protected override void DrawBoxContent(Canvas canvas, Rectangle updateArea)
{
// canvas.FillRectangle(Color.White, 0, 0, this.Width, this.Height);
if (needUpdate)
{
//default bg => transparent !,
//gfx2d.Clear(ColorRGBA.White);//if want opaque bg
ReleaseUnmanagedResources();
if (bmp != null)
{
bmp.Dispose();
}
this.bmp = this.actualImage;// new Bitmap(this.Width, this.Height, this.actualImage.GetBuffer(), false);
// canvas.Platform.CreatePlatformBitmap(this.Width, this.Height, this.actualImage.GetBuffer(), false);
Image.SetCacheInnerImage(bmp, null);
needUpdate = false;
}
//canvas.FillRectangle(this.BackColor, 0, 0, this.Width, this.Height);
if (bmp != null)
{
canvas.DrawImage(this.bmp, new RectangleF(0, 0, this.Width, this.Height));
}
//---------------------
#if DEBUG
//canvasPage.dbug_DrawCrossRect(PixelFarm.Drawing.Color.Black,
// new Rectangle(0, 0, this.Width, this.Height));
#endif
}
protected override void DrawBoxContent(Canvas canvas, Rectangle updateArea)
{
if (this.imageBinder != null)
{
switch (imageBinder.State)
{
case ImageBinderState.Loaded:
{
canvas.DrawImage(imageBinder.Image,
new RectangleF(0, 0, this.Width, this.Height));
}
break;
case ImageBinderState.Unload:
{
if (this.imageBinder.HasLazyFunc)
{
this.imageBinder.LazyLoadImage();
}
}
break;
}
}
else
{
//when no image
//canvasPage.FillRectangle(BackColor, updateArea._left, updateArea._top, updateArea.Width, updateArea.Height);
}
#if DEBUG
//canvasPage.dbug_DrawCrossRect(PixelFarm.Drawing.Color.Black,
// new Rectangle(0, 0, this.Width, this.Height));
#endif
}
public sealed override void CustomDrawToThisCanvas(Canvas canvas, Rectangle updateArea)
{
canvas.OffsetCanvasOrigin(-myviewportX, -myviewportY);
updateArea.Offset(myviewportX, myviewportY);
this.DrawBoxContent(canvas, updateArea);
canvas.OffsetCanvasOrigin(myviewportX, myviewportY);
updateArea.Offset(-myviewportX, -myviewportY);
}
public void UnBind()
{
//clear
this.canvas = null;
this.htmlContainer = null;
this.clipStacks.Clear();
this.latestClip = new Rectangle(0, 0, CssBoxConstConfig.BOX_MAX_RIGHT, CssBoxConstConfig.BOX_MAX_BOTTOM);
}
public override void CustomDrawToThisCanvas(Canvas canvas, Rectangle updateArea)
{
if (this.textBuffer != null)
{
var prevColor = canvas.CurrentTextColor;
canvas.CurrentTextColor = textColor;
canvas.DrawText(this.textBuffer, this.X, this.Y);
canvas.CurrentTextColor = prevColor;
}
}
protected override void DrawBoxContent(Canvas canvas, Rectangle updateArea)
{
myHtmlCont.CheckDocUpdate();
var 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);
}
protected override void DrawBoxContent(Canvas canvas, Rectangle updateArea)
{
var enterFont = canvas.CurrentFont;
canvas.CurrentFont = this.CurrentTextSpanStyle.FontInfo;
if (vscrollableSurface != null)
{
vscrollableSurface.DrawToThisPage(canvas, updateArea);
}
//1. bg
if (BackgroundColor.A > 0)
{
//canvas.FillRectangle(BackgroundColor, 0, 0, updateArea.Width, updateArea.Height);
canvas.FillRectangle(BackgroundColor, 0, 0, this.Width, this.Height);
}
//2. sub ground
if (internalTextLayerController.SelectionRange != null)
{
internalTextLayerController.SelectionRange.Draw(canvas, updateArea);
}
//3. each layer
if (vscrollableSurface != null)
{
vscrollableSurface.DrawToThisPage(canvas, updateArea);
}
else
{
this.textLayer.DrawChildContent(canvas, updateArea);
if (this.HasDefaultLayer)
{
this.DrawDefaultLayer(canvas, ref updateArea);
}
}
#if DEBUG
//for debug
canvas.FillRectangle(Color.Red, 0, 0, 5, 5);
#endif
//4. caret
if (this.stateShowCaret)
{
Point textManCaretPos = internalTextLayerController.CaretPos;
this.myCaret.DrawCaret(canvas, textManCaretPos.X, textManCaretPos.Y);
}
else
{
}
canvas.CurrentFont = enterFont;
}
protected override void DrawBoxContent(Canvas canvas, Rectangle updateArea)
{
//draw this ...
