public static void Paint(CssBox box, PaintVisitor p)
{
#if DEBUG
dbugCounter.dbugBoxPaintCount++;
#endif
if (box._isVisible)
{
//offset
if (box._mayHasViewport)
{
if (box.ViewportX != 0 || box.ViewportY != 0)
{
int enter_canvas_X = p.CanvasOriginX;
int enter_canvas_Y = p.CanvasOriginY;
p.SetCanvasOrigin(enter_canvas_X - box.ViewportX, enter_canvas_Y - box.ViewportY);
box.PaintImp(p);
p.SetCanvasOrigin(enter_canvas_X, enter_canvas_Y);//restore
}
else
{
box.PaintImp(p);
}
}
else
{
box.PaintImp(p);
}
}
}
public void Paint(PaintVisitor p)
{
#if DEBUG
//if (__aa_dbugId == 5)
//{
//}
dbugCounter.dbugBoxPaintCount++;
#endif
if (_isVisible)
{
//offset
if (_mayHasViewport)
{
p.OffsetCanvasOrigin(-this.ViewportX, -this.ViewportY);
PaintImp(p);
p.OffsetCanvasOrigin(this.ViewportX, this.ViewportY);
}
else
{
PaintImp(p);
}
}
}
/// <summary>
/// Draws all the border of the box with respect to style, width, etc.
/// </summary>
/// <param name="g">the device to draw into</param>
/// <param name="box">the box to draw borders for</param>
/// <param name="rect">the bounding rectangle to draw in</param>
/// <param name="isFirst">is it the first rectangle of the element</param>
/// <param name="isLast">is it the last rectangle of the element</param>
public static void DrawBoxBorders(PaintVisitor p, CssBox box, RectangleF rect, bool isFirst, bool isLast)
{
if (rect.Width > 0 && rect.Height > 0)
{
if (box.BorderTopVisible)
{
DrawBorder(CssSide.Top, box, p, rect, isFirst, isLast);
}
if (isFirst && box.BorderLeftVisible)
{
DrawBorder(CssSide.Left, box, p, rect, true, isLast);
}
if (box.BorderBottomVisible)
{
DrawBorder(CssSide.Bottom, box, p, rect, isFirst, isLast);
}
if (isLast && box.BorderRightVisible)
{
DrawBorder(CssSide.Right, box, p, rect, isFirst, true);
}
}
}
public void PerformPaint(PaintVisitor p)
{
if (_rootBox == null)
{
return;
}
p.PushContaingBlock(_rootBox);
#if DEBUG
p.dbugEnableLogRecord = false;
p.dbugResetLogRecords();
#endif
_rootBox.Paint(p);
p.PopContainingBlock();
#if DEBUG
if (p.dbugEnableLogRecord)
{
//var logs = p.logRecords;
//System.Text.StringBuilder stbuilder = new System.Text.StringBuilder();
//foreach (var str in logs)
//{
// stbuilder.AppendLine(str);
//}
//System.IO.File.AppendAllText("drawLogs.txt", stbuilder.ToString());
}
#endif
}
internal void PaintBackgroundAndBorder(PaintVisitor p)
{
//iterate each strip
//if (_bottomUpBoxStrips == null)
//{
// return;
//}
for (int i = _bottomUpBoxStrips.Length - 1; i >= 0; --i)
{
PartialBoxStrip strip = _bottomUpBoxStrips[i];
CssBox stripOwner = strip.owner;
if (!stripOwner.HasVisibleBgColor)
{
continue;
}
//-----------------------------------------------------------------
RectangleF stripArea = strip.Bound;
bool isFirstLine, isLastLine;
CssBox.GetSplitInfo(stripOwner, this, out isFirstLine, out isLastLine);
stripOwner.PaintBackground(p, stripArea, isFirstLine, isLastLine);
//if (stripOwner.CssDisplay != Css.CssDisplay.TableCell
// && stripOwner.HasSomeVisibleBorder)
//{
// p.PaintBorders(stripOwner, stripArea, isFirstLine, isLastLine);
//}
}
}
internal void dbugPaintRuns(PaintVisitor p)
{
if (!PaintVisitor.dbugDrawWireFrame)
{
return;
}
//linebox
float x1 = 0;
float y1 = 0;
float x2 = x1 + this.CachedLineContentWidth;
float y2 = y1 + this.CacheLineHeight;
//draw diagonal
p.dbugDrawDiagonalBox(Color.Blue, x1, y1, x2, y2);
//g.DrawRectangle(Pens.Blue,
// this.OwnerBox.LocationX,
// this.CachedLineTop,
// this.CachedLineContentWidth,
// this.CacheLineHeight);
//foreach (var strip in _boxStrips.Values)
//{
// var bound = strip.Bound;
// bound.Offset(offset);
// dbugDrawDiagnalBox(g, Pens.Green, bound.X, bound.Y, bound.Right, bound.Bottom);
//}
//return;
foreach (CssRun w in _runs)
{
p.DrawRectangle(Color.DeepPink, w.Left, w.Top, w.Width, w.Height);
//p.dbugDrawDiagonalBox(Color.DeepPink, w.Left, w.Top, w.Width, w.Height);
}
p.FillRectangle(Color.Red, 0, 0, 5, 5);
}
internal static PaintVisitor GetSharedPaintVisitor(HtmlVisualRoot htmlVisualRoot, DrawBoard canvas)
{
PaintVisitor painter = (s_paintVisitorStock.Count == 0) ? new PaintVisitor() : s_paintVisitorStock.Dequeue();
painter.Bind(htmlVisualRoot, canvas);
return(painter);
}
public void dbugPaint(PaintVisitor p, RectangleF r)
{
if (!PaintVisitor.dbugDrawWireFrame)
{
return;
}
//
var htmlE = CssBox.UnsafeGetController(this);
if (htmlE == null)
{
//anonymous box
//Font f = new Font("tahoma", 10);
//p.Gfx.DrawString(this.__aa_dbugId.ToString(), f, System.Drawing.Color.Black,
// new PointF(r.Left + 10, r.Top + 10), new SizeF(r.Width, r.Height));
//f.Dispose();
p.dbugDrawDiagonalBox(Color.Gray, r.Left, r.Top, r.Right, r.Bottom);
}
else
{
Color color = Color.Green;
switch (this._cssDisplay)
{
case Css.CssDisplay.TableCell:
color = Color.OrangeRed;
break;
}
p.dbugDrawDiagonalBox(color, r.Left, r.Top, r.Right, r.Bottom);
}
}
public void Paint(PaintVisitor p)
{
#if DEBUG
//if (__aa_dbugId == 5)
//{
//}
dbugCounter.dbugBoxPaintCount++;
#endif
if (_isVisible)
{
//offset
if (_mayHasViewport)
{
if (ViewportX != 0 || ViewportY != 0)
{
int enter_canvas_X = p.CanvasOriginX;
int enter_canvas_Y = p.CanvasOriginY;
p.SetCanvasOrigin(enter_canvas_X - ViewportX, enter_canvas_Y - ViewportY);
PaintImp(p);
p.SetCanvasOrigin(enter_canvas_X, enter_canvas_Y);//restore
}
else
{
PaintImp(p);
}
}
else
{
PaintImp(p);
}
}
}
public void dbugPaint(PaintVisitor p, RectangleF r)
{
if (!PaintVisitor.dbugDrawWireFrame)
{
return;
}
//
var htmlE = CssBox.UnsafeGetController(this);
if (htmlE == null)
{
//anonymous box
//Font f = new Font("tahoma", 10);
//p.Gfx.DrawString(this.__aa_dbugId.ToString(), f, System.Drawing.Color.Black,
// new PointF(r.Left + 10, r.Top + 10), new SizeF(r.Width, r.Height));
//f.Dispose();
p.dbugDrawDiagonalBox(Color.Gray, r.Left, r.Top, r.Right, r.Bottom);
}
else
{
Color color = Color.Green;
switch (this._cssDisplay)
{
case Css.CssDisplay.TableCell:
color = Color.OrangeRed;
break;
}
p.dbugDrawDiagonalBox(color, r.Left, r.Top, r.Right, r.Bottom);
}
}
/// <summary>
/// Draws all the border of the box with respect to style, width, etc.
