private void DoInstructions(Single recX, Single recY, Single recWidth, Single recHeight, Pen p)
{
BorderStyleEnum ls = getLineStyle(p);
switch (p.Brush.GetType().Name)
{
case "SolidBrush":
System.DrawingCore.SolidBrush theBrush = (System.DrawingCore.SolidBrush)p.Brush;
PageRectangle pl = new PageRectangle();
pl.X = X + recX * SCALEFACTOR;
pl.Y = Y + recY * SCALEFACTOR;
pl.W = recWidth * SCALEFACTOR;
pl.H = recHeight * SCALEFACTOR;
StyleInfo SI = new StyleInfo();
SI.Color = theBrush.Color;
SI.BColorTop = SI.BColorBottom = SI.BColorLeft = SI.BColorRight = theBrush.Color;
SI.BStyleTop = SI.BStyleBottom = SI.BStyleLeft = SI.BStyleRight = ls;
SI.BWidthTop = SI.BWidthBottom = SI.BWidthLeft = SI.BWidthRight = p.Width * SCALEFACTOR;
pl.SI = SI;
items.Add(pl);
break;
default:
break;
}
}
private void DoInstructions(Single Xp, Single Yp, Single Wid, Single Hgt, Brush b)
{
switch (b.GetType().Name)
{
case "SolidBrush":
System.DrawingCore.SolidBrush theBrush = (System.DrawingCore.SolidBrush)b;
Color col = theBrush.Color;
PageEllipse pl = new PageEllipse();
pl.X = X + Xp * SCALEFACTOR;
pl.Y = Y + Yp * SCALEFACTOR;
pl.W = Wid * SCALEFACTOR;
pl.H = Hgt * SCALEFACTOR;
StyleInfo SI = new StyleInfo();
SI.BackgroundColor = col;
pl.SI = SI;
items.Add(pl);
//Lines.AppendFormat("\r\n"); //CrLf
//Lines.AppendFormat("q\t"); //Push graphics state onto stack
//Lines.AppendFormat("{0} w\t", 1 * ScaleX); //set width of path
//Lines.AppendFormat("{0} {1} {2} RG\t", Math.Round(theBrush.Color.R / 255.0, 3), Math.Round(theBrush.Color.G / 255.0, 3), Math.Round(theBrush.Color.B / 255.0, 3)); //Set RGB colours
//Lines.AppendFormat("{0} {1} {2} rg\t", Math.Round(theBrush.Color.R / 255.0, 3), Math.Round(theBrush.Color.G / 255.0, 3), Math.Round(theBrush.Color.B / 255.0, 3)); //Set RGB colours
////Need some bezier curves to draw an ellipse.. we can't draw a circle, but we can get close.
//Double k = 0.5522847498;
//Double RadiusX = (Wid / 2.0) * ScaleX;
//Double RadiusY = (Hgt / 2.0) * ScaleY;
//Double Y4 = Y + Height - Yp * ScaleY;
//Double X1 = Xp * ScaleX + X;
//Double Y1 = Y4 - RadiusY;
//Double X4 = X1 + RadiusX;
//Lines.AppendFormat("{0} {1} m\t", X1, Y1);//FirstPoint..
