public void lineTo(Point Point, Model.Canvas Canvas)
{
if (Canvas.isLineInClippingArea(Point))
{
int x, y, t, deltaX, deltaY, incrementX, incrementY, pdx, pdy, ddx, ddy, es, el, err;
deltaX = Point.X - Canvas.getPencil().getPosition().X;
deltaY = Point.Y - Canvas.getPencil().getPosition().Y;
incrementX = Math.Sign(deltaX);
incrementY = Math.Sign(deltaY);
if (deltaX < 0)
{
deltaX = -deltaX;
}
if (deltaY < 0)
{
deltaY = -deltaY;
}
if (deltaX > deltaY)
{
pdx = incrementX; pdy = 0;
ddx = incrementX; ddy = incrementY;
es = deltaY; el = deltaX;
}
else
{
pdx = 0; pdy = incrementY;
ddx = incrementX; ddy = incrementY;
es = deltaX; el = deltaY;
}
x = Canvas.getPencil().getPosition().X;
y = Canvas.getPencil().getPosition().Y;
err = el / 2;
this.point(new Model.Pixel(new Point(x, y), Canvas.getColor()), Canvas);
for (t = 0; t < el; ++t)
{
err -= es;
if (err < 0)
{
err += el;
x += ddx;
y += ddy;
}
else
{
x += pdx;
y += pdy;
}
this.point(new Model.Pixel(new Point(x, y), Canvas.getColor()), Canvas);
}
}
else
{
moveTo(Point, Canvas);
}
}
private Model.Pixel getAbsolutePixel(Model.Pixel Pixel, Model.Canvas Canvas)
{
int x = Canvas.getPencil().getPosition().X + Pixel.getPosition().X;
int y = Canvas.getPencil().getPosition().Y + Pixel.getPosition().Y;
Pixel.setPosition(new Point(x, y));
return(Pixel);
}
public void text(string text, Model.Canvas Canvas, Model.Font Font)
{
char[] chars = text.ToCharArray();
Point PencilStartPosition = Canvas.getPencil().getPosition();
for (int i = 0; i < chars.Length; i++)
{
if (i != 0)
{
moveTo(new Point((i * Font.getDimension().width + PencilStartPosition.X), PencilStartPosition.Y), Canvas);
}
bitmap(Font.getGlyph(chars[i]), Canvas);
}
}
public void moveTo(Point Point, Model.Canvas Canvas)
{
Canvas.getPencil().setPosition(Point);
}