Import Tk 8.6.6 (as of svn r86089)
This commit is contained in:
Zachary Ware
282
tests/color.test
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282
tests/color.test
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# This file is a Tcl script to test out the procedures in the file
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# tkColor.c. It is organized in the standard fashion for Tcl tests.
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#
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# Copyright (c) 1995-1998 Sun Microsystems, Inc.
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# Copyright (c) 1998-1999 by Scriptics Corporation.
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# All rights reserved.
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package require tcltest 2.1
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eval tcltest::configure $argv
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tcltest::loadTestedCommands
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# cname --
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# Returns a proper name for a color, given its intensities.
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#
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# Arguments:
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# r, g, b - Intensities on a 0-255 scale.
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proc cname {r g b} {
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format #%02x%02x%02x $r $g $b
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}
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proc cname4 {r g b} {
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format #%04x%04x%04x $r $g $b
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}
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# mkColors --
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# Creates a canvas and fills it with a 2-D array of squares, each of a
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# different color.
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#
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# Arguments:
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# c - Name of canvas window to create.
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# width - Number of squares in each row.
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# height - Number of squares in each column.
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# r, g, b - Initial value for red, green, and blue intensities.
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# rx, gx, bx - Change in intensities between adjacent elements in row.
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# ry, gy, by - Change in intensities between adjacent elements in column.
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proc mkColors {c width height r g b rx gx bx ry gy by} {
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catch {destroy $c}
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canvas $c -width 400 -height 200 -bd 0
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for {set y 0} {$y < $height} {incr y} {
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for {set x 0} {$x < $width} {incr x} {
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set color [format #%02x%02x%02x [expr $r + $y*$ry + $x*$rx] \
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[expr $g + $y*$gy + $x*$gx] [expr $b + $y*$by + $x*$bx]]
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$c create rectangle [expr 10*$x] [expr 20*$y] \
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[expr 10*$x + 10] [expr 20*$y + 20] -outline {} \
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-fill $color
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}
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}
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}
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# closest -
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# Given intensities between 0 and 255, return the closest intensities
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# that the server can provide.
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#
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# Arguments:
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# w - Window in which to lookup color
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# r, g, b - Desired intensities, between 0 and 255.
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proc closest {w r g b} {
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set vals [winfo rgb $w [cname $r $g $b]]
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list [expr [lindex $vals 0]/256] [expr [lindex $vals 1]/256] \
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[expr [lindex $vals 2]/256]
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}
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# c255 -
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# Given a list of red, green, and blue intensities, scale them
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# down to a 0-255 range.
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#
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# Arguments:
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# vals - List of intensities.
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proc c255 {vals} {
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list [expr {[lindex $vals 0]/256}] [expr {[lindex $vals 1]/256}] \
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[expr {[lindex $vals 2]/256}]
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}
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# colorsFree --
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#
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# Returns 1 if there appear to be free colormap entries in a window,
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# 0 otherwise.
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#
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# Arguments:
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# w - Name of window in which to check.
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# red, green, blue - Intensities to use in a trial color allocation
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# to see if there are colormap entries free.
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proc colorsFree {w {red 31} {green 245} {blue 192}} {
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set vals [winfo rgb $w [format #%02x%02x%02x $red $green $blue]]
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expr ([lindex $vals 0]/256 == $red) && ([lindex $vals 1]/256 == $green) \
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&& ([lindex $vals 2]/256 == $blue)
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}
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if {[testConstraint psuedocolor8]} {
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toplevel .t -visual {pseudocolor 8} -colormap new
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wm geom .t +0+0
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mkColors .t.c 40 6 0 0 0 0 6 0 0 0 40
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pack .t.c
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update
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testConstraint colorsFree [colorsFree .t.c 101 233 17]
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if {[testConstraint colorsFree]} {
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mkColors .t.c2 20 1 250 0 0 -10 0 0 0 0 0
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pack .t.c2
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testConstraint colorsFree [expr {![colorsFree .t.c]}]
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}
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destroy .t.c .t.c2
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}
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test color-1.1 {Tk_AllocColorFromObj - converting internal reps} colorsFree {
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set x green
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lindex $x 0
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destroy .b1
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button .b1 -foreground $x -text .b1
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lindex $x 0
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testcolor green
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} {{1 0}}
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test color-1.2 {Tk_AllocColorFromObj - discard stale color} colorsFree {
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set x green
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destroy .b1 .b2
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button .b1 -foreground $x -text First
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destroy .b1
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set result {}
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lappend result [testcolor green]
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button .b2 -foreground $x -text Second
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lappend result [testcolor green]
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} {{} {{1 1}}}
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test color-1.3 {Tk_AllocColorFromObj - reuse existing color} colorsFree {
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set x green
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destroy .b1 .b2
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button .b1 -foreground $x -text First
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set result {}
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lappend result [testcolor green]
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button .b2 -foreground $x -text Second
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pack .b1 .b2 -side top
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lappend result [testcolor green]
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} {{{1 1}} {{2 1}}}
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test color-1.4 {Tk_AllocColorFromObj - try other colors in list} colorsFree {
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set x purple
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destroy .b1 .b2 .t.b
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button .b1 -foreground $x -text First
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pack .b1 -side top
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set result {}
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lappend result [testcolor purple]
