/// <summary>获取验证码图片信息</summary> /// <returns>验证码图片信息</returns> public VerifyCodeImageInfo GetVerifyCodeImageInfo() { var vcii = new VerifyCodeImageInfo(); vcii.Text = this.GetVerifyCode(5); vcii.ImageWidth = WebGet.GetInt("w", 200); vcii.ImageHeight = WebGet.GetInt("h", 80); var tc = WebGet.GetString("tc"); if (tc.IsNullOrEmpty_()) { vcii.TextColor = Color.Empty; vcii.RandomTextColor = true; } else { vcii.TextColor = ColorTranslator.FromHtml(tc); vcii.RandomTextColor = WebGet.GetString("r").ToBool_(); } var bc = WebGet.GetString("bc"); vcii.BackgroundColor = bc.IsNullOrEmpty_() ? Color.White : ColorTranslator.FromHtml(bc); vcii.ImageFormat = ImageFormat.Png; this.CreateVerifyCodeImage(vcii); return(vcii); }
/// <summary>创建验证码图片</summary> /// <param name="verifyCodeImageInfo">验证码图片信息</param> public void CreateVerifyCodeImage(VerifyCodeImageInfo verifyCodeImageInfo) { int textLength = verifyCodeImageInfo.Text.Length; if(textLength == 0 || verifyCodeImageInfo.ImageWidth == 0 || verifyCodeImageInfo.ImageHeight == 0) return; using(Bitmap img = new Bitmap(verifyCodeImageInfo.ImageWidth, verifyCodeImageInfo.ImageHeight, PixelFormat.Format32bppArgb)) { using(GraphicsPath p = new GraphicsPath()) { using(Graphics g = Graphics.FromImage(img)) { g.SmoothingMode = SmoothingMode.AntiAlias; g.Clear(verifyCodeImageInfo.BackgroundColor); int charSize = (int)(Math.Min(verifyCodeImageInfo.ImageHeight, (int)(verifyCodeImageInfo.ImageWidth / textLength)) * 0.8); PointF charPoint = new PointF(); int halfCharSize = (int)(charSize * 0.5f); int paddingHeight = (int)(verifyCodeImageInfo.ImageHeight * 0.8) - charSize; using(Matrix matrix = new Matrix()) { using(Pen pen = new Pen(Color.Empty)) { using(StringFormat format = new StringFormat()) { format.Alignment = StringAlignment.Near; format.LineAlignment = StringAlignment.Near; FontFamily f; for(int i = 0; i < textLength; i++) { charPoint.X = (float)(i * charSize + Utils.Rand((int)(charSize * 0.2f), (int)(charSize * 0.8f))); charPoint.Y = (float)Utils.Rand(2, paddingHeight); p.Reset(); float fs = charSize * Utils.Rand(80, 120) * 0.01f; f = GetFontFamily(verifyCodeImageInfo.Fonts); p.AddString(verifyCodeImageInfo.Text[i].ToString(), f, 0, fs, new Point(0, 0), format); matrix.Reset(); matrix.RotateAt((float)Utils.Rand(-60, 60), new PointF(charPoint.X + halfCharSize, charPoint.Y + halfCharSize)); matrix.Translate(charPoint.X, charPoint.Y); p.Transform(matrix); pen.Color = GetTextColor(verifyCodeImageInfo.RandomTextColor, verifyCodeImageInfo.TextColor); pen.Width = Utils.Rand(1, 2); g.DrawPath(pen, p); g.DrawBezier(pen, Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight)); } } pen.Color = GetTextColor(verifyCodeImageInfo.RandomTextColor, verifyCodeImageInfo.TextColor); pen.Width = Utils.Rand(1, 2); g.DrawBezier(pen, Utils.Rand(verifyCodeImageInfo.ImageWidth), 0, Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), verifyCodeImageInfo.ImageHeight); pen.Width = Utils.Rand(1, 2); pen.Color = GetTextColor(verifyCodeImageInfo.RandomTextColor, verifyCodeImageInfo.TextColor); g.DrawBezier(pen, 0, Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), verifyCodeImageInfo.ImageWidth, Utils.Rand(verifyCodeImageInfo.ImageHeight)); } } } } verifyCodeImageInfo.ImageData = img.Clone() as Image; } }
