/// <summary><inheritDoc/></summary>
public override void Draw(PdfCanvas canvas, float x1, float y1, float x2, float y2, Border.Side defaultSide
, float borderWidthBefore, float borderWidthAfter)
{
float initialGap = width * GAP_MODIFIER;
float dash = width * DASH_MODIFIER;
float dx = x2 - x1;
float dy = y2 - y1;
double borderLength = Math.Sqrt(dx * dx + dy * dy);
float adjustedGap = GetDotsGap(borderLength, initialGap + dash);
if (adjustedGap > dash)
{
adjustedGap -= dash;
}
float widthHalf = width / 2;
Border.Side borderSide = GetBorderSide(x1, y1, x2, y2, defaultSide);
switch (borderSide)
{
case Border.Side.TOP: {
y1 += widthHalf;
y2 += widthHalf;
break;
}
case Border.Side.RIGHT: {
x1 += widthHalf;
x2 += widthHalf;
break;
}
case Border.Side.BOTTOM: {
y1 -= widthHalf;
y2 -= widthHalf;
break;
}
case Border.Side.LEFT: {
x1 -= widthHalf;
x2 -= widthHalf;
break;
}
}
canvas.SaveState().SetLineWidth(width).SetStrokeColor(transparentColor.GetColor());
transparentColor.ApplyStrokeTransparency(canvas);
canvas.SetLineDash(dash, adjustedGap, dash + adjustedGap / 2).MoveTo(x1, y1).LineTo(x2, y2).Stroke().RestoreState
();
}
/// <summary><inheritDoc/></summary>
public override void Draw(PdfCanvas canvas, float x1, float y1, float x2, float y2, Border.Side defaultSide
, float borderWidthBefore, float borderWidthAfter)
{
float x3 = 0;
float y3 = 0;
float x4 = 0;
float y4 = 0;
Border.Side borderSide = GetBorderSide(x1, y1, x2, y2, defaultSide);
switch (borderSide)
{
case Border.Side.TOP: {
x3 = x2 + borderWidthAfter;
y3 = y2 + width;
x4 = x1 - borderWidthBefore;
y4 = y1 + width;
break;
}
case Border.Side.RIGHT: {
x3 = x2 + width;
y3 = y2 - borderWidthAfter;
x4 = x1 + width;
y4 = y1 + borderWidthBefore;
break;
}
case Border.Side.BOTTOM: {
x3 = x2 - borderWidthAfter;
y3 = y2 - width;
x4 = x1 + borderWidthBefore;
y4 = y1 - width;
break;
}
case Border.Side.LEFT: {
x3 = x2 - width;
y3 = y2 + borderWidthAfter;
x4 = x1 - width;
y4 = y1 - borderWidthBefore;
break;
}
}
canvas.SaveState().SetFillColor(transparentColor.GetColor());
transparentColor.ApplyFillTransparency(canvas);
canvas.MoveTo(x1, y1).LineTo(x2, y2).LineTo(x3, y3).LineTo(x4, y4).LineTo(x1, y1).Fill().RestoreState();
}
/// <summary><inheritDoc/></summary>
protected internal override void SetOuterHalfColor(PdfCanvas canvas, Border.Side side)
{
switch (side)
{
case Border.Side.TOP:
case Border.Side.LEFT: {
canvas.SetFillColor(GetDarkerColor());
break;
}
case Border.Side.BOTTOM:
case Border.Side.RIGHT: {
canvas.SetFillColor(GetColor());
break;
}
}
}
public override void Draw(PdfCanvas canvas, float x1, float y1, float x2, float y2, float borderWidthBefore
, float borderWidthAfter)
{
float x3 = 0;
float y3 = 0;
float x4 = 0;
float y4 = 0;
Border.Side borderSide = GetBorderSide(x1, y1, x2, y2);
switch (borderSide)
{
case Border.Side.TOP: {
x3 = x2 + borderWidthAfter;
y3 = y2 + width;
x4 = x1 - borderWidthBefore;
y4 = y1 + width;
break;
}
case Border.Side.RIGHT: {
x3 = x2 + width;
y3 = y2 - borderWidthAfter;
x4 = x1 + width;
y4 = y1 + borderWidthBefore;
break;
}
case Border.Side.BOTTOM: {
x3 = x2 - borderWidthAfter;
y3 = y2 - width;
x4 = x1 + borderWidthBefore;
y4 = y1 - width;
break;
}
case Border.Side.LEFT: {
x3 = x2 - width;
y3 = y2 + borderWidthAfter;
x4 = x1 - width;
y4 = y1 - borderWidthBefore;
break;
}
}
canvas.SetFillColor(color);
canvas.MoveTo(x1, y1).LineTo(x2, y2).LineTo(x3, y3).LineTo(x4, y4).LineTo(x1, y1).Fill();
}
public override void Draw(PdfCanvas canvas, float x1, float y1, float x2, float y2, float borderWidthBefore
, float borderWidthAfter)
{
float initialGap = width * GAP_MODIFIER;
float dx = x2 - x1;
float dy = y2 - y1;
double borderLength = Math.Sqrt(dx * dx + dy * dy);
float adjustedGap = GetDotsGap(borderLength, initialGap + width);
if (adjustedGap > width)
{
adjustedGap -= width;
}
float widthHalf = width / 2;
Border.Side borderSide = GetBorderSide(x1, y1, x2, y2);
switch (borderSide)
{
case Border.Side.TOP: {
y1 += widthHalf;
y2 += widthHalf;
break;
}
case Border.Side.RIGHT: {
x1 += widthHalf;
x2 += widthHalf;
break;
}
case Border.Side.BOTTOM: {
y1 -= widthHalf;
y2 -= widthHalf;
break;
}
case Border.Side.LEFT: {
x1 -= widthHalf;
x2 -= widthHalf;
break;
}
}
canvas.SetLineWidth(width);
canvas.SetStrokeColor(color);
canvas.SetLineDash(width, adjustedGap, width + adjustedGap / 2).MoveTo(x1, y1).LineTo(x2, y2).Stroke();
}
/// <summary>Calculate adjusted starting points for discontinuous borders, given two opposing points (A and B) that define the bounding rectangle
/// </summary>
/// <param name="x1">x-coordinate of point A</param>
/// <param name="y1">y-ordinate of point A</param>
/// <param name="x2">x-coordinate of point B</param>
/// <param name="y2">y-ordinate of point B</param>
/// <param name="defaultSide">default side of the border used to determine the side given by points A and B</param>
/// <returns>float[] containing the adjusted starting points in the form {x1,y1,x2,y2}</returns>
protected internal virtual float[] GetStartingPointsForBorderSide(float x1, float y1, float x2, float y2,
Border.Side defaultSide)
{
float widthHalf = width / 2;
Border.Side borderSide = GetBorderSide(x1, y1, x2, y2, defaultSide);
switch (borderSide)
{
case Border.Side.TOP: {
y1 += widthHalf;
y2 += widthHalf;
break;
}
case Border.Side.RIGHT: {
x1 += widthHalf;
x2 += widthHalf;
break;
}
case Border.Side.BOTTOM: {
y1 -= widthHalf;
y2 -= widthHalf;
break;
}
case Border.Side.LEFT: {
x1 -= widthHalf;
x2 -= widthHalf;
break;
}
default: {
break;
}
}
return(new float[] { x1, y1, x2, y2 });
}
/// <summary><inheritDoc/></summary>
public override void DrawCellBorder(PdfCanvas canvas, float x1, float y1, float x2, float y2)
{
float thirdOfWidth = width / 3;
