internal RectangleF GetScrollBarButtonRect(RectangleF scrollBarClientRect, ScrollBarButtonType buttonType)
{
RectangleF result = new RectangleF(scrollBarClientRect.Location, scrollBarClientRect.Size);
bool flag = (axis.AxisPosition == AxisPosition.Left || axis.AxisPosition == AxisPosition.Right) ? true : false;
SizeF size = new SizeF(1f, 1f);
size = GetRelativeSize(size);
SizeF relative = new SizeF(scrollBarClientRect.Width, scrollBarClientRect.Height);
relative = GetAbsoluteSize(relative);
if (flag)
{
relative.Height = relative.Width;
}
else
{
relative.Width = relative.Height;
}
relative = GetRelativeSize(relative);
result.Width = relative.Width;
result.Height = relative.Height;
if (flag)
{
result.X = scrollBarClientRect.X;
}
else
{
result.Y = scrollBarClientRect.Y;
}
switch (buttonType)
{
case ScrollBarButtonType.ThumbTracker:
case ScrollBarButtonType.LargeDecrement:
case ScrollBarButtonType.LargeIncrement:
if (flag)
{
double num = scrollBarClientRect.Height - (float)GetButtonsNumberAll() * relative.Height;
result.Height = (float)(GetDataViewPercentage() * (num / 100.0));
if (result.Height < size.Height * 6f)
{
result.Height = size.Height * 6f;
}
if (!axis.Reverse)
{
result.Y = scrollBarClientRect.Bottom - (float)GetButtonsNumberBottom() * relative.Height - result.Height;
result.Y -= (float)(GetDataViewPositionPercentage() * (num / 100.0));
if (result.Y < scrollBarClientRect.Y + (float)GetButtonsNumberTop() * relative.Height + ((GetButtonsNumberTop() == 0) ? 0f : size.Height))
{
result.Y = scrollBarClientRect.Y + (float)GetButtonsNumberTop() * relative.Height + ((GetButtonsNumberTop() == 0) ? 0f : size.Height);
}
}
else
{
result.Y = scrollBarClientRect.Top + (float)GetButtonsNumberTop() * relative.Height;
result.Y += (float)(GetDataViewPositionPercentage() * (num / 100.0));
if (result.Y + result.Height > scrollBarClientRect.Bottom - (float)GetButtonsNumberBottom() * relative.Height - ((GetButtonsNumberBottom() == 0) ? 0f : size.Height))
{
result.Y = scrollBarClientRect.Bottom - (float)GetButtonsNumberBottom() * relative.Height - result.Height - ((GetButtonsNumberBottom() == 0) ? 0f : size.Height);
}
}
}
else
{
double num2 = scrollBarClientRect.Width - (float)GetButtonsNumberAll() * relative.Width;
result.Width = (float)(GetDataViewPercentage() * (num2 / 100.0));
if (result.Width < size.Width * 6f)
{
result.Width = size.Width * 6f;
}
if (!axis.Reverse)
{
result.X = scrollBarClientRect.X + (float)GetButtonsNumberTop() * relative.Width;
result.X += (float)(GetDataViewPositionPercentage() * (num2 / 100.0));
if (result.X + result.Width > scrollBarClientRect.Right - (float)GetButtonsNumberBottom() * relative.Width - ((GetButtonsNumberBottom() == 0) ? 0f : size.Width))
{
result.X = scrollBarClientRect.Right - result.Width - (float)GetButtonsNumberBottom() * relative.Width - ((GetButtonsNumberBottom() == 0) ? 0f : size.Width);
}
}
else
{
result.X = scrollBarClientRect.Right - (float)GetButtonsNumberBottom() * relative.Width - ((GetButtonsNumberBottom() == 0) ? 0f : size.Width) - result.Width;
result.X -= (float)(GetDataViewPositionPercentage() * (num2 / 100.0));
if (result.X < scrollBarClientRect.X + (float)GetButtonsNumberTop() * relative.Width)
