PdfWatermarkHandler (org.easywatermark:easy-watermark 0.0.1 API)

java.lang.Object
- org.easywatermark.core.AbstractWatermarkHandler<org.apache.pdfbox.pdmodel.font.PDFont,List<org.apache.pdfbox.pdmodel.PDPageContentStream>>
- - org.easywatermark.core.handler.PdfWatermarkHandler

所有已实现的接口:

Closeable, AutoCloseable, EasyWatermarkHandler, FontMetrics, FontProvider, GraphicsProvider, WatermarkHandler
```
public class PdfWatermarkHandler
extends AbstractWatermarkHandler<org.apache.pdfbox.pdmodel.font.PDFont,List<org.apache.pdfbox.pdmodel.PDPageContentStream>>
```
Pdf watermark handler. The origin is in the lower left corner

作者:

zhangshukun

字段概要
- 从类继承的字段 org.easywatermark.core.AbstractWatermarkHandler
  customDraw, font, fontConfig, graphics, watermarkConfig, watermarkImage, watermarkText, watermarkTextList

构造器概要

构造器
构造器和说明

PdfWatermarkHandler(byte[] data, FontConfig fontConfig, WatermarkConfig watermarkConfig)

构造器
构造器和说明
`PdfWatermarkHandler(byte[] data, FontConfig fontConfig, WatermarkConfig watermarkConfig)`

方法概要

所有方法实例方法具体方法
限定符和类型	方法和说明
`void`	`close()`
`void`	`customDraw(CustomDraw customDraw)` Custom draw.
`void`	`drawCenterWatermark()` Draw center watermark.
`void`	`drawDiagonalWatermark()` Draw diagonal watermark.
`void`	`drawImage(float x, float y, byte[] data)` The upper left corner is the origin.
`void`	`drawMultiLineString(float x, float y, List<String> text)` The upper left corner is the origin.
`void`	`drawOverspreadWatermark()` Draw overspread watermark.
`void`	`drawString(float x, float y, String text)` The upper left corner is the origin.
`byte[]`	`export(EasyWatermarkTypeEnum watermarkType)` export handle data to byte array
`protected float`	`getFileHeight(int page)` get current height
`protected float`	`getFileWidth(int page)` get current width
`float`	`getStringHeight()` Get `text` height in the font.
`float`	`getStringWidth(String text)` Get `text` width in the font.
`protected float`	`getWatermarkImageHeight()` Get watermark image height.
`protected float`	`getWatermarkImageWidth()` Get watermark image width.
`protected void`	`initEnvironment()` init environment.
`protected void`	`initFont()` init font
`protected void`	`initGraphics()` init graphics
`void`	`loadFile(byte[] data)` Load file data.

从类继承的方法 org.easywatermark.core.AbstractWatermarkHandler
calcCenterWatermarkPoint, calcCenterWatermarkPoint, calcDistanceBetweenWatermarks, execute, getStringBox, getWatermarkBox, getWatermarkType, setCustomDraw, watermark, watermark, watermark

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 构造器详细资料
  - PdfWatermarkHandler
```
public PdfWatermarkHandler(byte[] data,
                           FontConfig fontConfig,
                           WatermarkConfig watermarkConfig)
```
- 方法详细资料
  - initGraphics
```
protected void initGraphics()
```
    从类复制的说明: AbstractWatermarkHandler
    
    init graphics
    
    指定者:
    
    initGraphics 在类中 AbstractWatermarkHandler<org.apache.pdfbox.pdmodel.font.PDFont,List<org.apache.pdfbox.pdmodel.PDPageContentStream>>
  - initFont
```
protected void initFont()
```
    从类复制的说明: AbstractWatermarkHandler
    
    init font
    
    指定者:
    
    initFont 在类中 AbstractWatermarkHandler<org.apache.pdfbox.pdmodel.font.PDFont,List<org.apache.pdfbox.pdmodel.PDPageContentStream>>
  - initEnvironment
```
protected void initEnvironment()
```
    从类复制的说明: AbstractWatermarkHandler
    
    init environment.
    
    指定者:
    
    initEnvironment 在类中 AbstractWatermarkHandler<org.apache.pdfbox.pdmodel.font.PDFont,List<org.apache.pdfbox.pdmodel.PDPageContentStream>>
  - getFileWidth
```
protected float getFileWidth(int page)
```
    从类复制的说明: AbstractWatermarkHandler
    
    get current width
    
    指定者:
    
    getFileWidth 在类中 AbstractWatermarkHandler<org.apache.pdfbox.pdmodel.font.PDFont,List<org.apache.pdfbox.pdmodel.PDPageContentStream>>
    
    参数:
    
    page - page
    
    返回:
    
    width
  - getFileHeight
```
protected float getFileHeight(int page)
```
    从类复制的说明: AbstractWatermarkHandler
    
    get current height
    
    指定者:
    
    getFileHeight 在类中 AbstractWatermarkHandler<org.apache.pdfbox.pdmodel.font.PDFont,List<org.apache.pdfbox.pdmodel.PDPageContentStream>>
    
    参数:
    
    page - page
    
    返回:
    
    height
  - getWatermarkImageWidth
```
protected float getWatermarkImageWidth()
```
    从类复制的说明: AbstractWatermarkHandler
    
    Get watermark image width.
    
