C# Class Framework.Mvc.Captcha.CaptchaImage

CAPTCHA Image.

显示文件 Open project: coreframework/Core-Framework Class Usage Examples

Public Properties

Property	Type	Description
CaptchaImageGuidKey	String

Public Methods

Method	Description
GetCachedCaptcha ( String guid ) : CaptchaImage	Gets the cached captcha.
RenderImage ( ) : Bitmap	Forces a new Captcha image to be generated using current property value settings.

Private Methods

Method	Description
AddLine ( Graphics g, Rectangle rect ) : void	Add variable level of curved lines to the image.
AddNoise ( Graphics g, Rectangle rect ) : void	Add a variable level of graphic noise to the image.
CaptchaImage ( ) : System	Initializes static members of the CaptchaImage class.
GenerateImagePrivate ( ) : Bitmap	Renders the CAPTCHA image.
GenerateRandomText ( ) : String	Generate random text for the CAPTCHA.
GetFont ( ) : Font	Returns the CAPTCHA font in an appropriate size.
GetRandomColor ( ) : Color	Randoms the color.
GetRandomFontFamily ( ) : String	Returns a random font family from the font whitelist.
RandomPoint ( Rectangle rect ) : PointF	Returns a random point within the specified rectangle.
RandomPoint ( int xmin, int xmax, int ymin, int ymax ) : PointF	Returns a random point within the specified x and y ranges.
TextPath ( String s, Font f, Rectangle r ) : GraphicsPath	Returns a GraphicsPath containing the specified String and font.
WarpText ( GraphicsPath textPath, Rectangle rect ) : void	Warp the provided text GraphicsPath by a variable amount.

Method Details

GetCachedCaptcha() public static method

Gets the cached captcha.

public static GetCachedCaptcha ( String guid ) : CaptchaImage
guid	String	The GUID of the Captcha.
return	CaptchaImage

RenderImage() public method

Forces a new Captcha image to be generated using current property value settings.

public RenderImage ( ) : Bitmap
return	System.Drawing.Bitmap

Property Details

CaptchaImageGuidKey public_oe static_oe property

Captcha image guid key.

public static String CaptchaImageGuidKey
return	String