Package com.bytedesk.core.upload.watermark

Class WatermarkService

java.lang.Object

com.bytedesk.core.upload.watermark.WatermarkService

@Service
@ConditionalOnProperty(name="bytedesk.watermark.enabled",
                       havingValue="true",
                       matchIfMissing=false)
public class WatermarkService
extends Object

图片水印服务

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	WatermarkService.WatermarkPosition	水印位置枚举

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	DEFAULT_FONT_NAME	默认水印字体
private static final int	DEFAULT_FONT_SIZE	默认水印字体大小
private static final Color	DEFAULT_WATERMARK_COLOR	默认水印颜色

Constructor Summary

Constructors

Constructor	Description
WatermarkService()

Method Summary

Modifier and Type	Method	Description
byte[]	addImageWatermark(BufferedImage originalImage, BufferedImage watermarkImage, WatermarkService.WatermarkPosition position, float opacity)	给图片添加图片水印
byte[]	addTextWatermark(BufferedImage originalImage, String watermarkText, WatermarkService.WatermarkPosition position)	给图片添加文字水印
byte[]	addTextWatermark(BufferedImage originalImage, String watermarkText, WatermarkService.WatermarkPosition position, int fontSize, Color color)	给图片添加文字水印
boolean	addTextWatermarkToFile(org.springframework.web.multipart.MultipartFile file, Path destinationPath, String watermarkText, WatermarkService.WatermarkPosition position)	给MultipartFile添加文字水印并保存到指定路径
boolean	isImageFile(org.springframework.web.multipart.MultipartFile file)	检查文件是否为图片

Methods inherited from class java.lang.Object

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

Field Details

DEFAULT_FONT_NAME

private static final String DEFAULT_FONT_NAME

默认水印字体

See Also:

• Constant Field Values

DEFAULT_FONT_SIZE

private static final int DEFAULT_FONT_SIZE

默认水印字体大小

See Also:

• Constant Field Values

DEFAULT_WATERMARK_COLOR

private static final Color DEFAULT_WATERMARK_COLOR

默认水印颜色

Constructor Details

WatermarkService

public WatermarkService()

Method Details

addTextWatermark

public byte[] addTextWatermark(BufferedImage originalImage,
 String watermarkText,
 WatermarkService.WatermarkPosition position)

给图片添加文字水印

Parameters:

originalImage - 原始图片

watermarkText - 水印文字

position - 水印位置

Returns:

添加水印后的图片字节数组

addTextWatermark

public byte[] addTextWatermark(BufferedImage originalImage,
 String watermarkText,
 WatermarkService.WatermarkPosition position,
 int fontSize,
 Color color)

给图片添加文字水印

Parameters:

originalImage - 原始图片

watermarkText - 水印文字

position - 水印位置

fontSize - 字体大小

color - 水印颜色

Returns:

添加水印后的图片字节数组

addImageWatermark

public byte[] addImageWatermark(BufferedImage originalImage,
 BufferedImage watermarkImage,
 WatermarkService.WatermarkPosition position,
 float opacity)

给图片添加图片水印

Parameters:

originalImage - 原始图片

watermarkImage - 水印图片

position - 水印位置

opacity - 透明度 (0.0-1.0)

Returns:

添加水印后的图片字节数组

addTextWatermarkToFile

public boolean addTextWatermarkToFile(org.springframework.web.multipart.MultipartFile file,
 Path destinationPath,
 String watermarkText,
 WatermarkService.WatermarkPosition position)

给MultipartFile添加文字水印并保存到指定路径

Parameters:

file - 原始文件

destinationPath - 目标路径

watermarkText - 水印文字

position - 水印位置

Returns:

是否成功

isImageFile

public boolean isImageFile(org.springframework.web.multipart.MultipartFile file)

检查文件是否为图片

Parameters:

file - 文件

Returns:

是否为图片