/// </summary>
/// <param name="g">the device to draw into</param>
/// <param name="box">the box to draw borders for</param>
/// <param name="rect">the bounding rectangle to draw in</param>
/// <param name="isFirst">is it the first rectangle of the element</param>
/// <param name="isLast">is it the last rectangle of the element</param>
public static void DrawBoxBorders(PaintVisitor p, CssBox box, RectangleF rect, bool isFirst, bool isLast)
{
if (rect.Width > 0 && rect.Height > 0)
{
if (box.BorderTopVisible)
{
DrawBorder(CssSide.Top, box, p, rect, isFirst, isLast);
}
if (isFirst && box.BorderLeftVisible)
{
DrawBorder(CssSide.Left, box, p, rect, true, isLast);
}
if (box.BorderBottomVisible)
{
DrawBorder(CssSide.Bottom, box, p, rect, isFirst, isLast);
}
if (isLast && box.BorderRightVisible)
{
DrawBorder(CssSide.Right, box, p, rect, isFirst, true);
}
}
}
/// <summary>
/// Paints the fragment
/// </summary>
/// <param name="g">the device to draw to</param>
protected override void PaintImp(PaintVisitor p)
{
#if DEBUG
p.dbugEnterNewContext(this, PaintVisitor.PaintVisitorContextName.Init);
#endif
Color bgColorHint = p.CurrentSolidBackgroundColorHint;//save
var rect = new RectangleF(0, 0, this.VisualWidth, this.VisualHeight);
if (rect.Height > 2 && RenderUtils.IsColorVisible(ActualBackgroundColor))
{
p.FillRectangle(ActualBackgroundColor, rect.Left, rect.Top, rect.Width, rect.Height);
}
if (rect.Height > 1)
{
p.PaintBorders(this, rect);
}
else
{
p.PaintBorder(this, CssSide.Top, this.BorderTopColor, rect);
}
p.CurrentSolidBackgroundColorHint = bgColorHint;//restore
#if DEBUG
p.dbugExitContext();
#endif
}
public void Paint(CssBox box, PaintVisitor p)
{
p.FillRectangle(this.Color,
box.LocalX + this.HBoxShadowOffset,
box.LocalY + this.VBoxShadowOffset,
box.VisualWidth,
box.VisualHeight);
}
public void Paint(CssBox box, PaintVisitor p)
{
p.FillRectangle(this.Color,
box.LocalX + this.HBoxShadowOffset,
box.LocalY + this.VBoxShadowOffset,
box.VisualWidth,
box.VisualHeight);
}
internal void PaintDecoration(PaintVisitor p)
{
for (int i = _bottomUpBoxStrips.Length - 1; i >= 0; --i)
{
PartialBoxStrip strip = _bottomUpBoxStrips[i];
CssBox ownerBox = strip.owner;
CssBox.GetSplitInfo(ownerBox, this, out bool isFirstLine, out bool isLastLine);
ownerBox.PaintDecoration(p.InnerDrawBoard, strip.Bounds, isFirstLine, isLastLine);
}
}
/// <summary>
/// Paints the fragment
/// </summary>
/// <param name="g">the device to draw to</param>
protected override void PaintImp(PaintVisitor p)
{
// load image iff it is in visible rectangle
//1. single image can't be splited
#if DEBUG
p.dbugEnterNewContext(this, PaintVisitor.PaintVisitorContextName.Init);
#endif
Paint(p, new RectangleF(0, 0, this.VisualWidth, this.VisualHeight));
#if DEBUG
p.dbugExitContext();
#endif
}
internal void PaintDecoration(PaintVisitor p)
{
//if (_bottomUpBoxStrips == null)
//{
// return;
//}
for (int i = _bottomUpBoxStrips.Length - 1; i >= 0; --i)
{
var strip = _bottomUpBoxStrips[i];
CssBox ownerBox = strip.owner;
bool isFirstLine, isLastLine;
CssBox.GetSplitInfo(ownerBox, this, out isFirstLine, out isLastLine);
ownerBox.PaintDecoration(p.InnerCanvas, strip.Bound, isFirstLine, isLastLine);
}
}
internal static PaintVisitor GetSharedPainter(HtmlContainer htmlCont, Canvas canvas)
{
PaintVisitor painter = null;
if (painterStock.Count == 0)
{
painter = new PaintVisitor();
}
else
{
painter = painterStock.Dequeue();
}
painter.Bind(htmlCont, canvas);
return painter;
}
protected override void DrawBoxContent(DrawBoard canvas, Rectangle updateArea)
{
//TODO: review here,
//
if (_myHtmlCont == null)
{
return;
}
_myHtmlCont.CheckDocUpdate();
DrawBoard cpuDrawBoard = null;
if (PreferSoftwareRenderer &&
canvas.IsGpuDrawBoard &&
(cpuDrawBoard = canvas.GetCpuBlitDrawBoard()) != null)
{
//TODO: review this again ***
//test built-in 'shared' software rendering surface
cpuDrawBoard.Clear(Color.White);
PaintVisitor painter = PaintVisitorStock.GetSharedPaintVisitor(_myHtmlCont, cpuDrawBoard);
painter.SetViewportSize(this.Width, this.Height);
#if DEBUG
painter.dbugDrawDiagonalBox(Color.Blue, this.X, this.Y, this.Width, this.Height);
#endif
_myHtmlCont.PerformPaint(painter);
PaintVisitorStock.ReleaseSharedPaintVisitor(painter);
//then copy from cpu to gpu
canvas.BlitFrom(cpuDrawBoard, X, Y, this.Width, this.Height, 0, 0);
}
else
{
PaintVisitor painter = PaintVisitorStock.GetSharedPaintVisitor(_myHtmlCont, canvas);
painter.SetViewportSize(this.Width, this.Height);
#if DEBUG
painter.dbugDrawDiagonalBox(Color.Blue, this.X, this.Y, this.Width, this.Height);
#endif
_myHtmlCont.PerformPaint(painter);
PaintVisitorStock.ReleaseSharedPaintVisitor(painter);
}
}
internal static PaintVisitor GetSharedPaintVisitor(HtmlVisualRoot htmlVisualRoot, DrawBoard canvas)
{
PaintVisitor painter = null;
if (s_paintVisitorStock.Count == 0)
{
painter = new PaintVisitor();
}
else
{
painter = s_paintVisitorStock.Dequeue();
}
painter.Bind(htmlVisualRoot, canvas);
return(painter);
}
internal static PaintVisitor GetSharedPainter(HtmlContainer htmlCont, DrawBoard canvas)
{
PaintVisitor painter = null;
if (painterStock.Count == 0)
{
painter = new PaintVisitor();
}
else
{
painter = painterStock.Dequeue();
