kopia lustrzana https://gitlab.com/sane-project/backends
cropping y and h to scanable area in TPU mode
for CS8800F and CS9000Fmerge-requests/1/head
rodzic
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@ -1,3 +1,7 @@
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2012-04-04 Rolf Bensch <rolf at bensch hyphen online dot de>
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* backend/pixma_mp810.c: cropping y and h to scanable area in TPU mode,
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for CS8800F and CS9000F.
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2012-03-29 Stéphane Voltz <stef.dev@free.fr>
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* backend/genesys_gl124.c backend/genesys_devices.c: use feed earlier
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at high resolution. Tune LiDE 110/210 geometry.
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@ -1571,21 +1571,35 @@ mp810_check_param (pixma_t * s, pixma_scan_param_t * sp)
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if (sp->source == PIXMA_SOURCE_TPU && !sp->tpu_offset_added)
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{
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unsigned fixed_offset_y; /* TPU offsets for CanoScan 8800F, or other CCD at 300dpi. */
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unsigned max_y; /* max TPU height for CS9000F at 75 dpi */
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/* CanoScan 8800F and others adding an offset depending on resolution */
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/* CS9000F and others maximum TPU height */
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switch (s->cfg->pid)
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{
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case CS8800F_PID:
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fixed_offset_y = 140;
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max_y = MIN (740, s->cfg->height);
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break;
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case CS9000F_PID:
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fixed_offset_y = 146;
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max_y = MIN (740, s->cfg->height);
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break;
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default:
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fixed_offset_y = 0;
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max_y = s->cfg->height;
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break;
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}
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/* cropping y and h to scanable area */
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max_y *= (sp->ydpi) / 75;
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sp->y = MIN(sp->y, max_y);
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sp->h = MIN(sp->h, max_y - sp->y);
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/* PDBG (pixma_dbg (4, "*mp810_check_param***** Cropping: y=%u, h=%u *****\n",
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sp->y, sp->h)); */
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if (!sp->h)
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return SANE_STATUS_INVAL; /* no lines */
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/* Convert the offsets from 300dpi to actual resolution */
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fixed_offset_y = fixed_offset_y*(sp->xdpi)/300;
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