This file is indexed.

/usr/share/tcltk/tklib0.6/plotchart/plotbusiness.tcl is in tklib 0.6-3.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
# plotbusiness.tcl --
#    Facilities aimed at business type charts
#
# Note:
#    This source file contains the private functions for various
#    business type charts.
#    It is the companion of "plotchart.tcl"
#

# Config3DBar --
#    Configuration options for the 3D barchart
# Arguments:
#    w           Name of the canvas
#    args        List of arguments
# Result:
#    None
# Side effects:
#    Items that are already visible will be changed to the new look
#
proc ::Plotchart::Config3DBar { w args } {
    variable settings

    foreach {option value} $args {
        set option [string range $option 1 end]
        set settings($w,$option) $value

        switch -- $option {
            "usebackground" {
                if { $value } {
                    $w itemconfigure background -fill grey65 -outline black
                } else {
                    $w itemconfigure background -fill {} -outline {}
                }
            }
            "useticklines" {
                if { $value } {
                    $w itemconfigure ticklines -fill black
                } else {
                    $w itemconfigure ticklines -fill {}
                }
            }
            "showvalues" {
                if { $value } {
                    $w itemconfigure values -fill $settings($w,valuecolour)
                } else {
                    $w itemconfigure values -fill {}
                }
            }
            "valuecolour" - "valuecolor" {
                set settings($w,valuecolour) $value
                set settings($w,valuecolor)  $value
                $w itemconfigure values -fill $settings($w,valuecolour)
            }
            "valuefont" {
                set settings($w,valuefont) $value
                $w itemconfigure labels -font $settings($w,valuefont)
            }
            "labelcolour" - "labelcolor" {
                set settings($w,labelcolour) $value
                set settings($w,labelcolor)  $value
                $w itemconfigure labels -fill $settings($w,labelcolour)
            }
            "labelfont" {
                set settings($w,labelfont) $value
                $w itemconfigure labels -font $settings($w,labelfont)
            }
        }
    }
}

# Draw3DBarchart --
#    Draw the basic elements of the 3D barchart
# Arguments:
#    w           Name of the canvas
#    yscale      Minimum, maximum and step for the y-axis
#    nobars      Number of bars
# Result:
#    None
# Side effects:
#    Default settings are introduced
#
proc ::Plotchart::Draw3DBarchart { w yscale nobars } {
    variable settings
    variable scaling

    #
    # Default settings
    #
    set settings($w,labelfont)     "fixed"
    set settings($w,valuefont)     "fixed"
    set settings($w,labelcolour)   "black"
    set settings($w,valuecolour)   "black"
    set settings($w,usebackground) 0
    set settings($w,useticklines)  0
    set settings($w,showvalues)    1

    #
    # Horizontal positioning parameters
    #
    set scaling($w,xbase)    0.0
    set scaling($w,xshift)   0.2
    set scaling($w,barwidth) 0.6

    #
    # Shift the vertical axis a bit
    #
    $w move yaxis -10 0
    #
    # Draw the platform and the walls
    #
    set x1 $scaling($w,pxmin)
    set x2 $scaling($w,pxmax)
    foreach {dummy y1} [coordsToPixel $w $scaling($w,xmin) 0.0] {break}

    set x1 [expr {$x1-10}]
    set x2 [expr {$x2+10}]
    set y1 [expr {$y1+10}]

    set y2 [expr {$y1-30}]
    set x3 [expr {$x1+30}]
    set y3 [expr {$y1-30}]
    set x4 [expr {$x2-30}]
    set y4 $y1

    $w create polygon $x1 $y1 $x3 $y3 $x2 $y2 $x4 $y4 -fill gray65 -tag platform \
	-outline black

    set xw1 $x1
    foreach {dummy yw1} [coordsToPixel $w 0.0 $scaling($w,ymin)] {break}
    set xw2 $x1
    foreach {dummy yw2} [coordsToPixel $w 0.0 $scaling($w,ymax)] {break}

    set xw3 $x3
    set yw3 [expr {$yw2-30}]
    set xw4 $x3
    set yw4 [expr {$yw1-30}]

    $w create polygon $xw1 $yw1 $xw2 $yw2 $xw3 $yw3 $xw4 $yw4 \
        -outline black -fill gray65 -tag background

    set xw5 $x2
    $w create polygon $xw3 $yw3 $xw5 $yw3 $xw5 $yw4 $xw3 $yw4 \
        -outline black -fill gray65 -tag background