}
painter.Bind(htmlCont, canvas);
return(painter);
}
public void PaintSelection(PaintVisitor p, CssLineBox line)
{
if (this.Kind == SelectionSegmentKind.FullLine)
{
p.FillRectangle(Color.LightGray,
0,
0,
line.CachedLineContentWidth,
line.CacheLineHeight);
}
else
{
p.FillRectangle(
Color.LightGray,
this.BeginAtPx, 0,
this.WidthPx,
(int)line.CacheLineHeight);
}
}
public void PaintSelection(PaintVisitor p, CssLineBox line)
{
if (this.Kind == SelectionSegmentKind.FullLine)
{
p.FillRectangle(Color.LightGray,
0,
0,
line.CachedLineContentWidth,
line.CacheLineHeight);
}
else
{
p.FillRectangle(
Color.LightGray,
this.BeginAtPx, 0,
this.WidthPx,
(int)line.CacheLineHeight);
}
}
protected override void DrawBoxContent(DrawBoard canvas, Rectangle updateArea)
{
//TODO: review here,
//
if (myHtmlCont == null)
{
return;
}
myHtmlCont.CheckDocUpdate();
PaintVisitor painter = PainterStock.GetSharedPainter(this.myHtmlCont, canvas);
painter.SetViewportSize(this.Width, this.Height);
#if DEBUG
painter.dbugDrawDiagonalBox(Color.Blue, this.X, this.Y, this.Width, this.Height);
#endif
myHtmlCont.PerformPaint(painter);
PainterStock.ReleaseSharedPainter(painter);
}
public void Paint(PaintVisitor p)
{
#if DEBUG
dbugCounter.dbugBoxPaintCount++;
#endif
if (this._isVisible)
{
//offset
if (this.mayHasViewport)
{
p.OffsetCanvasOrigin(-this.ViewportX, -this.ViewportY);
PaintImp(p);
p.OffsetCanvasOrigin(this.ViewportX, this.ViewportY);
}
else
{
PaintImp(p);
}
}
}
public void PerformPaint(PaintVisitor p)
{
if (_rootBox == null)
{
return;
}
p.PushContaingBlock(_rootBox);
#if DEBUG
p.dbugEnableLogRecord = false;
p.dbugResetLogRecords();
dbugPaintN++;
#endif
_rootBox.Paint(p);
p.PopContainingBlock();
#if DEBUG
if (p.dbugEnableLogRecord)
{
}
#endif
}
protected override void PaintImp(PaintVisitor p)
{
#if DEBUG
p.dbugEnterNewContext(this, PaintVisitor.PaintVisitorContextName.Init);
#endif
var g = p.InnerCanvas;
var prevMode = g.SmoothingMode;
g.SmoothingMode = SmoothingMode.AntiAlias;
//render this svg
var cnode = this.SvgSpec.GetFirstNode();
while (cnode != null)
{
cnode.Value.Paint(p);
cnode = cnode.Next;
}
g.SmoothingMode = prevMode;
#if DEBUG
p.dbugExitContext();
#endif
}
protected override void PaintImp(PaintVisitor p)
{
#if DEBUG
p.dbugEnterNewContext(this, PaintVisitor.PaintVisitorContextName.Init);
#endif
var g = p.InnerCanvas;
var prevMode = g.SmoothingMode;
g.SmoothingMode = SmoothingMode.AntiAlias;
//render this svg
var cnode = this.SvgSpec.GetFirstNode();
while (cnode != null)
{
cnode.Value.Paint(p);
cnode = cnode.Next;
}
g.SmoothingMode = prevMode;
#if DEBUG
p.dbugExitContext();
#endif
}
void DrawWithTempTransitionImage(PaintVisitor p, RectangleF r)
{
Image img;
if ((img = (Image)_tmpTransitionImgBinder.LocalImage) != null) //assign and test
{
if (this.VisualWidth != 0)
{
//TODO: review here
if (_imgRun.ImageRectangle == Rectangle.Empty)
{
p.DrawImage(img,
r.Left, r.Top,
this.VisualWidth, this.VisualHeight);
}
else
{
p.DrawImage(img, _imgRun.ImageRectangle);
}
}
else
{
if (_imgRun.ImageRectangle == Rectangle.Empty)
{
p.DrawImage(img,
r.Left, r.Top,
img.Width, img.Height);
}
else
{
p.DrawImage(img, _imgRun.ImageRectangle);
}
}
}
}
public virtual void Paint(PaintVisitor p)
{
}
public override void Paint(PaintVisitor p)
{
if (this.strokeColor.A > 0
&& this.ActualStrokeWidth > 0)
{
p.DrawPath(myCachedPath, this.strokeColor, this.ActualStrokeWidth);
}
}
/// <summary>
/// Makes a border path for rounded borders.<br/>
/// To support rounded dotted/dashed borders we need to use arc in the border path.<br/>
/// Return null if the border is not rounded.<br/>
/// </summary>
/// <param name="border">Desired border</param>
/// <param name="b">Box which the border corresponds</param>
/// <param name="r">the rectangle the border is enclosing</param>
/// <returns>Beveled border path, null if there is no rounded corners</returns>
static GraphicsPath GetRoundedBorderPath(PaintVisitor p, CssSide border, CssBox b, RectangleF r)
{
GraphicsPath path = null;
switch (border)
{
case CssSide.Top:
if (b.ActualCornerNW > 0 || b.ActualCornerNE > 0)
{
path = new GraphicsPath();
if (b.ActualCornerNW > 0)
{
path.AddArc(r.Left + b.ActualBorderLeftWidth / 2, r.Top + b.ActualBorderTopWidth / 2, b.ActualCornerNW * 2, b.ActualCornerNW * 2, 180f, 90f);
}
else
{
path.AddLine(r.Left + b.ActualBorderLeftWidth / 2, r.Top + b.ActualBorderTopWidth / 2, r.Left + b.ActualBorderLeftWidth, r.Top + b.ActualBorderTopWidth / 2);
}
if (b.ActualCornerNE > 0)
{
path.AddArc(r.Right - b.ActualCornerNE * 2 - b.ActualBorderRightWidth / 2, r.Top + b.ActualBorderTopWidth / 2, b.ActualCornerNE * 2, b.ActualCornerNE * 2, 270f, 90f);
}
else
{
path.AddLine(r.Right - b.ActualCornerNE * 2 - b.ActualBorderRightWidth, r.Top + b.ActualBorderTopWidth / 2, r.Right - b.ActualBorderRightWidth / 2, r.Top + b.ActualBorderTopWidth / 2);
}
}
break;
case CssSide.Bottom:
if (b.ActualCornerSW > 0 || b.ActualCornerSE > 0)
{
path = new GraphicsPath();
if (b.ActualCornerSE > 0)
{
path.AddArc(r.Right - b.ActualCornerNE * 2 - b.ActualBorderRightWidth / 2, r.Bottom - b.ActualCornerSE * 2 - b.ActualBorderBottomWidth / 2, b.ActualCornerSE * 2, b.ActualCornerSE * 2, 0f, 90f);
}
else
{
