kopia lustrzana https://gitlab.com/sane-project/backends
Fix endianness problems in gray mode
rodzic
300349a7ed
commit
02e0cf229e
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@ -1,3 +1,6 @@
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2005-03-20 Earle F. Philhower III <earle@ziplabel.com>
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* backend/sm3840_scan.c: Big-endian graymode fix
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2005-03-17 Gerard Klaver <gerard at gkall dot hobby dot nl>
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2005-03-17 Gerard Klaver <gerard at gkall dot hobby dot nl>
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* doc/descriptions-external/samsung.desc added
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* doc/descriptions-external/samsung.desc added
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@ -175,6 +175,8 @@ setup_scan (usb_dev_handle * udev, SM3840_Params * p)
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int i, j;
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int i, j;
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int red, green, blue;
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int red, green, blue;
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unsigned char rd_byte;
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unsigned char rd_byte;
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unsigned short GRAYMASK = 0xc000;
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#ifndef BACKENDNAME
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#ifndef BACKENDNAME
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char fname[64];
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char fname[64];
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@ -766,9 +768,10 @@ setup_scan (usb_dev_handle * udev, SM3840_Params * p)
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write_regs (udev, 6, 0xb0, 0x00, 0xb1, 0x80, 0xb2, 0x07, 0xb3, 0xff, 0xb4,
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write_regs (udev, 6, 0xb0, 0x00, 0xb1, 0x80, 0xb2, 0x07, 0xb3, 0xff, 0xb4,
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0xbf, 0xb5, 0x07);
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0xbf, 0xb5, 0x07);
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write_vctl (udev, 0x0c, 0x0002, whitemapsize, 0x00);
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write_vctl (udev, 0x0c, 0x0002, whitemapsize, 0x00);
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fix_endian_short (&GRAYMASK, 1);
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if (gray)
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if (gray)
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for (i = 0; i < whitemapsize / 2; i++)
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for (i = 0; i < whitemapsize / 2; i++)
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lightmap[i] |= 0xc000;
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lightmap[i] |= GRAYMASK;
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len =
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len =
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usb_bulk_write (udev, 2, (unsigned char *) lightmap, whitemapsize,
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usb_bulk_write (udev, 2, (unsigned char *) lightmap, whitemapsize,
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wr_timeout);
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wr_timeout);
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