protected virtual void PaintImp(PaintVisitor p)
{
#if DEBUG
//if (__aa_dbugId == 6)
//{
//}
//if (this.dbugMark2 == 10 || this.dbugMark2 == 12)
//{
//}
#endif
Css.CssDisplay display = this.CssDisplay;
//
if (display == Css.CssDisplay.TableCell &&
this.EmptyCells == Css.CssEmptyCell.Hide &&
this.IsSpaceOrEmpty)
{
return;
}
#if DEBUG
p.dbugEnterNewContext(this, PaintVisitor.PaintVisitorContextName.Init);
#endif
Color prevBgColorHint = p.CurrentSolidBackgroundColorHint;
//-----------------------------------------------
bool hasPrevClip = false;
RectangleF prevClip = RectangleF.Empty;
p.EnterNewLatePaintContext();
//---------------------------------------------
//if (display != Css.CssDisplay.Inline ||
// this.Position == Css.CssPosition.Absolute ||
// this.Position == Css.CssPosition.Fixed)
if (_renderBGAndBorder)
{
RectangleF bounds = new RectangleF(0, 0, this.VisualWidth, this.VisualHeight);
PaintBackground(p, bounds, true, true);
if (this.HasSomeVisibleBorder)
{
p.PaintBorders(this, bounds, true, true);
}
#if DEBUG
dbugPaint(p, bounds);
#endif
}
//---------------------------------------------
if (this.LineBoxCount > 0)
{
float viewport_top = p.ViewportTop;
float viewport_bottom = p.ViewportBottom;
int drawState = 0;
var c_lineNode = _clientLineBoxes.First;
while (c_lineNode != null)
{
CssLineBox line = c_lineNode.Value;
if (line.CachedLineBottom >= viewport_top &&
line.CachedLineTop <= viewport_bottom)
{
Rectangle currentClipRect = p.CurrentClipRect;
drawState = 1;//drawing in viewport area
#if DEBUG
//System.Diagnostics.Debug.WriteLine("clip_rect:" + currentClipRect);
dbugCounter.dbugLinePaintCount++;
#endif
int cX = p.CanvasOriginX;
int cy = p.CanvasOriginY;
int newCy = cy + (int)line.CachedLineTop;
if (newCy <= (cy + currentClipRect.Bottom) &&
newCy + line.CacheLineHeight >= (cy + currentClipRect.Top))
{
p.SetCanvasOrigin(cX, newCy);
//1.
line.PaintBackgroundAndBorder(p);
SelectionSegment selSegment = line.SelectionSegment;
if (selSegment != null)
{
switch (selSegment.Kind)
{
case SelectionSegmentKind.FullLine:
{
Color prevColor2 = p.CurrentSolidBackgroundColorHint; //save2
p.CurrentSolidBackgroundColorHint = p.CssBoxSelectionColor;
selSegment.PaintSelection(p, line);
line.PaintRuns(p);
p.CurrentSolidBackgroundColorHint = prevColor2; //restore2
}
break;
case SelectionSegmentKind.PartialBegin:
case SelectionSegmentKind.SingleLine:
case SelectionSegmentKind.PartialEnd:
{
//TODO: review here again***
//partial line
//[A]
line.PaintRuns(p); //normal line
//-----
//[B]
//selection part with clip rect
Color prevColor2 = p.CurrentSolidBackgroundColorHint; //save2
//p.CurrentSolidBackgroundColorHint = prevBgColorHint;
int xpos = selSegment.BeginAtPx;
int w = selSegment.WidthPx;
Rectangle clipRect = p.CurrentClipRect;
p.SetClipArea(xpos, 0, w, (int)line.CacheLineHeight);
selSegment.PaintSelection(p, line);
p.CurrentSolidBackgroundColorHint = p.CssBoxSelectionColor;
line.PaintRuns(p);
p.SetClipArea(clipRect.X, clipRect.Top, clipRect.Width, clipRect.Height); //restore
p.CurrentSolidBackgroundColorHint = prevColor2; //restore2
}
break;
}
}
else
{
//2.
line.PaintRuns(p);
}
//3.
