public ResizeCommand(XnaDrawObject itemResized, Point old, Point newP, int handle)
{
_itemResized = itemResized;
_oldPoint = new Point(old.X, old.Y);
_newPoint = new Point(newP.X, newP.Y);
_handle = handle;
}
public void MkResize()
{
Point oldscale = _mScale;
_mScale.X = _width / _mOriginalSize.X;
_mScale.Y = _height / _mOriginalSize.Y;
_graphicsList.Resize(_mScale, oldscale);
SizePicture = new Point((int)XnaDrawObject.RecalcFloat(SizePicture.X, _mScale.X, oldscale.X),
(int)XnaDrawObject.RecalcFloat(SizePicture.Y, _mScale.Y, oldscale.Y));
}
protected void AddNewObject(XnaToolUser drawArea, XnaDrawObject o)
{
drawArea.GraphicsList.UnselectAll();
o.Selected = true;
drawArea.GraphicsList.Add(o);
drawArea.Capture = true;
drawArea.Refresh();
drawArea.SetDirty();
}
/// <summary>
/// Right-click handler
/// </summary>
/// <param name="e"></param>
private void OnContextMenu(MouseEventArgs e)
{
// Change current selection if necessary
var point = new Point(e.X, e.Y);
int n = GraphicsList.Count;
XnaDrawObject o = null;
for (int i = 0; i < n; i++)
{
if (GraphicsList[i].HitTest(point) == 0)
{
o = GraphicsList[i];
break;
}
}
if (o != null)
{
if (!o.Selected)
{
GraphicsList.UnselectAll();
}
// Select clicked object
o.Selected = true;
_bringToFrontToolStripMenuItem.Enabled = true;
_sendToBackToolStripMenuItem.Enabled = true;
_cutToolStripMenuItem.Enabled = true;
_copyToolStripMenuItem.Enabled = true;
_deleteToolStripMenuItem.Enabled = true;
}
else
{
_bringToFrontToolStripMenuItem.Enabled = false;
_sendToBackToolStripMenuItem.Enabled = false;
_cutToolStripMenuItem.Enabled = false;
_copyToolStripMenuItem.Enabled = false;
_deleteToolStripMenuItem.Enabled = false;
GraphicsList.UnselectAll();
}
_pasteToolStripMenuItem.Enabled = GraphicsList.AreItemsInMemory();
_contextMenuStrip.Show(MousePosition);
Refresh();
}
/// <summary>
/// Right mouse button is released
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseUp(XnaToolUser drawArea, MouseEventArgs e)
{
if (_selectMode == SelectionMode.NetSelection)
{
// Group selection
drawArea.GraphicsList.SelectInRectangle(drawArea.NetRectangle);
_selectMode = SelectionMode.None;
drawArea.DrawNetRectangle = false;
}
if (_resizedObject != null)
{
// after resizing
_resizedObject.Normalize();
_resizedObject = null;
drawArea.ResizeCommand(drawArea.GraphicsList.GetFirstSelected(),
new Point(_startPoint.X, _startPoint.Y),
new Point(drawArea.MyMouseX, drawArea.MyMouseY),
_resizedObjectHandle);
}
drawArea.Capture = false;
drawArea.Refresh();
//push the command to undo/Redo list now
if (_selectMode == SelectionMode.Move)
{
var movedItemsList = new ArrayList();
for (int i = 0; i < drawArea.GraphicsList.SelectionCount; i++)
{
movedItemsList.Add(drawArea.GraphicsList.GetSelectedObject(i));
}
var delta = new Point {
X = drawArea.MyMouseX - _startPoint.X, Y = drawArea.MyMouseY - _startPoint.Y
};
drawArea.MoveCommand(movedItemsList, delta);
}
IsComplete = true;
}
public bool LoadFromXml(XmlTextReader reader)
{
ErrH.Log("DrawArea", "LoadFromXML", "", ErrH._LogPriority.Info);
_graphicsList.Clear();
var svg = new SvgDoc();
if (!svg.LoadFromFile(reader))
{
return(false);
}
SvgRoot root = svg.GetSvgRoot();
if (root == null)
{
return(false);
}
try
{
SizePicture = new Point((int)XnaDrawObject.ParseSize(root.Width, XnaDrawObject.Dpi.X),
(int)XnaDrawObject.ParseSize(root.Height, XnaDrawObject.Dpi.Y));
}
catch
{
}
_mOriginalSize = SizePicture;
SvgElement ele = root.getChild();
_mScale = new Point(1, 1);
if (ele != null)
{
_graphicsList.AddFromSvg(ele);
}
Description = _graphicsList.Description;
return(true);
}
public XnaCreateCommand(XnaDrawObject shape, ArrayList graphicsList)
{
_shape = shape;
_graphicsList = graphicsList;
}
/// <summary>
/// Left mouse button is pressed
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseDown(XnaToolUser drawArea, MouseEventArgs e)
{
_selectMode = SelectionMode.None;
Point point = new Point(drawArea.MyMouseX, drawArea.MyMouseY);
// Test for resizing (only if control is selected, cursor is on the handle)
int n = drawArea.GraphicsList.SelectionCount;
for (int i = 0; i < n; i++)
{
XnaDrawObject o = drawArea.GraphicsList.GetSelectedObject(i);
int handleNumber = o.HitTest(point);
bool hitOnOutline = o.HitOnCircumferance;
if (handleNumber > 0)
{
_selectMode = SelectionMode.Size;
// keep resized object in class members
_resizedObject = o;
_resizedObjectHandle = handleNumber;
// Since we want to resize only one object, unselect all other objects
drawArea.GraphicsList.UnselectAll();
o.Selected = true;
o.MouseClickOnHandle(handleNumber);
break;
}
if (hitOnOutline && (n == 1)) //only one item is selected
{
_selectMode = SelectionMode.Size;
o.MouseClickOnBorder();
o.Selected = true;
}
}
// Test for move (cursor is on the object)
if (_selectMode == SelectionMode.None)
{
int n1 = drawArea.GraphicsList.Count;
XnaDrawObject o = null;
for (int i = 0; i < n1; i++)
{
if (drawArea.GraphicsList[i].HitTest(point) == 0)
{
o = drawArea.GraphicsList[i];
break;
}
}
if (o != null)
{
_selectMode = SelectionMode.Move;
// Unselect all if Ctrl is not pressed and clicked object is not selected yet
if ((Control.ModifierKeys & Keys.Control) == 0 && !o.Selected)
{
drawArea.GraphicsList.UnselectAll();
}
// Select clicked object
o.Selected = true;
drawArea.Cursor = Cursors.SizeAll;
}
}
// Net selection
if (_selectMode == SelectionMode.None)
{
// click on background
if ((Control.ModifierKeys & Keys.Control) == 0)
{
drawArea.GraphicsList.UnselectAll();
}
_selectMode = SelectionMode.NetSelection;
drawArea.DrawNetRectangle = true;
}
_lastPoint.X = drawArea.MyMouseX;
_lastPoint.Y = drawArea.MyMouseY;
_startPoint.X = drawArea.MyMouseX;
_startPoint.Y = drawArea.MyMouseY;
drawArea.Capture = true;
drawArea.NetRectangle = XnaDrawRectangle.GetNormalizedRectangle(_startPoint, _lastPoint);
drawArea.Refresh();
}
public void ResizeCommand(XnaDrawObject resizedItems, Point old, Point newP, int handle)
{
_graphicsList.ResizeCommand(resizedItems, old, newP, handle);
Refresh();
}
