//========================================================================
internal void DirectSetBorderWidth(CssSide side, float w)
{
switch (side)
{
case CssSide.Left:
{
this._actualBorderLeftWidth = w;
}
break;
case CssSide.Top:
{
this._actualBorderTopWidth = w;
}
break;
case CssSide.Right:
{
this._actualBorderRightWidth = w;
}
break;
case CssSide.Bottom:
{
this._actualBorderBottomWidth = w;
}
break;
}
}
//========================================================================
internal void DirectSetBorderWidth(CssSide side, float w)
{
switch (side)
{
case CssSide.Left:
{
this._actualBorderLeftWidth = w;
}
break;
case CssSide.Top:
{
this._actualBorderTopWidth = w;
}
break;
case CssSide.Right:
{
this._actualBorderRightWidth = w;
}
break;
case CssSide.Bottom:
{
this._actualBorderBottomWidth = w;
}
break;
}
}
/// <summary>
/// Set rectangle for inset/outset border as it need diagonal connection to other borders.
/// </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>
/// <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>
/// <returns>Beveled border path, null if there is no rounded corners</returns>
static void SetInOutsetRectanglePoints(CssSide border, CssBox b, RectangleF r, bool isLineStart, bool isLineEnd,
PointF[] _borderPts)
{
PointF Offset(PointF p, float dx, float dy) => new PointF(p.X + dx, p.Y + dy);
switch (border)
{
case CssSide.Top:
_borderPts[0] = new PointF(r.Left, r.Top);
_borderPts[1] = new PointF(r.Right, r.Top);
_borderPts[2] = new PointF(r.Right, r.Top + b.ActualBorderTopWidth);
_borderPts[3] = new PointF(r.Left, r.Top + b.ActualBorderTopWidth);
if (isLineEnd)
{
//_borderPts[2].X -= b.ActualBorderRightWidth;
_borderPts[2] = Offset(_borderPts[2], -b.ActualBorderRightWidth, 0);
}
if (isLineStart)
{
//_borderPts[3].X += b.ActualBorderLeftWidth;
_borderPts[3] = Offset(_borderPts[3], b.ActualBorderLeftWidth, 0);
}
break;
case CssSide.Right:
_borderPts[0] = new PointF(r.Right - b.ActualBorderRightWidth, r.Top + b.ActualBorderTopWidth);
_borderPts[1] = new PointF(r.Right, r.Top);
_borderPts[2] = new PointF(r.Right, r.Bottom);
_borderPts[3] = new PointF(r.Right - b.ActualBorderRightWidth, r.Bottom - b.ActualBorderBottomWidth);
break;
case CssSide.Bottom:
_borderPts[0] = new PointF(r.Left, r.Bottom - b.ActualBorderBottomWidth);
_borderPts[1] = new PointF(r.Right, r.Bottom - b.ActualBorderBottomWidth);
_borderPts[2] = new PointF(r.Right, r.Bottom);
_borderPts[3] = new PointF(r.Left, r.Bottom);
if (isLineStart)
{
_borderPts[0] = Offset(_borderPts[0], b.ActualBorderLeftWidth, 0);
//_borderPts[0].X += b.ActualBorderLeftWidth;
}
if (isLineEnd)
{
//_borderPts[1].X -= b.ActualBorderRightWidth;
_borderPts[1] = Offset(_borderPts[1], b.ActualBorderRightWidth, 0);
}
break;
case CssSide.Left:
_borderPts[0] = new PointF(r.Left, r.Top);
_borderPts[1] = new PointF(r.Left + b.ActualBorderLeftWidth, r.Top + b.ActualBorderTopWidth);
_borderPts[2] = new PointF(r.Left + b.ActualBorderLeftWidth, r.Bottom - b.ActualBorderBottomWidth);
_borderPts[3] = new PointF(r.Left, r.Bottom);
break;
}
}
/// <summary>
/// Set rectangle for inset/outset border as it need diagonal connection to other borders.