Border.Side borderSide = GetBorderSide(x1, y1, x2, y2);
switch (borderSide)
{
case Border.Side.TOP: {
y1 -= thirdOfWidth;
y2 = y1;
break;
}
case Border.Side.RIGHT: {
x1 -= thirdOfWidth;
x2 -= thirdOfWidth;
y1 += thirdOfWidth;
y2 -= thirdOfWidth;
break;
}
case Border.Side.BOTTOM: {
break;
}
case Border.Side.LEFT: {
break;
}
}
canvas.SaveState().SetLineWidth(thirdOfWidth).SetStrokeColor(color).MoveTo(x1, y1).LineTo(x2, y2).Stroke()
.RestoreState();
switch (borderSide)
{
case Border.Side.TOP: {
// x1 -= 2*thirdOfWidth;
y2 += 2 * thirdOfWidth;
y1 += 2 * thirdOfWidth;
break;
}
case Border.Side.RIGHT: {
x2 += 2 * thirdOfWidth;
x1 += 2 * thirdOfWidth;
// y1 -= 2*thirdOfWidth;
break;
}
case Border.Side.BOTTOM: {
x2 -= 2 * thirdOfWidth;
y2 -= 2 * thirdOfWidth;
x1 += 2 * thirdOfWidth;
y1 -= 2 * thirdOfWidth;
break;
}
case Border.Side.LEFT: {
y2 += 2 * thirdOfWidth;
x1 -= 2 * thirdOfWidth;
y1 -= 2 * thirdOfWidth;
break;
}
}
canvas.SaveState().SetLineWidth(thirdOfWidth).SetStrokeColor(color).MoveTo(x1, y1).LineTo(x2, y2).Stroke()
.RestoreState();
}
/// <summary><inheritDoc/></summary>
public override void DrawCellBorder(PdfCanvas canvas, float x1, float y1, float x2, float y2, Border.Side
defaultSide)
{
float initialGap = width * GAP_MODIFIER;
float dash = width * DASH_MODIFIER;
float dx = x2 - x1;
float dy = y2 - y1;
double borderLength = Math.Sqrt(dx * dx + dy * dy);
float adjustedGap = base.GetDotsGap(borderLength, initialGap + dash);
if (adjustedGap > dash)
{
adjustedGap -= dash;
}
canvas.SaveState().SetStrokeColor(transparentColor.GetColor());
transparentColor.ApplyStrokeTransparency(canvas);
canvas.SetLineDash(dash, adjustedGap, dash + adjustedGap / 2).SetLineWidth(width).MoveTo(x1, y1).LineTo(x2
, y2).Stroke().RestoreState();
}
/// <summary><inheritDoc/></summary>
public override void Draw(PdfCanvas canvas, float x1, float y1, float x2, float y2, float horizontalRadius1
, float verticalRadius1, float horizontalRadius2, float verticalRadius2, Border.Side defaultSide, float
borderWidthBefore, float borderWidthAfter)
{
float x3 = 0;
float y3 = 0;
float x4 = 0;
float y4 = 0;
float innerRadiusBefore;
float innerRadiusFirst;
float innerRadiusSecond;
float innerRadiusAfter;
Border.Side borderSide = GetBorderSide(x1, y1, x2, y2, defaultSide);
switch (borderSide)
{
case Border.Side.TOP: {
x3 = x2 + borderWidthAfter;
y3 = y2 + width;
x4 = x1 - borderWidthBefore;
y4 = y1 + width;
innerRadiusBefore = Math.Max(0, horizontalRadius1 - borderWidthBefore);
innerRadiusFirst = Math.Max(0, verticalRadius1 - width);
innerRadiusSecond = Math.Max(0, verticalRadius2 - width);
innerRadiusAfter = Math.Max(0, horizontalRadius2 - borderWidthAfter);
if (innerRadiusBefore > innerRadiusFirst)
{
x1 = (float)GetIntersectionPoint(new Point(x1, y1), new Point(x4, y4), new Point(x4, y1 - innerRadiusFirst
), new Point(x1 + innerRadiusBefore, y1 - innerRadiusFirst)).GetX();
y1 -= innerRadiusFirst;
}
else
{
if (0 != innerRadiusBefore && 0 != innerRadiusFirst)
{
y1 = (float)GetIntersectionPoint(new Point(x1, y1), new Point(x4, y4), new Point(x1 + innerRadiusBefore, y1
), new Point(x1 + innerRadiusBefore, y1 - innerRadiusFirst)).GetY();
x1 += innerRadiusBefore;
}
}
if (innerRadiusAfter > innerRadiusSecond)
{
x2 = (float)GetIntersectionPoint(new Point(x2, y2), new Point(x3, y3), new Point(x2, y2 - innerRadiusSecond
), new Point(x2 - innerRadiusAfter, y2 - innerRadiusSecond)).GetX();
y2 -= innerRadiusSecond;
}
else
{
if (0 != innerRadiusAfter && 0 != innerRadiusSecond)
{
y2 = (float)GetIntersectionPoint(new Point(x2, y2), new Point(x3, y3), new Point(x2 - innerRadiusAfter, y2
), new Point(x2 - innerRadiusAfter, y2 - innerRadiusSecond)).GetY();
x2 -= innerRadiusAfter;
}
}
break;
}
case Border.Side.RIGHT: {
x3 = x2 + width;
y3 = y2 - borderWidthAfter;
x4 = x1 + width;
y4 = y1 + borderWidthBefore;
innerRadiusBefore = Math.Max(0, verticalRadius1 - borderWidthBefore);
innerRadiusFirst = Math.Max(0, horizontalRadius1 - width);
innerRadiusSecond = Math.Max(0, horizontalRadius2 - width);
innerRadiusAfter = Math.Max(0, verticalRadius2 - borderWidthAfter);
if (innerRadiusFirst > innerRadiusBefore)
{
x1 = (float)GetIntersectionPoint(new Point(x1, y1), new Point(x4, y4), new Point(x1, y1 - innerRadiusBefore
), new Point(x1 - innerRadiusFirst, y1 - innerRadiusBefore)).GetX();
y1 -= innerRadiusBefore;
}
else
{
if (0 != innerRadiusBefore && 0 != innerRadiusFirst)
{
y1 = (float)GetIntersectionPoint(new Point(x1, y1), new Point(x4, y4), new Point(x1 - innerRadiusFirst, y1
), new Point(x1 - innerRadiusFirst, y1 - innerRadiusBefore)).GetY();
x1 -= innerRadiusFirst;
}
}
if (innerRadiusAfter > innerRadiusSecond)
{
y2 = (float)GetIntersectionPoint(new Point(x2, y2), new Point(x3, y3), new Point(x2 - innerRadiusSecond, y2
), new Point(x2 - innerRadiusSecond, y2 + innerRadiusAfter)).GetY();
x2 -= innerRadiusSecond;
}
else
{
if (0 != innerRadiusAfter && 0 != innerRadiusSecond)
{
x2 = (float)GetIntersectionPoint(new Point(x2, y2), new Point(x3, y3), new Point(x2, y2 + innerRadiusAfter
), new Point(x2 - innerRadiusSecond, y2 + innerRadiusAfter)).GetX();
y2 += innerRadiusAfter;
}
}
break;
}
case Border.Side.BOTTOM: {
x3 = x2 - borderWidthAfter;
y3 = y2 - width;
x4 = x1 + borderWidthBefore;
y4 = y1 - width;
innerRadiusBefore = Math.Max(0, horizontalRadius1 - borderWidthBefore);
innerRadiusFirst = Math.Max(0, verticalRadius1 - width);
innerRadiusSecond = Math.Max(0, verticalRadius2 - width);
innerRadiusAfter = Math.Max(0, horizontalRadius2 - borderWidthAfter);
if (innerRadiusFirst > innerRadiusBefore)
{
y1 = (float)GetIntersectionPoint(new Point(x1, y1), new Point(x4, y4), new Point(x1 - innerRadiusBefore, y1
), new Point(x1 - innerRadiusBefore, y1 + innerRadiusFirst)).GetY();
