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Tools.cs
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Tools.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;
using System.Drawing.Drawing2D;
namespace Paint
{
// 工具类型
public enum ToolsType
{
裁剪,
橡皮,
取色,
铅笔,
喷枪,
直线,
矩形,
椭圆,
选定,
填充,
放大镜,
刷子,
文字,
曲线,
多边形,
圆角矩形
}
// 鼠标状态类型
public enum MouseStateType
{
MouseDown,
MouseMove,
MouseUp
}
//工具型号
public enum ToolSize
{
Size_1,
Size_2,
Size_3,
Size_4,
Size_5,
Size_6,
Size_7,
Size_8,
Size_9,
Size_10,
Size_11,
Size_12
}
class Tools
{
public static ToolSize m_ToolSize = ToolSize.Size_1;
public static bool m_TempImageUsed = false;
public static MouseStateType m_MouseState = MouseStateType.MouseUp;
public static Point m_PreviousPoint = Point.Empty;
public static List<Point> m_PointList = new List<Point>();
private static Random m_Random = new Random(); //随机数发生器
public static void Init()
{
m_ToolSize = ToolSize.Size_1;
m_TempImageUsed = false;
m_MouseState = MouseStateType.MouseUp;
m_PreviousPoint = Point.Empty;
m_PointList.Clear();
}
/*
static void 裁剪()
{
switch()
{
}
}
*/
public static void 橡皮(MouseStateType mouseType, Point targetPoint, Color colorType, ref Bitmap sourceBitmap)
{
int iSize = 2 * (int)m_ToolSize + 1;
switch (mouseType)
{
case MouseStateType.MouseDown:
{
Graphics.FromImage(sourceBitmap).FillRectangle(new SolidBrush(colorType), targetPoint.X - iSize, targetPoint.Y - iSize, iSize * 2, iSize * 2);
m_MouseState = MouseStateType.MouseDown;
break;
}
case MouseStateType.MouseMove:
if (MouseStateType.MouseDown == m_MouseState)
{
Graphics.FromImage(sourceBitmap).FillRectangle(new SolidBrush(colorType), targetPoint.X - iSize, targetPoint.Y - iSize, iSize * 2, iSize * 2);
}
break;
case MouseStateType.MouseUp:
m_MouseState = MouseStateType.MouseUp;
break;
}
}
public static Color 取色(MouseStateType mouseType, Point targetPoint, ref Bitmap sourceBitmap)
{
Color returnColor = Color.Empty;
switch (mouseType)
{
case MouseStateType.MouseDown:
if (sourceBitmap.Width > targetPoint.X && 0 < targetPoint.X && sourceBitmap.Height > targetPoint.Y && 0 < targetPoint.Y)
{
returnColor = sourceBitmap.GetPixel(targetPoint.X, targetPoint.Y);
}
m_MouseState = MouseStateType.MouseDown;
break;
case MouseStateType.MouseMove:
if (MouseStateType.MouseDown == m_MouseState && sourceBitmap.Width > targetPoint.X && 0 < targetPoint.X && sourceBitmap.Height > targetPoint.Y && 0 < targetPoint.Y)
{
returnColor = sourceBitmap.GetPixel(targetPoint.X, targetPoint.Y);
}
break;
case MouseStateType.MouseUp:
if (sourceBitmap.Width > targetPoint.X && 0 < targetPoint.X && sourceBitmap.Height > targetPoint.Y && 0 < targetPoint.Y)
{
returnColor = sourceBitmap.GetPixel(targetPoint.X, targetPoint.Y);
}
m_MouseState = MouseStateType.MouseUp;
break;
}
return returnColor;
}
public static void 铅笔(MouseStateType mouseType, Point targetPoint, Color colorType, ref Bitmap sourceBitmap)
{
switch (mouseType)
{
case MouseStateType.MouseDown:
m_PreviousPoint = targetPoint;
m_MouseState = MouseStateType.MouseDown;
break;
case MouseStateType.MouseMove:
if (MouseStateType.MouseDown == m_MouseState)
{
Graphics.FromImage(sourceBitmap).DrawLine(new Pen(colorType, 1), m_PreviousPoint, targetPoint);
m_PreviousPoint = targetPoint;
}
break;
case MouseStateType.MouseUp:
m_PreviousPoint = Point.Empty;