path.AddLine(r.Right - b.ActualBorderRightWidth / 2, r.Bottom - b.ActualBorderBottomWidth / 2, r.Right - b.ActualBorderRightWidth / 2, r.Bottom - b.ActualBorderBottomWidth / 2 - .1f);
}
if (b.ActualCornerSW > 0)
{
path.AddArc(r.Left + b.ActualBorderLeftWidth / 2, r.Bottom - b.ActualCornerSW * 2 - b.ActualBorderBottomWidth / 2, b.ActualCornerSW * 2, b.ActualCornerSW * 2, 90f, 90f);
}
else
{
path.AddLine(r.Left + b.ActualBorderLeftWidth / 2 + .1f, r.Bottom - b.ActualBorderBottomWidth / 2, r.Left + b.ActualBorderLeftWidth / 2, r.Bottom - b.ActualBorderBottomWidth / 2);
}
}
break;
case CssSide.Right:
if (b.ActualCornerNE > 0 || b.ActualCornerSE > 0)
{
path = new GraphicsPath();
if (b.ActualCornerNE > 0 && b.BorderTopStyle >= CssBorderStyle.Visible)
{
path.AddArc(r.Right - b.ActualCornerNE * 2 - b.ActualBorderRightWidth / 2, r.Top + b.ActualBorderTopWidth / 2, b.ActualCornerNE * 2, b.ActualCornerNE * 2, 270f, 90f);
}
else
{
path.AddLine(r.Right - b.ActualBorderRightWidth / 2, r.Top + b.ActualCornerNE + b.ActualBorderTopWidth / 2, r.Right - b.ActualBorderRightWidth / 2, r.Top + b.ActualCornerNE + b.ActualBorderTopWidth / 2 + .1f);
}
if (b.ActualCornerSE > 0 &&
b.BorderBottomStyle >= CssBorderStyle.Visible)
{
path.AddArc(r.Right - b.ActualCornerSE * 2 - b.ActualBorderRightWidth / 2, r.Bottom - b.ActualCornerSE * 2 - b.ActualBorderBottomWidth / 2, b.ActualCornerSE * 2, b.ActualCornerSE * 2, 0f, 90f);
}
else
{
path.AddLine(r.Right - b.ActualBorderRightWidth / 2, r.Bottom - b.ActualCornerSE - b.ActualBorderBottomWidth / 2 - .1f, r.Right - b.ActualBorderRightWidth / 2, r.Bottom - b.ActualCornerSE - b.ActualBorderBottomWidth / 2);
}
}
break;
case CssSide.Left:
if (b.ActualCornerNW > 0 || b.ActualCornerSW > 0)
{
path = new GraphicsPath();
if (b.ActualCornerSW > 0 && b.BorderTopStyle >= CssBorderStyle.Visible) //(b.BorderTopStyle == CssConstants.None || b.BorderTopStyle == CssConstants.Hidden))
{
path.AddArc(r.Left + b.ActualBorderLeftWidth / 2, r.Bottom - b.ActualCornerSW * 2 - b.ActualBorderBottomWidth / 2, b.ActualCornerSW * 2, b.ActualCornerSW * 2, 90f, 90f);
}
else
{
path.AddLine(r.Left + b.ActualBorderLeftWidth / 2, r.Bottom - b.ActualCornerSW - b.ActualBorderBottomWidth / 2, r.Left + b.ActualBorderLeftWidth / 2, r.Bottom - b.ActualCornerSW - b.ActualBorderBottomWidth / 2 - .1f);
}
if (b.ActualCornerNW > 0 &&
b.BorderBottomStyle >= CssBorderStyle.Visible)
{
path.AddArc(r.Left + b.ActualBorderLeftWidth / 2, r.Top + b.ActualBorderTopWidth / 2, b.ActualCornerNW * 2, b.ActualCornerNW * 2, 180f, 90f);
}
else
{
path.AddLine(r.Left + b.ActualBorderLeftWidth / 2, r.Top + b.ActualCornerNW + b.ActualBorderTopWidth / 2 + .1f, r.Left + b.ActualBorderLeftWidth / 2, r.Top + b.ActualCornerNW + b.ActualBorderTopWidth / 2);
}
}
break;
}
return(path);
}
public override void Paint(PaintVisitor p)
{
p.UseCurrentContext = true;
p.CurrentContextFillColor = spec.ActualColor;
p.CurrentContextPenColor = spec.StrokeColor;
p.CurrentContextPenWidth = this.ActualStrokeWidth;
var node = this.GetFirstNode();
while (node != null)
{
node.Value.Paint(p);
node = node.Next;
}
p.UseCurrentContext = false;
}
static PaintVisitor GetSharedPainter(LayoutFarm.HtmlBoxes.HtmlContainer htmlCont, PixelFarm.Drawing.Canvas canvas)
{
PaintVisitor painter = null;
if (painterStock.Count == 0)
{
painter = new PaintVisitor();
}
else
{
painter = painterStock.Dequeue();
}
painter.Bind(htmlCont, canvas);
return painter;
}
/// <summary>
/// Paints the fragment
/// </summary>
/// <param name="g">the device to draw to</param>
protected override void PaintImp(PaintVisitor p)
{
// load image iff it is in visible rectangle
//1. single image can't be splited
#if DEBUG
p.dbugEnterNewContext(this, PaintVisitor.PaintVisitorContextName.Init);
#endif
Paint(p, new RectangleF(0, 0, this.VisualWidth, this.VisualHeight));
#if DEBUG
p.dbugExitContext();
#endif
}
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
}
internal static void ReleaseSharedPaintVisitor(PaintVisitor p)
{
p.UnBind();
s_paintVisitorStock.Enqueue(p);
}
internal void dbugPaintRuns(PaintVisitor p)
{
if (!PaintVisitor.dbugDrawWireFrame)
{
return;
}
//linebox
float x1 = 0;
float y1 = 0;
float x2 = x1 + this.CachedLineContentWidth;
float y2 = y1 + this.CacheLineHeight;
//draw diagonal
p.dbugDrawDiagonalBox(Color.Blue, x1, y1, x2, y2);
//g.DrawRectangle(Pens.Blue,
// this.OwnerBox.LocationX,
// this.CachedLineTop,
// this.CachedLineContentWidth,
// this.CacheLineHeight);
//foreach (var strip in this._boxStrips.Values)
//{
// var bound = strip.Bound;
// bound.Offset(offset);
// dbugDrawDiagnalBox(g, Pens.Green, bound.X, bound.Y, bound.Right, bound.Bottom);
//}
//return;
foreach (CssRun w in this._runs)
{
p.DrawRectangle(Color.DeepPink, w.Left, w.Top, w.Width, w.Height);
//p.dbugDrawDiagonalBox(Color.DeepPink, w.Left, w.Top, w.Width, w.Height);
}
p.FillRectangle(Color.Red, 0, 0, 5, 5);
}
public override void Paint(PaintVisitor p)
{
Canvas g = p.InnerCanvas;
if (fillColor.A > 0)
{
p.FillPath(_path, this.fillColor);
}
//---------------------------------------------------------
if (this.ImageBinder != null)
{
//---------------------------------------------------------
//Because we need external image resource , so ...
