public static void CreateRegion(
Control control,
Rectangle bounds,
int radius,
RoundStyle roundStyle)
{
using (GraphicsPath path =
GraphicsPathHelper.CreatePath(
bounds, radius, roundStyle, true))
{
Region region = new Region(path);
path.Widen(Pens.White);
region.Union(path);
if (control.Region != null)
{
control.Region.Dispose();
}
control.Region = region;
}
}
/// <summary>
/// 渲染边框
/// </summary>
/// <param name="e"></param>
protected override void OnRenderToolStripBorder(
ToolStripRenderEventArgs e)
{
ToolStrip toolStrip = e.ToolStrip;
Graphics g = e.Graphics;
Rectangle bounds = e.AffectedBounds;
if (toolStrip is ToolStripDropDown)
{
using (SmoothingModeGraphics sg = new SmoothingModeGraphics(g))
{
using (GraphicsPath path =
GraphicsPathHelper.CreatePath(bounds, RoundRadius, RoundStyle.All, true))
{
using (Pen pen = new Pen(ColorTable.DropDownImageSeparator))
{
path.Widen(pen);
g.DrawPath(pen, path);
}
}
}
if (!(toolStrip is ToolStripOverflow))
{
bounds.Inflate(-1, -1);
using (GraphicsPath innerPath = GraphicsPathHelper.CreatePath(
bounds, RoundRadius, RoundStyle.All, true))
{
using (Pen pen = new Pen(ColorTable.BackNormal))
{
g.DrawPath(pen, innerPath);
}
}
}
}
else
{
base.OnRenderToolStripBorder(e);
}
}
/// <summary>
/// 渲染下拉左侧图标区域
/// </summary>
/// <param name="e"></param>
protected override void OnRenderImageMargin(
ToolStripRenderEventArgs e)
{
ToolStrip toolStrip = e.ToolStrip;
Graphics g = e.Graphics;
Rectangle bounds = e.AffectedBounds;
if (toolStrip is ToolStripDropDown)
{
bool bDrawLogo = NeedDrawLogo(toolStrip);
bool bRightToLeft = toolStrip.RightToLeft == RightToLeft.Yes;
Rectangle imageBackRect = bounds;
//imageBackRect.Width = OffsetMargin;
//画菜单右侧logo图片
if (bDrawLogo)
{
Rectangle logoRect = bounds;
//logoRect.Width = OffsetMargin;
//if (bRightToLeft)
//{
// logoRect.X -= 2;
// imageBackRect.X = logoRect.X - OffsetMargin;
//}
//else
//{
// logoRect.X += 2;
// imageBackRect.X = logoRect.Right;
//}
//logoRect.Y += 1;
//logoRect.Height -= 2;
using (LinearGradientBrush brush = new LinearGradientBrush(
logoRect,
ColorTable.BackHover,
ColorTable.BackNormal,
90f))
{
Blend blend = new Blend();
blend.Positions = new float[] { 0f, .2f, 1f };
blend.Factors = new float[] { 0f, 0.1f, .9f };
brush.Blend = blend;
logoRect.Y += 1;
logoRect.Height -= 2;
using (GraphicsPath path =
GraphicsPathHelper.CreatePath(logoRect, RoundRadius, RoundStyle.All, false))
{
using (SmoothingModeGraphics sg = new SmoothingModeGraphics(g))
{
g.FillPath(brush, path);
}
}
}
StringFormat sf = new StringFormat(StringFormatFlags.NoWrap);
Font font = new Font(
toolStrip.Font.FontFamily, 11, FontStyle.Bold);
sf.Alignment = StringAlignment.Near;
sf.LineAlignment = StringAlignment.Center;
sf.Trimming = StringTrimming.EllipsisCharacter;
g.TranslateTransform(logoRect.X, logoRect.Bottom);
g.RotateTransform(270f);
if (!string.IsNullOrEmpty(MenuLogoString))
{
Rectangle newRect = new Rectangle(
0, 0, logoRect.Height, logoRect.Width);
using (Brush brush = new SolidBrush(ColorTable.Fore))
{
using (TextRenderingHintGraphics tg =
new TextRenderingHintGraphics(g))
{
g.DrawString(
MenuLogoString,
font,
brush,
newRect,
sf);
}
}
}
g.ResetTransform();
}
else
{
if (bRightToLeft)
{
imageBackRect.X -= 3;
}
else
{
imageBackRect.X += 3;
}
}
imageBackRect.Y += 2;
imageBackRect.Height -= 4;
using (SolidBrush brush = new SolidBrush(ColorTable.DropDownImageBack))
{
g.FillRectangle(brush, imageBackRect);
}
Point ponitStart;
Point pointEnd;
if (bRightToLeft)
{
ponitStart = new Point(imageBackRect.X, imageBackRect.Y);
pointEnd = new Point(imageBackRect.X, imageBackRect.Bottom);
}
else
{
ponitStart = new Point(imageBackRect.Right - 1, imageBackRect.Y);
pointEnd = new Point(imageBackRect.Right - 1, imageBackRect.Bottom);
}
using (Pen pen = new Pen(ColorTable.DropDownImageSeparator))
{
g.DrawLine(pen, ponitStart, pointEnd);
}
}
else
{
base.OnRenderImageMargin(e);
}
}
public static 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, 35, 24, 9);
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(128, 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(128, 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);
}
}
}
}
}
