public RectangleMarker(PictureEdit pictureEditForDraw, Rectangle rectangle, bool editable = true)
{
mainPictureEdit = pictureEditForDraw;
viewInfo = mainPictureEdit.GetViewInfo() as PictureEditViewInfo;
GetImageCenter();
defaultZoomPercent = pictureEditForDraw.Properties.ZoomPercent;
drawingRectangle = new Rectangle(
rectangle.X,
rectangle.Y,
(int)(rectangle.Width * pictureEditForDraw.Properties.ZoomPercent / defaultZoomPercent),
(int)(rectangle.Height * pictureEditForDraw.Properties.ZoomPercent / defaultZoomPercent));
insertPoint = mainPictureEdit.ViewportToImage(rectangle.Location);
defaultRectangle = new RectangleF(
(float)(insertPoint.X),
(float)(insertPoint.Y),
(float)(drawingRectangle.Width),
(float)(drawingRectangle.Height));
isMouseClicked = false;
Editable = editable;
InitEvents();
}
protected double GetActualZoomFactor(PictureEdit Owner)
{
PictureEditViewInfo viewInfo = Owner.GetViewInfo() as PictureEditViewInfo;
if (Owner.Image != null && viewInfo.PictureSourceBounds.Width > 0)
{
return(viewInfo.PictureScreenBounds.Width / viewInfo.PictureSourceBounds.Width);
}
return(-1);
}
private Point ConvertPoint(PictureEdit edit, Point p)
{
Point result = Point.Empty;
if (edit.Image != null)
{
PictureEditViewInfo vi = edit.GetViewInfo() as PictureEditViewInfo;
double zoomX = 1.0, zoomY = 1.0;
if (ZoomPercentChanged && edit.Properties.SizeMode != PictureSizeMode.Squeeze)
{
zoomX = zoomY = Convert.ToDouble(edit.Properties.ZoomPercent) / 100;
}
else
{
switch (edit.Properties.SizeMode)
{
case PictureSizeMode.Zoom:
case PictureSizeMode.Squeeze:
zoomX = zoomY = Convert.ToDouble(vi.PictureScreenBounds.Width / edit.Image.Size.Width);
break;
case PictureSizeMode.Stretch:
zoomX = Convert.ToDouble(vi.PictureScreenBounds.Width / edit.Image.Size.Width);
zoomY = Convert.ToDouble(vi.PictureScreenBounds.Height / edit.Image.Size.Height);
break;
case PictureSizeMode.StretchHorizontal:
zoomX = Convert.ToDouble(vi.PictureScreenBounds.Width / edit.Image.Size.Width);
break;
case PictureSizeMode.StretchVertical:
zoomY = zoomY = Convert.ToDouble(vi.PictureScreenBounds.Height / edit.Image.Size.Height);
break;
}
}
int scrollX = (edit.Controls[1] as DevExpress.XtraEditors.HScrollBar).Value;
int scrollY = (edit.Controls[0] as DevExpress.XtraEditors.VScrollBar).Value;
int x, y;
if (edit.Controls[1].Visible == true)
{
x = (int)((p.X + scrollX - vi.PictureScreenBounds.X) / zoomX);
}
else
{
x = (int)((p.X - vi.PictureScreenBounds.X) / zoomX);
}
if (edit.Controls[0].Visible == true)
{
y = (int)((p.Y + scrollY - vi.PictureScreenBounds.Y) / zoomY);
}
else
{
y = (int)((p.Y - vi.PictureScreenBounds.Y) / zoomY);
}
result = new Point(x, y);
}
return(result);
}