//use render technique like CssBoxImage ****
//---------------------------------------------------------
RectangleF r = new RectangleF(this.ActualX, this.ActualY, this.ActualWidth, this.ActualHeight);
bool tryLoadOnce = false;
EVAL_STATE:
switch (this.ImageBinder.State)
{
case ImageBinderState.Unload:
{
//async request image
if (!tryLoadOnce)
{
p.RequestImageAsync(_imgRun.ImageBinder, this._imgRun, this);
//retry again
tryLoadOnce = true;
goto EVAL_STATE;
}
}
break;
case ImageBinderState.Loading:
{
//RenderUtils.DrawImageLoadingIcon(g, r);
}
break;
case ImageBinderState.Loaded:
{
Image img;
if ((img = _imgRun.ImageBinder.Image) != null)
{
if (_imgRun.ImageRectangle == Rectangle.Empty)
{
g.DrawImage(img, r);
}
else
{
//
g.DrawImage(img, _imgRun.ImageRectangle);
}
}
else
{
RenderUtils.DrawImageLoadingIcon(g, r);
if (r.Width > 19 && r.Height > 19)
{
g.DrawRectangle(Color.LightGray, r.X, r.Y, r.Width, r.Height);
}
}
}
break;
case ImageBinderState.NoImage:
{
}
break;
case ImageBinderState.Error:
{
RenderUtils.DrawImageErrorIcon(g, r);
}
break;
}
}
//---------------------------------------------------------
if (this.strokeColor.A > 0
&& this.ActualStrokeWidth > 0)
{
p.DrawPath(_path, strokeColor, ActualStrokeWidth);
}
}
/// <summary>
/// Paints the fragment
/// </summary>
/// <param name="g">the device to draw to</param>
protected override void PaintImp(PaintVisitor p)
{
#if DEBUG
p.dbugEnterNewContext(this, PaintVisitor.PaintVisitorContextName.Init);
#endif
var rect = new RectangleF(0, 0, this.VisualWidth, this.VisualHeight);
if (rect.Height > 2 && RenderUtils.IsColorVisible(ActualBackgroundColor))
{
p.FillRectangle(ActualBackgroundColor, rect.X, rect.Y, rect.Width, rect.Height);
}
if (rect.Height > 1)
{
p.PaintBorders(this, rect);
}
else
{
p.PaintBorder(this, CssSide.Top, this.BorderTopColor, rect);
}
#if DEBUG
p.dbugExitContext();
#endif
}
internal void PaintBackgroundAndBorder(PaintVisitor p)
{
//iterate each strip
//if (_bottomUpBoxStrips == null)
//{
// return;
//}
for (int i = _bottomUpBoxStrips.Length - 1; i >= 0; --i)
{
var strip = _bottomUpBoxStrips[i];
var stripOwner = strip.owner;
if (!stripOwner.HasVisibleBgColor)
{
continue;
}
//-----------------------------------------------------------------
var stripArea = strip.Bound;
bool isFirstLine, isLastLine;
CssBox.GetSplitInfo(stripOwner, this, out isFirstLine, out isLastLine);
stripOwner.PaintBackground(p, stripArea, isFirstLine, isLastLine);
//if (stripOwner.CssDisplay != Css.CssDisplay.TableCell
// && stripOwner.HasSomeVisibleBorder)
//{
// p.PaintBorders(stripOwner, stripArea, isFirstLine, isLastLine);
//}
}
}
internal void PaintDecoration(PaintVisitor p)
{
//if (_bottomUpBoxStrips == null)
//{
// return;
//}
for (int i = _bottomUpBoxStrips.Length - 1; i >= 0; --i)
{
var strip = _bottomUpBoxStrips[i];
CssBox ownerBox = strip.owner;
bool isFirstLine, isLastLine;
CssBox.GetSplitInfo(ownerBox, this, out isFirstLine, out isLastLine);
ownerBox.PaintDecoration(p.InnerCanvas, strip.Bound, isFirstLine, isLastLine);
}
}
public void PerformPaint(PaintVisitor p)
{
if (_rootBox == null)
{
return;
}
p.PushContaingBlock(_rootBox);
#if DEBUG
p.dbugEnableLogRecord = false;
p.dbugResetLogRecords();
#endif
_rootBox.Paint(p);
p.PopContainingBlock();
#if DEBUG
if (p.dbugEnableLogRecord)
{
//var logs = p.logRecords;
//System.Text.StringBuilder stbuilder = new System.Text.StringBuilder();
//foreach (var str in logs)
//{
// stbuilder.AppendLine(str);
//}
//System.IO.File.AppendAllText("drawLogs.txt", stbuilder.ToString());
}
#endif
}
public virtual void Paint(PaintVisitor p, RectangleF r)
{
}
public override void Paint(PaintVisitor p, RectangleF rect)
{
PaintBackground(p, rect, true, true);
if (this.HasSomeVisibleBorder)
{
p.PaintBorders(this, rect, true, true);
}
//---------------------------------------------------------
RectangleF r = _imgRun.Rectangle;
r.Height -= ActualBorderTopWidth + ActualBorderBottomWidth + ActualPaddingTop + ActualPaddingBottom;
r.Y += ActualBorderTopWidth + ActualPaddingTop;
r.X = (float)Math.Floor(r.X);
r.Y = (float)Math.Floor(r.Y);
bool tryLoadOnce = false;
EVAL_STATE:
switch (_imgRun.ImageBinder.State)
{
case ImageBinderState.Unload:
{
//async request image
if (!tryLoadOnce)
{
p.RequestImageAsync(_imgRun.ImageBinder, this._imgRun, this);
//retry again
tryLoadOnce = true;
goto EVAL_STATE;
}
}
break;
case ImageBinderState.Loading:
{
//RenderUtils.DrawImageLoadingIcon(g, r);
}
break;
case ImageBinderState.Loaded:
{
Image img;
if ((img = (Image)_imgRun.ImageBinder.Image) != null)
{
if (_imgRun.ImageRectangle == Rectangle.Empty)
{
p.DrawImage(img,
r.Left, r.Top,
img.Width, img.Height);
}
else
{
p.DrawImage(img, _imgRun.ImageRectangle);
}
}
else
{
RenderUtils.DrawImageLoadingIcon(p.InnerCanvas, r);
if (r.Width > 19 && r.Height > 19)
{
p.DrawRectangle(Color.LightGray, r.X, r.Y, r.Width, r.Height);
}
}
}
break;
case ImageBinderState.NoImage:
{
}
break;
case ImageBinderState.Error:
{
RenderUtils.DrawImageErrorIcon(p.InnerCanvas, r);
}
break;
}
//#if DEBUG
// p.FillRectangle(Color.Red, rect.X, rect.Y, rect.Width, rect.Height);
//#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);
}
}
/// <summary>
/// Paints the background of the box
/// </summary>
/// <param name="g">the device to draw into</param>
/// <param name="rect">the bounding rectangle to draw in</param>
/// <param name="isFirst">is it the first rectangle of the element</param>
/// <param name="isLast">is it the last rectangle of the element</param>
internal void PaintBackground(PaintVisitor p, RectangleF rect, bool isFirst, bool isLast)
{
//return;
//if (this.dbugMark1 > 0)
//{
// Console.WriteLine(this.dbugMark1);
// if ((this.dbugMark1 % 2) == 0)
// {
// }
// else
// {
// }
//}
if (!this.HasVisibleBgColor)
{
return;
}
if (rect.Width > 0 && rect.Height > 0)
{
Brush brush = null;
bool dispose = false;
if (BackgroundGradient != Color.Transparent)
{
//use bg gradient