    #
    # Draw the ticlines (NOTE: Something is wrong here!)
    #
    #   foreach {ymin ymax ystep} $yscale {break}
    #   if { $ymin > $ymax } {
    #       foreach {ymax ymin ystep} $yscale {break}
    #       set ystep [expr {abs($ystep)}]
    #   }
    #   set yv $ymin
    #   while { $yv < ($ymax-0.5*$ystep) } {
    #       foreach {dummy pyv} [coordsToPixel $w $scaling($w,xmin) $yv] {break}
    #       set pyv1 [expr {$pyv-5}]
    #       set pyv2 [expr {$pyv-35}]
    #       $w create line $xw1 $pyv1 $xw3 $pyv2 $xw5 $pyv2 -fill black -tag ticklines
    #       set yv [expr {$yv+$ystep}]
    #   }

    Config3DBar $w -usebackground 0 -useticklines 0
}

# Draw3DBar --
#    Draw a 3D bar in a barchart
# Arguments:
#    w           Name of the canvas
#    label       Label for the bar
#    yvalue      The height of the bar
#    fill        The colour of the bar
# Result:
#    None
# Side effects:
#    The bar is drawn, the display order is adjusted
#
proc ::Plotchart::Draw3DBar { w label yvalue fill } {
    variable settings
    variable scaling

    set xv1 [expr {$scaling($w,xbase)+$scaling($w,xshift)}]
    set xv2 [expr {$xv1+$scaling($w,barwidth)}]

    foreach {x0 y0} [coordsToPixel $w $xv1 0.0]     {break}
    foreach {x1 y1} [coordsToPixel $w $xv2 $yvalue] {break}

    if { $yvalue < 0.0 } {
        foreach {y0 y1} [list $y1 $y0] {break}
        set tag d
    } else {
        set tag u
    }

    set d [expr {($x1-$x0)/3}]
    set x2 [expr {$x0+$d+1}]
    set x3 [expr {$x1+$d}]
    set y2 [expr {$y0-$d+1}]
    set y3 [expr {$y1-$d-1}]
    set y4 [expr {$y1-$d-1}]
    $w create rect $x0 $y0 $x1 $y1 -fill $fill -tag $tag
    $w create poly $x0 $y1 $x2 $y4 $x3 $y4 $x1 $y1 -fill [DimColour $fill 0.8] -outline black -tag u
    $w create poly $x1 $y1 $x3 $y3 $x3 $y2 $x1 $y0 -fill [DimColour $fill 0.6] -outline black -tag $tag

    #
    # Add the text
    #
    if { $settings($w,showvalues) } {
        $w create text [expr {($x0+$x3)/2}] [expr {$y3-5}] -text $yvalue \
            -font $settings($w,valuefont) -fill $settings($w,valuecolour) \
            -anchor s
    }
    $w create text [expr {($x0+$x3)/2}] [expr {$y0+8}] -text $label \
        -font $settings($w,labelfont) -fill $settings($w,labelcolour) \
        -anchor n

    #
    # Reorder the various bits
    #
    $w lower u
    $w lower platform
    $w lower d
    $w lower ticklines
    $w lower background

    #
    # Move to the next bar
    #
    set scaling($w,xbase) [expr {$scaling($w,xbase)+1.0}]
}

# DimColour --
#    Compute a dimmer colour
# Arguments:
#    color       Original colour
#    factor      Factor by which to reduce the colour
# Result:
#    New colour
# Note:
#    Shamelessly copied from R. Suchenwirths Wiki page on 3D bars
#
proc ::Plotchart::DimColour {color factor} {
    foreach i {r g b} n [winfo rgb . $color] d [winfo rgb . white] {
	#checker exclude warnVarRef
	set $i [expr {int(255.*$n/$d*$factor)}]
    }
    #checker exclude warnUndefinedVar
    format #%02x%02x%02x $r $g $b
}