var penwidth = canvas.StrokeWidth;
int borderWidth = 5;
int halfBorder = borderWidth / 2;
canvas.StrokeWidth = borderWidth;
canvas.DrawRectangle(
Color.OrangeRed,
halfBorder, halfBorder,
this.Width - borderWidth,
this.Height - borderWidth);
canvas.StrokeWidth = penwidth;
}
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;
}
/// <summary>
/// Draw the background image of the given box in the given rectangle.<br/>
/// Handle background-repeat and background-position values.
/// </summary>
/// <param name="g">the device to draw into</param>
/// <param name="box">the box to draw its background image</param>
/// <param name="imageLoadHandler">the handler that loads image to draw</param>
/// <param name="rectangle">the rectangle to draw image in</param>
public static void DrawBackgroundImage(Canvas g, CssBox box, ImageBinder imageBinder, RectangleF rectangle)
{
var image = imageBinder.Image;
//temporary comment image scale code
var imgSize = image.Size;
//new Size(imageLoadHandler.Rectangle == Rectangle.Empty ? imageLoadHandler.Image.Width : imageLoadHandler.Rectangle.Width,
// imageLoadHandler.Rectangle == Rectangle.Empty ? imageLoadHandler.Image.Height : imageLoadHandler.Rectangle.Height);
// get the location by BackgroundPosition value
var location = GetLocation(box.BackgroundPositionX, box.BackgroundPositionY, rectangle, imgSize);
//var srcRect = imageLoadHandler.Rectangle == Rectangle.Empty
// ? new Rectangle(0, 0, imgSize.Width, imgSize.Height)
// : new Rectangle(imageLoadHandler.Rectangle.Left, imageLoadHandler.Rectangle.Top, imgSize.Width, imgSize.Height);
var srcRect = new Rectangle(0, 0, image.Width, image.Height);
// initial image destination rectangle
var destRect = new Rectangle(location, imgSize);
// need to clip so repeated image will be cut on rectangle
var prevClip = g.CurrentClipRect;
PixelFarm.Drawing.Rectangle copyRect = new PixelFarm.Drawing.Rectangle(
(int)rectangle.X,
(int)rectangle.Y,
(int)rectangle.Width,
(int)rectangle.Height);
copyRect.Intersect(prevClip);
g.SetClipRect(copyRect);
switch (box.BackgroundRepeat)
{
case CssBackgroundRepeat.NoRepeat:
g.DrawImage(image, new RectangleF(location, imgSize), new RectangleF(0, 0, image.Width, image.Height));
break;
case CssBackgroundRepeat.RepeatX:
DrawRepeatX(g, image, rectangle, srcRect, destRect, imgSize);
break;
case CssBackgroundRepeat.RepeatY:
DrawRepeatY(g, image, rectangle, srcRect, destRect, imgSize);
break;
default:
DrawRepeat(g, image, rectangle, srcRect, destRect, imgSize);
break;
}
g.SetClipRect(prevClip);
}
protected override void DrawBoxContent(Canvas canvas, Rectangle updateArea)
{
#if DEBUG
if (this.dbugBreak)
{
}
#endif
//sample bg
//canvas.FillRectangle(BackColor, updateArea.Left, updateArea.Top, updateArea.Width, updateArea.Height);
canvas.FillRectangle(BackColor, 0, 0, this.Width, this.Height);
this.DrawDefaultLayer(canvas, ref updateArea);
#if DEBUG
//canvas.dbug_DrawCrossRect(PixelFarm.Drawing.Color.Black,
// new Rectangle(0, 0, this.Width, this.Height));
//canvas.dbug_DrawCrossRect(PixelFarm.Drawing.Color.Black,
// new Rectangle(updateArea.Left, updateArea.Top, updateArea.Width, updateArea.Height));
#endif
}
protected override void DrawBoxContent(Canvas canvas, Rectangle updateArea)
{
//if (this.image != null)
//{
// canvas.DrawImage(this.image,
// new RectangleF(0, 0, this.Width, this.Height));
//}
//else
//{
//when no image
//---------------------
// canvas.FillRectangle(Color.White, 0, 0, this.Width, this.Height);
if (needUpdate)
{
//default bg => transparent !,
//gfx2d.Clear(ColorRGBA.White);//if want opaque bg
