internal void RenderBackgroundInternal(
Graphics g,
Rectangle rect,
Color baseColor,
Color borderColor,
Color innerBorderColor,
RoundStyle style,
int roundWidth,
float basePosition,
bool drawBorder,
bool drawGlass,
LinearGradientMode mode)
{
if (drawBorder)
{
rect.Width--;
rect.Height--;
}
using (LinearGradientBrush brush = new LinearGradientBrush(
rect, Color.Transparent, Color.Transparent, mode))
{
Color[] colors = new Color[4];
colors[0] = GetColor(baseColor, 0, 35, 24, 9);
colors[1] = GetColor(baseColor, 0, 13, 8, 3);
colors[2] = baseColor;
colors[3] = GetColor(baseColor, 0, 68, 69, 54);
ColorBlend blend = new ColorBlend();
blend.Positions = new float[] { 0.0f, basePosition, basePosition + 0.05f, 1.0f };
blend.Colors = colors;
brush.InterpolationColors = blend;
if (style != RoundStyle.None)
{
using (GraphicsPath path =
GraphicsPathHelper.CreatePath(rect, roundWidth, style, false))
{
g.FillPath(brush, path);
}
if (baseColor.A > 80)
{
Rectangle rectTop = rect;
if (mode == LinearGradientMode.Vertical)
{
rectTop.Height = (int)(rectTop.Height * basePosition);
}
else
{
rectTop.Width = (int)(rect.Width * basePosition);
}
using (GraphicsPath pathTop = GraphicsPathHelper.CreatePath(
rectTop, roundWidth, RoundStyle.Top, false))
{
using (SolidBrush brushAlpha =
new SolidBrush(Color.FromArgb(80, 255, 255, 255)))
{
g.FillPath(brushAlpha, pathTop);
}
}
}
if (drawGlass)
{
RectangleF glassRect = rect;
if (mode == LinearGradientMode.Vertical)
{
glassRect.Y = rect.Y + rect.Height * basePosition;
glassRect.Height = (rect.Height - rect.Height * basePosition) * 2;
}
else
{
glassRect.X = rect.X + rect.Width * basePosition;
glassRect.Width = (rect.Width - rect.Width * basePosition) * 2;
}
ControlPaintEx.DrawGlass(g, glassRect, 170, 0);
}
if (drawBorder)
{
using (GraphicsPath path =
GraphicsPathHelper.CreatePath(rect, roundWidth, style, false))
{
using (Pen pen = new Pen(borderColor))
{
g.DrawPath(pen, path);
}
}
rect.Inflate(-1, -1);
using (GraphicsPath path =
GraphicsPathHelper.CreatePath(rect, roundWidth, style, false))
{
using (Pen pen = new Pen(innerBorderColor))
{
g.DrawPath(pen, path);
}
}
}
}
else
{
g.FillRectangle(brush, rect);
if (baseColor.A > 80)
{
Rectangle rectTop = rect;
if (mode == LinearGradientMode.Vertical)
{
rectTop.Height = (int)(rectTop.Height * basePosition);
}
else
{
rectTop.Width = (int)(rect.Width * basePosition);
}
using (SolidBrush brushAlpha =
new SolidBrush(Color.FromArgb(80, 255, 255, 255)))
{
g.FillRectangle(brushAlpha, rectTop);
}
}
if (drawGlass)
{
RectangleF glassRect = rect;
if (mode == LinearGradientMode.Vertical)
{
glassRect.Y = rect.Y + rect.Height * basePosition;
glassRect.Height = (rect.Height - rect.Height * basePosition) * 2;
}
else
{
glassRect.X = rect.X + rect.Width * basePosition;
glassRect.Width = (rect.Width - rect.Width * basePosition) * 2;
}
ControlPaintEx.DrawGlass(g, glassRect, 200, 0);
}
if (drawBorder)
{
using (Pen pen = new Pen(borderColor))
{
g.DrawRectangle(pen, rect);
}
rect.Inflate(-1, -1);
using (Pen pen = new Pen(innerBorderColor))
{
g.DrawRectangle(pen, rect);
}
}
}
}
}
protected override void OnRenderButtonBackground(
ToolStripItemRenderEventArgs e)
{
ToolStripButton item = e.Item as ToolStripButton;
if (item != null)
{
LinearGradientMode mode =
e.ToolStrip.Orientation == Orientation.Horizontal ?
LinearGradientMode.Vertical : LinearGradientMode.Horizontal;
Graphics g = e.Graphics;
g.SmoothingMode = SmoothingMode.AntiAlias;
Rectangle bounds = new Rectangle(Point.Empty, item.Size);
if (item.BackgroundImage != null)
{
Rectangle clipRect = item.Selected ? item.ContentRectangle : bounds;
ControlPaintEx.DrawBackgroundImage(
g,
item.BackgroundImage,
ColorTable.BackColorNormal,
item.BackgroundImageLayout,
bounds,
clipRect);
}
if (item.CheckState == CheckState.Unchecked)
{
if (item.Selected)
{
Color color = ColorTable.BackColorHover;
if (item.Pressed)
{
color = ColorTable.BackColorPressed;
}
RenderBackgroundInternal(
g,
bounds,
color,
ColorTable.BorderColor,
ColorTable.BackColorNormal,
RoundStyle.All,
true,
true,
mode);
return;
}
else
{
if (e.ToolStrip is ToolStripOverflow)
{
using (Brush brush = new SolidBrush(ColorTable.BackColorNormal))
{
g.FillRectangle(brush, bounds);
}
return;
}
}
}
else
{
Color color = ControlPaint.Light(ColorTable.BackColorHover);
if (item.Selected)
{
color = ColorTable.BackColorHover;
}
if (item.Pressed)
{
color = ColorTable.BackColorPressed;
}
RenderBackgroundInternal(
e.Graphics,
bounds,
color,
ColorTable.BorderColor,
ColorTable.BackColorNormal,
RoundStyle.All,
true,
true,
mode);
return;
}
}
base.OnRenderButtonBackground(e);
}
