| Method Summary |
|
| public void | addFont(Font font)
Add fonts into fonts list. |
| static int | decode(String color)
|
| public String | getBgColor()
Get the background color of the captcha box (in string as #RRGGBB). |
| public int | getBgRGB()
Get the background color in int array (0: red, 1: green, 2:blue). |
| public CaptchaEngine | getCaptchaEngine()
Get the captcha engine. |
| public Font[] | getDefaultFonts()
Gets the default font list. |
| public String | getExclude()
Get exclude characters. |
| public Font | getFont(int j)
Get nth Font. |
| public String | getFontColor()
Gets font color. |
| public int | getFontRGB()
Get the font color in int array (0: red, 1: green, 2:blue). |
| public List | getFonts()
Gets fonts list, default provide two fonts. |
| public int | getIntHeight()
Get the captcha int height in pixel; to be used by the derived subclass. |
| public int | getIntWidth()
Get the captcha int width in pixel; to be used by the derived subclass. |
| public int | getLength()
Get length of the autogenerated text value; default to 5. |
| public String | getValue()
Get the text value of this captcha. |
| public boolean | isNoise()
Whether generate noise; default to true. |
| protected CaptchaEngine | newCaptchaEngine()
Instantiates the default captcha engine.
It is called, if
Captcha.setEngine is not called with non-null
engine.
By default, it looks up the component attribute called
captcha-engine. |
| public String | randomValue()
Regenerates new captcha text value and redraw. |
| public void | setBgColor(String color)
Set the background color of the chart. |
| public void | setEngine(String clsnm)
Sets the captcha engine by use of a class name. |
| public void | setEngine(CaptchaEngine engine)
Set the captcha engine. |
| public void | setExclude(String exclude)
Set exclude characters that will not be generated. |
| public void | setFontColor(String color)
Set font color. |
| public void | setHeight(String h)
Override super class to prepare the int height. |
| public void | setLength(int len)
Set length of the autogenerated text value; default to 5. |
| public void | setNoise(boolean b)
Wheather generate noise; default to true. |
| public void | setValue(String text)
Set the text value to be shown as the distortion captcha. |
| public void | setWidth(String w)
Override super class to prepare the int width. |
| protected void | smartDrawCaptcha()
mark a draw flag to inform that this Chart needs update. |
