archie/tk4.2/tests/visual.test
2024-05-27 16:40:40 +02:00

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# This file is a Tcl script to test the visual- and colormap-handling
# procedures in the file tkVisual.c. It is organized in the standard
# fashion for Tcl tests.
#
# Copyright (c) 1994 The Regents of the University of California.
# Copyright (c) 1994-1995 Sun Microsystems, Inc.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# SCCS: @(#) visual.test 1.11 96/02/16 10:55:34
if {[info procs test] != "test"} {
source defs
}
foreach i [winfo children .] {
destroy $i
}
wm geometry . {}
raise .
update
# eatColors --
# Creates a toplevel window and allocates enough colors in it to
# use up all the slots in the colormap.
#
# Arguments:
# w - Name of toplevel window to create.
proc eatColors {w} {
catch {destroy $w}
toplevel $w
wm geom $w +0+0
canvas $w.c -width 400 -height 200 -bd 0
pack $w.c
for {set y 0} {$y < 8} {incr y} {
for {set x 0} {$x < 40} {incr x} {
set color [format #%02x%02x%02x [expr $x*6] [expr $y*30] 0]
$w.c create rectangle [expr 10*$x] [expr 20*$y] \
[expr 10*$x + 10] [expr 20*$y + 20] -outline {} \
-fill $color
}
}
update
}
# colorsFree --
#
# Returns 1 if there appear to be free colormap entries in a window,
# 0 otherwise.
#
# Arguments:
# w - Name of window in which to check.
# red, green, blue - Intensities to use in a trial color allocation
# to see if there are colormap entries free.
proc colorsFree {w {red 31} {green 245} {blue 192}} {
set vals [winfo rgb $w [format #%02x%02x%02x $red $green $blue]]
expr ([lindex $vals 0]/256 == $red) && ([lindex $vals 1]/256 == $green) \
&& ([lindex $vals 2]/256 == $blue)
}
# If more than one visual type is available for the screen, pick one
# that is *not* the default.
set default "[winfo visual .] [winfo depth .]"
set avail [winfo visualsavailable .]
set other {}
if {[llength $avail] > 1} {
foreach visual $avail {
if {$visual != $default} {
set other $visual
break
}
}
}
test visual-1.1 {Tk_GetVisual, copying from other window} {
list [catch {toplevel .t -visual .foo.bar} msg] $msg
} {1 {bad window path name ".foo.bar"}}
if {$other != ""} {
test visual-1.2 {Tk_GetVisual, copying from other window} {nonPortable} {
catch {destroy .t1}
catch {destroy .t2}
toplevel .t1 -width 250 -height 100 -visual $other
wm geom .t1 +0+0
toplevel .t2 -width 200 -height 80 -visual .t1
wm geom .t2 +5+5
concat "[winfo visual .t2] [winfo depth .t2]"
} $other
test visual-1.3 {Tk_GetVisual, copying from other window} {
catch {destroy .t1}
catch {destroy .t2}
toplevel .t1 -width 250 -height 100 -visual $other
wm geom .t1 +0+0
toplevel .t2 -width 200 -height 80 -visual .
wm geom .t2 +5+5
concat "[winfo visual .t2] [winfo depth .t2]"
} $default
# Make sure reference count is incremented when copying visual (the
# following test will cause the colormap to be freed prematurely if
# the reference count isn't incremented).
test visual-1.4 {Tk_GetVisual, colormap reference count} {
catch {destroy .t1}
catch {destroy .t2}
toplevel .t1 -width 250 -height 100 -visual $other
wm geom .t1 +0+0
set result [list [catch {toplevel .t2 -gorp 80 -visual .t1} msg] $msg]
update
set result
} {1 {unknown option "-gorp"}}
}
test visual-1.5 {Tk_GetVisual, default colormap} {
catch {destroy .t1}
toplevel .t1 -width 250 -height 100 -visual default
wm geometry .t1 +0+0
update
concat "[winfo visual .t1] [winfo depth .t1]"
} $default
set i 1
foreach visual $avail {
test visual-2.$i {Tk_GetVisual, different visual types} {nonPortable} {
catch {destroy .t1}
toplevel .t1 -width 250 -height 100 -visual $visual
wm geometry .t1 +0+0
update
concat "[winfo visual .t1] [winfo depth .t1]"
} $visual
incr i
}
test visual-3.1 {Tk_GetVisual, parsing visual string} {
catch {destroy .t1}
toplevel .t1 -width 250 -height 100 \
-visual "[winfo visual .][winfo depth .]"
wm geometry .t1 +0+0
update
concat "[winfo visual .t1] [winfo depth .t1]"
} $default
test visual-3.2 {Tk_GetVisual, parsing visual string} {
catch {destroy .t1}
list [catch {
toplevel .t1 -width 250 -height 100 -visual goop20
wm geometry .t1 +0+0
} msg] $msg
} {1 {unknown or ambiguous visual name "goop20": class must be best, directcolor, grayscale, greyscale, pseudocolor, staticcolor, staticgray, staticgrey, truecolor, or default}}
test visual-3.3 {Tk_GetVisual, parsing visual string} {
catch {destroy .t1}
list [catch {
toplevel .t1 -width 250 -height 100 -visual d
wm geometry .t1 +0+0
} msg] $msg
} {1 {unknown or ambiguous visual name "d": class must be best, directcolor, grayscale, greyscale, pseudocolor, staticcolor, staticgray, staticgrey, truecolor, or default}}
test visual-3.4 {Tk_GetVisual, parsing visual string} {
catch {destroy .t1}
list [catch {
toplevel .t1 -width 250 -height 100 -visual static
wm geometry .t1 +0+0
} msg] $msg
} {1 {unknown or ambiguous visual name "static": class must be best, directcolor, grayscale, greyscale, pseudocolor, staticcolor, staticgray, staticgrey, truecolor, or default}}
test visual-3.5 {Tk_GetVisual, parsing visual string} {
catch {destroy .t1}
list [catch {
toplevel .t1 -width 250 -height 100 -visual "pseudocolor 48x"
wm geometry .t1 +0+0
} msg] $msg
} {1 {expected integer but got "48x"}}
if {$other != ""} {
catch {destroy .t1}
catch {destroy .t2}
catch {destroy .t3}
toplevel .t1 -width 250 -height 100 -visual $other
wm geom .t1 +0+0
toplevel .t2 -width 200 -height 80 -visual [winfo visual .]