{
result.X = scrollBarClientRect.X + (float)GetButtonsNumberTop() * relative.Width;
}
}
}
switch (buttonType)
{
case ScrollBarButtonType.LargeDecrement:
if (flag)
{
result.Y = result.Bottom + size.Height;
result.Height = scrollBarClientRect.Bottom - (float)GetButtonsNumberBottom() * relative.Height - size.Height - result.Y;
}
else
{
float num4 = scrollBarClientRect.X + (float)GetButtonsNumberTop() * relative.Width + size.Width;
result.Width = result.X - num4;
result.X = num4;
}
break;
case ScrollBarButtonType.LargeIncrement:
if (flag)
{
float num3 = scrollBarClientRect.Y + (float)GetButtonsNumberTop() * relative.Height + size.Height;
result.Height = result.Y - num3;
result.Y = num3;
}
else
{
result.X = result.Right + size.Width;
result.Width = scrollBarClientRect.Right - (float)GetButtonsNumberBottom() * relative.Width - size.Height - result.X;
}
break;
}
break;
case ScrollBarButtonType.SmallDecrement:
if (scrollBarButtonStyle == ScrollBarButtonStyles.All || scrollBarButtonStyle == ScrollBarButtonStyles.SmallScroll)
{
if (flag)
{
result.Y = scrollBarClientRect.Bottom - result.Height;
break;
}
result.X = scrollBarClientRect.X + ((float)GetButtonsNumberTop() - 1f) * relative.Width;
result.X += ((GetButtonsNumberTop() == 1) ? 0f : size.Width);
break;
}
return(RectangleF.Empty);
case ScrollBarButtonType.SmallIncrement:
if (scrollBarButtonStyle == ScrollBarButtonStyles.All || scrollBarButtonStyle == ScrollBarButtonStyles.SmallScroll)
{
if (flag)
{
result.Y = scrollBarClientRect.Y + ((float)GetButtonsNumberTop() - 1f) * relative.Height;
result.Y += ((GetButtonsNumberTop() == 1) ? 0f : size.Height);
}
else
{
result.X = scrollBarClientRect.Right - result.Width;
}
break;
}
return(RectangleF.Empty);
case ScrollBarButtonType.ZoomReset:
if (scrollBarButtonStyle == ScrollBarButtonStyles.All || scrollBarButtonStyle == ScrollBarButtonStyles.ResetZoom)
{
if (flag)
{
result.Y = scrollBarClientRect.Y;
}
else
{
result.X = scrollBarClientRect.X;
}
break;
}
return(RectangleF.Empty);
}
return(result);
}
public RectangleF GetScrollBarButtonRect(RectangleF scrollBarClientRect, ScrollBarButtonType buttonType)
{
RectangleF result = new RectangleF(scrollBarClientRect.Location, scrollBarClientRect.Size);
bool flag = (byte)((this.axis.AxisPosition == AxisPosition.Left || this.axis.AxisPosition == AxisPosition.Right) ? 1 : 0) != 0;
SizeF size = new SizeF(1f, 1f);
size = this.GetRelativeSize(size);
SizeF sizeF = new SizeF(scrollBarClientRect.Width, scrollBarClientRect.Height);
sizeF = this.GetAbsoluteSize(sizeF);
if (flag)
{
sizeF.Height = sizeF.Width;
}
else
{
sizeF.Width = sizeF.Height;
}
sizeF = this.GetRelativeSize(sizeF);
result.Width = sizeF.Width;
result.Height = sizeF.Height;
if (flag)
{
result.X = scrollBarClientRect.X;
}
else
{
result.Y = scrollBarClientRect.Y;
}
switch (buttonType)
{
case ScrollBarButtonType.ThumbTracker:
case ScrollBarButtonType.LargeDecrement:
case ScrollBarButtonType.LargeIncrement:
if (flag)
{
double num = (double)(scrollBarClientRect.Height - (float)this.GetButtonsNumberAll() * sizeF.Height);
result.Height = (float)(this.GetDataViewPercentage() * (num / 100.0));
if (result.Height < size.Height * 6.0)
