path: root/tests/canvRect.test

# This file is a Tcl script to test out the procedures in tkRectOval.c,
# which implement canvas "rectangle" and "oval" items.  It is organized
# in the standard fashion for Tcl tests.
#
# Copyright (c) 1994-1996 Sun Microsystems, Inc.
# Copyright (c) 1998-1999 by Scriptics Corporation.
# All rights reserved.
#
# RCS: @(#) $Id: canvRect.test,v 1.10 2008/08/11 21:33:17 aniap Exp $

package require tcltest 2.2
namespace import ::tcltest::*
eval tcltest::configure $argv
tcltest::loadTestedCommands

# Canvas used in every test case of the whole file
canvas .c -width 400 -height 300 -bd 2 -relief sunken
pack .c
update

# Rectangle used in canvRect-1.* tests
.c create rectangle 20 20 80 80 -tag test
test canvRect-1.1 {configuration options: good value for -fill} -body {
    .c itemconfigure test -fill #ff0000
    list [.c itemcget test -fill] [lindex [.c itemconfigure test -fill] 4]
} -result {{#ff0000} #ff0000}
test canvRect-1.2 {configuration options: bad value for -fill} -body {
    .c itemconfigure test -fill non-existent
} -returnCodes error -result {unknown color name "non-existent"}
test canvRect-1.3 {configuration options: good value for -outline} -body {
    .c itemconfigure test -outline #123456
    list [.c itemcget test -outline] [lindex [.c itemconfigure test -outline] 4]
} -result {{#123456} #123456}
test canvRect-1.4 {configuration options: bad value for -outline} -body {
    .c itemconfigure test -outline non-existent
} -returnCodes error -result {unknown color name "non-existent"}
test canvRect-1.5 {configuration options: good value for -stipple } -body {
    .c itemconfigure test -stipple  gray50
    list [.c itemcget test -stipple ] [lindex [.c itemconfigure test -stipple ] 4]
} -result {gray50 gray50}
test canvRect-1.6 {configuration options: bad value for -stipple } -body {
    .c itemconfigure test -stipple  bogus
} -returnCodes error -result {bitmap "bogus" not defined}
test canvRect-1.7 {configuration options: good value for -tags} -body {
    .c itemconfigure test -tags {test a b c}
    list [.c itemcget test -tags] [lindex [.c itemconfigure test -tags] 4]
} -result {{test a b c} {test a b c}}
test canvRect-1.8 {configuration options} -body {
    .c itemconfigure test -tags {test xyz}
    .c itemcget xyz -tags
} -result {test xyz}
test canvRect-1.9 {configuration options: good value for -width} -body {
    .c itemconfigure test -width 6.0
    list [.c itemcget test -width] [lindex [.c itemconfigure test -width] 4]
} -result {6.0 6.0}
test canvRect-1.10 {configuration options: bad value for -width} -body {
    .c itemconfigure test -width abc
} -returnCodes error -result {bad screen distance "abc"}
.c delete withtag all


test canvRect-2.1 {CreateRectOval procedure} -body {
    .c create rect
} -returnCodes error -result {wrong # args: should be ".c create rect coords ?arg ...?"}
test canvRect-2.2 {CreateRectOval procedure} -body {
    .c create oval x y z
} -returnCodes error -result {wrong # coordinates: expected 0 or 4, got 3}
test canvRect-2.3 {CreateRectOval procedure} -body {
    .c create rectangle x 2 3 4
} -returnCodes error -result {bad screen distance "x"}
test canvRect-2.4 {CreateRectOval procedure} -body {
    .c create rectangle 1 y 3 4
} -returnCodes error -result {bad screen distance "y"}
test canvRect-2.5 {CreateRectOval procedure} -body {
    .c create rectangle 1 2 z 4
} -returnCodes error -result {bad screen distance "z"}
test canvRect-2.6 {CreateRectOval procedure} -body {
    .c create rectangle 1 2 3 q
} -returnCodes error -result {bad screen distance "q"}
test canvRect-2.7 {CreateRectOval procedure} -body {
    .c create rectangle 1 2 3 4 -tags x
    set result {}
    foreach element [.c coords x] {
	    lappend result [format %.1f $element]
    }
    set result
} -result {1.0 2.0 3.0 4.0}
test canvRect-2.8 {CreateRectOval procedure} -body {
    .c create rectangle 1 2 3 4 -gorp foo
} -returnCodes error -result {unknown option "-gorp"}
.c delete withtag all