    指定者:
    
    getWatermarkImageWidth 在类中 AbstractWatermarkHandler<org.apache.pdfbox.pdmodel.font.PDFont,List<org.apache.pdfbox.pdmodel.PDPageContentStream>>
    
    返回:
    
    watermark image width
  - getWatermarkImageHeight
```
protected float getWatermarkImageHeight()
```
    从类复制的说明: AbstractWatermarkHandler
    
    Get watermark image height.
    
    指定者:
    
    getWatermarkImageHeight 在类中 AbstractWatermarkHandler<org.apache.pdfbox.pdmodel.font.PDFont,List<org.apache.pdfbox.pdmodel.PDPageContentStream>>
    
    返回:
    
    watermark image height
  - customDraw
```
public void customDraw(CustomDraw customDraw)
```
    从接口复制的说明: EasyWatermarkHandler
    
    Custom draw.
    
    参数:
    
    customDraw - custom draw
  - drawCenterWatermark
```
public void drawCenterWatermark()
```
    从接口复制的说明: EasyWatermarkHandler
    
    Draw center watermark.
  - drawOverspreadWatermark
```
public void drawOverspreadWatermark()
```
    从接口复制的说明: EasyWatermarkHandler
    
    Draw overspread watermark.
  - drawDiagonalWatermark
```
public void drawDiagonalWatermark()
```
    从接口复制的说明: EasyWatermarkHandler
    
    Draw diagonal watermark.
  - export
```
public byte[] export(EasyWatermarkTypeEnum watermarkType)
```
    从类复制的说明: AbstractWatermarkHandler
    
    export handle data to byte array
    
    指定者:
    
    export 在类中 AbstractWatermarkHandler<org.apache.pdfbox.pdmodel.font.PDFont,List<org.apache.pdfbox.pdmodel.PDPageContentStream>>
    
    参数:
    
    watermarkType - watermark type
    
    返回:
    
    byte array
  - loadFile
```
public void loadFile(byte[] data)
```
    从接口复制的说明: WatermarkHandler
    
    Load file data.
    
    参数:
    
    data - file data
  - close
```
public void close()
           throws IOException
```
    抛出:
    
    IOException
  - getStringWidth
```
public float getStringWidth(String text)
```
    从接口复制的说明: FontMetrics
    
    Get text width in the font.
    
    参数:
    
    text - watermark text
    
    返回:
    
    text width
  - getStringHeight
```
public float getStringHeight()
```
    从接口复制的说明: FontMetrics
    
    Get text height in the font.
    
    返回:
    
    text height
  - drawString
```
public void drawString(float x,
                       float y,
                       String text)
```
    从接口复制的说明: GraphicsProvider
    
    The upper left corner is the origin. Draw text. x, y is text upper left corner coordinate.
    
    参数:
    
    x - x coordinate
    
    y - y coordinate
    
    text - text
  - drawMultiLineString
```
public void drawMultiLineString(float x,
                                float y,
                                List<String> text)
```
    从接口复制的说明: GraphicsProvider
    
    The upper left corner is the origin. Draw multi-line text. x, y is text upper left corner coordinate.
    
    参数:
    
    x - x coordinate
    
    y - y coordinate
    
    text - text
  - drawImage
```
public void drawImage(float x,
                      float y,
                      byte[] data)
```
    从接口复制的说明: GraphicsProvider
    
    The upper left corner is the origin. Draw image. x, y is text upper left corner coordinate.
    
    参数:
    
    x - x coordinate
    
    y - y coordinate
    
    data - image data

类 PdfWatermarkHandler

字段概要

从类继承的字段 org.easywatermark.core.AbstractWatermarkHandler

构造器概要

方法概要

从类继承的方法 org.easywatermark.core.AbstractWatermarkHandler

从类继承的方法 java.lang.Object

构造器详细资料

PdfWatermarkHandler

方法详细资料

initGraphics

initFont

initEnvironment

getFileWidth

getFileHeight

getWatermarkImageWidth

getWatermarkImageHeight

customDraw

drawCenterWatermark

drawOverspreadWatermark

drawDiagonalWatermark

export

loadFile

close

getStringWidth

getStringHeight

drawString

drawMultiLineString

drawImage