private void pictureBoxMain_MouseDown(object sender, MouseEventArgs e)
{
if (state == NO_STATE)
{
// khong nhan su kien mouse down
// khi khong xay ra dieu gi ca
isMouseDown = false;
// khong moving gi ca
isChangingShape = false;
// set bitmap_primary
pictureBoxMain.Image = bitmap_primary;
return;
}
// xu ly truong hop select
if (state == SELECT_STATE)
{
processSelect(e);
return;
}
// khong select thi khong change shape
isChangingShape = false;
// them diem hien tai vao click points
clickedPoints.Add(e.Location);
// click point du dieu kien moi ve
bool flag = false;
switch (state)
{
case LINE_STATE:
flag = MyLine.isClickedPointsCanDrawShape(clickedPoints);
break;
case RECTANGLE_STATE:
flag = MyRectangle.isClickedPointsCanDrawShape(clickedPoints);
break;
case ELLIPSE_STATE:
flag = MyEllipse.isClickedPointsCanDrawShape(clickedPoints);
break;
case POLYGON_STATE:
flag = MyPolygon.isClickedPointsCanDrawShape(clickedPoints);
break;
case CHARACTER_STATE:
flag = MyCharater.isClickedPointsCanDrawShape(clickedPoints);
break;
case PARALLELOGRAM_STATE:
flag = MyParallelogram.isClickedPointsCanDrawShape(clickedPoints);
break;
case BEZIER_STATE:
flag = MyBezier.isClickedPointsCanDrawShape(clickedPoints);
break;
case PARABOL_STATE:
flag = MyParabol.isClickedPointsCanDrawShape(clickedPoints);
break;
case ARC_STATE:
flag = MyArc.isClickedPointsCanDrawShape(clickedPoints);
break;
default:
break;
}
if (flag)
{
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 CHARACTER_STATE:
myShape = new MyCharater(clickedPoints, getFontAttr());
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 primary
pictureBoxMain.Image = bitmap_primary;
myShape.draw(bitmap_primary, pictureBoxMain);
// them vao list shape
addObjToMyShapes(myShape);
}
// reset list click point
clickedPoints.Clear();
// khong bat su kien mouse down nua vi ve xong
isMouseDown = false;
}
// van con mouse down
else
{
// tao shape
MyShape myShape = null;
switch (state)
{
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;
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);
}
// ve chua xong nen tiep tuc bat su kien mouse down
isMouseDown = true;
}
}
public MyCharater(MyCharater _myChar)
: base(_myChar)
{
fontAttr = new FontAttr(_myChar.fontAttr);
brushAttr = new BrushAttr(_myChar.brushAttr);
}