コード例 #1
0
        public bool OnMouseLeftDown(Point mouse, Point imageLocation, float imageZoom)
        {
            if (metadata == null || screenToolManager == null)
            {
                return(false);
            }

            // At this point we must know the current timestamp and metadata should be valid.
            // TODO: Handle magnifier.
            // TODO: see if this could handle whole image manipulation as well, but at the moment the resizers are stored in the viewport.

            bool handled = false;
            ImageToViewportTransformer transformer = new ImageToViewportTransformer(imageLocation, imageZoom);
            PointF imagePoint = transformer.Untransform(mouse);

            metadata.AllDrawingTextToNormalMode();

            if (screenToolManager.IsUsingHandTool)
            {
                // TODO: Change cursor.
                handled = screenToolManager.HandTool.OnMouseDown(metadata, fixedKeyframe, imagePoint, fixedTimestamp, true);
            }
            else
            {
                handled = true;
                CreateNewDrawing(imagePoint, transformer);
            }

            return(handled);
        }