/// <summary>获取验证码图片信息</summary> /// <returns>验证码图片信息</returns> public VerifyCodeImageInfo GetVerifyCodeImageInfo() { var vcii = new VerifyCodeImageInfo(); vcii.Text = this.GetVerifyCode(5); vcii.ImageWidth = WebGet.GetInt("w", 200); vcii.ImageHeight = WebGet.GetInt("h", 80); var tc = WebGet.GetString("tc"); if(tc.IsNullOrEmpty_()) { vcii.TextColor = Color.Empty; vcii.RandomTextColor = true; } else { vcii.TextColor = ColorTranslator.FromHtml(tc); vcii.RandomTextColor = WebGet.GetString("r").ToBool_(); } var bc = WebGet.GetString("bc"); vcii.BackgroundColor = bc.IsNullOrEmpty_() ? Color.White : ColorTranslator.FromHtml(bc); vcii.ImageFormat = ImageFormat.Png; this.CreateVerifyCodeImage(vcii); return vcii; }
/// <summary>创建验证码图片</summary> /// <param name="verifyCodeImageInfo">验证码图片信息</param> public void CreateVerifyCodeImage(VerifyCodeImageInfo verifyCodeImageInfo) { int textLength = verifyCodeImageInfo.Text.Length; if(textLength == 0 || verifyCodeImageInfo.ImageWidth == 0 || verifyCodeImageInfo.ImageHeight == 0) return; using(var img = new Bitmap(verifyCodeImageInfo.ImageWidth, verifyCodeImageInfo.ImageHeight, PixelFormat.Format32bppArgb)) { using(var g = Graphics.FromImage(img)) { g.SmoothingMode = SmoothingMode.AntiAlias; g.Clear(verifyCodeImageInfo.BackgroundColor); int charSize = (int)(Math.Min(verifyCodeImageInfo.ImageHeight, (int)(verifyCodeImageInfo.ImageWidth / textLength)) * 0.8); PointF charPoint = new PointF(); int halfCharSize = (int)(charSize * 0.5f); int paddingHeight = (int)(verifyCodeImageInfo.ImageHeight * 0.6) - charSize; using(var matrix = new Matrix()) { using(var pen = new Pen(Color.Empty)) { pen.Width = 1f; using(var b = new SolidBrush(verifyCodeImageInfo.TextColor)) { using(var format = new StringFormat()) { format.Alignment = StringAlignment.Near; format.LineAlignment = StringAlignment.Near; Font f; for(int i = 0; i < textLength; i++) { // 位置 charPoint.X += i == 0 ? charSize * 0.2f : charSize * 1.1f;// (float)(i * charSize); charPoint.Y = (float)Utils.Rand(4, paddingHeight); // 旋转 matrix.Reset(); matrix.RotateAt((float)Utils.Rand(-20, 20), new PointF(charPoint.X + halfCharSize, charPoint.Y + halfCharSize)); //matrix.Translate(charPoint.X, charPoint.Y); g.Transform = matrix; b.Color = pen.Color = GetTextColor(verifyCodeImageInfo.RandomTextColor, verifyCodeImageInfo.TextColor); // 字符大小 float fs = charSize * Utils.Rand(80, 120) * 0.01f; f = new Font(GetFontFamily(verifyCodeImageInfo.Fonts), fs); g.DrawString(verifyCodeImageInfo.Text[i].ToString(), f, b, charPoint, format); f.Dispose(); g.ResetTransform(); // 使用字符相同颜色随机绘制曲线 //pen.Width = Utils.Rand(1, 2); g.DrawBezier(pen, Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight)); } // 