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-# these simple samples have been developped by C. Mertz mertz@cena.fr in perl
-# tcl version by Jean-Paul Imbert imbert@cena.fr
-
-if {![info exists zincDemo]} {
- error "This script should be run from the zinc-widget demo."
-}
-
-namespace eval colorCircular {
- variable w .colorCircular
- catch {destroy $w}
- toplevel $w
- wm title $w "Zinc Color Circular Demonstration"
- wm iconname $w "Color Circular"
-
- grid [button $w.dismiss -text Dismiss -command "destroy $w"] -row 2 -column 0 -pady 10
- grid [button $w.code -text "See Code" -command "showCode $w"] -row 2 -column 1 -pady 10
-
- variable defaultfont [font create -family Helvetica -size 14 -weight normal]
-
- grid [zinc $w.zinc -width 700 -height 600 -borderwidth 3 -relief sunken -render 1] \
- -row 1 -column 0 -columnspan 2 -sticky news
- grid columnconfigure $w 0 -weight 1
- grid columnconfigure $w 1 -weight 1
- grid rowconfigure $w 1 -weight 2
-
- $w.zinc add rectangle 1 {10 10 80 80} -fillcolor {=radial 50 50|red|blue} -filled 1
- $w.zinc add text 1 -font $defaultfont -text {Radial variation from non-transparent red to non-transparent blue in a square.
-The gradient starts in the lower right corner.} -anchor nw -position {120 20}
-
- $w.zinc add arc 1 {10 110 90 190} -fillcolor {=radial 0 25|red;40|blue;40} -filled 1
-
- $w.zinc add text 1 -font $defaultfont -text {Radial variation from 40% transparent red to 40% transparent blue in a disc.
-The gradient starts mid way between the center and the bottom.} \
- -anchor nw -position {120 120}
-
- $w.zinc add arc 1 {10 210 90 290} -fillcolor {=radial 0 0|red;40|green;40 50|blue;40} -filled 1
-
- $w.zinc add text 1 -font $defaultfont -text {A variation from 40% transparent red to 40% transparent blue
-through 40% green in the middle of the disc. The gradient is centered.} \
- -anchor nw -position {120 220}
-
- $w.zinc add text 1 -font $defaultfont -anchor w -position {20 320} \
- -text {Two overlapping items filled by a transparent radial gradient on a white background.
-On the right three gradient filled ovals, note the warped gradients following the ovals.}
-
- $w.zinc add rectangle 1 {10 340 690 590} -fillcolor white -filled 1
-
- $w.zinc add rectangle 1 {20 365 220 565} -fillcolor {=radial 0 0|red;40|green;40 50|blue;40} -filled 1
-
- $w.zinc add arc 1 {150 365 350 565} -fillcolor {=radial 0 0|yellow;40|black;40 50|cyan;40} -filled 1
-
- $w.zinc add arc 1 {280 365 480 565} -fillcolor {=radial 0 0|black;100|black;100 20|mistyrose;40} -filled 1 -linewidth 0
-
- variable warc [$w.zinc add arc 1 {-50 -50 50 50} \
- -fillcolor {=radial -10 16|black;80|blue;20 90 100} -filled 1]
- $w.zinc scale $warc 1.5 1
- $w.zinc translate $warc 500 432
-
- variable warc [$w.zinc add arc 1 {-50 -50 50 50} \
- -fillcolor {=radial 0 20|black;70|green;20} -filled 1]
- $w.zinc scale $warc 1 1.5
- $w.zinc translate $warc 630 432
-}