x1 -= innerRadiusBefore;
}
else
{
if (0 != innerRadiusBefore && 0 != innerRadiusFirst)
{
x1 = (float)GetIntersectionPoint(new Point(x1, y1), new Point(x4, y4), new Point(x1, y1 + innerRadiusFirst
), new Point(x1 - innerRadiusBefore, y1 + innerRadiusFirst)).GetX();
y1 += innerRadiusFirst;
}
}
if (innerRadiusAfter > innerRadiusSecond)
{
x2 = (float)GetIntersectionPoint(new Point(x2, y2), new Point(x3, y3), new Point(x2, y2 + innerRadiusSecond
), new Point(x2 + innerRadiusAfter, y2 + innerRadiusSecond)).GetX();
y2 += innerRadiusSecond;
}
else
{
if (0 != innerRadiusAfter && 0 != innerRadiusSecond)
{
y2 = (float)GetIntersectionPoint(new Point(x2, y2), new Point(x3, y3), new Point(x2 + innerRadiusAfter, y2
), new Point(x2 + innerRadiusAfter, y2 + innerRadiusSecond)).GetY();
x2 += innerRadiusAfter;
}
}
break;
}
case Border.Side.LEFT: {
x3 = x2 - width;
y3 = y2 + borderWidthAfter;
x4 = x1 - width;
y4 = y1 - borderWidthBefore;
innerRadiusBefore = Math.Max(0, verticalRadius1 - borderWidthBefore);
innerRadiusFirst = Math.Max(0, horizontalRadius1 - width);
innerRadiusSecond = Math.Max(0, horizontalRadius2 - width);
innerRadiusAfter = Math.Max(0, verticalRadius2 - borderWidthAfter);
if (innerRadiusFirst > innerRadiusBefore)
{
x1 = (float)GetIntersectionPoint(new Point(x1, y1), new Point(x4, y4), new Point(x1, y1 + innerRadiusBefore
), new Point(x1 + innerRadiusFirst, y1 + innerRadiusBefore)).GetX();
y1 += innerRadiusBefore;
}
else
{
if (0 != innerRadiusBefore && 0 != innerRadiusFirst)
{
y1 = (float)GetIntersectionPoint(new Point(x1, y1), new Point(x4, y4), new Point(x1 + innerRadiusFirst, y1
), new Point(x1 + innerRadiusFirst, y1 + innerRadiusBefore)).GetY();
x1 += innerRadiusFirst;
}
}
if (innerRadiusAfter > innerRadiusSecond)
{
y2 = (float)GetIntersectionPoint(new Point(x2, y2), new Point(x3, y3), new Point(x2 + innerRadiusSecond, y2
), new Point(x2 + innerRadiusSecond, y2 - innerRadiusAfter)).GetY();
x2 += innerRadiusSecond;
}
else
{
if (0 != innerRadiusAfter && 0 != innerRadiusSecond)
{
x2 = (float)GetIntersectionPoint(new Point(x2, y2), new Point(x3, y3), new Point(x2, y2 - innerRadiusAfter
), new Point(x2 + innerRadiusSecond, y2 - innerRadiusAfter)).GetX();
y2 -= innerRadiusAfter;
}
}
break;
}
}
canvas.SaveState().SetFillColor(transparentColor.GetColor());
transparentColor.ApplyFillTransparency(canvas);
canvas.MoveTo(x1, y1).LineTo(x2, y2).LineTo(x3, y3).LineTo(x4, y4).LineTo(x1, y1).Fill().RestoreState();
}
/// <summary><inheritDoc/></summary>
public override void DrawCellBorder(PdfCanvas canvas, float x1, float y1, float x2, float y2, Border.Side
defaultSide)
{
canvas.SaveState().SetStrokeColor(transparentColor.GetColor());
transparentColor.ApplyStrokeTransparency(canvas);
canvas.SetLineWidth(width).MoveTo(x1, y1).LineTo(x2, y2).Stroke().RestoreState();
}
/// <summary><inheritDoc/></summary>
public override void DrawCellBorder(PdfCanvas canvas, float x1, float y1, float x2, float y2, Border.Side
defaultSide)
{
float initialGap = width * GAP_MODIFIER;
float dx = x2 - x1;
float dy = y2 - y1;
double borderLength = Math.Sqrt(dx * dx + dy * dy);
float adjustedGap = GetDotsGap(borderLength, initialGap);
bool isHorizontal = false;
if (Math.Abs(y2 - y1) < 0.0005f)
{
isHorizontal = true;
}
if (isHorizontal)
{
x2 -= width;
}
canvas.SaveState();
canvas.SetStrokeColor(transparentColor.GetColor());
transparentColor.ApplyStrokeTransparency(canvas);
canvas.SetLineWidth(width);
canvas.SetLineCapStyle(PdfCanvasConstants.LineCapStyle.ROUND);
canvas.SetLineDash(0, adjustedGap, adjustedGap / 2).MoveTo(x1, y1).LineTo(x2, y2).Stroke();
canvas.RestoreState();
}
/// <summary><inheritDoc/></summary>
public override void Draw(PdfCanvas canvas, float x1, float y1, float x2, float y2, float horizontalRadius1
, float verticalRadius1, float horizontalRadius2, float verticalRadius2, Border.Side defaultSide, float
borderWidthBefore, float borderWidthAfter)
{
float curv = 0.447f;
float initialGap = width * GAP_MODIFIER;
float dx = x2 - x1;
float dy = y2 - y1;
double borderLength = Math.Sqrt(dx * dx + dy * dy);
float adjustedGap = GetDotsGap(borderLength, initialGap);
// Points (x0, y0) and (x3, y3) are used to produce Bezier curve
float x0 = x1;
float y0 = y1;
float x3 = x2;
float y3 = y2;
float innerRadiusBefore;
float innerRadiusFirst;
float innerRadiusSecond;
float innerRadiusAfter;
float widthHalf = width / 2;
canvas.SaveState().SetStrokeColor(transparentColor.GetColor());
transparentColor.ApplyStrokeTransparency(canvas);
canvas.SetLineWidth(width).SetLineCapStyle(PdfCanvasConstants.LineCapStyle.ROUND).SetLineDash(0, adjustedGap
, adjustedGap / 2);
Point clipPoint1;
Point clipPoint2;
Point clipPoint;
Border.Side borderSide = GetBorderSide(x1, y1, x2, y2, defaultSide);
switch (borderSide)
{
case Border.Side.TOP: {
innerRadiusBefore = Math.Max(0, horizontalRadius1 - borderWidthBefore);
innerRadiusFirst = Math.Max(0, verticalRadius1 - width);
innerRadiusSecond = Math.Max(0, verticalRadius2 - width);
innerRadiusAfter = Math.Max(0, horizontalRadius2 - borderWidthAfter);
x0 -= borderWidthBefore / 2;
y0 -= innerRadiusFirst;
x3 += borderWidthAfter / 2;
y3 -= innerRadiusSecond;
clipPoint1 = GetIntersectionPoint(new Point(x1 - borderWidthBefore, y1 + width), new Point(x1, y1), new Point
(x0, y0), new Point(x0 + 10, y0));
clipPoint2 = GetIntersectionPoint(new Point(x2 + borderWidthAfter, y2 + width), new Point(x2, y2), new Point
(x3, y3), new Point(x3 - 10, y3));
if (clipPoint1.x > clipPoint2.x)
{
clipPoint = GetIntersectionPoint(new Point(x1 - borderWidthBefore, y1 + width), clipPoint1, clipPoint2, new
Point(x2 + borderWidthAfter, y2 + width));