m_MouseState = MouseStateType.MouseUp;
break;
}
}
public static void 喷枪(MouseStateType mouseType, Point targetPoint, Color colorType, ref Bitmap sourceBitmap)
{
switch (mouseType)
{
case MouseStateType.MouseDown:
{
m_PreviousPoint = targetPoint;
m_MouseState = MouseStateType.MouseDown;
break;
}
case MouseStateType.MouseMove:
if (MouseStateType.MouseDown == m_MouseState)
{
int iSize = 5 * ((int)m_ToolSize + 1);
for (int i = 0; i < 25; ++i)
{
int x = 0, y = 0;
do
{
x = m_Random.Next(-iSize, iSize);
y = m_Random.Next(-iSize, iSize);
}
while (x * x + y * y > iSize * iSize);
int oriX = Tools.m_PreviousPoint.X + x, oriY = Tools.m_PreviousPoint.Y + y;
if (0 < oriX && oriX < sourceBitmap.Width && 0 < oriY && oriY < sourceBitmap.Height)
{
sourceBitmap.SetPixel(Tools.m_PreviousPoint.X + x, Tools.m_PreviousPoint.Y + y, colorType);
}
}
}
break;
case MouseStateType.MouseUp:
m_MouseState = MouseStateType.MouseUp;
break;
}
}
public static void 直线(MouseStateType mouseType, Point targetPoint, Color colorType, ref Bitmap sourceBitmap, ref Bitmap temporyImage)
{
switch (mouseType)
{
case MouseStateType.MouseDown:
m_TempImageUsed = true;
m_PreviousPoint = targetPoint;
m_MouseState = MouseStateType.MouseDown;
break;
case MouseStateType.MouseMove:
if (MouseStateType.MouseDown == m_MouseState)
{
Graphics.FromImage(temporyImage).Clear(Color.Empty);
Graphics.FromImage(temporyImage).DrawLine(new Pen(colorType, (int)m_ToolSize), m_PreviousPoint, targetPoint);
}
break;
case MouseStateType.MouseUp:
{
m_TempImageUsed = false;
Graphics.FromImage(sourceBitmap).DrawLine(new Pen(colorType, (int)m_ToolSize), m_PreviousPoint, targetPoint);
m_PreviousPoint = Point.Empty;
m_MouseState = MouseStateType.MouseUp;
break;
}
}
}
public static void 矩形(MouseStateType mouseType, Point targetPoint, Color colorType, ref Bitmap sourceBitmap, ref Bitmap temporyImage)
{
switch (mouseType)
{
case MouseStateType.MouseDown:
m_TempImageUsed = true;
m_PreviousPoint = targetPoint;
m_MouseState = MouseStateType.MouseDown;
break;
case MouseStateType.MouseMove:
if (MouseStateType.MouseDown == m_MouseState)
{
Point staticPoint = new Point((Tools.m_PreviousPoint.X < targetPoint.X) ? Tools.m_PreviousPoint.X : targetPoint.X, (Tools.m_PreviousPoint.Y < targetPoint.Y) ? Tools.m_PreviousPoint.Y : targetPoint.Y);
targetPoint.X = Math.Abs(targetPoint.X - Tools.m_PreviousPoint.X);
targetPoint.Y = Math.Abs(targetPoint.Y - Tools.m_PreviousPoint.Y);
Graphics.FromImage(temporyImage).Clear(Color.Empty);
switch (m_ToolSize)
{
case ToolSize.Size_1:
Graphics.FromImage(temporyImage).DrawRectangle(new Pen(colorType, 1), staticPoint.X, staticPoint.Y, targetPoint.X, targetPoint.Y);
break;
case ToolSize.Size_2:
Graphics.FromImage(temporyImage).FillRectangle(Brushes.White, staticPoint.X, staticPoint.Y, targetPoint.X, targetPoint.Y);
Graphics.FromImage(temporyImage).DrawRectangle(new Pen(colorType, 1), staticPoint.X, staticPoint.Y, targetPoint.X, targetPoint.Y);
break;
case ToolSize.Size_3:
Graphics.FromImage(temporyImage).FillRectangle(new SolidBrush(colorType), staticPoint.X, staticPoint.Y, targetPoint.X, targetPoint.Y);
break;
}
}
break;
case MouseStateType.MouseUp:
{
m_TempImageUsed = false;
Point staticPoint = new Point((Tools.m_PreviousPoint.X < targetPoint.X) ? Tools.m_PreviousPoint.X : targetPoint.X, (Tools.m_PreviousPoint.Y < targetPoint.Y) ? Tools.m_PreviousPoint.Y : targetPoint.Y);
