mirror
/
sane-project-backends
kopia lustrzana https://gitlab.com/sane-project/backends
1
0
Forkuj 0
Kod Zgłoszenia Projekty Wydania Wiki Aktywność
sane-project-backends/backend/plustek-usbcalfile.c

846 wiersze
22 KiB
C
Czysty Wina Historia

/*.............................................................................
* Project : SANE library for Plustek flatbed scanners.
*.............................................................................
*/
/** @file plustek-usbcalfile.c
* @brief Functions for saving/restoring calibration settings
*
* Copyright (C) 2001-2007 Gerhard Jaeger <gerhard@gjaeger.de>
*
* History:
* - 0.46 - first version
* - 0.47 - no changes
* - 0.48 - no changes
* - 0.49 - a_bRegs is now part of the device structure
* - 0.50 - cleanup
* - 0.51 - added functions for saving, reading and restoring
* fine calibration data
* - 0.52 - no changes
* .
* <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>
*/
typedef struct {
u_long red_light_on;
u_long red_light_off;
u_long green_light_on;
u_long green_light_off;
u_long blue_light_on;
u_long blue_light_off;
u_long green_pwm_duty;
} LightCtrl;
typedef struct {
u_short version;
u_short red_gain;
u_short green_gain;
u_short blue_gain;
u_short red_offs;
u_short green_offs;
u_short blue_offs;
LightCtrl light;
} CalData;
/* our shading buffers */
static u_short a_wWhiteShading[_SHADING_BUF] = {0};
static u_short a_wDarkShading[_SHADING_BUF] = {0};
/* the version the calibration files */
#define _PT_CF_VERSION 0x0002
/** function to read a text file and returns the string which starts which
* 'id' string.
* no duplicate entries where detected, always the first occurance will be
* red.
* @param fp - file pointer of file to read
* @param id - what to search for
* @param res - where to store the result upon success
* @return SANE_TRUE on success, SANE_FALSE on any error
*/
static SANE_Bool
usb_ReadSpecLine( FILE *fp, char *id, char* res )
{
char tmp[1024];
char *ptr;
/* rewind file pointer */
if( 0 != fseek( fp, 0L, SEEK_SET)) {
DBG( _DBG_ERROR, "fseek: %s\n", strerror(errno));
return SANE_FALSE;
}
/* roam through the file and examine each line... */
while( !feof( fp )) {
memset( tmp, 0, sizeof(tmp));
if( NULL != fgets( tmp, 1024, fp )) {
if( 0 == strncmp( tmp, id, strlen(id))) {
ptr = &tmp[strlen(id)];
if( '\0' == *ptr )
break;
strcpy( res, ptr );
res[strlen(res)-1] = '\0';
return SANE_TRUE;
}
}
}
return SANE_FALSE;
}
/** function to read data from a file and excluding certain stuff like
* the version lines
* @param fp - file pointer of file to read
* @param except - what to exclude
* @return Pointer to the allocated memory for the data, NULL on any error.
*/
static char*
usb_ReadOtherLines( FILE *fp, char *except )
{
char tmp[1024];
char *ptr, *ptr_base;
int ignore;
int len;
if( 0 != fseek( fp, 0L, SEEK_END))
return NULL;
len = ftell(fp);
/* rewind file pointer */
if( 0 != fseek( fp, 0L, SEEK_SET))
return NULL;
if( len == 0 )
return NULL;
ptr = (char*)malloc(len);
if( NULL == ptr )
return NULL;
ptr_base = ptr;
*ptr = '\0';
ignore = 0;
/* roam through the file and examine each line... */
while( !feof( fp )) {