# GreyColour --
#    Compute a greyer colour
# Arguments:
#    color       Original colour
#    factor      Factor by which to mix in grey
# Result:
#    New colour
# Note:
#    Shamelessly adapted from R. Suchenwirths Wiki page on 3D bars
#
proc ::Plotchart::GreyColour {color factor} {
    foreach i {r g b} n [winfo rgb . $color] d [winfo rgb . white] e [winfo rgb . lightgrey] {
	#checker exclude warnVarRef
	set $i [expr {int(255.*($n*$factor+$e*(1.0-$factor))/$d)}]
    }
    #checker exclude warnUndefinedVar
    format #%02x%02x%02x $r $g $b
}

# Draw3DLine --
#    Plot a ribbon of z-data as a function of y
# Arguments:
#    w           Name of the canvas
#    data        List of coordinate pairs y, z
#    colour      Colour to use
# Result:
#    None
# Side effect:
#    The plot of the data
#
proc ::Plotchart::Draw3DLine { w data colour } {
    variable data_series
    variable scaling

    set bright $colour
    set dim    [DimColour $colour 0.6]

    #
    # Draw the ribbon as a series of quadrangles
    #
    set xe $data_series($w,xbase)
    set xb [expr {$xe-$data_series($w,xwidth)}]

    set data_series($w,xbase) [expr {$xe-$data_series($w,xstep)}]

    foreach {yb zb} [lrange $data 0 end-2] {ye ze} [lrange $data 2 end] {

        foreach {px11 py11} [coords3DToPixel $w $xb $yb $zb] {break}
        foreach {px12 py12} [coords3DToPixel $w $xe $yb $zb] {break}
        foreach {px21 py21} [coords3DToPixel $w $xb $ye $ze] {break}
        foreach {px22 py22} [coords3DToPixel $w $xe $ye $ze] {break}

        #
        # Use the angle of the line to determine if the top or the
        # bottom side is visible
        #
        if { $px21 == $px11 ||
             ($py21-$py11)/($px21-$px11) < ($py12-$py11)/($px12-$px11) } {
            set colour $dim
        } else {
            set colour $bright
        }

        $w create polygon $px11 $py11 $px21 $py21 $px22 $py22 \
	    $px12 $py12 $px11 $py11 \
	    -fill $colour -outline black
    }
}

# Draw3DArea --
#    Plot a ribbon of z-data as a function of y with a "facade"
# Arguments:
#    w           Name of the canvas
#    data        List of coordinate pairs y, z
#    colour      Colour to use
# Result:
#    None
# Side effect:
#    The plot of the data
#
proc ::Plotchart::Draw3DArea { w data colour } {
    variable data_series
    variable scaling

    set bright $colour
    set dimmer [DimColour $colour 0.8]
    set dim    [DimColour $colour 0.6]

    #
    # Draw the ribbon as a series of quadrangles
    #
    set xe $data_series($w,xbase)
    set xb [expr {$xe-$data_series($w,xwidth)}]

    set data_series($w,xbase) [expr {$xe-$data_series($w,xstep)}]

    set facade {}

    foreach {yb zb} [lrange $data 0 end-2] {ye ze} [lrange $data 2 end] {

        foreach {px11 py11} [coords3DToPixel $w $xb $yb $zb] {break}
        foreach {px12 py12} [coords3DToPixel $w $xe $yb $zb] {break}
        foreach {px21 py21} [coords3DToPixel $w $xb $ye $ze] {break}
        foreach {px22 py22} [coords3DToPixel $w $xe $ye $ze] {break}

        $w create polygon $px11 $py11 $px21 $py21 $px22 $py22 \
	    $px12 $py12 $px11 $py11 \
	    -fill $dimmer -outline black

        lappend facade $px11 $py11
    }

    #
    # Add the last point
    #
    lappend facade $px21 $py21

    #
    # Add the polygon at the right
    #
    set zmin $scaling($w,zmin)
    foreach {px2z py2z} [coords3DToPixel $w $xe $ye $zmin] {break}
    foreach {px1z py1z} [coords3DToPixel $w $xb $ye $zmin] {break}

    $w create polygon $px21 $py21 $px22 $py22 \
	$px2z $py2z $px1z $py1z \
	-fill $dim -outline black

    foreach {pxb pyb} [coords3DToPixel $w $xb $ye $zmin] {break}

    set yb [lindex $data 0]
    foreach {pxe pye} [coords3DToPixel $w $xb $yb $zmin] {break}

    lappend facade $px21 $py21 $pxb $pyb $pxe $pye

    $w create polygon $facade -fill $colour -outline black
}