protected override void OnPaintBackground(System.Windows.Forms.PaintEventArgs pevent)
{
// 这里调用父类，主要用来处理透明色（圆角之后的问题）
base.OnPaintBackground(pevent);
if (this.RadiusMode != RadiusMode.None)
{
RadiusDrawable.DrawRadius(pevent.Graphics, this.ClientRectangle, RadiusMode, this.Radius, BackColor, BackColorGradint, this.LinearGradientMode, this.BorderColor, this.BorderWidth);
}
else
{
System.Drawing.Drawing2D.LinearGradientBrush brush;
if (this.LinearGradientMode == GradientMode.None)
{
brush = new System.Drawing.Drawing2D.LinearGradientBrush(this.ClientRectangle, this.BackColor, this.BackColor, System.Drawing.Drawing2D.LinearGradientMode.Vertical);
}
else
{
brush = new System.Drawing.Drawing2D.LinearGradientBrush(this.ClientRectangle, this.BackColor, this.BackColorGradint, ((System.Drawing.Drawing2D.LinearGradientMode)LinearGradientMode));
}
pevent.Graphics.FillRectangle(brush, pevent.ClipRectangle);
brush.Dispose();
}
}
/// <summary>
/// 绘制一个带有圆角背景颜色的文字块
/// </summary>
/// <param name="g"></param>
/// <param name="rect"></param>
/// <param name="font"></param>
/// <param name="text"></param>
/// <param name="foreColor"></param>
/// <param name="backColor"></param>
/// <param name="raidusMode"></param>
/// <param name="radius"></param>
public static void DrawString(Graphics g, Rectangle rect, Font font, string text, Color foreColor, Color backColor, TextAlignment align, RadiusMode raidusMode, int radius)
{
// 先绘制圆角
RadiusDrawable.DrawRadius(g, rect, raidusMode, radius, backColor, Color.Empty, GradientMode.None, Color.Empty, 0);
DrawString(g, rect, font, text, foreColor, align);
}
protected override void OnPaintBackground(PaintEventArgs pevent)
{
// 这里调用父类，主要用来处理透明色（圆角之后的问题）
base.OnPaintBackground(pevent);
if (circleButton)
{
this.Height = this.Width; this.radius = this.Height / 2; this.radiusMode = Forms.RadiusMode.All;
}
Color c1 = Color.Empty;
if (this.status == ButtonStatus.Default)
{
c1 = this.BorderColor;
}
else if (this.status == ButtonStatus.Hover)
{
c1 = this.BorderHoverColor;
}
else if (this.status == ButtonStatus.Press)
{
c1 = this.BorderPressColor;
}
if (this.status == ButtonStatus.Default || this.HoverBackColor == null || this.HoverBackColor.FromColor.IsEmpty)
{
RadiusDrawable.DrawRadius(pevent.Graphics, this.ClientRectangle, RadiusMode, this.Radius, this.BackgroundColor.FromColor, this.BackgroundColor.ToColor, this.BackgroundColor.GradientMode, c1, this.borderWidth);
}
else
{
RadiusDrawable.DrawRadius(pevent.Graphics, this.ClientRectangle, RadiusMode, this.Radius, this.HoverBackColor.FromColor, this.HoverBackColor.ToColor, this.HoverBackColor.GradientMode, c1, this.borderWidth);
}
}
protected virtual void DrawBackground(Graphics graphics)
{
var color = this.Hover ? this.ControlActivedColor : this.ControlBackColor;
RadiusDrawable.DrawRadius(graphics, this.Rectangle, RadiusMode.None, 0, color.FromColor, color.ToColor, color.GradientMode, Color.Empty, 0);
//using (var brush = new SolidBrush(this.Hover ? this.ControlActivedColor : this.ControlBackColor))
//{
// graphics.FillRectangle(brush, this.Rectangle);
//}
}
public override void Draw(Graphics graphics)
{
var fontSize = Size.Ceiling(graphics.MeasureString(this.Text, this.Font));
var x = ParentPalette.Rectangle.X + ParentPalette.Width - fontSize.Width - 2;
