| private PushLocalClipArea ( float w, float h ) : bool | ||
| w | float | |
| h | float | |
| return | bool | |
protected virtual void PaintImp(PaintVisitor p)
{
//if (this.dbugMark2 == 10 || this.dbugMark2 == 12)
//{
//}
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
//-----------------------------------------------
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 (this._renderBGAndBorder)
{
RectangleF bound = new RectangleF(0, 0, this.VisualWidth, this.VisualHeight);
PaintBackground(p, bound, true, true);
if (this.HasSomeVisibleBorder)
{
p.PaintBorders(this, bound, true, true);
}
#if DEBUG
dbugPaint(p, bound);
#endif
}
//---------------------------------------------
if (this.LineBoxCount > 0)
{
float viewport_top = p.ViewportTop;
float viewport_bottom = p.ViewportBottom;
int drawState = 0;
var c_lineNode = this._clientLineBoxes.First;
while (c_lineNode != null)
{
CssLineBox line = c_lineNode.Value;
if (line.CachedLineBottom >= viewport_top &&
line.CachedLineTop <= viewport_bottom)
{
#if DEBUG
dbugCounter.dbugLinePaintCount++;
#endif
drawState = 1;//drawing in viewport area
int cX = p.CanvasOriginX;
int cy = p.CanvasOriginY;
p.SetCanvasOrigin(cX, cy + (int)line.CachedLineTop);
//1.
line.PaintBackgroundAndBorder(p);
if (line.SelectionSegment != null)
{
line.SelectionSegment.PaintSelection(p, line);
}
//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 = this._aa_boxes.GetFirstLinkedNode();
while (node != null)
{
CssBox b = node.Value;
if (b.CssDisplay == Css.CssDisplay.None)
{
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))
{
b.Paint(p);
}
p.PopLocalClipArea();
}
else
{
b.Paint(p);
}
node = node.Next;
}
p.SetCanvasOrigin(ox, oy);
p.PopContainingBlock();
}
else
{
//if not
int ox = p.CanvasOriginX;
int oy = p.CanvasOriginY;
var node = this._aa_boxes.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);
}
}
//------------------------------------------
//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;
var node = this._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);
box.Paint(p);
p.SetCanvasOrigin(ox, oy);
}
p.PopContainingBlock();
p.PushLocalClipArea(latestClipRect.Width, latestClipRect.Height);//push back
}
p.ExitCurrentLatePaintContext();
//must! ,
if (hasPrevClip)
{
p.PopLocalClipArea();
}
#if DEBUG
p.dbugExitContext();
#endif
}
protected override void RenderClientContent(DrawBoard d, UpdateArea updateArea)
{
//TODO: review here,
if (_myHtmlVisualRoot == null)
{
return;
}
bool useBackbuffer = d.IsGpuDrawBoard;
//useBackbuffer = false;
//... TODO: review here, check doc update here?
_myHtmlVisualRoot.CheckDocUpdate();
if (useBackbuffer)
{
PaintVisitor painter = PaintVisitorStock.GetSharedPaintVisitor(_myHtmlVisualRoot, d);
if (_builtInBackBuffer == null)
{
_builtInBackBuffer = painter.CreateOffscreenDrawBoard(this.Width, this.Height);
}
#if DEBUG
painter.dbugDrawDiagonalBox(Color.Blue, this.X, this.Y, this.Width, this.Height);
#endif
if (!_builtInBackBuffer.IsValid)
{
//painter.FillRectangle(Color.Red, 0, 0, 100, 100);//debug
//painter.DrawText(i.ToString().ToCharArray(), 0, 1, new PointF(0, 0), new SizeF(100, 100)); //debug
float backupViewportW = painter.ViewportWidth; //backup
float backupViewportH = painter.ViewportHeight; //backup
painter.EnterNewDrawboardBuffer(_builtInBackBuffer); //*** switch to builtInBackbuffer
painter.SetViewportSize(this.Width, this.Height);
if (!_hasAccumRect)
{
_invalidateRect = new Rectangle(0, 0, Width, Height);
}
#if DEBUG
//System.Diagnostics.Debug.WriteLine("inv_rect:" + _invalidateRect + "," + painter.ToString());
#endif
if (painter.PushLocalClipArea(
_invalidateRect.Left, _invalidateRect.Top,
_invalidateRect.Width, _invalidateRect.Height))
{
#if DEBUG
//for debug , test clear with random color
//another useful technique to see latest clear area frame-by-frame => use random color
//painter.Clear(ColorEx.dbugGetRandomColor());
painter.Clear(Color.White);
#else
painter.Clear(Color.White);
#endif
_myHtmlVisualRoot.PerformPaint(painter);
painter.PopLocalClipArea();
}
//
_builtInBackBuffer.IsValid = true;
_hasAccumRect = false;
painter.ExitCurrentDrawboardBuffer(); //*** switch back