if( NULL != fgets( tmp, 1024, fp )) {
/* we ignore the version line... */
if( 0 == strncmp( tmp, "version=", 8 ))
continue;
if( !ignore ) {
if(0 != strncmp(tmp, except, strlen(except))) {
if( strlen( tmp ) > 0 ) {
strcpy( ptr, tmp );
ptr += strlen(tmp);
*ptr = '\0';
}
} else {
ignore = 1;
}
}
/* newline in tmp string resets ignore flag */
if( strrchr(tmp, '\n')) {
ignore = 0;
}
}
}
return ptr_base;
}
/**
*/
static SANE_Bool
usb_ReadSamples( FILE *fp, char *which, u_long *dim, u_short *buffer )
{
char *p, *next, *rb;
char tmp[1024+30];
int ignore, diml, c;
u_long val;
/* rewind file pointer */
if( 0 != fseek( fp, 0L, SEEK_SET))
return SANE_FALSE;
ignore = 0;
diml = 0;
c = 0;
rb = tmp;
*dim = 0;
/* roam through the file and examine each line... */
while( !feof( fp )) {
if( NULL != fgets( rb, 1024, fp )) {
/* we ignore the version line... */
if( 0 == strncmp( tmp, "version=", 8 ))
continue;
p = tmp;
if( !ignore && diml == 0) {
if(0 == strncmp(tmp, which, strlen(which))) {
/* get dimension */
diml = strtol(&tmp[strlen(which)], NULL, 10);
p = strchr( &tmp[strlen(which)], ':' );
p++;
} else {
ignore = 1;
}
}
/* parse the values... */
if( !ignore ) {
rb = tmp;
while( *p ) {
val = strtoul( p, &next, 10 );
/* check for error condition */
if( val == 0 ) {
if( p == next ) {
if( c+1 == diml ) {
*dim = diml;
return SANE_TRUE;
}
break;
}
}
buffer[c] = (u_short)val;
/* more values? */
if( *next == ',') {
p = next+1;
c++;
} else {
p = next;
}
/* reached the end? */
if( *next == '\0' ) {
/* we probably have only parsed a part of a value
* so we copy that back to the input buffer and
* parse it the next time...
*/
if( c < diml ) {
sprintf( tmp, "%u", buffer[c] );
rb = &tmp[strlen(tmp)];
}
}
}
}
/* newline in tmp string resets ignore flag */
if( strrchr(tmp, '\n')) {
ignore = 0;
}
}
}
return SANE_FALSE;
}
/**
*/
static void
usb_RestoreCalData( Plustek_Device *dev, CalData *cal )
{
HWDef *hw = &dev->usbDev.HwSetting;
u_char *regs = dev->usbDev.a_bRegs;
regs[0x3b] = (u_char)cal->red_gain;
regs[0x3c] = (u_char)cal->green_gain;
regs[0x3d] = (u_char)cal->blue_gain;
regs[0x38] = (u_char)cal->red_offs;
regs[0x39] = (u_char)cal->green_offs;
regs[0x3a] = (u_char)cal->blue_offs;
regs[0x2a] = _HIBYTE((u_short)cal->light.green_pwm_duty);
regs[0x2b] = _LOBYTE((u_short)cal->light.green_pwm_duty);
regs[0x2c] = _HIBYTE((u_short)cal->light.red_light_on);
regs[0x2d] = _LOBYTE((u_short)cal->light.red_light_on);
regs[0x2e] = _HIBYTE((u_short)cal->light.red_light_off);
regs[0x2f] = _LOBYTE((u_short)cal->light.red_light_off);
regs[0x30] = _HIBYTE((u_short)cal->light.green_light_on);
regs[0x31] = _LOBYTE((u_short)cal->light.green_light_on);
regs[0x32] = _HIBYTE((u_short)cal->light.green_light_off);
regs[0x33] = _LOBYTE((u_short)cal->light.green_light_off);
regs[0x34] = _HIBYTE((u_short)cal->light.blue_light_on);
regs[0x35] = _LOBYTE((u_short)cal->light.blue_light_on);
regs[0x36] = _HIBYTE((u_short)cal->light.blue_light_off);
regs[0x37] = _LOBYTE((u_short)cal->light.blue_light_off);
hw->red_lamp_on = (u_short)cal->light.red_light_on;
hw->red_lamp_off = (u_short)cal->light.red_light_off;
hw->green_lamp_on = (u_short)cal->light.green_light_on;
