/// <summary>
///
/// </summary>
/// <param name="image"></param>
/// <param name="x"></param>
/// <param name="y"></param>
public void TryToConnectBottomRight(XImage image, double x, double y)
{
var result = ShapeBounds.HitTest(_editor.Project.CurrentContainer, new Vector2(x, y), _editor.Project.Options.HitTreshold);
if (result != null && result is XPoint)
{
image.BottomRight = result as XPoint;
}
}
/// <summary>
///
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
public override async void LeftDown(double x, double y)
{
double sx = _editor.Project.Options.SnapToGrid ? Editor.Snap(x, _editor.Project.Options.SnapX) : x;
double sy = _editor.Project.Options.SnapToGrid ? Editor.Snap(y, _editor.Project.Options.SnapY) : y;
switch (_currentState)
{
case State.None:
{
if (_editor.GetImageKey == null)
return;
var path = await _editor.GetImageKey();
if (path == null || string.IsNullOrEmpty(path))
return;
_shape = XImage.Create(
sx, sy,
_editor.Project.CurrentStyleLibrary.CurrentStyle,
_editor.Project.Options.PointShape,
path);
if (_editor.Project.Options.TryToConnect)
{
TryToConnectTopLeft(_shape as XImage, sx, sy);
}
_editor.Project.CurrentContainer.WorkingLayer.Shapes = _editor.Project.CurrentContainer.WorkingLayer.Shapes.Add(_shape);
_editor.Project.CurrentContainer.WorkingLayer.Invalidate();
ToStateOne();
Move(_shape);
_editor.Project.CurrentContainer.HelperLayer.Invalidate();
_currentState = State.One;
_editor.CancelAvailable = true;
}
break;
case State.One:
{
var image = _shape as XImage;
if (image != null)
{
image.BottomRight.X = sx;
image.BottomRight.Y = sy;
if (_editor.Project.Options.TryToConnect)
{
TryToConnectBottomRight(_shape as XImage, sx, sy);
}
_editor.Project.CurrentContainer.WorkingLayer.Shapes = _editor.Project.CurrentContainer.WorkingLayer.Shapes.Remove(_shape);
Remove();
Finalize(_shape);
_editor.AddWithHistory(_shape);
_currentState = State.None;
_editor.CancelAvailable = false;
}
}
break;
}
}
/// <summary>
///
/// </summary>
/// <param name="dc"></param>
/// <param name="image"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <param name="db"></param>
/// <param name="r"></param>
public void Draw(object dc, XImage image, double dx, double dy, ImmutableArray<ShapeProperty> db, Record r)
{
if (image.Path == null)
return;
var _dc = dc as DrawingContext;
var style = image.Style;
if (style == null)
return;
double thickness = style.Thickness / _state.Zoom;
double half = thickness / 2.0;
Tuple<Brush, Pen> cache = null;
Brush fill;
Pen stroke;
if (_enableStyleCache
&& _styleCache.TryGetValue(style, out cache))
{
fill = cache.Item1;
stroke = cache.Item2;
}
else
{
fill = CreateBrush(style.Fill);
stroke = CreatePen(style, thickness);
if (_enableStyleCache)
_styleCache.Add(style, Tuple.Create(fill, stroke));
}
var rect = CreateRect(
image.TopLeft,
image.BottomRight,
dx, dy);
DrawRectangleInternal(_dc, half, fill, stroke, image.IsStroked, image.IsFilled, ref rect);
if (_enableImageCache
&& _biCache.ContainsKey(image.Path))
{
try
{
_dc.DrawImage(_biCache[image.Path], rect);
}
catch (Exception ex)
{
Debug.Print(ex.Message);
Debug.Print(ex.StackTrace);
}
}
else
{
if (_state.ImageCache == null || string.IsNullOrEmpty(image.Path))
return;
try
{
var bytes = _state.ImageCache.GetImage(image.Path);
if (bytes != null)
{
var ms = new System.IO.MemoryStream(bytes);
var bi = new BitmapImage();
bi.BeginInit();
bi.StreamSource = ms;
bi.EndInit();
bi.Freeze();
if (_enableImageCache)
_biCache[image.Path] = bi;
_dc.DrawImage(bi, rect);
}
}
catch (Exception ex)
{
Debug.Print(ex.Message);
Debug.Print(ex.StackTrace);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="image"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public static Rect2 GetImageBounds(XImage image, double dx, double dy)
{
return Rect2.Create(image.TopLeft, image.BottomRight, dx, dy);
}
/// <summary>
///
/// </summary>
/// <param name="gfx"></param>
/// <param name="image"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <param name="db"></param>
/// <param name="r"></param>
public void Draw(object gfx, XImage image, double dx, double dy, ImmutableArray<ShapeProperty> db, Record r)
{
var _gfx = gfx as Graphics;
Brush brush = ToSolidBrush(image.Style.Stroke);
var rect = CreateRect(
image.TopLeft,
image.BottomRight,
dx, dy);
var srect = new RectangleF(
_scaleToPage(rect.X),
_scaleToPage(rect.Y),
_scaleToPage(rect.Width),
_scaleToPage(rect.Height));
if (image.IsFilled)
{
_gfx.FillRectangle(
ToSolidBrush(image.Style.Fill),
srect);
}
if (image.IsStroked)
{
_gfx.DrawRectangle(
ToPen(image.Style, _scaleToPage),
srect.X,
srect.Y,
srect.Width,
srect.Height);
}
if (_enableImageCache
&& _biCache.ContainsKey(image.Path))
{
_gfx.DrawImage(_biCache[image.Path], srect);
}
else
{
if (_state.ImageCache == null || string.IsNullOrEmpty(image.Path))
return;
var bytes = _state.ImageCache.GetImage(image.Path);
if (bytes != null)
{
var ms = new System.IO.MemoryStream(bytes);
var bi = Image.FromStream(ms);
ms.Dispose();
if (_enableImageCache)
_biCache[image.Path] = bi;
_gfx.DrawImage(bi, srect);
if (!_enableImageCache)
bi.Dispose();
}
}
brush.Dispose();
}