{
result.Height = (float)(size.Height * 6.0);
}
if (!this.axis.Reverse)
{
result.Y = scrollBarClientRect.Bottom - (float)this.GetButtonsNumberBottom() * sizeF.Height - result.Height;
result.Y -= (float)(this.GetDataViewPositionPercentage() * (num / 100.0));
if (result.Y < scrollBarClientRect.Y + (float)this.GetButtonsNumberTop() * sizeF.Height + ((this.GetButtonsNumberTop() == 0) ? 0.0 : size.Height))
{
result.Y = (float)(scrollBarClientRect.Y + (float)this.GetButtonsNumberTop() * sizeF.Height + ((this.GetButtonsNumberTop() == 0) ? 0.0 : size.Height));
}
}
else
{
result.Y = scrollBarClientRect.Top + (float)this.GetButtonsNumberTop() * sizeF.Height;
result.Y += (float)(this.GetDataViewPositionPercentage() * (num / 100.0));
if (result.Y + result.Height > scrollBarClientRect.Bottom - (float)this.GetButtonsNumberBottom() * sizeF.Height - ((this.GetButtonsNumberBottom() == 0) ? 0.0 : size.Height))
{
result.Y = (float)(scrollBarClientRect.Bottom - (float)this.GetButtonsNumberBottom() * sizeF.Height - result.Height - ((this.GetButtonsNumberBottom() == 0) ? 0.0 : size.Height));
}
}
}
else
{
double num2 = (double)(scrollBarClientRect.Width - (float)this.GetButtonsNumberAll() * sizeF.Width);
result.Width = (float)(this.GetDataViewPercentage() * (num2 / 100.0));
if (result.Width < size.Width * 6.0)
{
result.Width = (float)(size.Width * 6.0);
}
if (!this.axis.Reverse)
{
result.X = scrollBarClientRect.X + (float)this.GetButtonsNumberTop() * sizeF.Width;
result.X += (float)(this.GetDataViewPositionPercentage() * (num2 / 100.0));
if (result.X + result.Width > scrollBarClientRect.Right - (float)this.GetButtonsNumberBottom() * sizeF.Width - ((this.GetButtonsNumberBottom() == 0) ? 0.0 : size.Width))
{
result.X = (float)(scrollBarClientRect.Right - result.Width - (float)this.GetButtonsNumberBottom() * sizeF.Width - ((this.GetButtonsNumberBottom() == 0) ? 0.0 : size.Width));
}
}
else
{
result.X = (float)(scrollBarClientRect.Right - (float)this.GetButtonsNumberBottom() * sizeF.Width - ((this.GetButtonsNumberBottom() == 0) ? 0.0 : size.Width) - result.Width);
result.X -= (float)(this.GetDataViewPositionPercentage() * (num2 / 100.0));
if (result.X < scrollBarClientRect.X + (float)this.GetButtonsNumberTop() * sizeF.Width)
{
result.X = scrollBarClientRect.X + (float)this.GetButtonsNumberTop() * sizeF.Width;
}
}
}
switch (buttonType)
{
case ScrollBarButtonType.LargeDecrement:
if (flag)
{
result.Y = result.Bottom + size.Height;
result.Height = scrollBarClientRect.Bottom - (float)this.GetButtonsNumberBottom() * sizeF.Height - size.Height - result.Y;
}
else
{
float num4 = scrollBarClientRect.X + (float)this.GetButtonsNumberTop() * sizeF.Width + size.Width;
result.Width = result.X - num4;
result.X = num4;
}
break;
case ScrollBarButtonType.LargeIncrement:
if (flag)
{
float num3 = scrollBarClientRect.Y + (float)this.GetButtonsNumberTop() * sizeF.Height + size.Height;
result.Height = result.Y - num3;
result.Y = num3;
}
else
{
result.X = result.Right + size.Width;
result.Width = scrollBarClientRect.Right - (float)this.GetButtonsNumberBottom() * sizeF.Width - size.Height - result.X;
}
break;
}
break;
case ScrollBarButtonType.SmallDecrement:
