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improve linesel computing

merge-requests/1/head
Stphane Voltz 2013-07-17 21:49:12 +02:00
rodzic 1c3ec28ab8
commit c9a4cbe7a1
1 zmienionych plików z 15 dodań i 24 usunięć
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45
backend/genesys_gl124.c
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@ -963,6 +963,7 @@ gl124_init_motor_regs_scan (Genesys_Device * dev,
Genesys_Register_Set *r;
uint32_t z1, z2;
float yres;
int min_speed;
unsigned int linesel;
DBGSTART;
@ -978,29 +979,30 @@ gl124_init_motor_regs_scan (Genesys_Device * dev,
use_fast_fed=0;
factor=1;
if(dev->line_interp>0)
/* enforce motor minimal scan speed
* @TODO extend motor struct for this value */
if (scan_mode == SCAN_MODE_COLOR)
{
lincnt=scan_lines*(dev->line_interp+1);
min_speed = 900;
}
else
{
lincnt=scan_lines;
min_speed = 600;
}
if(scan_yres<min_speed)
{
yres=min_speed;
linesel=yres/scan_yres-1;
}
else
{
yres=scan_yres;
linesel=0;
}
/* enforce motor minimal scan speed */
yres=scan_yres;
if ((scan_mode == SCAN_MODE_COLOR) && (yres<900))
{
yres=900;
}
if ((scan_mode != SCAN_MODE_COLOR) && (yres<300))
{
yres=300;
}
linesel=dev->line_interp;
dev->line_interp=0;
DBG (DBG_io2, "%s: linesel=%d\n", __FUNCTION__, linesel);
lincnt=scan_lines*(linesel+1);
sanei_genesys_set_triple(reg,REG_LINCNT,lincnt);
DBG (DBG_io, "%s: lincnt=%d\n", __FUNCTION__, lincnt);
@ -1423,18 +1425,7 @@ gl124_init_optical_regs_scan (Genesys_Device * dev,
dev->dist = dev->bpl/segnb;
dev->segnb = segnb;
dev->line_count = 0;
if(dpiset>=300)
{
dev->line_interp = 0;
}
else
{
/* line interpolation, we are scanning at higher
* motor dpi then discard lines to match target
* resolution, so lincnt has to be updated
*/
dev->line_interp = 300/dpiset-1;
}
dev->line_interp = 0;
DBG (DBG_io2, "%s: used_pixels =%d\n", __FUNCTION__, used_pixels);
DBG (DBG_io2, "%s: pixels =%d\n", __FUNCTION__, pixels);