diff options
Diffstat (limited to 'backend/epsonds-ops.c')
| -rw-r--r-- | backend/epsonds-ops.c | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/backend/epsonds-ops.c b/backend/epsonds-ops.c index 8b9d115..56194c4 100644 --- a/backend/epsonds-ops.c +++ b/backend/epsonds-ops.c @@ -28,10 +28,9 @@ extern struct mode_param mode_params[]; /* Define the different scan sources */ - -#define FBF_STR SANE_I18N("Flatbed") -#define TPU_STR SANE_I18N("Transparency Unit") -#define ADF_STR SANE_I18N("Automatic Document Feeder") +#define STRING_FLATBED SANE_I18N("Flatbed") +#define STRING_ADFFRONT SANE_I18N("ADF Front") +#define STRING_ADFDUPLEX SANE_I18N("ADF Duplex") extern SANE_String_Const source_list[]; @@ -53,10 +52,13 @@ eds_dev_post_init(struct epsonds_device *dev) DBG(10, "%s\n", __func__); if (dev->has_fb) - *source_list_add++ = FBF_STR; + *source_list_add++ = STRING_FLATBED; if (dev->has_adf) - *source_list_add++ = ADF_STR; + *source_list_add++ = STRING_ADFFRONT; + + if (dev->adf_is_duplex) + *source_list_add++ = STRING_ADFDUPLEX; if (source_list[0] == 0 || (dev->res_list[0] == 0 && dev->dpi_range.min == 0) @@ -209,8 +211,6 @@ eds_init_parameters(epsonds_scanner *s) memset(&s->params, 0, sizeof(SANE_Parameters)); - s->dummy = 0; - /* setup depth according to our mode table */ if (mode_params[s->val[OPT_MODE].w].depth == 1) s->params.depth = 1; @@ -314,6 +314,7 @@ eds_init_parameters(epsonds_scanner *s) return SANE_STATUS_GOOD; } +#define min(A,B) (((A)<(B)) ? (A) : (B)) void eds_copy_image_from_ring(epsonds_scanner *s, SANE_Byte *data, SANE_Int max_length, @@ -322,17 +323,13 @@ eds_copy_image_from_ring(epsonds_scanner *s, SANE_Byte *data, SANE_Int max_lengt int lines, available; int hw_line_size = (s->params.bytes_per_line + s->dummy); - /* trim max_length to a multiple of hw_line_size */ - max_length -= (max_length % hw_line_size); - - /* check available data */ available = eds_ring_avail(s->current); if (max_length > available) max_length = available; - lines = max_length / hw_line_size; + lines = min(max_length / s->params.bytes_per_line, available / hw_line_size); - DBG(18, "copying %d lines (%d, %d)\n", lines, s->params.bytes_per_line, s->dummy); + DBG(18, "copying %d lines (%d, %d, %d)\n", lines, s->params.bytes_per_line, s->dummy, s->params.depth); /* need more data? */ if (lines == 0) { @@ -490,3 +487,12 @@ void eds_ring_flush(ring_buffer *ring) { eds_ring_skip(ring, ring->fill); } + +void eds_ring_destory(ring_buffer *ring) +{ + if (ring->ring) + { + free(ring->ring); + ring->ring = NULL; + } +} |