private void btnFilledTexture_Click(object sender, RoutedEventArgs e) { OpenFileDialog op = new OpenFileDialog(); op.Title = "Select a picture"; op.Filter = "All supported graphics|*.jpg;*.jpeg;*.png|" + "JPEG (*.jpg;*.jpeg)|*.jpg;*.jpeg|" + "Portable Network Graphic (*.png)|*.png"; DrawArea.DrawTexture = true; btnFilledTexture.Content = "C"; DrawArea.DrawHatch = false; btnFilledHatch.Content = ""; DrawArea.DrawFilled = false; btnFilledSolid.Content = ""; DrawArea.DrawGradient = false; btnFilledGradient.Content = ""; if (op.ShowDialog() == true) { DrawArea.FillImage = new Bitmap(op.FileName); } int x = DrawArea.TheLayers.ActiveLayerIndex; int n = DrawArea.TheLayers[x].Graphics.SelectionCount; if (n > 0) { n = DrawArea.TheLayers[x].Graphics.Count; for (int i = 0; i < n; i++) { if (DrawArea.TheLayers[x].Graphics[i].Selected == true) { DrawObject obj = DrawArea.TheLayers[x].Graphics[i]; obj.Gradient = false; obj.Filled = false; obj.Hatch = false; obj.Texture = true; obj.FillImage = DrawArea.FillImage; DrawArea.TheLayers[x].Graphics.Replace(i, obj); } } DrawArea.Refresh(); } }
// Hàm này được gọi khi user click trái vào draw area và một tool được active public void AddNewObject(DrawArea drawArea, DrawObject o) { int al = drawArea.TheLayers.ActiveLayerIndex; drawArea.TheLayers[al].Graphics.UnselectAll(); o.Selected = true; o.Dirty = true; int objectID = 0; // Lấy id của đối tượng for (int i = 0; i < drawArea.TheLayers.Count; i++) { objectID = +drawArea.TheLayers[i].Graphics.Count; } objectID++; o.ID = objectID; drawArea.TheLayers[al].Graphics.Add(o); drawArea.Capture = true; drawArea.Refresh(); }
private void cbxDashArrow_Checked(object sender, RoutedEventArgs e) { DrawArea.PenType = TypeOfPen.PenType.DashArrow; DrawArea.CurrentPen = TypeOfPen.SetCurrentPen(TypeOfPen.PenType.DashArrow, DrawArea.LineColor, DrawArea.LineWidth); int x = DrawArea.TheLayers.ActiveLayerIndex; int n = DrawArea.TheLayers[x].Graphics.SelectionCount; if (n > 0) { n = DrawArea.TheLayers[x].Graphics.Count; for (int i = 0; i < n; i++) { if (DrawArea.TheLayers[x].Graphics[i].Selected == true) { DrawObject obj = DrawArea.TheLayers[x].Graphics[i]; obj.PenType = TypeOfPen.PenType.DashArrow; obj.DrawPen = DrawArea.CurrentPen; DrawArea.TheLayers[x].Graphics.Replace(i, obj); } } DrawArea.Refresh(); } }
private void btnPaste_Click(object sender, RoutedEventArgs e) { int x = DrawArea.TheLayers.ActiveLayerIndex; int n = DrawArea.ObjCopyList.Count; DrawArea.TheLayers[x].Graphics.UnselectAll(); for (int i = 0; i < n; i++) { DrawArea.TheLayers[x].Graphics.Add(DrawArea.ObjCopyList[i]); DrawArea.TheLayers[x].Graphics[i].Move(30 + i, 30 + i); } DrawArea.Capture = true; DrawArea.Refresh(); if (btnPaste.IsEnabled == false) { btnPaste.IsEnabled = true; } if (btnCopy.IsEnabled == false) { btnCopy.IsEnabled = true; } DrawArea.ActiveTool = DrawArea.DrawToolType.Pointer; btnPaste.IsEnabled = false; }