canvas.MoveTo(x1 - borderWidthBefore, y1 + width).LineTo(clipPoint.x, clipPoint.y).LineTo(x2 + borderWidthAfter
, y2 + width).LineTo(x1 - borderWidthBefore, y1 + width);
}
else
{
canvas.MoveTo(x1 - borderWidthBefore, y1 + width).LineTo(clipPoint1.x, clipPoint1.y).LineTo(clipPoint2.x,
clipPoint2.y).LineTo(x2 + borderWidthAfter, y2 + width).LineTo(x1 - borderWidthBefore, y1 + width);
}
canvas.Clip().NewPath();
x1 += innerRadiusBefore;
y1 += widthHalf;
x2 -= innerRadiusAfter;
y2 += widthHalf;
canvas.MoveTo(x0, y0).CurveTo(x0, y0 + innerRadiusFirst * curv, x1 - innerRadiusBefore * curv, y1, x1, y1)
.LineTo(x2, y2).CurveTo(x2 + innerRadiusAfter * curv, y2, x3, y3 + innerRadiusSecond * curv, x3, y3);
break;
}
case Border.Side.RIGHT: {
innerRadiusBefore = Math.Max(0, verticalRadius1 - borderWidthBefore);
innerRadiusFirst = Math.Max(0, horizontalRadius1 - width);
innerRadiusSecond = Math.Max(0, horizontalRadius2 - width);
innerRadiusAfter = Math.Max(0, verticalRadius2 - borderWidthAfter);
x0 -= innerRadiusFirst;
y0 += borderWidthBefore / 2;
x3 -= innerRadiusSecond;
y3 -= borderWidthAfter;
clipPoint1 = GetIntersectionPoint(new Point(x1 + width, y1 + borderWidthBefore), new Point(x1, y1), new Point
(x0, y0), new Point(x0, y0 - 10));
clipPoint2 = GetIntersectionPoint(new Point(x2 + width, y2 - borderWidthAfter), new Point(x2, y2), new Point
(x3, y3), new Point(x3, y3 - 10));
if (clipPoint1.y < clipPoint2.y)
{
clipPoint = GetIntersectionPoint(new Point(x1 + width, y1 + borderWidthBefore), clipPoint1, clipPoint2, new
Point(x2 + width, y2 - borderWidthAfter));
canvas.MoveTo(x1 + width, y1 + borderWidthBefore).LineTo(clipPoint.x, clipPoint.y).LineTo(x2 + width, y2 -
borderWidthAfter).LineTo(x1 + width, y1 + borderWidthBefore).Clip().NewPath();
}
else
{
canvas.MoveTo(x1 + width, y1 + borderWidthBefore).LineTo(clipPoint1.x, clipPoint1.y).LineTo(clipPoint2.x,
clipPoint2.y).LineTo(x2 + width, y2 - borderWidthAfter).LineTo(x1 + width, y1 + borderWidthBefore).Clip
().NewPath();
}
canvas.Clip().NewPath();
x1 += widthHalf;
y1 -= innerRadiusBefore;
x2 += widthHalf;
y2 += innerRadiusAfter;
canvas.MoveTo(x0, y0).CurveTo(x0 + innerRadiusFirst * curv, y0, x1, y1 + innerRadiusBefore * curv, x1, y1)
.LineTo(x2, y2).CurveTo(x2, y2 - innerRadiusAfter * curv, x3 + innerRadiusSecond * curv, y3, x3, y3);
break;
}
case Border.Side.BOTTOM: {
innerRadiusBefore = Math.Max(0, horizontalRadius1 - borderWidthBefore);
innerRadiusFirst = Math.Max(0, verticalRadius1 - width);
innerRadiusSecond = Math.Max(0, verticalRadius2 - width);
innerRadiusAfter = Math.Max(0, horizontalRadius2 - borderWidthAfter);
x0 += borderWidthBefore / 2;
y0 += innerRadiusFirst;
x3 -= borderWidthAfter / 2;
y3 += innerRadiusSecond;
clipPoint1 = GetIntersectionPoint(new Point(x1 + borderWidthBefore, y1 - width), new Point(x1, y1), new Point
(x0, y0), new Point(x0 - 10, y0));
clipPoint2 = GetIntersectionPoint(new Point(x2 - borderWidthAfter, y2 - width), new Point(x2, y2), new Point
(x3, y3), new Point(x3 + 10, y3));
if (clipPoint1.x < clipPoint2.x)
{
clipPoint = GetIntersectionPoint(new Point(x1 + borderWidthBefore, y1 - width), clipPoint1, clipPoint2, new
Point(x2 - borderWidthAfter, y2 - width));
canvas.MoveTo(x1 + borderWidthBefore, y1 - width).LineTo(clipPoint.x, clipPoint.y).LineTo(x2 - borderWidthAfter
, y2 - width).LineTo(x1 + borderWidthBefore, y1 - width);
}
else
{
canvas.MoveTo(x1 + borderWidthBefore, y1 - width).LineTo(clipPoint1.x, clipPoint1.y).LineTo(clipPoint2.x,
clipPoint2.y).LineTo(x2 - borderWidthAfter, y2 - width).LineTo(x1 + borderWidthBefore, y1 - width);
}
canvas.Clip().NewPath();
x1 -= innerRadiusBefore;
y1 -= widthHalf;
x2 += innerRadiusAfter;
y2 -= widthHalf;
canvas.MoveTo(x0, y0).CurveTo(x0, y0 - innerRadiusFirst * curv, x1 + innerRadiusBefore * curv, y1, x1, y1)
.LineTo(x2, y2).CurveTo(x2 - innerRadiusAfter * curv, y2, x3, y3 - innerRadiusSecond * curv, x3, y3);
break;
}
case Border.Side.LEFT: {
innerRadiusBefore = Math.Max(0, verticalRadius1 - borderWidthBefore);
innerRadiusFirst = Math.Max(0, horizontalRadius1 - width);
innerRadiusSecond = Math.Max(0, horizontalRadius2 - width);
innerRadiusAfter = Math.Max(0, verticalRadius2 - borderWidthAfter);
x0 += innerRadiusFirst;
y0 -= borderWidthBefore / 2;
x3 += innerRadiusSecond;
y3 += borderWidthAfter;
clipPoint1 = GetIntersectionPoint(new Point(x1 - width, y1 - borderWidthBefore), new Point(x1, y1), new Point
(x0, y0), new Point(x0, y0 + 10));
clipPoint2 = GetIntersectionPoint(new Point(x2 - width, y2 + borderWidthAfter), new Point(x2, y2), new Point
(x3, y3), new Point(x3, y3 + 10));
if (clipPoint1.y > clipPoint2.y)
{
clipPoint = GetIntersectionPoint(new Point(x1 - width, y1 - borderWidthBefore), clipPoint1, clipPoint2, new
Point(x2 - width, y2 + borderWidthAfter));
canvas.MoveTo(x1 - width, y1 - borderWidthBefore).LineTo(clipPoint.x, clipPoint.y).LineTo(x2 - width, y2 +
borderWidthAfter).LineTo(x1 - width, y1 - borderWidthBefore);
}
else
{
canvas.MoveTo(x1 - width, y1 - borderWidthBefore).LineTo(clipPoint1.x, clipPoint1.y).LineTo(clipPoint2.x,
clipPoint2.y).LineTo(x2 - width, y2 + borderWidthAfter).LineTo(x1 - width, y1 - borderWidthBefore);
}
canvas.Clip().NewPath();
x1 -= widthHalf;
y1 += innerRadiusBefore;
x2 -= widthHalf;
y2 -= innerRadiusAfter;
canvas.MoveTo(x0, y0).CurveTo(x0 - innerRadiusFirst * curv, y0, x1, y1 - innerRadiusBefore * curv, x1, y1)
.LineTo(x2, y2).CurveTo(x2, y2 + innerRadiusAfter * curv, x3 - innerRadiusSecond * curv, y3, x3, y3);
break;
}
}
canvas.Stroke().RestoreState();
}
protected internal abstract void SetOuterHalfColor(PdfCanvas canvas, Border.Side side);
/// <summary>
/// All borders are supposed to be drawn in such way, that inner content of the element is on the right from the
/// drawing direction.