if (this.scrollBarButtonStyle != ScrollBarButtonStyles.All && this.scrollBarButtonStyle != ScrollBarButtonStyles.SmallScroll)
{
result = RectangleF.Empty;
return(result);
}
if (flag)
{
result.Y = scrollBarClientRect.Bottom - result.Height;
}
else
{
result.X = (float)(scrollBarClientRect.X + ((float)this.GetButtonsNumberTop() - 1.0) * sizeF.Width);
result.X += (float)((this.GetButtonsNumberTop() == 1) ? 0.0 : size.Width);
}
break;
case ScrollBarButtonType.SmallIncrement:
if (this.scrollBarButtonStyle != ScrollBarButtonStyles.All && this.scrollBarButtonStyle != ScrollBarButtonStyles.SmallScroll)
{
result = RectangleF.Empty;
return(result);
}
if (flag)
{
result.Y = (float)(scrollBarClientRect.Y + ((float)this.GetButtonsNumberTop() - 1.0) * sizeF.Height);
result.Y += (float)((this.GetButtonsNumberTop() == 1) ? 0.0 : size.Height);
}
else
{
result.X = scrollBarClientRect.Right - result.Width;
}
break;
case ScrollBarButtonType.ZoomReset:
if (this.scrollBarButtonStyle != ScrollBarButtonStyles.All && this.scrollBarButtonStyle != ScrollBarButtonStyles.ResetZoom)
{
result = RectangleF.Empty;
return(result);
}
if (flag)
{
result.Y = scrollBarClientRect.Y;
}
else
{
result.X = scrollBarClientRect.X;
}
break;
}
return(result);
}
internal void PaintScrollBar3DButton(ChartGraphics graph, RectangleF buttonRect, bool pressedState, ScrollBarButtonType buttonType)
{
if (buttonType == ScrollBarButtonType.LargeIncrement || buttonType == ScrollBarButtonType.LargeDecrement)
{
return;
}
Color gradientColor = ChartGraphics.GetGradientColor(buttonCurrentColor, Color.Black, 0.5);
Color gradientColor2 = ChartGraphics.GetGradientColor(buttonCurrentColor, Color.Black, 0.8);
Color gradientColor3 = ChartGraphics.GetGradientColor(buttonCurrentColor, Color.White, 0.5);
graph.FillRectangleRel(buttonRect, buttonCurrentColor, ChartHatchStyle.None, "", ChartImageWrapMode.Tile, Color.Empty, ChartImageAlign.Center, GradientType.None, Color.Empty, gradientColor, pressedState ? 1 : 0, ChartDashStyle.Solid, Color.Empty, 0, PenAlignment.Outset);
bool flag = Size <= 12.0;
if (!pressedState)
{
SizeF size = new SizeF(1f, 1f);
size = graph.GetRelativeSize(size);
graph.DrawLineRel(flag ? gradientColor3 : buttonCurrentColor, 1, ChartDashStyle.Solid, new PointF(buttonRect.X, buttonRect.Bottom), new PointF(buttonRect.X, buttonRect.Top));
graph.DrawLineRel(flag ? gradientColor3 : buttonCurrentColor, 1, ChartDashStyle.Solid, new PointF(buttonRect.Left, buttonRect.Y), new PointF(buttonRect.Right, buttonRect.Y));
graph.DrawLineRel(flag ? gradientColor : gradientColor2, 1, ChartDashStyle.Solid, new PointF(buttonRect.Right, buttonRect.Bottom), new PointF(buttonRect.Right, buttonRect.Top));
graph.DrawLineRel(flag ? gradientColor : gradientColor2, 1, ChartDashStyle.Solid, new PointF(buttonRect.Left, buttonRect.Bottom), new PointF(buttonRect.Right, buttonRect.Bottom));
if (!flag)
{
graph.DrawLineRel(gradientColor, 1, ChartDashStyle.Solid, new PointF(buttonRect.Right - size.Width, buttonRect.Bottom - size.Height), new PointF(buttonRect.Right - size.Width, buttonRect.Top + size.Height));
graph.DrawLineRel(gradientColor, 1, ChartDashStyle.Solid, new PointF(buttonRect.Left + size.Width, buttonRect.Bottom - size.Height), new PointF(buttonRect.Right - size.Width, buttonRect.Bottom - size.Height));
