public void Swap(int indexA, int indexB)
{
ObjectDrawing Temp = _list[indexA];
_list[indexA] = _list[indexB];
_list[indexB] = Temp;
}
private void ChooseObject()
{
switch (objectChoose)
{
case "pencil":
Shape = new PenDrawing(color, penWidth);
break;
case "eraser":
Shape = new EraserDrawing(penWidth);
break;
case "rectangle":
Shape = new RectangleDrawing(color, penWidth);
break;
case "circle":
Shape = new CircleDrawing(color, penWidth);
break;
case "star":
Shape = new StarDrawing(color, penWidth);
break;
case "line":
Shape = new LineDrawing(color, penWidth);
break;
case "triangle":
Shape = new TriangleDrawing(color, penWidth);
break;
case "rhombus":
Shape = new RhombusDrawing(color, penWidth);
break;
case "pentagon":
Shape = new PentagonDrawing(color, penWidth);
break;
case "hexagon":
Shape = new HexagonDrawing(color, penWidth);
break;
case "crop":
{
Shape = new CropRectangle();
isCrop = true;
}
break;
default:
objectChoose = "none";
Shape = new NoneShapeDrawing();
break;
}
}
public bool isExist(ObjectDrawing shape)
{
for (int i = 0; i < _list.Count; i++)
{
if (shape.getColor() == _list[i].getColor() && shape.getMouseClick() == _list[i].getMouseClick())
{
return(true);
}
}
return(false);
}
private void picPaint_MouseUp(object sender, MouseEventArgs e)
{
if (objectChoose == "pencil" || objectChoose == "eraser")
{
Shape = null;
status = DRAW_STATUS.COMPLETE;
}
if (Shape != null)
{
Shape.Mouse_Up(e);
}
}
// Paste the image on the clipboard, centering it on the selected area.
private void Paste()
{
// Không làm gì hết nếu clipboard rỗng
if (!Clipboard.ContainsImage())
{
return;
}
// Lấy ảnh từ Clipboard
Image clipboard_image = Clipboard.GetImage();
// Xác định vị trí đặt ảnh
//int cx = selectedArea.X + (selectedArea.Width - clipboard_image.Width) / 2;
//int cy = selectedArea.Y + (selectedArea.Height - clipboard_image.Height) / 2;
//Rectangle dest_rect = new Rectangle(cx, cy, clipboard_image.Width, clipboard_image.Height);
RectangleSelection dest_rect = new RectangleSelection();
dest_rect._startPoint = new Point(5, 5);
dest_rect._img = clipboard_image;
dest_rect._endPoint.X = dest_rect._startPoint.X + clipboard_image.Width;
dest_rect._endPoint.Y = dest_rect._startPoint.Y + clipboard_image.Height;
Shape = dest_rect;
grapList._list.Add(dest_rect);
// Copy hình ảnh mới vào vị trí
//using (Graphics gr = Graphics.FromImage(clipboard_image))
//{
// gr.DrawImage(clipboard_image, dest_rect);
//}
// Hiển thị hình
//picPaint.Image = clipboard_image; ////////////////////////////////chỗ này đây
picPaint.Refresh();
}
private void picPaint_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
//Neu da chon doi tuong
if (objectChoose == "bucket")
{
;
}
//{
// //Shape = null;
// Shape = new BucketDrawing(doubleBuffer, fillImage, e.X, e.Y, current);
// grapList._list.Insert(grapList._list.Count, Shape);
// picPaint.Refresh();
// }
else
if (objectChoose == "rectangle" || objectChoose == "circle" || objectChoose == "star" || objectChoose == "line" || objectChoose == "rhombus" || objectChoose == "triangle" || objectChoose == "pentagon" || objectChoose == "hexagon" || objectChoose == "crop")
