private void numAlpha_ValueChanged(object sender, EventArgs e)
{
if (_lock)
{
return;
}
CurrentColor = Color.FromArgb((int)numAlpha.Value, CurrentColor);
if (CurrentDrawObject != null)
{
CurrentDrawObject.UpdateColor(CurrentColor);
redraw(true);
}
if (chkErase.Checked)
{
EraseColor = CurrentColor;
}
else if (chkHighlight.Checked)
{
HighlightColor = CurrentColor;
}
else
{
DrawColor = CurrentColor;
}
}
private void pictMain_MouseMove(object sender, MouseEventArgs e)
{
Point relativePoint = new Point(e.Location.X - _imageRectangle.X, e.Location.Y - _imageRectangle.Y);
if (_drawObjectType == null)
{
moveDeselected(relativePoint, e);
return;
}
_resizeRectangle = default(KeyValuePair <Rectangle, Cursor>);
if (_imageRectangle.Contains(e.Location))
{
//if (_drawObjectType.Equals(typeof(FillDrawObject)))
// this.Cursor = Cursors.
//else
this.Cursor = Cursors.Cross;
if (!_drawObjectType.Equals(typeof(TextDrawObject)))
{
if (_mouseDownLocation != Point.Empty)
{
redraw(false);
CurrentDrawObject.Draw(new Point((int)(relativePoint.X / _zoomMultiplier),
(int)(relativePoint.Y / _zoomMultiplier)));
pictMain.Refresh();
}
}
}
else
{
this.Cursor = Cursors.Default;
}
}
private void btnColor_Click(object sender, EventArgs e)
{
dlgColor.Color = CurrentColor;
if (dlgColor.ShowDialog() == DialogResult.OK)
{
CurrentColor = Color.FromArgb((int)numAlpha.Value, dlgColor.Color);
if (CurrentDrawObject != null)
{
CurrentDrawObject.UpdateColor(CurrentColor);
redraw(true);
}
if (chkErase.Checked)
{
EraseColor = CurrentColor;
}
else if (chkHighlight.Checked)
{
HighlightColor = CurrentColor;
}
else
{
DrawColor = CurrentColor;
}
}
}
private void addUndoAction(UndoActionType type)
{
if (CurrentDrawObject == null)
{
return;
}
_undos.Push(new UndoAction()
{
UndoActionType = type,
DrawObject = CurrentDrawObject.GetSerializable()
});
}
private void undoRedo(UndoAction action, Stack <UndoAction> opposites, bool redo)
{
var opposite = new UndoAction();
if (action.UndoActionType == UndoActionType.AddDrawObject)
{
opposite.UndoActionType = UndoActionType.DeleteDrawObject;
}
else if (action.UndoActionType == UndoActionType.DeleteDrawObject)
{
opposite.UndoActionType = UndoActionType.AddDrawObject;
}
else
{
opposite.UndoActionType = action.UndoActionType;
}
if (action.UndoActionType == UndoActionType.DeleteDrawObject)
{
CurrentDrawObject = DrawObject.FromSerialized(_currGraphics, action.DrawObject, _zoomMultiplier);
opposite.DrawObject = CurrentDrawObject.GetSerializable();
_drawObjects.Add(CurrentDrawObject);
}
else
{
var drawObj = _drawObjects.First(d => d.ID == action.DrawObject.ID);
opposite.DrawObject = drawObj.GetSerializable();
if (action.UndoActionType == UndoActionType.AddDrawObject)
{
_drawObjects.Remove(drawObj);
}
else if (action.UndoActionType == UndoActionType.CropImage)
{
_cropRectangle = redo ?
