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#---------------------------------------------------------------
# File : LogoZinc.pm
#
# Copyright (C) 2001-2002
# Centre d'Études de la Navigation Aérienne
# Authors: Vinot Jean-Luc <vinot@cena.fr>
# $Id$
#---------------------------------------------------------------
package provide zincLogo 1.0
namespace eval ::zincLogo:: {
set letters(coords) {
{0 0} {106 0} {106 58} {122 41} {156 41} {131 69}
{153 99} {203 41} {155 41} {155 0} {218 0} {240 0 c}
{252 17 c} {252 34} {252 40 c} {249 50 c} {244 56}
{202 105} {246 105} {246 87} {246 60 c} {271 37 c} {297 37}
{323 37 c} {342 57 c} {344 68} {347 64 c} {350 60 c}
{353 56} {363 46 c} {375 37 c} {395 37} {395 79} {393 79}
{385 79 c} {379 86 c} {379 93} {379 100 c} {385 107 c}
{393 107} {409 107} {409 148} {397 148} {378 148 c} {364 144 c}
{354 133} {346 124} {346 148} {305 148} {305 87} {305 83 c}
{301 79 c} {297 79} {293 79 c} {289 83 c} {289 87} {289 150}
{251 150} {251 130} {251 126 c} {247 122 c} {243 122} {239 122 c}
{235 126 c} {235 130} {235 150} {176 150} {154 150 c} {146 131 c}
{146 114} {148 105} {120 105} {104 81} {104 105} {74 105} {74 41} {52 41}
{52 105} {20 105} {20 41} {0 41}}
set letters(lineWidth) 3
set letters(lineColor) {#000000;80}
set letters(fillColor) {=axial 270|#ffffff;100 0 28|#66848c;100 96|#7192aa;100 100}
set letters(shadow,dXy) {6 6}
set letters(shadow,fillColor) {#000000;18}
set point(pos) {240 96}
set point(alpha) 80
set point(lineWidth) 1
set point(lineColor) {#a10000;100}
set point(fillColor) {=radial -20 -20|#ffffff;100 0|#f70000;100 48|#900000;100 80|#ab0000;100 100}
set point(shadow,dXy) {5 5}
set point(shadow,fillColor) {=path 0 0|#770000;64 0|#770000;64 65|#770000;0 100}
proc create {zinc parent priority x y scaleX scaleY} {
variable letters
variable point
#
# Create a group to hold the various parts
set logoGroup [$zinc add group $parent -priority $priority]
#
# Move the group in the right place
$zinc coords $logoGroup "$x $y"
#
# Add a sub-group to isolate the scaling
set scaleGroup [$zinc add group $logoGroup]
$zinc scale $scaleGroup $scaleX $scaleY
foreach {dx dy} $letters(shadow,dXy) break
#
# Create a curve for the main form shadow
set lShadow [$zinc add curve $scaleGroup $letters(coords) \
-tags lettersShadow -closed 1 -filled 1 -linewidth 0 \
-fillcolor $letters(shadow,fillColor)]
$zinc translate $lShadow $dx $dy
set lineWidth [adjustLineWidth $letters(lineWidth) $scaleX $scaleY]
#
# Create a curve for the main form
$zinc add curve $scaleGroup $letters(coords) -tags letters -closed 0 \
-filled 1 -fillcolor $letters(fillColor) -linewidth $lineWidth \
-linecolor $letters(lineColor)
#
# Create a group to hold the point and its shadow
set pointGroup [$zinc add group $scaleGroup -alpha $point(alpha)]
$zinc coords $pointGroup $point(pos)
foreach {dx dy} $point(shadow,dXy) break
#
# Create a curve for the dot shadow
set pShadow [$zinc add arc $pointGroup {-20 -20 20 20} -tags pointShadow \
-closed 1 -filled 1 -fillcolor $point(shadow,fillColor) \
-linewidth 0]
$zinc translate $pShadow $dx $dy
#
# Create a curve for the dot
$zinc add arc $pointGroup {-20 -20 20 20} -tags point -closed 1 \
-filled 1 -fillcolor $point(fillColor) -linewidth $point(lineWidth) \
-linecolor $point(lineColor)
return $logoGroup
}
proc adjustLineWidth {lineWidth scaleX scaleY} {
if {$lineWidth != 0} {
if {$lineWidth >= 2} {
set ratio [expr ($scaleX > $scaleY) ? $scaleY : $scaleX]
return [expr $lineWidth * $ratio]
}
}
}
}
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