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Addition of T.85 compression to the TIFF file.

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Steve Underwood committed 2013-04-05 00:29:32 +08:00
1 parent d3dbde63b1
commit cdac39a6e4
5 files changed
+194 -22
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libs/spandsp/src/t30_api.c
+28 -2
View File
@@ -697,12 +697,12 @@ SPAN_DECLARE(int) t30_set_supported_compressions(t30_state_t *s, int supported_c
supported_compressions &= T30_SUPPORT_COMPRESSION_T4_1D
| T30_SUPPORT_COMPRESSION_T4_2D
| T30_SUPPORT_COMPRESSION_T6
| T30_SUPPORT_COMPRESSION_T85
| T30_SUPPORT_COMPRESSION_T85_L0
//| T30_SUPPORT_COMPRESSION_T81
#if defined(SPANDSP_SUPPORT_T43)
| T30_SUPPORT_COMPRESSION_T43
#endif
| T30_SUPPORT_COMPRESSION_T85
| T30_SUPPORT_COMPRESSION_T85_L0
| 0;
s->supported_compressions = supported_compressions;
t30_build_dis_or_dtc(s);
@@ -712,6 +712,23 @@ SPAN_DECLARE(int) t30_set_supported_compressions(t30_state_t *s, int supported_c
SPAN_DECLARE(int) t30_set_supported_bilevel_resolutions(t30_state_t *s, int supported_resolutions)
{
supported_resolutions &= T4_RESOLUTION_R8_STANDARD
| T4_RESOLUTION_R8_FINE
| T4_RESOLUTION_R8_SUPERFINE
| T4_RESOLUTION_R16_SUPERFINE
| T4_RESOLUTION_200_100
| T4_RESOLUTION_200_200
| T4_RESOLUTION_200_400
| T4_RESOLUTION_300_300
| T4_RESOLUTION_300_600
| T4_RESOLUTION_400_400
| T4_RESOLUTION_400_800
| T4_RESOLUTION_600_600
| T4_RESOLUTION_600_1200
| T4_RESOLUTION_1200_1200;
/* Make sure anything needed for colour is enabled as a bi-level image, as that is a
rule from T.30. 100x100 is an exception, as it doesn't exist as a bi-level resolution. */
supported_resolutions |= (s->supported_colour_resolutions & ~T4_RESOLUTION_100_100);
s->supported_bilevel_resolutions = supported_resolutions;
t30_build_dis_or_dtc(s);
return 0;
@@ -720,7 +737,16 @@ SPAN_DECLARE(int) t30_set_supported_bilevel_resolutions(t30_state_t *s, int supp
SPAN_DECLARE(int) t30_set_supported_colour_resolutions(t30_state_t *s, int supported_resolutions)
{
supported_resolutions &= T4_RESOLUTION_100_100
| T4_RESOLUTION_200_200
| T4_RESOLUTION_300_300
| T4_RESOLUTION_400_400
| T4_RESOLUTION_600_600
| T4_RESOLUTION_1200_1200;
s->supported_colour_resolutions = supported_resolutions;
/* Make sure anything needed for colour is enabled as a bi-level image, as that is a
rule from T.30. 100x100 is an exception, as it doesn't exist as a bi-level resolution. */
s->supported_bilevel_resolutions |= (s->supported_colour_resolutions & ~T4_RESOLUTION_100_100);
t30_build_dis_or_dtc(s);
return 0;
}