//Double kRy = k * RadiusY;
//Double kRx = k * RadiusX;
////Control Point 1 will be on the same X as point 1 and be -kRy Y
//Double X2 = X1;
//Double Y2 = Y1 + kRy;
//Double X3 = X4 - kRx;
//Double Y3 = Y4;
//Lines.AppendFormat("{0} {1} {2} {3} {4} {5} c\t", X2, Y2, X3, Y3, X4, Y4); //Upper Left Quadrant
//X1 += 2 * RadiusX;
//X2 = X1;
//X3 += 2 * kRx;
//Lines.AppendFormat("{0} {1} {2} {3} {4} {5} c\t", X3, Y3, X2, Y2, X1, Y1); //Upper Right Quadrant
//Y2 -= 2 * kRy;
//Y3 -= 2 * RadiusY;
//Y4 = Y3;
//Lines.AppendFormat("{0} {1} {2} {3} {4} {5} c\t", X2, Y2, X3, Y3, X4, Y4); //Lower Right Quadrant
//X1 -= 2 * RadiusX;
//X2 = X1;
//X3 -= 2 * kRx;
//Lines.AppendFormat("{0} {1} {2} {3} {4} {5} c\t", X3, Y3, X2, Y2, X1, Y1); //Lower Right Quadrant
//Lines.AppendFormat("f\t");//fill path
//Lines.AppendFormat("Q\t");//Pop graphics state from stack
break;
}
}
private void DoInstructions(Single recX, Single recY, Single recWidth, Single recHeight, Brush b, Single StartAngle, Single SweepAngle)
{
PagePie pl = new PagePie();
pl.StartAngle = StartAngle;
pl.SweepAngle = SweepAngle;
StyleInfo SI = new StyleInfo();
pl.X = X + recX * SCALEFACTOR;
pl.Y = Y + recY * SCALEFACTOR;
pl.W = recWidth * SCALEFACTOR;
pl.H = recHeight * SCALEFACTOR;
switch (b.GetType().Name)
{
case "SolidBrush":
System.DrawingCore.SolidBrush theBrush = (System.DrawingCore.SolidBrush)b;
SI.Color = theBrush.Color;
SI.BackgroundColor = theBrush.Color;
break;
case "LinearGradientBrush":
System.DrawingCore.Drawing2D.LinearGradientBrush linBrush = (System.DrawingCore.Drawing2D.LinearGradientBrush)b;
SI.BackgroundGradientType = BackgroundGradientTypeEnum.LeftRight;
SI.BackgroundColor = linBrush.LinearColors[0];
SI.BackgroundGradientEndColor = linBrush.LinearColors[1];
break;
case "HatchBrush":
System.DrawingCore.Drawing2D.HatchBrush hatBrush = (System.DrawingCore.Drawing2D.HatchBrush)b;
SI.BackgroundColor = hatBrush.BackgroundColor;
SI.Color = hatBrush.ForegroundColor;
SI.PatternType = StyleInfo.GetPatternType(hatBrush.HatchStyle);
break;
default:
break;
}
pl.SI = SI;
items.Add(pl);
}
private void DoInstructions(PointF[] points, Pen p, UInt32 Offset, UInt32 NumberOfPoints, float Tension)
{
BorderStyleEnum ls = getLineStyle(p);
//Well we only draw lines at the moment....
switch (p.Brush.GetType().Name)
{
case "SolidBrush":
System.DrawingCore.SolidBrush theBrush = (System.DrawingCore.SolidBrush)p.Brush;
PageCurve pc = new PageCurve();
for (int i = 0; i < points.Length; i++)
{
points[i].X = X + points[i].X * SCALEFACTOR;
points[i].Y = Y + points[i].Y * SCALEFACTOR;
}
pc.Points = points;
pc.Offset = (int)Offset;
pc.Tension = Tension;
StyleInfo SI = new StyleInfo();
SI.Color = theBrush.Color;
SI.BColorTop = theBrush.Color;
SI.BStyleTop = ls;
SI.BWidthTop = p.Width * SCALEFACTOR;
SI.BColorBottom = theBrush.Color;
SI.BStyleBottom = ls;