graph.DrawLineRel(gradientColor3, 1, ChartDashStyle.Solid, new PointF(buttonRect.X + size.Width, buttonRect.Bottom - size.Height), new PointF(buttonRect.X + size.Width, buttonRect.Top + size.Height));
graph.DrawLineRel(gradientColor3, 1, ChartDashStyle.Solid, new PointF(buttonRect.Left + size.Width, buttonRect.Y + size.Height), new PointF(buttonRect.Right - size.Width, buttonRect.Y + size.Height));
}
}
bool flag2 = (axis.AxisPosition == AxisPosition.Left || axis.AxisPosition == AxisPosition.Right) ? true : false;
float num = flag ? 0.5f : 1f;
if (pressedState)
{
graph.TranslateTransform(num, num);
}
RectangleF absoluteRectangle = graph.GetAbsoluteRectangle(buttonRect);
float num2 = flag ? 2 : 3;
switch (buttonType)
{
case ScrollBarButtonType.SmallDecrement:
{
PointF[] array2 = new PointF[3];
if (flag2)
{
array2[0].X = absoluteRectangle.X + num2;
array2[0].Y = absoluteRectangle.Y + (num2 + 1f);
array2[1].X = absoluteRectangle.X + absoluteRectangle.Width / 2f;
array2[1].Y = absoluteRectangle.Bottom - num2;
array2[2].X = absoluteRectangle.Right - num2;
array2[2].Y = absoluteRectangle.Y + (num2 + 1f);
}
else
{
array2[0].X = absoluteRectangle.X + num2;
array2[0].Y = absoluteRectangle.Y + absoluteRectangle.Height / 2f;
array2[1].X = absoluteRectangle.Right - (num2 + 1f);
array2[1].Y = absoluteRectangle.Y + num2;
array2[2].X = absoluteRectangle.Right - (num2 + 1f);
array2[2].Y = absoluteRectangle.Bottom - num2;
}
graph.FillPolygon(new SolidBrush(lineCurrentColor), array2);
break;
}
case ScrollBarButtonType.SmallIncrement:
{
PointF[] array = new PointF[3];
if (flag2)
{
array[0].X = absoluteRectangle.X + num2;
array[0].Y = absoluteRectangle.Bottom - (num2 + 1f);
array[1].X = absoluteRectangle.X + absoluteRectangle.Width / 2f;
array[1].Y = absoluteRectangle.Y + num2;
array[2].X = absoluteRectangle.Right - num2;
array[2].Y = absoluteRectangle.Bottom - (num2 + 1f);
}
else
{
array[0].X = absoluteRectangle.Right - num2;
array[0].Y = absoluteRectangle.Y + absoluteRectangle.Height / 2f;
array[1].X = absoluteRectangle.X + (num2 + 1f);
array[1].Y = absoluteRectangle.Y + num2;
array[2].X = absoluteRectangle.X + (num2 + 1f);
array[2].Y = absoluteRectangle.Bottom - num2;
}
graph.FillPolygon(new SolidBrush(lineCurrentColor), array);
break;
}
case ScrollBarButtonType.ZoomReset:
{
Pen pen = new Pen(lineCurrentColor, 1f);
graph.DrawEllipse(pen, absoluteRectangle.X + num2 - 0.5f, absoluteRectangle.Y + num2 - 0.5f, absoluteRectangle.Width - 2f * num2, absoluteRectangle.Height - 2f * num2);
graph.DrawLine(pen, absoluteRectangle.X + num2 + 1.5f, absoluteRectangle.Y + absoluteRectangle.Height / 2f - 0.5f, absoluteRectangle.Right - num2 - 2.5f, absoluteRectangle.Y + absoluteRectangle.Height / 2f - 0.5f);
break;
}
}
if (pressedState)
{
graph.TranslateTransform(0f - num, 0f - num);
}
}
/// <summary>
/// Draws 3D button in the scroll bar
/// </summary>
/// <param name="graph">Chart graphics.</param>
/// <param name="buttonRect">Button position.</param>
/// <param name="pressedState">Indicates that button is pressed.</param>
/// <param name="buttonType">Button type to draw.</param>