targetPoint.X = Math.Abs(targetPoint.X - Tools.m_PreviousPoint.X);
targetPoint.Y = Math.Abs(targetPoint.Y - Tools.m_PreviousPoint.Y);
switch (m_ToolSize)
{
case ToolSize.Size_1:
Graphics.FromImage(sourceBitmap).DrawRectangle(new Pen(colorType, 1), staticPoint.X, staticPoint.Y, targetPoint.X, targetPoint.Y);
break;
case ToolSize.Size_2:
Graphics.FromImage(sourceBitmap).FillRectangle(Brushes.White, staticPoint.X, staticPoint.Y, targetPoint.X, targetPoint.Y);
Graphics.FromImage(sourceBitmap).DrawRectangle(new Pen(colorType, 1), staticPoint.X, staticPoint.Y, targetPoint.X, targetPoint.Y);
break;
case ToolSize.Size_3:
Graphics.FromImage(sourceBitmap).FillRectangle(new SolidBrush(colorType), staticPoint.X, staticPoint.Y, targetPoint.X, targetPoint.Y);
break;
}
m_PreviousPoint = Point.Empty;
m_MouseState = MouseStateType.MouseUp;
break;
}
}
}
public static void 椭圆(MouseStateType mouseType, Point targetPoint, Color colorType, ref Bitmap sourceBitmap, ref Bitmap temporyImage)
{
switch (mouseType)
{
case MouseStateType.MouseDown:
m_TempImageUsed = true;
m_PreviousPoint = targetPoint;
m_MouseState = MouseStateType.MouseDown;
break;
case MouseStateType.MouseMove:
if (MouseStateType.MouseDown == m_MouseState)
{
Point staticPoint = new Point((Tools.m_PreviousPoint.X < targetPoint.X) ? Tools.m_PreviousPoint.X : targetPoint.X, (Tools.m_PreviousPoint.Y < targetPoint.Y) ? Tools.m_PreviousPoint.Y : targetPoint.Y);
targetPoint.X = Math.Abs(targetPoint.X - Tools.m_PreviousPoint.X);
targetPoint.Y = Math.Abs(targetPoint.Y - Tools.m_PreviousPoint.Y);
Graphics.FromImage(temporyImage).Clear(Color.Empty);
switch (m_ToolSize)
{
case ToolSize.Size_1:
Graphics.FromImage(temporyImage).DrawEllipse(new Pen(colorType, 1), staticPoint.X, staticPoint.Y, targetPoint.X, targetPoint.Y);
break;
case ToolSize.Size_2:
Graphics.FromImage(temporyImage).FillEllipse(Brushes.White, staticPoint.X, staticPoint.Y, targetPoint.X, targetPoint.Y);
Graphics.FromImage(temporyImage).DrawEllipse(new Pen(colorType, 1), staticPoint.X, staticPoint.Y, targetPoint.X, targetPoint.Y);
break;
case ToolSize.Size_3:
Graphics.FromImage(temporyImage).FillEllipse(new SolidBrush(colorType), staticPoint.X, staticPoint.Y, targetPoint.X, targetPoint.Y);
break;
}
}
break;
case MouseStateType.MouseUp:
{
m_TempImageUsed = false;
Point staticPoint = new Point((Tools.m_PreviousPoint.X < targetPoint.X) ? Tools.m_PreviousPoint.X : targetPoint.X, (Tools.m_PreviousPoint.Y < targetPoint.Y) ? Tools.m_PreviousPoint.Y : targetPoint.Y);
targetPoint.X = Math.Abs(targetPoint.X - Tools.m_PreviousPoint.X);
targetPoint.Y = Math.Abs(targetPoint.Y - Tools.m_PreviousPoint.Y);
switch (m_ToolSize)
{
case ToolSize.Size_1:
Graphics.FromImage(sourceBitmap).DrawEllipse(new Pen(colorType, 1), staticPoint.X, staticPoint.Y, targetPoint.X, targetPoint.Y);
break;
case ToolSize.Size_2:
Graphics.FromImage(sourceBitmap).FillEllipse(Brushes.White, staticPoint.X, staticPoint.Y, targetPoint.X, targetPoint.Y);
Graphics.FromImage(sourceBitmap).DrawEllipse(new Pen(colorType, 1), staticPoint.X, staticPoint.Y, targetPoint.X, targetPoint.Y);
break;
case ToolSize.Size_3:
Graphics.FromImage(sourceBitmap).FillEllipse(new SolidBrush(colorType), staticPoint.X, staticPoint.Y, targetPoint.X, targetPoint.Y);
