protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
// BufferedGraphicsContext currentContext = BufferedGraphicsManager.Current;
// BufferedGraphics myBuffer = currentContext.Allocate(e.Graphics, e.ClipRectangle);
// Graphics g = myBuffer.Graphics;
Graphics g = e.Graphics;
g.SmoothingMode = SmoothingMode.HighQuality;
g.PixelOffsetMode = PixelOffsetMode.HighQuality; //高像素偏移质量
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.CompositingQuality = CompositingQuality.HighQuality;
g.Clear(this.BackColor);
Rectangle rect = ClientRectangle;
if (_totalPath == null)
{
_totalPath = CommonGraphic.CreateRoundRectPath(rect, OffsetX, OffsetY);
}
Color colorDown = BackColor;
Color colorUp = BackColor;
//绘制控件背景色
SolidBrush lgb = new SolidBrush(BackColor);
g.FillPath(lgb, _totalPath);
if (_gpBtnArr.Count > 0)
{
Pen splitPenMain = new Pen(CommonGraphic.ColorOffset(BackColor, -0.2f), 1f);
Pen splitPenSub = new Pen(CommonGraphic.ColorOffset(BackColor, 0.2f), 1f);
Color pressedColor = CommonGraphic.ColorOffset(BackColor, -0.2f);
Image bkImage = null;
for (int i = 0; i < _gpBtnArr.Count; i++)
{
bkImage = _gpBtnArr[i].BackgroundImage;
if (_gpBtnArr[i].Pressed)
{
using (SolidBrush btnbsh = new SolidBrush(pressedColor))
{
g.FillPath(btnbsh, _gpBtnArr[i].BtnPath);
}
if (_gpBtnArr[i].SelectedBKImage != null)
{
bkImage = _gpBtnArr[i].SelectedBKImage;
}
}
else if (_gpBtnArr[i].MouseHover)
{
using (SolidBrush btnbsh = new SolidBrush(CommonGraphic.ColorOffset(this.BackColor, -0.05f) /*CommonGraphic.ColorOffset(Color.White, -240, 0, 0, 0)*/))
{
g.FillPath(btnbsh, _gpBtnArr[i].BtnPath);
}
}
if (i < _gpBtnArr.Count - 1 &&
i != this.MouseHoverIndex - 1 &&
i != this.MouseHoverIndex &&
i != this.PressedIndex - 1 &&
i != this.PressedIndex)
{
CommonGraphic.DrawLine(g, splitPenMain,
_gpBtnArr[i].BtnRect.Right,
_gpBtnArr[i].BtnRect.Top + 6f,
_gpBtnArr[i].BtnRect.Right,
_gpBtnArr[i].BtnRect.Bottom - 6f);
CommonGraphic.DrawLine(g, splitPenSub,
_gpBtnArr[i].BtnRect.Right + 1f,
_gpBtnArr[i].BtnRect.Top + 6f,
_gpBtnArr[i].BtnRect.Right + 1f,
_gpBtnArr[i].BtnRect.Bottom - 6f);
}
Rectangle txtRect = Rectangle.Round(_gpBtnArr[i].BtnRect);
if (bkImage != null)
{
SizeF fontSize = g.MeasureString(_gpBtnArr[i].Text, this.Font);
float height = (float)Math.Round(_gpBtnArr[i].BtnRect.Height * 0.76f, 1); //图片高度;
float width = (float)Math.Round(height * bkImage.Width / bkImage.Height); //图片宽度;
float textWidth = fontSize.Width * 1.3f; //文字宽度;
float imageLeftOffset = (_gpBtnArr[i].BtnRect.Width - (width + textWidth)) / 2f; //图片相对于按钮左边偏移
g.DrawImage(bkImage,
_gpBtnArr[i].BtnRect.Left + imageLeftOffset,
_gpBtnArr[i].BtnRect.Top + (_gpBtnArr[i].BtnRect.Height - height) / 2.0f,
width, height);
txtRect.Offset((int)(imageLeftOffset + width), 0);
txtRect.Width = (int)textWidth;
}
TextRenderer.DrawText(g,
_gpBtnArr[i].Text,
this.Font,
txtRect,
this.ForeColor,
TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter);
}
}
// myBuffer.Render(e.Graphics); //呈现图像至关联的Graphics
// myBuffer.Dispose();
// g.Dispose();
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
Graphics g = e.Graphics;
