util/examples/script/context2d/scripts/rgba.js
author eckhart.koppen@nokia.com
Wed, 31 Mar 2010 11:06:36 +0300
changeset 7 f7bc934e204c
permissions -rw-r--r--
5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
7
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
     1
var ctx = document.getElementById('tutorial').getContext('2d');
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
     2
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
     3
  // Draw background
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
     4
  ctx.fillStyle = 'rgb(255,221,0)';
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
     5
  ctx.fillRect(0,0,150,37.5);
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
     6
  ctx.fillStyle = 'rgb(102,204,0)';
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
     7
  ctx.fillRect(0,37.5,150,37.5);
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
     8
  ctx.fillStyle = 'rgb(0,153,255)';
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
     9
  ctx.fillRect(0,75,150,37.5);
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    10
  ctx.fillStyle = 'rgb(255,51,0)';
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    11
  ctx.fillRect(0,112.5,150,37.5);
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    12
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    13
  // Draw semi transparent rectangles
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    14
  for (i=0;i<10;i++){
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    15
    ctx.fillStyle = 'rgba(255,255,255,'+(i+1)/10+')';
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    16
    for (j=0;j<4;j++){
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    17
      ctx.fillRect(5+i*14,5+j*37.5,14,27.5)
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    18
    }
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b
eckhart.koppen@nokia.com
parents:
diff changeset
    19
  }