/// <summary>
/// Creates the dragging image.
/// </summary>
/// <returns>The dragging image.</returns>
/// <param name="eventData">Pointer data.</param>
public IEnumerator CreateDraggingImage(PointerEventData eventData)
{
DebugEx.VerboseFormat("DockingTabButton.CreateDraggingImage(eventData = {0})", eventData);
yield return(new WaitForEndOfFrame());
Vector3[] corners = Utils.GetWindowCorners(mDockWidget.parent.transform as RectTransform);
float screenWidth = Screen.width;
float screenHeight = Screen.height;
float left = corners[0].x * Utils.canvasScale;
float top = corners[0].y * Utils.canvasScale;
float right = corners[3].x * Utils.canvasScale;
float bottom = corners[3].y * Utils.canvasScale;
if (left < 0f)
{
left = 0f;
}
if (top < 0f)
{
top = 0f;
}
if (right > screenWidth - 1)
{
right = screenWidth - 1;
}
if (bottom > screenHeight - 1)
{
bottom = screenHeight - 1;
}
int widgetX = Mathf.CeilToInt(left);
int widgetY = Mathf.CeilToInt(top);
int widgetWidth = Mathf.FloorToInt(right - left);
int widgetHeight = Mathf.FloorToInt(bottom - top);
float dragPosX = (eventData.pressPosition.x - widgetX) / Utils.canvasScale;
float dragPosY = (screenHeight - eventData.pressPosition.y - widgetY) / Utils.canvasScale;
DragData.BeginDrag(
DraggingType.DockWidget
, gameObject
, Sprite.Create(
Utils.TakeScreenshot(widgetX, widgetY, widgetWidth, widgetHeight)
, new Rect(0, 0, widgetWidth, widgetHeight)
, new Vector2(0.5f, 0.5f)
)
, widgetWidth / Utils.canvasScale
, widgetHeight / Utils.canvasScale
, dragPosX
, dragPosY
);
}