绘制随机纵向曲线 pen.Color = GetTextColor(verifyCodeImageInfo.RandomTextColor, verifyCodeImageInfo.TextColor); //pen.Width = Utils.Rand(1, 2); g.DrawBezier(pen, Utils.Rand(verifyCodeImageInfo.ImageWidth), 0, Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), verifyCodeImageInfo.ImageHeight); // 绘制随机横向曲线 //pen.Width = Utils.Rand(1, 2); pen.Color = GetTextColor(verifyCodeImageInfo.RandomTextColor, verifyCodeImageInfo.TextColor); g.DrawBezier(pen, 0, Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), verifyCodeImageInfo.ImageWidth, Utils.Rand(verifyCodeImageInfo.ImageHeight)); } } } } } verifyCodeImageInfo.ImageData = img.Clone() as Image; } }
/// <summary>创建验证码图片</summary> /// <param name="verifyCodeImageInfo">验证码图片信息</param> public void CreateVerifyCodeImage(VerifyCodeImageInfo verifyCodeImageInfo) { int textLength = verifyCodeImageInfo.Text.Length; if (textLength == 0 || verifyCodeImageInfo.ImageWidth == 0 || verifyCodeImageInfo.ImageHeight == 0) { return; } using (Bitmap img = new Bitmap(verifyCodeImageInfo.ImageWidth, verifyCodeImageInfo.ImageHeight, PixelFormat.Format32bppArgb)) { using (GraphicsPath p = new GraphicsPath()) { using (Graphics g = Graphics.FromImage(img)) { g.SmoothingMode = SmoothingMode.AntiAlias; g.Clear(verifyCodeImageInfo.BackgroundColor); int charSize = (int)(Math.Min(verifyCodeImageInfo.ImageHeight, (int)(verifyCodeImageInfo.ImageWidth / textLength)) * 0.8); PointF charPoint = new PointF(); int halfCharSize = (int)(charSize * 0.5f); int paddingHeight = (int)(verifyCodeImageInfo.ImageHeight * 0.8) - charSize; using (Matrix matrix = new Matrix()) { using (Pen pen = new Pen(Color.Empty)) { using (StringFormat format = new StringFormat()) { format.Alignment = StringAlignment.Near; format.LineAlignment = StringAlignment.Near; FontFamily f; for (int i = 0; i < textLength; i++) { charPoint.X = (float)(i * charSize + Utils.Rand((int)(charSize * 0.2f), (int)(charSize * 0.8f))); charPoint.Y = (float)Utils.Rand(2, paddingHeight); p.Reset(); float fs = charSize * Utils.Rand(80, 120) * 0.01f; f = GetFontFamily(verifyCodeImageInfo.Fonts); p.AddString(verifyCodeImageInfo.Text[i].ToString(), f, 0, fs, new Point(0, 0), format); matrix.Reset(); matrix.RotateAt((float)Utils.Rand(-60, 60), new PointF(charPoint.X + halfCharSize, charPoint.Y + halfCharSize)); matrix.Translate(charPoint.X, charPoint.Y); p.Transform(matrix); pen.Color = GetTextColor(verifyCodeImageInfo.RandomTextColor, verifyCodeImageInfo.TextColor); pen.Width = Utils.Rand(1, 2); g.DrawPath(pen, p); g.DrawBezier(pen, Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight)); } } pen.Color = GetTextColor(verifyCodeImageInfo.RandomTextColor, verifyCodeImageInfo.TextColor); pen.Width = Utils.Rand(1, 2); g.DrawBezier(pen, Utils.Rand(verifyCodeImageInfo.ImageWidth), 0, Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), verifyCodeImageInfo.ImageHeight); pen.Width = Utils.Rand(1, 2); pen.Color = GetTextColor(verifyCodeImageInfo.RandomTextColor, verifyCodeImageInfo.TextColor); g.DrawBezier(pen, 0, Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), verifyCodeImageInfo.ImageWidth, Utils.Rand(verifyCodeImageInfo.ImageHeight)); } } } } verifyCodeImageInfo.ImageData = img.Clone() as Image; } }
