private void canvas_Paint(object sender, PaintEventArgs e)
{
ShapesDrawnLabel.Text = _shapes.Count.ToString();
FastBitmap fastBitmap = new FastBitmap(new Bitmap(canvas.Width, canvas.Height, e.Graphics), false);
PaintTools paintTools = new PaintTools(canvas, fastBitmap, e.Graphics);
_DrawGrid(paintTools);
_DrawShapes(paintTools);
}
//private void canvas_PreviewKeyDown(object sender, PreviewKeyDownEventArgs e)
//{
// switch (e.KeyCode)
// {
// case Keys.Down:
// case Keys.Up:
// e.IsInputKey = true;
// break;
// }
//}
private void _DrawShapes(PaintTools paintTools)
{
foreach (Shape shape in _shapes)
{
shape.DrawFilling(paintTools);
}
paintTools.Graphics.DrawImage(paintTools.Bitmap.GetBitmap(), new Point(0, 0));
foreach (Shape shape in _shapes)
{
shape.DrawContours(paintTools);
}
}
private void _DrawGrid(PaintTools paintTools)
{
int numOfCells = 50, cellSize = 30;
for (int y = 0; y < numOfCells; ++y)
{
Segment segment = new Segment(new PointD(0, y * cellSize),
new PointD(numOfCells * cellSize, y * cellSize),
_meshPen.Color);
segment.Draw(paintTools);
}
for (int x = 0; x < numOfCells; ++x)
{
Segment segment = new Segment(new PointD(x * cellSize, 0),
new PointD(x * cellSize, numOfCells * cellSize),
_meshPen.Color);
segment.Draw(paintTools);
}
}