public TextElemet(OoShapeObserver shape)
{
Shape = shape;
if (shape != null)
{
Text = shape.Text;
ScreenPosition = shape.GetRelativeScreenBoundsByDom();
ObjectBoundingBox = BrailleTextView.MakeZoomBoundingBox(ScreenPosition, WindowManager.GetPrintZoomLevel());
Matrix = BrailleTextView.BrailleRenderer.RenderMatrix(ObjectBoundingBox.Width, Text);
Position = new Point(ObjectBoundingBox.X, ObjectBoundingBox.Y);
Center = new Point(ObjectBoundingBox.X + (ObjectBoundingBox.Width / 2), ObjectBoundingBox.Y + (ObjectBoundingBox.Height / 2));
}
else
{
Center = Position = new Point();
Matrix = new bool[0, 0];
ObjectBoundingBox = ScreenPosition = new Rectangle();
Text = String.Empty;
}
}
/// <summary>
/// Sets the shape or point to blink and starts the blinking frame around the last selected shape.
/// </summary>
internal void InitBrailleDomFocusHighlightMode(OoShapeObserver _shape = null, bool visualize = true)
{
if (shapeManipulatorFunctionProxy != null)
{
if (_shape == null)
{
_shape = shapeManipulatorFunctionProxy.LastSelectedShape;
}
if (_shape != null && _shape.IsValid(false))
{
StartFocusHighlightModes();
// inform sighted user
if (visualize)
{
byte[] pngData;
if (_shape.GetShapeAsPng(out pngData) > 0)
{
DesktopOverlayWindow.Instance.initBlinking(
ref pngData, // png as byte array
_shape.GetAbsoluteScreenBoundsByDom(), // bounding box
0.75, // opacity (0.0 (transparent) .. 1.0)
1500, // The total blinking time in ms until blinking stops and the window is hidden again
//The pattern of milliseconds to be on|off|...,
// e.g. [250,150,250,150,250,150,800,1000] for three short flashes (on for 250ms)
// with gaps (of 150ms) and one long on time (800ms) followed by a pause(1s).
// The pattern is repeated until the total blinking time is over.
// If less than 2 values are given, the default of [500, 500] is used!
new int[8] {
250, 150, 250, 150, 250, 150, 500, 150
}
);
}
}
}
}
}
/// <summary>
/// Sets the shape for modification to the given observer.
/// </summary>
/// <param name="shape">The shape.</param>
/// <param name="observed">The observed.</param>
/// <returns>the currently selected Shape observer</returns>
public bool SetPolypointForModification(OoPolygonPointsObserver points, OoShapeObserver shape)
{
if (shape != null && points != null && points.Shape == shape)
{
if (shapeManipulatorFunctionProxy != null && !ImageData.Instance.Active)
{
// OoElementSpeaker.PlayElementImmediately(shape, LL.GetTrans("tangram.lector.oo_observer.selected", String.Empty));
if (shapeManipulatorFunctionProxy.LastSelectedShape != shape)
{
shapeManipulatorFunctionProxy.LastSelectedShape = shape;
}
shapeManipulatorFunctionProxy.LastSelectedShapePolygonPoints = points;
// shapeManipulatorFunctionProxy.SelectLastPolygonPoint();
shapeManipulatorFunctionProxy.SelectPolygonPoint();
}
else // title+desc dialog handling
{
ImageData.Instance.NewSelectionHandling(shape);
}
}
return(false);
}
/// <summary>
/// Gets the shape observer for modification.