(CurrentDrawObject as SelectDrawObject).GetSelectionRectangle()
: Rectangle.Empty;
LoadImage(true);
}
else
{
drawObj.Undo(action.DrawObject);
}
}
opposites.Push(opposite);
serializeDrawObjects();
redraw(true);
}
//private void pictMain_KeyPress(object sender, KeyPressEventArgs e)
//{
// if (CurrentDrawObject is TextDrawObject)
// {
// if (e.KeyChar == 13)
// (CurrentDrawObject as TextDrawObject).CurrentText += "\r\n";
// else
// (CurrentDrawObject as TextDrawObject).CurrentText += e.KeyChar.ToString();
// redraw(true);
// }
//}
private void pictMain_MouseUp(object sender, MouseEventArgs e)
{
if (CurrentDrawObject != null && !_drawObjects.Contains(CurrentDrawObject))
{
_drawObjects.Add(CurrentDrawObject);
addUndoAction(UndoActionType.AddDrawObject);
if (!(CurrentDrawObject is TextDrawObject))
{
serializeDrawObjects();
}
btnCrop.Visible = CurrentDrawObject is SelectDrawObject;
CurrentDrawObject.Selected = true;
//if (!(_currentDrawObject is TextDrawObject) && !(_currentDrawObject is SelectDrawObject))
// _currentDrawObject = null;
_lock = true;
foreach (var tool in _tools)
{
tool.Checked = false;
}
_drawObjectType = null;
setVisibilities();
_lock = false;
if (CurrentDrawObject is FillDrawObject)
{
drawObjects(CurrentDrawObject as FillDrawObject);
}
redraw(true);
}
else if (CurrentDrawObject != null)
{
var peek = _undos.Peek();
if (peek.UndoActionType == UndoActionType.MoveResize)
{
var test = CurrentDrawObject.GetSerializable();
if (test.ID == peek.DrawObject.ID &&
test.StartPoint.X == peek.DrawObject.StartPoint.X &&
test.StartPoint.Y == peek.DrawObject.StartPoint.Y &&
test.EndPoint.X == peek.DrawObject.EndPoint.X &&
test.EndPoint.Y == peek.DrawObject.EndPoint.Y)
{
_undos.Pop();
}
}
serializeDrawObjects();
}
_mouseDownLocation = Point.Empty;
}
private void redraw(bool refresh, bool ignoreSelection = false)
{
_currGraphics.Clear(Color.Empty);
if (_originalImage == null)
{
return;
}
drawObjects(null);
if (CurrentDrawObject is SelectDrawObject && !ignoreSelection)
{
CurrentDrawObject.Draw();
}
if (refresh)
{
pictMain.Refresh();
}
}
private void moveDeselected(Point newPoint, MouseEventArgs e)
{
var cursor = Cursors.Default;
foreach (var dobj in _drawObjects)
{
if (dobj.IsInDrawObject(newPoint))
{
cursor = Cursors.Hand;
}
}
if (CurrentDrawObject != null)
{
if (_mouseDownLocation != Point.Empty)
{
if (_resizeRectangle.Key != Rectangle.Empty)
{
cursor = _resizeRectangle.Value;
CurrentDrawObject.ResizeTo(newPoint);
}
else
{
CurrentDrawObject.MoveTo(_mouseDownLocation, e.Location);
}
_mouseDownLocation = e.Location;
redraw(true);
}
else if ((_resizeRectangle = CurrentDrawObject.GetResizeRectangle(newPoint)).Key
!= Rectangle.Empty)
{
cursor = _resizeRectangle.Value;
}
else if (CurrentDrawObject.IsInDrawObject(newPoint))
{
cursor = Cursors.Hand;
}
}
this.Cursor = cursor;
}
private void pictMain_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Delete)
{
DeleteCurrentDrawObject();
}
else if (e.KeyCode == Keys.Z && e.Modifiers == Keys.Control)
{
btnUndo_Click(sender, e);
}
else if (e.KeyCode == Keys.Y && e.Modifiers == Keys.Control)
{
btnRedo_Click(sender, e);
}
else if (e.KeyCode == Keys.C && e.Modifiers == Keys.Control)
{
btnCopy_Click(sender, e);
}
else if (e.KeyCode == Keys.S && e.Modifiers == Keys.Control)
{
btnSave_Click(sender, e);
}
else if ((e.KeyCode == Keys.Down || e.KeyCode == Keys.Up || e.KeyCode == Keys.Left || e.KeyCode == Keys.Right) &&
CurrentDrawObject != null)
{
int xDelta = 0;
int yDelta = 0;
if (e.KeyCode == Keys.Down)
{
yDelta = 1;
}
else if (e.KeyCode == Keys.Up)
{
yDelta = -1;
}
else if (e.KeyCode == Keys.Left)
{
xDelta = -1;
}
else if (e.KeyCode == Keys.Right)
{
xDelta = 1;