test canvRect-3.1 {RectOvalCoords procedure} -body {
    .c create rectangle 10 20 30 40 -tags x
    set result {}
    foreach element [.c coords x] {
	    lappend result [format %.1f $element]
    }
    return $result
} -cleanup {
    .c delete withtag all
} -result {10.0 20.0 30.0 40.0}
test canvRect-3.2 {RectOvalCoords procedure} -body {
    .c create rectangle 10 20 30 40 -tags x
    .c coords x a 2 3 4
} -cleanup {
    .c delete withtag all
} -returnCodes error -result {bad screen distance "a"}
test canvRect-3.3 {RectOvalCoords procedure} -body {
    .c create rectangle 10 20 30 40 -tags x
    .c coords x 1 b 3 4
} -cleanup {
    .c delete withtag all
} -returnCodes error -result {bad screen distance "b"}
test canvRect-3.4 {RectOvalCoords procedure} -body {
    .c create rectangle 10 20 30 40 -tags x
    .c coords x 1 2 c 4
} -cleanup {
    .c delete withtag all
} -returnCodes error -result {bad screen distance "c"}
test canvRect-3.5 {RectOvalCoords procedure} -body {
    .c create rectangle 10 20 30 40 -tags x
    .c coords x 1 2 3 d
} -cleanup {
    .c delete withtag all
} -returnCodes error -result {bad screen distance "d"}
test canvRect-3.6 {RectOvalCoords procedure} -constraints {
    nonPortable
} -body {
    .c create rectangle 10 20 30 40 -tags x
    # Non-portable due to rounding differences.
    .c coords x 10 25 15 40
    .c bbox x
} -cleanup {
    .c delete withtag all
} -result {9 24 16 41}
test canvRect-3.7 {RectOvalCoords procedure} -body {
    .c create rectangle 10 20 30 40 -tags x
    .c coords x 1 2 3 4 5
} -cleanup {
    .c delete withtag all
} -returnCodes error -result {wrong # coordinates: expected 0 or 4, got 5}


test canvRect-4.1 {ConfigureRectOval procedure} -body {
    .c create rectangle 10 20 30 40 -tags x -width 1
    .c itemconfigure x -width abc
} -cleanup {
    .c delete withtag all
} -returnCodes error -result {bad screen distance "abc"}
test canvRect-4.2 {ConfigureRectOval procedure} -body {
    .c create rectangle 10 20 30 40 -tags x -width 1
    catch {.c itemconfigure x -width abc}
	.c itemcget x -width
} -cleanup {
    .c delete withtag all
} -result {1.0}
test canvRect-4.3 {ConfigureRectOval procedure} -body {
    .c create rectangle 10 20 30 40 -tags x -width 1
    .c itemconfigure x -width -5
} -cleanup {
    .c delete withtag all
} -returnCodes error -result {bad screen distance "-5"}
test canvRect-4.4 {ConfigureRectOval procedure} -constraints nonPortable -body {
    # Non-portable due to rounding differences
    .c create rectangle 10 20 30 40 -tags x -width 1
    .c itemconfigure x -width 10
    .c bbox x
} -cleanup {
    .c delete withtag all
} -result {5 15 35 45}

