private string sample8(ICanvasRenderingContext2D ctx)
{
for (int i = 0; i < 6; i++)
{
for (int j = 0; j < 6; j++)
{
ctx.strokeStyle = "rgb(0," + Math.Floor(255 - 42.5*i) + ',' +
Math.Floor(255 - 42.5*j) + ')';
ctx.beginPath();
ctx.arc(12.5F + j*25, 12.5F + i*25, 10, 0, Math.PI*2, true);
ctx.stroke();
}
}
return @"Originals\Styles\sample8.png";
}
private string Composite(ICanvasRenderingContext2D ctx, string compositeType)
{
// draw rectangle
ctx.fillStyle = "#09f";
ctx.fillRect(15, 15, 70, 70);
// set composite property
ctx.globalCompositeOperation = compositeType;
// draw circle
ctx.fillStyle = "#f30";
ctx.beginPath();
ctx.arc(75, 75, 35, 0, Math.PI*2, true);
ctx.fill();
ctx.commit();
return @"Originals\Compositions\" + compositeType + ".png";
}
private string sample21(ICanvasRenderingContext2D ctx)
{
ctx.translate(75, 75);
for (int i = 1; i < 6; i++)
{
// Loop through rings (from inside to out)
ctx.save();
ctx.fillStyle = "rgb(" + (51*i) + "," + (255 - 51*i) + ",255)";
for (int j = 0; j < i*6; j++)
{
// draw individual dots
ctx.rotate((float) Math.PI*2/(i*6));
ctx.beginPath();
ctx.arc(0, i*12.5F, 5, 0, Math.PI*2, true);
ctx.fill();
ctx.commit();
}
ctx.restore();
}
return @"Originals\Transformations\sample21.png";
}
private string sample32(ICanvasRenderingContext2D ctx)
{
var lingrad2 = (ILinearCanvasGradient) ctx.createLinearGradient(50, 50, 100, 100);
lingrad2.addColorStop(0.5, "#000");
lingrad2.addColorStop(0.7, "red");
lingrad2.addColorStop(1, "rgba(0,0,0,0)");
ctx.strokeStyle = lingrad2;
ctx.beginPath();
ctx.arc(75, 75, 50, 0, Math.PI*2, true); // Outer circle
ctx.moveTo(110, 75);
ctx.arc(75, 75, 35, 0, Math.PI, false); // Mouth (clockwise)
ctx.moveTo(65, 65);
ctx.arc(60, 65, 5, 0, Math.PI*2, true); // Left eye
ctx.moveTo(95, 65);
ctx.arc(90, 65, 5, 0, Math.PI*2, true); // Right eye
//50, 50, 100, 100
ctx.stroke();
return @"Originals\Gradients\sample32.png";
}
private string sample9(ICanvasRenderingContext2D ctx)
{
// draw background
ctx.fillStyle = "#FD0";
ctx.fillRect(0, 0, 75, 75);
ctx.fillStyle = "#6C0";
ctx.fillRect(75, 0, 75, 75);
ctx.fillStyle = "#09F";
ctx.fillRect(0, 75, 75, 75);
ctx.fillStyle = "#F30";
ctx.fillRect(75, 75, 75, 75);
ctx.fillStyle = "#FFF";
// set transparency value
ctx.globalAlpha = 0.2F;
// Draw semi transparent circles
for (int i = 0; i < 7; i++)
{
ctx.beginPath();
ctx.arc(75, 75, 10 + 10*i, 0, Math.PI*2, true);
ctx.fill();
}
return @"Originals\Styles\sample9.png";
}
private string sample26(ICanvasRenderingContext2D ctx)
{
// Draw shapes
roundedRect(ctx, 12, 12, 150, 150, 15);
roundedRect(ctx, 19, 19, 150, 150, 9);
roundedRect(ctx, 53, 53, 49, 33, 10);
roundedRect(ctx, 53, 119, 49, 16, 6);
roundedRect(ctx, 135, 53, 49, 33, 10);
roundedRect(ctx, 135, 119, 25, 49, 10);