brush = LinearGradientBrush.CreateLinearGradientBrush(rect,
ActualBackgroundColor,
ActualBackgroundGradient,
ActualBackgroundGradientAngle);
dispose = true;
}
else if (RenderUtils.IsColorVisible(ActualBackgroundColor))
{
brush = new SolidBrush(this.ActualBackgroundColor);
dispose = true;
}
Canvas g = p.InnerCanvas;
SmoothingMode smooth = g.SmoothingMode;
if (brush != null)
{
// atodo: handle it correctly (tables background)
// if (isLast)
// rectangle.Width -= ActualWordSpacing + CssUtils.GetWordEndWhitespace(ActualFont);
GraphicsPath roundrect = null;
bool hasSomeRoundCorner = this.HasSomeRoundCorner;
if (hasSomeRoundCorner)
{
roundrect = RenderUtils.GetRoundRect( rect, ActualCornerNW, ActualCornerNE, ActualCornerSE, ActualCornerSW);
}
if (!p.AvoidGeometryAntialias && hasSomeRoundCorner)
{
g.SmoothingMode = SmoothingMode.AntiAlias;
}
if (roundrect != null)
{
g.FillPath(brush, roundrect);
}
else
{
g.FillRectangle(brush, (float)Math.Ceiling(rect.X), (float)Math.Ceiling(rect.Y), rect.Width, rect.Height);
}
g.SmoothingMode = smooth;
if (roundrect != null) roundrect.Dispose();
if (dispose) brush.Dispose();
}
if (isFirst)
{
var bgImageBinder = this.BackgroundImageBinder;
if (bgImageBinder != null && bgImageBinder.Image != null)
{
BackgroundImagePaintHelper.DrawBackgroundImage(g, this, bgImageBinder, rect);
}
}
}
}
internal void PaintRuns(PaintVisitor p)
{
//iterate from each words
CssBox latestOwner = null;
var innerCanvas = p.InnerCanvas;
var enterFont = innerCanvas.CurrentFont;
var enterColor = innerCanvas.CurrentTextColor;
var tmpRuns = this._runs;
int j = tmpRuns.Count;
for (int i = 0; i < j; ++i)
{
//-----------------
#if DEBUG
dbugCounter.dbugRunPaintCount++;
#endif
//-----------------
CssRun w = tmpRuns[i];
switch (w.Kind)
{
case CssRunKind.SolidContent:
{
w.OwnerBox.Paint(p, new RectangleF(w.Left, w.Top, w.Width, w.Height));
}
break;
case CssRunKind.BlockRun:
{
//Console.WriteLine("blockrun");
CssBlockRun blockRun = (CssBlockRun)w;
int ox = p.CanvasOriginX;
int oy = p.CanvasOriginY;
p.SetCanvasOrigin(ox + (int)blockRun.Left, oy + (int)blockRun.Top);
blockRun.ContentBox.Paint(p);
p.SetCanvasOrigin(ox, oy);
}
break;
case CssRunKind.Text:
{
if (latestOwner != w.OwnerBox)
{
//change
latestOwner = w.OwnerBox;
//change font when change owner
p.InnerCanvas.CurrentFont = latestOwner.ResolvedFont;
p.InnerCanvas.CurrentTextColor = latestOwner.ActualColor;
}
CssTextRun textRun = (CssTextRun)w;
var wordPoint = new PointF(w.Left, w.Top);
p.DrawText(CssBox.UnsafeGetTextBuffer(w.OwnerBox),
textRun.TextStartIndex,
textRun.TextLength, wordPoint,
new SizeF(w.Width, w.Height));
}
break;
default:
{
#if DEBUG
// w.OwnerBox.dbugPaintTextWordArea(g, offset, w);
#endif
}
break;
}
}
//---
//exit
if (j > 0)
{
innerCanvas.CurrentFont = enterFont;
innerCanvas.CurrentTextColor = enterColor;
}
}
public virtual void Paint(PaintVisitor p, RectangleF r)
{
}
public override void Paint(PaintVisitor p)
{
if (fillColor.A > 0)
{
p.FillPath(this.myCachedPath, this.fillColor);
}
if (this.strokeColor.A > 0)
{
p.DrawPath(this.myCachedPath, this.strokeColor, this.ActualStrokeWidth);
}
}
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
}
internal void PaintRuns(PaintVisitor p)
{
List <CssRun> tmpRuns = _runs;
int j = tmpRuns.Count;
if (j < 1)
{
return;
}
//-----------------------
//iterate from each words
CssBox latestOwner = null;
DrawBoard innerCanvas = p.InnerDrawBoard;
RequestFont enterFont = innerCanvas.CurrentFont;
Color enterColor = innerCanvas.CurrentTextColor;
for (int i = 0; i < j; ++i)
{
//-----------------
#if DEBUG
dbugCounter.dbugRunPaintCount++;
#endif
//-----------------
CssRun w = tmpRuns[i];
switch (w.Kind)
{
case CssRunKind.SolidContent:
{
w.OwnerBox.Paint(p, new RectangleF(w.Left, w.Top, w.Width, w.Height));
}
break;
case CssRunKind.BlockRun:
{
//Console.WriteLine("blockrun");
CssBlockRun blockRun = (CssBlockRun)w;
int ox = p.CanvasOriginX;
int oy = p.CanvasOriginY;
//p.SetCanvasOrigin(ox + (int)(blockRun.Left + blockRun.ContentBox.LocalX), oy + (int)blockRun.Top);
p.SetCanvasOrigin(ox + (int)(blockRun.Left), oy + (int)blockRun.Top);
blockRun.ContentBox.Paint(p);
p.SetCanvasOrigin(ox, oy);
}
break;
case CssRunKind.Text:
{
if (latestOwner != w.OwnerBox)
{
//change
latestOwner = w.OwnerBox;
//change font when change owner
p.InnerDrawBoard.CurrentFont = latestOwner.ResolvedFont;
p.InnerDrawBoard.CurrentTextColor = latestOwner.ActualColor;
}
CssTextRun textRun = (CssTextRun)w;
p.DrawText(CssBox.UnsafeGetTextBuffer(w.OwnerBox),
textRun.TextStartIndex,
textRun.TextLength,
new PointF(w.Left, w.Top),
new SizeF(w.Width, w.Height));
}
break;
default:
{
#if DEBUG
// w.OwnerBox.dbugPaintTextWordArea(g, offset, w);
#endif
}
break;
}
}
innerCanvas.CurrentFont = enterFont;
innerCanvas.CurrentTextColor = enterColor;
}
/// <summary>
/// Draw specific border (top/bottom/left/right) with the box data (style/width/rounded).<br/>
/// </summary>
/// <param name="borderSide">desired border to draw</param>
/// <param name="box">the box to draw its borders, contain the borders data</param>
/// <param name="g">the device to draw into</param>
/// <param name="rect">the rectangle the border is enclosing</param>
/// <param name="isLineStart">Specifies if the border is for a starting line (no bevel on left)</param>
/// <param name="isLineEnd">Specifies if the border is for an ending line (no bevel on right)</param>
static void DrawBorder(CssSide borderSide, CssBox box,
PaintVisitor p, RectangleF rect, bool isLineStart, bool isLineEnd)
{
float actualBorderWidth;
Color borderColor;
CssBorderStyle style;
GetBorderBorderDrawingInfo(box, borderSide, out style, out borderColor, out actualBorderWidth);
DrawBoard g = p.InnerDrawBoard;
if (box.HasSomeRoundCorner)
{
GraphicsPath borderPath = GetRoundedBorderPath(p, borderSide, box, rect);
if (borderPath != null)
{
// rounded border need special path
var smooth = g.SmoothingMode;