painter.SetViewportSize(backupViewportW, backupViewportH); //restore viewport size
}
painter.DrawImage(_builtInBackBuffer.GetImage(), 0, 0, this.Width, this.Height);
PaintVisitorStock.ReleaseSharedPaintVisitor(painter);
}
#if DEBUG
else if (dbugPreferSoftwareRenderer && d.IsGpuDrawBoard)
{
//TODO: review this again ***
//test built-in 'shared' software rendering surface
DrawBoard cpuDrawBoard = null;
if ((cpuDrawBoard = d.GetCpuBlitDrawBoard()) != null)
{
cpuDrawBoard.Clear(Color.White);
PaintVisitor painter = PaintVisitorStock.GetSharedPaintVisitor(_myHtmlVisualRoot, cpuDrawBoard);
painter.SetViewportSize(this.Width, this.Height);
#if DEBUG
painter.dbugDrawDiagonalBox(Color.Blue, this.X, this.Y, this.Width, this.Height);
#endif
_myHtmlVisualRoot.PerformPaint(painter);
PaintVisitorStock.ReleaseSharedPaintVisitor(painter);
//then copy from cpu to gpu
d.BlitFrom(cpuDrawBoard, X, Y, this.Width, this.Height, 0, 0);
}
}
#endif
else
{
PaintVisitor painter = PaintVisitorStock.GetSharedPaintVisitor(_myHtmlVisualRoot, d);
painter.SetViewportSize(this.Width, this.Height);
#if DEBUG
//System.Diagnostics.Debug.WriteLine(">> 500x500");
painter.dbugDrawDiagonalBox(Color.Blue, this.X, this.Y, this.Width, this.Height);
//for debug , test clear with random color
//another useful technique to see latest clear area frame-by-frame => use random color
//painter.Clear(Color.FromArgb(255, dbugRandom.Next(0, 255), dbugRandom.Next(0, 255), dbugRandom.Next(0, 255)));
#endif
#if DEBUG
//System.Diagnostics.Debug.WriteLine("inv_rect:" + _invalidateRect + "," + painter.ToString());
#endif
//painter.SetClipRect(new Rectangle(0, 0, 200, 200));
_myHtmlVisualRoot.PerformPaint(painter);
#if DEBUG
//System.Diagnostics.Debug.WriteLine("<< 500x500");
//painter.dbugDrawDiagonalBox(Color.Blue, this.X, this.Y, this.Width, this.Height);
#endif
PaintVisitorStock.ReleaseSharedPaintVisitor(painter);
}
}
protected virtual void PaintImp(PaintVisitor p)
{
//if (this.dbugMark2 == 10 || this.dbugMark2 == 12)
//{
//}
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
//-----------------------------------------------
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 (this._renderBGAndBorder)
{
RectangleF bound = new RectangleF(0, 0, this.VisualWidth, this.VisualHeight);
PaintBackground(p, bound, true, true);
if (this.HasSomeVisibleBorder)
{
p.PaintBorders(this, bound, true, true);
}
#if DEBUG
dbugPaint(p, bound);
#endif
}
//---------------------------------------------
if (this.LineBoxCount > 0)
{
float viewport_top = p.ViewportTop;
float viewport_bottom = p.ViewportBottom;
int drawState = 0;
var c_lineNode = this._clientLineBoxes.First;
while (c_lineNode != null)
{
CssLineBox line = c_lineNode.Value;
if (line.CachedLineBottom >= viewport_top &&
line.CachedLineTop <= viewport_bottom)
{
#if DEBUG
dbugCounter.dbugLinePaintCount++;
#endif
drawState = 1;//drawing in viewport area
int cX = p.CanvasOriginX;
int cy = p.CanvasOriginY;
p.SetCanvasOrigin(cX, cy + (int)line.CachedLineTop);
//1.
line.PaintBackgroundAndBorder(p);
if (line.SelectionSegment != null)
{
line.SelectionSegment.PaintSelection(p, line);
}
//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 = this._aa_boxes.GetFirstLinkedNode();
while (node != null)
{
CssBox b = node.Value;
if (b.CssDisplay == Css.CssDisplay.None)
{
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))
{
b.Paint(p);
}
p.PopLocalClipArea();
}
else
{
b.Paint(p);
}
node = node.Next;
}
p.SetCanvasOrigin(ox, oy);
p.PopContainingBlock();
}
else
{
//if not
int ox = p.CanvasOriginX;
int oy = p.CanvasOriginY;
var node = this._aa_boxes.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);
}
}
//------------------------------------------
//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;
var node = this._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);
box.Paint(p);
p.SetCanvasOrigin(ox, oy);
}
p.PopContainingBlock();
p.PushLocalClipArea(latestClipRect.Width, latestClipRect.Height);//push back
}
p.ExitCurrentLatePaintContext();
//must! ,
if (hasPrevClip)
{
p.PopLocalClipArea();
}
#if DEBUG
p.dbugExitContext();
#endif
}
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
}