private void pictureBoxMain_MouseMove(object sender, MouseEventArgs e)
{
if (state == SELECT_STATE)
{
if (isChangingShape)
{
processChanging(e);
}
return;
}
// neu khong con mouse down thi khong ve nua
if (!isMouseDown)
{
return;
}
// them diem hien tai vao click points
clickedPoints.Add(e.Location);
// tao shape
MyShape myShape = null;
switch (state)
{
case LINE_STATE:
myShape = new MyLine(getPenAttr(), clickedPoints);
break;
case RECTANGLE_STATE:
myShape = new MyRectangle(getPenAttr(), clickedPoints);
break;
case ELLIPSE_STATE:
myShape = new MyEllipse(getPenAttr(), clickedPoints);
break;
case POLYGON_STATE:
myShape = new MyPolygon(getPenAttr(), clickedPoints);
break;
case PARALLELOGRAM_STATE:
myShape = new MyParallelogram(getPenAttr(), clickedPoints);
break;
case BEZIER_STATE:
myShape = new MyBezier(getPenAttr(), clickedPoints);
break;
case PARABOL_STATE:
myShape = new MyParabol(getPenAttr(), clickedPoints);
break;
case ARC_STATE:
myShape = new MyArc(getPenAttr(), clickedPoints);
break;
default:
break;
}
if (myShape != null)
{
// ve tren bitmap_temp
bitmap_temp = (Bitmap)bitmap_primary.Clone();
pictureBoxMain.Image = bitmap_temp;
myShape.draw(bitmap_temp, pictureBoxMain);
myShape.drawEdgePoints(bitmap_temp, pictureBoxMain);
}
// remove vi tri vua ve
// vi day chi la mouse move tam thoi
clickedPoints.RemoveAt(clickedPoints.Count - 1);
}
