diff options
Diffstat (limited to 'info')
| -rw-r--r-- | info/libgamma.texinfo | 200 |
1 files changed, 127 insertions, 73 deletions
diff --git a/info/libgamma.texinfo b/info/libgamma.texinfo index 1bb0280..1a480fe 100644 --- a/info/libgamma.texinfo +++ b/info/libgamma.texinfo @@ -467,9 +467,9 @@ and for the freedom of all. @menu * Adjustment methods:: Selecting adjustment method. +* Monitors:: Selecting monitors. * Adjustment method capabilities:: Identifying capabilities of adjustment methods. * CRTC information:: Retrieving information about CRTC:s. -* Monitors:: Selecting monitors. * Gamma ramps:: Fetch and manipulating gamma ramps. * Errors:: Error codes and how to handle errors. @end menu @@ -558,6 +558,117 @@ values. +@node Monitors +@section Monitors + +@menu +* Site:: Display sites. +* Partition:: Display partitions. +* CRTC:: Display outputs. +@end menu + +@command{libgamma} have a three level hierarchy for addressing +monitors. These levels are: + +@table @asis +@item Sites +£>libgamma-method-extract --doc --site-t | behead 2 | texise +@item Partitions +£>libgamma-method-extract --doc --part-t | behead 2 | texise +@item CRTC:s (cathode ray tube controllers) @footnote{Do not be fooled by the legacy name, they are general video controllers.} +£>libgamma-method-extract --doc --crtc-t | behead 2 | texise +@end table + +@command{libgamma} keeps tracks of these layers' states, +because of this there are one state data structure per +layer that also identifies the instance of the layer. + + +@node Site +@subsection Site + +The state and identity of the site is track by +the data structure @code{libgamma_site_state_t} +@footnote{@code{struct libgamma_site_state}}. +This structure contains the following variables: + +@table @code +£>for site in $(libgamma-method-extract --list --site-t); do +@item £{site} +£>libgamma-method-extract --site-t $site | texise | sed -e 's/"/``/1' | sed -e 's/"/'\'\''/' +£>done +@end table + +To release all resources held by a site state, +call the function @code{libgamma_site_destroy}, +whose only parameter is the site state to +destroy. It does not return any value, and is +always successful assuming that the site is +valid and properly initialised. If you also +want to free the allocation for the site state +itself call the function @code{libgamma_site_free} +instead. These two functions are identical +with the exception that the latter also +performs a @code{free} call for the state. + + +@node Partition +@subsection Partition + +The state and identity of the partition is track by +the data structure @code{libgamma_partition_state_t} +@footnote{@code{struct libgamma_partition_state}}. +This structure contains the following variables: + +@table @code +£>for part in $(libgamma-method-extract --list --part-t); do +@item £{part} +£>libgamma-method-extract --part-t $part | texise +£>done +@end table + +To release all resources held by a partition state, +call the function @code{libgamma_partition_destroy}, +whose only parameter is the partition state to +destroy. It does not return any value, and is +always successful assuming that the partition is +valid and properly initialised. If you also +want to free the allocation for the partition state +itself call the function @code{libgamma_partition_free} +instead. These two functions are identical +with the exception that the latter also +performs a @code{free} call for the state. + + +@node CRTC +@subsection CRTC + +The state and identity of the partition is track +by the data structure @code{libgamma_crtc_state_t} +@footnote{@code{struct libgamma_crtc_state}}. +This structure contains the following variables; + +@table @code +£>for crtc in $(libgamma-method-extract --list --crtc-t); do +@item £{crtc} +£>libgamma-method-extract --crtc-t $crtc | texise +£>done +@end table + +To release all resources held by a CRTC state, +call the function @code{libgamma_crtc_destroy}, +whose only parameter is the CRTC state to +destroy. It does not return any value, and is +always successful assuming that the CRTC is +valid and properly initialised. If you also +want to free the allocation for the CRTC state +itself call the function @code{libgamma_crtc_free} +instead. These two functions are identical +with the exception that the latter also +performs a @code{free} call for the state. + + + @node Adjustment method capabilities @section Adjustment method capabilities @@ -616,63 +727,6 @@ CRTC information. -@node Monitors -@section Monitors - -@command{libgamma} have a three level hierarchy for addressing -monitors. These levels are: - -@table @asis -@item Sites -£>libgamma-method-extract --doc --site-t | behead 2 | texise -@item Partitions -£>libgamma-method-extract --doc --part-t | behead 2 | texise -@item CRTC:s (cathode ray tube controllers) @footnote{Do not be fooled by the legacy name, they are general video controllers.