/// </summary>
/// <remarks>
/// All borders are supposed to be drawn in such way, that inner content of the element is on the right from the
/// drawing direction. Borders are drawn in this order: top, right, bottom, left.
/// <para />
/// Given points specify the line which lies on the border of the content area,
/// therefore the border itself should be drawn to the left from the drawing direction.
/// <para />
/// <c>borderWidthBefore</c> and <c>borderWidthAfter</c> parameters are used to
/// define the widths of the borders that are before and after the current border, e.g. for
/// the bottom border, <c>borderWidthBefore</c> specifies width of the right border and
/// <c>borderWidthAfter</c> - width of the left border. Those width are used to handle areas
/// of border joins.
/// <para />
/// <c>horizontalRadius1</c>, <c>verticalRadius1</c>, <c>horizontalRadius2</c>
/// and <c>verticalRadius2</c> are used to draw rounded borders.
/// </remarks>
/// <param name="canvas">PdfCanvas to be written to</param>
/// <param name="x1">x coordinate of the beginning point of the element side, that should be bordered</param>
/// <param name="y1">y coordinate of the beginning point of the element side, that should be bordered</param>
/// <param name="x2">x coordinate of the ending point of the element side, that should be bordered</param>
/// <param name="y2">y coordinate of the ending point of the element side, that should be bordered</param>
/// <param name="horizontalRadius1">defines the horizontal radius of the border's first corner</param>
/// <param name="verticalRadius1">defines the vertical radius of the border's first corner</param>
/// <param name="horizontalRadius2">defines the horizontal radius of the border's second corner</param>
/// <param name="verticalRadius2">defines the vertical radius of the border's second corner</param>
/// <param name="defaultSide">
/// the
/// <see cref="Side"/>
/// , that we will fallback to, if it cannot be determined by border coordinates
/// </param>
/// <param name="borderWidthBefore">defines width of the border that is before the current one</param>
/// <param name="borderWidthAfter">defines width of the border that is after the current one</param>
public virtual void Draw(PdfCanvas canvas, float x1, float y1, float x2, float y2, float horizontalRadius1
, float verticalRadius1, float horizontalRadius2, float verticalRadius2, Border.Side defaultSide, float
borderWidthBefore, float borderWidthAfter)
{
ILog logger = LogManager.GetLogger(typeof(iText.Layout.Borders.Border));
logger.Warn(MessageFormatUtil.Format(iText.IO.LogMessageConstant.METHOD_IS_NOT_IMPLEMENTED_BY_DEFAULT_OTHER_METHOD_WILL_BE_USED
, "Border#draw(PdfCanvas, float, float, float, float, float, float, float, float, Side, float, float",
"Border#draw(PdfCanvas, float, float, float, float, Side, float, float)"));
Draw(canvas, x1, y1, x2, y2, defaultSide, borderWidthBefore, borderWidthAfter);
}
/// <summary>
/// All borders are supposed to be drawn in such way, that inner content of the element is on the right from the
/// drawing direction.
/// </summary>
/// <remarks>
/// All borders are supposed to be drawn in such way, that inner content of the element is on the right from the
/// drawing direction. Borders are drawn in this order: top, right, bottom, left.
/// <para />
/// Given points specify the line which lies on the border of the content area,
/// therefore the border itself should be drawn to the left from the drawing direction.
/// <para />
/// <c>borderWidthBefore</c> and <c>borderWidthAfter</c> parameters are used to
/// define the widths of the borders that are before and after the current border, e.g. for
/// the bottom border, <c>borderWidthBefore</c> specifies width of the right border and
/// <c>borderWidthAfter</c> - width of the left border. Those width are used to handle areas
/// of border joins.
/// </remarks>
/// <param name="canvas">PdfCanvas to be written to</param>
/// <param name="x1">x coordinate of the beginning point of the element side, that should be bordered</param>
/// <param name="y1">y coordinate of the beginning point of the element side, that should be bordered</param>
/// <param name="x2">x coordinate of the ending point of the element side, that should be bordered</param>
/// <param name="y2">y coordinate of the ending point of the element side, that should be bordered</param>
/// <param name="defaultSide">
/// the
/// <see cref="Side"/>
/// , that we will fallback to, if it cannot be determined by border coordinates
/// </param>
/// <param name="borderWidthBefore">defines width of the border that is before the current one</param>
/// <param name="borderWidthAfter">defines width of the border that is after the current one</param>
public abstract void Draw(PdfCanvas canvas, float x1, float y1, float x2, float y2, Border.Side defaultSide
, float borderWidthBefore, float borderWidthAfter);
/// <summary><inheritDoc/></summary>
public override void Draw(PdfCanvas canvas, float x1, float y1, float x2, float y2, float borderWidthBefore
, float borderWidthAfter)
{
float x3 = 0;
float y3 = 0;
float x4 = 0;
float y4 = 0;
float thirdOfWidth = width / 3;
float thirdOfWidthBefore = borderWidthBefore / 3;
float thirdOfWidthAfter = borderWidthAfter / 3;
Border.Side borderSide = GetBorderSide(x1, y1, x2, y2);
switch (borderSide)
{
case Border.Side.TOP: {
x3 = x2 + thirdOfWidthAfter;
y3 = y2 + thirdOfWidth;
x4 = x1 - thirdOfWidthBefore;
y4 = y1 + thirdOfWidth;
break;
}
case Border.Side.RIGHT: {
x3 = x2 + thirdOfWidth;
y3 = y2 - thirdOfWidthAfter;
x4 = x1 + thirdOfWidth;
y4 = y1 + thirdOfWidthBefore;
break;
}
case Border.Side.BOTTOM: {
x3 = x2 - thirdOfWidthAfter;
y3 = y2 - thirdOfWidth;
x4 = x1 + thirdOfWidthBefore;
y4 = y1 - thirdOfWidth;
break;
}
case Border.Side.LEFT: {
x3 = x2 - thirdOfWidth;
y3 = y2 + thirdOfWidthAfter;
x4 = x1 - thirdOfWidth;
y4 = y1 - thirdOfWidthBefore;
break;
}
}
canvas.SetFillColor(color);
canvas.MoveTo(x1, y1).LineTo(x2, y2).LineTo(x3, y3).LineTo(x4, y4).LineTo(x1, y1).Fill();
switch (borderSide)
{
case Border.Side.TOP: {
x2 += 2 * thirdOfWidthAfter;
y2 += 2 * thirdOfWidth;
x3 += 2 * thirdOfWidthAfter;
y3 += 2 * thirdOfWidth;
x4 -= 2 * thirdOfWidthBefore;
y4 += 2 * thirdOfWidth;
x1 -= 2 * thirdOfWidthBefore;
y1 += 2 * thirdOfWidth;
break;
}
case Border.Side.RIGHT: {
x2 += 2 * thirdOfWidth;
y2 -= 2 * thirdOfWidthAfter;
x3 += 2 * thirdOfWidth;
y3 -= 2 * thirdOfWidthAfter;
x4 += 2 * thirdOfWidth;
y4 += 2 * thirdOfWidthBefore;
x1 += 2 * thirdOfWidth;
y1 += 2 * thirdOfWidthBefore;
break;
}
case Border.Side.BOTTOM: {
x2 -= 2 * thirdOfWidthAfter;
y2 -= 2 * thirdOfWidth;
x3 -= 2 * thirdOfWidthAfter;
y3 -= 2 * thirdOfWidth;
x4 += 2 * thirdOfWidthBefore;
y4 -= 2 * thirdOfWidth;
x1 += 2 * thirdOfWidthBefore;
y1 -= 2 * thirdOfWidth;
break;
}
case Border.Side.LEFT: {
x2 -= 2 * thirdOfWidth;
y2 += 2 * thirdOfWidthAfter;
x3 -= 2 * thirdOfWidth;
y3 += 2 * thirdOfWidthAfter;
x4 -= 2 * thirdOfWidth;
y4 -= 2 * thirdOfWidthBefore;
x1 -= 2 * thirdOfWidth;
y1 -= 2 * thirdOfWidthBefore;
break;
}
}
canvas.MoveTo(x1, y1).LineTo(x2, y2).LineTo(x3, y3).LineTo(x4, y4).LineTo(x1, y1).Fill();
}
/// <summary>Perform drawing operations to draw discontinuous borders.</summary>
/// <remarks>
/// Perform drawing operations to draw discontinuous borders. Used by
/// <see cref="DashedBorder"/>
/// ,
/// <see cref="DottedBorder"/>
/// and
/// <see cref="RoundDotsBorder"/>.