/// <summary>创建验证码图片</summary> /// <param name="verifyCodeImageInfo">验证码图片信息</param> public void CreateVerifyCodeImage(VerifyCodeImageInfo verifyCodeImageInfo) { int textLength = verifyCodeImageInfo.Text.Length; if (textLength == 0 || verifyCodeImageInfo.ImageWidth == 0 || verifyCodeImageInfo.ImageHeight == 0) { return; } using (var img = new Bitmap(verifyCodeImageInfo.ImageWidth, verifyCodeImageInfo.ImageHeight, PixelFormat.Format32bppArgb)) { using (var g = Graphics.FromImage(img)) { g.SmoothingMode = SmoothingMode.AntiAlias; g.Clear(verifyCodeImageInfo.BackgroundColor); int charSize = (int)(Math.Min(verifyCodeImageInfo.ImageHeight, (int)(verifyCodeImageInfo.ImageWidth / textLength)) * 0.8); PointF charPoint = new PointF(); int halfCharSize = (int)(charSize * 0.5f); int paddingHeight = (int)(verifyCodeImageInfo.ImageHeight * 0.6) - charSize; using (var matrix = new Matrix()) { using (var pen = new Pen(Color.Empty)) { pen.Width = 1f; using (var b = new SolidBrush(verifyCodeImageInfo.TextColor)) { using (var format = new StringFormat()) { format.Alignment = StringAlignment.Near; format.LineAlignment = StringAlignment.Near; Font f; for (int i = 0; i < textLength; i++) { // 位置 charPoint.X += i == 0 ? charSize * 0.2f : charSize * 1.1f; // (float)(i * charSize); charPoint.Y = (float)Utils.Rand(4, paddingHeight); // 旋转 matrix.Reset(); matrix.RotateAt((float)Utils.Rand(-20, 20), new PointF(charPoint.X + halfCharSize, charPoint.Y + halfCharSize)); //matrix.Translate(charPoint.X, charPoint.Y); g.Transform = matrix; b.Color = pen.Color = GetTextColor(verifyCodeImageInfo.RandomTextColor, verifyCodeImageInfo.TextColor); // 字符大小 float fs = charSize * Utils.Rand(80, 120) * 0.01f; f = new Font(GetFontFamily(verifyCodeImageInfo.Fonts), fs); g.DrawString(verifyCodeImageInfo.Text[i].ToString(), f, b, charPoint, format); f.Dispose(); g.ResetTransform(); // 使用字符相同颜色随机绘制曲线 //pen.Width = Utils.Rand(1, 2); g.DrawBezier(pen, Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight)); } // 绘制随机纵向曲线 pen.Color = GetTextColor(verifyCodeImageInfo.RandomTextColor, verifyCodeImageInfo.TextColor); //pen.Width = Utils.Rand(1, 2); g.DrawBezier(pen, Utils.Rand(verifyCodeImageInfo.ImageWidth), 0, Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), verifyCodeImageInfo.ImageHeight); // 绘制随机横向曲线 //pen.Width = Utils.Rand(1, 2); pen.Color = GetTextColor(verifyCodeImageInfo.RandomTextColor, verifyCodeImageInfo.TextColor); g.DrawBezier(pen, 0, Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), Utils.Rand(verifyCodeImageInfo.ImageWidth), Utils.Rand(verifyCodeImageInfo.ImageHeight), verifyCodeImageInfo.ImageWidth, Utils.Rand(verifyCodeImageInfo.ImageHeight)); } } } } } verifyCodeImageInfo.ImageData = img.Clone() as Image; } }