本文整理汇总了C#中System.Windows.Media.DrawingContext.DrawCenterText方法的典型用法代码示例。如果您正苦于以下问题：C# DrawingContext.DrawCenterText方法的具体用法？C# DrawingContext.DrawCenterText怎么用？C# DrawingContext.DrawCenterText使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Windows.Media.DrawingContext的用法示例。
在下文中一共展示了DrawingContext.DrawCenterText方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: RowRender
protected override void RowRender(int index, double top, DrawingContext dc)
{
foreach (var item in Element.GetItems(index, GetViewRange()))
{
var block = item as ITerm;
if (block == null)
continue;
if (OutOfVisualRange(block))
continue;
var rect = block.Start.Date.ToRect(Element.AxisXConverter, top, Element.BlockConverter.GetHeight(block));
if (Element.BlockConverter.IsDirty(block))
dc.DrawRectangle(Background, null, rect.SetMargin(new Thickness(0, 0, 0, 1)));
dc.DrawCenterText(Element.BlockConverter.GetContentText(block), rect, Element.BlockConverter.GetForeground(block));
}
//var itemsSource = Element.ItemsSource;
//var axisXConverter = Element.AxisXConverter;
//var blockConverter = Element.BlockConverter;
//var screenStart = axisXConverter.ScreenToData(0);
//var screenEnd = axisXConverter.ScreenToData(Element.RenderSize.Width);
//var terms = itemsSource[index];
//if (terms == null) return;
//foreach (var item in terms)
//{
// var block = item as ITerm;
// if (block == null)
// continue;
// var blockStart = block.Start;
// var blockEnd = block.End;
// if (blockStart > screenEnd || blockEnd < screenStart)
// continue;
// var blockLeft = axisXConverter.DataToScreen(blockStart);
// var blockRight = axisXConverter.DataToScreen(blockEnd);
// var blockHeight = Element.Interval;
// var blockTop = 0;
// //new Pen(Brushes.Black,1)
// var rect = new Rect(blockLeft, blockTop, blockRight - blockLeft, blockHeight);
// context.DrawRectangle(blockConverter.GetBackground(block), null, rect);
// //班名
// var text = blockConverter.GetContentText(block);
//DrawCenterText(text, "/", blockConverter.FontSize, rect, Brushes.Black, context);
//}
}示例2: RowRender
protected override void RowRender(int index, double top, DrawingContext dc)
{
var viewRange = GetViewRange();
var height = Element.Interval;
Element.GetItems(index, viewRange).SaftyInvoke<IDateIndexer<ITerm>>(o =>
{
var day = viewRange.Start.Date;
var end = viewRange.End.Date;
while (day < end)
{
var block = o[day];
if (block != null)
{
var foreground = Element.BlockConverter.GetForeground(block);
var rect = day.ToRect(Element.AxisXConverter, top, height);
var dateTerm = Element.ItemsSource[index].SaftyGetProperty<DateTerm, IDateIndexer<DateTerm>>(t => t[day]);
if (dateTerm != null && Background != Brushes.Transparent && Background != null)
{
// dc.DrawGuidelineRect(null, _pen, rect.SetMargin(new Thickness(0, -1, 0, 1)));
dc.DrawRectangle( Element.BlockConverter.GetBackground(block) ?? Background, null, rect.SetMargin(new Thickness(1, 0, 0, 0.5))); //like dirty cell
}
if (dateTerm != null && !string.IsNullOrEmpty(dateTerm.Text))
{
dc.DrawCenterText(dateTerm.Text, rect, foreground);
}
else
{
var text = Element.BlockConverter.GetContentText(block);
if (!string.IsNullOrEmpty(text))
{
FormattedText formattedText;
if (!_formatedTextCaches.ContainsKey(text))
{
formattedText = text.ToFormattedText(foreground);
var charWidth = formattedText.Width / text.Length;
if (formattedText.Width > rect.Width)
{
var maxChar = (int)(rect.Width / charWidth);
formattedText = text.Substring(0, maxChar).ToFormattedText(foreground);
}
_formatedTextCaches[text] = new Tuple<FormattedText, double>(formattedText, ((rect.Height - formattedText.Baseline) / 2));
}
else
formattedText = _formatedTextCaches[text].Item1;
var horizontailMargin = (rect.Width - formattedText.Width) / 2; //margin left & right
//Item1 = formatedText , Item2 = top margin
if(dateTerm==null)
Element.BlockConverter.GetBackground(block).SaftyInvoke(
b => dc.DrawRectangle(b, null, rect.SetMargin(new Thickness(1, 0, 0, 0.5))));
dc.DrawText(formattedText, new Point(rect.Left + horizontailMargin, rect.Top + _formatedTextCaches[text].Item2));
}
}
}
day = day.AddDays(1);
}
});
//Element.ItemsSource[index].SaftyInvoke<IDateIndexer<DateTerm>>(o =>
//{
// var viewRange = GetViewRange();
// var day = viewRange.Start.Date;
// var end = viewRange.End.Date.AddDays(1);
// while (day < end)
// {
// var dateTerm = o[day];
// if (dateTerm != null)
// {
// var rect = dateTerm.Date.ToRect(Element.AxisXConverter, 0, Element.Interval);
// dc.DrawRectangle(Background, null, rect.SetMargin(new Thickness(0, 0, 0, 1)));
// dc.DrawCenterText(dateTerm.Text, rect, Brushes.White);
// }
// day = day.AddDays(1);
// }
//});
//Element.ItemsSource[index].SaftyInvoke<IDateIndexer<DateTerm>>(o =>
//{
// var viewRange = GetViewRange();
// var day = viewRange.Start.Date;
// var end = viewRange.End.Date.AddDays(1);
// while (day < end)
// {
// var dateTerm = o[day];
// if (dateTerm != null)
// {
// var rect = dateTerm.Date.ToRect(Element.AxisXConverter, 0, Element.Interval);
// dc.DrawRectangle(Background, null, rect.SetMargin(new Thickness(0, 0, 0, 1)));
//.........这里部分代码省略.........