade.pCcdDac->GainResize.Colors.Green =
+ (UShort)((ULong)bHi[1] * 77UL / dwG);
+ ps->Shade.pCcdDac->GainResize.Colors.Blue =
+ (UShort)((ULong)bHi[2] * 73UL / dwB);
+ }
+ ps->Shade.DarkOffset.Colors.Red +=
+ (UShort)((dwR > bHi[0]) ? dwR - bHi[0] : 0);
+ ps->Shade.DarkOffset.Colors.Green +=
+ (UShort)((dwG > bHi[1]) ? dwG - bHi[1] : 0);
+ ps->Shade.DarkOffset.Colors.Blue +=
+ (UShort)((dwB > bHi[2]) ? dwB - bHi[2] : 0);
+
+ if( ps->Device.bDACType != _DA_ESIC && ps->Device.bCCDID != _CCD_3799 ) {
+ ps->Shade.DarkOffset.Colors.Red =
+ (UShort)(ps->Shade.DarkOffset.Colors.Red *
+ ps->Shade.pCcdDac->GainResize.Colors.Red / 100UL);
+ ps->Shade.DarkOffset.Colors.Green =
+ (UShort)(ps->Shade.DarkOffset.Colors.Green *
+ ps->Shade.pCcdDac->GainResize.Colors.Green / 100UL);
+ ps->Shade.DarkOffset.Colors.Blue =
+ (UShort)(ps->Shade.DarkOffset.Colors.Blue *
+ ps->Shade.pCcdDac->GainResize.Colors.Blue / 100UL);
+ }
+ }
+
+ /* AdjustDark () */
+ ps->AsicReg.RD_Origin = _SHADING_BEGINX;
+ ps->AsicReg.RD_Pixels = 5400;
+}
+
+/* END PLUSTEK-PP_TPA.C .....................................................*/
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-23 06:54:11 +0000