# I can't come up with any good tests for DeleteRectOval.

test canvRect-5.1 {ComputeRectOvalBbox procedure} -constraints nonPortable -body {
    # Non-portable due to rounding differences:
    .c create rectangle 10 20 30 40 -tags x -width 1 -outline {}
    .c coords x 20 15 10 5
    .c bbox x
} -cleanup {
    .c delete withtag all
} -result {10 5 20 15}
test canvRect-5.2 {ComputeRectOvalBbox procedure} -constraints nonPortable -body {
    # Non-portable due to rounding differences:
    .c create rectangle 10 20 30 40 -tags x -width 1 -outline {}
    .c coords x 10 20 30 10
    .c itemconfigure x -width 1 -outline red
    .c bbox x
} -cleanup {
    .c delete withtag all
} -result {9 9 31 21}
test canvRect-5.3 {ComputeRectOvalBbox procedure} -constraints nonPortable -body {
    # Non-portable due to rounding differences:
    .c create rectangle 10 20 30 40 -tags x -width 1 -outline {}
    .c coords x 10 20 30 10
    .c itemconfigure x -width 2 -outline red
    .c bbox x
} -cleanup {
    .c delete withtag all
} -result {9 9 31 21}
test canvRect-5.4 {ComputeRectOvalBbox procedure} -constraints nonPortable -body {
    # Non-portable due to rounding differences:
    .c create rectangle 10 20 30 40 -tags x -width 1 -outline {}
    .c coords x 10 20 30 10
    .c itemconfigure x -width 3 -outline red
    .c bbox x
} -cleanup {
    .c delete withtag all
} -result {8 8 32 22}

# I can't come up with any good tests for DisplayRectOval.

test canvRect-6.1 {RectToPoint procedure} -body {
	set xId  [.c create rectangle 10 20 30 35 -tags x -fill green]
	set yId [.c create rectangle 15 25 25 30  -tags y -fill red]
    .c itemconfigure y -outline {}
    list [expr {[.c find closest 14.9 28] eq $xId}] \
		[expr {[.c find closest 15.1 28] eq $yId}] \
		[expr {[.c find closest 24.9 28] eq $yId}] \
		[expr {[.c find closest 25.1 28] eq $xId}]
} -cleanup {
	.c delete all
} -result {1 1 1 1}
test canvRect-6.2 {RectToPoint procedure} -body {
	set xId  [.c create rectangle 10 20 30 35 -tags x -fill green]
	set yId [.c create rectangle 15 25 25 30  -tags y -fill red]
    .c itemconfigure y -outline {}
    list [expr {[.c find closest 20 24.9] eq $xId}] \
		 [expr {[.c find closest 20 25.1] eq $yId}] \
	    [expr {[.c find closest 20 29.9] eq $yId}] \
		 [expr {[.c find closest 20 30.1] eq $xId}]
		
} -cleanup {
	.c delete all
} -result {1 1 1 1}
test canvRect-6.3 {RectToPoint procedure} -body {
	set xId  [.c create rectangle 10 20 30 35 -tags x -fill green]
	set yId [.c create rectangle 15 25 25 30  -tags y -fill red]
    .c itemconfigure y -width 1 -outline black
    list [expr {[.c find closest 14.4 28] eq $xId}] \
		 [expr {[.c find closest 14.6 28] eq $yId}] \
	    [expr {[.c find closest 25.4 28] eq $yId}] \
		 [expr {[.c find closest 25.6 28] eq $xId}]
} -cleanup {
	.c delete all
} -result {1 1 1 1}
test canvRect-6.4 {RectToPoint procedure} -body {
	set xId  [.c create rectangle 10 20 30 35 -tags x -fill green]
	set yId [.c create rectangle 15 25 25 30  -tags y -fill red]
    .c itemconfigure  y -width 1 -outline black
    list [expr {[.c find closest 20 24.4] eq $xId}] \
		 [expr {[.c find closest 20 24.6] eq $yId}] \
	    [expr {[.c find closest 20 30.4] eq $yId}] \
		 [expr {[.c find closest 20 30.6] eq $xId}]		
} -cleanup {
	.c delete all
} -result {1 1 1 1}

