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ease create_mode_list() and create_dpi_list() 

- read the settings direct from (pixma_sane_t *ss)
merge-requests/1/head
Rolf Bensch 2013-02-18 16:20:57 +01:00
rodzic 53c87a381e
commit 18c2ceb66f
1 zmienionych plików z 58 dodań i 68 usunięć
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126
backend/pixma.c
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@ -352,14 +352,16 @@ clamp_value (pixma_sane_t * ss, SANE_Int n, void *v, SANE_Int * info)
* tpu = 1: TPU mode
* 16 bit grayscale and 48 bit color scans */
static void
create_mode_list (pixma_sane_t * ss, SANE_Bool tpu)
create_mode_list (pixma_sane_t * ss)
{
SANE_Bool tpu;
const pixma_config_t *cfg;
int i;
cfg = pixma_get_config (ss->s);
tpu = (ss->source_map[OVAL (opt_source).w] == PIXMA_SOURCE_TPU);
/* setup available mode. */
/* setup available mode */
i = 0;
ss->mode_list[i] = SANE_VALUE_SCAN_MODE_COLOR;
ss->mode_map[i] = PIXMA_SCAN_MODE_COLOR;
@ -406,56 +408,63 @@ create_mode_list (pixma_sane_t * ss, SANE_Bool tpu)
}
/* create dynamic dpi_list
* ss: scanner device
* ext = 0: min = 75 dpi; max = cfg->xdpi
* ext = 1: use settings for ADF/TPU
* overrides hires
* cfg->adftpu_min_dpi and cfg->adftpu_max_dpi not set: min = 75 dpi; max = cfg->xdpi
* only cfg->adftpu_min_dpi set: min = cfg->adftpu_min_dpi; max = cfg->xdpi
* only cfg->adftpu_max_dpi set: min = 75 dpi; max = cfg->adftpu_max_dpi
* both cfg->adftpu_min_dpi and cfg->adftpu_max_dpi set: min = cfg->adftpu_min_dpi; cfg->adftpu_max_dpi
* hires = 0: normal usage
* hires = 1: min = 150 dpi; max = use calculation from ext */
* ss: scanner device */
static void
create_dpi_list (pixma_sane_t * ss, SANE_Bool ext, SANE_Bool hires)
create_dpi_list (pixma_sane_t * ss)
{
const pixma_config_t *cfg;
int i, j;
int min_dpi;
int min;
unsigned min_dpi;
unsigned max_dpi;
cfg = pixma_get_config (ss->s);
/* get min/max dpi */
max_dpi = cfg->xdpi;
min_dpi = 75;
if (ss->source_map[OVAL (opt_source).w] == PIXMA_SOURCE_TPU
|| ss->source_map[OVAL (opt_source).w] == PIXMA_SOURCE_ADF
|| ss->source_map[OVAL (opt_source).w] == PIXMA_SOURCE_ADFDUP)
{ /* ADF / TPU mode */
/*PDBG (pixma_dbg (4, "*create_dpi_list***** ADF/TPU mode\n"));*/
min_dpi = (cfg->adftpu_min_dpi) ? cfg->adftpu_min_dpi : 75;
max_dpi = (cfg->adftpu_max_dpi) ? cfg->adftpu_max_dpi : cfg->xdpi;
}
else if (ss->source_map[OVAL (opt_source).w] == PIXMA_SOURCE_FLATBED
&& (ss->mode_map[OVAL (opt_mode).w] == PIXMA_SCAN_MODE_COLOR_48
|| ss->mode_map[OVAL (opt_mode).w] == PIXMA_SCAN_MODE_GRAY_16))
{ /* 48 bits flatbed */
/*PDBG (pixma_dbg (4, "*create_dpi_list***** 48 bits flatbed mode\n"));*/
min_dpi = 150;
}
/* set j for min. dpi
* 75 dpi: j = 0
* 150 dpi: j = 1 \
* 300 dpi: j = 2 |--> from cfg->adftpu_min_dpi for ADF/TPU
* ... /
* 300 dpi: j = 2 |--> from cfg->adftpu_min_dpi or cfg->tpuir_min_dpi
* 600 dpi: j = 3 /
* */
j = (hires ? 1 : 0);
if (ext && cfg->adftpu_min_dpi)
{
j = -1;
min_dpi = cfg->adftpu_min_dpi / 75;
do
{
j++;
min_dpi >>= 1;
}
while (min_dpi > 0);
}
j = -1;
min = min_dpi / 75;
do
{
j++;
min >>= 1;
}
while (min > 0);
/* create dpi_list
* use j for min. dpi
* max. dpi is cfg->xdpi or cfg->adftpu_max_dpi for ADF/TPU */