/// </remarks>
/// <param name="canvas">canvas to draw on</param>
/// <param name="boundingRectangle">rectangle representing the bounding box of the drawing operations</param>
/// <param name="horizontalRadii">the horizontal radius of the border's two corners</param>
/// <param name="verticalRadii">the vertical radius of the border's two corners</param>
/// <param name="defaultSide">
/// the
/// <see cref="Side"/>
/// , that we will fallback to, if it cannot be determined by border coordinates
/// </param>
/// <param name="borderWidthBefore">defines width of the border that is before the current one</param>
/// <param name="borderWidthAfter">defines width of the border that is after the current one</param>
protected internal virtual void DrawDiscontinuousBorders(PdfCanvas canvas, Rectangle boundingRectangle, float
[] horizontalRadii, float[] verticalRadii, Border.Side defaultSide, float borderWidthBefore, float borderWidthAfter
)
{
float x1 = boundingRectangle.GetX();
float y1 = boundingRectangle.GetY();
float x2 = boundingRectangle.GetRight();
float y2 = boundingRectangle.GetTop();
float horizontalRadius1 = horizontalRadii[0];
float horizontalRadius2 = horizontalRadii[1];
float verticalRadius1 = verticalRadii[0];
float verticalRadius2 = verticalRadii[1];
// Points (x0, y0) and (x3, y3) are used to produce Bezier curve
float x0 = boundingRectangle.GetX();
float y0 = boundingRectangle.GetY();
float x3 = boundingRectangle.GetRight();
float y3 = boundingRectangle.GetTop();
float innerRadiusBefore;
float innerRadiusFirst;
float innerRadiusSecond;
float innerRadiusAfter;
float widthHalf = width / 2;
Point clipPoint1;
Point clipPoint2;
Point clipPoint;
Border.Side borderSide = GetBorderSide(x1, y1, x2, y2, defaultSide);
switch (borderSide)
{
case Border.Side.TOP: {
innerRadiusBefore = Math.Max(0, horizontalRadius1 - borderWidthBefore);
innerRadiusFirst = Math.Max(0, verticalRadius1 - width);
innerRadiusSecond = Math.Max(0, verticalRadius2 - width);
innerRadiusAfter = Math.Max(0, horizontalRadius2 - borderWidthAfter);
x0 -= borderWidthBefore / 2;
y0 -= innerRadiusFirst;
x3 += borderWidthAfter / 2;
y3 -= innerRadiusSecond;
clipPoint1 = GetIntersectionPoint(new Point(x1 - borderWidthBefore, y1 + width), new Point(x1, y1), new Point
(x0, y0), new Point(x0 + 10, y0));
clipPoint2 = GetIntersectionPoint(new Point(x2 + borderWidthAfter, y2 + width), new Point(x2, y2), new Point
(x3, y3), new Point(x3 - 10, y3));
if (clipPoint1.x > clipPoint2.x)
{
clipPoint = GetIntersectionPoint(new Point(x1 - borderWidthBefore, y1 + width), clipPoint1, clipPoint2, new
Point(x2 + borderWidthAfter, y2 + width));
canvas.MoveTo(x1 - borderWidthBefore, y1 + width).LineTo(clipPoint.x, clipPoint.y).LineTo(x2 + borderWidthAfter
, y2 + width).LineTo(x1 - borderWidthBefore, y1 + width);
}
else
{
canvas.MoveTo(x1 - borderWidthBefore, y1 + width).LineTo(clipPoint1.x, clipPoint1.y).LineTo(clipPoint2.x,
clipPoint2.y).LineTo(x2 + borderWidthAfter, y2 + width).LineTo(x1 - borderWidthBefore, y1 + width);
}
canvas.Clip().EndPath();
x1 += innerRadiusBefore;
y1 += widthHalf;
x2 -= innerRadiusAfter;
y2 += widthHalf;
canvas.MoveTo(x0, y0).CurveTo(x0, y0 + innerRadiusFirst * CURV, x1 - innerRadiusBefore * CURV, y1, x1, y1)
.LineTo(x2, y2).CurveTo(x2 + innerRadiusAfter * CURV, y2, x3, y3 + innerRadiusSecond * CURV, x3, y3);
break;
}
case Border.Side.RIGHT: {
innerRadiusBefore = Math.Max(0, verticalRadius1 - borderWidthBefore);
innerRadiusFirst = Math.Max(0, horizontalRadius1 - width);
innerRadiusSecond = Math.Max(0, horizontalRadius2 - width);
innerRadiusAfter = Math.Max(0, verticalRadius2 - borderWidthAfter);
x0 -= innerRadiusFirst;
y0 += borderWidthBefore / 2;
x3 -= innerRadiusSecond;
y3 -= borderWidthAfter / 2;
clipPoint1 = GetIntersectionPoint(new Point(x1 + width, y1 + borderWidthBefore), new Point(x1, y1), new Point
(x0, y0), new Point(x0, y0 - 10));
clipPoint2 = GetIntersectionPoint(new Point(x2 + width, y2 - borderWidthAfter), new Point(x2, y2), new Point
(x3, y3), new Point(x3, y3 - 10));
if (clipPoint1.y < clipPoint2.y)
{
clipPoint = GetIntersectionPoint(new Point(x1 + width, y1 + borderWidthBefore), clipPoint1, clipPoint2, new
Point(x2 + width, y2 - borderWidthAfter));