var y = ParentPalette.Rectangle.Y + 2;
this.Rectangle = new Rectangle(x, y, fontSize.Width + 2, fontSize.Height + 2);
// 画圆角背景
RadiusDrawable.DrawRadius(graphics, this.Rectangle, RadiusMode.All, (fontSize.Height + 2) / 2, this.BackColor, this.BackColor, GradientMode.None, Color.Empty, 0);
using (var brush = new SolidBrush(this.ForeColor))
{
x += 1;
y += 1;
graphics.DrawString(this.Text, this.Font, brush, x, y);
}
}
protected override void OnPaint(PaintEventArgs pevent)
{
base.OnPaint(pevent);
if (this.RadiusMode != RadiusMode.None)
{
RadiusDrawable.DrawRadius(pevent.Graphics, captionRect, this.RadiusMode != Forms.RadiusMode.None ? Forms.RadiusMode.TopLeft_TopRight : Forms.RadiusMode.None, this.Radius, CaptionBackColor, CaptionBackColorGradint, this.CaptionLinearGradientMode, Color.Empty, 0);
}
else
{
System.Drawing.Drawing2D.LinearGradientBrush brush;
if (this.CaptionLinearGradientMode == GradientMode.None)
{
brush = new System.Drawing.Drawing2D.LinearGradientBrush(this.captionRect, this.CaptionBackColor, this.CaptionBackColorGradint, System.Drawing.Drawing2D.LinearGradientMode.Vertical);
}
else
{
brush = new System.Drawing.Drawing2D.LinearGradientBrush(this.captionRect, this.CaptionBackColor, this.CaptionBackColorGradint, ((System.Drawing.Drawing2D.LinearGradientMode)CaptionLinearGradientMode));
}
pevent.Graphics.FillRectangle(brush, captionRect);
brush.Dispose();
}
var font = this.captionFont == null ? this.Font : this.captionFont;
if (this.CaptionLocation == CaptionLocation.Top || this.CaptionLocation == CaptionLocation.Bottom)
{
var fontSize = Size.Ceiling(pevent.Graphics.MeasureString(this.Title, font));
var x = this.Radius > 0 && this.RadiusMode != Forms.RadiusMode.None ? this.Radius / 2 + 6 : 6;
x += this.BorderColor.IsEmpty ? 0 : this.BorderWidth;
var y = (this.CaptionHeight - fontSize.Height) / 2;
if (this.TitleLocation == CaptionTitleLocation.Center)
{
x = (this.Width - fontSize.Width) / 2;
}
else if (this.TitleLocation == CaptionTitleLocation.Right)
{
x = this.Width - fontSize.Width - x;
}
if (this.CaptionLocation == CaptionLocation.Bottom)
{
y += this.captionRect.Y;
}
else
{
y += this.BorderWidth / 2;
}
using (var brush = new SolidBrush(this.CaptionForeColor))
{
pevent.Graphics.DrawString(this.Title, font, brush, x, y);
}
}
else
{
Size fontSize = Size.Empty;
var height = 0;//总高度
var length = this.Title.Length;
for (var i = 0; i < length; i++)
{
fontSize = Size.Ceiling(pevent.Graphics.MeasureString(this.Title.Substring(i, 1), font));
height += fontSize.Height + 3;
}
height -= 3;
var y = this.Radius > 0 && this.RadiusMode != Forms.RadiusMode.None ? this.Radius / 2 + 6 : 6;
y += this.BorderColor.IsEmpty ? 0 : this.BorderWidth / 2;
var x = (this.CaptionHeight - fontSize.Width) / 2 + this.BorderWidth / 2;
if (this.CaptionLocation == CaptionLocation.Right)
{
x += this.captionRect.X - this.BorderWidth / 2;
}
if (this.TitleLocation == CaptionTitleLocation.Center)
{
y = (this.Height - height) / 2;
}
else if (this.TitleLocation == CaptionTitleLocation.Right)
{
y = this.Height - height - y;
}
for (var i = 0; i < length; i++)
{
using (var brush = new SolidBrush(this.CaptionForeColor))
{
fontSize = Size.Ceiling(pevent.Graphics.MeasureString(this.Title.Substring(i, 1), font));
//height += fontSize.Height + font.Height;