{
if (Shape != null && Shape.CheckLocation(e.Location) >= 0)
{
Shape.Mouse_Down(e);
status = DRAW_STATUS.INCOMPLETE;
if (Shape.CheckLocation(e.Location) == 0)
{
Cursor = Cursors.SizeAll;
}
if (Shape.CheckLocation(e.Location) > 0)
{
Cursor = Cursors.Cross;
}
}
else
{
if (objectChoose != "crop")
{
status = DRAW_STATUS.COMPLETE;
ChooseObject();
Shape.Mouse_Down(e);
grapList._list.Insert(grapList._list.Count, Shape);
}
else
{
if (isCrop == true)
{
if (grapList._list.Count != 0)
{
grapList._list.RemoveAt(grapList._list.Count - 1);
}
picPaint.Refresh();
}
status = DRAW_STATUS.COMPLETE;
ChooseObject();
Shape.Mouse_Down(e);
grapList._list.Insert(grapList._list.Count, Shape);
}
}
}
else
{
status = DRAW_STATUS.COMPLETE;
ChooseObject();
Shape.Mouse_Down(e);
grapList._list.Insert(grapList._list.Count, Shape);
}
}
else
{
status = DRAW_STATUS.COMPLETE;
Shape = null;
}
}
private void ChooseObject()
{
switch (objectChoose)
{
case "pencil":
Shape = new PenDrawing(mtitleCurrentColor.BackColor, penWidth);
break;
case "eraser":
Shape = new EraserDrawing(penWidth);
break;
case "rectangle":
Shape = new RectangleDrawing(mtitleCurrentColor.BackColor, penWidth);
break;
case "circle":
Shape = new CircleDrawing(mtitleCurrentColor.BackColor, penWidth);
break;
case "star":
Shape = new StarDrawing(mtitleCurrentColor.BackColor, penWidth);
break;
case "line":
Shape = new LineDrawing(mtitleCurrentColor.BackColor, penWidth);
break;
case "triangle":
Shape = new TriangleDrawing(mtitleCurrentColor.BackColor, penWidth);
break;
case "rhombus":
Shape = new RhombusDrawing(mtitleCurrentColor.BackColor, penWidth);
break;
case "pentagon":
Shape = new PentagonDrawing(mtitleCurrentColor.BackColor, penWidth);
break;
case "hexagon":
Shape = new HexagonDrawing(mtitleCurrentColor.BackColor, penWidth);
break;
case "crop":
{
Shape = new CropRectangle();
isCrop = true;
posOfCrop = grapList._list.Count;
}
break;
case "select":
{
Shape = new RectangleSelection(mtitleCurrentColor.BackColor, penWidth);
isSelect = true;
}
break;
default:
objectChoose = "none";
Shape = new NoneShapeDrawing();
break;
}
}
private void picPaint_MouseUp(object sender, MouseEventArgs e)
{
if (objectChoose == "pencil" || objectChoose == "eraser")
{
Shape = null;
//status = DRAW_STATUS.COMPLETE;
}
if (Shape != null)
{
Shape.Mouse_Up(e);
}
if (objectChoose == "crop" || objectChoose == "select")
{
if (Shape._endPoint.X < 0)
{
Shape._endPoint.X = 0;
}
if (Shape._endPoint.Y < 0)
{
Shape._endPoint.Y = 0;
}
if (Shape._endPoint.X > fillImage.Size.Width)
{
Shape._endPoint.X = fillImage.Size.Width;
}
if (Shape._endPoint.Y > fillImage.Size.Height)
{
Shape._endPoint.Y = fillImage.Size.Height;
}
}
if (objectChoose == "select" && isSelect == true)
{
//status = DRAW_STATUS.COMPLETE;
int width = Math.Abs(Shape._endPoint.X - Shape._startPoint.X);
int height = Math.Abs(Shape._endPoint.Y - Shape._startPoint.Y);
if (width != 0 && height != 0)
{
if (Shape._startPoint.X > Shape._endPoint.X)
{
int temp = Shape._startPoint.X;
Shape._startPoint.X = Shape._endPoint.X;