/* --- Phương thức --- */ public override void OnMouseDown(DrawArea drawArea, MouseEventArgs e) { commandChangeState = null; wasMove = false; selectMode = SelectionMode.None; Point point = drawArea.BackTrackMouse(new Point(e.X, e.Y)); // Kiểm tra có phải là đang resize int al = drawArea.TheLayers.ActiveLayerIndex; int n = drawArea.TheLayers[al].Graphics.SelectionCount; for (int i = 0; i < n; i++) { DrawObject o = drawArea.TheLayers[al].Graphics.GetSelectedObject(i); int handleNumber = o.HitTest(point); if (handleNumber > 0) { selectMode = SelectionMode.Size; // Giữ đối tượng cần resize resizedObject = o; resizedObjectHandle = handleNumber; // Khi resize một đối tượng phải unselect các đối tượng khác drawArea.TheLayers[al].Graphics.UnselectAll(); o.Selected = true; commandChangeState = new CommandChangeState(drawArea.TheLayers); break; } } // Kiểm tra có phải là đang move if (selectMode == SelectionMode.None) { int n1 = drawArea.TheLayers[al].Graphics.Count; DrawObject o = null; for (int i = 0; i < n1; i++) { if (drawArea.TheLayers[al].Graphics[i].HitTest(point) == 0) { o = drawArea.TheLayers[al].Graphics[i]; break; } } if (o != null) { selectMode = SelectionMode.Move; // Unselect tất cả nếu Ctrl chưa nhấn và một đối tượng chưa được chọn if ((Control.ModifierKeys & Keys.Control) == 0 && !o.Selected) { drawArea.TheLayers[al].Graphics.UnselectAll(); } o.Selected = true; commandChangeState = new CommandChangeState(drawArea.TheLayers); drawArea.Cursor = Cursors.SizeAll; } } // Kiểm tra có phải là đang group selection if (selectMode == SelectionMode.None) { if ((Control.ModifierKeys & Keys.Control) == 0) { drawArea.TheLayers[al].Graphics.UnselectAll(); } selectMode = SelectionMode.NetSelection; drawArea.DrawNetRectangle = true; } lastPoint.X = point.X; lastPoint.Y = point.Y; startPoint.X = point.X; startPoint.Y = point.Y; drawArea.Capture = true; drawArea.NetRectangle = DrawRectangle.GetNormalizedRectangle(startPoint, lastPoint); drawArea.Refresh(); }
public override void OnMouseMove(DrawArea drawArea, MouseEventArgs e) { Point point = drawArea.BackTrackMouse(new Point(e.X, e.Y)); int al = drawArea.TheLayers.ActiveLayerIndex; wasMove = true; // Set con trỏ khi chưa nhấn chuột if (e.Button == MouseButtons.None) { Cursor cursor = null; if (drawArea.TheLayers[al].Graphics != null) { for (int i = 0; i < drawArea.TheLayers[al].Graphics.Count; i++) { int n = drawArea.TheLayers[al].Graphics[i].HitTest(point); if (n > 0) { cursor = drawArea.TheLayers[al].Graphics[i].GetHandleCursor(n); break; } } } if (cursor == null) { cursor = Cursors.Default; } drawArea.Cursor = cursor; return; } if (e.Button != MouseButtons.Left) { return; } // Khi nhấn trái chuột // Tìm khoảng cách giữa hai điểm trước và sau int dx = point.X - lastPoint.X; int dy = point.Y - lastPoint.Y; lastPoint.X = point.X; lastPoint.Y = point.Y; // Resize if (selectMode == SelectionMode.Size) { if (resizedObject != null) { resizedObject.MoveHandleTo(point, resizedObjectHandle); drawArea.Refresh(); } } // Move if (selectMode == SelectionMode.Move) { int n = drawArea.TheLayers[al].Graphics.SelectionCount; for (int i = 0; i < n; i++) { drawArea.TheLayers[al].Graphics.GetSelectedObject(i).Move(dx, dy); } drawArea.Cursor = Cursors.SizeAll; drawArea.Refresh(); } // Group selection if (selectMode == SelectionMode.NetSelection) { drawArea.NetRectangle = DrawRectangle.GetNormalizedRectangle(startPoint, lastPoint); drawArea.Refresh(); return; } }