* use j for min. dpi */
i = 0;
do
{
i++; j++;
ss->dpi_list[i] = 75 * (1 << (j - 1)); /* 75 x 2^(j-1) */
}
while ((unsigned) ss->dpi_list[i] != ((ext && cfg->adftpu_max_dpi) ? cfg->adftpu_max_dpi
: cfg->xdpi));
while ((unsigned) ss->dpi_list[i] < max_dpi);
ss->dpi_list[0] = i;
/*PDBG (pixma_dbg (4, "*create_dpi_list***** min_dpi = %d, max_dpi = %d\n", min_dpi, max_dpi));*/
}
static void
@ -713,18 +722,13 @@ control_option (pixma_sane_t * ss, SANE_Int n,
}
break;
case opt_mode:
if ((cfg->cap & (PIXMA_CAP_LINEART))
if (cfg->cap & (PIXMA_CAP_48BIT|PIXMA_CAP_LINEART)
&& (a == SANE_ACTION_SET_VALUE || a == SANE_ACTION_SET_AUTO))
{ /* new mode selected: Color, Gray, ... */
/* PDBG (pixma_dbg (4, "*control_option***** mode = %u *\n",
ss->mode_map[OVAL (opt_mode).w])); */
if (ss->source_map[OVAL (opt_source).w] != PIXMA_SOURCE_TPU)
{ /* ADF or flatbed*/
/* recreate dynamic dpi_list */
create_dpi_list (ss, SANE_FALSE,
(ss->mode_map[OVAL (opt_mode).w] == PIXMA_SCAN_MODE_COLOR_48
|| ss->mode_map[OVAL (opt_mode).w] == PIXMA_SCAN_MODE_GRAY_16));
}
/* recreate dynamic lists */
create_dpi_list (ss);
if (ss->mode_map[OVAL (opt_mode).w] == PIXMA_SCAN_MODE_LINEART)
{ /* lineart */
enable_option (ss, opt_threshold, SANE_TRUE);
@ -742,25 +746,17 @@ control_option (pixma_sane_t * ss, SANE_Int n,
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];
/* recreate dynamic lists */
if (ss->source_map[OVAL (opt_source).w] == PIXMA_SOURCE_TPU)
{ /* TPU mode */
create_mode_list (ss, SANE_TRUE);
create_dpi_list (ss, SANE_TRUE, SANE_FALSE);
}
else if (ss->source_map[OVAL (opt_source).w] == PIXMA_SOURCE_ADF
|| ss->source_map[OVAL (opt_source).w] == PIXMA_SOURCE_ADFDUP)
{ /* ADF mode */
create_mode_list (ss, SANE_FALSE);
create_dpi_list (ss, SANE_TRUE, SANE_FALSE);
}
else
{ /* flatbed mode */
create_mode_list (ss, SANE_FALSE);
create_dpi_list (ss, SANE_FALSE,
(ss->mode_map[OVAL (opt_mode).w] == PIXMA_SCAN_MODE_COLOR_48
|| ss->mode_map[OVAL (opt_mode).w] == PIXMA_SCAN_MODE_GRAY_16));
}
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];
if (ss->mode_map[OVAL (opt_mode).w] == PIXMA_SCAN_MODE_LINEART)
{ /* lineart */
enable_option (ss, opt_threshold, SANE_TRUE);
@ -771,12 +767,6 @@ control_option (pixma_sane_t * ss, SANE_Int n,
enable_option (ss, opt_threshold, SANE_FALSE);
enable_option (ss, opt_threshold_curve, SANE_FALSE);
}
/* to avoid fatal errors,
* select first entry of dynamic dpi_list
* and first entry of dynamic mode_list
* identifiers are unknown here */
OVAL (opt_resolution).w = ss->dpi_list[1];
OVAL (opt_mode).w = ss->mode_map[0];
*info |= SANE_INFO_RELOAD_OPTIONS;
}
break;
@ -872,14 +862,14 @@ init_option_descriptors (pixma_sane_t * ss)
ss->yrange.max = SANE_FIX (cfg->height / 75.0 * 25.4);
ss->yrange.quant = SANE_FIX (0);
/* setup dpi up to the value supported by the scanner. */
create_dpi_list (ss, SANE_FALSE, SANE_FALSE);
/* mode_list and source_list were already NULL-terminated,
* because the whole pixma_sane_t was cleared during allocation. */
/* setup available mode. */
create_mode_list (ss, SANE_FALSE);
create_mode_list (ss);
/* setup dpi up to the value supported by the scanner. */
create_dpi_list (ss);
/* setup paper source */
i = 0;