SI.BWidthBottom = p.Width * SCALEFACTOR;
SI.BColorLeft = theBrush.Color;
SI.BStyleLeft = ls;
SI.BWidthLeft = p.Width * SCALEFACTOR;
SI.BColorRight = theBrush.Color;
SI.BStyleRight = ls;
SI.BWidthRight = p.Width * SCALEFACTOR;
pc.SI = SI;
items.Add(pc);
break;
default:
break;
}
}
private void DoInstructions(PointF[] Ps, Brush b)
{
PagePolygon pl = new PagePolygon();
//pl.X = X * SCALEFACTOR;
//pl.Y = Y * SCALEFACTOR;
pl.Points = Ps;
StyleInfo SI = new StyleInfo();
switch (b.GetType().Name)
{
case "SolidBrush":
System.DrawingCore.SolidBrush theBrush = (System.DrawingCore.SolidBrush)b;
SI.Color = theBrush.Color;
SI.BackgroundColor = theBrush.Color;
break;
case "LinearGradientBrush":
System.DrawingCore.Drawing2D.LinearGradientBrush linBrush = (System.DrawingCore.Drawing2D.LinearGradientBrush)b;
SI.BackgroundGradientType = BackgroundGradientTypeEnum.LeftRight;
SI.BackgroundColor = linBrush.LinearColors[0];
SI.BackgroundGradientEndColor = linBrush.LinearColors[1];
break;
case "HatchBrush":
System.DrawingCore.Drawing2D.HatchBrush hatBrush = (System.DrawingCore.Drawing2D.HatchBrush)b;
SI.BackgroundColor = hatBrush.BackgroundColor;
SI.Color = hatBrush.ForegroundColor;
SI.PatternType = StyleInfo.GetPatternType(hatBrush.HatchStyle);
break;
default:
break;
}
pl.SI = SI;
items.Add(pl);
}
private void DoInstructions(Single Xa, Single Xb, Single Ya, Single Yb, Pen p)
{
BorderStyleEnum ls = getLineStyle(p);
switch (p.Brush.GetType().Name)
{
case "SolidBrush":
System.DrawingCore.SolidBrush theBrush = (System.DrawingCore.SolidBrush)p.Brush;
PageLine pl = new PageLine();
pl.X = X + Xa * SCALEFACTOR;
pl.Y = Y + Ya * SCALEFACTOR;
pl.X2 = X + Xb * SCALEFACTOR;
pl.Y2 = Y + Yb * SCALEFACTOR;
StyleInfo SI = new StyleInfo();
SI.Color = theBrush.Color;
SI.BColorTop = theBrush.Color;
SI.BStyleTop = ls;
SI.BWidthTop = p.Width * SCALEFACTOR;
SI.BColorBottom = theBrush.Color;
SI.BStyleBottom = ls;
SI.BWidthBottom = p.Width * SCALEFACTOR;
SI.BColorLeft = theBrush.Color;
SI.BStyleLeft = ls;
SI.BWidthLeft = p.Width * SCALEFACTOR;
SI.BColorRight = theBrush.Color;
SI.BStyleRight = ls;
SI.BWidthRight = p.Width * SCALEFACTOR;
pl.SI = SI;
items.Add(pl);
break;
default:
break;
}
}
/// <summary>
/// 生成验证码
/// </summary>
/// <param name="checkCode"></param>
/// <returns></returns>
public static MemoryStream GenerateCheckCode(out string checkCode)
{
checkCode = string.Empty;
//颜色列表，用于验证码、噪线、噪点
Color color = ColorTranslator.FromHtml("#1AE61A");
//验证码的字符集，去掉了一些容易混淆的字符
char[] character = { '2', '3', '4', '5', '6', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'J', 'K', 'L', 'M', 'N', 'P', 'R', 'S', 'T', 'W', 'X', 'Y' };
Random rnd = new Random();
//生成验证码字符串
for (int i = 0; i < 4; i++)
{
checkCode += character[rnd.Next(character.Length)];
}
int iwidth = 130;
Bitmap image = new Bitmap(iwidth, 38);
Graphics g = Graphics.FromImage(image);