ReleaseUnmanagedResources();
int j = sprites.Count;
for (int i = 0; i < j; ++i)
{
sprites[i].OnDraw(gfx2d);
}
//this.bmp = new Bitmap(this.Width, this.Height, this.actualImage.GetBuffer(), true);
needUpdate = false;
}
canvas.DrawImage(actualImage, new RectangleF(0, 0, this.Width, this.Height));
//---------------------
//copy data from actual image to canvas
//}
#if DEBUG
//canvasPage.dbug_DrawCrossRect(PixelFarm.Drawing.Color.Black,
// new Rectangle(0, 0, this.Width, this.Height));
#endif
}
public override void DrawChildContent(Canvas canvasPage, Rectangle updateArea)
{
if ((layerFlags & IS_LAYER_HIDDEN) != 0)
{
return;
}
this.BeginDrawingChildContent();
foreach (RenderElement child in this.GetDrawingIter())
{
if (child.IntersectsWith(ref updateArea))
{
int x = child.X;
int y = child.Y;
canvasPage.OffsetCanvasOrigin(x, y);
updateArea.Offset(-x, -y);
child.DrawToThisCanvas(canvasPage, updateArea);
canvasPage.OffsetCanvasOrigin(-x, -y);
updateArea.Offset(x, y);
}
}
this.FinishDrawingChildContent();
}
protected void DrawDefaultLayer(Canvas canvas, ref Rectangle updateArea)
{
if (this.defaultLayer != null)
{
#if DEBUG
if (!debugBreaK1)
{
debugBreaK1 = true;
}
#endif
defaultLayer.DrawChildContent(canvas, updateArea);
}
}
public override void CustomDrawToThisCanvas(Canvas canvas, Rectangle updateArea)
{
int bWidth = this.Width;
int bHeight = this.Height;
if (!this.HasStyle)
{
canvas.DrawText(this.mybuffer, new Rectangle(0, 0, bWidth, bHeight), 0);
}
else
{
TextSpanStyle style = this.SpanStyle;
switch (EvaluateFontAndTextColor(canvas, style))
{
case DIFF_FONT_SAME_TEXT_COLOR:
{
var prevFont = canvas.CurrentFont;
canvas.CurrentFont = style.FontInfo;
canvas.DrawText(this.mybuffer,
new Rectangle(0, 0, bWidth, bHeight),
style.ContentHAlign);
canvas.CurrentFont = prevFont;
}
break;
case DIFF_FONT_DIFF_TEXT_COLOR:
{
var prevFont = canvas.CurrentFont;
var prevColor = canvas.CurrentTextColor;
canvas.CurrentFont = style.FontInfo;
canvas.CurrentTextColor = style.FontColor;
canvas.DrawText(this.mybuffer,
new Rectangle(0, 0, bWidth, bHeight),
style.ContentHAlign);
canvas.CurrentFont = prevFont;
canvas.CurrentTextColor = prevColor;
}
break;
case SAME_FONT_DIFF_TEXT_COLOR:
{
var prevColor = canvas.CurrentTextColor;
canvas.DrawText(this.mybuffer,
new Rectangle(0, 0, bWidth, bHeight),
style.ContentHAlign);
canvas.CurrentTextColor = prevColor;
}
break;
default:
{
canvas.DrawText(this.mybuffer,
new Rectangle(0, 0, bWidth, bHeight),
style.ContentHAlign);
}
break;
}
}
}
static int EvaluateFontAndTextColor(Canvas canvas, TextSpanStyle spanStyle)
{
var font = spanStyle.FontInfo;
var color = spanStyle.FontColor;
var currentTextFont = canvas.CurrentFont;
var currentTextColor = canvas.CurrentTextColor;
if (font != null && font != currentTextFont)
{
if (currentTextColor != color)
{
return DIFF_FONT_DIFF_TEXT_COLOR;
}
else
{
return DIFF_FONT_SAME_TEXT_COLOR;
}
}
else
{
if (currentTextColor != color)
{
return SAME_FONT_DIFF_TEXT_COLOR;
}
else
{
return SAME_FONT_SAME_TEXT_COLOR;
}
}
}
public static void DrawBorder(CssSide border, PointF[] borderPts, Canvas g, CssBox box, Color solidColor, RectangleF rectangle)
{
SetInOutsetRectanglePoints(border, box, rectangle, true, true, borderPts);
g.FillPolygon(solidColor, borderPts);
}
protected override void DrawBoxContent(Canvas canvas, Rectangle updateArea)
{
canvas.FillRectangle(Color.White, 0, 0, this.Width, this.Height);
this.DrawDefaultLayer(canvas, ref updateArea);
}
protected abstract void DrawBoxContent(Canvas canvas, Rectangle updateArea);
///// <summary>
///// Get cached solid brush instance for the given color.