test canvRect-6.5 {RectToPoint procedure} -body {
	set xId  [.c create rectangle 10 20 30 35 -tags x -fill green]
	set yId [.c create rectangle 15 25 25 30  -tags y -fill red]
	.c itemconfigure x -fill {} -outline black -width 3
	.c itemconfigure y -outline {}
    list [expr {[.c find closest 13.2 28] eq $xId}] \
		 [expr {[.c find closest 13.3 28] eq $yId}] \
	    [expr {[.c find closest 26.7 28] eq $yId}] \
		 [expr {[.c find closest 26.8 28] eq $xId}]
} -cleanup {
	.c delete all
} -result {1 1 1 1}
test canvRect-6.6 {RectToPoint procedure} -body {
	set xId  [.c create rectangle 10 20 30 35 -tags x -fill green]
	set yId [.c create rectangle 15 25 25 30  -tags y -fill red]
	.c itemconfigure x -fill {} -outline black -width 3
	.c itemconfigure y -outline {}
    list [expr {[.c find closest 20 23.2] eq $xId}] \
		 [expr {[.c find closest 20 23.3] eq $yId}] \
	    [expr {[.c find closest 20 31.7] eq $yId}] \
		 [expr {[.c find closest 20 31.8] eq $xId}] 
} -cleanup {
	.c delete all
} -result {1 1 1 1}
		
test canvRect-6.7 {RectToPoint procedure} -body {
	set xId [.c create rectangle 10 20 30 40 -outline {} -fill black]		
	set yId [.c create rectangle 40 40 50 50 -outline {} -fill black]
    list [expr {[.c find closest 35 35] eq $xId}] \
		 [expr {[.c find closest 36 36] eq $yId}] \
	    [expr {[.c find closest 37 37] eq $yId}] \
		 [expr {[.c find closest 38 38] eq $yId}] 
} -cleanup {
	.c delete all
} -result {1 1 1 1}