hw->green_lamp_off = (u_short)cal->light.green_light_off;
hw->blue_lamp_on = (u_short)cal->light.blue_light_on;
hw->blue_lamp_off = (u_short)cal->light.blue_light_off;
}
/**
*/
static void
usb_CreatePrefix( Plustek_Device *dev, char *pfx, SANE_Bool add_bitdepth )
{
char bd[5];
ScanDef *scanning = &dev->scanning;
ScanParam *param = &scanning->sParam;
switch( scanning->sParam.bSource ) {
case SOURCE_Transparency: strcpy( pfx, "tpa-" ); break;
case SOURCE_Negative: strcpy( pfx, "neg-" ); break;
case SOURCE_ADF: strcpy( pfx, "adf-" ); break;
default: pfx[0] = '\0'; break;
}
sprintf( bd, "%u=", param->bBitDepth );
if( param->bDataType == SCANDATATYPE_Color )
strcat( pfx, "color" );
else
strcat( pfx, "gray" );
if( add_bitdepth )
strcat( pfx, bd );
}
/** function to read and set the calibration data from external file
*/
static SANE_Bool
usb_ReadAndSetCalData( Plustek_Device *dev )
{
char pfx[20];
char tmp[1024];
u_short version;
int res;
FILE *fp;
CalData cal;
SANE_Bool ret;
DBG( _DBG_INFO, "usb_ReadAndSetCalData()\n" );
if( usb_InCalibrationMode(dev)) {
DBG( _DBG_INFO, "- we are in calibration mode!\n" );
return SANE_FALSE;
}
if( NULL == dev->calFile ) {
DBG( _DBG_ERROR, "- No calibration filename set!\n" );
return SANE_FALSE;
}
sprintf( tmp, "%s-coarse.cal", dev->calFile );
DBG( _DBG_INFO, "- Reading coarse calibration data from file\n");
DBG( _DBG_INFO, " %s\n", tmp );
fp = fopen( tmp, "r" );
if( NULL == fp ) {
DBG( _DBG_ERROR, "File %s not found\n", tmp );
return SANE_FALSE;
}
/* check version */
if( !usb_ReadSpecLine( fp, "version=", tmp )) {
DBG( _DBG_ERROR, "Could not find version info!\n" );
fclose( fp );
return SANE_FALSE;
}
DBG( _DBG_INFO, "- Calibration file version: %s\n", tmp );
if( 1 != sscanf( tmp, "0x%04hx", &version )) {
DBG( _DBG_ERROR, "Could not decode version info!\n" );
fclose( fp );
return SANE_FALSE;
}
if( version != _PT_CF_VERSION ) {
DBG( _DBG_ERROR, "Versions do not match!\n" );
fclose( fp );
return SANE_FALSE;
}
usb_CreatePrefix( dev, pfx, SANE_TRUE );
ret = SANE_FALSE;
if( usb_ReadSpecLine( fp, pfx, tmp )) {
DBG( _DBG_INFO, "- Calibration data: %s\n", tmp );
res = sscanf( tmp, "%hu,%hu,%hu,%hu,%hu,%hu,"
"%lu,%lu,%lu,%lu,%lu,%lu,%lu\n",
&cal.red_gain, &cal.red_offs,
&cal.green_gain, &cal.green_offs,
&cal.blue_gain, &cal.blue_offs,
&cal.light.red_light_on, &cal.light.red_light_off,
&cal.light.green_light_on, &cal.light.green_light_off,
&cal.light.blue_light_on, &cal.light.blue_light_off,
&cal.light.green_pwm_duty );
if( 13 == res ) {
usb_RestoreCalData( dev, &cal );
ret = SANE_TRUE;
} else {
DBG( _DBG_ERROR, "Error reading coarse-calibration data, only "
"%d elements available!\n", res );
}
} else {
DBG( _DBG_ERROR, "Error reading coarse-calibration data for "
"PFX: >%s<!\n", pfx );
}
fclose( fp );
DBG( _DBG_INFO, "usb_ReadAndSetCalData() done -> %u\n", ret );
return ret;
}
/**
*/
static void
usb_PrepCalData( Plustek_Device *dev, CalData *cal )
{
u_char *regs = dev->usbDev.a_bRegs;
memset( cal, 0, sizeof(CalData));
cal->version = _PT_CF_VERSION;
cal->red_gain = (u_short)regs[0x3b];
cal->green_gain = (u_short)regs[0x3c];
