public override void Draw(CellDrawingContext dc)
{
#if DEBUG
Stopwatch sw = Stopwatch.StartNew();
#endif
if (!Visible || //|| visibleGridRegion == GridRegion.Empty
bounds.Width <= 0 || bounds.Height <= 0)
{
return;
}
//bool needClip = this.Parent == null
// || this.bounds != this.Parent.Bounds;
//bool needTranslate = this.Parent == null
// || this.viewStart.X != this.Parent.ViewLeft
// || this.ViewStart.Y != this.Parent.ViewTop;
var g = dc.Graphics;
if (PerformTransform)
{
g.PushClip(this.bounds);
g.PushTransform();
g.TranslateTransform(bounds.Left - ScrollViewLeft * this.scaleFactor, bounds.Top - ScrollViewTop * this.scaleFactor);
}
DrawView(dc);
if (this.PerformTransform)
{
g.PopTransform();
g.PopClip();
}
#if VP_DEBUG
#if WINFORM
if (this is SheetViewport ||
this is ColumnHeaderView
//|| this is RowHeaderView
|| this is RowOutlineView)
{
//var rect = this.bounds;
//rect.Width--;
//rect.Height--;
//dc.Graphics.DrawRectangle(this.bounds, this is SheetViewport ? SolidColor.Blue : SolidColor.Purple);
var msg = $"{ this.GetType().Name }\n" +
$"{visibleRegion.ToRange()}\n" +
$"{this.ViewLeft}, {this.ViewTop}, ({ScrollX}, {ScrollY}), {this.Width}, {this.Height}\n" +
$"{this.ScrollableDirections}";
dc.Graphics.PlatformGraphics.DrawString(msg,
System.Drawing.SystemFonts.DefaultFont, System.Drawing.Brushes.Blue, this.Left + Width / 2, Top + Height / 2);
}
#elif WPF
var msg = string.Format("VR {0},{1}-{2},{3} VS X{4},Y{5}\nSD {6}", this.visibleRegion.startRow,
this.visibleRegion.startCol, this.visibleRegion.endRow, this.visibleRegion.endCol, this.ViewLeft, this.ViewTop,
this.ScrollableDirections.ToString());
var ft = new System.Windows.Media.FormattedText(msg, System.Globalization.CultureInfo.CurrentCulture, System.Windows.FlowDirection.LeftToRight,
new System.Windows.Media.Typeface("Arial"), 12, System.Windows.Media.Brushes.Blue, 96);
dc.Graphics.PlatformGraphics.DrawText(ft, new System.Windows.Point(this.Left + 1, this.Top + ((this is CellsViewport) ? 30 : this.Height / 2)));
#endif // WPF
#endif // VP_DEBUG
#if DEBUG
sw.Stop();
if (sw.ElapsedMilliseconds > 20)
{
Debug.WriteLine("draw viewport takes " + sw.ElapsedMilliseconds + " ms. visible region: rows: " + visibleRegion.Rows + ", cols: " + visibleRegion.Cols);
}
#endif // Debug
}
public override void Draw(CellDrawingContext dc)
{
#if DEBUG
Stopwatch sw = Stopwatch.StartNew();
#endif
if (!Visible || //|| visibleGridRegion == GridRegion.Empty
bounds.Width <= 0 || bounds.Height <= 0)
{
return;
}
//bool needClip = this.Parent == null
// || this.bounds != this.Parent.Bounds;
//bool needTranslate = this.Parent == null
// || this.viewStart.X != this.Parent.ViewLeft
// || this.ViewStart.Y != this.Parent.ViewTop;
var g = dc.Graphics;
if (PerformTransform)
{
g.PushClip(this.bounds);
g.PushTransform();
g.TranslateTransform(bounds.Left - ScrollViewLeft * this.scaleFactor, bounds.Top - ScrollViewTop * this.scaleFactor);
}
DrawView(dc);
if (this.PerformTransform)
{
g.PopTransform();
g.PopClip();
}
#if VP_DEBUG
if (this is SheetViewport ||
this is ColumnHeaderView
//|| this is RowHeaderView
|| this is RowOutlineView)
{
//var rect = this.bounds;
//rect.Width--;
//rect.Height--;
//dc.Graphics.DrawRectangle(this.bounds, this is SheetViewport ? SolidColor.Blue : SolidColor.Purple);
var msg = $"{ this.GetType().Name }\n" +
$"{visibleRegion.ToRange()}\n" +
$"{this.ViewLeft}, {this.ViewTop}, ({ScrollX}, {ScrollY}), {this.Width}, {this.Height}\n" +
$"{this.ScrollableDirections}";
dc.Graphics.PlatformGraphics.DrawString(msg,
System.Drawing.SystemFonts.DefaultFont, System.Drawing.Brushes.Blue, this.Left + Width / 2, Top + Height / 2);
}
#endif // VP_DEBUG
#if DEBUG
sw.Stop();
if (sw.ElapsedMilliseconds > 20)
{
Debug.WriteLine("draw viewport takes " + sw.ElapsedMilliseconds + " ms. visible region: rows: " + visibleRegion.Rows + ", cols: " + visibleRegion.Cols);
}
#endif // Debug
}