} -£>libgamma-method-extract --doc --crtc-t | behead 2 | texise -@end table - -@command{libgamma} keeps tracks of these layers states, -because of this there are one state data structure per -layer that also identifies the instance of the layer. - -The state and identity of the site is track by -the data structure @code{libgamma_site_state_t} -@footnote{@code{struct libgamma_site_state}}. -This structure contains the following variables: - -@table @code -£>for site in $(libgamma-method-extract --list --site-t); do -@item £{site} -£>libgamma-method-extract --site-t $site | texise | sed -e 's/"/``/1' | sed -e 's/"/'\'\''/' -£>done -@end table - -The state and identity of the partition is track by -the data structure @code{libgamma_partition_state_t} -@footnote{@code{struct libgamma_partition_state}}. -This structure contains the following variables: - -@table @code -£>for part in $(libgamma-method-extract --list --part-t); do -@item £{part} -£>libgamma-method-extract --part-t $part | texise -£>done -@end table - -The state and identity of the partition is track -by the data structure @code{libgamma_crtc_state_t} -@footnote{@code{struct libgamma_crtc_state}}. -This structure contains the following variables; - -@table @code -£>for crtc in $(libgamma-method-extract --list --crtc-t); do -@item £{crtc} -£>libgamma-method-extract --crtc-t $crtc | texise -£>done -@end table - - - @node Gamma ramps @section Gamma ramps @@ -755,11 +809,11 @@ functions to create and destroy gamma ramp structures. @table @asis -@item @code{libgamma_gamma_ramps_initialise} [@code{int *(libgamma_gamma_ramps_t* restrict)}] -@itemx @code{libgamma_gamma_ramps32_initialise} [@code{int *(libgamma_gamma_ramps32_t* restrict)}] -@itemx @code{libgamma_gamma_ramps64_initialise} [@code{int *(libgamma_gamma_ramps64_t* restrict)}] -@itemx @code{libgamma_gamma_rampsf_initialise} [@code{int *(libgamma_gamma_rampsf_t* restrict)}] -@itemx @code{libgamma_gamma_rampsd_initialise} [@code{int *(libgamma_gamma_rampsd_t* restrict)}] +@item @code{libgamma_gamma_ramps_initialise} [@code{int *(libgamma_gamma_ramps_t*)}] +@itemx @code{libgamma_gamma_ramps32_initialise} [@code{int *(libgamma_gamma_ramps32_t*)}] +@itemx @code{libgamma_gamma_ramps64_initialise} [@code{int *(libgamma_gamma_ramps64_t*)}] +@itemx @code{libgamma_gamma_rampsf_initialise} [@code{int *(libgamma_gamma_rampsf_t*)}] +@itemx @code{libgamma_gamma_rampsd_initialise} [@code{int *(libgamma_gamma_rampsd_t*)}] Initialise a gamma ramp in the proper way that allows all adjustment methods to read from and write to it without causing @@ -775,21 +829,21 @@ Zero is returned on success. On error is set accordingly. These functions can only fail on @code{malloc} error. -@item @code{libgamma_gamma_ramps_destroy} [@code{void *(libgamma_gamma_ramps_t* restrict)}] -@itemx @code{libgamma_gamma_ramps32_destroy} [@code{void *(libgamma_gamma_ramps32_t* restrict)}] -@itemx @code{libgamma_gamma_ramps64_destroy} [@code{void *(libgamma_gamma_ramps64_t* restrict)}] -@itemx @code{libgamma_gamma_rampsf_destroy} [@code{void *(libgamma_gamma_rampsf_t* restrict)}] -@itemx @code{libgamma_gamma_rampsd_destroy} [@code{void *(libgamma_gamma_rampsd_t* restrict)}] +@item @code{libgamma_gamma_ramps_destroy} [@code{void *(libgamma_gamma_ramps_t*)}] +@itemx @code{libgamma_gamma_ramps32_destroy} [@code{void *(libgamma_gamma_ramps32_t*)}] +@itemx @code{libgamma_gamma_ramps64_destroy} [@code{void *(libgamma_gamma_ramps64_t*)}] +@itemx @code{libgamma_gamma_rampsf_destroy} [@code{void *(libgamma_gamma_rampsf_t*)}] +@itemx @code{libgamma_gamma_rampsd_destroy} [@code{void *(libgamma_gamma_rampsd_t*)}] Release resources that are held by a gamma ramp strcuture that has been allocated by @code{libgamma_gamma_ramps_initialise} or otherwise initialises in the proper manner. -@item @code{libgamma_gamma_ramps_free} [@code{void *(libgamma_gamma_ramps_t* restrict)}] -@itemx @code{libgamma_gamma_ramps32_free} [@code{void *(libgamma_gamma_ramps32_t* restrict)}] -@itemx @code{libgamma_gamma_ramps64_free} [@code{void *(libgamma_gamma_ramps64_t* restrict)}] -@itemx @code{libgamma_gamma_rampsf_free} [@code{void *(libgamma_gamma_rampsf_t* restrict)}] -@itemx @code{libgamma_gamma_rampsd_free} [@code{void *(libgamma_gamma_rampsd_t* restrict)}] +@item @code{libgamma_gamma_ramps_free} [@code{void *(libgamma_gamma_ramps_t*)}] +@itemx @code{libgamma_gamma_ramps32_free} [@code{void *(libgamma_gamma_ramps32_t*)}] +@itemx @code{libgamma_gamma_ramps64_free} [@code{void *(libgamma_gamma_ramps64_t*)}] +@itemx @code{libgamma_gamma_rampsf_free} [@code{void *(libgamma_gamma_rampsf_t*)}] +@itemx @code{libgamma_gamma_rampsd_free} [@code{void *(libgamma_gamma_rampsd_t*)}] Release resources that are held by a gamma ramp strcuture that has been allocated by @code{libgamma_gamma_ramps*_initialise} or |