wm geom .t2 +5+5
toplevel .t3 -width 150 -height 250 -visual [winfo visual .t1]
wm geom .t3 +10+10
test visual-4.1 {Tk_GetVisual, numerical visual id} nonPortable {
list [winfo visualid .t2] [winfo visualid .t3]
} [list [winfo visualid .] [winfo visualid .t1]]
destroy .t1 .t2 .t3
}
test visual-4.2 {Tk_GetVisual, numerical visual id} {
catch {destroy .t1}
list [catch {toplevel .t1 -visual 12xyz} msg] $msg
} {1 {bad X identifier for visual: 12xyz"}}
test visual-4.3 {Tk_GetVisual, numerical visual id} {
catch {destroy .t1}
list [catch {toplevel .t1 -visual 1291673} msg] $msg
} {1 {couldn't find an appropriate visual}}
if ![string match *pseudocolor* $avail] {
test visual-5.1 {Tk_GetVisual, no matching visual} {
catch {destroy .t1}
list [catch {
toplevel .t1 -width 250 -height 100 -visual "pseudocolor 8"
wm geometry .t1 +0+0
} msg] $msg
} {1 {couldn't find an appropriate visual}}
}
if {[string match *pseudocolor* $avail] && ([llength $avail] > 1)} {
test visual-6.1 {Tk_GetVisual, no matching visual} {nonPortable} {
catch {destroy .t1}
toplevel .t1 -width 250 -height 100 -visual "best"
wm geometry .t1 +0+0
update
winfo visual .t1
} {pseudocolor}
}
# These tests are non-portable due to variations in how many colors
# are already in use on the screen.
if {([winfo visual .] == "pseudocolor") && ([winfo depth .] == 8)} {
eatColors .t1
test visual-7.1 {Tk_GetColormap, "new"} {nonPortable} {
toplevel .t2 -width 30 -height 20
wm geom .t2 +0+0
update
colorsFree .t2
} {0}
test visual-7.2 {Tk_GetColormap, "new"} {nonPortable} {
catch {destroy .t2}
toplevel .t2 -width 30 -height 20 -colormap new
wm geom .t2 +0+0
update
colorsFree .t2
} {1}
test visual-7.3 {Tk_GetColormap, copy from other window} {nonPortable} {
catch {destroy .t2}
toplevel .t3 -width 400 -height 50 -colormap new
wm geom .t3 +0+0
catch {destroy .t2}
toplevel .t2 -width 30 -height 20 -colormap .t3
wm geom .t2 +0+0
update
destroy .t3
colorsFree .t2
} {1}
test visual-7.4 {Tk_GetColormap, copy from other window} {nonPortable} {
catch {destroy .t2}
toplevel .t3 -width 400 -height 50 -colormap new
wm geom .t3 +0+0
catch {destroy .t2}
toplevel .t2 -width 30 -height 20 -colormap .
wm geom .t2 +0+0
update
destroy .t3
colorsFree .t2
} {0}
test visual-7.5 {Tk_GetColormap, copy from other window} {nonPortable} {
catch {destroy .t1}
list [catch {toplevel .t1 -width 400 -height 50 \
-colormap .choke.lots} msg] $msg
} {1 {bad window path name ".choke.lots"}}
if {$other != {}} {
test visual-7.6 {Tk_GetColormap, copy from other window} {nonPortable} {
catch {destroy .t1}
catch {destroy .t2}
toplevel .t1 -width 300 -height 150 -visual $other
wm geometry .t1 +0+0
list [catch {toplevel .t2 -width 400 -height 50 \
-colormap .t1} msg] $msg
} {1 {can't use colormap for .t1: incompatible visuals}}
}
catch {destroy .t1}
catch {destroy .t2}
}
test visual-8.1 {Tk_FreeColormap procedure} {
foreach w [winfo child .] {
destroy $w
}
toplevel .t1 -width 300 -height 180 -colormap new
wm geometry .t1 +0+0
foreach i {.t2 .t3 .t4} {
toplevel $i -width 250 -height 150 -colormap .t1
wm geometry $i +0+0
}
destroy .t1
destroy .t3
destroy .t4
update
} {}
if {$other != {}} {
test visual-8.2 {Tk_FreeColormap procedure} {
foreach w [winfo child .] {
destroy $w
}
toplevel .t1 -width 300 -height 180 -visual $other
wm geometry .t1 +0+0
foreach i {.t2 .t3 .t4} {
toplevel $i -width 250 -height 150 -visual $other
wm geometry $i +0+0
}
destroy .t2
destroy .t3
destroy .t4
update
} {}
}
foreach w [winfo child .] {
destroy $w
}
rename eatColors {}
rename colorsFree {}