//============================================================
// <T>绘制处理。</T>
//
// @param sender 发送者
// @param e:event 事件
//============================================================
public void Paint()
{
// 检查设置
if (!_setuped)
{
return;
}
// 获得设备
FDxDevice2d device = _context.Device;
FDxContext2d context = _context.Context;
context.TransformIdentity();
// 开始绘制
device.BeginDraw();
// 清空目标
context.Clear();
// 填充背景
if (_designBack)
{
context.FillRectangle(_designBackBrush.brush, 0, 0, _size.Width, _size.Height);
}
else
{
context.FillRectangle(_backBrush, 0, 0, _size.Width, _size.Height);
}
// 绘制预览层
DrawPreviewLayers();
// 绘制表单
SUiDrawArgs args = new SUiDrawArgs();
args.Context = context;
if (_designFrame.DesignVisible)
{
// 绘制表单
context.TransformIdentity();
_designFrame.Draw(args);
// 绘制下拉部分
if (args.DropControl != null)
{
context.TransformIdentity();
args.DropControl.Draw(args);
}
}
// 绘制辅助器
if (_selection.HasFocusControl())
{
// 绘制辅助线
DrawAidLines();
// 绘制辅助器
_designFrame.DrawDesign(args);
}
// 结束绘制
device.EndDraw();
}
//============================================================
// <T>开始绘制处理。</T>
//
// @param args 参数
//============================================================
public void Draw(SUiDrawArgs args)
{
FDxContext2d context = _context.Context;
context.TransformIdentity();
// 计算坐标
_location.Assign(_control.CalculateDisplayPosition());
_size.Assign(_control.CalculateDisplaySize());
// 绘制选择区域
if (_designSelect)
{
// 绘制底版
context.FillRectangle(_selectBackColor.brush, _location.X, _location.Y, _size.Width, _size.Height);
// 绘制边线
context.DrawRectangle(_selectForeColor.brush, _location.X, _location.Y, _size.Width, _size.Height);
}
// 绘制辅助点区域
if (_designFocus)
{
CalculatePoints();
foreach (SUiControlPoint point in _points)
{
DrawPoint(point);
}
}
}
//============================================================
// <T>开始绘制处理。</T>
//
// @param args 参数
//============================================================
public virtual void OnDrawBegin(SUiDrawArgs args)
{
FDxContext2d context = _context.Context;
FRcControl resource = ControlResource;
// 绘制设计背景
if (_designGround)
{
context.FillRectangle(_context.DesignGroundColor.brush, 0, 0, _designSize.Width, _designSize.Height);
}
// 绘制后景颜色
if (resource.BackColor != 0)
{
context.FillRectangle(resource.BackColor, 0, 0, _designSize.Width, _designSize.Height);
}
// 绘制后景
DrawResource(_backResource);
}
//============================================================
// <T>绘制处理点。</T>
//
// @param args 参数
//============================================================
public void DrawPoint(SUiControlPoint point)
{
int x = point.Point.X - 2;
int y = point.Point.Y - 2;
// 绘制边线
FDxContext2d context = _context.Context;
context.FillRectangle(_pointBackBrush, x, y, _pointForeSize.Width, _pointForeSize.Height);
context.DrawRectangle(_pointForeBrush, x, y, _pointBackSize.Width, _pointBackSize.Height);
}