cal->blue_gain = (u_short)regs[0x3d];
cal->red_offs = (u_short)regs[0x38];
cal->green_offs = (u_short)regs[0x39];
cal->blue_offs = (u_short)regs[0x3a];
cal->light.green_pwm_duty = regs[0x2a] * 256 + regs[0x2b];
cal->light.red_light_on = regs[0x2c] * 256 + regs[0x2d];
cal->light.red_light_off = regs[0x2e] * 256 + regs[0x2f];
cal->light.green_light_on = regs[0x30] * 256 + regs[0x31];
cal->light.green_light_off = regs[0x32] * 256 + regs[0x33];
cal->light.blue_light_on = regs[0x34] * 256 + regs[0x35];
cal->light.blue_light_off = regs[0x36] * 256 + regs[0x37];
}
/** function to save/update the calibration data
*/
static void
usb_SaveCalData( Plustek_Device *dev )
{
char pfx[20];
char fn[1024];
char tmp[1024];
char set_tmp[1024];
char *other_tmp;
u_short version;
FILE *fp;
CalData cal;
ScanDef *scanning = &dev->scanning;
DBG( _DBG_INFO, "usb_SaveCalData()\n" );
/* no new data, so skip this step too */
if( SANE_TRUE == scanning->skipCoarseCalib ) {
DBG( _DBG_INFO, "- No calibration data to save!\n" );
return;
}
if( NULL == dev->calFile ) {
DBG( _DBG_ERROR, "- No calibration filename set!\n" );
return;
}
sprintf( fn, "%s-coarse.cal", dev->calFile );
DBG( _DBG_INFO, "- Saving coarse calibration data to file\n" );
DBG( _DBG_INFO, " %s\n", fn );
usb_PrepCalData ( dev, &cal );
usb_CreatePrefix( dev, pfx, SANE_TRUE );
DBG( _DBG_INFO2, "- PFX: >%s<\n", pfx );
sprintf( set_tmp, "%s%u,%u,%u,%u,%u,%u,"
"%lu,%lu,%lu,%lu,%lu,%lu,%lu\n", pfx,
cal.red_gain, cal.red_offs,
cal.green_gain, cal.green_offs,
cal.blue_gain, cal.blue_offs,
cal.light.red_light_on, cal.light.red_light_off,
cal.light.green_light_on, cal.light.green_light_off,
cal.light.blue_light_on, cal.light.blue_light_off,
cal.light.green_pwm_duty );
/* read complete old file if compatible... */
other_tmp = NULL;
fp = fopen( fn, "r+" );
if( NULL != fp ) {
if( usb_ReadSpecLine( fp, "version=", tmp )) {
DBG( _DBG_INFO, "- Calibration file version: %s\n", tmp );
if( 1 == sscanf( tmp, "0x%04hx", &version )) {
if( version == cal.version ) {
DBG( _DBG_INFO, "- Versions do match\n" );
/* read the rest... */
other_tmp = usb_ReadOtherLines( fp, pfx );
} else {
DBG( _DBG_INFO2, "- Versions do not match (0x%04x)\n", version );
}
} else {
DBG( _DBG_INFO2, "- cannot decode version\n" );
}
} else {
DBG( _DBG_INFO2, "- Version not found\n" );
}
fclose( fp );
}
fp = fopen( fn, "w+" );
if( NULL == fp ) {
DBG( _DBG_ERROR, "- Cannot create file %s\n", fn );
DBG( _DBG_ERROR, "- -> %s\n", strerror(errno));
if( other_tmp )
free( other_tmp );
return;
}
/* rewrite the file again... */
fprintf( fp, "version=0x%04X\n", cal.version );
if( strlen( set_tmp ))
fprintf( fp, "%s", set_tmp );
if( other_tmp ) {
fprintf( fp, "%s", other_tmp );
free( other_tmp );
}
fclose( fp );
DBG( _DBG_INFO, "usb_SaveCalData() done.\n" );
}
/**
*/
static void
usb_SaveFineCalData( Plustek_Device *dev, int dpi,
u_short *dark, u_short *white, u_long vals )
{
char pfx[30];
char fn[1024];
char tmp[1024];
char *other_tmp;
u_short version;
u_long i;
FILE *fp;
if( NULL == dev->calFile ) {
DBG( _DBG_ERROR, "- No calibration filename set!\n" );
return;
}
sprintf( fn, "%s-fine.cal", dev->calFile );
