Module bus.extra

Package org.miaixz.bus.extra.captcha.provider

Class LineProvider

java.lang.Object

org.miaixz.bus.extra.captcha.AbstractProvider

org.miaixz.bus.extra.captcha.provider.LineProvider

All Implemented Interfaces:

Serializable, org.miaixz.bus.core.Provider, CaptchaProvider

public class LineProvider
extends AbstractProvider

CAPTCHA provider that uses interfering lines.

Since:

Java 17+

Author:

Kimi Liu

See Also:

• Serialized Form

Field Summary

Fields inherited from class org.miaixz.bus.extra.captcha.AbstractProvider

background, code, font, generator, height, imageBytes, interfereCount, textAlpha, width

Constructor Summary

Constructors

Constructor	Description
LineProvider(int width, int height)	Constructor with default 5-character code and 150 interfering lines.
LineProvider(int width, int height, int codeCount, int lineCount)	Constructor.
LineProvider(int width, int height, int codeCount, int interfereCount, float sizeBaseHeight)	Constructor.
LineProvider(int width, int height, CodeStrategy generator, int interfereCount)	Constructor.

Method Summary

Modifier and Type	Method	Description
Image	createImage(String code)	Creates the CAPTCHA image based on the generated code.

Methods inherited from class org.miaixz.bus.extra.captcha.AbstractProvider

create, generateCode, get, getGenerator, getImage, getImageBase64, getImageBase64Data, getImageBytes, setBackground, setFont, setGenerator, setTextAlpha, verify, write, write, write

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.miaixz.bus.extra.captcha.CaptchaProvider

type

Constructor Details

LineProvider

public LineProvider(int width,
 int height)

Constructor with default 5-character code and 150 interfering lines.

Parameters:

width - Image width.

height - Image height.

LineProvider

public LineProvider(int width,
 int height,
 int codeCount,
 int lineCount)

Constructor.

Parameters:

width - Image width.

height - Image height.

codeCount - Number of characters.

lineCount - Number of interfering lines.

LineProvider

public LineProvider(int width,
 int height,
 CodeStrategy generator,
 int interfereCount)

Constructor.

Parameters:

width - Image width.

height - Image height.

generator - CAPTCHA code generator.

interfereCount - Number of interfering elements.

LineProvider

public LineProvider(int width,
 int height,
 int codeCount,
 int interfereCount,
 float sizeBaseHeight)

Constructor.

Parameters:

width - Image width.

height - Image height.

codeCount - Number of characters.

interfereCount - Number of interfering elements.

sizeBaseHeight - Font size as a multiplier of the height.

Method Details

createImage

public Image createImage(String code)

Description copied from class: AbstractProvider

Creates the CAPTCHA image based on the generated code.

Specified by:

createImage in class AbstractProvider

Parameters:

code - The CAPTCHA code.

Returns:

The CAPTCHA image.