clock.sh

   1 #!/usr/bin/env bash
   2
   3 (
   4     HL=100
   5     ML=195
   6     SL=195
   7     R=215
   8     ## drawing a clock face
   9     echo "drawingarea1:translate 10000 220 220"
  10     echo "drawingarea1:set_line_cap 10000 round"
  11     echo "drawingarea1:set_source_rgba 10000 black"
  12     echo "drawingarea1:arc 10000 0 0 $R 0 360"
  13     echo "drawingarea1:fill 10000"
  14     # date
  15     echo "drawingarea1:set_font_face 10000 normal bold"
  16     echo "drawingarea1:set_font_size 10000 25"
  17     echo "drawingarea1:set_source_rgba 10000 white"
  18     echo "drawingarea1:move_to 10000 0 30"
  19     echo "drawingarea1:rel_move_for 10010 n Today"
  20     echo "drawingarea1:show_text 10020 Today"
  21     # hour hand
  22     echo "drawingarea1:set_source_rgba 10000 rgba(255,255,0,.8)"
  23     echo "drawingarea1:set_dash 10000"
  24     echo "drawingarea1:set_line_width 10000 30"
  25     echo "drawingarea1:move_to 10000 0 0"
  26     echo "drawingarea1:arc 10030 0 0 $HL -90 -90"
  27     echo "drawingarea1:stroke 10000"
  28     # minute hand
  29     echo "drawingarea1:set_source_rgba 10000 rgba(0,255,0,.7)"
  30     echo "drawingarea1:set_dash 10000"
  31     echo "drawingarea1:set_line_width 10000 25"
  32     echo "drawingarea1:move_to 10000 0 0"
  33     echo "drawingarea1:arc 10040 0 0 $ML -90 -90"
  34     echo "drawingarea1:stroke 10000"
  35     # second hand
  36     echo "drawingarea1:set_source_rgba 10000 cyan"
  37     echo "drawingarea1:set_dash 10000 4 4"
  38     echo "drawingarea1:set_line_width 10000 2"
  39     echo "drawingarea1:move_to 10000 0 0"
  40     echo "drawingarea1:arc 10050 0 0 $SL -90 -90"
  41     echo "drawingarea1:stroke 10000"
  42     ## now turning the hands by replacing some of the commands above
  43     H0=0
  44     M0=0
  45     S0=0
  46     while true; do
  47         D=`date +%F`
  48         H=$(((`date +"%s"`/1200%72*10)+270+720))
  49         M=$(((`date +"%s"`/20%180*2)+270+360))
  50         S=$((((`date +"%s"`%60)*6)+270))
  51         # date and hour hand
  52         if [[ H -ne H0 ]]; then
  53             echo "drawingarea1:rel_move_for =10010 n $D"
  54             echo "drawingarea1:show_text =10020 $D"
  55             echo "drawingarea1:arc =10030 0 0 $HL $H $H"
  56             H0=$H
  57         fi
  58         # minute hand
  59         if [[ M -ne M0 ]]; then
  60             echo "drawingarea1:arc =10040 0 0 $ML $M $M"
  61             M0=$M
  62         fi
  63         # second hand
  64         echo "drawingarea1:arc =10050 0 0 $SL $S $S"
  65         S0=$S
  66         sleep 1
  67     done
  68 ) | ./pipeglade -u clock.ui