Random random = new Random(System.DateTime.Now.Millisecond);
Brush b = new System.DrawingCore.SolidBrush(Color.FromArgb(4683611));
g.Clear(ColorTranslator.FromHtml("#EBFDDF"));
using (StringFormat format = new StringFormat())
{
format.Alignment = StringAlignment.Center;
format.LineAlignment = StringAlignment.Center;
format.FormatFlags = StringFormatFlags.NoWrap;
Matrix matrix = new Matrix();
float offsetx = -25, offsety = 0;
g.SmoothingMode = SmoothingMode.AntiAlias;
for (int i = 0; i < checkCode.Length; i++)
{
int fsize = random.Next(20, 24);
Font f = CreateFont(IOHelper.GetMapPath("/Fonts/CheckCode.ttf"), fsize, FontStyle.Bold, GraphicsUnit.Point, 0);
SizeF size = g.MeasureString(checkCode[i].ToString(), f);
matrix.RotateAt(random.Next(-15, 10), new PointF(offsetx + size.Width / 2, offsety + size.Height / 2));
g.Transform = matrix;
g.DrawString(
checkCode[i].ToString(),
f,
Brushes.Green,
new RectangleF(
offsetx,
offsety,
image.Width,
image.Height),
format);
//g.DrawString(checkCode, f, b, 3, 3);
offsetx += size.Width * 3 / 5;
offsety += -0;
g.RotateTransform(0);
matrix.Reset();
f.Dispose();
}
}
Pen blackPen = new Pen(Color.Black, 0);
//将验证码图片写入内存流，并将其以 "image/Png" 格式输出
MemoryStream ms = new MemoryStream();
try
{
image.Save(ms, ImageFormat.Png);
return(ms);
}
finally
{
//显式释放资源
image.Dispose();
g.Dispose();
}
}
private void DoEllipse(Pen p, Single Xp, Single Yp, Single Wid, Single Hgt)
{
BorderStyleEnum ls = getLineStyle(p);
Color col = Color.Black;
if (p.Brush.GetType().Name.Equals("SolidBrush"))
{
System.DrawingCore.SolidBrush theBrush = (System.DrawingCore.SolidBrush)p.Brush;
col = theBrush.Color;
}
PageEllipse pl = new PageEllipse();
pl.X = X + Xp * SCALEFACTOR;
pl.Y = Y + Yp * SCALEFACTOR;
pl.W = Wid * SCALEFACTOR;
pl.H = Hgt * SCALEFACTOR;
StyleInfo SI = new StyleInfo();
SI.Color = col;
SI.BColorTop = col;
SI.BStyleTop = ls;
SI.BWidthTop = p.Width * SCALEFACTOR;
pl.SI = SI;
items.Add(pl);
//Lines.AppendFormat("\r\n"); //CrLf
//Lines.AppendFormat("q\t"); //Push graphics state onto stack
//Lines.AppendFormat("{0} w\t", p.Width * ScaleX); //set width of path
//Lines.AppendFormat("{0} \t", linestyle); //line style from pen...
//Lines.AppendFormat("{0} {1} {2} RG\t", Math.Round(R / 255.0, 3), Math.Round(G / 255.0, 3), Math.Round(B / 255.0, 3)); //Set RGB colours
//Lines.AppendFormat("{0} {1} {2} rg\t", Math.Round(R / 255.0, 3), Math.Round(G / 255.0, 3), Math.Round(B / 255.0, 3)); //Set RGB colours
////Need some bezier curves to draw an ellipse.. we can't draw a circle, but we can get close.
//Double k = 0.5522847498;
//Double RadiusX = (Wid / 2.0) * ScaleX;
//Double RadiusY = (Hgt / 2.0) * ScaleY;
//Double Y4 = Y + Height - Yp * ScaleY;
//Double X1 = Xp * ScaleX + X;
//Double Y1 = Y4 - RadiusY;
//Double X4 = X1 + RadiusX;
//Lines.AppendFormat("{0} {1} m\t", X1, Y1);//FirstPoint..
