static void TestFillPie()
{
Canvas canvas = new Canvas(showForm1.CreateGraphics());
Painter painter = new Painter(canvas);
Brush blueBrush = new SolidBrush(Color.Blue);
Rectangle fanRect = new Rectangle(100, 100, 50, 50);
painter.FillPie(blueBrush, fanRect, 0, 60);
canvas.g = null;
}
static void TestDrawRectangle()
{
Canvas canvas = new Canvas(showForm1.CreateGraphics());
Painter painter = new Painter(canvas);
Pen pen = new Pen(Color.Blue);
Rectangle rect = new Rectangle(200, 200, 50, 50);
painter.DrawRectangle(pen, rect);
canvas.g = null;
}
static void TestDrawPolygon()
{
Canvas canvas = new Canvas(showForm1.CreateGraphics());
Painter painter = new Painter(canvas);
Pen pen = new Pen(Color.Blue);
Point[] points = { new Point(10, 10), new Point(100, 100), new Point(10, 200) };
painter.DrawPolygon(pen, points);
canvas.g = null;
}
static void TestDrawOnBitmap()
{
showForm2 = new Form();
showForm2.Width = 600;
showForm2.Height = 600;
showForm2.Show();
//draw on bitmap
Bitmap b = new Bitmap(400, 400);
Canvas canvas = new Canvas(Graphics.FromImage(b));
Painter painter = new Painter(canvas);
//draw a line
Pen pen = new Pen(Color.Red, 1);
pen.DashStyle = DashStyle.DashDotDot;
painter.DrawLine(pen, 5, 5, 100, 100);
//draw a pie
LinearGradientBrush mylbrush = new LinearGradientBrush(new Rectangle(20, 80, 250, 100),
Color.DarkOrange, Color.Aquamarine,
LinearGradientMode.BackwardDiagonal);
Rectangle fanRect = new Rectangle(100, 100,200, 200);
painter.FillPie(mylbrush, fanRect, 0, 60);
//show a bitmap onto pictureBox
PictureBox pictureBox = new PictureBox();
pictureBox.Size = new Size(500,500);
pictureBox.BorderStyle = BorderStyle.FixedSingle;
showForm2.Controls.Add(pictureBox);
pictureBox.Image = Image.FromHbitmap(b.GetHbitmap());
pictureBox.Refresh();
canvas.g = null;
}
static void TestDrawLine()
{
Canvas canvas = new Canvas(showForm1.CreateGraphics());
Painter painter = new Painter(canvas);
Pen pen = new Pen(Color.Red, 2.5f);
painter.DrawLine(pen, 5, 5, 100, 100);
canvas.g = null;
}
static void TestClear()
{
Canvas canvas = new Canvas(showForm1.CreateGraphics());
Painter painter = new Painter(canvas);
painter.Clear(showForm1.BackColor);
canvas.g = null;
}