g.SmoothingMode = SmoothingMode.HighQuality;
g.PixelOffsetMode = PixelOffsetMode.HighQuality; //高像素偏移质量
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.CompositingQuality = CompositingQuality.HighQuality;
g.Clear(this.BackColor);
Rectangle rect = ClientRectangle;
if (_totalPath == null)
{
_totalPath = new GraphicsPath();
_totalPath.Reset();
_totalPath.AddRectangle(ClientRectangle);
}
SolidBrush bsh = new SolidBrush(BackColor);
g.FillPath(bsh, _totalPath);
if (_gpBtnArr.Count > 0)
{
Pen splitPenUp = new Pen(CommonGraphic.ColorOffset(BackColor, -0.3f), 1.5f);
Pen splitPenDown = new Pen(CommonGraphic.ColorOffset(BackColor, 0.2f), 1.5f);
Image bkImage = null;
for (int i = 0; i < _gpBtnArr.Count; i++)
{
Color txtColor = Color.White;
Rectangle txtRect = Rectangle.Round(_gpBtnArr[i].BtnRect);
bkImage = _gpBtnArr[i].BackgroundImage;
if (_gpBtnArr[i].Selected)
{
txtColor = Color.White;
if (_gpBtnArr[i].SelectedBKImage != null)
{
bkImage = _gpBtnArr[i].SelectedBKImage;
}
SolidBrush btnbsh = new SolidBrush(SelectedColor);
g.FillPath(btnbsh, _gpBtnArr[i].BtnPath);
Color spiltLine = CommonGraphic.ColorOffset(SelectedColor, -0.3f);
Pen linePen = new Pen(spiltLine);
g.DrawLine(linePen,
_gpBtnArr[i].BtnRect.Right,
_gpBtnArr[i].BtnRect.Top + 10.0f,
_gpBtnArr[i].BtnRect.Right,
_gpBtnArr[i].BtnRect.Bottom - 10.0f);
}
else if (_gpBtnArr[i].MouseHover)
{
txtRect.Inflate(-5, -5);
txtRect.Offset(5, 5);
}
if (i != this.SelectedIndex - 1 &&
i != this.SelectedIndex)
{
CommonGraphic.DrawLine(g, splitPenUp,
_gpBtnArr[i].BtnRect.Left + 2f,
_gpBtnArr[i].BtnRect.Bottom,
_gpBtnArr[i].BtnRect.Right - 2f,
_gpBtnArr[i].BtnRect.Bottom);
CommonGraphic.DrawLine(g, splitPenDown,
_gpBtnArr[i].BtnRect.Left + 2f,
_gpBtnArr[i].BtnRect.Bottom + 1,
_gpBtnArr[i].BtnRect.Right - 2f,
_gpBtnArr[i].BtnRect.Bottom + 1);
}
if (bkImage != null)
{
float height = _gpBtnArr[i].BtnRect.Height * 0.5f;
float width = height * bkImage.Width / bkImage.Height;
g.DrawImage(bkImage,
_gpBtnArr[i].BtnRect.Left + (_gpBtnArr[i].BtnRect.Height - width) / 2.0f,
_gpBtnArr[i].BtnRect.Top + (_gpBtnArr[i].BtnRect.Height - height) / 2.0f,
width, height);
txtRect.Offset((int)_gpBtnArr[i].BtnRect.Height, 0);
txtRect.Width -= (int)_gpBtnArr[i].BtnRect.Height;
}
TextRenderer.DrawText(g,
_gpBtnArr[i].Text,
this.Font,
txtRect,
txtColor,
/*TextFormatFlags.HorizontalCenter | */ TextFormatFlags.VerticalCenter);
if (_highLightDic.ContainsKey(i))
{
if (_highLightDic[i] > 0)
{
Rectangle numRect = new Rectangle();
numRect.X = (int)_gpBtnArr[i].BtnRect.Right - 35;
numRect.Y = (int)_gpBtnArr[i].BtnRect.Top + (int)_gpBtnArr[i].BtnRect.Height / 2 - 15;
numRect.Width = 30;
numRect.Height = 30;
bsh.Color = Color.Red;
g.FillEllipse(bsh, numRect);
numRect.Offset(0, -2);
TextRenderer.DrawText(g,
_highLightDic[i].ToString(),
_numFont,
numRect,
Color.White,
TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter);
}
}
}
if (EnableDisplayTime)
{
TextRenderer.DrawText(g,
DateTime.Now.ToString(TimeFormat),
this.TimeFont,
_timeRect,
Color.White,
TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter);
}
}
}