DBG( _DBG_INFO, "- Saving fine calibration data to file\n" );
DBG( _DBG_INFO, " %s\n", fn );
usb_CreatePrefix( dev, pfx, SANE_FALSE );
sprintf( tmp, "%s:%u", pfx, dpi );
strcpy( pfx, tmp );
DBG( _DBG_INFO2, "- PFX: >%s<\n", pfx );
/* read complete old file if compatible... */
other_tmp = NULL;
fp = fopen( fn, "r+" );
if( NULL != fp ) {
if( usb_ReadSpecLine( fp, "version=", tmp )) {
DBG( _DBG_INFO, "- Calibration file version: %s\n", tmp );
if( 1 == sscanf( tmp, "0x%04hx", &version )) {
if( version == _PT_CF_VERSION ) {
DBG( _DBG_INFO, "- Versions do match\n" );
/* read the rest... */
other_tmp = usb_ReadOtherLines( fp, pfx );
} else {
DBG( _DBG_INFO2, "- Versions do not match (0x%04x)\n", version );
}
} else {
DBG( _DBG_INFO2, "- cannot decode version\n" );
}
} else {
DBG( _DBG_INFO2, "- Version not found\n" );
}
fclose( fp );
}
fp = fopen( fn, "w+" );
if( NULL == fp ) {
DBG( _DBG_ERROR, "- Cannot create file %s\n", fn );
return;
}
/* rewrite the file again... */
fprintf( fp, "version=0x%04X\n", _PT_CF_VERSION );
if( other_tmp ) {
fprintf( fp, "%s", other_tmp );
free( other_tmp );
}
fprintf( fp, "%s:dark:dim=%lu:", pfx, vals );
for( i=0; i<vals-1; i++ )
fprintf( fp, "%u,", dark[i]);
fprintf( fp, "%u\n", dark[vals-1]);
fprintf( fp, "%s:white:dim=%lu:", pfx, vals );
for( i=0; i<vals-1; i++ )
fprintf( fp, "%u,", white[i]);
fprintf( fp, "%u\n", white[vals-1]);
fclose( fp );
}
/** function to read and set the calibration data from external file
*/
static SANE_Bool
usb_ReadFineCalData( Plustek_Device *dev, int dpi,
u_long *dim_d, u_short *dark,
u_long *dim_w, u_short *white )
{
char pfx[30];
char tmp[1024];
u_short version;
FILE *fp;
DBG( _DBG_INFO, "usb_ReadFineCalData()\n" );
if( usb_InCalibrationMode(dev)) {
DBG( _DBG_INFO, "- we are in calibration mode!\n" );
return SANE_FALSE;
}
if( NULL == dev->calFile ) {
DBG( _DBG_ERROR, "- No calibration filename set!\n" );
return SANE_FALSE;
}
sprintf( tmp, "%s-fine.cal", dev->calFile );
DBG( _DBG_INFO, "- Reading fine calibration data from file\n");
DBG( _DBG_INFO, " %s\n", tmp );
*dim_d = *dim_w = 0;
fp = fopen( tmp, "r" );
if( NULL == fp ) {
DBG( _DBG_ERROR, "File %s not found\n", tmp );
return SANE_FALSE;
}
/* check version */
if( !usb_ReadSpecLine( fp, "version=", tmp )) {
DBG( _DBG_ERROR, "Could not find version info!\n" );
fclose( fp );
return SANE_FALSE;
}
DBG( _DBG_INFO, "- Calibration file version: %s\n", tmp );
if( 1 != sscanf( tmp, "0x%04hx", &version )) {
DBG( _DBG_ERROR, "Could not decode version info!\n" );
fclose( fp );
return SANE_FALSE;
}
if( version != _PT_CF_VERSION ) {
DBG( _DBG_ERROR, "Versions do not match!\n" );
fclose( fp );
return SANE_FALSE;
}
usb_CreatePrefix( dev, pfx, SANE_FALSE );
sprintf( tmp, "%s:%u:%s:dim=", pfx, dpi, "dark" );
if( !usb_ReadSamples( fp, tmp, dim_d, dark )) {
DBG( _DBG_ERROR, "Error reading dark-calibration data!\n" );
fclose( fp );
return SANE_FALSE;
}
sprintf( tmp, "%s:%u:%s:dim=", pfx, dpi, "white" );
if( !usb_ReadSamples( fp, tmp, dim_w, white )) {
DBG( _DBG_ERROR, "Error reading white-calibration data!\n" );
fclose( fp );
return SANE_FALSE;
}
fclose( fp );
return SANE_TRUE;
}
/**
*/
