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- changed top of scan area detection for MD6228/MD6471 models

merge-requests/1/head
Stéphane Voltz 2008-05-23 08:55:22 +00:00
rodzic fa54852d6e
commit c97e99a430
2 zmienionych plików z 13 dodań i 18 usunięć
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4
ChangeLog
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@ -1,3 +1,7 @@
2008-05-22 Stéphane Voltz <stef.dev@free.fr>
* backend/genesys.c:
changed top of scan area detection for MD6228/MD6471 models
2008-05-23 Jonathan Bravo Lopez <jkdsoft@gmail.com> 2008-05-23 Jonathan Bravo Lopez <jkdsoft@gmail.com>
* backend/hp3900_sane.c: setting appropiate capabilities to some options. * backend/hp3900_sane.c: setting appropiate capabilities to some options.

27
backend/genesys.c
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@ -1458,7 +1458,7 @@ sanei_genesys_search_reference_point (Genesys_Device * dev, u_int8_t * data,
int height) int height)
{ {
int x, y; int x, y;
int current, left, top = 0, bottom = 0; int current, left, top = 0;
u_int8_t *image; u_int8_t *image;
int size, count; int size, count;
int level = 80; /* edge threshold level */ int level = 80; /* edge threshold level */
@ -1574,7 +1574,7 @@ sanei_genesys_search_reference_point (Genesys_Device * dev, u_int8_t * data,
/* set up detection level */ /* set up detection level */
level = level / 3; level = level / 3;
/* search top of horizontal black stripe */ /* search top of horizontal black stripe : TODO yet another flag */
if (dev->model->ccd_type == CCD_5345 if (dev->model->ccd_type == CCD_5345
&& dev->model->motor_type == MOTOR_5345) && dev->model->motor_type == MOTOR_5345)
{ {
@ -1596,25 +1596,16 @@ sanei_genesys_search_reference_point (Genesys_Device * dev, u_int8_t * data,
width, height); width, height);
top = top / count; top = top / count;
/* find bottom of black stripe */ /* bottom of black stripe is of fixed witdh, this hardcoded value
bottom = 0; * will be moved into device struct if more such values are needed */
count = 0; top += 10;
for (x = width / 2; x < width - 1; x++) dev->model->y_offset_calib = SANE_FIX ((top * MM_PER_INCH) / dpi);
{
y = top + 5;
while ((y < height) && (image[x + y * width] < level))
y++;
bottom += y;
count++;
}
bottom = bottom / count;
dev->model->y_offset_calib = SANE_FIX ((bottom * MM_PER_INCH) / dpi);
DBG (DBG_info, DBG (DBG_info,
"sanei_genesys_search_reference_point: black stripe y_offset = %f mm \n", "sanei_genesys_search_reference_point: black stripe y_offset = %f mm \n",
SANE_UNFIX (dev->model->y_offset_calib)); SANE_UNFIX (dev->model->y_offset_calib));
} }
/* find white corner in dark area */ /* find white corner in dark area : TODO yet another flag */
if ((dev->model->ccd_type == CCD_HP2300 if ((dev->model->ccd_type == CCD_HP2300
&& dev->model->motor_type == MOTOR_HP2300) && dev->model->motor_type == MOTOR_HP2300)
|| (dev->model->ccd_type == CCD_HP2400 || (dev->model->ccd_type == CCD_HP2400
@ -1639,8 +1630,8 @@ sanei_genesys_search_reference_point (Genesys_Device * dev, u_int8_t * data,
free (image); free (image);
DBG (DBG_proc, DBG (DBG_proc,
"sanei_genesys_search_reference_point: CCD_start_xoffset = %d, left = %d, top = %d, bottom=%d\n", "sanei_genesys_search_reference_point: CCD_start_xoffset = %d, left = %d, top = %d\n",
dev->sensor.CCD_start_xoffset, left, top, bottom); dev->sensor.CCD_start_xoffset, left, top);
return SANE_STATUS_GOOD; return SANE_STATUS_GOOD;
} }