/// </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>
/// <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>
/// <returns>Beveled border path, null if there is no rounded corners</returns>
static void SetInOutsetRectanglePoints(CssSide border, CssBox b, RectangleF r, bool isLineStart, bool isLineEnd,
PointF[] _borderPts)
{
switch (border)
{
case CssSide.Top:
_borderPts[0] = new PointF(r.Left, r.Top);
_borderPts[1] = new PointF(r.Right, r.Top);
_borderPts[2] = new PointF(r.Right, r.Top + b.ActualBorderTopWidth);
_borderPts[3] = new PointF(r.Left, r.Top + b.ActualBorderTopWidth);
if (isLineEnd)
{
_borderPts[2].X -= b.ActualBorderRightWidth;
}
if (isLineStart)
{
_borderPts[3].X += b.ActualBorderLeftWidth;
}
break;
case CssSide.Right:
_borderPts[0] = new PointF(r.Right - b.ActualBorderRightWidth, r.Top + b.ActualBorderTopWidth);
_borderPts[1] = new PointF(r.Right, r.Top);
_borderPts[2] = new PointF(r.Right, r.Bottom);
_borderPts[3] = new PointF(r.Right - b.ActualBorderRightWidth, r.Bottom - b.ActualBorderBottomWidth);
break;
case CssSide.Bottom:
_borderPts[0] = new PointF(r.Left, r.Bottom - b.ActualBorderBottomWidth);
_borderPts[1] = new PointF(r.Right, r.Bottom - b.ActualBorderBottomWidth);
_borderPts[2] = new PointF(r.Right, r.Bottom);
_borderPts[3] = new PointF(r.Left, r.Bottom);
if (isLineStart)
{
_borderPts[0].X += b.ActualBorderLeftWidth;
}
if (isLineEnd)
{
_borderPts[1].X -= b.ActualBorderRightWidth;
}
break;
case CssSide.Left:
_borderPts[0] = new PointF(r.Left, r.Top);
_borderPts[1] = new PointF(r.Left + b.ActualBorderLeftWidth, r.Top + b.ActualBorderTopWidth);
_borderPts[2] = new PointF(r.Left + b.ActualBorderLeftWidth, r.Bottom - b.ActualBorderBottomWidth);
_borderPts[3] = new PointF(r.Left, r.Bottom);
break;
}
}
/// <summary>
/// Gets the value for the given side.
/// </summary>
/// <param name="side">The side to use.</param>
/// <returns>The value of the given side.</returns>
public CSSPrimitiveValue GetSide(CssSide side)
{
switch (side)
{
case CssSide.Top:
return top;
case CssSide.Right:
return right;
case CssSide.Bottom:
return bottom;
case CssSide.Left:
return left;
}
throw new ArgumentOutOfRangeException("Invalid value for side.");
}
static void GetBorderBorderDrawingInfo(CssBox box,
CssSide borderSide,
out CssBorderStyle borderStyle,
out Color borderColor,
out float actualBorderWidth)
{
switch (borderSide)
{
case CssSide.Top:
actualBorderWidth = box.ActualBorderTopWidth;
borderStyle = box.BorderTopStyle;
borderColor = (borderStyle == CssBorderStyle.Inset) ?
Darken(box.BorderTopColor) :
box.BorderTopColor;
break;
case CssSide.Left:
actualBorderWidth = box.ActualBorderLeftWidth;
borderStyle = box.BorderLeftStyle;
borderColor = (borderStyle == CssBorderStyle.Inset) ?
Darken(box.BorderLeftColor) :
box.BorderLeftColor;
break;
case CssSide.Right:
actualBorderWidth = box.ActualBorderRightWidth;
borderStyle = box.BorderRightStyle;
borderColor = (borderStyle == CssBorderStyle.Outset) ?
Darken(box.BorderRightColor) :
box.BorderRightColor;
break;
case CssSide.Bottom:
actualBorderWidth = box.ActualBorderBottomWidth;
borderStyle = box.BorderBottomStyle;
borderColor = (borderStyle == CssBorderStyle.Outset) ?
Darken(box.BorderBottomColor) :
box.BorderBottomColor;
break;
default:
throw new ArgumentOutOfRangeException("border");
}
}
static void GetBorderBorderDrawingInfo(CssBox box,
CssSide borderSide,
out CssBorderStyle borderStyle,
out Color borderColor,
out float actualBorderWidth)
{
switch (borderSide)
{
case CssSide.Top:
actualBorderWidth = box.ActualBorderTopWidth;
borderStyle = box.BorderTopStyle;
borderColor = (borderStyle == CssBorderStyle.Inset) ?
Darken(box.BorderTopColor) :
box.BorderTopColor;
break;
case CssSide.Left:
actualBorderWidth = box.ActualBorderLeftWidth;
borderStyle = box.BorderLeftStyle;
borderColor = (borderStyle == CssBorderStyle.Inset) ?
Darken(box.BorderLeftColor) :
box.BorderLeftColor;
break;
case CssSide.Right:
actualBorderWidth = box.ActualBorderRightWidth;
borderStyle = box.BorderRightStyle;
borderColor = (borderStyle == CssBorderStyle.Outset) ?
Darken(box.BorderRightColor) :
box.BorderRightColor;
break;
case CssSide.Bottom:
actualBorderWidth = box.ActualBorderBottomWidth;
borderStyle = box.BorderBottomStyle;
borderColor = (borderStyle == CssBorderStyle.Outset) ?
Darken(box.BorderBottomColor) :
box.BorderBottomColor;
break;
default:
throw new ArgumentOutOfRangeException("border");
}
}
/// <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;
}
}
}
internal void PaintBorder(CssBox box, CssSide border, Color solidColor, RectangleF rect)
{
PointF[] borderPoints = new PointF[4];
BorderPaintHelper.DrawBorder(solidColor, border, borderPoints, this.canvas, box, rect);
}
/// <summary>
/// Draw simple border.