// Character 1
ctx.beginPath();
ctx.arc(37, 37, 13, Math.PI/7.0, -Math.PI/7.0, false);
ctx.lineTo(34, 37);
ctx.fill();
// blocks
for (int i = 0; i < 8; i++)
{
ctx.fillRect(51 + i*16, 35, 4, 4);
}
for (int i = 0; i < 6; i++)
{
ctx.fillRect(115, 51 + i*16, 4, 4);
}
for (int i = 0; i < 8; i++)
{
ctx.fillRect(51 + i*16, 99, 4, 4);
}
// character 2
ctx.beginPath();
ctx.moveTo(83, 116);
ctx.lineTo(83, 102);
ctx.bezierCurveTo(83, 94, 89, 88, 97, 88);
ctx.bezierCurveTo(105, 88, 111, 94, 111, 102);
ctx.lineTo(111, 116);
ctx.lineTo(106.333, 111.333);
ctx.lineTo(101.666, 116);
ctx.lineTo(97, 111.333);
ctx.lineTo(92.333, 116);
ctx.lineTo(87.666, 111.333);
ctx.lineTo(83, 116);
ctx.fill();
ctx.fillStyle = "white";
ctx.beginPath();
ctx.moveTo(91, 96);
ctx.bezierCurveTo(88, 96, 87, 99, 87, 101);
ctx.bezierCurveTo(87, 103, 88, 106, 91, 106);
ctx.bezierCurveTo(94, 106, 95, 103, 95, 101);
ctx.bezierCurveTo(95, 99, 94, 96, 91, 96);
ctx.moveTo(103, 96);
ctx.bezierCurveTo(100, 96, 99, 99, 99, 101);
ctx.bezierCurveTo(99, 103, 100, 106, 103, 106);
ctx.bezierCurveTo(106, 106, 107, 103, 107, 101);
ctx.bezierCurveTo(107, 99, 106, 96, 103, 96);
ctx.fill();
ctx.fillStyle = "black";
ctx.beginPath();
ctx.arc(101, 102, 2, 0, Math.PI*2, true);
ctx.fill();
ctx.beginPath();
ctx.arc(89, 102, 2, 0, Math.PI*2, true);
ctx.fill();
return @"Originals\Curves\sample26.png";
}
private string sample3(ICanvasRenderingContext2D ctx)
{
ctx.beginPath();
ctx.arc(75, 75, 50, 0, Math.PI*2, true); // Outer circle
ctx.moveTo(110, 75);
ctx.arc(75, 75, 35, 0, Math.PI, false); // Mouth (clockwise)
ctx.moveTo(65, 65);
ctx.arc(60, 65, 5, 0, Math.PI*2, true); // Left eye
ctx.moveTo(95, 65);
ctx.arc(90, 65, 5, 0, Math.PI*2, true); // Right eye
ctx.stroke();
return @"Originals\Shapes\sample3.png";
}
private void disc(ICanvasRenderingContext2D ctx, double x, double y, double r, string col)
{
ctx.beginPath();
ctx.moveTo(x, y);
ctx.arc(x, y, r, 0, 2*Math.PI, false);
ctx.fillStyle = col;
ctx.fill();
}
private string Clip(ICanvasRenderingContext2D ctx)
{
ctx.fillStyle = "black";
ctx.fillRect(0, 0, 150, 150);
ctx.translate(75, 75);
// Create a circular clipping path
ctx.beginPath();
ctx.arc(0, 0, 60, 0, Math.PI*2, true);
ctx.clip();
// draw background
var lingrad = (ILinearCanvasGradient) ctx.createLinearGradient(0, -75, 0, 75);
lingrad.addColorStop(0, "#232256");
lingrad.addColorStop(1, "#143778");
ctx.fillStyle = lingrad;
ctx.fillRect(-75, -75, 150, 150);
// draw stars
var r = new Random();
for (int j = 1; j < 50; j++)
{
ctx.save();
ctx.fillStyle = "#fff";
ctx.translate(75 - (int) (r.NextDouble()*150),
75 - (int) (r.NextDouble()*150));
drawStar(ctx, (int) (r.NextDouble()*4 + 2));
ctx.restore();
}
return @"Originals\Shapes\Clip.png";
}