Shape._endPoint.X = temp;
}
if (Shape._startPoint.Y > Shape._endPoint.Y)
{
int temp = Shape._startPoint.Y;
Shape._startPoint.Y = Shape._endPoint.Y;
Shape._endPoint.Y = temp;
}
ObjectDrawing t = Shape;
grapList.RemoveLast();
picPaint.Refresh();
Rectangle ROI = new Rectangle(Shape._startPoint.X, Shape._startPoint.Y, width, height);
(Shape as RectangleSelection)._img = CropImage(doubleBuffer, ROI);
selectedArea = new Rectangle(0, 0, width, height); //Vị trí lấy hình cắt được gán vào HCN
_CopyCut._img = (Shape as RectangleSelection)._img; //Hình dc cắt
grapList._list.Insert(grapList._list.Count, t);
RectangleDrawing rec = new RectangleDrawing(Color.White, 1);
rec._startPoint = Shape._startPoint;
rec._endPoint = Shape._endPoint;
rec.isSelectRect = true;
grapList._list.Add(rec);
int Soluong = grapList._list.Count;
grapList.Swap(Soluong - 1, Soluong - 2);
isSelect = false;
}
picPaint.Refresh();
}
}
private void picPaint_MouseDown(object sender, MouseEventArgs e)
{
if (Shape is RectangleSelection)
{
(Shape as RectangleSelection).isSelectDone = true;
}
isSaved = false;
if (e.Button == MouseButtons.Left)
{
//Neu da chon doi tuong
if (objectChoose == "bucket")
{
//Shape = null;
if (isCropRectDraw == true)
{
grapList._list.RemoveAt(posOfCrop);
isCropRectDraw = false;
isCrop = false;
}
// them 1 nonShape de ko hien handlepoint khi su dung bucket
//ObjectDrawing clear = new NoneShapeDrawing();
//grapList._posINCOMPLETE = grapList._list.Count;
//grapList._list.Insert(grapList._list.Count, clear);
//picPaint.Refresh();
Shape = new BucketDrawing(doubleBuffer, e.X, e.Y, mtitleCurrentColor.BackColor);
if (!grapList.isExist(Shape))
{
grapList._listBucketFill.Insert(grapList._listBucketFill.Count, grapList._list.Count);
grapList._list.Insert(grapList._list.Count, Shape);
}
picPaint.Refresh();
}
else if (objectChoose == "rectangle" || objectChoose == "circle" || objectChoose == "star" ||
objectChoose == "line" || objectChoose == "rhombus" || objectChoose == "triangle" ||
objectChoose == "pentagon" || objectChoose == "hexagon" || objectChoose == "crop" || objectChoose == "select")
{
if (Shape != null && Shape.CheckLocation(e.Location) >= 0)
{
Shape.Mouse_Down(e);
//status = DRAW_STATUS.INCOMPLETE;
if (Shape.CheckLocation(e.Location) == 0)
{
Cursor = Cursors.SizeAll;
}
if (Shape.CheckLocation(e.Location) > 0)
{
Cursor = Cursors.Cross;
}
}
else
{
if (isCropRectDraw == true)
{
grapList._list.RemoveAt(posOfCrop);
isCropRectDraw = false;
isCrop = false;
}
if (objectChoose == "crop")
{
isCropRectDraw = true;
}
//status = DRAW_STATUS.COMPLETE;
ChooseObject();
Shape.Mouse_Down(e);
grapList._list.Insert(grapList._list.Count, Shape);
grapList._posINCOMPLETE = grapList._list.Count - 1;
}
}
else
{
if (isCropRectDraw == true)
{
grapList._list.RemoveAt(posOfCrop);
isCrop = false;
}
//status = DRAW_STATUS.COMPLETE;
ChooseObject();
Shape.Mouse_Down(e);
if (objectChoose != "none")
{
grapList._list.Insert(grapList._list.Count, Shape);
grapList._posINCOMPLETE = grapList._list.Count - 1;
}
}
}
else
{
//status = DRAW_STATUS.COMPLETE;
Shape = null;
}
}