/// </summary>
/// <param name="c">The component to get the corresponding observer to.</param>
/// <param name="observed">The observed window / draw document.</param>
/// <param name="silent">if set to <c>true</c> no audio feedback about the selection is given.</param>
/// <param name="immediatly">if set to <c>true</c> the audio feedback is immediately given and all other audio feedback is aborted.</param>
/// <returns>The corresponding observer to the shape in the given Draw document.</returns>
public OoShapeObserver GetShapeForModification(OoAccComponent c, OoAccessibleDocWnd observed, bool silent = true, bool immediately = true)
{
if (observed != null && c.Role != AccessibleRole.INVALID)
{
//TODO: prepare name:
OoShapeObserver shape = observed.GetRegisteredShapeObserver(c);
if (shape != null)
{
return(GetShapeForModification(shape, observed, silent, immediately));
//if (shapeManipulatorFunctionProxy != null && !ImageData.Instance.Active)
//{
// OoElementSpeaker.PlayElementImmediately(shape, LL.GetTrans("tangram.lector.oo_observer.selected", String.Empty));
// //audioRenderer.PlaySound("Form kann manipuliert werden");
// shapeManipulatorFunctionProxy.LastSelectedShape = shape;
// return shape;
//}
//else // title+desc dialog handling
//{
// ImageData.Instance.NewSelectionHandling(shape);
//}
}
else
{
// disable the pageShapes
if (c.Name.StartsWith("PageShape:"))
{
return(null);
}
OoElementSpeaker.PlayElementImmediately(c, LL.GetTrans("tangram.lector.oo_observer.selected"));
audioRenderer.PlaySound(LL.GetTrans("tangram.lector.oo_observer.selected_element.locked"));
}
}
return(null);
}
/// <summary>
/// Zooms the given view range to the new zoom level and calculates the new offset out of the old center position.
/// </summary>
/// <param name="vr">view range that should be zoomed</param>
/// <param name="oldZoom">old zoom of the view range</param>
/// <param name="newZoom">new zoom</param>
/// <returns>true, if zoom was successful</returns>
private bool zoom(BrailleIOViewRange vr, double oldZoom, double newZoom)
{
if (vr != null)
{
Point oldCenter = new Point();
var oldvrdin = vr.ContentBox;
bool zoomToShape = false;
Point oldOffset = new Point(vr.GetXOffset(), vr.GetYOffset());
// Prüfung auf größte Zoomstufe
if (newZoom > vr.MAX_ZOOM_LEVEL)
{
if (oldZoom == vr.MAX_ZOOM_LEVEL)
{
return(false);
}
newZoom = vr.MAX_ZOOM_LEVEL;
}
// Prüfung auf kleinste Zoomstufe
if (vr.ContentBox.Height >= vr.ContentHeight && vr.ContentBox.Width >= vr.ContentWidth)
{
if (oldZoom >= newZoom)
{
return(false);
}
oldCenter = Point.Empty;
// central point of focused element as center for zooming
if (OoConnector.Instance != null && OoConnector.Instance.Observer != null)
{
OoShapeObserver shape = OoConnector.Instance.Observer.GetLastSelectedShape();
if (shape != null)
{
Rectangle shapeBoundingbox = shape.GetRelativeScreenBoundsByDom();
if (shapeBoundingbox != null)
{
// calculate shape position and size in pins (relative to document boundings on pin device)
Point shapePosition = new Point((int)Math.Round(shapeBoundingbox.X * vr.GetZoom()), (int)Math.Round(shapeBoundingbox.Y * vr.GetZoom()));
Size shapeSize = new Size((int)Math.Round(shapeBoundingbox.Width * vr.GetZoom()), (int)Math.Round(shapeBoundingbox.Height * vr.GetZoom()));
Point shapeCenter = new Point(shapePosition.X + shapeSize.Width / 2, shapePosition.Y + shapeSize.Height / 2);
oldCenter = new Point(shapeCenter.X, shapeCenter.Y);
}
}
}
if (oldCenter != Point.Empty)
{
zoomToShape = true;
