diff options
Diffstat (limited to 'backend/plustek-usbmap.c')
| -rw-r--r-- | backend/plustek-usbmap.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/backend/plustek-usbmap.c b/backend/plustek-usbmap.c index 1e54789..c979345 100644 --- a/backend/plustek-usbmap.c +++ b/backend/plustek-usbmap.c @@ -75,7 +75,7 @@ static void usb_MapAdjust( Plustek_Device *dev ) { int i, tabLen; double b, c, tmp; - + tabLen = _MAP_SIZE; /* adjust brightness (b) and contrast (c) using the function: @@ -125,11 +125,11 @@ static SANE_Bool usb_MapDownload( Plustek_Device *dev ) int i, threshold; SANE_Byte value; SANE_Bool fInverse = 0; - + DBG( _DBG_INFO, "usb_MapDownload()\n" ); /* the maps are have been already set */ - + /* do the brightness and contrast adjustment ... */ if( scanning->sParam.bDataType != SCANDATATYPE_BW ) usb_MapAdjust( dev ); @@ -141,7 +141,7 @@ static SANE_Bool usb_MapDownload( Plustek_Device *dev ) * into trouble elsewhere on CanoScan models using gray mode */ for( color = 0; color < 3; color++) { - + /* select color */ value = (color << 2)+2; @@ -161,13 +161,13 @@ static SANE_Bool usb_MapDownload( Plustek_Device *dev ) threshold = 0; if(threshold > (int)_MAP_SIZE) threshold = _MAP_SIZE; - + DBG(_DBG_INFO, "* Threshold is at %u brightness=%i\n", threshold, scanning->sParam.brightness ); for(i = 0; i < threshold; i++) a_bMap[color*_MAP_SIZE + i] = 0; - + for(i = threshold; i < _MAP_SIZE; i++) a_bMap[color*_MAP_SIZE + i] = 255; @@ -184,23 +184,23 @@ static SANE_Bool usb_MapDownload( Plustek_Device *dev ) } if( fInverse ) { - + u_char map[_MAP_SIZE]; u_char *pMap = a_bMap+color*_MAP_SIZE; - + DBG( _DBG_INFO, "* Inverting Map\n" ); - + for( i = 0; i < _MAP_SIZE; i++, pMap++ ) map[i] = ~*pMap; - + sanei_lm983x_write( dev->fd, 0x06, map, _MAP_SIZE, SANE_FALSE ); - + } else { DBG( _DBG_INFO, "* downloading map %u...\n", color ); sanei_lm983x_write( dev->fd, 0x06, a_bMap+color*_MAP_SIZE, _MAP_SIZE, SANE_FALSE ); } - + } /* for each color */ DBG( _DBG_INFO, "usb_MapDownload() done.\n" ); |