if (!p.AvoidGeometryAntialias && box.HasSomeRoundCorner)
{
g.SmoothingMode = SmoothingMode.AntiAlias;
}
p.DrawPath(borderPath, borderColor, actualBorderWidth);
//using (var pen = GetPen(p.Platform, style, borderColor, actualBorderWidth))
//using (borderPath)
//{
// g.DrawPath(pen, borderPath);
//}
g.SmoothingMode = smooth;
}
}
else
{
// non rounded border
switch (style)
{
case CssBorderStyle.Inset:
case CssBorderStyle.Outset:
{
// inset/outset border needs special rectangle
PointF[] borderPnts = new PointF[4];
SetInOutsetRectanglePoints(borderSide, box, rect, isLineStart, isLineEnd, borderPnts);
g.FillPolygon(borderColor, borderPnts);
}
break;
default:
{
// solid/dotted/dashed border draw as simple line
//using (var pen = GetPen(p.Platform, style, borderColor, actualBorderWidth))
//{
var prevColor = g.StrokeColor;
g.StrokeColor = borderColor;
float prevStrokeW = g.StrokeWidth;
g.StrokeWidth = actualBorderWidth;
//s_simpleRectBorderBuilder.SetBorderWidth(
// box.ActualBorderLeftWidth,
// box.ActualBorderTopWidth,
// box.ActualBorderRightWidth,
// box.ActualBorderBottomWidth
// );
//s_simpleRectBorderBuilder.BuildOverRefBounds(
// rect.Left,
// rect.Top,
// rect.Width,
// rect.Height,
// s_reusableBorderCoords);
switch (borderSide)
{
case CssSide.Top:
g.DrawLine((float)Math.Ceiling(rect.Left), rect.Top + box.ActualBorderTopWidth / 2, rect.Right - 1, rect.Top + box.ActualBorderTopWidth / 2);
break;
case CssSide.Left:
g.DrawLine(rect.Left + box.ActualBorderLeftWidth / 2, (float)Math.Ceiling(rect.Top), rect.Left + box.ActualBorderLeftWidth / 2, (float)Math.Floor(rect.Bottom));
break;
case CssSide.Bottom:
g.DrawLine((float)Math.Ceiling(rect.Left), rect.Bottom - box.ActualBorderBottomWidth / 2, rect.Right - 1, rect.Bottom - box.ActualBorderBottomWidth / 2);
break;
case CssSide.Right:
g.DrawLine(rect.Right - box.ActualBorderRightWidth / 2, (float)Math.Ceiling(rect.Top), rect.Right - box.ActualBorderRightWidth / 2, (float)Math.Floor(rect.Bottom));
break;
}
g.StrokeWidth = prevStrokeW;
g.StrokeColor = prevColor;
}
break;
}
}
}
/// <summary>
/// Makes a border path for rounded borders.<br/>
/// To support rounded dotted/dashed borders we need to use arc in the border path.<br/>
/// Return null if the border is not rounded.<br/>
/// </summary>
/// <param name="border">Desired border</param>
/// <param name="b">Box which the border corresponds</param>
/// <param name="r">the rectangle the border is enclosing</param>
/// <returns>Beveled border path, null if there is no rounded corners</returns>
static GraphicsPath GetRoundedBorderPath(PaintVisitor p, CssSide border, CssBox b, RectangleF r)
{
GraphicsPath path = null;
switch (border)
{
case CssSide.Top:
if (b.ActualCornerNW > 0 || b.ActualCornerNE > 0)
{
path = new GraphicsPath();
if (b.ActualCornerNW > 0)
path.AddArc(r.Left + b.ActualBorderLeftWidth / 2, r.Top + b.ActualBorderTopWidth / 2, b.ActualCornerNW * 2, b.ActualCornerNW * 2, 180f, 90f);
else
path.AddLine(r.Left + b.ActualBorderLeftWidth / 2, r.Top + b.ActualBorderTopWidth / 2, r.Left + b.ActualBorderLeftWidth, r.Top + b.ActualBorderTopWidth / 2);
if (b.ActualCornerNE > 0)
path.AddArc(r.Right - b.ActualCornerNE * 2 - b.ActualBorderRightWidth / 2, r.Top + b.ActualBorderTopWidth / 2, b.ActualCornerNE * 2, b.ActualCornerNE * 2, 270f, 90f);
else
path.AddLine(r.Right - b.ActualCornerNE * 2 - b.ActualBorderRightWidth, r.Top + b.ActualBorderTopWidth / 2, r.Right - b.ActualBorderRightWidth / 2, r.Top + b.ActualBorderTopWidth / 2);
}
break;
case CssSide.Bottom:
if (b.ActualCornerSW > 0 || b.ActualCornerSE > 0)
{
path = new GraphicsPath();
if (b.ActualCornerSE > 0)
path.AddArc(r.Right - b.ActualCornerNE * 2 - b.ActualBorderRightWidth / 2, r.Bottom - b.ActualCornerSE * 2 - b.ActualBorderBottomWidth / 2, b.ActualCornerSE * 2, b.ActualCornerSE * 2, 0f, 90f);
else
path.AddLine(r.Right - b.ActualBorderRightWidth / 2, r.Bottom - b.ActualBorderBottomWidth / 2, r.Right - b.ActualBorderRightWidth / 2, r.Bottom - b.ActualBorderBottomWidth / 2 - .1f);
if (b.ActualCornerSW > 0)
path.AddArc(r.Left + b.ActualBorderLeftWidth / 2, r.Bottom - b.ActualCornerSW * 2 - b.ActualBorderBottomWidth / 2, b.ActualCornerSW * 2, b.ActualCornerSW * 2, 90f, 90f);
else
path.AddLine(r.Left + b.ActualBorderLeftWidth / 2 + .1f, r.Bottom - b.ActualBorderBottomWidth / 2, r.Left + b.ActualBorderLeftWidth / 2, r.Bottom - b.ActualBorderBottomWidth / 2);
}
break;
case CssSide.Right:
if (b.ActualCornerNE > 0 || b.ActualCornerSE > 0)
{
path = new GraphicsPath();
if (b.ActualCornerNE > 0 && b.BorderTopStyle >= CssBorderStyle.Visible)
{
path.AddArc(r.Right - b.ActualCornerNE * 2 - b.ActualBorderRightWidth / 2, r.Top + b.ActualBorderTopWidth / 2, b.ActualCornerNE * 2, b.ActualCornerNE * 2, 270f, 90f);
}
else
{
path.AddLine(r.Right - b.ActualBorderRightWidth / 2, r.Top + b.ActualCornerNE + b.ActualBorderTopWidth / 2, r.Right - b.ActualBorderRightWidth / 2, r.Top + b.ActualCornerNE + b.ActualBorderTopWidth / 2 + .1f);
}
if (b.ActualCornerSE > 0 &&
b.BorderBottomStyle >= CssBorderStyle.Visible)
{
path.AddArc(r.Right - b.ActualCornerSE * 2 - b.ActualBorderRightWidth / 2, r.Bottom - b.ActualCornerSE * 2 - b.ActualBorderBottomWidth / 2, b.ActualCornerSE * 2, b.ActualCornerSE * 2, 0f, 90f);
}
else
{
path.AddLine(r.Right - b.ActualBorderRightWidth / 2, r.Bottom - b.ActualCornerSE - b.ActualBorderBottomWidth / 2 - .1f, r.Right - b.ActualBorderRightWidth / 2, r.Bottom - b.ActualCornerSE - b.ActualBorderBottomWidth / 2);
}
}
break;
case CssSide.Left:
if (b.ActualCornerNW > 0 || b.ActualCornerSW > 0)
{
path = new GraphicsPath();
if (b.ActualCornerSW > 0 && b.BorderTopStyle >= CssBorderStyle.Visible)//(b.BorderTopStyle == CssConstants.None || b.BorderTopStyle == CssConstants.Hidden))
{
path.AddArc(r.Left + b.ActualBorderLeftWidth / 2, r.Bottom - b.ActualCornerSW * 2 - b.ActualBorderBottomWidth / 2, b.ActualCornerSW * 2, b.ActualCornerSW * 2, 90f, 90f);
}
else
{