///// </summary>
///// <param name="color">the color to get brush for</param>
///// <returns>brush instance</returns>
//public static Brush GetSolidBrush(Color color)
//{
// if (color == Color.White)
// {
// return Brushes.White;
// }
// else if (color == Color.Black)
// {
// return Brushes.Black;
// }
// else if (!IsColorVisible(color))
// {
// return Brushes.Transparent;
// }
// else
// {
// Brush brush;
// if (!_brushesCache.TryGetValue(color, out brush))
// {
// _brushesCache[color] = brush = CurrentGraphicPlatform.CreateSolidBrush(color);
// }
// return brush;
// }
//}
///// <summary>
///// Get cached pen instance for the given color.
///// </summary>
///// <param name="color">the color to get pen for</param>
///// <returns>pen instance</returns>
//public static Pen GetPen(GraphicPlatform p, Color color)
//{
// Pen pen;
// if (!_penCache.TryGetValue(color, out pen))
// {
// pen = p.CreateSolidPen(color);
// _penCache[color] = pen;
// }
// else
// {
// pen.Width = 1;
// }
// return pen;
//}
/// <summary>
/// Draw image loading icon.
/// </summary>
/// <param name="g">the device to draw into</param>
/// <param name="r">the rectangle to draw icon in</param>
public static void DrawImageLoadingIcon(Canvas g, RectangleF r)
{
g.DrawRectangle(Color.LightGray, r.Left + 3, r.Top + 3, 13, 14);
var image = GetLoadImage();
g.DrawImage(image, new RectangleF(r.Left + 4, r.Top + 4, image.Width, image.Height));
}
public override void DrawChildContent(Canvas canvas, Rectangle updateArea)
{
if ((layerFlags & IS_LAYER_HIDDEN) != 0)
{
return;
}
this.BeginDrawingChildContent();
if ((layerFlags & FLOWLAYER_HAS_MULTILINE) != 0)
{
List<EditableTextLine> lines = (List<EditableTextLine>)lineCollection;
int renderAreaTop = updateArea.Top;
int renderAreaBottom = updateArea.Bottom;
bool foundFirstLine = false;
int j = lines.Count;
for (int i = 0; i < j; ++i)
{
EditableTextLine line = lines[i];
#if DEBUG
if (this.OwnerRenderElement is RenderBoxBase)
{
debug_RecordLineInfo((RenderBoxBase)OwnerRenderElement, line);
}
#endif
int y = line.Top;
LinkedListNode<EditableRun> curNode = line.First;
if (!foundFirstLine)
{
if (y + line.ActualLineHeight < renderAreaTop)
{
continue;
}
else
{
foundFirstLine = true;
}
}
else
{
if (y > renderAreaBottom)
{
break;
}
}
updateArea.OffsetY(-y);
canvas.OffsetCanvasOriginY(y);
while (curNode != null)
{
EditableRun child = curNode.Value;
if (child.IntersectOnHorizontalWith(ref updateArea))
{
int x = child.X;
canvas.OffsetCanvasOriginX(x);
updateArea.OffsetX(-x);
child.DrawToThisCanvas(canvas, updateArea);
canvas.OffsetCanvasOriginX(-x);
updateArea.OffsetX(x);
}
curNode = curNode.Next;
}
canvas.OffsetCanvasOriginY(-y);
updateArea.OffsetY(y);
