public override void mouseDrag(PointF p1, PointF p2, PointF p3)
{
float x1 = (p1.X - ImageShow.position.X) / ImageShow.scale;
float y1 = (p1.Y - ImageShow.position.Y) / ImageShow.scale;
float x2 = (p3.X - ImageShow.position.X) / ImageShow.scale;
float y2 = (p3.Y - ImageShow.position.Y) / ImageShow.scale;
ImageShow.editLast(new PointF(x1, y1), new PointF(x2, y2), 0);
}
public override void mouseDrag(PointF p1, PointF p2, PointF p3)
{
float x = (p1.X - ImageShow.position.X) / ImageShow.scale;
float y = (p1.Y - ImageShow.position.Y) / ImageShow.scale;
float xr = (p3.X - ImageShow.position.X) / ImageShow.scale;
float yr = (p3.Y - ImageShow.position.Y) / ImageShow.scale;
ImageShow.editLast(new PointF(x, y), new PointF(x, y), (float)Math.Sqrt((xr - x) * (xr - x) + (yr - y) * (yr - y)));
}
public override void mouseDrag(PointF p1, PointF p2, PointF p3)
{
float x1 = (p1.X - ImageShow.position.X) / ImageShow.scale;
float y1 = (p1.Y - ImageShow.position.Y) / ImageShow.scale;
float x2 = (p3.X - ImageShow.position.X) / ImageShow.scale;
float y2 = (p3.Y - ImageShow.position.Y) / ImageShow.scale;
float xr = x2 - x1;
float yr = y2 - y1;
float r = 0;
if (xr == 0)
{
if (yr >= 0)
{
r = (float)Math.PI / 2;
}
else
{
r = (float)Math.PI / 2 * 3;
}
}
else
{
r = (float)Math.Atan(yr / xr);
if (xr < 0)
{
r += (float)Math.PI;
}
else
{
if (yr < 0)
{
r += (float)Math.PI * 2;
}
}
}
ImageShow.editLast(new PointF(x1, y1), new PointF(x2, y2), r);
}
