kopia lustrzana https://gitlab.com/sane-project/backends
1 bit B/W lineart for CIS scanners with c=1
update ChangeLog for previous 1 bit B/W lineart commitmerge-requests/1/head
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ChangeLog
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ChangeLog
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@ -1,12 +1,12 @@
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2012-02-06 Rolf Bensch <rolf at bensch hyphen online dot de>
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* backend/pixma_mp150, doc/descriptions/pixma.desc, doc/sane-pixma.man:
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New scanner Canon PIXMA MX360.
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2012-02-03 Rolf Bensch <rolf at bensch hyphen online dot de>
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2012-02-09 Rolf Bensch <rolf at bensch hyphen online dot de>
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* backend/pixma.[ch], backend/pixma_common.[ch],
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backend/pixma_sane_options.[ch], backend/pixma_mp{150,810}.c:
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1 bit B/W lineart for pixma_mp150 and pixma_810 subdrivers.
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2012-02-06 Rolf Bensch <rolf at bensch hyphen online dot de>
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* backend/pixma_mp150, doc/descriptions/pixma.desc, doc/sane-pixma.man:
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New scanner Canon PIXMA MX360.
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2012-02-03 Rolf Bensch <rolf at bensch hyphen online dot de>
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* backend/pixma.h: set PIXMA_VERSION_{MAJOR,MINOR,BUILD} to 0.16.3.
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@ -343,7 +343,9 @@ pixma_rgb_to_gray (uint8_t * gptr, uint8_t * sptr, unsigned w, unsigned c)
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* @param dst pointer where to store result
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* @param src pointer to raw data
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* @param width width of the processed line
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* @param c 3 for 3-channel single-byte data, 6 for double-byte data
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* @param c 1 for 1-channel single-byte data,
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* 3 for 3-channel single-byte data,
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* 6 for double-byte data
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* */
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uint8_t *
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pixma_binarize_line(pixma_scan_param_t * sp, uint8_t * dst, uint8_t * src, unsigned width, unsigned c)
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@ -364,7 +366,8 @@ pixma_binarize_line(pixma_scan_param_t * sp, uint8_t * dst, uint8_t * src, unsig
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}
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/* first, color convert to grayscale */
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pixma_rgb_to_gray(dst, src, width, c);
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if (c != 1)
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pixma_rgb_to_gray(dst, src, width, c);
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/* second, normalize line */
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min = 255;
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@ -1055,8 +1055,8 @@ post_process_image_data (pixma_t * s, pixma_imagebuf_t * ib)
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/* Crop line to selected borders */
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memmove(cptr, sptr + cx, cw);
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/* Color to Lineart convert for CCD sensor */
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if (is_ccd_lineart (s))
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/* Color / Gray to Lineart convert */
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if (s->param->software_lineart)
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cptr = gptr = pixma_binarize_line (s->param, gptr, cptr, s->param->w, c);
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/* Color to Grayscale convert for CCD sensor */
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else if (is_ccd_grayscale (s))
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