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# Copyright (C) 1999-2016
# Smithsonian Astrophysical Observatory, Cambridge, MA, USA
# For conditions of distribution and use, see copyright notice in "copyright"
package provide DS9 1.0
proc ImportPhotoFile {fn mode} {
global loadParam
set loadParam(file,type) photo
set loadParam(file,mode) $mode
set loadParam(load,type) photo
# find stdin
if {[string range $fn 0 4] == "stdin" ||
[string range $fn 0 4] == "STDIN" ||
[string range $fn 0 0] == "-"} {
fconfigure stdin -translation binary -encoding binary
if {[catch {image create photo -data [read -nonewline stdin]} ph]} {
Error [msgcat::mc {An error has occurred while reading image.}]
return
}
set loadParam(file,name) stdin
} else {
if {[catch {image create photo -file $fn} ph]} {
Error [msgcat::mc {An error has occurred while reading image.}]
return
}
set loadParam(file,name) $fn
}
set loadParam(var,name) $ph
# mask not supported
set loadParam(load,layer) {}
ProcessLoad
image delete $ph
}
proc ImportPhotoAlloc {path fn mode} {
global loadParam
set loadParam(file,type) photo
set loadParam(file,mode) $mode
set loadParam(load,type) photo
if {[catch {image create photo -file $path} ph]} {
Error [msgcat::mc {An error has occurred while reading image.}]
return
}
set loadParam(file,name) $fn
set loadParam(var,name) $ph
# mask not supported
set loadParam(load,layer) {}
ProcessLoad
image delete $ph
}
proc ImportPhotoSocket {ch fn mode} {
global loadParam
set loadParam(file,type) photo
set loadParam(file,mode) $mode
set loadParam(load,type) photo
set loadParam(file,name) $fn
fconfigure $ch -translation binary -encoding binary
if {[catch {image create photo -data [read $ch]} ph]} {
Error [msgcat::mc {An error has occurred while reading image.}]
return 0
}
set loadParam(var,name) $ph
# mask not supported
set loadParam(load,layer) {}
set rr [ProcessLoad 0]
image delete $ph
return $rr
}
proc ExportPhotoFile {fn format opt} {
global export
global current
if {$fn == {} || $current(frame) == {}} {
return
}
if {![$current(frame) has fits]} {
return
}
if {[catch {image create photo} ph]} {
Error [msgcat::mc {An error has occurred while creating image.}]
return
}
$current(frame) save photo $ph
set ff $format
switch -- $format {
jpeg {
if {$opt == {}} {
set opt $export(jpeg,quality)
}
set ff [list $format -quality $opt]
}
tiff {
if {$opt == {}} {
set opt $export(tiff,compress)
}
set ff [list $format -compression $opt]
}
}
if {[catch {$ph write $fn -format $ff}]} {
Error [msgcat::mc {An error has occurred while writing image.}]
}
image delete $ph
}
proc ExportPhotoSocket {ch format opt} {
global export
global current
if {$current(frame) == {}} {
return
}
if {![$current(frame) has fits]} {
return
}
if {[catch {image create photo} ph]} {
Error [msgcat::mc {An error has occurred while creating image.}]
return
}
$current(frame) save photo $ph
fconfigure $ch -translation binary -encoding binary
set ff $format
switch -- $format {
jpeg {
if {$opt == {}} {
set opt $export(jpeg,quality)
}
set ff [list $format -quality $opt]
}
tiff {
if {$opt == {}} {
set opt $export(tiff,compress)
}
set ff [list $format -compression $opt]
}
}
if {[catch {$ph data -format $ff} data]} {
Error [msgcat::mc {An error has occurred while writing image.}]
return
}
puts -nonewline $ch [base64::decode $data]
image delete $ph
}
# Process Cmds
proc ProcessGIFCmd {varname iname ch fn} {
upvar $varname var
upvar $iname i
ProcessPhotoCmd $varname $iname $ch $fn
}
proc ProcessJPEGCmd {varname iname ch fn} {
upvar $varname var
upvar $iname i
ProcessPhotoCmd $varname $iname $ch $fn
}
proc ProcessPNGCmd {varname iname ch fn} {
upvar $varname var
upvar $iname i
ProcessPhotoCmd $varname $iname $ch $fn
}
proc ProcessTIFFCmd {varname iname ch fn} {
upvar $varname var
upvar $iname i
ProcessPhotoCmd $varname $iname $ch $fn
}
proc ProcessPhotoCmd {varname iname ch fn} {
upvar 2 $varname var
upvar 2 $iname i
global loadParam
global current
set mode {}
switch -- [string tolower [lindex $var $i]] {
new {
incr i
CreateFrame
}
mask {
incr i
# not supported
}
slice {
incr i
set mode slice
}
}
set param [lindex $var $i]
StartLoad
if {$ch != {}} {
# xpa
global tcl_platform
switch $tcl_platform(os) {
Linux -
Darwin -
SunOS {
if {![ImportPhotoSocket $ch $param $mode]} {
InitError xpa
ImportPhotoFile $param $mode
}
}
{Windows NT} {ImportPhotoFile $param $mode}
}
} else {
# comm
if {$fn != {}} {
ImportPhotoAlloc $fn $param $mode
} else {
ImportPhotoFile $param $mode
}
}
FinishLoad
}
proc ProcessSendGIFCmd {proc id param ch fn} {
global current
ProcessSendPhotoCmd gif $proc $id $param $ch $fn
}
proc ProcessSendJPEGCmd {proc id param ch fn} {
global current
ProcessSendPhotoCmd jpeg $proc $id $param $ch $fn
}
proc ProcessSendPNGCmd {proc id param ch fn} {
global current
ProcessSendPhotoCmd png $proc $id $param $ch $fn
}
proc ProcessSendTIFFCmd {proc id param ch fn} {
global current
ProcessSendPhotoCmd tiff $proc $id $param $ch $fn
}
proc ProcessSendPhotoCmd {format proc id param ch fn} {
global current
global export
if {$current(frame) == {}} {
return
}
set opt [string tolower [lindex $param 0]]
if {$ch != {}} {
# xpa
global tcl_platform
switch $tcl_platform(os) {
Linux -
Darwin -
SunOS {ExportPhotoSocket $ch $format $opt}
{Windows NT} {}
}
} elseif {$fn != {}} {
# comm
ExportPhotoFile $fn $format $opt
$proc $id {} $fn
}
}
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