line.PaintDecoration(p);
#if DEBUG
line.dbugPaintRuns(p);
#endif
p.SetCanvasOrigin(cX, cy);//back
}
}
else if (drawState == 1)
{
//outof viewport -> break
break;
}
//----------------------------------------
c_lineNode = c_lineNode.Next;
}
}
else
{
if (this.HasContainingBlockProperty)
{
p.PushContaingBlock(this);
int ox = p.CanvasOriginX;
int oy = p.CanvasOriginY;
var node = _aa_boxes.GetFirstLinkedNode();
while (node != null)
{
CssBox b = node.Value;
if (b.CssDisplay == Css.CssDisplay.None || b.IsAddedToAbsoluteLayer)
{
node = node.Next;
continue;
}
else if (b.IsOutOfFlowBox)
{
//
p.AddToLatePaintList(b);
node = node.Next;
continue;
}
//move to left-top of client box
p.SetCanvasOrigin(ox + (int)b.LocalX, oy + (int)b.LocalY);
if (b._decorator != null)
{
b._decorator.Paint(b, p);
}
if (b.HasClipArea)
{
if (p.PushLocalClipArea(b.VisualWidth, b.VisualHeight))
{
CssBox.Paint(b, p);
p.PopLocalClipArea();
}
}
else
{
CssBox.Paint(b, p);
}
node = node.Next;
}
p.SetCanvasOrigin(ox, oy);
p.PopContainingBlock();
}
else
{
//if not
int ox = p.CanvasOriginX;
int oy = p.CanvasOriginY;
var node = _aa_boxes.GetFirstLinkedNode();
while (node != null)
{
CssBox b = node.Value;
if (b.CssDisplay == Css.CssDisplay.None || b.IsAddedToAbsoluteLayer)
{
node = node.Next;
continue;
}
p.SetCanvasOrigin(ox + (int)b.LocalX, oy + (int)b.LocalY);
CssBox.Paint(b, p);
node = node.Next;
}
p.SetCanvasOrigin(ox, oy);
}
}
//------------------------------------------
//debug
//var clientLeft = this.ClientLeft;
//g.DrawRectangle(Pens.GreenYellow, 0, 0, 5, 10);
//g.DrawRectangle(Pens.HotPink, this.ClientRight - 5, 0, 5, 10);
//------------------------------------------
if (this.HasAbsoluteLayer)
{
p.PushContaingBlock(this);
int ox = p.CanvasOriginX;
int oy = p.CanvasOriginY;
int j = _absPosLayer.Count;
for (int i = 0; i < j; ++i)
{
CssBox b = _absPosLayer.GetBox(i);
if (b.CssDisplay == Css.CssDisplay.None)
{
continue;
}
p.SetCanvasOrigin(ox + (int)b.LocalX, oy + (int)b.LocalY);
CssBox.Paint(b, p);
}
//var node = _absPosLayer.GetFirstLinkedNode();
//while (node != null)
//{
// CssBox b = node.Value;
// if (b.CssDisplay == Css.CssDisplay.None)
// {
// node = node.Next;
// continue;
// }
// p.SetCanvasOrigin(ox + (int)b.LocalX, oy + (int)b.LocalY);
// b.Paint(p);
// node = node.Next;
//}
p.SetCanvasOrigin(ox, oy);
p.PopContainingBlock();
}
if (p.LatePaintItemCount > 0)
{
//late paint -> floatBox
Rectangle latestClipRect = p.CurrentClipRect;
p.PopLocalClipArea(); //temp
p.PushContaingBlock(this);
int j = p.LatePaintItemCount;
int ox = p.CanvasOriginX;
int oy = p.CanvasOriginY;
for (int i = 0; i < j; ++i)
{
CssBox box = p.GetLatePaintItem(i);
if (box.CssDisplay == Css.CssDisplay.None)
{
continue;
}
p.SetCanvasOrigin(ox + (int)box.LocalX, oy + (int)box.LocalY);
CssBox.Paint(box, p);
p.SetCanvasOrigin(ox, oy);
}
p.PopContainingBlock();
p.PushLocalClipArea(latestClipRect.Width, latestClipRect.Height);//push back
}
p.ExitCurrentLatePaintContext();
//must! ,
if (hasPrevClip)
{
p.PopLocalClipArea();
}
p.CurrentSolidBackgroundColorHint = prevBgColorHint;
#if DEBUG
p.dbugExitContext();
#endif
}