pevent.Graphics.DrawString(this.Title.Substring(i, 1), font, brush, x, y);
y += 3 + fontSize.Height;
}
}
}
}
internal void DrawElement(MHtmlElement element, Graphics graphics)
{
var rect = new Rectangle(element.RelativePosition, element.Rectangle.Size);
if (rect.IsEmpty)
{
return;
}
#region 边框和背景
// 圆角模式，忽略边框样式
if (element.RadiusMode != RadiusMode.None && element.Radius > 0)
{
var color1 = element.BackColor.IsEmpty ? Color.Transparent : element.BackColor;
var color2 = element.BackColorGradient;
RadiusDrawable.DrawRadius(graphics, rect, element.RadiusMode, element.Radius, element.BackColor, element.BackColorGradient, element.Gradient, element.Border.Color, element.Border.Width);
}
// 有边框
else if (element.Border != null && !element.Border.IsEmpty)
{
if (!element.BackColor.IsEmpty)
{
using (var brush = new SolidBrush(element.BackColor))
{
graphics.FillRectangle(brush, element.Rectangle);
}
}
var bl = element.Border.Left == 0 ? element.Border.Width : element.Border.Left;
var bt = element.Border.Top == 0 ? element.Border.Width : element.Border.Top;
var br = element.Border.Right == 0 ? element.Border.Width : element.Border.Right;
var bb = element.Border.Bottom == 0 ? element.Border.Width : element.Border.Bottom;
using (var pen = new Pen(element.Border.Color))
{
pen.DashStyle = element.Border.GetDashStyle();
if (bl > 0)
{
pen.Width = bl;
graphics.DrawLine(pen, rect.X, rect.Y, rect.X, rect.Y + rect.Height);
}
if (bt > 0)
{
pen.Width = bt;
graphics.DrawLine(pen, rect.X, rect.Y, rect.X + rect.Width, rect.Y);
}
if (br > 0)
{
pen.Width = br;
graphics.DrawLine(pen, rect.X + rect.Width, rect.Y, rect.X + rect.Width, rect.Y + rect.Height);
}
if (bb > 0)
{
pen.Width = bb;
graphics.DrawLine(pen, rect.X, rect.Y + rect.Height, rect.X + rect.Width, rect.Y + rect.Height);
}
}
}
else
{
// 没有边框，直接处理背景
if (!element.BackColor.IsEmpty)
{
using (var brush = new SolidBrush(element.BackColor))
{
graphics.FillRectangle(brush, rect);
}
}
}
#endregion
if (!string.IsNullOrEmpty(element.Text))
{
var textRect = new Rectangle(rect.X + element.Padding.Left, rect.Y + element.Padding.Top, rect.Width - element.Padding.Left - element.Padding.Right, rect.Height - element.Padding.Top - element.Padding.Bottom);
GDIHelper.DrawString(graphics, textRect, element.Font, element.Text, element.ForeColor, element.Align);
}
if (element.HasHover)
{
Hovers.Add(element);
}
if (element.HasClick)
{
Clicks.Add(element);
}
if (element.HasLeave)
{
Leaves.Add(element);
}
if (element.Items != null)
{
foreach (var item in element.Items)
{
this.DrawElement(item, graphics);
}
}
}
private void DrawControlBox(Graphics graphics)
{
var count = 0;
#region 钮数量
if (this.ControlBox)
{
count = 1;
if (this.MaximizeBox)
{
count++;
}
if (this.MinimizeBox)
{
count++;
}
if (this.HelpButton)
{
count++;
}
}
else
{
return;
}
#endregion
if (this.ControlBoxies != null)
{
count += this.controlBoxies.Count;
}
if (count == 0)
{
return;
}
var x = this.Width - this.Padding.Right - this.controlBoxSize.Width;
var y = this.Padding.Top;//(this.Height - this.Padding.Top - this.Padding.Bottom - this.controlBoxSize.Height) / 2 + this.Padding.Top;
if (this.centerControlBox)
{
y = (this.Height - y - this.ControlBoxSize.Height) / 2;
}
ImageAttributes ImgAtt = new ImageAttributes();
ImgAtt.SetWrapMode(System.Drawing.Drawing2D.WrapMode.Clamp);