internal void PaintScrollBar3DButton(
ChartGraphics graph,
SKRect buttonRect,
bool pressedState,
ScrollBarButtonType buttonType)
{
// Page Up/Down buttons do not require drawing
if (buttonType == ScrollBarButtonType.LargeIncrement || buttonType == ScrollBarButtonType.LargeDecrement)
{
return;
}
// Get 3 levels of colors for button drawing
var darkerColor = ChartGraphics.GetGradientColor(_buttonCurrentColor, SKColors.Black, 0.5);
var darkestColor = ChartGraphics.GetGradientColor(_buttonCurrentColor, SKColors.Black, 0.8);
var lighterColor = ChartGraphics.GetGradientColor(_buttonCurrentColor, SKColors.White, 0.5);
// Fill button rectangle background
graph.FillRectangleRel(
buttonRect,
_buttonCurrentColor,
ChartHatchStyle.None,
"",
ChartImageWrapMode.Tile,
SKColor.Empty,
ChartImageAlignmentStyle.Center,
GradientStyle.None,
SKColor.Empty,
darkerColor,
(pressedState) ? 1 : 0,
ChartDashStyle.Solid,
SKColor.Empty,
0,
PenAlignment.Outset);
// Check if 2 or 1 pixel border will be drawn (if size too small)
bool singlePixelBorder = Size <= 12;
// Draw 3D effect around the button when not pressed
if (!pressedState)
{
// Get relative size of 1 pixel
SKSize pixelRelativeSize = new(1, 1);
pixelRelativeSize = graph.GetRelativeSize(pixelRelativeSize);
// Draw top/left border with button color
graph.DrawLineRel(
(singlePixelBorder) ? lighterColor : _buttonCurrentColor, 1, ChartDashStyle.Solid,
new SKPoint(buttonRect.Left, buttonRect.Bottom),
new SKPoint(buttonRect.Left, buttonRect.Top));
graph.DrawLineRel(
(singlePixelBorder) ? lighterColor : _buttonCurrentColor, 1, ChartDashStyle.Solid,
new SKPoint(buttonRect.Left, buttonRect.Top),
new SKPoint(buttonRect.Right, buttonRect.Top));
// Draw right/bottom border with the darkest color
graph.DrawLineRel(
(singlePixelBorder) ? darkerColor : darkestColor, 1, ChartDashStyle.Solid,
new SKPoint(buttonRect.Right, buttonRect.Bottom),
new SKPoint(buttonRect.Right, buttonRect.Top));
graph.DrawLineRel(
(singlePixelBorder) ? darkerColor : darkestColor, 1, ChartDashStyle.Solid,
new SKPoint(buttonRect.Left, buttonRect.Bottom),
new SKPoint(buttonRect.Right, buttonRect.Bottom));
if (!singlePixelBorder)
{
// Draw right/bottom border (offset 1) with the dark color
graph.DrawLineRel(
darkerColor, 1, ChartDashStyle.Solid,
new SKPoint(buttonRect.Right - pixelRelativeSize.Width, buttonRect.Bottom - pixelRelativeSize.Height),
new SKPoint(buttonRect.Right - pixelRelativeSize.Width, buttonRect.Top + pixelRelativeSize.Height));
graph.DrawLineRel(
darkerColor, 1, ChartDashStyle.Solid,
new SKPoint(buttonRect.Left + pixelRelativeSize.Width, buttonRect.Bottom - pixelRelativeSize.Height),
new SKPoint(buttonRect.Right - pixelRelativeSize.Width, buttonRect.Bottom - pixelRelativeSize.Height));
// Draw top/left border (offset 1) with lighter color
graph.DrawLineRel(
lighterColor, 1, ChartDashStyle.Solid,
new SKPoint(buttonRect.Left + pixelRelativeSize.Width, buttonRect.Bottom - pixelRelativeSize.Height),
new SKPoint(buttonRect.Left + pixelRelativeSize.Width, buttonRect.Top + pixelRelativeSize.Height));
graph.DrawLineRel(
lighterColor, 1, ChartDashStyle.Solid,
