コード例 #1
0
ファイル: GrabHandles.cs プロジェクト: hamish-milne/FontEdit
 static bool HasCorner(GrabCorner c, GrabCorner f)
 {
     return (c & f) != GrabCorner.None;
 }
コード例 #2
0
ファイル: GrabHandles.cs プロジェクト: hamish-milne/FontEdit
        void DrawHandles(ref Rect uiRect, ref GrabCorner dragging)
        {
            var nr = Normalize(uiRect);

            foreach (var handle in grabHandles)
            {
                var r = handle.rect(nr);
                // AddCursorRect requires positive height and width (from 'Normalize')
                EditorGUIUtility.AddCursorRect(r, handle.cursor);
                if (handle.cursor != MouseCursor.MoveArrow)
                    GUI.DrawTexture(r, handles);
                // Start drag
                if (Event.current.type == EventType.mouseDown && r.Contains(Event.current.mousePosition))
                {
                    var d = handle.corners;
                    if (uiRect.width < 0f) // Invert X
                    {
                        if (HasCorner(d, GrabCorner.XMin) && !HasCorner(d, GrabCorner.XMax))
                            d = (d | GrabCorner.XMax) & ~GrabCorner.XMin;
                        else if (HasCorner(d, GrabCorner.XMax) && !HasCorner(d, GrabCorner.XMin))
                            d = (d | GrabCorner.XMin) & ~GrabCorner.XMax;
                    }
                    if (uiRect.height < 0f) // Invert Y
                    {
                        if (HasCorner(d, GrabCorner.YMin) && !HasCorner(d, GrabCorner.YMax))
                            d = (d | GrabCorner.YMax) & ~GrabCorner.YMin;
                        else if (HasCorner(d, GrabCorner.YMax) && !HasCorner(d, GrabCorner.YMin))
                            d = (d | GrabCorner.YMin) & ~GrabCorner.YMax;
                    }
                    dragging = d;
                    // Using RecordObject doesn't work fully here, for some reason
                    Undo.RegisterCompleteObjectUndo(this, "Drag font character");
                }
            }

            if (dragging != GrabCorner.None)
            {
                // Move drag
                if (Event.current.type == EventType.mouseDrag)
                {
                    var d = dragging;
                    if (HasCorner(d, GrabCorner.XMin))
                        uiRect.xMin += Event.current.delta.x;
                    if (HasCorner(d, GrabCorner.XMax))
                        uiRect.xMax += Event.current.delta.x;
                    if (HasCorner(d, GrabCorner.YMin))
                        uiRect.yMin += Event.current.delta.y;
                    if (HasCorner(d, GrabCorner.YMax))
                        uiRect.yMax += Event.current.delta.y;
                }
                else if (Event.current.type == EventType.mouseUp)
                {
                    // Stop drag
                    dragging = GrabCorner.None;
                }
            }
        }