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pixma_mp150: add comments and some debug outputs

merge-requests/231/head
Rolf Bensch 2019-11-01 19:16:14 +01:00
rodzic 5d64760f0f
commit b4cf3343bd
1 zmienionych plików z 21 dodań i 12 usunięć
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33
backend/pixma_mp150.c
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@ -975,35 +975,44 @@ post_process_image_data (pixma_t * s, pixma_imagebuf_t * ib)
return 0; /* # of non processed bytes */
}
/* process image sizes */
c = s->param->channels
* ((s->param->software_lineart) ? 8 : s->param->depth) / 8;
cw = c * s->param->w;
cx = c * s->param->xs;
* ((s->param->software_lineart) ? 8 : s->param->depth) / 8; /* color channels count */
cw = c * s->param->w; /* image width */
cx = c * s->param->xs; /* x-offset */
/* special image format parameters
* n: no. of sub-images
* m: sub-image width
*/
if (mp->generation >= 3)
n = s->param->xdpi / 600;
else
n = s->param->xdpi / 2400;
if (s->cfg->pid == MP600_PID || s->cfg->pid == MP600R_PID)
n = s->param->xdpi / 1200;
m = (n > 0) ? s->param->wx / n : 1;
sptr = dptr = gptr = cptr = mp->imgbuf;
line_size = get_cis_line_size (s);
/*PDBG (pixma_dbg (4, "*post_process_image_data***** ----- Set n=%u, m=%u, line_size=%u ----- ***** \n", n, m, line_size));*/
/* Initialize pointers */
sptr = dptr = gptr = cptr = mp->imgbuf;
/* walk through complete received lines */
line_size = get_cis_line_size (s);
lines = (mp->data_left_ofs - mp->imgbuf) / line_size;
/*PDBG (pixma_dbg (4, "*post_process_image_data***** lines = %i ***** \n", lines));*/
if (lines > 0)
{
unsigned i;
/*PDBG (pixma_dbg (4, "*post_process_image_data***** Processing with c=%u, n=%u, m=%u, wx=%i, line_size=%u, cx=%u, cw=%u ***** \n",
c, n, m, s->param->wx, line_size, cx, cw));*/
/*PDBG (pixma_dbg (4, "*post_process_image_data***** lines = %i ***** \n", lines));*/
for (i = 0; i < lines; i++, sptr += line_size)
{
/*PDBG (pixma_dbg (4, "*post_process_image_data***** Processing with c=%u, n=%u, m=%u, w=%i, line_size=%u ***** \n",
c, n, m, s->param->wx, line_size));*/
c, n, m, s->param->wx, line_size));*/
/*PDBG (pixma_dbg (4, "*post_process_image_data***** Pointers: sptr=%lx, dptr=%lx, linebuf=%lx ***** \n",
sptr, dptr, mp->linebuf));*/
/* special image format for *most* devices at high dpi.
* MP220, MX360 and generation 5 scanners are exceptions */
@ -1155,7 +1164,7 @@ mp150_check_param (pixma_t * s, pixma_scan_param_t * sp)
/*PDBG (pixma_dbg (4, "*mp150_check_param***** Selected origin, origin shift: %i, %i *****\n", sp->x, sp->xs));*/
sp->wx = calc_raw_width (mp, sp);
sp->line_size = sp->w * sp->channels * (((sp->software_lineart) ? 8 : sp->depth) / 8); /* bytes per line per color after cropping */
/*PDBG (pixma_dbg (4, "*mp150_check_param***** Final scan width and line-size: %i, %i *****\n", sp->wx, sp->line_size));*/
/*PDBG (pixma_dbg (4, "*mp150_check_param***** Final scan width and line-size: %i, %li *****\n", sp->wx, sp->line_size));*/
/* Some exceptions here for particular devices */
/* Those devices can scan up to legal 14" with ADF, but A4 11.7" in flatbed */