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package require Tk
package require img::ps
source [file join "utils" "testUtil.tcl"]
puts "Using [expr $tcl_platform(pointerSize) *8]-bit Tcl [info patchlevel], Tk $::tk_patchLevel, img::ps [package require img::ps]"
if { ! [HaveGhostscript] } {
puts "Skipping test because of missing ghostscript interpeter"
exit
}
set imgFile [file join ".." "sourceimgs" "cawt.ps"]
proc CheckIndex { fileName fmt ind } {
set retVal [catch {image create photo -file $fileName -format "$fmt -index $ind"} phImg]
if { $retVal == 0 } {
image delete $phImg
return true
}
return false
}
proc GetNumPages { fileName fmt } {
if { [CheckIndex $fileName $fmt 1] } {
set ind 5
while { [CheckIndex $fileName $fmt $ind] } {
incr ind 5
}
incr ind -1
while { ! [CheckIndex $fileName $fmt $ind] } {
incr ind -1
}
return [expr { $ind + 1 }]
}
return 1
}
# Determine the number of pages of the multi-page PostScript file.
set numPages [GetNumPages $imgFile PS]
# Read a PostScript file into a photo image.
set imgNone [image create photo -file $imgFile -format PS]
label .imgNone -image $imgNone -compound top -relief ridge -text "PS"
# Read a PostScript file into a photo image using option "-zoom".
set imgZoom [image create photo -file $imgFile -format [list PS -zoom 0.5 0.9 -verbose true]]
label .imgZoom -image $imgZoom -compound top -relief ridge -text "PS -zoom 0.5 0.9"
grid .imgNone .imgZoom -padx 2 -pady 4 -sticky sew -rowspan 4
# Read all pages from a PostScript file into photo images using option "-index".
for { set n 0 } { $n < $numPages } { incr n } {
set imgPage($n) [image create photo -file $imgFile -format [list PS -zoom 0.25 0.25 -index $n -verbose true]]
label .imgPage_$n -image $imgPage($n) -compound top -relief ridge -text "PS -index $n"
grid .imgPage_$n -row $n -column 2 -padx 2 -pady 4 -sticky sew
}
bind . <Escape> exit
if { [lindex $argv 0] eq "auto" } {
update
after 500
exit
}
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