}
else
{
oldCenter = new Point(
(int)Math.Round(((double)vr.ContentWidth / 2) + (vr.GetXOffset() * -1)),
(int)Math.Round(((double)vr.ContentHeight / 2) + (vr.GetYOffset() * -1))
);
}
}
else
{
oldCenter = Point.Empty;
// central point of focused element as center for zooming
if (OoConnector.Instance != null && OoConnector.Instance.Observer != null)
{
OoShapeObserver shape = OoConnector.Instance.Observer.GetLastSelectedShape();
if (shape != null)
{
Rectangle shapeBoundingbox = shape.GetRelativeScreenBoundsByDom();
if (shapeBoundingbox != null)
{
// calculate shape position and size in pins (relative to document boundings on pin device)
Point shapePosition = new Point((int)Math.Round(shapeBoundingbox.X * vr.GetZoom()), (int)Math.Round(shapeBoundingbox.Y * vr.GetZoom()));
Size shapeSize = new Size((int)Math.Round(shapeBoundingbox.Width * vr.GetZoom()), (int)Math.Round(shapeBoundingbox.Height * vr.GetZoom()));
Point shapeCenter = new Point(shapePosition.X + shapeSize.Width / 2, shapePosition.Y + shapeSize.Height / 2);
oldCenter = new Point(shapeCenter.X, shapeCenter.Y);
}
}
}
if (oldCenter != Point.Empty)
{
zoomToShape = true;
}
else
{
// central point of center region as center for zooming
oldCenter = new Point(
(int)Math.Round(((double)oldvrdin.Width / 2) + (vr.GetXOffset() * -1)),
(int)Math.Round(((double)oldvrdin.Height / 2) + (vr.GetYOffset() * -1))
);
}
}
double zoomDivRatio = newZoom / oldZoom;
if (newZoom > 0 && (vr.ContentBox.Height <= vr.ContentHeight * zoomDivRatio || vr.ContentBox.Width <= vr.ContentWidth * zoomDivRatio))
{
Point newCenter = new Point(
(int)Math.Round(oldCenter.X * zoomDivRatio),
(int)Math.Round(oldCenter.Y * zoomDivRatio)
);
Point newOffset = new Point();
if (zoomToShape)
{
newOffset = new Point(oldOffset.X + (oldCenter.X - newCenter.X), oldOffset.Y + (oldCenter.Y - newCenter.Y));
}
else
{
newOffset = new Point(
(int)Math.Round((newCenter.X - ((double)oldvrdin.Width / 2)) * -1),
(int)Math.Round((newCenter.Y - ((double)oldvrdin.Height / 2)) * -1)
);
}
vr.SetZoom(newZoom);
vr.MoveTo(new Point(Math.Min(newOffset.X, 0), Math.Min(newOffset.Y, 0)));
}
else // set to smallest zoom level
{
vr.SetZoom(-1);
vr.SetXOffset(0);
vr.SetYOffset(0);
}
// check for correct panning
if (vr.GetXOffset() > 0)
{
vr.SetXOffset(0);
}
if (vr.GetYOffset() > 0)
{
vr.SetYOffset(0);
}
if ((vr.ContentWidth + vr.GetXOffset()) < vr.ContentBox.Width)
{
int maxOffset = Math.Min(0, vr.ContentBox.Width - vr.ContentWidth);
vr.SetXOffset(maxOffset);
}
if ((vr.ContentHeight + vr.GetYOffset()) < vr.ContentBox.Height)
{
int maxOffset = Math.Min(0, vr.ContentBox.Height - vr.ContentHeight);
vr.SetYOffset(maxOffset);
}
return(true);
}
return(false);
}
/// <summary>
/// Sets the shape for modification to the given observer.
/// </summary>
/// <param name="shape">The shape.</param>
/// <param name="observed">The observed.</param>
/// <param name="silent">if set to <c>true</c> no audio feedback about the selection is given.</param>
/// <param name="immediatly">if set to <c>true</c> the audio feedback is immediately given and all other audio feedback is aborted.</param>
/// <returns>the currently selected Shape observer</returns>
public OoShapeObserver GetShapeForModification(OoShapeObserver shape, OoAccessibleDocWnd observed = null, bool silent = true, bool immediately = true)
{
return(SetShapeForModification(shape, silent, immediately) ? shape : null);
}
/// <summary>
/// Builds an Observer class for the specific shape type.