/// </summary>
/// <param name="border">Desired border</param>
/// <param name="g">the device to draw to</param>
/// <param name="box">Box which the border corresponds</param>
/// <param name="brush">the brush to use</param>
/// <param name="rectangle">the bounding rectangle to draw in</param>
/// <returns>Beveled border path, null if there is no rounded corners</returns>
public static void DrawBorder(Color color, CssSide border, PointF[] borderPts, Canvas g,
CssBox box, RectangleF rectangle)
{
SetInOutsetRectanglePoints(border, box, rectangle, true, true, borderPts);
g.FillPolygon(color, borderPts);
}
/// <summary>
/// Sets the value for the given side.
/// </summary>
/// <param name="side">The side to change.</param>
/// <param name="value">The value to apply.</param>
public void SetSide(CssSide side, CSSPrimitiveValue value)
{
switch (side)
{
case CssSide.Top:
Top = value;
break;
case CssSide.Right:
Right = value;
break;
case CssSide.Bottom:
Bottom = value;
break;
case CssSide.Left:
Left = value;
break;
}
}
/// <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;
}
}
}
internal void PaintBorder(CssBox box, CssSide border, Color solidColor, RectangleF rect)
{
BorderPaintHelper.DrawBorder(solidColor, border, _borderPoints, _drawBoard, box, rect);
}
/// <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)
{
GetBorderBorderDrawingInfo(box, borderSide, out CssBorderStyle style, out Color borderColor, out float actualBorderWidth);
DrawBoard g = p.InnerDrawBoard;
if (box.HasSomeRoundCorner)
{
using (Tools.BorrowVxs(out var v1))
{
RenderUtils.WriteRoundRect(v1, rect, 2, 2, 2, 2);//temp
Painter pp = g.GetPainter();
pp.FillStroke(v1, actualBorderWidth, borderColor);
}
}
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>
/// Set rectangle for inset/outset border as it need diagonal connection to other borders.
/// </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>
/// <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>
/// <returns>Beveled border path, null if there is no rounded corners</returns>
static void SetInOutsetRectanglePoints(CssSide border, CssBox b, RectangleF r, bool isLineStart, bool isLineEnd,
PointF[] _borderPts)
{
switch (border)
{
case CssSide.Top:
_borderPts[0] = new PointF(r.Left, r.Top);
_borderPts[1] = new PointF(r.Right, r.Top);
_borderPts[2] = new PointF(r.Right, r.Top + b.ActualBorderTopWidth);
_borderPts[3] = new PointF(r.Left, r.Top + b.ActualBorderTopWidth);
if (isLineEnd)
_borderPts[2].X -= b.ActualBorderRightWidth;
if (isLineStart)
_borderPts[3].X += b.ActualBorderLeftWidth;
break;
case CssSide.Right:
_borderPts[0] = new PointF(r.Right - b.ActualBorderRightWidth, r.Top + b.ActualBorderTopWidth);
_borderPts[1] = new PointF(r.Right, r.Top);
_borderPts[2] = new PointF(r.Right, r.Bottom);
_borderPts[3] = new PointF(r.Right - b.ActualBorderRightWidth, r.Bottom - b.ActualBorderBottomWidth);
break;
case CssSide.Bottom:
_borderPts[0] = new PointF(r.Left, r.Bottom - b.ActualBorderBottomWidth);
_borderPts[1] = new PointF(r.Right, r.Bottom - b.ActualBorderBottomWidth);
_borderPts[2] = new PointF(r.Right, r.Bottom);
_borderPts[3] = new PointF(r.Left, r.Bottom);
if (isLineStart)
_borderPts[0].X += b.ActualBorderLeftWidth;
if (isLineEnd)
_borderPts[1].X -= b.ActualBorderRightWidth;
break;
case CssSide.Left:
_borderPts[0] = new PointF(r.Left, r.Top);
_borderPts[1] = new PointF(r.Left + b.ActualBorderLeftWidth, r.Top + b.ActualBorderTopWidth);
_borderPts[2] = new PointF(r.Left + b.ActualBorderLeftWidth, r.Bottom - b.ActualBorderBottomWidth);
_borderPts[3] = new PointF(r.Left, r.Bottom);
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 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);
}
/// <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 static void DrawBorder(CssSide border, PointF[] borderPts, DrawBoard g, CssBox box, Color solidColor, RectangleF rectangle)
{
SetInOutsetRectanglePoints(border, box, rectangle, true, true, borderPts);
g.FillPolygon(solidColor, borderPts);
}
internal void PaintBorder(CssBox box, CssSide border, Color solidColor, RectangleF rect)
{
PointF[] borderPoints = new PointF[4];
BorderPaintHelper.DrawBorder(solidColor, border, borderPoints, this.canvas, box, rect);
}