private void MainCanvas_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
{
return;
}
if (!(e.Source != MainCanvas && e.Source.GetType() == typeof(ItemLayer) && controlSelector.itemChoose == (ItemLayer)e.Source))
{
for (int i = 0; i < MainCanvas.Children.Count; ++i)
{
if (!(MainCanvas.Children[i] is ItemLayer))
{
continue;
}
ItemLayer item = (ItemLayer)MainCanvas.Children[i];
if (item.Selected == true)
{
item.Selected = false;
SaveHistory();
}
//Canvas.SetZIndex(item, 0);
}
controlSelector.itemChoose = null;
//SaveCanvas();
for (int i = 0; i < MainCanvas.Children.Count; ++i)
{
if (!(MainCanvas.Children[i] is ItemLayer))
{
continue;
}
ItemLayer item = (ItemLayer)MainCanvas.Children[i];
MainCanvas.Children.Remove((ItemLayer)MainCanvas.Children[i]);
}
}
if (TypeDraw == TypeShape.Eraser)
{
isEraser = true;
Point p = Mouse.GetPosition(MainCanvas);
BitmapSource bmp = (BitmapSource)MainCanvasImage.Source;
if (bmp == null)
{
return;
}
MyBitmap = new WriteableBitmap(bmp);
MainCanvasImage.Source = MyBitmap;
ImageProcess.Rubber((int)p.X, (int)p.Y, penWidth, MyBitmap);
}
if (TypeDraw == TypeShape.Fill)
{
System.Drawing.Color color = System.Drawing.Color.FromArgb(fillColor.A, fillColor.R, fillColor.G, fillColor.B);
Point p = Mouse.GetPosition(MainCanvas);
ImageProcess.FloodFill(MainCanvas, MainCanvasImage, p, color);
SaveHistory();
return;
}
}
private void MainCanvas_MouseMove(object sender, MouseEventArgs e)
{
if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
{
if (!IsMouseDown)
{
return;
}
///MainCanvainitial = Mouse.GetPosition(this);
//xOffset = //Mouse.GetPosition(this).X - initial.X;
//yOffset = //Mouse.GetPosition(this).Y - initial.Y;
//MainCanvas.RenderTransform =
Translate = new TranslateTransform
{
X = xOffset + Mouse.GetPosition(this).X - initial.X,
Y = yOffset + Mouse.GetPosition(this).Y - initial.Y
};
TransformGroup group = new TransformGroup();
group.Children.Add(Translate);
group.Children.Add(Transform);
MainCanvas.RenderTransform = group;
return;
}
if (isEraser == true && TypeDraw == TypeShape.Eraser)
{
Point point = Mouse.GetPosition(MainCanvas);
BitmapSource bmp = (BitmapSource)MainCanvasImage.Source;
if (bmp == null)
{
return;
}
MyBitmap = new WriteableBitmap(bmp);
MainCanvasImage.Source = MyBitmap;
ImageProcess.Rubber((int)point.X, (int)point.Y, penWidth, MyBitmap);
}
if (TypeDraw == TypeShape.PolyLine)
{
if (controlSelector.itemChoose != null)
{
// Mouse.GetPosition(MainCanvas);
Point CurPoint = Mouse.GetPosition(MainCanvas);
CurPoint = MainCanvas.PointToScreen(CurPoint);
CurPoint = ((PolyLineObject)controlSelector.itemChoose.objectBase).rect.PointFromScreen(CurPoint);
((PolyLineObject)controlSelector.itemChoose.objectBase).rect.Points.Add(CurPoint);
}
return;
}
if (TypeDraw == TypeShape.PolyGon)
{
if (controlSelector.itemChoose != null)
{
// Mouse.GetPosition(MainCanvas);
Point CurPoint = Mouse.GetPosition(MainCanvas);
CurPoint = MainCanvas.PointToScreen(CurPoint);
CurPoint = ((PolyGonObject)controlSelector.itemChoose.objectBase).rect.PointFromScreen(CurPoint);
PointCollection list = ((PolyGonObject)controlSelector.itemChoose.objectBase).rect.Points;
((PolyGonObject)controlSelector.itemChoose.objectBase).rect.Points[list.Count - 1] = CurPoint;
}
}
controlSelector.OnMouse_Move();
//Set thông tin statusbar
Point p = Mouse.GetPosition(MainCanvas);
lblCursorPosition.Text = "X: " + ((int)p.X).ToString() + ", Y: " + ((int)p.Y).ToString();
}