HW #1
<!DOCTYPE HTML>
<html>
<head>
<script>
window.onload = function() {
var canvas = document.getElementById("myCanvas");
var context = canvas.getContext("2d");
////////////////////////////////////// start below this line ˇˇˇˇˇˇˇˇˇˇ
var x=50;
var y=100;
var width = 700
var height= 250;
context.beginPath();
context.rect(x, y, width, height);
context.lineWidth = 10;
//context.fillStyle = 'rgb(0,255,0)';
context.strokeStyle = 'rgb(87,249,255)';
// add linear gradient
var grd = context.createLinearGradient(x, y, x+width, y+height);
// starting color
grd.addColorStop(0, "rgb(158,216,255)");
//intermediate color
grd.addColorStop(0.5, "rgb(255,205,140)");
// ending color
grd.addColorStop(1, "rgb(158,216,255)");
context.fillStyle = grd;
context.fill();
context.fill();
context.stroke();
//context.rect(x, y, width, height); // top left corner x and y coordinates, width and height
// for a square width = height , the width and the height have the same value
////////////////////////////////////// end above this line ˆˆˆˆˆˆˆˆˆˆˆˆˆˆˆ
};
</script>
</head>
<body>
<canvas id="myCanvas" width="800" height="600"></canvas>
</body>
</html>
<!DOCTYPE HTML>
<html>
<head>
<script>
window.onload = function() {
var canvas = document.getElementById("myCanvas");
var context = canvas.getContext("2d");
////////////////////////////////////// start below this line ˇˇˇˇˇˇˇˇˇˇ
//Simple V line in pink
var x= 50;
var y = 100;
var x1 = 300;
var y1 = 450;
var x2 = 400;
var y2 = 300;
var x3 = 500;
var y3 = 450;
var x4 = 750;
var y4 = 100;
//comment
context.beginPath();
context.moveTo(x, y);
context.lineTo(x1, y1); // move to starting coordinates
context.lineTo(x2, y2); // draw line to following point
context. lineTo (x3,y3)
context. lineTo (x4,y4)
context.lineCap = 'round';
context.lineWidth = 10;// declare the width in pixels of the line
context.strokeStyle = 'rgb(255,0,255)'; // or "#FF0000" // declare the line color in rgb or hexadecimal values
context.stroke();
//Line Caps
//context.lineCap = "butt"; // "round" or "square"
//Line Joins
//context.lineJoin = "miter"; // "round" or "bevel"
////////////////////////////////////// end above this line ˆˆˆˆˆˆˆˆˆˆˆˆˆˆˆ
};
</script>
</head>
<body>
<canvas id="myCanvas" width="800" height="600"></canvas>
</body>
</html>
<!DOCTYPE HTML>
<html>
<head>
<script>
window.onload = function() {
var canvas = document.getElementById("myCanvas");
var context = canvas.getContext("2d");
////////////////////////////////////// start below this line ˇˇˇˇˇˇˇˇˇˇ
var rectx2 = 200;
var recty2 = 200;
var rectwidth2 = 200;
var rectheight2 = 200;
//blue and green rectangle2
context.beginPath();
context.rect(rectx2,recty2,rectwidth2,rectheight2);
context.lineWidth = 3;
context.strokeStyle = 'rgb(128,0,0)';
context.fillStyle = 'rgb(0,128,128)';
context.fill();
context.stroke();
////////////////////////////////////// end above this line ˆˆˆˆˆˆˆˆˆˆˆˆˆˆˆ
};
</script
</head>
<body>
<canvas id="myCanvas" width="800" height="600"></canvas>
</body>
</html>
<!DOCTYPE HTML>
<html>
<head>
<script>
window.onload = function() {
var canvas = document.getElementById("myCanvas");
var context = canvas.getContext("2d");
////////////////////////////////////// start below this line ˇˇˇˇˇˇˇˇˇˇ
var x1 =50;
var y1 =50;
var x2 =750;
var y2 =500;
var x3= 300;
var y3= 60;
var x4= 100;
var y4= 500;
var x5= 600;
var y5= 150;
var x6= 550;
var y6= 500;
var x7= 400;
var y7= 75;
var x8= 150;
var y8= 400;
//light blue line
context.beginPath();
context.moveTo(x1,y1);
context.lineTo(x2,y2);
context.lineWidth = 30;
context.strokeStyle = 'rgb(0,250,250)';
context.lineCap = 'round';
context.stroke();
//dark blue line
context.beginPath();
context.moveTo(x3,y3);
context.lineTo(x4,y4);
context.lineWidth = 15;
context.strokeStyle = 'rgb(0,0,250)';
context.lineCap = 'square';
context.stroke();
//orange line
context.beginPath();
context.moveTo(x5,y5);
context.lineTo(x6,y6);
context.lineWidth = 25;
context.strokeStyle = 'rgb(255,165,0)';
context.lineCap = 'butt';
context.stroke();
//green line
context.beginPath();
context.moveTo(x7,y7);
context.lineTo(x8,y8);
context.lineWidth = 8;
context.strokeStyle = 'rgb(85,255,0)';
context.lineCap = 'butt';
context.stroke();
////////////////////////////////////// end above this line ˆˆˆˆˆˆˆˆˆˆˆˆˆˆˆ
};
</script>
</head>
<body>
<canvas id="myCanvas" width="800" height="600"></canvas>
</body>
</html>
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