//Double kRy = k * RadiusY;
//Double kRx = k * RadiusX;
////Control Point 1 will be on the same X as point 1 and be -kRy Y
//Double X2 = X1;
//Double Y2 = Y1 + kRy;
//Double X3 = X4 - kRx;
//Double Y3 = Y4;
//Lines.AppendFormat("{0} {1} {2} {3} {4} {5} c\t", X2, Y2, X3, Y3, X4, Y4); //Upper Left Quadrant
//X1 += 2 * RadiusX;
//X2 = X1;
//X3 += 2 * kRx;
//Lines.AppendFormat("{0} {1} {2} {3} {4} {5} c\t", X3, Y3, X2, Y2, X1, Y1); //Upper Right Quadrant
//Y2 -= 2 * kRy;
//Y3 -= 2 * RadiusY;
//Y4 = Y3;
//Lines.AppendFormat("{0} {1} {2} {3} {4} {5} c\t", X2, Y2, X3, Y3, X4, Y4); //Lower Right Quadrant
//X1 -= 2 * RadiusX;
//X2 = X1;
//X3 -= 2 * kRx;
//Lines.AppendFormat("{0} {1} {2} {3} {4} {5} c\t", X3, Y3, X2, Y2, X1, Y1); //Lower Right Quadrant
//Lines.AppendFormat("S\t");//Stroke path
//Lines.AppendFormat("Q\t");//Pop graphics state from stack
}
/// <summary>
/// 创建验证码的图片
/// </summary>
/// <param name="validateCode">验证码</param>
/// <param name="height">图片高度</param>
/// <param name="rightOffsetWidth">文字的右边偏移量宽度</param>
/// <returns></returns>
public static byte[] CreateValidateGraphic(string validateCode, int height, int leftOffsetWidth, int rightOffsetWidth)
{
int randAngle = 45; //随机转动角度
int mapwidth = (int)(validateCode.Length * 24) + leftOffsetWidth + rightOffsetWidth;
Bitmap image = new Bitmap(mapwidth, height); //创建图片背景
Graphics graph = Graphics.FromImage(image);
try
{
graph.Clear(Color.AliceBlue);//清除画面，填充背景
Random rand = new Random();
//验证码旋转，防止机器识别
char[] chars = validateCode.ToCharArray();//拆散字符串成单字符数组
//文字距中
StringFormat format = new StringFormat(StringFormatFlags.NoClip);
format.Alignment = StringAlignment.Center;
format.LineAlignment = StringAlignment.Center;
//定义颜色
Color[] c = { Color.Black, Color.Red, Color.DarkBlue, Color.Green, Color.Orange, Color.Brown, Color.DarkCyan, Color.Purple };
//定义字体
string[] font = { "Verdana", "Microsoft Sans Serif", "Comic Sans MS", "Arial", "宋体" };
int cindex = rand.Next(7);
for (int i = 0; i < chars.Length; i++)
{
int findex = rand.Next(5);
Font f = new System.DrawingCore.Font(font[findex], 20, System.DrawingCore.FontStyle.Bold);//字体样式(参数2为字体大小)
Brush b = new System.DrawingCore.SolidBrush(c[cindex]);
Point dot = new Point(20, 12);
//graph.DrawString(dot.X.ToString(),fontstyle,new SolidBrush(Color.Black),10,150);//测试X坐标显示间距的
float angle = rand.Next(-randAngle, randAngle); //转动的度数
graph.TranslateTransform(dot.X, dot.Y); //移动光标到指定位置
graph.RotateTransform(angle);
graph.DrawString(chars[i].ToString(), f, b, 0, 5, format);
//graph.DrawString(chars[i].ToString(),fontstyle,new SolidBrush(Color.Blue),1,1,format);
graph.RotateTransform(-angle); //转回去
graph.TranslateTransform(-2, -dot.Y); //移动光标到指定位置，每个字符紧凑显示，避免被软件识别
}
Brush lb = new System.DrawingCore.SolidBrush(c[cindex]);
graph.TranslateTransform(-graph.Transform.OffsetX, -graph.Transform.OffsetY);
// graph.DrawLine(new Pen(Color.DarkGray, 3), 0, image.Height / 2, image.Width, image.Height / 2);
int x1 = 0;
int x2 = 0;
int y1 = 0;
int y2 = 0;
int lt = image.Width / 20;
int dy = 2;
//背景噪点生成
for (int i = 0; i < 30; i++)
{
x1 = i == 0 ? lt * i : x2;
y1 = i == 0 ? (image.Height / 2 + rand.Next(-dy, dy)) : y2;
x2 = x1 + lt;
y2 = image.Height / 2 + rand.Next(-dy, dy);
graph.DrawLine(new Pen(Color.DarkGray, 2), x1, y1, x2, y2);
}
//for (int i = 0; i < 0; i++)
//{
// int x11 = rand.Next(image.Width);
// int x12 = rand.Next(image.Width);
// int y11 = rand.Next(image.Height);
// int y12 = rand.Next(image.Height);
// graph.DrawLine(new Pen(Color.DarkGray), x11, y11, x12, y12);
//}
//生成图片
using (System.IO.MemoryStream ms = new System.IO.MemoryStream())
{
image.Save(ms, System.DrawingCore.Imaging.ImageFormat.Gif);
return(ms.ToArray());
}
}
finally
{
graph.Dispose();
image.Dispose();
}
}
