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pixma: don't change resolution or mode when changing source 

If currently selected resolution and mode are still valid when changing
source then retain the selected value rather than picking defaults.
666-epsonds-has-issues-with-saned
Ralph Little 2023-03-07 22:10:54 -08:00
rodzic 596f708c96
commit 59885e039e
1 zmienionych plików z 39 dodań i 9 usunięć
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48
backend/pixma/pixma.c
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@ -851,18 +851,48 @@ control_option (pixma_sane_t * ss, SANE_Int n,
case opt_source:
if ((cfg->cap & (PIXMA_CAP_ADF|PIXMA_CAP_ADFDUP|PIXMA_CAP_TPU))
&& (a == SANE_ACTION_SET_VALUE || a == SANE_ACTION_SET_AUTO))
{ /* new source selected: flatbed, ADF, TPU, ... */
/* to avoid fatal errors,
* select first entry of dynamic mode_list
* identifiers are unknown here */
OVAL (opt_mode).w = ss->mode_map[0];
{
/* new source selected: flatbed, ADF, TPU, ... */
pixma_scan_mode_t curr_mode = ss->mode_map[OVAL (opt_mode).w];
SANE_Word curr_res = OVAL (opt_resolution).w;
/* recreate dynamic lists */
create_mode_list (ss);
create_dpi_list (ss);
/* to avoid fatal errors,
* select first entry of dynamic dpi_list
* identifiers are unknown here */
OVAL (opt_resolution).w = ss->dpi_list[1];
/*
* Check to see if the mode and res are still valid.
* Replace with default mode or closest res if not.
*
*/
for (SANE_Int mode_idx = 0;; mode_idx++)
{
if (!ss->mode_list[mode_idx])
{
OVAL (opt_mode).w = 0;
break;
}
if (curr_mode == ss->mode_map[mode_idx])
{
OVAL (opt_mode).w = mode_idx;
break;
}
}
for (SANE_Int res_idx = 1;; res_idx++)
{
if (res_idx > ss->dpi_list[0])
{
OVAL (opt_resolution).w = ss->dpi_list[1];
break;
}
if (ss->dpi_list[res_idx] >= curr_res)
{
OVAL (opt_resolution).w = ss->dpi_list[res_idx];
break;
}
}
if (ss->mode_map[OVAL (opt_mode).w] == PIXMA_SCAN_MODE_LINEART)
{ /* lineart */
enable_option (ss, opt_threshold, SANE_TRUE);