/// </summary>
/// <param name="s">The shape to observe.</param>
/// <param name="page">The page the shape is placed on.</param>
/// <param name="parent">The parent shape if the shape is part of a group.</param>
/// <returns>
/// An shape observer class for the specific shape type.
/// </returns>
internal static OoShapeObserver BuildShapeObserver(XShape s, OoDrawPageObserver page, OoShapeObserver parent)
{
if (s != null && page != null)
{
if (OoUtils.ElementSupportsService(s, OO.Services.DRAW_SHAPE_CUSTOM))
{
return(new OoCustomShapeObserver(s, page, parent));
}
// normal shape
return(new OoShapeObserver(s, page, parent));
}
return(null);
}
/// <summary>
/// Builds an Observer class for the specific shape type.
/// </summary>
/// <param name="s">The shape to observe.</param>
/// <param name="page">The page the shape is placed on.</param>
/// <param name="parent">The parent shape if the shape is part of a group.</param>
/// <returns>
/// An shape observer class for the specific shape type.
/// </returns>
public static OoShapeObserver BuildShapeObserver(Object s, OoDrawPageObserver page, OoShapeObserver parent)
{
return(BuildShapeObserver(s as XShape, page, parent));
}
/// <summary>
/// Gets the audio text for the given element.
/// </summary>
/// <param name="element">The element to get the text of.</param>
/// <param name="additionalText">An additional text, that is put behind the element properties and befor the label (if available).</param>
/// <returns>A string that should describe the element in the following form: [ROLE] [NAME] [TITLE] (addintionalText) [TEXT]</returns>
public static String GetElementAudioText(OoShapeObserver element, string additionalText = "")
{
String result = String.Empty;
if (element != null && element.IsValid(false))
{
try
{
bool isText = element.IsText;
#region default element handling
if (isText)
{
result = LL.GetTrans("tangram.oomanipulation.element_speaker.text_element", element.Text, element.Title);
}
else
{
//result += element.AccComponent.Role + " " + element.Name;
result += element.Name;
if (!String.IsNullOrWhiteSpace(element.Title))
{
result += (result.EndsWith(" ") ? "" : " ") + element.Title;
}
}
if (!String.IsNullOrEmpty(additionalText))
{
result += (result.EndsWith(" ") ? "" : " ") + additionalText;
}
else
{
result = result.Trim();
}
#endregion
#region object text
if (!isText && !String.IsNullOrWhiteSpace(element.Text))
{
result += " - " + LL.GetTrans("tangram.oomanipulation.element_speaker.text_value", element.Text);
}
#endregion
#region Group
if (element.IsGroup || element.HasChildren)
{
int cCount = element.ChildCount;
result += (result.EndsWith(" ") ? "" : " ") + "- "
+ LL.GetTrans("tangram.oomanipulation.element_speaker.has_" + (cCount == 1 ? "one_child" : "children"), cCount.ToString());
}
#endregion
#region Group Member
if (element.IsGroupMember && element.Parent != null)
{
result += " - " + LL.GetTrans("tangram.oomanipulation.element_speaker.child_of", element.Parent.Name);
}
#endregion
}
catch (System.Exception ex)
{
Logger.Instance.Log(LogPriority.DEBUG, "OoElementSpeaker", "[ERROR] Can't play element: " + ex);
}
}
return(String.IsNullOrWhiteSpace(result) ? LL.GetTrans("tangram.oomanipulation.element_speaker.default") : result);
}
/// <summary>
/// Determines whether [is elements bounding box visible in view] [the specified view].
/// </summary>
/// <param name="view">The view.</param>
/// <param name="shape">The shape.</param>
/// <returns>
/// <c>true</c> if [is elements bounding box visible in view] [the specified view]; otherwise, <c>false</c>.
/// </returns>
public static bool IsElementsBoundingBoxVisibleInView(BrailleIOViewRange view, OoShapeObserver shape)
{
if (view != null && shape != null)
{
return(IsElementsBoundingBoxVisibleInView(GetViewPort(view), shape, Math.Max(0.0000001, view.GetZoom())));
}
return(false);
}