canvas.MoveTo(x1 + width, y1 + borderWidthBefore).LineTo(clipPoint.x, clipPoint.y).LineTo(x2 + width, y2 -
borderWidthAfter).LineTo(x1 + width, y1 + borderWidthBefore).Clip().EndPath();
}
else
{
canvas.MoveTo(x1 + width, y1 + borderWidthBefore).LineTo(clipPoint1.x, clipPoint1.y).LineTo(clipPoint2.x,
clipPoint2.y).LineTo(x2 + width, y2 - borderWidthAfter).LineTo(x1 + width, y1 + borderWidthBefore).Clip
().EndPath();
}
canvas.Clip().EndPath();
x1 += widthHalf;
y1 -= innerRadiusBefore;
x2 += widthHalf;
y2 += innerRadiusAfter;
canvas.MoveTo(x0, y0).CurveTo(x0 + innerRadiusFirst * CURV, y0, x1, y1 + innerRadiusBefore * CURV, x1, y1)
.LineTo(x2, y2).CurveTo(x2, y2 - innerRadiusAfter * CURV, x3 + innerRadiusSecond * CURV, y3, x3, y3);
break;
}
case Border.Side.BOTTOM: {
innerRadiusBefore = Math.Max(0, horizontalRadius1 - borderWidthBefore);
innerRadiusFirst = Math.Max(0, verticalRadius1 - width);
innerRadiusSecond = Math.Max(0, verticalRadius2 - width);
innerRadiusAfter = Math.Max(0, horizontalRadius2 - borderWidthAfter);
x0 += borderWidthBefore / 2;
y0 += innerRadiusFirst;
x3 -= borderWidthAfter / 2;
y3 += innerRadiusSecond;
clipPoint1 = GetIntersectionPoint(new Point(x1 + borderWidthBefore, y1 - width), new Point(x1, y1), new Point
(x0, y0), new Point(x0 - 10, y0));
clipPoint2 = GetIntersectionPoint(new Point(x2 - borderWidthAfter, y2 - width), new Point(x2, y2), new Point
(x3, y3), new Point(x3 + 10, y3));
if (clipPoint1.x < clipPoint2.x)
{
clipPoint = GetIntersectionPoint(new Point(x1 + borderWidthBefore, y1 - width), clipPoint1, clipPoint2, new
Point(x2 - borderWidthAfter, y2 - width));
canvas.MoveTo(x1 + borderWidthBefore, y1 - width).LineTo(clipPoint.x, clipPoint.y).LineTo(x2 - borderWidthAfter
, y2 - width).LineTo(x1 + borderWidthBefore, y1 - width);
}
else
{
canvas.MoveTo(x1 + borderWidthBefore, y1 - width).LineTo(clipPoint1.x, clipPoint1.y).LineTo(clipPoint2.x,
clipPoint2.y).LineTo(x2 - borderWidthAfter, y2 - width).LineTo(x1 + borderWidthBefore, y1 - width);
}
canvas.Clip().EndPath();
x1 -= innerRadiusBefore;
y1 -= widthHalf;
x2 += innerRadiusAfter;
y2 -= widthHalf;
canvas.MoveTo(x0, y0).CurveTo(x0, y0 - innerRadiusFirst * CURV, x1 + innerRadiusBefore * CURV, y1, x1, y1)
.LineTo(x2, y2).CurveTo(x2 - innerRadiusAfter * CURV, y2, x3, y3 - innerRadiusSecond * CURV, x3, y3);
break;
}
case Border.Side.LEFT: {
innerRadiusBefore = Math.Max(0, verticalRadius1 - borderWidthBefore);
innerRadiusFirst = Math.Max(0, horizontalRadius1 - width);
innerRadiusSecond = Math.Max(0, horizontalRadius2 - width);
innerRadiusAfter = Math.Max(0, verticalRadius2 - borderWidthAfter);
x0 += innerRadiusFirst;
y0 -= borderWidthBefore / 2;
x3 += innerRadiusSecond;
y3 += borderWidthAfter / 2;
clipPoint1 = GetIntersectionPoint(new Point(x1 - width, y1 - borderWidthBefore), new Point(x1, y1), new Point
(x0, y0), new Point(x0, y0 + 10));
clipPoint2 = GetIntersectionPoint(new Point(x2 - width, y2 + borderWidthAfter), new Point(x2, y2), new Point
(x3, y3), new Point(x3, y3 + 10));
if (clipPoint1.y > clipPoint2.y)
{
clipPoint = GetIntersectionPoint(new Point(x1 - width, y1 - borderWidthBefore), clipPoint1, clipPoint2, new
Point(x2 - width, y2 + borderWidthAfter));
canvas.MoveTo(x1 - width, y1 - borderWidthBefore).LineTo(clipPoint.x, clipPoint.y).LineTo(x2 - width, y2 +
borderWidthAfter).LineTo(x1 - width, y1 - borderWidthBefore);
}
else
{
canvas.MoveTo(x1 - width, y1 - borderWidthBefore).LineTo(clipPoint1.x, clipPoint1.y).LineTo(clipPoint2.x,
clipPoint2.y).LineTo(x2 - width, y2 + borderWidthAfter).LineTo(x1 - width, y1 - borderWidthBefore);
}
canvas.Clip().EndPath();
x1 -= widthHalf;
y1 += innerRadiusBefore;
x2 -= widthHalf;
y2 -= innerRadiusAfter;
canvas.MoveTo(x0, y0).CurveTo(x0 - innerRadiusFirst * CURV, y0, x1, y1 - innerRadiusBefore * CURV, x1, y1)
.LineTo(x2, y2).CurveTo(x2, y2 + innerRadiusAfter * CURV, x3 - innerRadiusSecond * CURV, y3, x3, y3);
break;
}
default: {
break;
}
}
canvas.Stroke().RestoreState();
}
/// <summary>
/// Returns the
/// <see cref="Side">side</see>
/// corresponded to the line between two points.
/// </summary>
/// <remarks>
/// Returns the
/// <see cref="Side">side</see>
/// corresponded to the line between two points.
/// Notice that we consider the rectangle traversal to be clockwise.
