Esempio n. 1
0
        private void UpdateLayout()
        {
            if (_content2 == null && _content.texture == null && _content.frames == null)
            {
                if (_autoSize)
                {
                    _updatingLayout = true;
                    this.SetSize(50, 30);
                    _updatingLayout = false;
                }
                return;
            }

            _contentWidth  = _contentSourceWidth;
            _contentHeight = _contentSourceHeight;

            if (_autoSize)
            {
                _updatingLayout = true;
                if (_contentWidth == 0)
                {
                    _contentWidth = 50;
                }
                if (_contentHeight == 0)
                {
                    _contentHeight = 30;
                }
                this.SetSize(_contentWidth, _contentHeight);
                _updatingLayout = false;

                if (_width == _contentWidth && _height == _contentHeight)
                {
                    if (_content2 != null)
                    {
                        _content2.SetPosition(0, 0);
                        _content2.SetScale(1, 1);
                    }
                    else
                    {
                        _content.SetPosition(0, 0);
                        _content.SetSize(_contentWidth, _contentHeight);
                    }
                    return;
                }
                //如果不相等,可能是由于大小限制造成的,要后续处理
            }

            float sx = 1, sy = 1;

            if (_fill != FillType.None)
            {
                sx = this.width / _contentSourceWidth;
                sy = this.height / _contentSourceHeight;

                if (sx != 1 || sy != 1)
                {
                    if (_fill == FillType.ScaleMatchHeight)
                    {
                        sx = sy;
                    }
                    else if (_fill == FillType.ScaleMatchWidth)
                    {
                        sy = sx;
                    }
                    else if (_fill == FillType.Scale)
                    {
                        if (sx > sy)
                        {
                            sx = sy;
                        }
                        else
                        {
                            sy = sx;
                        }
                    }
                    else if (_fill == FillType.ScaleNoBorder)
                    {
                        if (sx > sy)
                        {
                            sy = sx;
                        }
                        else
                        {
                            sx = sy;
                        }
                    }

                    if (_shrinkOnly)
                    {
                        if (sx > 1)
                        {
                            sx = 1;
                        }
                        if (sy > 1)
                        {
                            sy = 1;
                        }
                    }

                    _contentWidth  = (int)Math.Floor(_contentSourceWidth * sx);
                    _contentHeight = (int)Math.Floor(_contentSourceHeight * sy);
                }
            }

            if (_content2 != null)
            {
                _content2.SetScale(sx, sy);
            }
            else
            {
                _content.size = new Vector2(_contentWidth, _contentHeight);
            }

            float nx;
            float ny;

            if (_align == AlignType.Center)
            {
                nx = (int)Math.Floor((this.width - _contentWidth) / 2);
            }
            else if (_align == AlignType.Right)
            {
                nx = (int)Math.Floor(this.width - _contentWidth);
            }
            else
            {
                nx = 0;
            }
            if (_verticalAlign == VertAlignType.Middle)
            {
                ny = (int)Math.Floor((this.height - _contentHeight) / 2);
            }
            else if (_verticalAlign == VertAlignType.Bottom)
            {
                ny = (int)Math.Floor(this.height - _contentHeight);
            }
            else
            {
                ny = 0;
            }
            if (_content2 != null)
            {
                _content2.SetPosition(nx, ny);
            }
            else
            {
                _content.SetPosition(nx, ny);
            }
        }