}
}
else
{
EditableTextLine line = (EditableTextLine)lineCollection;
#if DEBUG
if (OwnerRenderElement is RenderBoxBase)
{
debug_RecordLineInfo((RenderBoxBase)OwnerRenderElement, line);
}
#endif
LinkedListNode<EditableRun> curNode = line.First;
if (curNode != null)
{
int y = line.Top;
canvas.OffsetCanvasOriginY(y);
updateArea.OffsetY(-y);
while (curNode != null)
{
EditableRun child = curNode.Value;
if (child.IntersectOnHorizontalWith(ref updateArea))
{
int x = child.X;
canvas.OffsetCanvasOriginX(x);
updateArea.OffsetX(-x);
child.DrawToThisCanvas(canvas, updateArea);
canvas.OffsetCanvasOriginX(-x);
updateArea.OffsetX(x);
}
curNode = curNode.Next;
}
canvas.OffsetCanvasOriginY(-y);
updateArea.OffsetY(y);
}
}
this.FinishDrawingChildContent();
}
public void dbugShowRenderPart(Canvas canvasPage, Rectangle updateArea)
{
RootGraphic visualroot = this.dbugVRoot;
if (visualroot.dbug_ShowRootUpdateArea)
{
canvasPage.FillRectangle(Color.FromArgb(50, Color.Black),
updateArea.Left, updateArea.Top,
updateArea.Width - 1, updateArea.Height - 1);
canvasPage.FillRectangle(Color.White,
updateArea.Left, updateArea.Top, 5, 5);
canvasPage.DrawRectangle(Color.Yellow,
updateArea.Left, updateArea.Top,
updateArea.Width - 1, updateArea.Height - 1);
Color c_color = canvasPage.CurrentTextColor;
canvasPage.CurrentTextColor = Color.White;
canvasPage.DrawText(visualroot.dbug_RootUpdateCounter.ToString().ToCharArray(), updateArea.Left, updateArea.Top);
if (updateArea.Height > 25)
{
canvasPage.DrawText(visualroot.dbug_RootUpdateCounter.ToString().ToCharArray(), updateArea.Left, updateArea.Top + (updateArea.Height - 20));
}
canvasPage.CurrentTextColor = c_color;
visualroot.dbug_RootUpdateCounter++;
}
}
void debug_RecordPostDrawInfo(Canvas canvasPage)
{
if (dbugVRoot.dbug_ShowElementOutline)
{
canvasPage.DrawRectangle(Color.Red,
0, 0, this.Width - 1, this.Height - 1);
}
if (dbugVRoot.dbug_ForceShowObjectIden)
{
var prevColor = canvasPage.CurrentTextColor;
canvasPage.CurrentTextColor = Color.Blue;
canvasPage.DrawText(
("<< " + dbug_FullElementDescription()).ToCharArray()
, 0, dbug_element_code_y);
canvasPage.CurrentTextColor = prevColor;
}
else if (dbugVRoot.dbug_ShowObjectIden && !dbug_hide_objIden)
{
var prevColor = canvasPage.CurrentTextColor;
canvasPage.CurrentTextColor = Color.Blue;
canvasPage.DrawText(
("<< " + dbug_FullElementDescription()).ToCharArray()
, 0, dbug_element_code_y);
canvasPage.CurrentTextColor = prevColor;
}
}
public VisualPaintEventArgs(Canvas canvas, Rectangle updateArea)
{
this.canvas = canvas;
this.updateArea = updateArea;
}
public abstract void DrawChildContent(Canvas canvasPage, Rectangle updateArea);
/// <summary>
/// Draw image failed to load icon.