new SKPoint(buttonRect.Left + pixelRelativeSize.Width, buttonRect.Left + pixelRelativeSize.Height),
new SKPoint(buttonRect.Right - pixelRelativeSize.Width, buttonRect.Left + pixelRelativeSize.Height));
}
}
// Check axis orientation
bool verticalAxis = (axis.AxisPosition == AxisPosition.Left ||
axis.AxisPosition == AxisPosition.Right);
// Set graphics transformation for button pressed mode
float pressedShifting = (singlePixelBorder) ? 0.5f : 1f;
if (pressedState)
{
graph.TranslateTransform(pressedShifting, pressedShifting);
}
// Draw button image
SKRect buttonAbsRect = graph.GetAbsoluteRectangle(buttonRect);
float imageOffset = (singlePixelBorder) ? 2 : 3;
switch (buttonType)
{
case (ScrollBarButtonType.SmallDecrement):
{
// Calculate triangal points position
SKPoint[] points = new SKPoint[3];
if (verticalAxis)
{
points[0].X = buttonAbsRect.Left + imageOffset;
points[0].Y = buttonAbsRect.Top + (imageOffset + 1f);
points[1].X = buttonAbsRect.Left + buttonAbsRect.Width / 2f;
points[1].Y = buttonAbsRect.Bottom - imageOffset;
points[2].X = buttonAbsRect.Right - imageOffset;
points[2].Y = buttonAbsRect.Top + (imageOffset + 1f);
}
else
{
points[0].X = buttonAbsRect.Left + imageOffset;
points[0].Y = buttonAbsRect.Top + buttonAbsRect.Height / 2f;
points[1].X = buttonAbsRect.Right - (imageOffset + 1f);
points[1].Y = buttonAbsRect.Top + imageOffset;
points[2].X = buttonAbsRect.Right - (imageOffset + 1f);
points[2].Y = buttonAbsRect.Bottom - imageOffset;
}
using var brush = new SKPaint { Style = SKPaintStyle.Fill, Color = _lineCurrentColor };
graph.FillPolygon(brush, points);
break;
}
case (ScrollBarButtonType.SmallIncrement):
{
// Calculate triangal points position
SKPoint[] points = new SKPoint[3];
if (verticalAxis)
{
points[0].X = buttonAbsRect.Left + imageOffset;
points[0].Y = buttonAbsRect.Bottom - (imageOffset + 1f);
points[1].X = buttonAbsRect.Left + buttonAbsRect.Width / 2f;
points[1].Y = buttonAbsRect.Top + imageOffset;
points[2].X = buttonAbsRect.Right - imageOffset;
points[2].Y = buttonAbsRect.Bottom - (imageOffset + 1f);
}
else
{
points[0].X = buttonAbsRect.Right - imageOffset;
points[0].Y = buttonAbsRect.Top + buttonAbsRect.Height / 2f;
points[1].X = buttonAbsRect.Left + (imageOffset + 1f);
points[1].Y = buttonAbsRect.Top + imageOffset;
points[2].X = buttonAbsRect.Left + (imageOffset + 1f);
points[2].Y = buttonAbsRect.Bottom - imageOffset;
}
using var brush = new SKPaint { Style = SKPaintStyle.Fill, Color = _lineCurrentColor };
graph.FillPolygon(brush, points);
break;
}
case (ScrollBarButtonType.ZoomReset):
{
// Draw circule with a minus sign
using var pen = new SKPaint { Style = SKPaintStyle.Fill, Color = _lineCurrentColor };
graph.DrawEllipse(pen, buttonAbsRect.Left + imageOffset - 0.5f, buttonAbsRect.Top + imageOffset - 0.5f, buttonAbsRect.Width - 2f * imageOffset, buttonAbsRect.Height - 2f * imageOffset);
graph.DrawLine(pen, buttonAbsRect.Left + imageOffset + 1.5f, buttonAbsRect.Top + buttonAbsRect.Height / 2f - 0.5f, buttonAbsRect.Right - imageOffset - 2.5f, buttonAbsRect.Top + buttonAbsRect.Height / 2f - 0.5f);
break;
}
}
// Reset graphics transformation for button pressed mode
if (pressedState)
{
graph.TranslateTransform(-pressedShifting, -pressedShifting);
}
}