break;
}
m_PreviousPoint = Point.Empty;
m_MouseState = MouseStateType.MouseUp;
break;
}
}
}
/*
class 选定
{
}
class 填充
{
}
class 放大镜
{
}
*/
public static void 刷子(MouseStateType mouseType, Point targetPoint, Color colorType, ref Bitmap sourceBitmap, ref Bitmap temporyImage)
{
switch (mouseType)
{
case MouseStateType.MouseDown:
m_TempImageUsed = true;
m_PreviousPoint = targetPoint;
m_PointList.Add(m_PreviousPoint);
m_MouseState = MouseStateType.MouseDown;
break;
case MouseStateType.MouseMove:
if (MouseStateType.MouseDown == m_MouseState)
{
m_PreviousPoint = targetPoint;
m_PointList.Add(m_PreviousPoint);
DrawPolygon(Graphics.FromImage(temporyImage), colorType, false, false, false, 10);
m_TempImageUsed = true;
}
break;
case MouseStateType.MouseUp:
m_TempImageUsed = false;
if (1 <= m_PointList.Count)
{
m_PointList.Add(targetPoint);
DrawPolygon(Graphics.FromImage(sourceBitmap), colorType, false, false, false,10);
}
m_PointList.Clear();
Graphics.FromImage(temporyImage).Clear(Color.Empty);
m_PreviousPoint = Point.Empty;
m_MouseState = MouseStateType.MouseUp;
break;
}
}
public static void 文字(MouseStateType mouseType, Point targetPoint, Color colorType, ref Bitmap sourceBitmap, ref System.Windows.Forms.TextBox alphaTextBox)
{
switch (mouseType)
{
case MouseStateType.MouseDown:
m_PreviousPoint = targetPoint;
if (alphaTextBox.Visible)
{
for (int i = 0; i < alphaTextBox.Lines.Length; ++ i)
{
Point newLocation = new Point(alphaTextBox.Location.X, alphaTextBox.Location.Y + i * (alphaTextBox.Font.Height - 5));
Graphics.FromImage(sourceBitmap).DrawString(alphaTextBox.Lines[i], alphaTextBox.Font, new SolidBrush(Color.FromArgb(255, alphaTextBox.ForeColor)), newLocation);
}
//Graphics.FromImage(sourceBitmap).DrawString(alphaTextBox.Text, alphaTextBox.Font, new SolidBrush(Color.FromArgb(255, alphaTextBox.ForeColor)), new Point(alphaTextBox.Location.X, alphaTextBox.Location.Y));
alphaTextBox.Text = "";
alphaTextBox.Visible = false;
}
else
{
alphaTextBox.Location = Tools.m_PreviousPoint;
alphaTextBox.ForeColor = colorType;
alphaTextBox.Font = new Font(alphaTextBox.Font.FontFamily,22, alphaTextBox.Font.Style);
alphaTextBox.Visible = true;
}
m_MouseState = MouseStateType.MouseDown;
break;
case MouseStateType.MouseMove:
if (MouseStateType.MouseDown == m_MouseState && alphaTextBox.Visible)
{
alphaTextBox.Location = new Point((Tools.m_PreviousPoint.X < targetPoint.X) ? Tools.m_PreviousPoint.X : targetPoint.X, (Tools.m_PreviousPoint.Y < targetPoint.Y) ? Tools.m_PreviousPoint.Y : targetPoint.Y);
alphaTextBox.Size = new Size(Math.Abs(targetPoint.X - Tools.m_PreviousPoint.X), Math.Abs(targetPoint.Y - Tools.m_PreviousPoint.Y));
}
break;
case MouseStateType.MouseUp:
m_PreviousPoint = Point.Empty;
m_MouseState = MouseStateType.MouseUp;
break;
}
}
//real参数：为了在切换工具后及时将临时曲线绘制并销毁点数组
public static void 曲线(MouseStateType mouseType, Point targetPoint, Color colorType, Bitmap sourceBitmap, Bitmap temporyImage, bool real = false)
{
switch (mouseType)
{
case MouseStateType.MouseDown:
m_TempImageUsed = true;
if (0 == m_PointList.Count)
{
m_PointList.Add(targetPoint);
}
m_MouseState = MouseStateType.MouseDown;
break;
case MouseStateType.MouseMove:
if (MouseStateType.MouseDown == m_MouseState)
{
Graphics.FromImage(temporyImage).Clear(Color.Empty);
switch (m_PointList.Count)