/// </summary>
/// <param name="g">the device to draw into</param>
/// <param name="r">the rectangle to draw icon in</param>
public static void DrawImageErrorIcon(Canvas g, RectangleF r)
{
g.DrawRectangle(Color.LightGray, r.Left + 2, r.Top + 2, 15, 15);
var image = GetErrorImage();
g.DrawImage(image, new RectangleF(r.Left + 3, r.Top + 3, image.Width, image.Height));
}
public void dbug_AddDrawElement(RenderElement visualElement, Canvas currentCanvas)
{
dbug_AddDrawElement(visualElement, currentCanvas, null);
}
public void dbug_AddDrawElement(RenderElement visualElement, Canvas currentCanvas, string additionalMsg)
{
StringBuilder stBuilder = new StringBuilder();
stBuilder.Append(new string('.', dbug_drawLevel));
stBuilder.Append("[" + dbug_drawLevel + "] c_" + currentCanvas.debug_canvas_id + " ");
stBuilder.Append(visualElement.dbug_FullElementDescription());
Rectangle r = visualElement.dbugGetGlobalRect();
stBuilder.Append(" global(" + r.X + "," + r.Y + "," + r.Width + "," + r.Height + ")");
Rectangle currentClipRect = currentCanvas.CurrentClipRect;
stBuilder.Append(" clip(" + currentClipRect.X +
"," + currentClipRect.Y + "," + currentClipRect.Width + "," + currentClipRect.Height + ") ");
if (visualElement.dbugParentVisualElement != null)
{
stBuilder.Append(" of " + visualElement.dbugParentVisualElement.dbug_FullElementDescription());
}
dbug_rootDrawingMsg.AddLast(new dbugLayoutMsg(visualElement, stBuilder.ToString()));
if (additionalMsg != null)
{
stBuilder.Length = 0; stBuilder.Append(new string('.', dbug_drawLevel));
stBuilder.Append("[" + dbug_drawLevel + "] c:" + currentCanvas.debug_canvas_id + " ");
stBuilder.Append(visualElement.dbug_FullElementDescription());
dbug_rootDrawingMsg.AddLast(new dbugLayoutMsg(visualElement, stBuilder.ToString()));
}
}
internal void PaintDecoration(Canvas g, RectangleF rectangle, bool isFirst, bool isLast)
{
float y = 0f;
switch (this.TextDecoration)
{
default:
return;
case Css.CssTextDecoration.Underline:
{
//TODO: correct this ...
//var h = g.MeasureString(" ", ActualFont).Height;
//float desc = FontsUtils.GetDescentPx(ActualFont);
//y = (float)Math.Round(rectangle.Top + h - desc + 0.5);
RequestFont afont = ResolvedFont;
//PixelFarm.Drawing.Fonts.ActualFont ff = afont.ActualFont;
var h = afont.SizeInPixels;
float desc = (float)afont.DescentInPixels;// fontInfo.DescentPx;
y = (float)Math.Round(rectangle.Top + h - desc);
}
break;
case Css.CssTextDecoration.LineThrough:
{
y = rectangle.Top + rectangle.Height / 2f;
}
break;
case Css.CssTextDecoration.Overline:
{
y = rectangle.Top;
}
break;
}
//y -= ActualPaddingBottom - ActualBorderBottomWidth;
y -= (ActualPaddingBottom + ActualBorderBottomWidth);
float x1 = rectangle.X;
if (isFirst)
{
x1 += ActualPaddingLeft + ActualBorderLeftWidth;
}
float x2 = rectangle.Right;
if (isLast)
{
x2 -= ActualPaddingRight + ActualBorderRightWidth;
}
var prevColor = g.StrokeColor;
g.StrokeColor = ActualColor;
g.DrawLine(x1, y, x2, y);
g.StrokeColor = prevColor;
}
public void Draw(Canvas destPage, Rectangle updateArea)
{
if (IsOnTheSameLine)
{
VisualPointInfo topEndPoint = TopEnd;
VisualPointInfo bottomEndPoint = BottomEnd;
int linetop = topEndPoint.LineTop;
destPage.FillRectangle(Color.LightGray, topEndPoint.X, linetop,
bottomEndPoint.X - topEndPoint.X, topEndPoint.ActualLineHeight);
}
else
{
EditableVisualPointInfo topEndPoint = TopEnd;
int lineYPos = topEndPoint.LineTop;
destPage.FillRectangle(Color.LightGray, topEndPoint.X, lineYPos,
topEndPoint.CurrentWidth - topEndPoint.X,
topEndPoint.ActualLineHeight);
int topLineId = topEndPoint.LineId;
int bottomLineId = BottomEnd.LineId;
if (bottomLineId - topLineId > 1)
{
EditableTextLine adjacentStartLine = topEndPoint.EditableLine.Next;
while (adjacentStartLine != BottomEnd.Line)
{
destPage.FillRectangle(Color.LightGray, 0,
adjacentStartLine.LineTop,
adjacentStartLine.CurrentWidth,
adjacentStartLine.ActualLineHeight);
adjacentStartLine = adjacentStartLine.Next;
}
EditableTextLine adjacentStopLine = BottomEnd.Line.Prev;
}
VisualPointInfo bottomEndPoint = BottomEnd;
lineYPos = bottomEndPoint.LineTop;
destPage.FillRectangle(Color.LightGray, 0, lineYPos, bottomEndPoint.X,
bottomEndPoint.ActualLineHeight);
}
}