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button .t.b -foreground $x -text Second
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pack .t.b -side top
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lappend result [testcolor purple]
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button .b2 -foreground $x -text Third
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pack .b2 -side top
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lappend result [testcolor purple]
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} {{{1 1}} {{1 1} {1 0}} {{1 0} {2 1}}}
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test color-1.5 {Color table} nonPortable {
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set fd [open ../xlib/rgb.txt]
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set result {}
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while {[gets $fd line] != -1} {
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if {[string index $line 0] == "!"} continue
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set rgb [c255 [winfo rgb . [lrange $line 3 end]]]
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if {$rgb != [lrange $line 0 2] } {
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append result $line\n
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}
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}
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return $result
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} {}
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test color-2.1 {Tk_GetColor procedure} colorsFree {
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c255 [winfo rgb .t #FF0000]
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} {255 0 0}
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test color-2.2 {Tk_GetColor procedure} colorsFree {
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list [catch {winfo rgb .t noname} msg] $msg
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} {1 {unknown color name "noname"}}
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test color-2.3 {Tk_GetColor procedure} colorsFree {
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c255 [winfo rgb .t #123456]
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} {18 52 86}
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test color-2.4 {Tk_GetColor procedure} colorsFree {
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list [catch {winfo rgb .t #xyz} msg] $msg
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} {1 {invalid color name "#xyz"}}
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test color-2.5 {Tk_GetColor procedure} colorsFree {
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winfo rgb .t #00FF00
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} {0 65535 0}
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test color-2.6 {Tk_GetColor procedure} {colorsFree nonPortable} {
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# Red doesn't always map to *pure* red
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winfo rgb .t red
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} {65535 0 0}
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test color-2.7 {Tk_GetColor procedure} colorsFree {
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winfo rgb .t #ff0000
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} {65535 0 0}
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test color-3.1 {Tk_FreeColor procedure, reference counting} colorsFree {
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eval destroy [winfo child .t]
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mkColors .t.c 40 6 0 240 240 0 -6 0 0 0 -40
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pack .t.c
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mkColors .t.c2 20 1 250 0 0 -10 0 0 0 0 0
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pack .t.c2
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update
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set last [.t.c2 create rectangle 50 50 70 60 -outline {} \
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-fill [cname 0 240 240]]
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.t.c delete 1
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set result [colorsFree .t]
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.t.c2 delete $last
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lappend result [colorsFree .t]
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} {0 1}
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test color-3.2 {Tk_FreeColor procedure, flushing stressed cmap information} colorsFree {
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eval destroy [winfo child .t]
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mkColors .t.c 40 6 0 240 240 0 -6 0 0 0 -40
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pack .t.c
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mkColors .t.c2 20 1 250 0 0 -10 0 0 0 0 0
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mkColors .t.c2 20 1 250 250 0 -10 -10 0 0 0 0
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pack .t.c2
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update
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closest .t 241 241 1
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} {240 240 0}
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test color-3.3 {Tk_FreeColorFromObj - reference counts} colorsFree {
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set x purple
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destroy .b1 .b2 .t.b
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button .b1 -foreground $x -text First
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pack .b1 -side top
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button .t.b -foreground $x -text Second
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pack .t.b -side top
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button .b2 -foreground $x -text Third
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pack .b2 -side top
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set result {}
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lappend result [testcolor purple]
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destroy .b1
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lappend result [testcolor purple]
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destroy .b2
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lappend result [testcolor purple]
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destroy .t.b
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lappend result [testcolor purple]
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} {{{1 0} {2 1}} {{1 0} {1 1}} {{1 0}} {}}
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test color-3.4 {Tk_FreeColorFromObj - unlinking from list} colorsFree {
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destroy .b .t.b .t2 .t3
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toplevel .t2 -visual {pseudocolor 8} -colormap new
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toplevel .t3 -visual {pseudocolor 8} -colormap new
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set x purple
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button .b -foreground $x -text .b1
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button .t.b1 -foreground $x -text .t.b1
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button .t.b2 -foreground $x -text .t.b2
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button .t2.b1 -foreground $x -text .t2.b1
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button .t2.b2 -foreground $x -text .t2.b2
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button .t2.b3 -foreground $x -text .t2.b3
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button .t3.b1 -foreground $x -text .t3.b1
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button .t3.b2 -foreground $x -text .t3.b2
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button .t3.b3 -foreground $x -text .t3.b3
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button .t3.b4 -foreground $x -text .t3.b4
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set result {}
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lappend result [testcolor purple]
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destroy .t2
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lappend result [testcolor purple]
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destroy .b
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lappend result [testcolor purple]
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destroy .t3
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lappend result [testcolor purple]
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destroy .t
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lappend result [testcolor purple]
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} {{{4 1} {3 0} {2 0} {1 0}} {{4 1} {2 0} {1 0}} {{4 1} {2 0}} {{2 0}} {}}
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test color-4.1 {FreeColorObjProc} colorsFree {
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destroy .b
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set x [format purple]
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button .b -foreground $x -text .b1
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set y [format purple]
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.b configure -foreground $y
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set z [format purple]
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.b configure -foreground $z
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set result {}
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lappend result [testcolor purple]
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set x red
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lappend result [testcolor purple]
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set z 32
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lappend result [testcolor purple]
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destroy .b
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lappend result [testcolor purple]
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set y bogus
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set result
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} {{{1 3}} {{1 2}} {{1 1}} {}}
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destroy .t
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# cleanup
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cleanupTests
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return
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