RenderListener

All Known Subinterfaces:

ExtRenderListener, TextExtractionStrategy

All Known Implementing Classes:

CompareTool.CmpMarkedContentRenderFilter, FilteredRenderListener, FilteredTextRenderListener, GlyphRenderListener, GlyphTextRenderListener, LocationTextExtractionStrategy, MultiFilteredRenderListener, PdfCleanUpRenderListener, SimpleTextExtractionStrategy, TextMarginFinder
```
public interface RenderListener
```
A callback interface that receives notifications from the PdfContentStreamProcessor as various render operations are required.
Important: This interface may be converted to an abstract base class in the future to allow for adding additional render calls as the content stream processor is enhanced

Since:

5.0

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`beginTextBlock()`	Called when a new text block is beginning (i.e.
`void`	`endTextBlock()`	Called when a text block has ended (i.e.
`void`	`renderImage(ImageRenderInfo renderInfo)`	Called when image should be rendered
`void`	`renderText(TextRenderInfo renderInfo)`	Called when text should be rendered

- Method Detail
  - beginTextBlock
```
void beginTextBlock()
```
    Called when a new text block is beginning (i.e. BT)
    
    Since:
    
    iText 5.0.1
  - renderText
```
void renderText(TextRenderInfo renderInfo)
```
    Called when text should be rendered
    
    Parameters:
    
    renderInfo - information specifying what to render
  - endTextBlock
```
void endTextBlock()
```
    Called when a text block has ended (i.e. ET)
    
    Since:
    
    iText 5.0.1
  - renderImage
```
void renderImage(ImageRenderInfo renderInfo)
```
    Called when image should be rendered
    
    Parameters:
    
    renderInfo - information specifying what to render
    
    Since:
    
    iText 5.0.1