test canvRect-7.1 {RectToArea procedure} -body {
	set xId  [.c create rectangle 10 20 30 35 -fill green -outline {}]
	set yId [.c create rectangle 40 45 60 70 -fill red -outline black -width 3]
	set zId [.c create rectangle 100 150 120 170 -fill {} -outline black -width 3]
    list [expr {[.c find overlapping 20 50 38 60] eq {}}] \
	    [expr {[.c find overlapping 20 50 39 60] eq $yId}] \
	    [expr {[.c find overlapping 20 50 70 60] eq $yId}] \
	    [expr {[.c find overlapping 61 50 70 60] eq $yId}] \
	    [expr {[.c find overlapping 62 50 70 60] eq {}}]
} -cleanup {
	.c delete all
} -result {1 1 1 1 1}
test canvRect-7.2 {RectToArea procedure} -body {
	set xId  [.c create rectangle 10 20 30 35 -fill green -outline {}]
	set yId [.c create rectangle 40 45 60 70 -fill red -outline black -width 3]
	set zId [.c create rectangle 100 150 120 170 -fill {} -outline black -width 3]
    list [expr {[.c find overlapping 45 20 55 43] eq {}}] \
	    [expr {[.c find overlapping 45 20 55 44] eq $yId}] \
	    [expr {[.c find overlapping 45 20 55 80] eq $yId}] \
	    [expr {[.c find overlapping 45 71 55 80] eq $yId}] \
	    [expr {[.c find overlapping 45 72 55 80] eq {}}]
} -cleanup {
	.c delete all
} -result {1 1 1 1 1}
test canvRect-7.3 {RectToArea procedure} -body {
	set xId  [.c create rectangle 10 20 30 35 -fill green -outline {}]
	set yId [.c create rectangle 40 45 60 70 -fill red -outline black -width 3]
	set zId [.c create rectangle 100 150 120 170 -fill {} -outline black -width 3]
    list [expr {[.c find overlapping 5 25 9.9 30] eq {}}] \
		[expr {[.c find overlapping 5 25 10.1 30] eq $xId}]
} -cleanup {
	.c delete all
} -result {1 1}
test canvRect-7.4 {RectToArea procedure} -body {
	set xId  [.c create rectangle 10 20 30 35 -fill green -outline {}]
	set yId [.c create rectangle 40 45 60 70 -fill red -outline black -width 3]
	set zId [.c create rectangle 100 150 120 170 -fill {} -outline black -width 3]
    list [expr {[.c find overlapping 102 152 118 168]  eq {}}]\
	    [expr {[.c find overlapping 101 152 118 168] eq $zId}] \
	    [expr {[.c find overlapping 102 151 118 168] eq $zId}] \
	    [expr {[.c find overlapping 102 152 119 168] eq $zId}] \
	    [expr {[.c find overlapping 102 152 118 169] eq $zId}]
} -cleanup {
	.c delete all
} -result {1 1 1 1 1}
test canvRect-7.5 {RectToArea procedure} -body {
	set xId  [.c create rectangle 10 20 30 35 -fill green -outline {}]
	set yId [.c create rectangle 40 45 60 70 -fill red -outline black -width 3]
	set zId [.c create rectangle 100 150 120 170 -fill {} -outline black -width 3]
    list [expr {[.c find enclosed 20 40 38 80] eq {}}] \
	    [expr {[.c find enclosed 20 40 39 80] eq {}}] \
	    [expr {[.c find enclosed 20 40 70 80] eq $yId}] \
	    [expr {[.c find enclosed 61 40 70 80] eq {}}] \
	    [expr {[.c find enclosed 62 40 70 80] eq {}}]
} -cleanup {
	.c delete all
} -result {1 1 1 1 1}
test canvRect-7.6 {RectToArea procedure} -body {
	set xId  [.c create rectangle 10 20 30 35 -fill green -outline {}]
	set yId [.c create rectangle 40 45 60 70 -fill red -outline black -width 3]
	set zId [.c create rectangle 100 150 120 170 -fill {} -outline black -width 3]
    list [expr {[.c find enclosed 20 20 65 43] eq {}}] \
	    [expr {[.c find enclosed 20 20 65 44] eq {}}] \
	    [expr {[.c find enclosed 20 20 65 80] eq $yId}] \
	    [expr {[.c find enclosed 20 71 65 80] eq {}}] \
	    [expr {[.c find enclosed 20 72 65 80] eq {}}]
} -cleanup {
	.c delete all
} -result {1 1 1 1 1}