if (this.CloseButtonImage != null)
{
CloseRect = new Rectangle(x, y, this.controlBoxSize.Width, this.controlBoxSize.Height);
var color = CloseHover ? this.ControlActivedColor : this.ControlBackColor;
RadiusDrawable.DrawRadius(graphics, CloseRect, RadiusMode.None, 0, color.FromColor, color.ToColor, color.GradientMode, Color.Empty, 0);
graphics.DrawImage(this.CloseButtonImage, CloseRect, 0, 0, this.CloseButtonImage.Width, this.CloseButtonImage.Height, GraphicsUnit.Pixel, ImgAtt);
x -= this.ControlBoxSize.Width;
}
if (this.MaximizeBox && this.WindowState == FormWindowState.Maximized && this.NormalBoxImage != null)
{
MaxRect = new Rectangle(x, y, this.controlBoxSize.Width, this.controlBoxSize.Height);
var color = MaxHover ? this.ControlActivedColor : this.ControlBackColor;
RadiusDrawable.DrawRadius(graphics, MaxRect, RadiusMode.None, 0, color.FromColor, color.ToColor, color.GradientMode, Color.Empty, 0);
graphics.DrawImage(this.NormalBoxImage, MaxRect, 0, 0, this.NormalBoxImage.Width, this.NormalBoxImage.Height, GraphicsUnit.Pixel, ImgAtt);
x -= this.ControlBoxSize.Width;
}
else if (this.MaximizeBox && this.WindowState != FormWindowState.Maximized && this.MaximizeBoxImage != null)
{
MaxRect = new Rectangle(x, y, this.controlBoxSize.Width, this.controlBoxSize.Height);
var color = MaxHover ? this.ControlActivedColor : this.ControlBackColor;
RadiusDrawable.DrawRadius(graphics, MaxRect, RadiusMode.None, 0, color.FromColor, color.ToColor, color.GradientMode, Color.Empty, 0);
graphics.DrawImage(this.MaximizeBoxImage, MaxRect, 0, 0, this.MaximizeBoxImage.Width, this.MaximizeBoxImage.Height, GraphicsUnit.Pixel, ImgAtt);
x -= this.ControlBoxSize.Width;
}
if (this.MinimizeBox && this.MinimizeBoxImage != null)
{
MinRect = new Rectangle(x, y, this.controlBoxSize.Width, this.controlBoxSize.Height);
var color = MinHover ? this.ControlActivedColor : this.ControlBackColor;
RadiusDrawable.DrawRadius(graphics, MinRect, RadiusMode.None, 0, color.FromColor, color.ToColor, color.GradientMode, Color.Empty, 0);
graphics.DrawImage(this.MinimizeBoxImage, MinRect, 0, 0, this.MinimizeBoxImage.Width, this.MinimizeBoxImage.Height, GraphicsUnit.Pixel, ImgAtt);
x -= this.ControlBoxSize.Width;
}
#region 帮助按钮
if (this.HelpButton && this.HelpButtonImage != null)
{
HelpRect = new Rectangle(x, y, this.controlBoxSize.Width, this.controlBoxSize.Height);
var color = HelpHover ? this.ControlActivedColor : this.ControlBackColor;
RadiusDrawable.DrawRadius(graphics, HelpRect, RadiusMode.None, 0, color.FromColor, color.ToColor, color.GradientMode, Color.Empty, 0);
graphics.DrawImage(this.HelpButtonImage, HelpRect, 0, 0, this.HelpButtonImage.Width, this.HelpButtonImage.Height, GraphicsUnit.Pixel, ImgAtt);
x -= this.ControlBoxSize.Width;
}
#endregion
#region 其他按钮
if (this.ControlBoxies != null && this.ImageList != null && this.ImageList.Images.Count > 0)
{
foreach (var item in this.ControlBoxies)
{
item.Click -= ControlBoxItem_Click;
item.Click += ControlBoxItem_Click;
item.ControlActivedColor = this.ControlActivedColor;
item.ControlBackColor = this.ControlBackColor;
item.Rectangle = new Rectangle(x, y, this.controlBoxSize.Width, this.controlBoxSize.Height);
item.Image = this.ImageList.Images[item.ImageIndex];
item.Draw(graphics);
x -= this.ControlBoxSize.Width;
}
}
#endregion
}