/// In case side couldn't be detected we will fallback to default side
/// </remarks>
/// <param name="x1">the abscissa of the left-bottom point</param>
/// <param name="y1">the ordinate of the left-bottom point</param>
/// <param name="x2">the abscissa of the right-top point</param>
/// <param name="y2">the ordinate of the right-top point</param>
/// <param name="defaultSide">the default side of border</param>
/// <returns>
/// the corresponded
/// <see cref="Side">side</see>
/// </returns>
protected internal virtual Border.Side GetBorderSide(float x1, float y1, float x2, float y2, Border.Side defaultSide
)
{
bool isLeft = false;
bool isRight = false;
if (Math.Abs(y2 - y1) > 0.0005f)
{
isLeft = y2 - y1 > 0;
isRight = y2 - y1 < 0;
}
bool isTop = false;
bool isBottom = false;
if (Math.Abs(x2 - x1) > 0.0005f)
{
isTop = x2 - x1 > 0;
isBottom = x2 - x1 < 0;
}
if (isTop)
{
return(isLeft ? Border.Side.LEFT : Border.Side.TOP);
}
else
{
if (isRight)
{
return(Border.Side.RIGHT);
}
else
{
if (isBottom)
{
return(Border.Side.BOTTOM);
}
else
{
if (isLeft)
{
return(Border.Side.LEFT);
}
}
}
}
return(defaultSide);
}
/// <summary>Draws the border of a cell.</summary>
/// <param name="canvas">PdfCanvas to be written to</param>
/// <param name="x1">x coordinate of the beginning point of the element side, that should be bordered</param>
/// <param name="y1">y coordinate of the beginning point of the element side, that should be bordered</param>
/// <param name="x2">x coordinate of the ending point of the element side, that should be bordered</param>
/// <param name="y2">y coordinate of the ending point of the element side, that should be bordered</param>
/// <param name="defaultSide">
/// the
/// <see cref="Side"/>
/// , that we will fallback to, if it cannot be determined by border coordinates
/// </param>
public abstract void DrawCellBorder(PdfCanvas canvas, float x1, float y1, float x2, float y2, Border.Side
defaultSide);
public override void Draw(PdfCanvas canvas, float x1, float y1, float x2, float y2, float horizontalRadius1
, float verticalRadius1, float horizontalRadius2, float verticalRadius2, Border.Side defaultSide, float
borderWidthBefore, float borderWidthAfter)
{
float initialGap = width * GAP_MODIFIER;
float dash = width * DASH_MODIFIER;
float dx = x2 - x1;
float dy = y2 - y1;
double borderLength = Math.Sqrt(dx * dx + dy * dy);
float adjustedGap = base.GetDotsGap(borderLength, initialGap + dash);
if (adjustedGap > dash)
{
adjustedGap -= dash;
}
canvas.SaveState().SetLineWidth(width).SetStrokeColor(transparentColor.GetColor());
transparentColor.ApplyStrokeTransparency(canvas);
canvas.SetLineDash(dash, adjustedGap, dash + adjustedGap / 2);
Rectangle boundingRectangle = new Rectangle(x1, y1, x2 - x1, y2 - y1);
float[] horizontalRadii = new float[] { horizontalRadius1, horizontalRadius2 };
float[] verticalRadii = new float[] { verticalRadius1, verticalRadius2 };
DrawDiscontinuousBorders(canvas, boundingRectangle, horizontalRadii, verticalRadii, defaultSide, borderWidthBefore
, borderWidthAfter);
}
public override void Draw(PdfCanvas canvas, float x1, float y1, float x2, float y2, float borderWidthBefore
, float borderWidthAfter)
{
float x3 = 0;
float y3 = 0;
float x4 = 0;
float y4 = 0;
float widthHalf = width / 2;
float halfOfWidthBefore = borderWidthBefore / 2;
float halfOfWidthAfter = borderWidthAfter / 2;
Border.Side borderSide = GetBorderSide(x1, y1, x2, y2);
switch (borderSide)
{
case Border.Side.TOP: {
x3 = x2 + halfOfWidthAfter;
y3 = y2 + widthHalf;
x4 = x1 - halfOfWidthBefore;
y4 = y1 + widthHalf;
break;
}
case Border.Side.RIGHT: {
x3 = x2 + widthHalf;
y3 = y2 - halfOfWidthAfter;
x4 = x1 + widthHalf;
y4 = y1 + halfOfWidthBefore;
break;
}
case Border.Side.BOTTOM: {
x3 = x2 - halfOfWidthAfter;
y3 = y2 - widthHalf;
x4 = x1 + halfOfWidthBefore;
y4 = y1 - widthHalf;
break;
}
case Border.Side.LEFT: {
x3 = x2 - widthHalf;
y3 = y2 + halfOfWidthAfter;
x4 = x1 - widthHalf;
y4 = y1 - halfOfWidthBefore;
break;
}
}
SetInnerHalfColor(canvas, borderSide);
canvas.MoveTo(x1, y1).LineTo(x2, y2).LineTo(x3, y3).LineTo(x4, y4).LineTo(x1, y1).Fill();
switch (borderSide)
{
case Border.Side.TOP: {
x2 += borderWidthAfter;
y2 += width;
x1 -= borderWidthBefore;
y1 += width;
break;
}
case Border.Side.RIGHT: {
x2 += width;
y2 -= borderWidthAfter;
x1 += width;
y1 += borderWidthBefore;
break;
}
case Border.Side.BOTTOM: {
x2 -= borderWidthAfter;
y2 -= width;
x1 += borderWidthBefore;
y1 -= width;
break;
}
case Border.Side.LEFT: {
x2 -= width;
y2 += borderWidthAfter;
x1 -= width;
y1 -= borderWidthBefore;
break;
}
}
SetOuterHalfColor(canvas, borderSide);
canvas.MoveTo(x1, y1).LineTo(x2, y2).LineTo(x3, y3).LineTo(x4, y4).LineTo(x1, y1).Fill();
}
/// <summary><inheritDoc/></summary>
public override void Draw(PdfCanvas canvas, float x1, float y1, float x2, float y2, Border.Side defaultSide
, float borderWidthBefore, float borderWidthAfter)
{
float initialGap = width * GAP_MODIFIER;
float dash = width * DASH_MODIFIER;
float dx = x2 - x1;
float dy = y2 - y1;
double borderLength = Math.Sqrt(dx * dx + dy * dy);
float adjustedGap = base.GetDotsGap(borderLength, initialGap + dash);
if (adjustedGap > dash)
{
adjustedGap -= dash;
}
float[] startingPoints = GetStartingPointsForBorderSide(x1, y1, x2, y2, defaultSide);
x1 = startingPoints[0];
y1 = startingPoints[1];
x2 = startingPoints[2];
y2 = startingPoints[3];
canvas.SaveState().SetLineWidth(width).SetStrokeColor(transparentColor.GetColor());
transparentColor.ApplyStrokeTransparency(canvas);
canvas.SetLineDash(dash, adjustedGap, dash + adjustedGap / 2).MoveTo(x1, y1).LineTo(x2, y2).Stroke().RestoreState
();
}
/// <summary>
/// All borders are supposed to be drawn in such way, that inner content of the element is on the right from the
/// drawing direction.
/// </summary>
/// <remarks>
/// All borders are supposed to be drawn in such way, that inner content of the element is on the right from the
/// drawing direction. Borders are drawn in this order: top, right, bottom, left.
/// <para />
/// Given points specify the line which lies on the border of the content area,
/// therefore the border itself should be drawn to the left from the drawing direction.
/// <para />
/// <c>borderWidthBefore</c> and <c>borderWidthAfter</c> parameters are used to
/// define the widths of the borders that are before and after the current border, e.g. for
/// the bottom border, <c>borderWidthBefore</c> specifies width of the right border and
/// <c>borderWidthAfter</c> - width of the left border. Those width are used to handle areas
/// of border joins.
/// <para />
/// <c>borderRadius</c> is used to draw rounded borders.
/// </remarks>
/// <param name="canvas">PdfCanvas to be written to</param>
/// <param name="x1">x coordinate of the beginning point of the element side, that should be bordered</param>
/// <param name="y1">y coordinate of the beginning point of the element side, that should be bordered</param>
/// <param name="x2">x coordinate of the ending point of the element side, that should be bordered</param>
/// <param name="y2">y coordinate of the ending point of the element side, that should be bordered</param>
/// <param name="borderRadius">defines the radius of the element's corners</param>
/// <param name="defaultSide">
/// the
/// <see cref="Side"/>
/// , that we will fallback to, if it cannot be determined by border coordinates
/// </param>
/// <param name="borderWidthBefore">defines width of the border that is before the current one</param>
/// <param name="borderWidthAfter">defines width of the border that is after the current one</param>
public virtual void Draw(PdfCanvas canvas, float x1, float y1, float x2, float y2, float borderRadius, Border.Side
defaultSide, float borderWidthBefore, float borderWidthAfter)
{
Draw(canvas, x1, y1, x2, y2, borderRadius, borderRadius, borderRadius, borderRadius, defaultSide, borderWidthBefore
, borderWidthAfter);
}