{
case 1:
Graphics.FromImage(temporyImage).DrawLine(new Pen(colorType, (int)m_ToolSize), m_PointList[0], targetPoint);
break;
case 2:
Graphics.FromImage(temporyImage).DrawBezier(new Pen(colorType, (int)m_ToolSize), m_PointList[1], targetPoint, m_PointList[0], m_PointList[0]);
break;
case 3:
Graphics.FromImage(temporyImage).DrawBezier(new Pen(colorType, (int)m_ToolSize), m_PointList[1], targetPoint, m_PointList[2], m_PointList[0]);
break;
}
}
break;
case MouseStateType.MouseUp:
{
if (!real)
{
if (m_PointList.Count < 3)
{
m_PointList.Add(targetPoint);
}
else
{
m_TempImageUsed = false;
Graphics.FromImage(sourceBitmap).DrawBezier(new Pen(colorType, (int)m_ToolSize), m_PointList[1], targetPoint, m_PointList[2], m_PointList[0]);
m_PointList.Clear();
}
}
else
{
m_TempImageUsed = false;
switch (m_PointList.Count)
{
case 1:
break;
case 2:
Graphics.FromImage(sourceBitmap).DrawLine(new Pen(colorType, (int)m_ToolSize), m_PointList[0], m_PointList[1]);
break;
case 3:
Graphics.FromImage(sourceBitmap).DrawBezier(new Pen(colorType, (int)m_ToolSize), m_PointList[1], m_PointList[2], m_PointList[0], m_PointList[0]);
break;
}
m_PointList.Clear();
}
m_MouseState = MouseStateType.MouseUp;
break;
}
}
}
public static void 多边形(MouseStateType mouseType, Point targetPoint, Color colorType, ref Bitmap sourceBitmap, ref Bitmap temporyImage)
{
switch (mouseType)
{
case MouseStateType.MouseDown:
if (1 <= m_PointList.Count)
{
Graphics.FromImage(temporyImage).DrawLine(new Pen(colorType, 1), targetPoint, m_PointList[m_PointList.Count - 1]);
}
m_PreviousPoint = targetPoint;
m_MouseState = MouseStateType.MouseDown;
break;
case MouseStateType.MouseMove:
if (MouseStateType.MouseDown == m_MouseState)
{
if (!m_TempImageUsed)
{
m_TempImageUsed = true;
if (0 == Tools.m_PointList.Count)
{
Tools.m_PointList.Add(m_PreviousPoint);
}
}
Graphics.FromImage(temporyImage).Clear(Color.Empty);
if (1 < m_PointList.Count)
{
Graphics.FromImage(temporyImage).DrawLines(new Pen(colorType, 1), m_PointList.ToArray());
}
Graphics.FromImage(temporyImage).DrawLine(new Pen(colorType, 1), targetPoint, m_PointList[m_PointList.Count - 1]);
}
break;
case MouseStateType.MouseUp:
if (1 <= m_PointList.Count)
{
Tools.m_PointList.Add(targetPoint);
Graphics.FromImage(temporyImage).DrawLines(new Pen(colorType, 1), m_PointList.ToArray());
}
m_PreviousPoint = Point.Empty;
m_MouseState = MouseStateType.MouseUp;
break;
}
}
public static void 圆角矩形(MouseStateType mouseType, Point targetPoint, Color colorType, ref Bitmap sourceBitmap, ref Bitmap temporyImage)
{
switch (mouseType)
{
case MouseStateType.MouseDown:
m_TempImageUsed = true;
m_PreviousPoint = targetPoint;
m_MouseState = MouseStateType.MouseDown;
break;
case MouseStateType.MouseMove:
if (MouseStateType.MouseDown == m_MouseState)
{
Point staticPoint = new Point((Tools.m_PreviousPoint.X < targetPoint.X) ? Tools.m_PreviousPoint.X : targetPoint.X, (Tools.m_PreviousPoint.Y < targetPoint.Y) ? Tools.m_PreviousPoint.Y : targetPoint.Y);
targetPoint.X = Math.Abs(targetPoint.X - Tools.m_PreviousPoint.X);
targetPoint.Y = Math.Abs(targetPoint.Y - Tools.m_PreviousPoint.Y);
Graphics.FromImage(temporyImage).Clear(Color.Empty);
switch (m_ToolSize)
{
case ToolSize.Size_1:
DrawRoundRectangle(Graphics.FromImage(temporyImage), colorType, new Rectangle(staticPoint.X, staticPoint.Y, targetPoint.X, targetPoint.Y), 8);