test canvRect-8.1 {OvalToArea procedure} -body {
	set xId  [.c create oval 50 100 200 150 -fill green -outline {}]
	set yId [.c create oval 50 100 200 150 -fill red -outline black -width 3]
	set zId [.c create oval 50 100 200 150 -fill {} -outline black -width 3]
    list [expr {[.c find overlapping 20 120 48 130] eq {}}] \
	    [expr {[.c find overlapping 20 120 49 130] eq "$yId $zId"}] \
	    [expr {[.c find overlapping 20 120 50.2 130] eq "$xId $yId $zId"}] \
	    [expr {[.c find overlapping 20 120 300 130] eq "$xId $yId $zId"}] \
	    [expr {[.c find overlapping 60 120 190 130] eq "$xId $yId"}] \
	    [expr {[.c find overlapping 199.9 120 300 130] eq "$xId $yId $zId"}] \
	    [expr {[.c find overlapping 201 120 300 130] eq "$yId $zId"}] \
	    [expr {[.c find overlapping 202 120 300 130] eq {}}]
} -cleanup {
	.c delete all
} -result {1 1 1 1 1 1 1 1}
test canvRect-8.2 {OvalToArea procedure} -body {
	set xId  [.c create oval 50 100 200 150 -fill green -outline {}]
	set yId [.c create oval 50 100 200 150 -fill red -outline black -width 3]
	set zId [.c create oval 50 100 200 150 -fill {} -outline black -width 3]
    list [expr {[.c find overlapping 100 50 150 98] eq {}}] \
	    [expr {[.c find overlapping 100 50 150 99] eq "$yId $zId"}] \
	    [expr {[.c find overlapping 100 50 150 100.1] eq "$xId $yId $zId"}] \
	    [expr {[.c find overlapping 100 50 150 200] eq "$xId $yId $zId"}] \
	    [expr {[.c find overlapping 100 110 150 140] eq "$xId $yId"}] \
	    [expr {[.c find overlapping 100 149.9 150 200] eq "$xId $yId $zId"}] \
	    [expr {[.c find overlapping 100 151 150 200] eq "$yId $zId"}] \
	    [expr {[.c find overlapping 100 152 150 200] eq {}}]
} -cleanup {
	.c delete all
} -result {1 1 1 1 1 1 1 1}
test canvRect-8.3 {OvalToArea procedure} -body {
	set xId  [.c create oval 50 100 200 150 -fill green -outline {}]
	set yId [.c create oval 50 100 200 150 -fill red -outline black -width 3]
	set zId [.c create oval 50 100 200 150 -fill {} -outline black -width 3]
    list [expr {[.c find overlapping 176 104 177 105] eq {}}] \
	    [expr {[.c find overlapping 187 116 188 117] eq "$xId $yId"}] \
	    [expr {[.c find overlapping 192 142 193 143] eq {}}] \
	    [expr {[.c find overlapping 180 138 181 139] eq "$xId $yId"}] \
	    [expr {[.c find overlapping 61 142 62 143] eq {}}] \
	    [expr {[.c find overlapping 65 137 66 136] eq "$xId $yId"}] \
	    [expr {[.c find overlapping 62 108 63 109] eq {}}] \
	    [expr {[.c find overlapping 68 115 69 116] eq "$xId $yId"}]
} -cleanup {
	.c delete all
} -result {1 1 1 1 1 1 1 1}


test canvRect-9.1 {ScaleRectOval procedure} -setup {
    .c delete withtag all
} -body {
    .c create rect 100 300 200 350 -tags x
    .c scale x 50 100 2 4
    .c coords x
} -result {150.0 900.0 350.0 1100.0}

test canvRect-10.1 {TranslateRectOval procedure} -setup {
    .c delete withtag all
} -body {
    .c create rect 100 300 200 350 -tags x
    .c move x 100 -10
    .c coords x
} -result {200.0 290.0 300.0 340.0}


test canvRect-11.1 {RectOvalToPostscript procedure} -constraints {
     nonPortable macCrash
} -setup {
    .c delete withtag all
} -body {
    # Crashes on Mac because the XGetImage() call isn't implemented, causing a
    # dereference of NULL.
    # This test is non-portable because different color information
	# will get generated on different displays (e.g. mono displays
	# vs. color).
    .c configure -bd 0 -highlightthickness 0
    .c create rect 50 60 90 80 -fill black -stipple gray50 -outline {}
    .c create oval 100 150 200 200 -fill {} -outline #ff0000 -width 5
    update
    set x [.c postscript]
    string range $x [string first "-200 -150 translate" $x] end
} -result {-200 -150 translate
0 300 moveto 400 300 lineto 400 0 lineto 0 0 lineto closepath clip newpath
gsave
50 240 moveto 40 0 rlineto 0 -20 rlineto -40 0 rlineto closepath
0.000 0.000 0.000 setrgbcolor AdjustColor
clip 16 16 <5555aaaa5555aaaa5555aaaa5555aaaa5555aaaa5555aaaa5555aaaa5555
aaaa> StippleFill
grestore
gsave
matrix currentmatrix
150 125 translate 50 25 scale 1 0 moveto 0 0 1 0 360 arc
setmatrix
5 setlinewidth 0 setlinejoin 2 setlinecap
1.000 0.000 0.000 setrgbcolor AdjustColor
stroke
grestore
restore showpage

%%Trailer
end
%%EOF
}

# cleanup
cleanupTests
return