Archiving a bunch of old stuff

2015-06-22 13:15:42 -05:00
parent a6ec1d560e
commit bd1abd8734
395 changed files with 1 additions and 76 deletions
--- a/oldstuff/html5/canvas/mdn-tutorial.html
+++ b/oldstuff/html5/canvas/mdn-tutorial.html
@@ -0,0 +1,102 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>MDN Canvas Tutorial</title>
+    <style type="text/css">
+      canvas {
+        border: 1px solid black;
+      }
+    </style>
+  </head>
+  <body>
+    <canvas id="tut0" width="150" height="150"></canvas>
+    <canvas id="tut1" width="150" height="150"></canvas>
+    <canvas id="tut2" width="150" height="150"></canvas>
+    <canvas id="tut3" width="150" height="150"></canvas>
+    <canvas id="tut4" width="150" height="200"></canvas>
+
+    <script type="text/javascript">
+      var drawings = {};
+
+      drawings.draw0 = function () {
+        var ctx = document.getElementById('tut0').getContext('2d');
+
+        ctx.fillStyle = 'rgb(200, 0, 0)';
+        ctx.fillRect(10, 10, 55, 50);
+
+        ctx.fillStyle = 'rgba(0, 0, 200, 0.5)';
+        ctx.fillRect(30, 30, 55, 50);
+      };
+
+      drawings.draw1 = function() {
+        var ctx = document.getElementById('tut1').getContext('2d');
+
+        ctx.fillRect(25, 25, 100, 100);
+        ctx.clearRect(45, 45, 60, 60);
+        ctx.strokeRect(50, 50, 50, 50);
+      };
+
+      drawings.draw2 = function() {
+        var ctx = document.getElementById('tut2').getContext('2d');
+
+        ctx.beginPath();
+        ctx.arc(75, 75, 50, 0, Math.PI*2, true);
+        ctx.moveTo(110, 75);
+        ctx.arc(75, 75, 35, 0, Math.PI, false);
+        ctx.moveTo(65, 65);
+        ctx.arc(60, 65, 5, 0, Math.PI*2, true);
+        ctx.moveTo(95, 65);
+        ctx.arc(90, 65, 5, 0, Math.PI*2, true);
+        ctx.stroke();
+      };
+
+      drawings.draw3 = function() {
+        var ctx = document.getElementById('tut3').getContext('2d');
+
+        ctx.beginPath();
+        ctx.moveTo(25, 25);
+        ctx.lineTo(105, 25);
+        ctx.lineTo(25, 105);
+        ctx.fill();
+
+        ctx.beginPath();
+        ctx.moveTo(125, 125);
+        ctx.lineTo(125, 45);
+        ctx.lineTo(45, 125);
+        ctx.closePath();
+        ctx.stroke();
+      };
+
+      drawings.draw4 = function() {
+        var ctx = document.getElementById('tut4').getContext('2d');
+
+        for(var i=0; i<4; i++) {
+          for(var j=0; j<3; j++) {
+            ctx.beginPath();
+            var x = 25+j*50,
+                y = 25+i*50,
+                radius = 20,
+                startAngle = 0,
+                endAngle = Math.PI+(Math.PI*j)/2,
+                anticlockwise = i%2==0 ? false : true;
+
+            ctx.arc(x, y, radius, startAngle, endAngle, anticlockwise);
+
+            if (i > 1) {
+              ctx.fill();
+            } else {
+              ctx.stroke();
+            }
+          }
+        }
+      };
+
+      window.addEventListener('load', function() {
+        for(funcname in drawings) {
+          console.log("Calling %s", funcname);
+          drawings[funcname]();
+        }
+      }, false);
+    </script>
+  </body>
+</html>