break;
case ToolSize.Size_2:
DrawRoundRectangle(Graphics.FromImage(temporyImage), colorType, new Rectangle(staticPoint.X, staticPoint.Y, targetPoint.X, targetPoint.Y), 8, true, true);
break;
case ToolSize.Size_3:
DrawRoundRectangle(Graphics.FromImage(temporyImage), colorType, new Rectangle(staticPoint.X, staticPoint.Y, targetPoint.X, targetPoint.Y), 8, true, false);
break;
}
}
break;
case MouseStateType.MouseUp:
{
m_TempImageUsed = false;
Point staticPoint = new Point((Tools.m_PreviousPoint.X < targetPoint.X) ? Tools.m_PreviousPoint.X : targetPoint.X, (Tools.m_PreviousPoint.Y < targetPoint.Y) ? Tools.m_PreviousPoint.Y : targetPoint.Y);
targetPoint.X = Math.Abs(targetPoint.X - Tools.m_PreviousPoint.X);
targetPoint.Y = Math.Abs(targetPoint.Y - Tools.m_PreviousPoint.Y);
switch (m_ToolSize)
{
case ToolSize.Size_1:
DrawRoundRectangle(Graphics.FromImage(sourceBitmap), colorType, new Rectangle(staticPoint.X, staticPoint.Y, targetPoint.X, targetPoint.Y), 8);
break;
case ToolSize.Size_2:
DrawRoundRectangle(Graphics.FromImage(sourceBitmap), colorType, new Rectangle(staticPoint.X, staticPoint.Y, targetPoint.X, targetPoint.Y), 8, true, true);
break;
case ToolSize.Size_3:
DrawRoundRectangle(Graphics.FromImage(sourceBitmap), colorType, new Rectangle(staticPoint.X, staticPoint.Y, targetPoint.X, targetPoint.Y), 8, true, false);
break;
}
m_PreviousPoint = Point.Empty;
m_MouseState = MouseStateType.MouseUp;
break;
}
}
}
//绘制多边形
public static void DrawPolygon(Graphics g, Color color, bool bISolid = false, bool bIsWhiteSolid = false, bool bIsCloseFigure = true,int iSize = 1)
{
m_TempImageUsed = false;
GraphicsPath tempGraphicsPath = new GraphicsPath();
if (1 < m_PointList.Count)
{
tempGraphicsPath.AddLines(Tools.m_PointList.ToArray());
if (bIsCloseFigure)
{
tempGraphicsPath.CloseFigure();
}
if (bISolid)
{
if (!bIsWhiteSolid)
{
g.FillPath(new SolidBrush(color), tempGraphicsPath);
return;
}
g.FillPath(Brushes.White, tempGraphicsPath);
}
g.DrawPath(new Pen(color, iSize), tempGraphicsPath);
}
}
//绘制圆角矩形
public static void DrawRoundRectangle(Graphics g, Color color, Rectangle rect, int cornerRadius, bool bISolid = false, bool bIsWhiteSolid = false)
{
GraphicsPath tempGraphicsPath = CreateRoundedRectanglePath(rect, cornerRadius);
if (bISolid)
{
if (!bIsWhiteSolid)
{
g.FillPath(new SolidBrush(color), tempGraphicsPath);
return;
}
g.FillPath(Brushes.White, tempGraphicsPath);
}
g.DrawPath(new Pen(color), tempGraphicsPath);
}
//生成圆角矩形区域
internal static GraphicsPath CreateRoundedRectanglePath(Rectangle rect, float cornerRadius)
{
GraphicsPath roundedRect = new GraphicsPath();
int iLen = rect.Height;
if (rect.Height > rect.Width)
{
iLen = rect.Width;
}
if (iLen < 2 * cornerRadius)
{
roundedRect.AddEllipse(rect);
return roundedRect;
}
roundedRect.AddArc(rect.X, rect.Y, cornerRadius * 2, cornerRadius * 2, 180, 90);
roundedRect.AddArc(rect.X + rect.Width - cornerRadius * 2, rect.Y, cornerRadius * 2, cornerRadius * 2, 270, 90);
roundedRect.AddArc(rect.X + rect.Width - cornerRadius * 2, rect.Y + rect.Height - cornerRadius * 2, cornerRadius * 2, cornerRadius * 2, 0, 90);
roundedRect.AddArc(rect.X, rect.Bottom - cornerRadius * 2, cornerRadius * 2, cornerRadius * 2, 90, 90);
roundedRect.CloseFigure();
return roundedRect;
}
}
}