https://gitlab.synchro.net/main/sbbs/-/commit/43370cc1a33ae299156a043e
Modified Files:
exec/load/cterm_lib.js
Log Message:
Add method: query_ctda() - Query CTerm Device Attributes

Returns an array of attributes (digits), if valid response

Now Nightfox, you can query SyncTERM (only) to see if it supports Pixel ops (e.g. Sixel) is supported at the moment, using:

cterm_lib.query_ctda(cterm_lib.cterm_device_attributes.pixelops_supported)

- will return true if pixel operations are supported

Other dynamic terminal capabilities (e.g. depdendant on the output mode that SyncTERM is run in) can be detected with this method. But note: the values returned in SyncTERM's CTDA query-response do not exaclty match the values documented in cterm.txt. So use the constants from cterm_lib.js instead.

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https://gitlab.synchro.net/main/sbbs/-/commit/cf5cb5f3bb24e043f06f2b28
Modified Files:
exec/load/cterm_lib.js
Log Message:
Call query_ctda() from supports_sixel() to confirm Sixel support

Both the version and the output mode SyncTERM must be confirmed.

A similar change should be made for supports_palettes() I think.

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https://gitlab.synchro.net/main/sbbs/-/commit/d06c74760b0a28b5400c651c
Modified Files:
exec/load/cterm_lib.js
Log Message:
Define cterm_version_supports_copy_buffers (1316)

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https://gitlab.synchro.net/main/sbbs/-/commit/e81d266166ab527ccc7cd1a1
Modified Files:
exec/load/cterm_lib.js
Log Message:
Make scale_rgb_channel_value() a bit smoother and avoid divide by zero.

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