path.AddLine(r.Left + b.ActualBorderLeftWidth / 2, r.Bottom - b.ActualCornerSW - b.ActualBorderBottomWidth / 2, r.Left + b.ActualBorderLeftWidth / 2, r.Bottom - b.ActualCornerSW - b.ActualBorderBottomWidth / 2 - .1f);
}
if (b.ActualCornerNW > 0 &&
b.BorderBottomStyle >= CssBorderStyle.Visible)
{
path.AddArc(r.Left + b.ActualBorderLeftWidth / 2, r.Top + b.ActualBorderTopWidth / 2, b.ActualCornerNW * 2, b.ActualCornerNW * 2, 180f, 90f);
}
else
{
path.AddLine(r.Left + b.ActualBorderLeftWidth / 2, r.Top + b.ActualCornerNW + b.ActualBorderTopWidth / 2 + .1f, r.Left + b.ActualBorderLeftWidth / 2, r.Top + b.ActualCornerNW + b.ActualBorderTopWidth / 2);
}
}
break;
}
return path;
}
public override void Paint(PaintVisitor p)
{
if (this.strokeColor.A > 0)
{
p.DrawLine(
this.actualX1, this.actualY1,
this.actualX2, this.actualY2,
this.StrokeColor,
this.ActualStrokeWidth);
}
}
/// <summary>
/// Draw specific border (top/bottom/left/right) with the box data (style/width/rounded).<br/>
/// </summary>
/// <param name="borderSide">desired border to draw</param>
/// <param name="box">the box to draw its borders, contain the borders data</param>
/// <param name="g">the device to draw into</param>
/// <param name="rect">the rectangle the border is enclosing</param>
/// <param name="isLineStart">Specifies if the border is for a starting line (no bevel on left)</param>
/// <param name="isLineEnd">Specifies if the border is for an ending line (no bevel on right)</param>
static void DrawBorder(CssSide borderSide, CssBox box,
PaintVisitor p, RectangleF rect, bool isLineStart, bool isLineEnd)
{
float actualBorderWidth;
Color borderColor;
CssBorderStyle style;
GetBorderBorderDrawingInfo(box, borderSide, out style, out borderColor, out actualBorderWidth);
Canvas g = p.InnerCanvas;
if (box.HasSomeRoundCorner)
{
GraphicsPath borderPath = GetRoundedBorderPath(p, borderSide, box, rect);
if (borderPath != null)
{
// rounded border need special path
var smooth = g.SmoothingMode;
if (!p.AvoidGeometryAntialias && box.HasSomeRoundCorner)
{
g.SmoothingMode = SmoothingMode.AntiAlias;
}
p.DrawPath(borderPath, borderColor, actualBorderWidth);
//using (var pen = GetPen(p.Platform, style, borderColor, actualBorderWidth))
//using (borderPath)
//{
// g.DrawPath(pen, borderPath);
//}
g.SmoothingMode = smooth;
}
}
else
{
// non rounded border
switch (style)
{
case CssBorderStyle.Inset:
case CssBorderStyle.Outset:
{
// inset/outset border needs special rectangle
PointF[] borderPnts = new PointF[4];
SetInOutsetRectanglePoints(borderSide, box, rect, isLineStart, isLineEnd, borderPnts);
g.FillPolygon(borderColor, borderPnts);
}
break;
default:
{
// solid/dotted/dashed border draw as simple line
//using (var pen = GetPen(p.Platform, style, borderColor, actualBorderWidth))
//{
var prevColor = g.StrokeColor;
g.StrokeColor = borderColor;
float prevStrokeW = g.StrokeWidth;
g.StrokeWidth = actualBorderWidth;
switch (borderSide)
{
case CssSide.Top:
g.DrawLine((float)Math.Ceiling(rect.Left), rect.Top + box.ActualBorderTopWidth / 2, rect.Right - 1, rect.Top + box.ActualBorderTopWidth / 2);
break;
case CssSide.Left:
g.DrawLine(rect.Left + box.ActualBorderLeftWidth / 2, (float)Math.Ceiling(rect.Top), rect.Left + box.ActualBorderLeftWidth / 2, (float)Math.Floor(rect.Bottom));
break;
case CssSide.Bottom:
g.DrawLine((float)Math.Ceiling(rect.Left), rect.Bottom - box.ActualBorderBottomWidth / 2, rect.Right - 1, rect.Bottom - box.ActualBorderBottomWidth / 2);
break;
case CssSide.Right:
g.DrawLine(rect.Right - box.ActualBorderRightWidth / 2, (float)Math.Ceiling(rect.Top), rect.Right - box.ActualBorderRightWidth / 2, (float)Math.Floor(rect.Bottom));
break;
}
g.StrokeWidth = prevStrokeW;
g.StrokeColor = prevColor;
}
break;
}
}
}
/// <summary>
/// Paints the background of the box
/// </summary>
/// <param name="g">the device to draw into</param>
/// <param name="rect">the bounding rectangle to draw in</param>
/// <param name="isFirst">is it the first rectangle of the element</param>
/// <param name="isLast">is it the last rectangle of the element</param>
internal void PaintBackground(PaintVisitor p, RectangleF rect, bool isFirst, bool isLast)
{
//return;
//if (this.dbugMark1 > 0)
//{
// Console.WriteLine(this.dbugMark1);
// if ((this.dbugMark1 % 2) == 0)
// {
// }
// else
// {
// }
//}
if (!this.HasVisibleBgColor)
{
return;
}
if (rect.Width > 0 && rect.Height > 0)
{
Brush brush = null;
bool dispose = false;
if (BackgroundGradient != Color.Transparent)
{
//use bg gradient
brush = LinearGradientBrush.CreateLinearGradientBrush(rect,
ActualBackgroundColor,
ActualBackgroundGradient,
ActualBackgroundGradientAngle);
dispose = true;
}
else if (RenderUtils.IsColorVisible(ActualBackgroundColor))
{
brush = new SolidBrush(this.ActualBackgroundColor);
dispose = true;
}
DrawBoard g = p.InnerCanvas;
SmoothingMode smooth = g.SmoothingMode;
if (brush != null)
{
// atodo: handle it correctly (tables background)
// if (isLast)
// rectangle.Width -= ActualWordSpacing + CssUtils.GetWordEndWhitespace(ActualFont);
GraphicsPath roundrect = null;
bool hasSomeRoundCorner = this.HasSomeRoundCorner;
if (hasSomeRoundCorner)
{
roundrect = RenderUtils.GetRoundRect(rect, ActualCornerNW, ActualCornerNE, ActualCornerSE, ActualCornerSW);
}
if (!p.AvoidGeometryAntialias && hasSomeRoundCorner)
{
g.SmoothingMode = SmoothingMode.AntiAlias;
}
if (roundrect != null)
{
g.FillPath(brush, roundrect);
}
else
{
g.FillRectangle(brush, (float)Math.Ceiling(rect.X), (float)Math.Ceiling(rect.Y), rect.Width, rect.Height);
}
g.SmoothingMode = smooth;
if (roundrect != null)
{
roundrect.Dispose();
}
if (dispose)
{
brush.Dispose();
}
}
if (isFirst)
{
var bgImageBinder = this.BackgroundImageBinder;
if (bgImageBinder != null && bgImageBinder.Image != null)
{
BackgroundImagePaintHelper.DrawBackgroundImage(g, this, bgImageBinder, rect);
}
}
}
}
internal static void ReleaseSharedPainter(PaintVisitor p)
{
p.UnBind();
painterStock.Enqueue(p);
}