}
if (e.Modifiers == Keys.Control)
{
xDelta *= 10;
yDelta *= 10;
}
if (e.Modifiers == Keys.Shift)
{
CurrentDrawObject.MoveEnd(xDelta, yDelta);
}
else
{
CurrentDrawObject.Move(xDelta, yDelta);
}
redraw(true);
}
}
private void pictMain_MouseDown(object sender, MouseEventArgs e)
{
endText();
var previouslySelected = CurrentDrawObject;
deselect(true);
if (_drawObjectType == null)
{
for (int i = _drawObjects.Count - 1; i >= 0; i--)
{
var dobj = _drawObjects[i];
if (dobj.IsInDrawObject(new Point(e.Location.X - _imageRectangle.X,
e.Location.Y - _imageRectangle.Y)) ||
(previouslySelected != null && previouslySelected.Equals(dobj) && _resizeRectangle.Key != Rectangle.Empty))
{
CurrentDrawObject = dobj;
CurrentDrawObject.Selected = true;
_lock = true;
chkErase.Checked = CurrentDrawObject.Erase;
chkHighlight.Checked = CurrentDrawObject.Highlight;
_color = CurrentDrawObject.GetColor();
_currentLineWidth = CurrentDrawObject.GetWidth();
updateColorWidth(true);
_lock = false;
setVisibilities();
addUndoAction(UndoActionType.MoveResize);
if (_resizeRectangle.Key != Rectangle.Empty)
{
CurrentDrawObject.StartResize(_resizeRectangle.Key);
}
btnDelete.Visible = true;
redraw(true);
_mouseDownLocation = e.Location;
break;
}
}
}
if (previouslySelected != null && previouslySelected is SelectDrawObject && _cropRectangle == Rectangle.Empty)
{
removeCurrentDrawObject(previouslySelected);
redraw(true);
}
if (_drawObjectType == null)
{
return;
}
if (_imageRectangle.Contains(e.Location))
{
_mouseDownLocation = e.Location;
CurrentDrawObject = DrawObject.CreateDrawObject(_drawObjectType,
!_drawObjects.Any() ? 1 : _drawObjects.Max(d => d.ID) + 1,
_currGraphics, new Pen(CurrentColor, CurrentWidth),
new Point((int)((_mouseDownLocation.X - _imageRectangle.X) / _zoomMultiplier),
(int)((_mouseDownLocation.Y - _imageRectangle.Y) / _zoomMultiplier)),
_zoomMultiplier);
CurrentDrawObject.Erase = chkErase.Checked;
CurrentDrawObject.Highlight = chkHighlight.Checked;
if (CurrentDrawObject is IRadiusDrawObject)
{
(CurrentDrawObject as IRadiusDrawObject).CurrentImage = _bmp;
(CurrentDrawObject as IRadiusDrawObject).Radius = CurrentRadius;
}
if (_drawObjectType.GetInterface(typeof(ITextDrawObject).Name) != null)
{
(CurrentDrawObject as ITextDrawObject).Font = CurrentFont;
}
if (CurrentDrawObject is NumberDrawObject)
{
(CurrentDrawObject as NumberDrawObject).CurrentText = _drawObjects.Count(d => d is NumberDrawObject).ToString();
}
if (_drawObjectType.Equals(typeof(TextDrawObject)))
{
redraw(false);
//(CurrentDrawObject as TextDrawObject).Typing = true;
CurrentDrawObject.Draw(new Point((int)((e.Location.X - _imageRectangle.X) / _zoomMultiplier),
(int)((e.Location.Y - _imageRectangle.Y) / _zoomMultiplier)));
//pictMain.Focus();
//pictMain.LostFocus += pictMain_LostFocus;
//pictMain.KeyPress += pictMain_KeyPress;
}
}
}
private void setVisibilities()
{
Type[] lineToolTypes = new Type[]
{
typeof(ArrowDrawObject),
typeof(EllipseDrawObject),
typeof(RectangleDrawObject),
typeof(LineDrawObject),
typeof(DoubleArrowDrawObject),
typeof(FreeFormDrawObject),
typeof(CurlyBracesDrawObject)
};
pnlLineTools.Visible = (_drawObjectType != null && lineToolTypes.Contains(_drawObjectType)) ||
(CurrentDrawObject != null && lineToolTypes.Contains(CurrentDrawObject.GetType()));
btnFont.Visible = (_drawObjectType != null && _drawObjectType.GetInterface(typeof(ITextDrawObject).Name) != null) ||
(CurrentDrawObject != null && CurrentDrawObject is ITextDrawObject);
pnlBlurTools.Visible = (_drawObjectType != null && _drawObjectType.GetInterface(typeof(IRadiusDrawObject).Name) != null) ||
(CurrentDrawObject != null && CurrentDrawObject is IRadiusDrawObject);
}