static void
usb_get_shading_part(u_short *buf, u_long offs, u_long src_len, int dst_len)
{
u_short *p_src, *p_dst;
int i, j;
if (src_len == 0 || dst_len == 0)
return;
p_dst = buf;
for (i=0; i<3; i++) {
p_src = buf + src_len * i + offs;
for (j=0; j<dst_len; j++) {
*(p_dst++) = *(p_src++);
}
}
}
/** function to read the fine calibration results from file
* and to set the correct part of the calibration buffers for
* storing in the device
* @param dev - the almigthy device structure
* @returns SANE_FALSE when the reading fails or SANE_TRUE on success
*/
static SANE_Bool
usb_FineShadingFromFile( Plustek_Device *dev )
{
ScanDef *scan = &dev->scanning;
ScanParam *sp = &scan->sParam;
u_short xdpi;
u_long dim_w, dim_d, offs;
xdpi = usb_SetAsicDpiX( dev, sp->UserDpi.x );
if( !usb_ReadFineCalData( dev, xdpi, &dim_d, a_wDarkShading,
&dim_w, a_wWhiteShading)) {
return SANE_FALSE;
}
/* now we need to get the correct part of the line... */
dim_d /= 3;
dim_w /= 3;
offs = ((u_long)sp->Origin.x * xdpi) / 300;
usb_GetPhyPixels( dev, sp );
DBG( _DBG_INFO2, "FINE Calibration from file:\n" );
DBG( _DBG_INFO2, "XDPI = %u\n", xdpi );
DBG( _DBG_INFO2, "Dim = %lu\n", dim_d );
DBG( _DBG_INFO2, "Pixels = %lu\n", sp->Size.dwPixels );
DBG( _DBG_INFO2, "PhyPixels = %lu\n", sp->Size.dwPhyPixels );
DBG( _DBG_INFO2, "Origin.X = %u\n", sp->Origin.x );
DBG( _DBG_INFO2, "Offset = %lu\n", offs );
usb_get_shading_part(a_wDarkShading, offs, dim_d, sp->Size.dwPhyPixels);
usb_get_shading_part(a_wWhiteShading, offs, dim_w, sp->Size.dwPhyPixels);
return SANE_TRUE;
}
/** function to save the fine calibration results and to set the correct part
* of the calibration buffers for storing in the device
* @param dev - the almigthy device structure
* @param tmp_sp - intermediate scan parameter
*/
static void
usb_SaveCalSetShading( Plustek_Device *dev, ScanParam *tmp_sp )
{
ScanParam *sp = &dev->scanning.sParam;
u_short xdpi;
u_long offs;
if( !dev->adj.cacheCalData )
return;
/* save the values */
xdpi = usb_SetAsicDpiX( dev, tmp_sp->UserDpi.x );
usb_SaveFineCalData( dev, xdpi, a_wDarkShading,
a_wWhiteShading, tmp_sp->Size.dwPixels*3 );
/* now we need to get the correct part of the line... */
xdpi = usb_SetAsicDpiX( dev, sp->UserDpi.x );
offs = ((u_long)sp->Origin.x * xdpi) / 300;
usb_GetPhyPixels( dev, sp );
DBG( _DBG_INFO2, "FINE Calibration area after saving:\n" );
DBG( _DBG_INFO2, "XDPI = %u\n", xdpi );
DBG( _DBG_INFO2, "Dim = %lu\n", tmp_sp->Size.dwPixels );
DBG( _DBG_INFO2, "Pixels = %lu\n", sp->Size.dwPixels );
DBG( _DBG_INFO2, "PhyPixels = %lu\n", sp->Size.dwPhyPixels );
DBG( _DBG_INFO2, "Origin.X = %u\n", sp->Origin.x );
DBG( _DBG_INFO2, "Offset = %lu\n", offs );
if (!usb_InCalibrationMode(dev)) {
usb_get_shading_part( a_wDarkShading, offs,
tmp_sp->Size.dwPixels, sp->Size.dwPhyPixels );
usb_get_shading_part( a_wWhiteShading, offs,
tmp_sp->Size.dwPixels, sp->Size.dwPhyPixels );
memcpy( tmp_sp, sp, sizeof(ScanParam));
tmp_sp->bBitDepth = 16;
usb_GetPhyPixels( dev, tmp_sp );
}
}
/* END PLUSTEK-USBCALFILE.C .................................................*/
Reference in New Issue View Git Blame Kopiuj bezpośredni odnośnik